diff options
177 files changed, 0 insertions, 36651 deletions
@@ -1,7 +1,5 @@ #!/bin/sh -x set -e -test -L old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs -rm old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs test -L tools/domain_builder/dom0_ops.h rm tools/domain_builder/dom0_ops.h (find -depth -type d -print | xargs -r rmdir 2>/dev/null) || true @@ -1,10 +1,5 @@ #!/bin/sh -x set -e -mkdir -p old -mkdir -p old/xenolinux-2.4.16-sparse -mkdir -p old/xenolinux-2.4.16-sparse/include -mkdir -p old/xenolinux-2.4.16-sparse/include/asm-xeno -ln -s ../../../xen-2.4.16/include/hypervisor-ifs old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs mkdir -p tools mkdir -p tools/domain_builder ln -s ../../xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h tools/domain_builder/dom0_ops.h @@ -1,181 +1,6 @@ 3ddb6b0bKlMz_dz-M59a1mkUa1lASw BitKeeper/etc/config 3ddb6b0buTaC5zg1_a8FoAR9FWi_mw BitKeeper/etc/ignore 3ddb79c9_hgSp-gsQm8HqWM_9W3B_A BitKeeper/etc/logging_ok -3ddb79bbYMXGmQTsr5BeGS_RuZ5f_w old/xenolinux-2.4.16-sparse/Makefile -3ddb79b7e0ssyz3Q1GoqjDds-x1PLQ old/xenolinux-2.4.16-sparse/arch/xeno/Makefile -3ddb79b7_rLvYZU3tOY6Wwuw_Sg3_w old/xenolinux-2.4.16-sparse/arch/xeno/boot/Makefile -3ddb79b8L4xnwrcvWk6nAbgKVbNkSA old/xenolinux-2.4.16-sparse/arch/xeno/config.in -3ddb79b7v_Be34as7_mlzFlw65hOjQ old/xenolinux-2.4.16-sparse/arch/xeno/defconfig -3ddb79b7KUvtx0knQJoRaBDZQeNidg old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/Makefile -3e4a8cb7JECr--r1ipnrkd7NKdbUqQ old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block.c -3e4a8cb7SLWsLTXQjv7ng6-3hL4pCA old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block_test.c -3ddb79b7LLVJBGynxHSOh9A9l97sug old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/Makefile -3ddb79b7UG2QiRAU-Wvc1Y_BLigu1Q old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/console.c -3ddb79b75eo4PRXkT6Th9popt_SJhg old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile -3e4a8cb79dT0F4q5T4GEqMj4CtAquQ old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c -3ddb79b7Xyaoep6U0kLvx6Kx7OauDw old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c -3df9ce13K7qSLBtHV-01QHPW62649Q old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c -3ddb79b7PulSkF9m3c7K5MkxHRf4hA old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h -3ddba759XOjcl_OF-52dOYq7sgMykQ old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c -3ddb79b7s7yYBioHidSkIoHtQxYmOw old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/Makefile -3ddb79b7CpLL98ScdpbKkVBktlbCtQ old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/network.c -3ddb79b7hqi9krq6h98lnpONHGzvEA old/xenolinux-2.4.16-sparse/arch/xeno/kernel/Makefile -3ddb79b7eyEv5bsN8EQkjIG0y11Q1A old/xenolinux-2.4.16-sparse/arch/xeno/kernel/entry.S -3ddb79b70XAg9bJwp0-DWHe0LtzlBw old/xenolinux-2.4.16-sparse/arch/xeno/kernel/head.S -3ddb79b7dDsKjU22VxQ-C5BMFaMUmw old/xenolinux-2.4.16-sparse/arch/xeno/kernel/hypervisor.c -3ddb79b7xzwEc8-lo1vu3BxB-gBURQ old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i386_ksyms.c -3ddb79b7i7pfPEcy_zjDfW9JHD305g old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i387.c -3ddb79b7Ti2i5ztQzM-w67zN-cJD8A old/xenolinux-2.4.16-sparse/arch/xeno/kernel/init_task.c -3ddb79b7MEQGMZrsF94atNJZ4-OGzA old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ioport.c -3ddb79b7DOz-Mz5jsjRd5W8jN0XbPw old/xenolinux-2.4.16-sparse/arch/xeno/kernel/irq.c -3ddb79b7bOAPk_YAUUsruhVGO2GOOg old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ldt.c -3ddb79b7qf2WK6vMKcmOLIeKN5GSjg old/xenolinux-2.4.16-sparse/arch/xeno/kernel/process.c -3ddb79b7HdaBR7yk_u51auihbr31aQ old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ptrace.c -3ddb79b7yJunvnrgWD2VTy6yot0PMg old/xenolinux-2.4.16-sparse/arch/xeno/kernel/semaphore.c -3ddb79b7BIitpVygiksiMBQYvh5Z2A old/xenolinux-2.4.16-sparse/arch/xeno/kernel/setup.c -3ddb79b7DTevmwhNla67jZxjBSIKFg old/xenolinux-2.4.16-sparse/arch/xeno/kernel/signal.c -3ddb79b76mCf-gZPR4KLjL8ktZ37GA old/xenolinux-2.4.16-sparse/arch/xeno/kernel/sys_i386.c -3ddb79b7xDsEKErRFeqcSm6eRrTEIg old/xenolinux-2.4.16-sparse/arch/xeno/kernel/time.c -3ddb79b7V4dv_KAQu4Msa2Ebhd0aKw old/xenolinux-2.4.16-sparse/arch/xeno/kernel/traps.c -3ddb79b8oUnwncDaZuRWF3-n3jPsIA old/xenolinux-2.4.16-sparse/arch/xeno/lib/Makefile -3ddb79b8BMxi8qW3_NT44SSd1uMD3Q old/xenolinux-2.4.16-sparse/arch/xeno/lib/checksum.S -3ddb79b8WcWel2g9zU9pBJb-yA8jBw old/xenolinux-2.4.16-sparse/arch/xeno/lib/dec_and_lock.c -3ddb79b8oxeiaIW6Au95OM0GlsMrMw old/xenolinux-2.4.16-sparse/arch/xeno/lib/delay.c -3ddb79b8XPasnRhvK-_6xYksf3S6qA old/xenolinux-2.4.16-sparse/arch/xeno/lib/getuser.S -3ddb79b8HFLUh8mwcl4X44ta-ny1KA old/xenolinux-2.4.16-sparse/arch/xeno/lib/iodebug.c -3ddb79b879qeoLlarHXvNIDEva6ssA old/xenolinux-2.4.16-sparse/arch/xeno/lib/memcpy.c -3ddb79b869CY_yr4HymV6k98pfpMgg old/xenolinux-2.4.16-sparse/arch/xeno/lib/mmx.c -3ddb79b8S77yf1--Qa4C0ZYmqKXCww old/xenolinux-2.4.16-sparse/arch/xeno/lib/old-checksum.c -3ddb79b8ffZ79cU2ZzfA2ekeo6pqeg old/xenolinux-2.4.16-sparse/arch/xeno/lib/strstr.c -3ddb79b82kQ5oIXpxq3TUmlgxsLzLg old/xenolinux-2.4.16-sparse/arch/xeno/lib/usercopy.c -3ddb79b8qdD_svLCCAja_oP2w4Tn8Q old/xenolinux-2.4.16-sparse/arch/xeno/mm/Makefile -3ddb79b8ukY8dsPYmR8eNk-aCzFPsQ old/xenolinux-2.4.16-sparse/arch/xeno/mm/extable.c -3ddb79b856Zta9b3s0bgUCGbG1blvQ old/xenolinux-2.4.16-sparse/arch/xeno/mm/fault.c -3df9ce13dZ6UGDjZbUeZfyH4Hy6aCA old/xenolinux-2.4.16-sparse/arch/xeno/mm/get_unmapped_area.c -3ddb79b85fpsKT8A9WYnuJg03b715g old/xenolinux-2.4.16-sparse/arch/xeno/mm/hypervisor.c -3ddb79b83Zj7Xn2QVhU4HeMuAC9FjA old/xenolinux-2.4.16-sparse/arch/xeno/mm/init.c -3df9ce13TRWIv0Mawm15zESP7jcT7A old/xenolinux-2.4.16-sparse/arch/xeno/mm/mmu_context.c -3ddb79b7aKdTkbr3u6aze8tVwGh_TQ old/xenolinux-2.4.16-sparse/arch/xeno/vmlinux.lds -3e4a8cb7lpFFwT1Iu9zXWc8Ew4klFA old/xenolinux-2.4.16-sparse/drivers/block/Config.in -3ddb79bbx682YH6vR2zbVOXwg73ULg old/xenolinux-2.4.16-sparse/drivers/block/ll_rw_blk.c -3ddb79bcJfHdwrPsjqgI33_OsGdVCg old/xenolinux-2.4.16-sparse/drivers/block/rd.c -3ddb79bcpVu-IbnqwQqpRqsEbLpsuw old/xenolinux-2.4.16-sparse/drivers/char/tty_io.c -3e15d5273gfR2fbcYe05kqBSAvCX_w old/xenolinux-2.4.16-sparse/fs/exec.c -3ddb79b8VFtfWSCrXKPN2K21zd_vtw old/xenolinux-2.4.16-sparse/include/asm-xeno/a.out.h -3ddb79b8Zzi13p3OAPV25QgiC3THAQ old/xenolinux-2.4.16-sparse/include/asm-xeno/apic.h -3ddb79baZDlsdV_m6C5CXnWMl15p1g old/xenolinux-2.4.16-sparse/include/asm-xeno/apicdef.h -3ddb79baZM88u4CnriVA8ZXBdnMNvg old/xenolinux-2.4.16-sparse/include/asm-xeno/atomic.h -3ddb79baYHyZsDCiXiq8Y8_XxHE-jQ old/xenolinux-2.4.16-sparse/include/asm-xeno/bitops.h -3ddb79b8vFGtGb6pg3GZFXSiwOZfcg old/xenolinux-2.4.16-sparse/include/asm-xeno/boot.h -3ddb79baW8tf6PiBQUF50QQM5nY9sw old/xenolinux-2.4.16-sparse/include/asm-xeno/bugs.h -3ddb79b80msOlzTZRoVudYdemzgOlA old/xenolinux-2.4.16-sparse/include/asm-xeno/byteorder.h -3ddb79b8brNSUEujnq8f_zr8kA-cUg old/xenolinux-2.4.16-sparse/include/asm-xeno/cache.h -3ddb79bayhr6C6prVhAYlFRChhf3wg old/xenolinux-2.4.16-sparse/include/asm-xeno/checksum.h -3ddb79b8RNUaDbpPjdVVwKAsbiTBKQ old/xenolinux-2.4.16-sparse/include/asm-xeno/cpufeature.h -3ddb79b8pJe4aNsUKkfHEoBT9Y-UMA old/xenolinux-2.4.16-sparse/include/asm-xeno/current.h -3ddb79b8KL7icUfxKRoWDIkHkLQ1kQ old/xenolinux-2.4.16-sparse/include/asm-xeno/debugreg.h -3ddb79baDUP_cRdFgqaH0rXUvMxx4A old/xenolinux-2.4.16-sparse/include/asm-xeno/delay.h -3ddb79b89CgBTFsS3joEJ1ZniSHEgA old/xenolinux-2.4.16-sparse/include/asm-xeno/desc.h -3ddb79ba6xyT4mJOYSp1Fg2l0ta93A old/xenolinux-2.4.16-sparse/include/asm-xeno/div64.h -3ddb79b80Z4ZUIqbD1Xu_t4OCuEHeQ old/xenolinux-2.4.16-sparse/include/asm-xeno/dma.h -3ddb79bac26NkKcPIEsfxETc5Snyag old/xenolinux-2.4.16-sparse/include/asm-xeno/elf.h -3ddb79ba722pCJ_g_xI8ebsE31IK-Q old/xenolinux-2.4.16-sparse/include/asm-xeno/errno.h -3ddb79b8vIpUpgaSNEneFkg5hYSvNg old/xenolinux-2.4.16-sparse/include/asm-xeno/fcntl.h -3e53dbfb9mmyM-y5NuBBTDJvQkDzjA old/xenolinux-2.4.16-sparse/include/asm-xeno/fixmap.h -3ddb79b8780YvqvK1g5KPIWzQ6P15w old/xenolinux-2.4.16-sparse/include/asm-xeno/floppy.h -3ddb79bas-nFywnmilbUeT34PEAA0g old/xenolinux-2.4.16-sparse/include/asm-xeno/hardirq.h -3ddb79batzR40ZFY9dvgs5f1aM9I6g old/xenolinux-2.4.16-sparse/include/asm-xeno/hdreg.h -3ddb79b90xBgbeYgCcImS2ZxJakxBA old/xenolinux-2.4.16-sparse/include/asm-xeno/highmem.h -3ddb79baXLZV3dUKQI2gIYpAy67RuA old/xenolinux-2.4.16-sparse/include/asm-xeno/hw_irq.h -3e00b957iYsdTI1x6THRwMoWSPIW2Q old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs -3ddb79bapQ9Z9ewa5O1pqAVaNBTazg old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor.h -3ddb79baL-pjPI8hg5xjPgd4__SlOA old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h -3ddb79ba66TwvG7HpbBo04fRhmj3KQ old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h -3ddb79bahFfCuRcmd9kBYA-CuGtCSg old/xenolinux-2.4.16-sparse/include/asm-xeno/init.h -3ddb79ba3wnwflaNW6QheYvxoj5S8Q old/xenolinux-2.4.16-sparse/include/asm-xeno/io.h -3ddb79ba1MhHpElCXFlijej2zWVk4g old/xenolinux-2.4.16-sparse/include/asm-xeno/io_apic.h -3ddb79baiyfcZN9rJwhq0UeFjI6GkQ old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctl.h -3ddb79badReKYSok3yHShb4jg0vA-A old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctls.h -3ddb79b9iuIxteTXg8_myIsrWF5uxg old/xenolinux-2.4.16-sparse/include/asm-xeno/ipc.h -3ddb79baw5Dxo78880UMSanDV70WdA old/xenolinux-2.4.16-sparse/include/asm-xeno/ipcbuf.h -3ddb79ban9FUBuEaznRZvPfry3xnHQ old/xenolinux-2.4.16-sparse/include/asm-xeno/irq.h -3ddb79banJ5r-mqE7LZ8nPGTADaGBA old/xenolinux-2.4.16-sparse/include/asm-xeno/kdb.h -3ddb79baoaoHGTW0oiBXFPUg4KWydw old/xenolinux-2.4.16-sparse/include/asm-xeno/kdbprivate.h -3ddb79bam2K6c7tS2HX6jis2Bqx71w old/xenolinux-2.4.16-sparse/include/asm-xeno/keyboard.h -3ddb79baQ8gGrZm2Jlo3I1ntD0H5HA old/xenolinux-2.4.16-sparse/include/asm-xeno/kmap_types.h -3ddb79b9MeQEYrafy-Mx9OoeVFM_uw old/xenolinux-2.4.16-sparse/include/asm-xeno/ldt.h -3ddb79baAsy5W-cJ9ML_w9chqqUh4A old/xenolinux-2.4.16-sparse/include/asm-xeno/linux_logo.h -3ddb79b9uhsumPVE0wGgarfIkYDSFA old/xenolinux-2.4.16-sparse/include/asm-xeno/locks.h -3ddb79b954ISbF9e68hB0WTulCJRgg old/xenolinux-2.4.16-sparse/include/asm-xeno/math_emu.h -3ddb79b9EZDlC6RGn_y0OYr0nyQWlw old/xenolinux-2.4.16-sparse/include/asm-xeno/mc146818rtc.h -3ddb79b9M6pTF4maDgh8TYbg_HHUbw old/xenolinux-2.4.16-sparse/include/asm-xeno/mca_dma.h -3ddb79baA7dlps8FkicOUEXKEQuQsA old/xenolinux-2.4.16-sparse/include/asm-xeno/mman.h -3ddb79baKfF36-eRvkxnEvMRQRai-w old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu.h -3ddb79baQyKbT5U4EmZNePY9Txp-tA old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu_context.h -3ddb79bberC3Ghs4vy-06Pu-LSiWtw old/xenolinux-2.4.16-sparse/include/asm-xeno/mmx.h -3ddb79bbsJLF10xQcKDoV8f_7gcOXg old/xenolinux-2.4.16-sparse/include/asm-xeno/module.h -3ddb79bbY5RffJ8_F1oC4VI7q3Eejg 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old/xenolinux-2.4.16-sparse/include/asm-xeno/sembuf.h -3ddb79bb2UTDgfwju2J3weDXemw3LA old/xenolinux-2.4.16-sparse/include/asm-xeno/serial.h -3ddb79bbAPFyA_n4dNVCRoee8obOKA old/xenolinux-2.4.16-sparse/include/asm-xeno/setup.h -3ddb79b9XTOB5DwWBGzPLLR4rNEkDQ old/xenolinux-2.4.16-sparse/include/asm-xeno/shmbuf.h -3ddb79b9-_jDlAj3qVZe4opi3zectQ old/xenolinux-2.4.16-sparse/include/asm-xeno/shmparam.h -3ddb79b9AW75ErwlTRX4McxO15sEaQ old/xenolinux-2.4.16-sparse/include/asm-xeno/sigcontext.h -3ddb79b9NBJW-KAI3mgveUCr7sIOwA old/xenolinux-2.4.16-sparse/include/asm-xeno/siginfo.h -3ddb79bbj0i8tUVNMKtZVrLJqv3Nsw old/xenolinux-2.4.16-sparse/include/asm-xeno/signal.h -3ddb79bbfAmpotdy-No2dwGez2fnIg old/xenolinux-2.4.16-sparse/include/asm-xeno/smp.h -3ddb79b9pDERXiqSumFWMTFJ1X9xIw old/xenolinux-2.4.16-sparse/include/asm-xeno/smplock.h -3ddb79bbuCOIWTlWEHgOTexEBbdDow old/xenolinux-2.4.16-sparse/include/asm-xeno/socket.h -3ddb79b9ExeUznVBlSn1e2nvOCrJ4A old/xenolinux-2.4.16-sparse/include/asm-xeno/sockios.h -3ddb79b9kL3xvucBb-Gmg4_vo-99vw old/xenolinux-2.4.16-sparse/include/asm-xeno/softirq.h -3ddb79b9rJ8AfSzGzA0arI8mazYLlQ old/xenolinux-2.4.16-sparse/include/asm-xeno/spinlock.h -3ddb79bbXaA_zUHNPkAKRNz1h0gIJw old/xenolinux-2.4.16-sparse/include/asm-xeno/stat.h -3ddb79b9G004IlCplrjWgF1aXbp8dA old/xenolinux-2.4.16-sparse/include/asm-xeno/statfs.h -3ddb79bbRsy3GlCFrQEbVMVp--xlwQ old/xenolinux-2.4.16-sparse/include/asm-xeno/string-486.h -3ddb79bb4xug4cDph6ODLQFQIan_sg old/xenolinux-2.4.16-sparse/include/asm-xeno/string.h -3ddb79b9JhjJtJUO3g5LmrHPkdxgKg old/xenolinux-2.4.16-sparse/include/asm-xeno/system.h -3ddb79b9tbjCU9zSbqKbbv4m8tijlg old/xenolinux-2.4.16-sparse/include/asm-xeno/termbits.h -3ddb79bbi0mW10tH4xX1_KHXKM_xPg old/xenolinux-2.4.16-sparse/include/asm-xeno/termios.h -3ddb79b9JuR1VvNzlkyMlA-Dnlmy9Q old/xenolinux-2.4.16-sparse/include/asm-xeno/timex.h -3ddb79b9Bofq-p3sCTF0ELVuf_iBYA old/xenolinux-2.4.16-sparse/include/asm-xeno/tlb.h -3ddb79b9tpBUqS8-S6euSqyk2hFkKg old/xenolinux-2.4.16-sparse/include/asm-xeno/types.h -3ddb79bb5bkAaEzD7pdqQZdWyA_0eQ old/xenolinux-2.4.16-sparse/include/asm-xeno/uaccess.h -3ddb79bbiDIz1dxgFixHKyGuqRqfDQ old/xenolinux-2.4.16-sparse/include/asm-xeno/ucontext.h -3ddb79ba_Smn-GiYtr5ZTMaZXn-AHg old/xenolinux-2.4.16-sparse/include/asm-xeno/unaligned.h -3ddb79bb3cMSs_k2X5Oq2hOIBvmPYA old/xenolinux-2.4.16-sparse/include/asm-xeno/unistd.h -3ddb79ba2qYtIQAT_-vCFkkZUXu_UQ old/xenolinux-2.4.16-sparse/include/asm-xeno/user.h -3ddb79bbqhb9X9qWOz5Bv4wOzrkITg old/xenolinux-2.4.16-sparse/include/asm-xeno/vga.h -3ddb79bbA52x94o6uwDYsbzrH2hjzA old/xenolinux-2.4.16-sparse/include/asm-xeno/xor.h -3e4a8cb7ON8EclY3NN3YPXyMT941hA old/xenolinux-2.4.16-sparse/include/linux/blk.h -3e4a8cb7GJrKD0z7EF0VZOhdEa01Mw old/xenolinux-2.4.16-sparse/include/linux/major.h -3ddb79bb_7YG4U75ZmEic9YXWTW7Vw old/xenolinux-2.4.16-sparse/include/linux/sunrpc/debug.h -3e4a8cb7j05wwb1uPZgY16s68o7qAw old/xenolinux-2.4.16-sparse/init/main.c -3ddb79bcxkVPfWlZ1PQKvDrfArzOVw old/xenolinux-2.4.16-sparse/kernel/panic.c -3ddb79bbP31im-mx2NbfthSeqty1Dg old/xenolinux-2.4.16-sparse/mk -3e15d52e0_j129JPvo7xfYGndVFpwQ old/xenolinux-2.4.16-sparse/mm/memory.c -3e15d535DLvpzTrLRUIerB69LpJD1g old/xenolinux-2.4.16-sparse/mm/mremap.c -3e15d531m1Y1_W8ki64AFOU_ua4C4w old/xenolinux-2.4.16-sparse/mm/swapfile.c 3e6377b24eQqYMsDi9XrFkIgTzZ47A tools/balloon/Makefile 3e6377d6eiFjF1hHIS6JEIOFk62xSA tools/balloon/README 3e6377dbGcgnisKw16DPCaND7oGO3Q tools/balloon/balloon.c diff --git a/old/xenolinux-2.4.16-sparse/Makefile b/old/xenolinux-2.4.16-sparse/Makefile deleted file mode 100644 index fc6d0a21f9..0000000000 --- a/old/xenolinux-2.4.16-sparse/Makefile +++ /dev/null @@ -1,583 +0,0 @@ -VERSION = 2 -PATCHLEVEL = 4 -SUBLEVEL = 16 -EXTRAVERSION = -kdb-xeno - -KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) - -HW_ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/) -ifndef ARCH -ARCH := $(HW_ARCH) -endif - -ARCH=xeno - -KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//") - -CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ - else if [ -x /bin/bash ]; then echo /bin/bash; \ - else echo sh; fi ; fi) -TOPDIR := $(shell /bin/pwd) - -HPATH = $(TOPDIR)/include -FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net - -HOSTCC = gcc -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer - -CROSS_COMPILE = - -# -# Include the make variables (CC, etc...) -# - -AS = $(CROSS_COMPILE)as -LD = $(CROSS_COMPILE)ld -CC = $(CROSS_COMPILE)gcc -CPP = $(CC) -E -AR = $(CROSS_COMPILE)ar -NM = $(CROSS_COMPILE)nm -STRIP = $(CROSS_COMPILE)strip -OBJCOPY = $(CROSS_COMPILE)objcopy -OBJDUMP = $(CROSS_COMPILE)objdump -MAKEFILES = $(TOPDIR)/.config -GENKSYMS = /sbin/genksyms -DEPMOD = /sbin/depmod -KALLSYMS = /sbin/kallsyms -MODFLAGS = -DMODULE -CFLAGS_KERNEL = -PERL = perl -AWK = awk -TMPPREFIX = - -export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \ - CONFIG_SHELL TOPDIR HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \ - CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS MODFLAGS PERL AWK - -all: do-it-all - -# -# Make "config" the default target if there is no configuration file or -# "depend" the target if there is no top-level dependency information. -# - -ifeq (.config,$(wildcard .config)) -include .config -ifeq (.depend,$(wildcard .depend)) -include .depend -do-it-all: Version vmlinux -else -CONFIGURATION = depend -do-it-all: depend -endif -else -CONFIGURATION = config -do-it-all: config -endif - -# -# INSTALL_PATH specifies where to place the updated kernel and system map -# images. Uncomment if you want to place them anywhere other than root. -# - -#export INSTALL_PATH=/boot - -# -# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory -# relocations required by build roots. This is not defined in the -# makefile but the arguement can be passed to make if needed. -# - -MODLIB := $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) -export MODLIB - -# -# standard CFLAGS -# - -CPPFLAGS := -D__KERNEL__ -I$(HPATH) -CPPFLAGS += $(patsubst %,-I%,$(CROSS_COMPILE_INC)) - -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ - -fno-strict-aliasing -fno-common -ifndef CONFIG_FRAME_POINTER -CFLAGS += -fomit-frame-pointer -endif -AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) - -# -# ROOT_DEV specifies the default root-device when making the image. -# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case -# the default of FLOPPY is used by 'build'. -# This is i386 specific. -# - -export ROOT_DEV = CURRENT - -# -# If you want to preset the SVGA mode, uncomment the next line and -# set SVGA_MODE to whatever number you want. -# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. -# The number is the same as you would ordinarily press at bootup. -# This is i386 specific. -# - -export SVGA_MODE = -DSVGA_MODE=NORMAL_VGA - -# -# If you want the RAM disk device, define this to be the size in blocks. -# This is i386 specific. -# - -#export RAMDISK = -DRAMDISK=512 - -CORE_FILES =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o -NETWORKS =net/network.o - -LIBS =$(TOPDIR)/lib/lib.a -SUBDIRS =kernel drivers mm fs net ipc lib - -ifeq ($(CONFIG_KDB),y) -CORE_FILES += kdb/kdb.o -SUBDIRS += kdb -endif - -DRIVERS-n := -DRIVERS-y := -DRIVERS-m := -DRIVERS- := - -DRIVERS-$(CONFIG_ACPI) += drivers/acpi/acpi.o -DRIVERS-$(CONFIG_PARPORT) += drivers/parport/driver.o -DRIVERS-y += drivers/char/char.o \ - drivers/block/block.o \ - drivers/misc/misc.o \ - drivers/net/net.o \ - drivers/media/media.o -DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o -DRIVERS-$(CONFIG_DRM) += drivers/char/drm/drm.o -DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a -DRIVERS-$(CONFIG_ISDN) += drivers/isdn/isdn.a -DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.o -DRIVERS-$(CONFIG_APPLETALK) += drivers/net/appletalk/appletalk.o -DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.o -DRIVERS-$(CONFIG_WAN) += drivers/net/wan/wan.o -DRIVERS-$(CONFIG_ARCNET) += drivers/net/arcnet/arcnetdrv.o -DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o -DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o -DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a -DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsidrv.o -DRIVERS-$(CONFIG_FUSION_BOOT) += drivers/message/fusion/fusion.o -DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394drv.o - -ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),) -DRIVERS-y += drivers/cdrom/driver.o -endif - -DRIVERS-$(CONFIG_SOUND) += drivers/sound/sounddrivers.o -DRIVERS-$(CONFIG_PCI) += drivers/pci/driver.o -DRIVERS-$(CONFIG_MTD) += drivers/mtd/mtdlink.o -DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o -DRIVERS-$(CONFIG_NET_PCMCIA) += drivers/net/pcmcia/pcmcia_net.o -DRIVERS-$(CONFIG_NET_WIRELESS) += drivers/net/wireless/wireless_net.o -DRIVERS-$(CONFIG_PCMCIA_CHRDEV) += drivers/char/pcmcia/pcmcia_char.o -DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a -DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus_all.o -DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/driver.o -DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a -DRIVERS-$(CONFIG_ALL_PPC) += drivers/macintosh/macintosh.o -DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.o -DRIVERS-$(CONFIG_ISAPNP) += drivers/pnp/pnp.o -DRIVERS-$(CONFIG_SGI_IP22) += drivers/sgi/sgi.a -DRIVERS-$(CONFIG_VT) += drivers/video/video.o -DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a -DRIVERS-$(CONFIG_HAMRADIO) += drivers/net/hamradio/hamradio.o -DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a -DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o -DRIVERS-$(CONFIG_INPUT) += drivers/input/inputdrv.o -DRIVERS-$(CONFIG_I2O) += drivers/message/i2o/i2o.o -DRIVERS-$(CONFIG_IRDA) += drivers/net/irda/irda.o -DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.o -DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.o -DRIVERS-$(CONFIG_MD) += drivers/md/mddev.o -DRIVERS-$(CONFIG_BLUEZ) += drivers/bluetooth/bluetooth.o -DRIVERS-$(CONFIG_HOTPLUG_PCI) += drivers/hotplug/vmlinux-obj.o - -DRIVERS := $(DRIVERS-y) - - -# files removed with 'make clean' -CLEAN_FILES = \ - kernel/ksyms.lst include/linux/compile.h \ - vmlinux System.map \ - $(TMPPREFIX).tmp* \ - drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c \ - drivers/char/conmakehash \ - drivers/char/drm/*-mod.c \ - drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist \ - drivers/zorro/devlist.h drivers/zorro/gen-devlist \ - drivers/sound/bin2hex drivers/sound/hex2hex \ - drivers/atm/fore200e_mkfirm drivers/atm/{pca,sba}*{.bin,.bin1,.bin2} \ - drivers/scsi/aic7xxx/aicasm/aicasm_gram.c \ - drivers/scsi/aic7xxx/aicasm/aicasm_scan.c \ - drivers/scsi/aic7xxx/aicasm/y.tab.h \ - drivers/scsi/aic7xxx/aicasm/aicasm \ - drivers/scsi/53c700-mem.c \ - net/khttpd/make_times_h \ - net/khttpd/times.h \ - submenu* -# directories removed with 'make clean' -CLEAN_DIRS = \ - modules - -# files removed with 'make mrproper' -MRPROPER_FILES = \ - include/linux/autoconf.h include/linux/version.h \ - drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h \ - drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h \ - drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h \ - drivers/net/hamradio/soundmodem/gentbl \ - drivers/sound/*_boot.h drivers/sound/.*.boot \ - drivers/sound/msndinit.c \ - drivers/sound/msndperm.c \ - drivers/sound/pndsperm.c \ - drivers/sound/pndspini.c \ - drivers/atm/fore200e_*_fw.c drivers/atm/.fore200e_*.fw \ - .version .config* config.in config.old \ - scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp \ - scripts/lxdialog/*.o scripts/lxdialog/lxdialog \ - .menuconfig.log \ - include/asm \ - kdb/gen-kdb_cmds.c \ - .hdepend scripts/mkdep scripts/split-include scripts/docproc \ - $(TOPDIR)/include/linux/modversions.h \ - kernel.spec - -# directories removed with 'make mrproper' -MRPROPER_DIRS = \ - include/config \ - $(TOPDIR)/include/linux/modules - - -include arch/$(ARCH)/Makefile - -export CPPFLAGS CFLAGS CFLAGS_KERNEL AFLAGS AFLAGS_KERNEL - -export NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS - -.S.s: - $(CPP) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -o $*.s $< -.S.o: - $(CC) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -c -o $*.o $< - -Version: dummy - @rm -f include/linux/compile.h - -boot: vmlinux - @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C arch/$(ARCH)/boot - -LD_VMLINUX := $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \ - --start-group \ - $(CORE_FILES) \ - $(DRIVERS) \ - $(NETWORKS) \ - $(LIBS) \ - --end-group -ifeq ($(CONFIG_KALLSYMS),y) -LD_VMLINUX_KALLSYMS := $(TMPPREFIX).tmp_kallsyms3.o -else -LD_VMLINUX_KALLSYMS := -endif - -vmlinux: include/linux/version.h $(CONFIGURATION) init/main.o init/version.o linuxsubdirs - @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" kallsyms - -.PHONY: kallsyms - -kallsyms: -ifeq ($(CONFIG_KALLSYMS),y) - @echo kallsyms pass 1 - $(LD_VMLINUX) -o $(TMPPREFIX).tmp_vmlinux1 - @$(KALLSYMS) $(TMPPREFIX).tmp_vmlinux1 > $(TMPPREFIX).tmp_kallsyms1.o - @echo kallsyms pass 2 - @$(LD_VMLINUX) $(TMPPREFIX).tmp_kallsyms1.o -o $(TMPPREFIX).tmp_vmlinux2 - @$(KALLSYMS) $(TMPPREFIX).tmp_vmlinux2 > $(TMPPREFIX).tmp_kallsyms2.o - @echo kallsyms pass 3 - @$(LD_VMLINUX) $(TMPPREFIX).tmp_kallsyms2.o -o $(TMPPREFIX).tmp_vmlinux3 - @$(KALLSYMS) $(TMPPREFIX).tmp_vmlinux3 > $(TMPPREFIX).tmp_kallsyms3.o -endif - $(LD_VMLINUX) $(LD_VMLINUX_KALLSYMS) -o $(TMPPREFIX)vmlinux -ifneq ($(TMPPREFIX),) - mv $(TMPPREFIX)vmlinux vmlinux -endif - $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map - @rm -f $(TMPPREFIX).tmp_vmlinux* $(TMPPREFIX).tmp_kallsyms* - -symlinks: - rm -f include/asm - ( cd include ; ln -sf asm-$(ARCH) asm) - @if [ ! -d include/linux/modules ]; then \ - mkdir include/linux/modules; \ - fi - -oldconfig: symlinks - $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in - -xconfig: symlinks - $(MAKE) -C scripts kconfig.tk - wish -f scripts/kconfig.tk - -menuconfig: include/linux/version.h symlinks - $(MAKE) -C scripts/lxdialog all - $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in - -config: symlinks - $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in - -include/config/MARKER: scripts/split-include include/linux/autoconf.h - scripts/split-include include/linux/autoconf.h include/config - @ touch include/config/MARKER - -linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS)) - -$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/linux/version.h include/config/MARKER - $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C $(patsubst _dir_%, %, $@) - -$(TOPDIR)/include/linux/version.h: include/linux/version.h -$(TOPDIR)/include/linux/compile.h: include/linux/compile.h - -newversion: - . scripts/mkversion > .tmpversion - @mv -f .tmpversion .version - -include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion - @echo -n \#define UTS_VERSION \"\#`cat .version` > .ver - @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver; fi - @if [ -f .name ]; then echo -n \-`cat .name` >> .ver; fi - @echo ' '`date`'"' >> .ver - @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver - @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver - @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver - @if [ -x /bin/dnsdomainname ]; then \ - echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \ - elif [ -x /bin/domainname ]; then \ - echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \ - else \ - echo \#define LINUX_COMPILE_DOMAIN ; \ - fi >> .ver - @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver - @mv -f .ver $@ - -include/linux/version.h: ./Makefile - @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver - @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver - @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver - @mv -f .ver $@ - -init/version.o: init/version.c include/linux/compile.h include/config/MARKER - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) -DUTS_MACHINE='"$(HW_ARCH)"' -c -o init/version.o init/version.c - -init/main.o: init/main.c include/config/MARKER - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -c -o $*.o $< - -fs lib mm ipc kernel drivers net: dummy - $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@) - -TAGS: dummy - etags `find include/asm-$(ARCH) -name '*.h'` - find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs etags -a - find $(SUBDIRS) init -name '*.[ch]' | xargs etags -a - -# Exuberant ctags works better with -I -tags: dummy - CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \ - ctags $$CTAGSF `find include/asm-$(ARCH) -name '*.h'` && \ - find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs ctags $$CTAGSF -a && \ - find $(SUBDIRS) init -name '*.[ch]' | xargs ctags $$CTAGSF -a - -ifdef CONFIG_MODULES -ifdef CONFIG_MODVERSIONS -MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h -endif - -.PHONY: modules -modules: $(patsubst %, _mod_%, $(SUBDIRS)) - -.PHONY: $(patsubst %, _mod_%, $(SUBDIRS)) -$(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER - $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules - -.PHONY: modules_install -modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post - -.PHONY: _modinst_ -_modinst_: - @rm -rf $(MODLIB)/kernel - @rm -f $(MODLIB)/build - @mkdir -p $(MODLIB)/kernel - @ln -s $(TOPDIR) $(MODLIB)/build - -# If System.map exists, run depmod. This deliberately does not have a -# dependency on System.map since that would run the dependency tree on -# vmlinux. This depmod is only for convenience to give the initial -# boot a modules.dep even before / is mounted read-write. However the -# boot script depmod is the master version. -ifeq "$(strip $(INSTALL_MOD_PATH))" "" -depmod_opts := -else -depmod_opts := -b $(INSTALL_MOD_PATH) -r -endif -.PHONY: _modinst_post -_modinst_post: _modinst_post_pcmcia -# if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi - -# Backwards compatibilty symlinks for people still using old versions -# of pcmcia-cs with hard coded pathnames on insmod. Remove -# _modinst_post_pcmcia for kernel 2.4.1. -.PHONY: _modinst_post_pcmcia -_modinst_post_pcmcia: - cd $(MODLIB); \ - mkdir -p pcmcia; \ - find kernel -path '*/pcmcia/*' -name '*.o' | xargs -i -r ln -sf ../{} pcmcia - -.PHONY: $(patsubst %, _modinst_%, $(SUBDIRS)) -$(patsubst %, _modinst_%, $(SUBDIRS)) : - $(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install - -# modules disabled.... - -else -modules modules_install: dummy - @echo - @echo "The present kernel configuration has modules disabled." - @echo "Type 'make config' and enable loadable module support." - @echo "Then build a kernel with module support enabled." - @echo - @exit 1 -endif - -clean: archclean - find . \( -name '*.[oas]' -o -name core -o -name '.*.flags' \) -type f -print \ - | grep -v lxdialog/ | xargs rm -f - rm -f $(CLEAN_FILES) - rm -rf $(CLEAN_DIRS) - $(MAKE) -C Documentation/DocBook clean - -mrproper: clean archmrproper - find . \( -size 0 -o -name .depend \) -type f -print | xargs rm -f - rm -f $(MRPROPER_FILES) - rm -rf $(MRPROPER_DIRS) - $(MAKE) -C Documentation/DocBook mrproper - -distclean: mrproper - rm -f core `find . \( -not -type d \) -and \ - \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ - -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -type f -print` TAGS tags - -backup: mrproper - cd .. && tar cf - linux/ | gzip -9 > backup.gz - sync - -sgmldocs: - chmod 755 $(TOPDIR)/scripts/docgen - chmod 755 $(TOPDIR)/scripts/gen-all-syms - chmod 755 $(TOPDIR)/scripts/kernel-doc - $(MAKE) -C $(TOPDIR)/Documentation/DocBook books - -psdocs: sgmldocs - $(MAKE) -C Documentation/DocBook ps - -pdfdocs: sgmldocs - $(MAKE) -C Documentation/DocBook pdf - -htmldocs: sgmldocs - $(MAKE) -C Documentation/DocBook html - -sums: - find . -type f -print | sort | xargs sum > .SUMS - -dep-files: scripts/mkdep archdep include/linux/version.h - scripts/mkdep -- init/*.c > .depend - scripts/mkdep -- `find $(FINDHPATH) -name SCCS -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend - $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" -ifdef CONFIG_MODVERSIONS - $(MAKE) update-modverfile -endif - -ifdef CONFIG_MODVERSIONS -MODVERFILE := $(TOPDIR)/include/linux/modversions.h -else -MODVERFILE := -endif -export MODVERFILE - -depend dep: dep-files - -checkconfig: - find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkconfig.pl - -checkhelp: - find * -name [cC]onfig.in -print | sort | xargs $(PERL) -w scripts/checkhelp.pl - -checkincludes: - find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkincludes.pl - -ifdef CONFIGURATION -..$(CONFIGURATION): - @echo - @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'" - @echo - $(MAKE) $(CONFIGURATION) - @echo - @echo "Successful. Try re-making (ignore the error that follows)" - @echo - exit 1 - -#dummy: ..$(CONFIGURATION) -dummy: - -else - -dummy: - -endif - -include Rules.make - -# -# This generates dependencies for the .h files. -# - -scripts/mkdep: scripts/mkdep.c - $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c - -scripts/split-include: scripts/split-include.c - $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c - -# -# RPM target -# -# If you do a make spec before packing the tarball you can rpm -ta it -# -spec: - . scripts/mkspec >kernel.spec - -# -# Build a tar ball, generate an rpm from it and pack the result -# There arw two bits of magic here -# 1) The use of /. to avoid tar packing just the symlink -# 2) Removing the .dep files as they have source paths in them that -# will become invalid -# -rpm: clean spec - find . \( -size 0 -o -name .depend -o -name .hdepend \) -type f -print | xargs rm -f - set -e; \ - cd $(TOPDIR)/.. ; \ - ln -sf $(TOPDIR) $(KERNELPATH) ; \ - tar -cvz --exclude CVS -f $(KERNELPATH).tar.gz $(KERNELPATH)/. ; \ - rm $(KERNELPATH) ; \ - cd $(TOPDIR) ; \ - . scripts/mkversion > .version ; \ - rpm -ta $(TOPDIR)/../$(KERNELPATH).tar.gz ; \ - rm $(TOPDIR)/../$(KERNELPATH).tar.gz diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/Makefile deleted file mode 100644 index ffc378eda9..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/Makefile +++ /dev/null @@ -1,98 +0,0 @@ -# -# xeno/Makefile -# -# This file is included by the global makefile so that you can add your own -# architecture-specific flags and dependencies. Remember to do have actions -# for "archclean" and "archdep" for cleaning up and making dependencies for -# this architecture -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# -# Copyright (C) 1994 by Linus Torvalds -# -# 19990713 Artur Skawina <skawina@geocities.com> -# Added '-march' and '-mpreferred-stack-boundary' support -# - -LD=$(CROSS_COMPILE)ld -m elf_i386 -OBJCOPY=$(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S -LDFLAGS=-e stext -LINKFLAGS =-T $(TOPDIR)/arch/xeno/vmlinux.lds $(LDFLAGS) - -CFLAGS += -pipe - -# prevent gcc from keeping the stack 16 byte aligned -CFLAGS += $(shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi) - -ifdef CONFIG_M686 -CFLAGS += -march=i686 -endif - -ifdef CONFIG_MPENTIUMIII -CFLAGS += -march=i686 -endif - -ifdef CONFIG_MPENTIUM4 -CFLAGS += -march=i686 -endif - -ifdef CONFIG_MK7 -CFLAGS += $(shell if $(CC) -march=athlon -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=athlon"; else echo "-march=i686 -malign-functions=4"; fi) -endif - -HEAD := arch/xeno/kernel/head.o arch/xeno/kernel/init_task.o - -SUBDIRS += arch/xeno/kernel arch/xeno/mm arch/xeno/lib -SUBDIRS += arch/xeno/drivers/console arch/xeno/drivers/network -SUBDIRS += arch/xeno/drivers/dom0 arch/xeno/drivers/block - -CORE_FILES += arch/xeno/kernel/kernel.o arch/xeno/mm/mm.o -CORE_FILES += arch/xeno/drivers/console/con.o -CORE_FILES += arch/xeno/drivers/block/blk.o -CORE_FILES += arch/xeno/drivers/network/net.o -CORE_FILES += arch/xeno/drivers/dom0/dom0.o -LIBS := $(TOPDIR)/arch/xeno/lib/lib.a $(LIBS) $(TOPDIR)/arch/xeno/lib/lib.a - -arch/xeno/kernel: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/kernel - -arch/xeno/mm: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/mm - -arch/xeno/drivers/console: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/console - -arch/xeno/drivers/network: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/network - -arch/xeno/drivers/block: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/block - -arch/xeno/drivers/dom0: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/dom0 - -ifdef CONFIG_KDB -arch/xeno/kdb: dummy - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/kdb -endif - -MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot - -vmlinux: arch/xeno/vmlinux.lds - -FORCE: ; - -.PHONY: bzImage compressed clean archclean archmrproper archdep - -bzImage: vmlinux - @$(MAKEBOOT) image.gz - -archclean: - @$(MAKEBOOT) clean - -archmrproper: - -archdep: - @$(MAKEBOOT) dep diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/boot/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/boot/Makefile deleted file mode 100644 index 252daf50bf..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/boot/Makefile +++ /dev/null @@ -1,22 +0,0 @@ -# -# arch/xeno/boot/Makefile -# - -image.gz: image - gzip -f -9 < $< > $@ - -image: $(TOPDIR)/vmlinux - # Guest OS header -- first 8 bytes are identifier 'XenoGues'. - echo -e -n 'XenoGues' >$@ - # Guest OS header -- next 4 bytes are load address (0xC0000000). - echo -e -n '\000\000\000\300' >>$@ - $(OBJCOPY) $< image.body - # Guest OS header is immediately followed by raw OS image. - # Start address must be at byte 0. - cat image.body >>$@ - rm -f image.body - -dep: - -clean: - rm -f image image.gz diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/config.in b/old/xenolinux-2.4.16-sparse/arch/xeno/config.in deleted file mode 100644 index f6e48b4b81..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/config.in +++ /dev/null @@ -1,135 +0,0 @@ -# -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/config-language.txt. -# -mainmenu_name "Linux Kernel Configuration" - -define_bool CONFIG_XENO y - -define_bool CONFIG_X86 y -define_bool CONFIG_ISA y -define_bool CONFIG_SBUS n - -define_bool CONFIG_UID16 y - -mainmenu_option next_comment -comment 'Code maturity level options' -bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL -endmenu - -mainmenu_option next_comment -comment 'Loadable module support' -bool 'Enable loadable module support' CONFIG_MODULES -if [ "$CONFIG_MODULES" = "y" ]; then - bool ' Set version information on all module symbols' CONFIG_MODVERSIONS - bool ' Kernel module loader' CONFIG_KMOD -fi -endmenu - -mainmenu_option next_comment -comment 'Processor type and features' -choice 'Processor family' \ - "Pentium-Pro/Celeron/Pentium-II CONFIG_M686 \ - Pentium-III/Celeron(Coppermine) CONFIG_MPENTIUMIII \ - Pentium-4 CONFIG_MPENTIUM4 \ - Athlon/Duron/K7 CONFIG_MK7" Pentium-Pro - - define_bool CONFIG_X86_WP_WORKS_OK y - define_bool CONFIG_X86_INVLPG y - define_bool CONFIG_X86_CMPXCHG y - define_bool CONFIG_X86_XADD y - define_bool CONFIG_X86_BSWAP y - define_bool CONFIG_X86_POPAD_OK y - define_bool CONFIG_RWSEM_GENERIC_SPINLOCK n - define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM y - - define_bool CONFIG_X86_GOOD_APIC y - define_bool CONFIG_X86_PGE y - define_bool CONFIG_X86_USE_PPRO_CHECKSUM y - define_bool CONFIG_X86_TSC y - -if [ "$CONFIG_M686" = "y" ]; then - define_int CONFIG_X86_L1_CACHE_SHIFT 5 -fi -if [ "$CONFIG_MPENTIUMIII" = "y" ]; then - define_int CONFIG_X86_L1_CACHE_SHIFT 5 -fi -if [ "$CONFIG_MPENTIUM4" = "y" ]; then - define_int CONFIG_X86_L1_CACHE_SHIFT 7 -fi -if [ "$CONFIG_MK7" = "y" ]; then - define_int CONFIG_X86_L1_CACHE_SHIFT 6 - define_bool CONFIG_X86_USE_3DNOW y -fi - -choice 'High Memory Support' \ - "off CONFIG_NOHIGHMEM \ - 4GB CONFIG_HIGHMEM4G \ - 64GB CONFIG_HIGHMEM64G" off -if [ "$CONFIG_HIGHMEM4G" = "y" ]; then - define_bool CONFIG_HIGHMEM y -fi -if [ "$CONFIG_HIGHMEM64G" = "y" ]; then - define_bool CONFIG_HIGHMEM y - define_bool CONFIG_X86_PAE y -fi - -#bool 'Symmetric multi-processing support' CONFIG_SMP -#if [ "$CONFIG_SMP" = "y" -a "$CONFIG_X86_CMPXCHG" = "y" ]; then -# define_bool CONFIG_HAVE_DEC_LOCK y -#fi -endmenu - -mainmenu_option next_comment -comment 'General setup' - -bool 'Networking support' CONFIG_NET - -bool 'System V IPC' CONFIG_SYSVIPC -bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT -bool 'Sysctl support' CONFIG_SYSCTL -if [ "$CONFIG_PROC_FS" = "y" ]; then - choice 'Kernel core (/proc/kcore) format' \ - "ELF CONFIG_KCORE_ELF \ - A.OUT CONFIG_KCORE_AOUT" ELF -fi -tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT -tristate 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF -tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC - -endmenu - -if [ "$CONFIG_NET" = "y" ]; then - source net/Config.in -fi - -source drivers/block/Config.in -define_bool CONFIG_BLK_DEV_IDE_MODES n -define_bool CONFIG_BLK_DEV_HD n - -source fs/Config.in - -mainmenu_option next_comment -comment 'Kernel hacking' - -bool 'Kernel debugging' CONFIG_DEBUG_KERNEL -if [ "$CONFIG_DEBUG_KERNEL" != "n" ]; then - bool ' Debug high memory support' CONFIG_DEBUG_HIGHMEM - bool ' Debug memory allocations' CONFIG_DEBUG_SLAB - bool ' Memory mapped I/O debugging' CONFIG_DEBUG_IOVIRT - bool ' Magic SysRq key' CONFIG_MAGIC_SYSRQ - bool ' Spinlock debugging' CONFIG_DEBUG_SPINLOCK - bool ' Verbose BUG() reporting (adds 70K)' CONFIG_DEBUG_BUGVERBOSE - bool ' Built-in Kernel Debugger support' CONFIG_KDB - dep_tristate ' KDB modules' CONFIG_KDB_MODULES $CONFIG_KDB - if [ "$CONFIG_KDB" = "y" ]; then - bool ' KDB off by default' CONFIG_KDB_OFF - comment ' Load all symbols for debugging is required for KDB' - define_bool CONFIG_KALLSYMS y - else - bool ' Load all symbols for debugging' CONFIG_KALLSYMS - fi - bool ' Compile the kernel with frame pointers' CONFIG_FRAME_POINTER -fi - -endmenu diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/defconfig b/old/xenolinux-2.4.16-sparse/arch/xeno/defconfig deleted file mode 100644 index 8bd5adaee4..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/defconfig +++ /dev/null @@ -1,392 +0,0 @@ -# -# Automatically generated make config: don't edit -# -CONFIG_X86=y -CONFIG_ISA=y -# CONFIG_SBUS is not set -CONFIG_UID16=y - -# -# Code maturity level options -# -# CONFIG_EXPERIMENTAL is not set - -# -# Loadable module support -# -CONFIG_MODULES=y -CONFIG_MODVERSIONS=y -CONFIG_KMOD=y - -# -# Processor type and features -# -# CONFIG_M386 is not set -# CONFIG_M486 is not set -# CONFIG_M586 is not set -# CONFIG_M586TSC is not set -# CONFIG_M586MMX is not set -CONFIG_M686=y -# CONFIG_MPENTIUMIII is not set -# CONFIG_MPENTIUM4 is not set -# CONFIG_MK6 is not set -# CONFIG_MK7 is not set -# CONFIG_MCRUSOE is not set -# CONFIG_MWINCHIPC6 is not set -# CONFIG_MWINCHIP2 is not set -# CONFIG_MWINCHIP3D is not set -# CONFIG_MCYRIXIII is not set -CONFIG_X86_WP_WORKS_OK=y -CONFIG_X86_INVLPG=y -CONFIG_X86_CMPXCHG=y -CONFIG_X86_XADD=y -CONFIG_X86_BSWAP=y -CONFIG_X86_POPAD_OK=y -# CONFIG_RWSEM_GENERIC_SPINLOCK is not set -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_X86_L1_CACHE_SHIFT=5 -CONFIG_X86_TSC=y -CONFIG_X86_GOOD_APIC=y -CONFIG_X86_PGE=y -CONFIG_X86_USE_PPRO_CHECKSUM=y -# CONFIG_TOSHIBA is not set -# CONFIG_I8K is not set -# CONFIG_MICROCODE is not set -# CONFIG_X86_MSR is not set -# CONFIG_X86_CPUID is not set -CONFIG_NOHIGHMEM=y -# CONFIG_HIGHMEM4G is not set -# CONFIG_HIGHMEM64G is not set -# CONFIG_MATH_EMULATION is not set -# CONFIG_MTRR is not set -# CONFIG_SMP is not set -# CONFIG_X86_UP_APIC is not set - -# -# General setup -# -CONFIG_NET=y -# CONFIG_PCI is not set -# CONFIG_EISA is not set -# CONFIG_MCA is not set -# CONFIG_HOTPLUG is not set -# CONFIG_PCMCIA is not set -# CONFIG_HOTPLUG_PCI is not set -CONFIG_SYSVIPC=y -# CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y -CONFIG_KCORE_ELF=y -# CONFIG_KCORE_AOUT is not set -CONFIG_BINFMT_AOUT=y -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set -# CONFIG_PM is not set -# CONFIG_APM_IGNORE_USER_SUSPEND is not set -# CONFIG_APM_DO_ENABLE is not set -# CONFIG_APM_CPU_IDLE is not set -# CONFIG_APM_DISPLAY_BLANK is not set -# CONFIG_APM_RTC_IS_GMT is not set -# CONFIG_APM_ALLOW_INTS is not set -# CONFIG_APM_REAL_MODE_POWER_OFF is not set - -# -# Memory Technology Devices (MTD) -# -# CONFIG_MTD is not set - -# -# Parallel port support -# -# CONFIG_PARPORT is not set - -# -# Plug and Play configuration -# -# CONFIG_PNP is not set - -# -# Block devices -# -# CONFIG_BLK_DEV_FD is not set -# CONFIG_BLK_DEV_XD is not set -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_NBD=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=4096 -# CONFIG_BLK_DEV_INITRD is not set -CONFIG_XENOLINUX_BLOCK=y - -# -# Multi-device support (RAID and LVM) -# -# CONFIG_MD is not set - -# -# Networking options -# -CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y -CONFIG_NETLINK=y -CONFIG_RTNETLINK=y -# CONFIG_NETLINK_DEV is not set -# CONFIG_NETFILTER is not set -CONFIG_FILTER=y -CONFIG_UNIX=y -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -# CONFIG_IP_PNP_DHCP is not set -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_INET_ECN is not set -# CONFIG_SYN_COOKIES is not set - -# -# -# -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_DECNET is not set -# CONFIG_BRIDGE is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set - -# -# ATA/IDE/MFM/RLL support -# -# CONFIG_IDE is not set -# CONFIG_BLK_DEV_IDE_MODES is not set -# CONFIG_BLK_DEV_HD is not set - -# -# SCSI support -# -# CONFIG_SCSI is not set - -# -# Fusion MPT device support -# -# CONFIG_FUSION_BOOT is not set -# CONFIG_FUSION_ISENSE is not set -# CONFIG_FUSION_CTL is not set -# CONFIG_FUSION_LAN is not set - -# -# I2O device support -# -# CONFIG_I2O is not set - -# -# Network device support -# -# CONFIG_NETDEVICES is not set - -# -# Amateur Radio support -# -# CONFIG_HAMRADIO is not set - -# -# IrDA (infrared) support -# -# CONFIG_IRDA is not set - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# Old CD-ROM drivers (not SCSI, not IDE) -# -# CONFIG_CD_NO_IDESCSI is not set - -# -# Input core support -# -# CONFIG_INPUT is not set -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 - -# -# Character devices -# -# CONFIG_VT is not set -# CONFIG_SERIAL is not set -# CONFIG_SERIAL_NONSTANDARD is not set -# CONFIG_UNIX98_PTYS is not set - -# -# I2C support -# -# CONFIG_I2C is not set - -# -# Mice -# -# CONFIG_BUSMOUSE is not set -# CONFIG_MOUSE is not set - -# -# Joysticks -# -# CONFIG_INPUT_GAMEPORT is not set - -# -# Input core support is needed for gameports -# - -# -# Input core support is needed for joysticks -# -# CONFIG_QIC02_TAPE is not set - -# -# Watchdog Cards -# -# CONFIG_WATCHDOG is not set -# CONFIG_NVRAM is not set -# CONFIG_RTC is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# -# CONFIG_FTAPE is not set -# CONFIG_AGP is not set -# CONFIG_DRM is not set -# CONFIG_MWAVE is not set - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# File systems -# -# CONFIG_QUOTA is not set -CONFIG_AUTOFS_FS=y -CONFIG_AUTOFS4_FS=y -CONFIG_EXT3_FS=y -CONFIG_JBD=y -# CONFIG_FAT_FS is not set -# CONFIG_CRAMFS is not set -# CONFIG_TMPFS is not set -# CONFIG_RAMFS is not set -# CONFIG_ISO9660_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_VXFS_FS is not set -# CONFIG_NTFS_FS is not set -# CONFIG_HPFS_FS is not set -CONFIG_PROC_FS=y -# CONFIG_ROMFS_FS is not set -CONFIG_EXT2_FS=y -# CONFIG_SYSV_FS is not set -# CONFIG_UDF_FS is not set -# CONFIG_UFS_FS is not set - -# -# Network File Systems -# -# CONFIG_CODA_FS is not set -CONFIG_NFS_FS=y -CONFIG_NFS_V3=y -CONFIG_ROOT_NFS=y -CONFIG_NFSD=y -CONFIG_NFSD_V3=y -CONFIG_SUNRPC=y -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -# CONFIG_SMB_FS is not set -# CONFIG_NCP_FS is not set -# CONFIG_ZISOFS_FS is not set -# CONFIG_ZLIB_FS_INFLATE is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_SMB_NLS is not set -# CONFIG_NLS is not set - -# -# Sound -# -# CONFIG_SOUND is not set - -# -# USB support -# - -# -# USB Controllers -# - -# -# USB Device Class drivers -# - -# -# USB Human Interface Devices (HID) -# - -# -# Input core support is needed for USB HID -# - -# -# USB Imaging devices -# - -# -# USB Multimedia devices -# - -# -# Video4Linux support is needed for USB Multimedia device support -# - -# -# USB Network adaptors -# - -# -# USB port drivers -# - -# -# USB Serial Converter support -# - -# -# USB Miscellaneous drivers -# - -# -# Kernel hacking -# -CONFIG_DEBUG_KERNEL=y -# CONFIG_DEBUG_HIGHMEM is not set -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_IOVIRT is not set -# CONFIG_MAGIC_SYSRQ is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_KDB is not set -CONFIG_KALLSYMS=y -# CONFIG_FRAME_POINTER is not set diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/Makefile deleted file mode 100644 index 74a0c6c565..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -O_TARGET := blk.o -obj-y := xl_block.o xl_block_test.o -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block.c deleted file mode 100644 index 0b77e5536e..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block.c +++ /dev/null @@ -1,490 +0,0 @@ -/****************************************************************************** - * xl_block.c - * - * Xenolinux virtual block-device driver. - * - */ - -#include <linux/config.h> -#include <linux/module.h> - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> - -#include <linux/fs.h> -#include <linux/hdreg.h> -#include <linux/blkdev.h> -#include <linux/major.h> - -#include <asm/hypervisor-ifs/block.h> -#include <asm/hypervisor-ifs/hypervisor-if.h> -#include <asm/io.h> -#include <asm/uaccess.h> - -#define MAJOR_NR XLBLK_MAJOR /* force defns in blk.h, must precede include */ -static int xlblk_major = XLBLK_MAJOR; -#include <linux/blk.h> - -/* Copied from linux/ide.h */ -typedef unsigned char byte; - -void xlblk_ide_register_disk(int, unsigned long); - -#define XLBLK_MAX 32 /* Maximum minor devices we support */ -#define XLBLK_MAJOR_NAME "xhd" -#define IDE_PARTN_BITS 6 /* from ide.h::PARTN_BITS */ -#define IDE_PARTN_MASK ((1<<IDE_PARTN_BITS)-1) /* from ide.h::PARTN_MASK */ -static int xlblk_blk_size[XLBLK_MAX]; -static int xlblk_blksize_size[XLBLK_MAX]; -static int xlblk_read_ahead; -static int xlblk_hardsect_size[XLBLK_MAX]; -static int xlblk_max_sectors[XLBLK_MAX]; - -#define XLBLK_RESPONSE_IRQ _EVENT_BLK_RESP - -#define DEBUG_IRQ _EVENT_DEBUG - -#if 0 -#define DPRINTK(_f, _a...) printk ( KERN_ALERT _f , ## _a ) -#define DPRINTK_IOCTL(_f, _a...) printk ( KERN_ALERT _f , ## _a ) -#else -#define DPRINTK(_f, _a...) ((void)0) -#define DPRINTK_IOCTL(_f, _a...) ((void)0) -#endif - -static blk_ring_t *blk_ring; -static unsigned int resp_cons; /* Response consumer for comms ring. */ -static xen_disk_info_t xen_disk_info; - -int hypervisor_request(void * id, - int operation, - char * buffer, - unsigned long block_number, - unsigned short block_size, - kdev_t device); - - -/* ------------------------------------------------------------------------ - */ - -static int xenolinux_block_open(struct inode *inode, struct file *filep) -{ - DPRINTK("xenolinux_block_open\n"); - return 0; -} - -static int xenolinux_block_release(struct inode *inode, struct file *filep) -{ - DPRINTK("xenolinux_block_release\n"); - return 0; -} - -static int xenolinux_block_ioctl(struct inode *inode, struct file *filep, - unsigned command, unsigned long argument) -{ - int minor_dev; - struct hd_geometry *geo = (struct hd_geometry *)argument; - - DPRINTK("xenolinux_block_ioctl\n"); - - /* check permissions */ - if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (!inode) return -EINVAL; - minor_dev = MINOR(inode->i_rdev); - if (minor_dev >= XLBLK_MAX) return -ENODEV; - - DPRINTK_IOCTL("command: 0x%x, argument: 0x%lx, minor: 0x%x\n", - command, (long) argument, minor_dev); - - switch (command) - { - case BLKGETSIZE: - DPRINTK_IOCTL(" BLKGETSIZE: %x %lx\n", BLKGETSIZE, - (long) xen_disk_info.disks[0].capacity); - return put_user(xen_disk_info.disks[0].capacity, - (unsigned long *) argument); - - case BLKRRPART: - DPRINTK_IOCTL(" BLKRRPART: %x\n", BLKRRPART); - break; - - case BLKSSZGET: - DPRINTK_IOCTL(" BLKSSZGET: %x 0x%x\n", BLKSSZGET, - xlblk_hardsect_size[minor_dev]); - return xlblk_hardsect_size[minor_dev]; - - case HDIO_GETGEO: - DPRINTK_IOCTL(" HDIO_GETGEO: %x\n", HDIO_GETGEO); - if (!argument) return -EINVAL; - if (put_user(0x00, (unsigned long *) &geo->start)) return -EFAULT; - if (put_user(0xff, (byte *)&geo->heads)) return -EFAULT; - if (put_user(0x3f, (byte *)&geo->sectors)) return -EFAULT; - if (put_user(0x106, (unsigned short *)&geo->cylinders)) return -EFAULT; - return 0; - - case HDIO_GETGEO_BIG: - DPRINTK_IOCTL(" HDIO_GETGEO_BIG: %x\n", HDIO_GETGEO_BIG); - if (!argument) return -EINVAL; - if (put_user(0x00, (unsigned long *) &geo->start)) return -EFAULT; - if (put_user(0xff, (byte *)&geo->heads)) return -EFAULT; - if (put_user(0x3f, (byte *)&geo->sectors)) return -EFAULT; - if (put_user(0x106, (unsigned int *) &geo->cylinders)) return -EFAULT; - - return 0; - - default: - DPRINTK_IOCTL(" eh? unknown ioctl\n"); - break; - } - - return 0; -} - -static int xenolinux_block_check(kdev_t dev) -{ - DPRINTK("xenolinux_block_check\n"); - return 0; -} - -static int xenolinux_block_revalidate(kdev_t dev) -{ - DPRINTK("xenolinux_block_revalidate\n"); - return 0; -} - -/* - * hypervisor_request - * - * request block io - * - * id: for guest use only. - * operation: XEN_BLOCK_READ, XEN_BLOCK_WRITE or XEN_BLOCK_PROBE - * buffer: buffer to read/write into. this should be a - * virtual address in the guest os. - * block_number: block to read - * block_size: size of each block - * device: ide/hda is 768 or 0x300 - */ -int hypervisor_request(void * id, - int operation, - char * buffer, - unsigned long block_number, - unsigned short block_size, - kdev_t device) -{ - int position; - void *buffer_ma; - kdev_t phys_device = (kdev_t) 0; - unsigned long sector_number = 0; - struct gendisk *gd; - - /* - * Bail if there's no room in the request communication ring. This may be - * because we have a whole bunch of outstanding responses to process. No - * matter, as the response handler will kick the request queue. - */ - if ( BLK_RING_INC(blk_ring->req_prod) == resp_cons ) - return 1; - - buffer_ma = (void *)phys_to_machine(virt_to_phys(buffer)); - - switch ( operation ) - { - case XEN_BLOCK_PROBE: - phys_device = (kdev_t) 0; - sector_number = 0; - break; - - case XEN_BLOCK_READ: - case XEN_BLOCK_WRITE: - if ( MAJOR(device) != XLBLK_MAJOR ) - panic("error: xl_block::hypervisor_request: " - "unknown device [0x%x]\n", device); - phys_device = MKDEV(IDE0_MAJOR, 0); - /* Compute real buffer location on disk */ - sector_number = block_number; - if ( (gd = (struct gendisk *)xen_disk_info.disks[0].gendisk) != NULL ) - sector_number += gd->part[MINOR(device)&IDE_PARTN_MASK].start_sect; - break; - - default: - panic("unknown op %d\n", operation); - } - - /* Fill out a communications ring structure & trap to the hypervisor */ - position = blk_ring->req_prod; - blk_ring->ring[position].req.id = id; - blk_ring->ring[position].req.operation = operation; - blk_ring->ring[position].req.buffer = buffer_ma; - blk_ring->ring[position].req.block_number = block_number; - blk_ring->ring[position].req.block_size = block_size; - blk_ring->ring[position].req.device = phys_device; - blk_ring->ring[position].req.sector_number = sector_number; - - blk_ring->req_prod = BLK_RING_INC(position); - - return 0; -} - - -/* - * do_xlblk_request - * read a block; request is in a request queue - */ -static void do_xlblk_request (request_queue_t *rq) -{ - struct request *req; - struct buffer_head *bh; - int rw, nsect, full, queued = 0; - - DPRINTK("xlblk.c::do_xlblk_request for '%s'\n", DEVICE_NAME); - - while ( !rq->plugged && !QUEUE_EMPTY ) - { - if ( (req = CURRENT) == NULL ) goto out; - - DPRINTK("do_xlblk_request %p: cmd %i, sec %lx, (%li/%li) bh:%p\n", - req, req->cmd, req->sector, - req->current_nr_sectors, req->nr_sectors, req->bh); - - rw = req->cmd; - if ( rw == READA ) rw = READ; - if ((rw != READ) && (rw != WRITE)) - panic("XenoLinux Virtual Block Device: bad cmd: %d\n", rw); - - req->errors = 0; - - bh = req->bh; - while ( bh != NULL ) - { - full = hypervisor_request( - bh, (rw == READ) ? XEN_BLOCK_READ : XEN_BLOCK_WRITE, - bh->b_data, bh->b_rsector, bh->b_size, bh->b_dev); - - if ( full ) goto out; - - queued++; - - /* Dequeue the buffer head from the request. */ - nsect = bh->b_size >> 9; - req->bh = bh->b_reqnext; - bh->b_reqnext = NULL; - bh = req->bh; - - if ( bh != NULL ) - { - /* There's another buffer head to do. Update the request. */ - req->hard_sector += nsect; - req->hard_nr_sectors -= nsect; - req->sector = req->hard_sector; - req->nr_sectors = req->hard_nr_sectors; - req->current_nr_sectors = bh->b_size >> 9; - req->buffer = bh->b_data; - } - else - { - /* That was the last buffer head. Finalise the request. */ - if ( end_that_request_first(req, 1, "XenBlk") ) BUG(); - blkdev_dequeue_request(req); - end_that_request_last(req); - } - } - } - - out: - if ( queued != 0 ) HYPERVISOR_block_io_op(); -} - - -static struct block_device_operations xenolinux_block_fops = -{ - open: xenolinux_block_open, - release: xenolinux_block_release, - ioctl: xenolinux_block_ioctl, - check_media_change: xenolinux_block_check, - revalidate: xenolinux_block_revalidate, -}; - -static void xlblk_response_int(int irq, void *dev_id, struct pt_regs *ptregs) -{ - int i; - unsigned long flags; - struct buffer_head *bh; - - spin_lock_irqsave(&io_request_lock, flags); - - for ( i = resp_cons; - i != blk_ring->resp_prod; - i = BLK_RING_INC(i) ) - { - blk_ring_resp_entry_t *bret = &blk_ring->ring[i].resp; - if ( (bh = bret->id) != NULL ) bh->b_end_io(bh, 1); - } - - resp_cons = i; - - /* KAF: We can push work down at this point. We have the lock. */ - do_xlblk_request(BLK_DEFAULT_QUEUE(MAJOR_NR)); - - spin_unlock_irqrestore(&io_request_lock, flags); -} - - -int __init xlblk_init(void) -{ - int i, error, result; - - /* This mapping was created early at boot time. */ - blk_ring = (blk_ring_t *)fix_to_virt(FIX_BLKRING_BASE); - blk_ring->req_prod = blk_ring->resp_prod = resp_cons = 0; - - error = request_irq(XLBLK_RESPONSE_IRQ, xlblk_response_int, 0, - "xlblk-response", NULL); - if (error) { - printk(KERN_ALERT "Could not allocate receive interrupt\n"); - goto fail; - } - - memset (&xen_disk_info, 0, sizeof(xen_disk_info)); - xen_disk_info.count = 0; - - if ( hypervisor_request(NULL, XEN_BLOCK_PROBE, (char *) &xen_disk_info, - 0, 0, (kdev_t) 0) ) - BUG(); - HYPERVISOR_block_io_op(); - while ( blk_ring->resp_prod != 1 ) barrier(); - for ( i = 0; i < xen_disk_info.count; i++ ) - { - printk (KERN_ALERT " %2d: type: %d, capacity: %ld\n", - i, xen_disk_info.disks[i].type, - xen_disk_info.disks[i].capacity); - } - - SET_MODULE_OWNER(&xenolinux_block_fops); - result = register_blkdev(xlblk_major, "block", &xenolinux_block_fops); - if (result < 0) { - printk (KERN_ALERT "xenolinux block: can't get major %d\n", - xlblk_major); - return result; - } - - /* initialize global arrays in drivers/block/ll_rw_block.c */ - for (i = 0; i < XLBLK_MAX; i++) { - xlblk_blk_size[i] = xen_disk_info.disks[0].capacity; - xlblk_blksize_size[i] = 512; - xlblk_hardsect_size[i] = 512; - xlblk_max_sectors[i] = 128; - } - xlblk_read_ahead = 8; - - blk_size[xlblk_major] = xlblk_blk_size; - blksize_size[xlblk_major] = xlblk_blksize_size; - hardsect_size[xlblk_major] = xlblk_hardsect_size; - read_ahead[xlblk_major] = xlblk_read_ahead; - max_sectors[xlblk_major] = xlblk_max_sectors; - - blk_init_queue(BLK_DEFAULT_QUEUE(xlblk_major), do_xlblk_request); - - /* - * Turn off barking 'headactive' mode. We dequeue buffer heads as - * soon as we pass them down to Xen. - */ - blk_queue_headactive(BLK_DEFAULT_QUEUE(xlblk_major), 0); - - xlblk_ide_register_disk(0, xen_disk_info.disks[0].capacity); - - printk(KERN_ALERT - "XenoLinux Virtual Block Device Driver installed [device: %d]\n", - xlblk_major); - return 0; - - fail: - return error; -} - -void xlblk_ide_register_disk(int idx, unsigned long capacity) -{ - int units; - int minors; - struct gendisk *gd; - - /* plagarized from ide-probe.c::init_gendisk */ - - units = 2; /* from ide.h::MAX_DRIVES */ - - minors = units * (1<<IDE_PARTN_BITS); - gd = kmalloc (sizeof(struct gendisk), GFP_KERNEL); - gd->sizes = kmalloc (minors * sizeof(int), GFP_KERNEL); - gd->part = kmalloc (minors * sizeof(struct hd_struct), GFP_KERNEL); - memset(gd->part, 0, minors * sizeof(struct hd_struct)); - - gd->major = xlblk_major; - gd->major_name = XLBLK_MAJOR_NAME; - gd->minor_shift = IDE_PARTN_BITS; - gd->max_p = 1<<IDE_PARTN_BITS; - gd->nr_real = units; - gd->real_devices = NULL; - gd->next = NULL; - gd->fops = &xenolinux_block_fops; - gd->de_arr = kmalloc (sizeof *gd->de_arr * units, GFP_KERNEL); - gd->flags = kmalloc (sizeof *gd->flags * units, GFP_KERNEL); - - if (gd->de_arr) - memset (gd->de_arr, 0, sizeof *gd->de_arr * units); - - if (gd->flags) - memset (gd->flags, 0, sizeof *gd->flags * units); - - add_gendisk(gd); - - xen_disk_info.disks[idx].gendisk = gd; - - /* default disk size is just a big number. in the future, we - need a message to probe the devices to determine the actual size */ - register_disk(gd, MKDEV(xlblk_major, 0), 1<<IDE_PARTN_BITS, - &xenolinux_block_fops, capacity); - - return; -} - - - -static void __exit xlblk_cleanup(void) -{ - /* CHANGE FOR MULTIQUEUE */ - blk_cleanup_queue(BLK_DEFAULT_QUEUE(xlblk_major)); - - /* clean up global arrays */ - read_ahead[xlblk_major] = 0; - - if (blk_size[xlblk_major]) - kfree(blk_size[xlblk_major]); - blk_size[xlblk_major] = NULL; - - if (blksize_size[xlblk_major]) - kfree(blksize_size[xlblk_major]); - blksize_size[xlblk_major] = NULL; - - if (hardsect_size[xlblk_major]) - kfree(hardsect_size[xlblk_major]); - hardsect_size[xlblk_major] = NULL; - - /* XXX: free each gendisk */ - if (unregister_blkdev(xlblk_major, "block")) - printk(KERN_ALERT - "XenoLinux Virtual Block Device Driver uninstalled w/ errs\n"); - else - printk(KERN_ALERT - "XenoLinux Virtual Block Device Driver uninstalled\n"); - - return; -} - - -#ifdef MODULE -module_init(xlblk_init); -module_exit(xlblk_cleanup); -#endif diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block_test.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block_test.c deleted file mode 100644 index 2ddef271e5..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/block/xl_block_test.c +++ /dev/null @@ -1,225 +0,0 @@ -/****************************************************************************** - * xenolinux_block_test.c - * - */ -#define EXPORT_SYMTAB - -#include <linux/config.h> -#include <linux/module.h> - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/proc_fs.h> -#include <linux/sched.h> -#include <asm/uaccess.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/delay.h> - -#include <asm/hypervisor-ifs/block.h> -#include <asm/hypervisor-ifs/hypervisor-if.h> - -/******************************************************************/ - -static struct proc_dir_entry *bdt; -static blk_ring_req_entry_t meta; -static char * data; - -static int proc_read_bdt(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - switch (meta.operation) - { - case XEN_BLOCK_READ : - case XEN_BLOCK_WRITE : - { - return proc_dump_block(page, start, off, count, eof, data); - } - case XEN_BLOCK_DEBUG : - { - return proc_dump_debug(page, start, off, count, eof, data); - } - default : - { - printk(KERN_ALERT - "block device test error: unknown operation [%c]\n", - meta.operation); - return -EINVAL; - } - } -} - -int proc_dump_debug(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char header[100]; - char dump[1024]; - - sprintf (header, "Block Device Test: Debug Dump\n\n"); - - sprintf (dump, "%s\n", meta.buffer); - - if (data) - { - kfree(data); - } - - strncpy (page, dump, count); - return strlen(page); -} - -int proc_dump_block(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char header[100]; - char dump[1024]; - char temp[100]; - int loop; - - sprintf (header, "Block Device Test\n\n%s blk num: %ld 0x%lx; size: %d 0x%x; device: 0x%x\n", - meta.operation == XEN_BLOCK_WRITE ? "write" : "read", - meta.block_number, meta.block_number, - meta.block_size, meta.block_size, - meta.device); - - sprintf (dump, "%s", header); - - if (meta.buffer) - { - for (loop = 0; loop < 100; loop++) - { - int i = meta.buffer[loop]; - - if (loop % 8 == 0) - { - sprintf (temp, "[%2d] ", loop); - strcat(dump, temp); - } - else if (loop % 2 == 0) - { - strcat(dump, " "); - } - - sprintf (temp, " 0x%02x", i & 255); - strcat(dump, temp); - if ((loop + 1) % 8 == 0) - { - strcat(dump, "\n"); - } - } - strcat(dump, "\n\n"); - } - - if (data) - { - kfree(data); - } - - strncpy (page, dump, count); - return strlen(page); -} - -int proc_write_bdt(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - char *local = kmalloc((count + 1) * sizeof(char), GFP_KERNEL); - char opcode; - int block_number = 0; - int block_size = 0; - int device = 0; - - if (copy_from_user(local, buffer, count)) - { - return -EFAULT; - } - local[count] = '\0'; - - sscanf(local, "%c %i %i %i", - &opcode, &block_number, &block_size, &device); - - if (opcode == 'r' || opcode == 'R') - { - meta.operation = XEN_BLOCK_READ; - } - else if (opcode == 'w' || opcode == 'W') - { - meta.operation = XEN_BLOCK_WRITE; - } - else if (opcode == 'd' || opcode == 'D') - { - meta.operation = XEN_BLOCK_DEBUG; - block_size = 10000; - } - else - { - printk(KERN_ALERT - "block device test error: unknown opcode [%c]\n", opcode); - return -EINVAL; - } - - if (data) - { - kfree(data); - } - data = kmalloc(block_size * sizeof(char), GFP_KERNEL); - if (data == NULL) - { - kfree(local); - return -ENOMEM; - } - - meta.block_number = block_number; - meta.block_size = block_size; - meta.device = device; - meta.buffer = data; - - /* submit request */ - hypervisor_request(0, meta.operation, meta.buffer, - meta.block_number, meta.block_size, - meta.device); - HYPERVISOR_block_io_op(); - mdelay(1000); /* should wait for a proper acknowledgement/response. */ - - kfree(local); - return count; -} - - -static int __init init_module(void) -{ - int return_value = 0; - - /* create proc entry */ - bdt = create_proc_entry("bdt", 0644, NULL); - if (bdt == NULL) - { - return_value = -ENOMEM; - goto error; - } - bdt->data = NULL; - bdt->read_proc = proc_read_bdt; - bdt->write_proc = proc_write_bdt; - bdt->owner = THIS_MODULE; - - memset(&meta, 0, sizeof(meta)); - - /* success */ - printk(KERN_ALERT "XenoLinux Block Device Test installed\n"); - return 0; - - error: - return return_value; -} - -static void __exit cleanup_module(void) -{ - if (data) - { - kfree(data); - } - printk(KERN_ALERT "XenoLinux Block Device Test uninstalled\n"); -} - -module_init(init_module); -module_exit(cleanup_module); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/Makefile deleted file mode 100644 index 5a0e7b36b1..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -O_TARGET := con.o -obj-y := console.o -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/console.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/console.c deleted file mode 100644 index 11548f877e..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/console/console.c +++ /dev/null @@ -1,204 +0,0 @@ -/****************************************************************************** - * console.c - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/serial.h> -#include <linux/major.h> -#include <linux/ptrace.h> -#include <linux/ioport.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/console.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <asm/hypervisor.h> - -/******************** Kernel console driver ********************************/ - -static void kconsole_write(struct console *co, const char *s, unsigned count) -{ -#define STRLEN 256 - static char str[STRLEN]; - static int pos = 0; - int len; - - /* We buffer output until we see a newline, or until the buffer is full. */ - while ( count != 0 ) - { - len = ((STRLEN - pos) > count) ? count : STRLEN - pos; - memcpy(str + pos, s, len); - pos += len; - s += len; - count -= len; - if ( (pos == STRLEN) || (str[pos-1] == '\n') ) - { - (void)HYPERVISOR_console_write(str, pos); - pos = 0; - } - } -} - -static kdev_t kconsole_device(struct console *c) -{ - /* - * This is the magic that binds our "struct console" to our - * "tty_struct", defined below. - */ - return MKDEV(TTY_MAJOR, 0); -} - -static struct console kconsole_info = { - name: "xenocon", - write: kconsole_write, - device: kconsole_device, - flags: CON_PRINTBUFFER, - index: -1, -}; - -void xeno_console_init(void) -{ - register_console(&kconsole_info); -} - - -/******************** Initial /dev/console *********************************/ - - -static struct tty_driver console_driver; -static int console_refcount; -static struct tty_struct *console_table[1]; -static struct termios *console_termios[1]; -static struct termios *console_termios_locked[1]; - -static int console_write_room(struct tty_struct *tty) -{ - return INT_MAX; -} - -static int console_chars_in_buffer(struct tty_struct *tty) -{ - return 0; -} - -static inline int console_xmit(int ch) -{ - char _ch = ch; - kconsole_write(NULL, &_ch, 1); - return 1; -} - -static int console_write(struct tty_struct *tty, int from_user, - const u_char * buf, int count) -{ - int i; - - if ( from_user && verify_area(VERIFY_READ, buf, count) ) - { - return -EINVAL; - } - - for ( i = 0; i < count; i++ ) - { - char ch; - if ( from_user ) - { - __get_user(ch, buf + i); - } - else - { - ch = buf[i]; - } - console_xmit(ch); - } - return i; -} - -static void console_put_char(struct tty_struct *tty, u_char ch) -{ - console_xmit(ch); -} - -static int console_open(struct tty_struct *tty, struct file *filp) -{ - int line; - - MOD_INC_USE_COUNT; - line = MINOR(tty->device) - tty->driver.minor_start; - if ( line ) - { - MOD_DEC_USE_COUNT; - return -ENODEV; - } - - tty->driver_data = NULL; - - return 0; -} - -static void console_close(struct tty_struct *tty, struct file *filp) -{ - MOD_DEC_USE_COUNT; -} - -static int __init console_ini(void) -{ - memset(&console_driver, 0, sizeof(struct tty_driver)); - console_driver.magic = TTY_DRIVER_MAGIC; - console_driver.driver_name = "xeno_console"; - console_driver.name = "console"; - console_driver.major = TTY_MAJOR; - console_driver.minor_start = 0; - console_driver.num = 1; - console_driver.type = TTY_DRIVER_TYPE_SERIAL; - console_driver.subtype = SERIAL_TYPE_NORMAL; - console_driver.init_termios = tty_std_termios; - console_driver.flags = TTY_DRIVER_REAL_RAW; - console_driver.refcount = &console_refcount; - console_driver.table = console_table; - console_driver.termios = console_termios; - console_driver.termios_locked = console_termios_locked; - /* Functions */ - console_driver.open = console_open; - console_driver.close = console_close; - console_driver.write = console_write; - console_driver.write_room = console_write_room; - console_driver.put_char = console_put_char; - console_driver.chars_in_buffer = console_chars_in_buffer; - - if ( tty_register_driver(&console_driver) ) - { - printk(KERN_ERR "Couldn't register Xeno console driver\n"); - } - else - { - printk("Xeno console successfully installed\n"); - } - - return 0; -} - -static void __exit console_fin(void) -{ - int ret; - - ret = tty_unregister_driver(&console_driver); - if ( ret != 0 ) - { - printk(KERN_ERR "Unable to unregister Xeno console driver: %d\n", ret); - } -} - -module_init(console_ini); -module_exit(console_fin); - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile deleted file mode 100644 index 4738fc0ba4..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -O_TARGET := dom0.o -obj-y := dom0_memory.o dom0_core.o vfr.o -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c deleted file mode 100644 index 97d4a65b78..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * domain 0 block driver interface - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -static int __init init_module(void) -{ - request_module("xl_block"); - printk("Successfully installed domain 0 block interface\n"); - - - return 0; -} - -static void __exit cleanup_module(void) -{ - printk("Successfully de-installed domain-0 block interface\n"); - return 0; -} - -module_init(init_module); -module_exit(cleanup_module); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c deleted file mode 100644 index f8af85358b..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c +++ /dev/null @@ -1,334 +0,0 @@ -/****************************************************************************** - * dom0_core.c - * - * Interface to privileged domain-0 commands. - * - * Copyright (c) 2002, K A Fraser, B Dragovic - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/proc_fs.h> - -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/swap.h> -#include <linux/smp_lock.h> -#include <linux/swapctl.h> -#include <linux/iobuf.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/uaccess.h> -#include <asm/tlb.h> - -#include "dom0_ops.h" - -/* Private proc-file data structures. */ -typedef struct proc_data { - unsigned int domain; - unsigned long map_size; -} dom_procdata_t; - -typedef struct proc_mem_data { - unsigned long pfn; - int tot_pages; -} proc_memdata_t; - -#define XENO_BASE "xeno" -#define DOM0_CMD_INTF "dom0_cmd" -#define DOM0_NEWDOM "new_dom_data" - -#define MAX_LEN 16 -#define DOM_DIR "dom" -#define DOM_MEM "mem" -#define DOM_VIF "vif" - -#define MAP_DISCONT 1 - -static struct proc_dir_entry *xeno_base; -static struct proc_dir_entry *dom0_cmd_intf; -static struct proc_dir_entry *proc_ft; - -unsigned long direct_mmap(unsigned long, unsigned long, pgprot_t, int, int); -int direct_unmap(unsigned long, unsigned long); -int direct_disc_unmap(unsigned long, unsigned long, int); - -static unsigned char readbuf[1204]; - -static int cmd_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - strcpy(page, readbuf); - *readbuf = '\0'; - *eof = 1; - *start = page; - return strlen(page); -} - -static ssize_t dom_vif_read(struct file * file, char * buff, size_t size, loff_t * off) -{ - char hyp_buf[128]; // Hypervisor is going to write its reply here. - network_op_t op; - static int finished = 0; - - // This seems to be the only way to make the OS stop making read requests - // to the file. When we use the fileoperations version of read, offset - // seems to be ignored altogether. - - if (finished) - { - finished = 0; - return 0; - } - - op.cmd = NETWORK_OP_VIFQUERY; - op.u.vif_query.domain = (unsigned int) ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; - op.u.vif_query.buf = hyp_buf; - - strcpy(hyp_buf, "Error getting domain's vif list from hypervisor.\n"); // This will be replaced if everything works. - - (void)HYPERVISOR_network_op(&op); - - if (*off >= (strlen(hyp_buf)+1)) return 0; - - copy_to_user(buff, hyp_buf, strlen(hyp_buf)); - - finished = 1; - - return strlen(hyp_buf)+1; -} - -struct file_operations dom_vif_ops = { - read: dom_vif_read -}; - - -static void create_proc_dom_entries(int dom) -{ - struct proc_dir_entry * dir; - dom_procdata_t * dom_data; - char dir_name[MAX_LEN]; - struct proc_dir_entry * file; - - snprintf(dir_name, MAX_LEN, "%s%d", DOM_DIR, dom); - - dom_data = (dom_procdata_t *)kmalloc(sizeof(dom_procdata_t), GFP_KERNEL); - dom_data->domain = dom; - - dir = proc_mkdir(dir_name, xeno_base); - dir->data = dom_data; - - file = create_proc_entry(DOM_VIF, 0600, dir); - if (file != NULL) - { - file->owner = THIS_MODULE; - file->nlink = 1; - file->proc_fops = &dom_vif_ops; - file->data = (void *) dom; - } -} - -static ssize_t dom_mem_write(struct file * file, const char * buff, - size_t size , loff_t * off) -{ - dom_mem_t mem_data; - - copy_from_user(&mem_data, (dom_mem_t *)buff, sizeof(dom_mem_t)); - - if(direct_disc_unmap(mem_data.vaddr, mem_data.start_pfn, - mem_data.tot_pages) == 0){ - return sizeof(sizeof(dom_mem_t)); - } else { - return -1; - } -} - -static ssize_t dom_mem_read(struct file * file, char * buff, size_t size, loff_t * off) -{ - unsigned long addr; - pgprot_t prot; - - proc_memdata_t * mem_data = (proc_memdata_t *)((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; - - prot = PAGE_SHARED; - - /* remap the range using xen specific routines */ - - addr = direct_mmap(mem_data->pfn << PAGE_SHIFT, mem_data->tot_pages << PAGE_SHIFT, prot, MAP_DISCONT, mem_data->tot_pages); - - copy_to_user((unsigned long *)buff, &addr, sizeof(addr)); - - return sizeof(addr); -} - -struct file_operations dom_mem_ops = { - read: dom_mem_read, - write: dom_mem_write, -}; - -static int dom_map_mem(unsigned int dom, unsigned long pfn, int tot_pages) -{ - int ret = -ENOENT; - struct proc_dir_entry * pd = xeno_base->subdir; - struct proc_dir_entry * file; - proc_memdata_t * memdata; - - while(pd != NULL){ - - if((pd->mode & S_IFDIR) && ((dom_procdata_t *)pd->data)->domain == dom){ - - /* check if there is already an entry for mem and if so - * remove it. - */ - remove_proc_entry(DOM_MEM, pd); - - /* create new entry with parameters describing what to do - * when it is mmaped. - */ - file = create_proc_entry(DOM_MEM, 0600, pd); - if(file != NULL) - { - file->owner = THIS_MODULE; - file->nlink = 1; - file->proc_fops = &dom_mem_ops; - - memdata = (proc_memdata_t *)kmalloc(sizeof(proc_memdata_t), GFP_KERNEL); - memdata->pfn = pfn; - memdata->tot_pages = tot_pages; - file->data = memdata; - - ret = 0; - break; - } - - ret = -EAGAIN; - break; - } - pd = pd->next; - } - - return ret; -} - -/* function used to retrieve data associated with new domain */ -static ssize_t dom_data_read(struct file * file, char * buff, size_t size, loff_t * off) -{ - dom0_newdomain_t * dom_data = (dom0_newdomain_t *) - ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; - - copy_to_user((dom0_newdomain_t *)buff, dom_data, sizeof(dom0_newdomain_t)); - - remove_proc_entry(DOM0_NEWDOM, xeno_base); - - kfree(dom_data); - - return sizeof(dom0_newdomain_t); -} - -struct file_operations newdom_data_fops = { - read: dom_data_read, -}; - -static int cmd_write_proc(struct file *file, const char *buffer, - u_long count, void *data) -{ - dom0_op_t op; - int ret = 0; - struct proc_dir_entry * new_dom_id; - dom0_newdomain_t * params; - int i; - unsigned long p; - - copy_from_user(&op, buffer, sizeof(dom0_op_t)); - - /* do some sanity checks */ - if(op.cmd > MAX_CMD){ - ret = -ENOSYS; - goto out; - } - - if ( op.cmd == MAP_DOM_MEM ) - { - ret = dom_map_mem(op.u.dommem.domain, op.u.dommem.start_pfn, - op.u.dommem.tot_pages); - } - else if ( op.cmd == DO_PGUPDATES ) - { - ret = HYPERVISOR_pt_update(op.u.pgupdate.pgt_update_arr, - op.u.pgupdate.num_pgt_updates); - } - else - { - ret = HYPERVISOR_dom0_op(&op); - - /* if new domain created, create proc entries */ - if(op.cmd == DOM0_NEWDOMAIN){ - create_proc_dom_entries(ret); - - params = (dom0_newdomain_t *)kmalloc(sizeof(dom0_newdomain_t), - GFP_KERNEL); - params->memory_kb = op.u.newdomain.memory_kb; - params->pg_head = op.u.newdomain.pg_head; - params->num_vifs = op.u.newdomain.num_vifs; - params->domain = op.u.newdomain.domain; - - /* now notify user space of the new domain's id */ - new_dom_id = create_proc_entry(DOM0_NEWDOM, 0600, xeno_base); - if ( new_dom_id != NULL ) - { - new_dom_id->owner = THIS_MODULE; - new_dom_id->nlink = 1; - new_dom_id->proc_fops = &newdom_data_fops; - new_dom_id->data = (void *)params; - } - - } - - } - -out: - return ret; - -} - -static int __init init_module(void) -{ - /* xeno proc root setup */ - xeno_base = proc_mkdir(XENO_BASE, &proc_root); - - /* xeno control interface */ - *readbuf = '\0'; - dom0_cmd_intf = create_proc_entry (DOM0_CMD_INTF, 0600, xeno_base); - if ( dom0_cmd_intf != NULL ) - { - dom0_cmd_intf->owner = THIS_MODULE; - dom0_cmd_intf->nlink = 1; - dom0_cmd_intf->read_proc = cmd_read_proc; - dom0_cmd_intf->write_proc = cmd_write_proc; - } - - /* set up /proc entries for dom 0 */ - create_proc_dom_entries(0); - - return 0; -} - - -static void __exit cleanup_module(void) -{ - if ( dom0_cmd_intf == NULL ) return; - remove_proc_entry("dom0", &proc_root); - dom0_cmd_intf = NULL; -} - - -module_init(init_module); -module_exit(cleanup_module); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c deleted file mode 100644 index 9d14070a1e..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c +++ /dev/null @@ -1,368 +0,0 @@ -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/swap.h> -#include <linux/smp_lock.h> -#include <linux/swapctl.h> -#include <linux/iobuf.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> -#include <linux/list.h> - -#include <asm/pgalloc.h> -#include <asm/uaccess.h> -#include <asm/tlb.h> -#include <asm/mmu.h> - -#include "dom0_ops.h" - -#define MAP_CONT 0 -#define MAP_DISCONT 1 - -extern struct list_head * find_direct(struct list_head *, unsigned long); - -/* - * bd240: functions below perform direct mapping to the real physical pages - * needed for mapping various hypervisor specific structures needed in dom0 - * userspace by various management applications such as domain builder etc. - */ - -#define direct_set_pte(pteptr, pteval) queue_l1_entry_update(__pa(pteptr)|PGREQ_UNCHECKED_UPDATE, (pteval).pte_low) - -#define direct_pte_clear(pteptr) queue_l1_entry_update(__pa(pteptr)|PGREQ_UNCHECKED_UPDATE, 0) - -#define __direct_pte(x) ((pte_t) { (x) } ) -#define __direct_mk_pte(page_nr,pgprot) __direct_pte(((page_nr) << PAGE_SHIFT) | pgprot_val(pgprot)) -#define direct_mk_pte_phys(physpage, pgprot) __direct_mk_pte((physpage) >> PAGE_SHIFT, pgprot) - -static inline void forget_pte(pte_t page) -{ - if (!pte_none(page)) { - printk("forget_pte: old mapping existed!\n"); - BUG(); - } -} - -static inline void direct_remappte_range(pte_t * pte, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t prot) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - pte_t oldpage; - oldpage = ptep_get_and_clear(pte); - - direct_set_pte(pte, direct_mk_pte_phys(phys_addr, prot)); - - forget_pte(oldpage); - address += PAGE_SIZE; - phys_addr += PAGE_SIZE; - pte++; - } while (address && (address < end)); - -} - -static inline int direct_remappmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t prot) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - phys_addr -= address; - do { - pte_t * pte = pte_alloc(mm, pmd, address); - if (!pte) - return -ENOMEM; - direct_remappte_range(pte, address, end - address, address + phys_addr, prot); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address && (address < end)); - return 0; -} - -/* Note: this is only safe if the mm semaphore is held when called. */ -int direct_remap_page_range(unsigned long from, unsigned long phys_addr, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = current->mm; - - phys_addr -= from; - dir = pgd_offset(mm, from); - flush_cache_range(mm, beg, end); - if (from >= end) - BUG(); - - spin_lock(&mm->page_table_lock); - do { - pmd_t *pmd = pmd_alloc(mm, dir, from); - error = -ENOMEM; - if (!pmd) - break; - error = direct_remappmd_range(mm, pmd, from, end - from, phys_addr + from, prot); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (from && (from < end)); - spin_unlock(&mm->page_table_lock); - flush_tlb_range(mm, beg, end); - return error; -} - -/* - * used for remapping discontiguous bits of domain's memory, pages to map are - * found from frame table beginning at the given first_pg index - */ -int direct_remap_disc_page_range(unsigned long from, - unsigned long first_pg, int tot_pages, pgprot_t prot) -{ - dom0_op_t dom0_op; - unsigned long *pfns = get_free_page(GFP_KERNEL); - unsigned long start = from; - int pages, i; - - while ( tot_pages != 0 ) - { - dom0_op.cmd = DOM0_GETMEMLIST; - dom0_op.u.getmemlist.start_pfn = first_pg; - pages = 1023; - dom0_op.u.getmemlist.num_pfns = 1024; - if ( tot_pages < 1024 ) - dom0_op.u.getmemlist.num_pfns = pages = tot_pages; - dom0_op.u.getmemlist.buffer = pfns; - (void)HYPERVISOR_dom0_op(&dom0_op); - first_pg = pfns[1023]; - - for ( i = 0; i < pages; i++ ) - { - if(direct_remap_page_range(start, pfns[i] << PAGE_SHIFT, - PAGE_SIZE, prot)) - goto out; - start += PAGE_SIZE; - tot_pages--; - } - } - -out: - free_page(pfns); - return tot_pages; -} - -/* below functions replace standard sys_mmap and sys_munmap which are absolutely useless - * for direct memory mapping. direct_zap* functions are minor ammendments to the - * original versions in mm/memory.c. the changes are to enable unmapping of real physical - * addresses. - */ - -unsigned long direct_mmap(unsigned long phys_addr, unsigned long size, - pgprot_t prot, int flag, int tot_pages) -{ - direct_mmap_node_t * dmmap; - struct list_head * entry; - unsigned long addr; - int ret = 0; - - if(!capable(CAP_SYS_ADMIN)){ - ret = -EPERM; - goto out; - } - - /* get unmapped area invokes xen specific arch_get_unmapped_area */ - addr = get_unmapped_area(NULL, 0, size, 0, 0); - if(addr & ~PAGE_MASK){ - ret = -ENOMEM; - goto out; - } - - /* add node on the list of directly mapped areas, make sure the - * list remains sorted. - */ - dmmap = (direct_mmap_node_t *)kmalloc(sizeof(direct_mmap_node_t), GFP_KERNEL); - dmmap->vm_start = addr; - dmmap->vm_end = addr + size; - entry = find_direct(¤t->mm->context.direct_list, addr); - if(entry != ¤t->mm->context.direct_list){ - list_add_tail(&dmmap->list, entry); - } else { - list_add_tail(&dmmap->list, ¤t->mm->context.direct_list); - } - - /* and perform the mapping */ - if(flag == MAP_DISCONT){ - ret = direct_remap_disc_page_range(addr, phys_addr >> PAGE_SHIFT, - tot_pages, prot); - } else { - ret = direct_remap_page_range(addr, phys_addr, size, prot); - } - - if(ret == 0) - ret = addr; - -out: - return ret; -} - -/* most of the checks, refcnt updates, cache stuff have been thrown out as they are not - * needed - */ -static inline int direct_zap_pte_range(mmu_gather_t *tlb, pmd_t * pmd, unsigned long address, - unsigned long size) -{ - unsigned long offset; - pte_t * ptep; - int freed = 0; - - if (pmd_none(*pmd)) - return 0; - if (pmd_bad(*pmd)) { - pmd_ERROR(*pmd); - pmd_clear(pmd); - return 0; - } - ptep = pte_offset(pmd, address); - offset = address & ~PMD_MASK; - if (offset + size > PMD_SIZE) - size = PMD_SIZE - offset; - size &= PAGE_MASK; - for (offset=0; offset < size; ptep++, offset += PAGE_SIZE) { - pte_t pte = *ptep; - if (pte_none(pte)) - continue; - freed ++; - direct_pte_clear(ptep); - } - - return freed; -} - -static inline int direct_zap_pmd_range(mmu_gather_t *tlb, pgd_t * dir, - unsigned long address, unsigned long size) -{ - pmd_t * pmd; - unsigned long end; - int freed; - - if (pgd_none(*dir)) - return 0; - if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); - return 0; - } - pmd = pmd_offset(dir, address); - end = address + size; - if (end > ((address + PGDIR_SIZE) & PGDIR_MASK)) - end = ((address + PGDIR_SIZE) & PGDIR_MASK); - freed = 0; - do { - freed += direct_zap_pte_range(tlb, pmd, address, end - address); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return freed; -} - -/* - * remove user pages in a given range. - */ -void direct_zap_page_range(struct mm_struct *mm, unsigned long address, unsigned long size) -{ - mmu_gather_t *tlb; - pgd_t * dir; - unsigned long start = address, end = address + size; - int freed = 0; - - dir = pgd_offset(mm, address); - - /* - * This is a long-lived spinlock. That's fine. - * There's no contention, because the page table - * lock only protects against kswapd anyway, and - * even if kswapd happened to be looking at this - * process we _want_ it to get stuck. - */ - if (address >= end) - BUG(); - spin_lock(&mm->page_table_lock); - flush_cache_range(mm, address, end); - tlb = tlb_gather_mmu(mm); - - do { - freed += direct_zap_pmd_range(tlb, dir, address, end - address); - address = (address + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (address && (address < end)); - - /* this will flush any remaining tlb entries */ - tlb_finish_mmu(tlb, start, end); - - /* decrementing rss removed */ - - spin_unlock(&mm->page_table_lock); -} - -int direct_unmap(unsigned long addr, unsigned long size) -{ - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - - curr = direct_list->next; - while(curr != direct_list){ - node = list_entry(curr, direct_mmap_node_t, list); - if(node->vm_start == addr) - break; - curr = curr->next; - } - - if(curr == direct_list) - return -1; - - list_del(&node->list); - kfree(node); - - direct_zap_page_range(current->mm, addr, size); - - return 0; -} - -int direct_disc_unmap(unsigned long from, unsigned long first_pg, int tot_pages) -{ - int count = 0; - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - - curr = direct_list->next; - while(curr != direct_list){ - node = list_entry(curr, direct_mmap_node_t, list); - - if(node->vm_start == from) - break; - curr = curr->next; - } - - if(curr == direct_list) - return -1; - - list_del(&node->list); - kfree(node); - - while(count < tot_pages){ - direct_zap_page_range(current->mm, from, PAGE_SIZE); - from += PAGE_SIZE; - count++; - } - - return 0; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h deleted file mode 100644 index d98ce1b1eb..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h +++ /dev/null @@ -1,80 +0,0 @@ -/****************************************************************************** - * dom0_ops.h - * - * Process command requests from domain-0 guest OS. - * - * Copyright (c) 2002, K A Fraser, B Dragovic - */ - -#define DOM0_NEWDOMAIN 0 -#define DOM0_KILLDOMAIN 1 -#define DOM0_GETMEMLIST 2 -#define DOM0_STARTDOM 4 -#define MAP_DOM_MEM 6 /* Not passed down to Xen */ -#define DO_PGUPDATES 7 /* Not passed down to Xen */ -#define MAX_CMD 8 - -#define MAX_CMD_LEN 256 - -typedef struct dom0_newdomain_st -{ - unsigned int domain; - unsigned int memory_kb; - unsigned int num_vifs; // temporary - unsigned long pg_head; // return parameter -} dom0_newdomain_t; - -typedef struct dom0_killdomain_st -{ - unsigned int domain; -} dom0_killdomain_t; - -typedef struct dom0_getmemlist_st -{ - unsigned long start_pfn; - unsigned long num_pfns; - void *buffer; -} dom0_getmemlist_t; - -/* This is entirely processed by XenoLinux */ -typedef struct dom_mem -{ - unsigned int domain; - unsigned long vaddr; - unsigned long start_pfn; - int tot_pages; -} dom_mem_t; - -/* This is entirely processed by XenoLinux */ -typedef struct dom_pgupdate -{ - unsigned long pgt_update_arr; - unsigned long num_pgt_updates; -} dom_pgupdate_t; - -typedef struct domain_launch -{ - unsigned int domain; - unsigned long l2_pgt_addr; - unsigned long virt_load_addr; - unsigned long virt_shinfo_addr; - unsigned long virt_startinfo_addr; - unsigned int num_vifs; - char cmd_line[MAX_CMD_LEN]; -} dom_meminfo_t; - -typedef struct dom0_op_st -{ - unsigned long cmd; - union - { - dom0_newdomain_t newdomain; - dom0_killdomain_t killdomain; - dom0_getmemlist_t getmemlist; - dom_mem_t dommem; - dom_pgupdate_t pgupdate; - dom_meminfo_t meminfo; - } - u; -} dom0_op_t; - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c deleted file mode 100644 index 13fe25ec9c..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c +++ /dev/null @@ -1,306 +0,0 @@ -/****************************************************************************** - * vfr.c - * - * Interface to the virtual firewall/router. - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/proc_fs.h> - -#include <asm/hypervisor-ifs/network.h> - -static struct proc_dir_entry *proc_vfr; - -static unsigned char readbuf[1024]; - -/* Helpers, implemented at the bottom. */ -u32 getipaddr(const char *buff, unsigned int len); -u16 antous(const char *buff, int len); -int anton(const char *buff, int len); - -static int vfr_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - strcpy(page, readbuf); - *readbuf = '\0'; - *eof = 1; - *start = page; - return strlen(page); -} - -/* The format for the vfr interface is as follows: - * - * COMMAND <field>=<val> [<field>=<val> [...]] - * - * where: - * - * COMMAND = { ACCEPT | COUNT } - * - * field=val pairs are as follows: - * - * field = { srcaddr | dstaddr } - * val is a dot seperated, numeric IP address. - * - * field = { srcport | dstport } - * val is a (16-bit) unsigned int - * - * field = { proto } - * val = { IP | TCP | UDP | ARP } - * - */ - -#define isspace(_x) ( ((_x)==' ') || ((_x)=='\t') || ((_x)=='\v') || \ - ((_x)=='\f') || ((_x)=='\r') || ((_x)=='\n') ) - -static int vfr_write_proc(struct file *file, const char *buffer, - u_long count, void *data) -{ - network_op_t op; - int ret, len; - int ts, te, tl; // token start, end, and length - int fs, fe, fl; // field. - - len = count; - ts = te = 0; - - memset(&op, 0, sizeof(network_op_t)); - - // get the command: - while ( count && isspace(buffer[ts]) ) { ts++; count--; } // skip spaces. - te = ts; - while ( count && !isspace(buffer[te]) ) { te++; count--; } // command end - if ( te <= ts ) goto bad; - tl = te - ts; - - if ( strncmp(&buffer[ts], "ADD", tl) == 0 ) - { - op.cmd = NETWORK_OP_ADDRULE; - } - else if ( strncmp(&buffer[ts], "DELETE", tl) == 0 ) - { - op.cmd = NETWORK_OP_DELETERULE; - } - else if ( strncmp(&buffer[ts], "PRINT", tl) == 0 ) - { - op.cmd = NETWORK_OP_GETRULELIST; - goto doneparsing; - } - - ts = te; - - // get the action - while ( count && (buffer[ts] == ' ') ) { ts++; count--; } // skip spaces. - te = ts; - while ( count && (buffer[te] != ' ') ) { te++; count--; } // command end - if ( te <= ts ) goto bad; - tl = te - ts; - - if ( strncmp(&buffer[ts], "ACCEPT", tl) == 0 ) - { - op.u.net_rule.action = NETWORK_ACTION_ACCEPT; - goto keyval; - } - if ( strncmp(&buffer[ts], "COUNT", tl) == 0 ) - { - op.u.net_rule.action = NETWORK_ACTION_COUNT; - goto keyval; - } - - // default case; - return (len); - - - // get the key=val pairs. - keyval: - while (count) - { - //get field - ts = te; while ( count && isspace(buffer[ts]) ) { ts++; count--; } - te = ts; - while ( count && !isspace(buffer[te]) && (buffer[te] != '=') ) - { te++; count--; } - if ( te <= ts ) - goto doneparsing; - tl = te - ts; - fs = ts; fe = te; fl = tl; // save the field markers. - // skip " = " (ignores extra equals.) - while ( count && (isspace(buffer[te]) || (buffer[te] == '=')) ) - { te++; count--; } - ts = te; - while ( count && !isspace(buffer[te]) ) { te++; count--; } - tl = te - ts; - - if ( (fl <= 0) || (tl <= 0) ) goto bad; - - if (strncmp(&buffer[fs], "srcaddr", fl) == 0) - { - op.u.net_rule.src_addr = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstaddr", fl) == 0) - { - op.u.net_rule.dst_addr = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcaddrmask", fl) == 0) - { - op.u.net_rule.src_addr_mask = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstaddrmask", fl) == 0) - { - op.u.net_rule.dst_addr_mask = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcport", fl) == 0) - { - op.u.net_rule.src_port = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstport", fl) == 0) - { - op.u.net_rule.dst_port = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcportmask", fl) == 0) - { - op.u.net_rule.src_port_mask = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstportmask", fl) == 0) - { - op.u.net_rule.dst_port_mask = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcint", fl) == 0) - { - op.u.net_rule.src_interface = anton(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstint", fl) == 0) - { - op.u.net_rule.dst_interface = anton(&buffer[ts], tl); - } - else if ( (strncmp(&buffer[fs], "proto", fl) == 0)) - { - if (strncmp(&buffer[ts], "any", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_ANY; - if (strncmp(&buffer[ts], "ip", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_IP; - if (strncmp(&buffer[ts], "tcp", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_TCP; - if (strncmp(&buffer[ts], "udp", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_UDP; - if (strncmp(&buffer[ts], "arp", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_ARP; - - } - } - - doneparsing: - ret = HYPERVISOR_network_op(&op); - return(len); - - bad: - return(len); - - -} - -static int __init init_module(void) -{ - *readbuf = '\0'; - proc_vfr = create_proc_entry ("vfr", 0600, &proc_root); - if ( proc_vfr != NULL ) - { - proc_vfr->owner = THIS_MODULE; - proc_vfr->nlink = 1; - proc_vfr->read_proc = vfr_read_proc; - proc_vfr->write_proc = vfr_write_proc; - printk("Successfully installed virtual firewall/router interface\n"); - } - return 0; -} - -static void __exit cleanup_module(void) -{ - if ( proc_vfr == NULL ) return; - remove_proc_entry("vfr", &proc_root); - proc_vfr = NULL; -} - -module_init(init_module); -module_exit(cleanup_module); - -/* Helper functions start here: */ - -int anton(const char *buff, int len) -{ - int ret; - char c; - int sign = 1; - - ret = 0; - - if (len == 0) return 0; - if (*buff == '-') { sign = -1; buff++; len--; } - - while ( (len) && ((c = *buff) >= '0') && (c <= '9') ) - { - ret *= 10; - ret += c - '0'; - buff++; len--; - } - - ret *= sign; - return ret; -} - -u16 antous(const char *buff, int len) -{ - u16 ret; - char c; - - ret = 0; - - while ( (len) && ((c = *buff) >= '0') && (c <= '9') ) - { - ret *= 10; - ret += c - '0'; - buff++; len--; - } - - return ret; -} - -u32 getipaddr(const char *buff, unsigned int len) -{ - int i; - char c; - u32 ret, val; - - ret = 0; val = 0; - - while ( len ) - { - if (!((((c = *buff) >= '0') && ( c <= '9')) || ( c == '.' ) ) ) - { - return(0); // malformed. - } - - if ( c == '.' ) { - if (val > 255) return (0); //malformed. - ret = ret << 8; - ret += val; - val = 0; - len--; buff++; - continue; - } - val *= 10; - val += c - '0'; - buff++; len--; - } - ret = ret << 8; - ret += val; - - return (ret); -} - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/Makefile deleted file mode 100644 index b44a288a5b..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -O_TARGET := net.o -obj-y := network.o -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/network.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/network.c deleted file mode 100644 index 4c4ace1006..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/network/network.c +++ /dev/null @@ -1,443 +0,0 @@ -/****************************************************************************** - * network.c - * - * Virtual network driver for XenoLinux. - * - * Copyright (c) 2002, K A Fraser - */ - -#include <linux/config.h> -#include <linux/module.h> - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> - -#include <linux/netdevice.h> -#include <linux/inetdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/init.h> - -#include <asm/io.h> -#include <net/sock.h> - -#define NET_TX_IRQ _EVENT_NET_TX -#define NET_RX_IRQ _EVENT_NET_RX - -#define TX_MAX_ENTRIES (TX_RING_SIZE - 2) -#define RX_MAX_ENTRIES (RX_RING_SIZE - 2) - -#define TX_RING_INC(_i) (((_i)+1) & (TX_RING_SIZE-1)) -#define RX_RING_INC(_i) (((_i)+1) & (RX_RING_SIZE-1)) -#define TX_RING_ADD(_i,_j) (((_i)+(_j)) & (TX_RING_SIZE-1)) -#define RX_RING_ADD(_i,_j) (((_i)+(_j)) & (RX_RING_SIZE-1)) - -#define RX_BUF_SIZE ((PAGE_SIZE/2)+1) /* Fool the slab allocator :-) */ - -static void network_rx_int(int irq, void *dev_id, struct pt_regs *ptregs); -static void network_tx_int(int irq, void *dev_id, struct pt_regs *ptregs); -static void network_tx_buf_gc(struct net_device *dev); -static void network_alloc_rx_buffers(struct net_device *dev); -static void network_free_rx_buffers(struct net_device *dev); -static void cleanup_module(void); - -static struct list_head dev_list; - -/* - * RX RING: RX_IDX <= rx_cons <= rx_prod - * TX RING: TX_IDX <= tx_cons <= tx_prod - * (*_IDX allocated privately here, *_cons & *_prod shared with hypervisor) - */ -struct net_private -{ - struct list_head list; - struct net_device *dev; - - struct net_device_stats stats; - struct sk_buff **tx_skb_ring; - struct sk_buff **rx_skb_ring; - atomic_t tx_entries; - unsigned int rx_idx, tx_idx, tx_full; - net_ring_t *net_ring; - spinlock_t tx_lock; -}; - - -static int network_open(struct net_device *dev) -{ - struct net_private *np = dev->priv; - int error = 0; - - np->rx_idx = np->tx_idx = np->tx_full = 0; - - memset(&np->stats, 0, sizeof(np->stats)); - - spin_lock_init(&np->tx_lock); - - atomic_set(&np->tx_entries, 0); - - np->net_ring->tx_prod = np->net_ring->tx_cons = np->net_ring->tx_event = 0; - np->net_ring->rx_prod = np->net_ring->rx_cons = np->net_ring->rx_event = 0; - np->net_ring->tx_ring = NULL; - np->net_ring->rx_ring = NULL; - - np->tx_skb_ring = kmalloc(TX_RING_SIZE * sizeof(struct sk_buff *), - GFP_KERNEL); - np->rx_skb_ring = kmalloc(RX_RING_SIZE * sizeof(struct sk_buff *), - GFP_KERNEL); - np->net_ring->tx_ring = kmalloc(TX_RING_SIZE * sizeof(tx_entry_t), - GFP_KERNEL); - np->net_ring->rx_ring = kmalloc(RX_RING_SIZE * sizeof(rx_entry_t), - GFP_KERNEL); - if ( (np->tx_skb_ring == NULL) || (np->rx_skb_ring == NULL) || - (np->net_ring->tx_ring == NULL) || (np->net_ring->rx_ring == NULL) ) - { - printk(KERN_WARNING "%s; Could not allocate ring memory\n", dev->name); - error = -ENOBUFS; - goto fail; - } - - network_alloc_rx_buffers(dev); - - error = request_irq(NET_RX_IRQ, network_rx_int, 0, - "net-rx", dev); - if ( error ) - { - printk(KERN_WARNING "%s: Could not allocate receive interrupt\n", - dev->name); - network_free_rx_buffers(dev); - goto fail; - } - - error = request_irq(NET_TX_IRQ, network_tx_int, 0, - "net-tx", dev); - if ( error ) - { - printk(KERN_WARNING "%s: Could not allocate transmit interrupt\n", - dev->name); - free_irq(NET_RX_IRQ, dev); - network_free_rx_buffers(dev); - goto fail; - } - - printk("XenoLinux Virtual Network Driver installed as %s\n", dev->name); - - netif_start_queue(dev); - - MOD_INC_USE_COUNT; - - return 0; - - fail: - if ( np->net_ring->rx_ring ) kfree(np->net_ring->rx_ring); - if ( np->net_ring->tx_ring ) kfree(np->net_ring->tx_ring); - if ( np->rx_skb_ring ) kfree(np->rx_skb_ring); - if ( np->tx_skb_ring ) kfree(np->tx_skb_ring); - kfree(np); - return error; -} - - -static void network_tx_buf_gc(struct net_device *dev) -{ - unsigned int i; - struct net_private *np = dev->priv; - struct sk_buff *skb; - unsigned long flags; - - spin_lock_irqsave(&np->tx_lock, flags); - - for ( i = np->tx_idx; i != np->net_ring->tx_cons; i = TX_RING_INC(i) ) - { - skb = np->tx_skb_ring[i]; - dev_kfree_skb_any(skb); - atomic_dec(&np->tx_entries); - } - - np->tx_idx = i; - - if ( np->tx_full && (atomic_read(&np->tx_entries) < TX_MAX_ENTRIES) ) - { - np->tx_full = 0; - netif_wake_queue(dev); - } - - spin_unlock_irqrestore(&np->tx_lock, flags); -} - -inline unsigned long get_ppte(unsigned long addr) -{ - unsigned long ppte; - pgd_t *pgd; pmd_t *pmd; pte_t *ptep; - pgd = pgd_offset_k(addr); - - if ( pgd_none(*pgd) || pgd_bad(*pgd) ) BUG(); - - pmd = pmd_offset(pgd, addr); - if ( pmd_none(*pmd) || pmd_bad(*pmd) ) BUG(); - - ptep = pte_offset(pmd, addr); - ppte = (unsigned long)phys_to_machine(virt_to_phys(ptep)); - - return ppte; -} - -static void network_alloc_rx_buffers(struct net_device *dev) -{ - unsigned int i; - struct net_private *np = dev->priv; - struct sk_buff *skb; - unsigned int end = RX_RING_ADD(np->rx_idx, RX_MAX_ENTRIES); - - for ( i = np->net_ring->rx_prod; i != end; i = RX_RING_INC(i) ) - { - skb = dev_alloc_skb(RX_BUF_SIZE); - if ( skb == NULL ) break; - skb->dev = dev; - skb_reserve(skb, 2); /* word align the IP header */ - np->rx_skb_ring[i] = skb; - np->net_ring->rx_ring[i].addr = get_ppte((unsigned long)skb->head); - np->net_ring->rx_ring[i].size = RX_BUF_SIZE - 16; /* arbitrary */ - } - - np->net_ring->rx_prod = i; - - np->net_ring->rx_event = RX_RING_INC(np->rx_idx); - - HYPERVISOR_net_update(); -} - - -static void network_free_rx_buffers(struct net_device *dev) -{ - unsigned int i; - struct net_private *np = dev->priv; - struct sk_buff *skb; - - for ( i = np->rx_idx; i != np->net_ring->rx_prod; i = RX_RING_INC(i) ) - { - skb = np->rx_skb_ring[i]; - dev_kfree_skb(skb); - } -} - -static int network_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - unsigned int i; - struct net_private *np = (struct net_private *)dev->priv; - - if ( np->tx_full ) - { - printk(KERN_WARNING "%s: full queue wasn't stopped!\n", dev->name); - netif_stop_queue(dev); - return -ENOBUFS; - } - i = np->net_ring->tx_prod; - - if ( (((unsigned long)skb->data & ~PAGE_MASK) + skb->len) >= PAGE_SIZE ) - { - struct sk_buff *new_skb = alloc_skb(RX_BUF_SIZE, GFP_KERNEL); - skb_put(new_skb, skb->len); - memcpy(new_skb->data, skb->data, skb->len); - kfree_skb(skb); - skb = new_skb; - } - - np->tx_skb_ring[i] = skb; - np->net_ring->tx_ring[i].addr = - (unsigned long)phys_to_machine(virt_to_phys(skb->data)); - np->net_ring->tx_ring[i].size = skb->len; - np->net_ring->tx_prod = TX_RING_INC(i); - atomic_inc(&np->tx_entries); - - np->stats.tx_bytes += skb->len; - np->stats.tx_packets++; - - spin_lock_irq(&np->tx_lock); - if ( atomic_read(&np->tx_entries) >= TX_MAX_ENTRIES ) - { - np->tx_full = 1; - netif_stop_queue(dev); - np->net_ring->tx_event = - TX_RING_ADD(np->tx_idx, atomic_read(&np->tx_entries) >> 1); - } - else - { - /* Avoid unnecessary tx interrupts. */ - np->net_ring->tx_event = TX_RING_INC(np->net_ring->tx_prod); - } - spin_unlock_irq(&np->tx_lock); - - /* Must do this after setting tx_event: race with updates of tx_cons. */ - network_tx_buf_gc(dev); - - HYPERVISOR_net_update(); - - return 0; -} - - -static void network_rx_int(int irq, void *dev_id, struct pt_regs *ptregs) -{ - unsigned int i; - struct net_device *dev = (struct net_device *)dev_id; - struct net_private *np = dev->priv; - struct sk_buff *skb; - - again: - for ( i = np->rx_idx; i != np->net_ring->rx_cons; i = RX_RING_INC(i) ) - { - if (np->net_ring->rx_ring[i].status != RING_STATUS_OK) - { - printk("bad buffer on RX ring!(%d)\n", - np->net_ring->rx_ring[i].status); - continue; - } - skb = np->rx_skb_ring[i]; - - phys_to_machine_mapping[virt_to_phys(skb->head) >> PAGE_SHIFT] = - (*(unsigned long *)phys_to_virt( - machine_to_phys(np->net_ring->rx_ring[i].addr)) - ) >> PAGE_SHIFT; - - skb_put(skb, np->net_ring->rx_ring[i].size); - skb->protocol = eth_type_trans(skb, dev); - - /* - * Set up shinfo -- from alloc_skb This was particularily nasty: the - * shared info is hidden at the back of the data area (presumably so it - * can be shared), but on page flip it gets very spunked. - */ - atomic_set(&(skb_shinfo(skb)->dataref), 1); - skb_shinfo(skb)->nr_frags = 0; - skb_shinfo(skb)->frag_list = NULL; - - np->stats.rx_packets++; - - np->stats.rx_bytes += np->net_ring->rx_ring[i].size; - netif_rx(skb); - dev->last_rx = jiffies; - } - - np->rx_idx = i; - - network_alloc_rx_buffers(dev); - - /* Deal with hypervisor racing our resetting of rx_event. */ - smp_mb(); - if ( np->net_ring->rx_cons != i ) goto again; -} - - -static void network_tx_int(int irq, void *dev_id, struct pt_regs *ptregs) -{ - struct net_device *dev = (struct net_device *)dev_id; - network_tx_buf_gc(dev); -} - - -int network_close(struct net_device *dev) -{ - struct net_private *np = dev->priv; - - netif_stop_queue(dev); - - free_irq(NET_RX_IRQ, dev); - free_irq(NET_TX_IRQ, dev); - - /* - * XXXX This cannot be done safely until be have a proper interface - * for setting up and tearing down virtual interfaces on the fly. - * Currently the receive buffers are locked down by Xen and we have - * no sensible way of retrieving them. - */ -#if 0 - network_free_rx_buffers(dev); - kfree(np->net_ring->rx_ring); - kfree(np->net_ring->tx_ring); -#endif - - kfree(np->rx_skb_ring); - kfree(np->tx_skb_ring); - - MOD_DEC_USE_COUNT; - - return 0; -} - - -static struct net_device_stats *network_get_stats(struct net_device *dev) -{ - struct net_private *np = (struct net_private *)dev->priv; - return &np->stats; -} - - -int __init init_module(void) -{ - int i, err; - struct net_device *dev; - struct net_private *np; - - INIT_LIST_HEAD(&dev_list); - - for ( i = 0; i < start_info.num_net_rings; i++ ) - { - dev = alloc_etherdev(sizeof(struct net_private)); - if ( dev == NULL ) - { - err = -ENOMEM; - goto fail; - } - - np = dev->priv; - np->net_ring = start_info.net_rings + i; - - SET_MODULE_OWNER(dev); - dev->open = network_open; - dev->hard_start_xmit = network_start_xmit; - dev->stop = network_close; - dev->get_stats = network_get_stats; - - memset(dev->dev_addr, 0, ETH_ALEN); - *(unsigned int *)(dev->dev_addr + 1) = i; - - if ( (err = register_netdev(dev)) != 0 ) - { - kfree(dev); - goto fail; - } - - np->dev = dev; - list_add(&np->list, &dev_list); - } - - return 0; - - fail: - cleanup_module(); - return err; -} - - -static void cleanup_module(void) -{ - struct net_private *np; - struct net_device *dev; - - while ( !list_empty(&dev_list) ) - { - np = list_entry(dev_list.next, struct net_private, list); - list_del(&np->list); - dev = np->dev; - unregister_netdev(dev); - kfree(dev); - } -} - - -module_init(init_module); -module_exit(cleanup_module); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/Makefile deleted file mode 100644 index ea830e82b6..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/Makefile +++ /dev/null @@ -1,15 +0,0 @@ - -.S.o: - $(CC) $(AFLAGS) -traditional -c $< -o $*.o - -all: kernel.o head.o init_task.o - -O_TARGET := kernel.o - -export-objs := i386_ksyms.o - -obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ - ptrace.o ioport.o ldt.o setup.o time.o sys_i386.o \ - i386_ksyms.o i387.o hypervisor.o - -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/entry.S b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/entry.S deleted file mode 100644 index b888ae7747..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/entry.S +++ /dev/null @@ -1,717 +0,0 @@ -/* - * linux/arch/i386/entry.S - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * entry.S contains the system-call and fault low-level handling routines. - * This also contains the timer-interrupt handler, as well as all interrupts - * and faults that can result in a task-switch. - * - * NOTE: This code handles signal-recognition, which happens every time - * after a timer-interrupt and after each system call. - * - * I changed all the .align's to 4 (16 byte alignment), as that's faster - * on a 486. - * - * Stack layout in 'ret_from_system_call': - * ptrace needs to have all regs on the stack. - * if the order here is changed, it needs to be - * updated in fork.c:copy_process, signal.c:do_signal, - * ptrace.c and ptrace.h - * - * 0(%esp) - %ebx - * 4(%esp) - %ecx - * 8(%esp) - %edx - * C(%esp) - %esi - * 10(%esp) - %edi - * 14(%esp) - %ebp - * 18(%esp) - %eax - * 1C(%esp) - %ds - * 20(%esp) - %es - * 24(%esp) - orig_eax - * 28(%esp) - %eip - * 2C(%esp) - %cs - * 30(%esp) - %eflags - * 34(%esp) - %oldesp - * 38(%esp) - %oldss - * - * "current" is in register %ebx during any slow entries. - */ - -#include <linux/config.h> -#include <linux/sys.h> -#include <linux/linkage.h> -#include <asm/segment.h> -#include <asm/smp.h> - -EBX = 0x00 -ECX = 0x04 -EDX = 0x08 -ESI = 0x0C -EDI = 0x10 -EBP = 0x14 -EAX = 0x18 -DS = 0x1C -ES = 0x20 -ORIG_EAX = 0x24 -EIP = 0x28 -CS = 0x2C -EFLAGS = 0x30 -OLDESP = 0x34 -OLDSS = 0x38 - -CF_MASK = 0x00000001 -IF_MASK = 0x00000200 -NT_MASK = 0x00004000 - -/* - * these are offsets into the task-struct. - */ -state = 0 -flags = 4 -sigpending = 8 -addr_limit = 12 -exec_domain = 16 -need_resched = 20 -tsk_ptrace = 24 -processor = 52 - -ENOSYS = 38 - - -#define SAVE_ALL \ - cld; \ - pushl %es; \ - pushl %ds; \ - pushl %eax; \ - pushl %ebp; \ - pushl %edi; \ - pushl %esi; \ - pushl %edx; \ - pushl %ecx; \ - pushl %ebx; \ - movl $(__KERNEL_DS),%edx; \ - movl %edx,%ds; \ - movl %edx,%es; - -#define RESTORE_ALL \ - popl %ebx; \ - popl %ecx; \ - popl %edx; \ - popl %esi; \ - popl %edi; \ - popl %ebp; \ - popl %eax; \ -1: popl %ds; \ -2: popl %es; \ - addl $4,%esp; \ -3: iret; \ -.section .fixup,"ax"; \ -4: movl $0,(%esp); \ - jmp 1b; \ -5: movl $0,(%esp); \ - jmp 2b; \ -6: pushl %ss; \ - popl %ds; \ - pushl %ss; \ - popl %es; \ - pushl $11; \ - call do_exit; \ -.previous; \ -.section __ex_table,"a";\ - .align 4; \ - .long 1b,4b; \ - .long 2b,5b; \ - .long 3b,6b; \ -.previous - -#define GET_CURRENT(reg) \ - movl $-8192, reg; \ - andl %esp, reg - - -ENTRY(ret_from_fork) - pushl %ebx - call SYMBOL_NAME(schedule_tail) - addl $4, %esp - GET_CURRENT(%ebx) - testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS - jne tracesys_exit - jmp ret_from_sys_call - -#if defined(CONFIG_KDB) -ENTRY(kdb_call) - pushl %eax # save orig EAX - SAVE_ALL - pushl %esp # struct pt_regs - pushl $0 # error_code - pushl $7 # KDB_REASON_ENTRY - call SYMBOL_NAME(kdb) - addl $12,%esp # remove args - RESTORE_ALL -#endif - -/* - * Return to user mode is not as complex as all this looks, - * but we want the default path for a system call return to - * go as quickly as possible which is why some of this is - * less clear than it otherwise should be. - */ - -ENTRY(system_call) - pushl %eax # save orig_eax - SAVE_ALL - GET_CURRENT(%ebx) - testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS - jne tracesys - cmpl $(NR_syscalls),%eax - jae badsys - call *SYMBOL_NAME(sys_call_table)(,%eax,4) - movl %eax,EAX(%esp) # save the return value -ENTRY(ret_from_sys_call) - movl SYMBOL_NAME(HYPERVISOR_shared_info),%esi - xorl %eax,%eax - movl %eax,4(%esi) # need_resched and signals atomic test -ret_syscall_tests: - cmpl $0,need_resched(%ebx) - jne reschedule - cmpl $0,sigpending(%ebx) - je safesti # ensure need_resched updates are seen -signal_return: - btsl %eax,4(%esi) # reenable event callbacks - movl %esp,%eax - xorl %edx,%edx - call SYMBOL_NAME(do_signal) - jmp ret_from_sys_call - - ALIGN -restore_all: - RESTORE_ALL - - ALIGN -tracesys: - movl $-ENOSYS,EAX(%esp) - call SYMBOL_NAME(syscall_trace) - movl ORIG_EAX(%esp),%eax - cmpl $(NR_syscalls),%eax - jae tracesys_exit - call *SYMBOL_NAME(sys_call_table)(,%eax,4) - movl %eax,EAX(%esp) # save the return value -tracesys_exit: - call SYMBOL_NAME(syscall_trace) - jmp ret_from_sys_call -badsys: - movl $-ENOSYS,EAX(%esp) - jmp ret_from_sys_call - - ALIGN -ENTRY(ret_from_intr) - GET_CURRENT(%ebx) -ret_from_exception: - movb CS(%esp),%al - testl $2,%eax - jne ret_from_sys_call - jmp restore_all - - ALIGN -reschedule: - btsl %eax,4(%esi) # reenable event callbacks - call SYMBOL_NAME(schedule) # test - jmp ret_from_sys_call - -ENTRY(divide_error) - pushl $0 # no error code - pushl $ SYMBOL_NAME(do_divide_error) - ALIGN -error_code: - pushl %ds - pushl %eax - xorl %eax,%eax - pushl %ebp - pushl %edi - pushl %esi - pushl %edx - decl %eax # eax = -1 - pushl %ecx - pushl %ebx - GET_CURRENT(%ebx) - cld - movl %es,%ecx - movl ORIG_EAX(%esp), %esi # get the error code - movl ES(%esp), %edi # get the function address - movl %eax, ORIG_EAX(%esp) - movl %ecx, ES(%esp) - movl %esp,%edx - pushl %esi # push the error code - pushl %edx # push the pt_regs pointer - movl $(__KERNEL_DS),%edx - movl %edx,%ds - movl %edx,%es - call *%edi - addl $8,%esp - jmp ret_from_exception - -# A note on the "critical region" in our callback handler. -# We want to avoid stacking callback handlers due to events occurring -# during handling of the last event. To do this, we keep events disabled -# until we've done all processing. HOWEVER, we must enable events before -# popping the stack frame (can't be done atomically) and so it would still -# be possible to get enough handler activations to overflow the stack. -# Although unlikely, bugs of that kind are hard to track down, so we'd -# like to avoid the possibility. -# So, on entry to the handler we detect whether we interrupted an -# existing activation in its critical region -- if so, we pop the current -# activation and restart the handler using the previous one. -ENTRY(hypervisor_callback) - pushl %eax - SAVE_ALL - GET_CURRENT(%ebx) - movl EIP(%esp),%eax - cmpl $scrit,%eax - jb 11f - cmpl $ecrit,%eax - jb critical_region_fixup -11: push %esp - call do_hypervisor_callback - add $4,%esp - movl SYMBOL_NAME(HYPERVISOR_shared_info),%esi - xorl %eax,%eax - movb CS(%esp),%cl - test $2,%cl # slow return to ring 2 or 3 - jne ret_syscall_tests -safesti:btsl %eax,4(%esi) # reenable event callbacks -scrit: /**** START OF CRITICAL REGION ****/ - cmpl %eax,(%esi) - jne 14f # process more events if necessary... - RESTORE_ALL -14: btrl %eax,4(%esi) - jmp 11b -ecrit: /**** END OF CRITICAL REGION ****/ -# [How we do the fixup]. We want to merge the current stack frame with the -# just-interrupted frame. How we do this depends on where in the critical -# region the interrupted handler was executing, and so how many saved -# registers are in each frame. We do this quickly using the lookup table -# 'critical_fixup_table'. For each byte offset in the critical region, it -# provides the number of bytes which have already been popped from the -# interrupted stack frame. -critical_region_fixup: - addl $critical_fixup_table-scrit,%eax - movzbl (%eax),%eax # %eax contains num bytes popped - mov %esp,%esi - add %eax,%esi # %esi points at end of src region - mov %esp,%edi - add $0x34,%edi # %edi points at end of dst region - mov %eax,%ecx - shr $2,%ecx # convert words to bytes - je 16f # skip loop if nothing to copy -15: subl $4,%esi # pre-decrementing copy loop - subl $4,%edi - movl (%esi),%eax - movl %eax,(%edi) - loop 15b -16: movl %edi,%esp # final %edi is top of merged stack - jmp 11b - -critical_fixup_table: - .byte 0x00,0x00 # cmpl %eax,(%esi) - .byte 0x00,0x00 # jne 14f - .byte 0x00 # pop %ebx - .byte 0x04 # pop %ecx - .byte 0x08 # pop %edx - .byte 0x0c # pop %esi - .byte 0x10 # pop %edi - .byte 0x14 # pop %ebp - .byte 0x18 # pop %eax - .byte 0x1c # pop %ds - .byte 0x20 # pop %es - .byte 0x24,0x24,0x24 # add $4,%esp - .byte 0x28 # iret - .byte 0x00,0x00,0x00,0x00 # btrl %eax,4(%esi) - .byte 0x00,0x00 # jmp 11b - -# Hypervisor uses this for application faults while it executes. -ENTRY(failsafe_callback) -1: pop %ds -2: pop %es -3: iret -.section .fixup,"ax"; \ -4: movl $0,(%esp); \ - jmp 1b; \ -5: movl $0,(%esp); \ - jmp 2b; \ -6: pushl %ss; \ - popl %ds; \ - pushl %ss; \ - popl %es; \ - pushl $11; \ - call do_exit; \ -.previous; \ -.section __ex_table,"a";\ - .align 4; \ - .long 1b,4b; \ - .long 2b,5b; \ - .long 3b,6b; \ -.previous - -ENTRY(coprocessor_error) - pushl $0 - pushl $ SYMBOL_NAME(do_coprocessor_error) - jmp error_code - -ENTRY(simd_coprocessor_error) - pushl $0 - pushl $ SYMBOL_NAME(do_simd_coprocessor_error) - jmp error_code - -ENTRY(device_not_available) - pushl $-1 # mark this as an int - SAVE_ALL - GET_CURRENT(%ebx) - call SYMBOL_NAME(math_state_restore) - jmp ret_from_exception - -ENTRY(debug) - pushl $0 - pushl $ SYMBOL_NAME(do_debug) - jmp error_code - -ENTRY(int3) - pushl $0 - pushl $ SYMBOL_NAME(do_int3) - jmp error_code - -ENTRY(overflow) - pushl $0 - pushl $ SYMBOL_NAME(do_overflow) - jmp error_code - -ENTRY(bounds) - pushl $0 - pushl $ SYMBOL_NAME(do_bounds) - jmp error_code - -ENTRY(invalid_op) - pushl $0 - pushl $ SYMBOL_NAME(do_invalid_op) - jmp error_code - -ENTRY(coprocessor_segment_overrun) - pushl $0 - pushl $ SYMBOL_NAME(do_coprocessor_segment_overrun) - jmp error_code - -ENTRY(double_fault) - pushl $ SYMBOL_NAME(do_double_fault) - jmp error_code - -ENTRY(invalid_TSS) - pushl $ SYMBOL_NAME(do_invalid_TSS) - jmp error_code - -ENTRY(segment_not_present) - pushl $ SYMBOL_NAME(do_segment_not_present) - jmp error_code - -ENTRY(stack_segment) - pushl $ SYMBOL_NAME(do_stack_segment) - jmp error_code - -ENTRY(general_protection) - pushl $ SYMBOL_NAME(do_general_protection) - jmp error_code - -ENTRY(alignment_check) - pushl $ SYMBOL_NAME(do_alignment_check) - jmp error_code - -#if defined(CONFIG_KDB) -ENTRY(page_fault_mca) - pushl %ecx - pushl %edx - pushl %eax - movl $473,%ecx - rdmsr - andl $0xfffffffe,%eax /* Disable last branch recording */ - wrmsr - popl %eax - popl %edx - popl %ecx - pushl $ SYMBOL_NAME(do_page_fault) - jmp error_code -#endif - -# This handler is special, because it gets an extra value on its stack, -# which is the linear faulting address. -ENTRY(page_fault) - pushl %ds - pushl %eax - xorl %eax,%eax - pushl %ebp - pushl %edi - pushl %esi - pushl %edx - decl %eax # eax = -1 - pushl %ecx - pushl %ebx - GET_CURRENT(%ebx) - cld - movl %es,%ecx - movl ORIG_EAX(%esp), %esi # get the error code - movl ES(%esp), %edi # get the faulting address - movl %eax, ORIG_EAX(%esp) - movl %ecx, ES(%esp) - movl %esp,%edx - pushl %edi # push the faulting address - pushl %esi # push the error code - pushl %edx # push the pt_regs pointer - movl $(__KERNEL_DS),%edx - movl %edx,%ds - movl %edx,%es - call SYMBOL_NAME(do_page_fault) - addl $12,%esp - jmp ret_from_exception - -ENTRY(machine_check) - pushl $0 - pushl $ SYMBOL_NAME(do_machine_check) - jmp error_code - -ENTRY(spurious_interrupt_bug) - pushl $0 - pushl $ SYMBOL_NAME(do_spurious_interrupt_bug) - jmp error_code - -.data -ENTRY(sys_call_table) - .long SYMBOL_NAME(sys_ni_syscall) /* 0 - old "setup()" system call*/ - .long SYMBOL_NAME(sys_exit) - .long SYMBOL_NAME(sys_fork) - .long SYMBOL_NAME(sys_read) - .long SYMBOL_NAME(sys_write) - .long SYMBOL_NAME(sys_open) /* 5 */ - .long SYMBOL_NAME(sys_close) - .long SYMBOL_NAME(sys_waitpid) - .long SYMBOL_NAME(sys_creat) - .long SYMBOL_NAME(sys_link) - .long SYMBOL_NAME(sys_unlink) /* 10 */ - .long SYMBOL_NAME(sys_execve) - .long SYMBOL_NAME(sys_chdir) - .long SYMBOL_NAME(sys_time) - .long SYMBOL_NAME(sys_mknod) - .long SYMBOL_NAME(sys_chmod) /* 15 */ - .long SYMBOL_NAME(sys_lchown16) - .long SYMBOL_NAME(sys_ni_syscall) /* old break syscall holder */ - .long SYMBOL_NAME(sys_stat) - .long SYMBOL_NAME(sys_lseek) - .long SYMBOL_NAME(sys_getpid) /* 20 */ - .long SYMBOL_NAME(sys_mount) - .long SYMBOL_NAME(sys_oldumount) - .long SYMBOL_NAME(sys_setuid16) - .long SYMBOL_NAME(sys_getuid16) - .long SYMBOL_NAME(sys_stime) /* 25 */ - .long SYMBOL_NAME(sys_ptrace) - .long SYMBOL_NAME(sys_alarm) - .long SYMBOL_NAME(sys_fstat) - .long SYMBOL_NAME(sys_pause) - .long SYMBOL_NAME(sys_utime) /* 30 */ - .long SYMBOL_NAME(sys_ni_syscall) /* old stty syscall holder */ - .long SYMBOL_NAME(sys_ni_syscall) /* old gtty syscall holder */ - .long SYMBOL_NAME(sys_access) - .long SYMBOL_NAME(sys_nice) - .long SYMBOL_NAME(sys_ni_syscall) /* 35 */ /* old ftime syscall holder */ - .long SYMBOL_NAME(sys_sync) - .long SYMBOL_NAME(sys_kill) - .long SYMBOL_NAME(sys_rename) - .long SYMBOL_NAME(sys_mkdir) - .long SYMBOL_NAME(sys_rmdir) /* 40 */ - .long SYMBOL_NAME(sys_dup) - .long SYMBOL_NAME(sys_pipe) - .long SYMBOL_NAME(sys_times) - .long SYMBOL_NAME(sys_ni_syscall) /* old prof syscall holder */ - .long SYMBOL_NAME(sys_brk) /* 45 */ - .long SYMBOL_NAME(sys_setgid16) - .long SYMBOL_NAME(sys_getgid16) - .long SYMBOL_NAME(sys_signal) - .long SYMBOL_NAME(sys_geteuid16) - .long SYMBOL_NAME(sys_getegid16) /* 50 */ - .long SYMBOL_NAME(sys_acct) - .long SYMBOL_NAME(sys_umount) /* recycled never used phys() */ - .long SYMBOL_NAME(sys_ni_syscall) /* old lock syscall holder */ - .long SYMBOL_NAME(sys_ioctl) - .long SYMBOL_NAME(sys_fcntl) /* 55 */ - .long SYMBOL_NAME(sys_ni_syscall) /* old mpx syscall holder */ - .long SYMBOL_NAME(sys_setpgid) - .long SYMBOL_NAME(sys_ni_syscall) /* old ulimit syscall holder */ - .long SYMBOL_NAME(sys_olduname) - .long SYMBOL_NAME(sys_umask) /* 60 */ - .long SYMBOL_NAME(sys_chroot) - .long SYMBOL_NAME(sys_ustat) - .long SYMBOL_NAME(sys_dup2) - .long SYMBOL_NAME(sys_getppid) - .long SYMBOL_NAME(sys_getpgrp) /* 65 */ - .long SYMBOL_NAME(sys_setsid) - .long SYMBOL_NAME(sys_sigaction) - .long SYMBOL_NAME(sys_sgetmask) - .long SYMBOL_NAME(sys_ssetmask) - .long SYMBOL_NAME(sys_setreuid16) /* 70 */ - .long SYMBOL_NAME(sys_setregid16) - .long SYMBOL_NAME(sys_sigsuspend) - .long SYMBOL_NAME(sys_sigpending) - .long SYMBOL_NAME(sys_sethostname) - .long SYMBOL_NAME(sys_setrlimit) /* 75 */ - .long SYMBOL_NAME(sys_old_getrlimit) - .long SYMBOL_NAME(sys_getrusage) - .long SYMBOL_NAME(sys_gettimeofday) - .long SYMBOL_NAME(sys_settimeofday) - .long SYMBOL_NAME(sys_getgroups16) /* 80 */ - .long SYMBOL_NAME(sys_setgroups16) - .long SYMBOL_NAME(old_select) - .long SYMBOL_NAME(sys_symlink) - .long SYMBOL_NAME(sys_lstat) - .long SYMBOL_NAME(sys_readlink) /* 85 */ - .long SYMBOL_NAME(sys_uselib) - .long SYMBOL_NAME(sys_swapon) - .long SYMBOL_NAME(sys_reboot) - .long SYMBOL_NAME(old_readdir) - .long SYMBOL_NAME(old_mmap) /* 90 */ - .long SYMBOL_NAME(sys_munmap) - .long SYMBOL_NAME(sys_truncate) - .long SYMBOL_NAME(sys_ftruncate) - .long SYMBOL_NAME(sys_fchmod) - .long SYMBOL_NAME(sys_fchown16) /* 95 */ - .long SYMBOL_NAME(sys_getpriority) - .long SYMBOL_NAME(sys_setpriority) - .long SYMBOL_NAME(sys_ni_syscall) /* old profil syscall holder */ - .long SYMBOL_NAME(sys_statfs) - .long SYMBOL_NAME(sys_fstatfs) /* 100 */ - .long SYMBOL_NAME(sys_ioperm) - .long SYMBOL_NAME(sys_socketcall) - .long SYMBOL_NAME(sys_syslog) - .long SYMBOL_NAME(sys_setitimer) - .long SYMBOL_NAME(sys_getitimer) /* 105 */ - .long SYMBOL_NAME(sys_newstat) - .long SYMBOL_NAME(sys_newlstat) - .long SYMBOL_NAME(sys_newfstat) - .long SYMBOL_NAME(sys_uname) - .long SYMBOL_NAME(sys_iopl) /* 110 */ - .long SYMBOL_NAME(sys_vhangup) - .long SYMBOL_NAME(sys_ni_syscall) /* old "idle" system call */ - .long SYMBOL_NAME(sys_ni_syscall) /* was VM86 */ - .long SYMBOL_NAME(sys_wait4) - .long SYMBOL_NAME(sys_swapoff) /* 115 */ - .long SYMBOL_NAME(sys_sysinfo) - .long SYMBOL_NAME(sys_ipc) - .long SYMBOL_NAME(sys_fsync) - .long SYMBOL_NAME(sys_sigreturn) - .long SYMBOL_NAME(sys_clone) /* 120 */ - .long SYMBOL_NAME(sys_setdomainname) - .long SYMBOL_NAME(sys_newuname) - .long SYMBOL_NAME(sys_modify_ldt) - .long SYMBOL_NAME(sys_adjtimex) - .long SYMBOL_NAME(sys_mprotect) /* 125 */ - .long SYMBOL_NAME(sys_sigprocmask) - .long SYMBOL_NAME(sys_create_module) - .long SYMBOL_NAME(sys_init_module) - .long SYMBOL_NAME(sys_delete_module) - .long SYMBOL_NAME(sys_get_kernel_syms) /* 130 */ - .long SYMBOL_NAME(sys_quotactl) - .long SYMBOL_NAME(sys_getpgid) - .long SYMBOL_NAME(sys_fchdir) - .long SYMBOL_NAME(sys_bdflush) - .long SYMBOL_NAME(sys_sysfs) /* 135 */ - .long SYMBOL_NAME(sys_personality) - .long SYMBOL_NAME(sys_ni_syscall) /* for afs_syscall */ - .long SYMBOL_NAME(sys_setfsuid16) - .long SYMBOL_NAME(sys_setfsgid16) - .long SYMBOL_NAME(sys_llseek) /* 140 */ - .long SYMBOL_NAME(sys_getdents) - .long SYMBOL_NAME(sys_select) - .long SYMBOL_NAME(sys_flock) - .long SYMBOL_NAME(sys_msync) - .long SYMBOL_NAME(sys_readv) /* 145 */ - .long SYMBOL_NAME(sys_writev) - .long SYMBOL_NAME(sys_getsid) - .long SYMBOL_NAME(sys_fdatasync) - .long SYMBOL_NAME(sys_sysctl) - .long SYMBOL_NAME(sys_mlock) /* 150 */ - .long SYMBOL_NAME(sys_munlock) - .long SYMBOL_NAME(sys_mlockall) - .long SYMBOL_NAME(sys_munlockall) - .long SYMBOL_NAME(sys_sched_setparam) - .long SYMBOL_NAME(sys_sched_getparam) /* 155 */ - .long SYMBOL_NAME(sys_sched_setscheduler) - .long SYMBOL_NAME(sys_sched_getscheduler) - .long SYMBOL_NAME(sys_sched_yield) - .long SYMBOL_NAME(sys_sched_get_priority_max) - .long SYMBOL_NAME(sys_sched_get_priority_min) /* 160 */ - .long SYMBOL_NAME(sys_sched_rr_get_interval) - .long SYMBOL_NAME(sys_nanosleep) - .long SYMBOL_NAME(sys_mremap) - .long SYMBOL_NAME(sys_setresuid16) - .long SYMBOL_NAME(sys_getresuid16) /* 165 */ - .long SYMBOL_NAME(sys_ni_syscall) /* was VM86 */ - .long SYMBOL_NAME(sys_query_module) - .long SYMBOL_NAME(sys_poll) - .long SYMBOL_NAME(sys_nfsservctl) - .long SYMBOL_NAME(sys_setresgid16) /* 170 */ - .long SYMBOL_NAME(sys_getresgid16) - .long SYMBOL_NAME(sys_prctl) - .long SYMBOL_NAME(sys_rt_sigreturn) - .long SYMBOL_NAME(sys_rt_sigaction) - .long SYMBOL_NAME(sys_rt_sigprocmask) /* 175 */ - .long SYMBOL_NAME(sys_rt_sigpending) - .long SYMBOL_NAME(sys_rt_sigtimedwait) - .long SYMBOL_NAME(sys_rt_sigqueueinfo) - .long SYMBOL_NAME(sys_rt_sigsuspend) - .long SYMBOL_NAME(sys_pread) /* 180 */ - .long SYMBOL_NAME(sys_pwrite) - .long SYMBOL_NAME(sys_chown16) - .long SYMBOL_NAME(sys_getcwd) - .long SYMBOL_NAME(sys_capget) - .long SYMBOL_NAME(sys_capset) /* 185 */ - .long SYMBOL_NAME(sys_sigaltstack) - .long SYMBOL_NAME(sys_sendfile) - .long SYMBOL_NAME(sys_ni_syscall) /* streams1 */ - .long SYMBOL_NAME(sys_ni_syscall) /* streams2 */ - .long SYMBOL_NAME(sys_vfork) /* 190 */ - .long SYMBOL_NAME(sys_getrlimit) - .long SYMBOL_NAME(sys_mmap2) - .long SYMBOL_NAME(sys_truncate64) - .long SYMBOL_NAME(sys_ftruncate64) - .long SYMBOL_NAME(sys_stat64) /* 195 */ - .long SYMBOL_NAME(sys_lstat64) - .long SYMBOL_NAME(sys_fstat64) - .long SYMBOL_NAME(sys_lchown) - .long SYMBOL_NAME(sys_getuid) - .long SYMBOL_NAME(sys_getgid) /* 200 */ - .long SYMBOL_NAME(sys_geteuid) - .long SYMBOL_NAME(sys_getegid) - .long SYMBOL_NAME(sys_setreuid) - .long SYMBOL_NAME(sys_setregid) - .long SYMBOL_NAME(sys_getgroups) /* 205 */ - .long SYMBOL_NAME(sys_setgroups) - .long SYMBOL_NAME(sys_fchown) - .long SYMBOL_NAME(sys_setresuid) - .long SYMBOL_NAME(sys_getresuid) - .long SYMBOL_NAME(sys_setresgid) /* 210 */ - .long SYMBOL_NAME(sys_getresgid) - .long SYMBOL_NAME(sys_chown) - .long SYMBOL_NAME(sys_setuid) - .long SYMBOL_NAME(sys_setgid) - .long SYMBOL_NAME(sys_setfsuid) /* 215 */ - .long SYMBOL_NAME(sys_setfsgid) - .long SYMBOL_NAME(sys_pivot_root) - .long SYMBOL_NAME(sys_mincore) - .long SYMBOL_NAME(sys_madvise) - .long SYMBOL_NAME(sys_getdents64) /* 220 */ - .long SYMBOL_NAME(sys_fcntl64) - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for TUX */ - .long SYMBOL_NAME(sys_ni_syscall) /* Reserved for Security */ - .long SYMBOL_NAME(sys_gettid) - .long SYMBOL_NAME(sys_readahead) /* 225 */ - - .rept NR_syscalls-(.-sys_call_table)/4 - .long SYMBOL_NAME(sys_ni_syscall) - .endr diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/head.S b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/head.S deleted file mode 100644 index 86a82b13dc..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/head.S +++ /dev/null @@ -1,67 +0,0 @@ - -.text -#include <linux/config.h> -#include <linux/threads.h> -#include <linux/linkage.h> -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/desc.h> - -/* Offsets in start_info structure */ -#define SHARED_INFO 4 -#define MOD_START 12 -#define MOD_LEN 16 - -startup_32: - cld - - lss stack_start,%esp - - /* Copy initrd somewhere safe before it's clobbered by BSS. */ - mov MOD_LEN(%esi),%ecx - shr $2,%ecx - jz 2f /* bail from copy loop if no initrd */ - mov $SYMBOL_NAME(_end),%edi - add MOD_LEN(%esi),%edi - mov MOD_START(%esi),%eax - add MOD_LEN(%esi),%eax -1: sub $4,%eax - sub $4,%edi - mov (%eax),%ebx - mov %ebx,(%edi) - loop 1b - mov %edi,MOD_START(%esi) - - /* Clear BSS first so that there are no surprises... */ -2: xorl %eax,%eax - movl $SYMBOL_NAME(__bss_start),%edi - movl $SYMBOL_NAME(_end),%ecx - subl %edi,%ecx - rep stosb - - /* Copy the necessary stuff from start_info structure. */ - /* We need to copy shared_info early, so that sti/cli work */ - mov SHARED_INFO(%esi),%eax - mov %eax,SYMBOL_NAME(HYPERVISOR_shared_info) - mov $SYMBOL_NAME(start_info_union),%edi - mov $128,%ecx - rep movsl - - jmp SYMBOL_NAME(start_kernel) - -ENTRY(stack_start) - .long SYMBOL_NAME(init_task_union)+8192, __KERNEL_DS - -.org 0x1000 -ENTRY(empty_zero_page) - -.org 0x2000 -ENTRY(cpu0_pte_quicklist) - -.org 0x2400 -ENTRY(cpu0_pgd_quicklist) - -.org 0x2800 -ENTRY(stext) -ENTRY(_stext) diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/hypervisor.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/hypervisor.c deleted file mode 100644 index c49087173f..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/hypervisor.c +++ /dev/null @@ -1,118 +0,0 @@ -/****************************************************************************** - * hypervisor.c - * - * Communication to/from hypervisor. - * - * Copyright (c) 2002, K A Fraser - */ - -#include <linux/config.h> -#include <asm/atomic.h> -#include <linux/irq.h> -#include <asm/hypervisor.h> -#include <asm/system.h> -#include <asm/ptrace.h> - -static unsigned long event_mask = 0; - -void frobb(void) {} - -void do_hypervisor_callback(struct pt_regs *regs) -{ - unsigned long events, flags; - shared_info_t *shared = HYPERVISOR_shared_info; - - do { - /* Specialised local_irq_save(). */ - flags = shared->events_enable; - shared->events_enable = 0; - barrier(); - - events = xchg(&shared->events, 0); - events &= event_mask; - - __asm__ __volatile__ ( - " push %1 ;" - " sub $4,%%esp ;" - " jmp 2f ;" - "1: btrl %%eax,%0 ;" /* clear bit */ - " mov %%eax,(%%esp) ;" - " call do_IRQ ;" /* do_IRQ(event) */ - "2: bsfl %0,%%eax ;" /* %eax == bit # */ - " jnz 1b ;" - " add $8,%%esp ;" - /* we use %ebx because it is callee-saved */ - : : "b" (events), "r" (regs) - /* clobbered by callback function calls */ - : "eax", "ecx", "edx", "memory" ); - - /* Specialised local_irq_restore(). */ - shared->events_enable = flags; - barrier(); - } - while ( shared->events ); -} - - - -/* - * Define interface to generic handling in irq.c - */ - -static unsigned int startup_hypervisor_event(unsigned int irq) -{ - set_bit(irq, &event_mask); - return 0; -} - -static void shutdown_hypervisor_event(unsigned int irq) -{ - clear_bit(irq, &event_mask); -} - -static void enable_hypervisor_event(unsigned int irq) -{ - set_bit(irq, &event_mask); -} - -static void disable_hypervisor_event(unsigned int irq) -{ - clear_bit(irq, &event_mask); -} - -static void ack_hypervisor_event(unsigned int irq) -{ - if ( !(event_mask & (1<<irq)) ) - { - printk("Unexpected hypervisor event %d\n", irq); - atomic_inc(&irq_err_count); - } -} - -static void end_hypervisor_event(unsigned int irq) -{ -} - -static struct hw_interrupt_type hypervisor_irq_type = { - "Hypervisor-event", - startup_hypervisor_event, - shutdown_hypervisor_event, - enable_hypervisor_event, - disable_hypervisor_event, - ack_hypervisor_event, - end_hypervisor_event, - NULL -}; - -void __init init_IRQ(void) -{ - int i; - - for ( i = 0; i < NR_IRQS; i++ ) - { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = 0; - irq_desc[i].depth = 1; - irq_desc[i].handler = &hypervisor_irq_type; - } -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i386_ksyms.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i386_ksyms.c deleted file mode 100644 index a35ef1cc8a..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i386_ksyms.c +++ /dev/null @@ -1,144 +0,0 @@ -#include <linux/config.h> -#include <linux/module.h> -#include <linux/smp.h> -#include <linux/user.h> -#include <linux/elfcore.h> -#include <linux/mca.h> -#include <linux/sched.h> -#include <linux/in6.h> -#include <linux/interrupt.h> -#include <linux/smp_lock.h> -#include <linux/pm.h> -#include <linux/pci.h> -#include <linux/apm_bios.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/tty.h> - -#include <asm/semaphore.h> -#include <asm/processor.h> -#include <asm/i387.h> -#include <asm/uaccess.h> -#include <asm/checksum.h> -#include <asm/io.h> -#include <asm/hardirq.h> -#include <asm/delay.h> -#include <asm/irq.h> -#include <asm/mmx.h> -#include <asm/desc.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> - -extern void dump_thread(struct pt_regs *, struct user *); -extern spinlock_t rtc_lock; - -#ifdef CONFIG_SMP -extern void FASTCALL( __write_lock_failed(rwlock_t *rw)); -extern void FASTCALL( __read_lock_failed(rwlock_t *rw)); -#endif - -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) -extern struct drive_info_struct drive_info; -EXPORT_SYMBOL(drive_info); -#endif - -//extern unsigned long get_cmos_time(void); - -/* platform dependent support */ -EXPORT_SYMBOL(boot_cpu_data); -EXPORT_SYMBOL(MCA_bus); -EXPORT_SYMBOL(__verify_write); -EXPORT_SYMBOL(dump_thread); -EXPORT_SYMBOL(dump_fpu); -EXPORT_SYMBOL(dump_extended_fpu); -EXPORT_SYMBOL(enable_irq); -EXPORT_SYMBOL(disable_irq); -EXPORT_SYMBOL(disable_irq_nosync); -EXPORT_SYMBOL(probe_irq_mask); -EXPORT_SYMBOL(kernel_thread); -EXPORT_SYMBOL(pm_idle); -EXPORT_SYMBOL(pm_power_off); -//EXPORT_SYMBOL(get_cmos_time); -EXPORT_SYMBOL(apm_info); - -#ifdef CONFIG_DEBUG_IOVIRT -EXPORT_SYMBOL(__io_virt_debug); -#endif - -EXPORT_SYMBOL_NOVERS(__down_failed); -EXPORT_SYMBOL_NOVERS(__down_failed_interruptible); -EXPORT_SYMBOL_NOVERS(__down_failed_trylock); -EXPORT_SYMBOL_NOVERS(__up_wakeup); -/* Networking helper routines. */ -EXPORT_SYMBOL(csum_partial_copy_generic); -/* Delay loops */ -EXPORT_SYMBOL(__udelay); -EXPORT_SYMBOL(__delay); -EXPORT_SYMBOL(__const_udelay); - -EXPORT_SYMBOL_NOVERS(__get_user_1); -EXPORT_SYMBOL_NOVERS(__get_user_2); -EXPORT_SYMBOL_NOVERS(__get_user_4); - -EXPORT_SYMBOL(strtok); -EXPORT_SYMBOL(strpbrk); -EXPORT_SYMBOL(simple_strtol); -EXPORT_SYMBOL(strstr); - -EXPORT_SYMBOL(strncpy_from_user); -EXPORT_SYMBOL(__strncpy_from_user); -EXPORT_SYMBOL(clear_user); -EXPORT_SYMBOL(__clear_user); -EXPORT_SYMBOL(__generic_copy_from_user); -EXPORT_SYMBOL(__generic_copy_to_user); -EXPORT_SYMBOL(strnlen_user); - -#ifdef CONFIG_X86_USE_3DNOW -EXPORT_SYMBOL(_mmx_memcpy); -EXPORT_SYMBOL(mmx_clear_page); -EXPORT_SYMBOL(mmx_copy_page); -#endif - -#ifdef CONFIG_SMP -EXPORT_SYMBOL(cpu_data); -EXPORT_SYMBOL(kernel_flag); -EXPORT_SYMBOL(smp_num_cpus); -EXPORT_SYMBOL(cpu_online_map); -EXPORT_SYMBOL_NOVERS(__write_lock_failed); -EXPORT_SYMBOL_NOVERS(__read_lock_failed); - -/* Global SMP irq stuff */ -EXPORT_SYMBOL(synchronize_irq); -EXPORT_SYMBOL(global_irq_holder); -EXPORT_SYMBOL(__global_cli); -EXPORT_SYMBOL(__global_sti); -EXPORT_SYMBOL(__global_save_flags); -EXPORT_SYMBOL(__global_restore_flags); -EXPORT_SYMBOL(smp_call_function); - -/* TLB flushing */ -EXPORT_SYMBOL(flush_tlb_page); -#endif - -#ifdef CONFIG_VT -EXPORT_SYMBOL(screen_info); -#endif - -EXPORT_SYMBOL(get_wchan); - -EXPORT_SYMBOL(rtc_lock); - -#undef memcpy -#undef memset -extern void * memset(void *,int,__kernel_size_t); -extern void * memcpy(void *,const void *,__kernel_size_t); -EXPORT_SYMBOL_NOVERS(memcpy); -EXPORT_SYMBOL_NOVERS(memset); - -#ifdef CONFIG_HAVE_DEC_LOCK -EXPORT_SYMBOL(atomic_dec_and_lock); -#endif - -#ifdef CONFIG_DEBUG_BUGVERBOSE -EXPORT_SYMBOL(do_BUG); -#endif diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i387.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i387.c deleted file mode 100644 index 9b8dfb0581..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/i387.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * linux/arch/i386/kernel/i387.c - * - * Copyright (C) 1994 Linus Torvalds - * - * Pentium III FXSR, SSE support - * General FPU state handling cleanups - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <asm/processor.h> -#include <asm/i387.h> -#include <asm/math_emu.h> -#include <asm/sigcontext.h> -#include <asm/user.h> -#include <asm/ptrace.h> -#include <asm/uaccess.h> - -#define HAVE_HWFP 1 - -/* - * The _current_ task is using the FPU for the first time - * so initialize it and set the mxcsr to its default - * value at reset if we support XMM instructions and then - * remeber the current task has used the FPU. - */ -void init_fpu(void) -{ - __asm__("fninit"); - if ( cpu_has_xmm ) - load_mxcsr(0x1f80); - - current->used_math = 1; -} - -/* - * FPU lazy state save handling. - */ - -static inline void __save_init_fpu( struct task_struct *tsk ) -{ - if ( cpu_has_fxsr ) { - asm volatile( "fxsave %0 ; fnclex" - : "=m" (tsk->thread.i387.fxsave) ); - } else { - asm volatile( "fnsave %0 ; fwait" - : "=m" (tsk->thread.i387.fsave) ); - } - tsk->flags &= ~PF_USEDFPU; -} - -void save_init_fpu( struct task_struct *tsk ) -{ - __save_init_fpu(tsk); - stts(); -} - -void kernel_fpu_begin(void) -{ - struct task_struct *tsk = current; - - if (tsk->flags & PF_USEDFPU) { - __save_init_fpu(tsk); - return; - } - clts(); -} - -void restore_fpu( struct task_struct *tsk ) -{ - if ( cpu_has_fxsr ) { - asm volatile( "fxrstor %0" - : : "m" (tsk->thread.i387.fxsave) ); - } else { - asm volatile( "frstor %0" - : : "m" (tsk->thread.i387.fsave) ); - } -} - -/* - * FPU tag word conversions. - */ - -static inline unsigned short twd_i387_to_fxsr( unsigned short twd ) -{ - unsigned int tmp; /* to avoid 16 bit prefixes in the code */ - - /* Transform each pair of bits into 01 (valid) or 00 (empty) */ - tmp = ~twd; - tmp = (tmp | (tmp>>1)) & 0x5555; /* 0V0V0V0V0V0V0V0V */ - /* and move the valid bits to the lower byte. */ - tmp = (tmp | (tmp >> 1)) & 0x3333; /* 00VV00VV00VV00VV */ - tmp = (tmp | (tmp >> 2)) & 0x0f0f; /* 0000VVVV0000VVVV */ - tmp = (tmp | (tmp >> 4)) & 0x00ff; /* 00000000VVVVVVVV */ - return tmp; -} - -static inline unsigned long twd_fxsr_to_i387( struct i387_fxsave_struct *fxsave ) -{ - struct _fpxreg *st = NULL; - unsigned long twd = (unsigned long) fxsave->twd; - unsigned long tag; - unsigned long ret = 0xffff0000; - int i; - -#define FPREG_ADDR(f, n) ((char *)&(f)->st_space + (n) * 16); - - for ( i = 0 ; i < 8 ; i++ ) { - if ( twd & 0x1 ) { - st = (struct _fpxreg *) FPREG_ADDR( fxsave, i ); - - switch ( st->exponent & 0x7fff ) { - case 0x7fff: - tag = 2; /* Special */ - break; - case 0x0000: - if ( !st->significand[0] && - !st->significand[1] && - !st->significand[2] && - !st->significand[3] ) { - tag = 1; /* Zero */ - } else { - tag = 2; /* Special */ - } - break; - default: - if ( st->significand[3] & 0x8000 ) { - tag = 0; /* Valid */ - } else { - tag = 2; /* Special */ - } - break; - } - } else { - tag = 3; /* Empty */ - } - ret |= (tag << (2 * i)); - twd = twd >> 1; - } - return ret; -} - -/* - * FPU state interaction. - */ - -unsigned short get_fpu_cwd( struct task_struct *tsk ) -{ - if ( cpu_has_fxsr ) { - return tsk->thread.i387.fxsave.cwd; - } else { - return (unsigned short)tsk->thread.i387.fsave.cwd; - } -} - -unsigned short get_fpu_swd( struct task_struct *tsk ) -{ - if ( cpu_has_fxsr ) { - return tsk->thread.i387.fxsave.swd; - } else { - return (unsigned short)tsk->thread.i387.fsave.swd; - } -} - -unsigned short get_fpu_twd( struct task_struct *tsk ) -{ - if ( cpu_has_fxsr ) { - return tsk->thread.i387.fxsave.twd; - } else { - return (unsigned short)tsk->thread.i387.fsave.twd; - } -} - -unsigned short get_fpu_mxcsr( struct task_struct *tsk ) -{ - if ( cpu_has_xmm ) { - return tsk->thread.i387.fxsave.mxcsr; - } else { - return 0x1f80; - } -} - -void set_fpu_cwd( struct task_struct *tsk, unsigned short cwd ) -{ - if ( cpu_has_fxsr ) { - tsk->thread.i387.fxsave.cwd = cwd; - } else { - tsk->thread.i387.fsave.cwd = ((long)cwd | 0xffff0000); - } -} - -void set_fpu_swd( struct task_struct *tsk, unsigned short swd ) -{ - if ( cpu_has_fxsr ) { - tsk->thread.i387.fxsave.swd = swd; - } else { - tsk->thread.i387.fsave.swd = ((long)swd | 0xffff0000); - } -} - -void set_fpu_twd( struct task_struct *tsk, unsigned short twd ) -{ - if ( cpu_has_fxsr ) { - tsk->thread.i387.fxsave.twd = twd_i387_to_fxsr(twd); - } else { - tsk->thread.i387.fsave.twd = ((long)twd | 0xffff0000); - } -} - -void set_fpu_mxcsr( struct task_struct *tsk, unsigned short mxcsr ) -{ - if ( cpu_has_xmm ) { - tsk->thread.i387.fxsave.mxcsr = (mxcsr & 0xffbf); - } -} - -/* - * FXSR floating point environment conversions. - */ - -static inline int convert_fxsr_to_user( struct _fpstate *buf, - struct i387_fxsave_struct *fxsave ) -{ - unsigned long env[7]; - struct _fpreg *to; - struct _fpxreg *from; - int i; - - env[0] = (unsigned long)fxsave->cwd | 0xffff0000; - env[1] = (unsigned long)fxsave->swd | 0xffff0000; - env[2] = twd_fxsr_to_i387(fxsave); - env[3] = fxsave->fip; - env[4] = fxsave->fcs | ((unsigned long)fxsave->fop << 16); - env[5] = fxsave->foo; - env[6] = fxsave->fos; - - if ( __copy_to_user( buf, env, 7 * sizeof(unsigned long) ) ) - return 1; - - to = &buf->_st[0]; - from = (struct _fpxreg *) &fxsave->st_space[0]; - for ( i = 0 ; i < 8 ; i++, to++, from++ ) { - if ( __copy_to_user( to, from, sizeof(*to) ) ) - return 1; - } - return 0; -} - -static inline int convert_fxsr_from_user( struct i387_fxsave_struct *fxsave, - struct _fpstate *buf ) -{ - unsigned long env[7]; - struct _fpxreg *to; - struct _fpreg *from; - int i; - - if ( __copy_from_user( env, buf, 7 * sizeof(long) ) ) - return 1; - - fxsave->cwd = (unsigned short)(env[0] & 0xffff); - fxsave->swd = (unsigned short)(env[1] & 0xffff); - fxsave->twd = twd_i387_to_fxsr((unsigned short)(env[2] & 0xffff)); - fxsave->fip = env[3]; - fxsave->fop = (unsigned short)((env[4] & 0xffff0000) >> 16); - fxsave->fcs = (env[4] & 0xffff); - fxsave->foo = env[5]; - fxsave->fos = env[6]; - - to = (struct _fpxreg *) &fxsave->st_space[0]; - from = &buf->_st[0]; - for ( i = 0 ; i < 8 ; i++, to++, from++ ) { - if ( __copy_from_user( to, from, sizeof(*from) ) ) - return 1; - } - return 0; -} - -/* - * Signal frame handlers. - */ - -static inline int save_i387_fsave( struct _fpstate *buf ) -{ - struct task_struct *tsk = current; - - unlazy_fpu( tsk ); - tsk->thread.i387.fsave.status = tsk->thread.i387.fsave.swd; - if ( __copy_to_user( buf, &tsk->thread.i387.fsave, - sizeof(struct i387_fsave_struct) ) ) - return -1; - return 1; -} - -static inline int save_i387_fxsave( struct _fpstate *buf ) -{ - struct task_struct *tsk = current; - int err = 0; - - unlazy_fpu( tsk ); - - if ( convert_fxsr_to_user( buf, &tsk->thread.i387.fxsave ) ) - return -1; - - err |= __put_user( tsk->thread.i387.fxsave.swd, &buf->status ); - err |= __put_user( X86_FXSR_MAGIC, &buf->magic ); - if ( err ) - return -1; - - if ( __copy_to_user( &buf->_fxsr_env[0], &tsk->thread.i387.fxsave, - sizeof(struct i387_fxsave_struct) ) ) - return -1; - return 1; -} - -int save_i387( struct _fpstate *buf ) -{ - if ( !current->used_math ) - return 0; - - /* This will cause a "finit" to be triggered by the next - * attempted FPU operation by the 'current' process. - */ - current->used_math = 0; - - if ( HAVE_HWFP ) { - if ( cpu_has_fxsr ) { - return save_i387_fxsave( buf ); - } else { - return save_i387_fsave( buf ); - } - } else { - return save_i387_soft( ¤t->thread.i387.soft, buf ); - } -} - -static inline int restore_i387_fsave( struct _fpstate *buf ) -{ - struct task_struct *tsk = current; - clear_fpu( tsk ); - return __copy_from_user( &tsk->thread.i387.fsave, buf, - sizeof(struct i387_fsave_struct) ); -} - -static inline int restore_i387_fxsave( struct _fpstate *buf ) -{ - struct task_struct *tsk = current; - clear_fpu( tsk ); - if ( __copy_from_user( &tsk->thread.i387.fxsave, &buf->_fxsr_env[0], - sizeof(struct i387_fxsave_struct) ) ) - return 1; - /* mxcsr bit 6 and 31-16 must be zero for security reasons */ - tsk->thread.i387.fxsave.mxcsr &= 0xffbf; - return convert_fxsr_from_user( &tsk->thread.i387.fxsave, buf ); -} - -int restore_i387( struct _fpstate *buf ) -{ - int err; - - if ( HAVE_HWFP ) { - if ( cpu_has_fxsr ) { - err = restore_i387_fxsave( buf ); - } else { - err = restore_i387_fsave( buf ); - } - } else { - err = restore_i387_soft( ¤t->thread.i387.soft, buf ); - } - current->used_math = 1; - return err; -} - -/* - * ptrace request handlers. - */ - -static inline int get_fpregs_fsave( struct user_i387_struct *buf, - struct task_struct *tsk ) -{ - return __copy_to_user( buf, &tsk->thread.i387.fsave, - sizeof(struct user_i387_struct) ); -} - -static inline int get_fpregs_fxsave( struct user_i387_struct *buf, - struct task_struct *tsk ) -{ - return convert_fxsr_to_user( (struct _fpstate *)buf, - &tsk->thread.i387.fxsave ); -} - -int get_fpregs( struct user_i387_struct *buf, struct task_struct *tsk ) -{ - if ( HAVE_HWFP ) { - if ( cpu_has_fxsr ) { - return get_fpregs_fxsave( buf, tsk ); - } else { - return get_fpregs_fsave( buf, tsk ); - } - } else { - return save_i387_soft( &tsk->thread.i387.soft, - (struct _fpstate *)buf ); - } -} - -static inline int set_fpregs_fsave( struct task_struct *tsk, - struct user_i387_struct *buf ) -{ - return __copy_from_user( &tsk->thread.i387.fsave, buf, - sizeof(struct user_i387_struct) ); -} - -static inline int set_fpregs_fxsave( struct task_struct *tsk, - struct user_i387_struct *buf ) -{ - return convert_fxsr_from_user( &tsk->thread.i387.fxsave, - (struct _fpstate *)buf ); -} - -int set_fpregs( struct task_struct *tsk, struct user_i387_struct *buf ) -{ - if ( HAVE_HWFP ) { - if ( cpu_has_fxsr ) { - return set_fpregs_fxsave( tsk, buf ); - } else { - return set_fpregs_fsave( tsk, buf ); - } - } else { - return restore_i387_soft( &tsk->thread.i387.soft, - (struct _fpstate *)buf ); - } -} - -int get_fpxregs( struct user_fxsr_struct *buf, struct task_struct *tsk ) -{ - if ( cpu_has_fxsr ) { - if (__copy_to_user( (void *)buf, &tsk->thread.i387.fxsave, - sizeof(struct user_fxsr_struct) )) - return -EFAULT; - return 0; - } else { - return -EIO; - } -} - -int set_fpxregs( struct task_struct *tsk, struct user_fxsr_struct *buf ) -{ - if ( cpu_has_fxsr ) { - __copy_from_user( &tsk->thread.i387.fxsave, (void *)buf, - sizeof(struct user_fxsr_struct) ); - /* mxcsr bit 6 and 31-16 must be zero for security reasons */ - tsk->thread.i387.fxsave.mxcsr &= 0xffbf; - return 0; - } else { - return -EIO; - } -} - -/* - * FPU state for core dumps. - */ - -static inline void copy_fpu_fsave( struct task_struct *tsk, - struct user_i387_struct *fpu ) -{ - memcpy( fpu, &tsk->thread.i387.fsave, - sizeof(struct user_i387_struct) ); -} - -static inline void copy_fpu_fxsave( struct task_struct *tsk, - struct user_i387_struct *fpu ) -{ - unsigned short *to; - unsigned short *from; - int i; - - memcpy( fpu, &tsk->thread.i387.fxsave, 7 * sizeof(long) ); - - to = (unsigned short *)&fpu->st_space[0]; - from = (unsigned short *)&tsk->thread.i387.fxsave.st_space[0]; - for ( i = 0 ; i < 8 ; i++, to += 5, from += 8 ) { - memcpy( to, from, 5 * sizeof(unsigned short) ); - } -} - -int dump_fpu( struct pt_regs *regs, struct user_i387_struct *fpu ) -{ - int fpvalid; - struct task_struct *tsk = current; - - fpvalid = tsk->used_math; - if ( fpvalid ) { - unlazy_fpu( tsk ); - if ( cpu_has_fxsr ) { - copy_fpu_fxsave( tsk, fpu ); - } else { - copy_fpu_fsave( tsk, fpu ); - } - } - - return fpvalid; -} - -int dump_extended_fpu( struct pt_regs *regs, struct user_fxsr_struct *fpu ) -{ - int fpvalid; - struct task_struct *tsk = current; - - fpvalid = tsk->used_math && cpu_has_fxsr; - if ( fpvalid ) { - unlazy_fpu( tsk ); - memcpy( fpu, &tsk->thread.i387.fxsave, - sizeof(struct user_fxsr_struct) ); - } - - return fpvalid; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/init_task.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/init_task.c deleted file mode 100644 index 7779809ef2..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/init_task.c +++ /dev/null @@ -1,33 +0,0 @@ -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/init.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/desc.h> - -static struct fs_struct init_fs = INIT_FS; -static struct files_struct init_files = INIT_FILES; -static struct signal_struct init_signals = INIT_SIGNALS; -struct mm_struct init_mm = INIT_MM(init_mm); - -/* - * Initial task structure. - * - * We need to make sure that this is 8192-byte aligned due to the - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ -union task_union init_task_union - __attribute__((__section__(".data.init_task"))) = - { INIT_TASK(init_task_union.task) }; - -/* - * per-CPU TSS segments. Threads are completely 'soft' on Linux, - * no more per-task TSS's. The TSS size is kept cacheline-aligned - * so they are allowed to end up in the .data.cacheline_aligned - * section. Since TSS's are completely CPU-local, we want them - * on exact cacheline boundaries, to eliminate cacheline ping-pong. - */ -struct tss_struct init_tss[NR_CPUS] __cacheline_aligned = { [0 ... NR_CPUS-1] = INIT_TSS }; - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ioport.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ioport.c deleted file mode 100644 index 6bce25aec0..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ioport.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/stddef.h> - - -asmlinkage int sys_ioperm(unsigned long from, unsigned long num, int turn_on) -{ - /* No IO permission! */ - return -EPERM; -} - - -asmlinkage int sys_iopl(unsigned long unused) -{ - /* The hypervisor won't allow it! */ - return -EPERM; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/irq.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/irq.c deleted file mode 100644 index 7c855904ae..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/irq.c +++ /dev/null @@ -1,1129 +0,0 @@ -/* - * linux/arch/i386/kernel/irq.c - * - * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar - * - * This file contains the code used by various IRQ handling routines: - * asking for different IRQ's should be done through these routines - * instead of just grabbing them. Thus setups with different IRQ numbers - * shouldn't result in any weird surprises, and installing new handlers - * should be easier. - */ - -/* - * (mostly architecture independent, will move to kernel/irq.c in 2.5.) - * - * IRQs are in fact implemented a bit like signal handlers for the kernel. - * Naturally it's not a 1:1 relation, but there are similarities. - */ - -#include <linux/config.h> -#include <linux/ptrace.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/timex.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/smp_lock.h> -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/irq.h> -#include <linux/proc_fs.h> -#include <linux/kdb.h> - -#include <asm/atomic.h> -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/system.h> -#include <asm/bitops.h> -#include <asm/uaccess.h> -#include <asm/pgalloc.h> -#include <asm/delay.h> -#include <asm/desc.h> -#include <asm/irq.h> - - - -/* - * Linux has a controller-independent x86 interrupt architecture. - * every controller has a 'controller-template', that is used - * by the main code to do the right thing. Each driver-visible - * interrupt source is transparently wired to the apropriate - * controller. Thus drivers need not be aware of the - * interrupt-controller. - * - * Various interrupt controllers we handle: 8259 PIC, SMP IO-APIC, - * PIIX4's internal 8259 PIC and SGI's Visual Workstation Cobalt (IO-)APIC. - * (IO-APICs assumed to be messaging to Pentium local-APICs) - * - * the code is designed to be easily extended with new/different - * interrupt controllers, without having to do assembly magic. - */ - -/* - * Controller mappings for all interrupt sources: - */ -irq_desc_t irq_desc[NR_IRQS] __cacheline_aligned = - { [0 ... NR_IRQS-1] = { 0, &no_irq_type, NULL, 0, SPIN_LOCK_UNLOCKED}}; - -static void register_irq_proc (unsigned int irq); - -/* - * Special irq handlers. - */ - -void no_action(int cpl, void *dev_id, struct pt_regs *regs) { } - -/* - * Generic no controller code - */ - -static void enable_none(unsigned int irq) { } -static unsigned int startup_none(unsigned int irq) { return 0; } -static void disable_none(unsigned int irq) { } -static void ack_none(unsigned int irq) -{ - printk("unexpected IRQ trap at vector %02x\n", irq); -} - -/* startup is the same as "enable", shutdown is same as "disable" */ -#define shutdown_none disable_none -#define end_none enable_none - -struct hw_interrupt_type no_irq_type = { - "none", - startup_none, - shutdown_none, - enable_none, - disable_none, - ack_none, - end_none -}; - -atomic_t irq_err_count; -#ifdef CONFIG_X86_IO_APIC -#ifdef APIC_MISMATCH_DEBUG -atomic_t irq_mis_count; -#endif -#endif - -/* - * Generic, controller-independent functions: - */ - -int get_irq_list(char *buf) -{ - int i, j; - struct irqaction * action; - char *p = buf; - - p += sprintf(p, " "); - for (j=0; j<smp_num_cpus; j++) - p += sprintf(p, "CPU%d ",j); - *p++ = '\n'; - - for (i = 0 ; i < NR_IRQS ; i++) { - action = irq_desc[i].action; - if (!action) - continue; - p += sprintf(p, "%3d: ",i); -#ifndef CONFIG_SMP - p += sprintf(p, "%10u ", kstat_irqs(i)); -#else - for (j = 0; j < smp_num_cpus; j++) - p += sprintf(p, "%10u ", - kstat.irqs[cpu_logical_map(j)][i]); -#endif - p += sprintf(p, " %14s", irq_desc[i].handler->typename); - p += sprintf(p, " %s", action->name); - - for (action=action->next; action; action = action->next) - p += sprintf(p, ", %s", action->name); - *p++ = '\n'; - } - p += sprintf(p, "NMI: "); - for (j = 0; j < smp_num_cpus; j++) - p += sprintf(p, "%10u ", - nmi_count(cpu_logical_map(j))); - p += sprintf(p, "\n"); -#if CONFIG_X86_LOCAL_APIC - p += sprintf(p, "LOC: "); - for (j = 0; j < smp_num_cpus; j++) - p += sprintf(p, "%10u ", - apic_timer_irqs[cpu_logical_map(j)]); - p += sprintf(p, "\n"); -#endif - p += sprintf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); -#ifdef CONFIG_X86_IO_APIC -#ifdef APIC_MISMATCH_DEBUG - p += sprintf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); -#endif -#endif - return p - buf; -} - - -/* - * Global interrupt locks for SMP. Allow interrupts to come in on any - * CPU, yet make cli/sti act globally to protect critical regions.. - */ - -#ifdef CONFIG_SMP -unsigned char global_irq_holder = NO_PROC_ID; -unsigned volatile long global_irq_lock; /* pendantic: long for set_bit --RR */ - -extern void show_stack(unsigned long* esp); - -static void show(char * str) -{ - int i; - int cpu = smp_processor_id(); - - printk("\n%s, CPU %d:\n", str, cpu); - printk("irq: %d [",irqs_running()); - for(i=0;i < smp_num_cpus;i++) - printk(" %d",local_irq_count(i)); - printk(" ]\nbh: %d [",spin_is_locked(&global_bh_lock) ? 1 : 0); - for(i=0;i < smp_num_cpus;i++) - printk(" %d",local_bh_count(i)); - - printk(" ]\nStack dumps:"); - for(i = 0; i < smp_num_cpus; i++) { - unsigned long esp; - if (i == cpu) - continue; - printk("\nCPU %d:",i); - esp = init_tss[i].esp0; - if (!esp) { - /* tss->esp0 is set to NULL in cpu_init(), - * it's initialized when the cpu returns to user - * space. -- manfreds - */ - printk(" <unknown> "); - continue; - } - esp &= ~(THREAD_SIZE-1); - esp += sizeof(struct task_struct); - show_stack((void*)esp); - } - printk("\nCPU %d:",cpu); - show_stack(NULL); - printk("\n"); -} - -#define MAXCOUNT 100000000 - -/* - * I had a lockup scenario where a tight loop doing - * spin_unlock()/spin_lock() on CPU#1 was racing with - * spin_lock() on CPU#0. CPU#0 should have noticed spin_unlock(), but - * apparently the spin_unlock() information did not make it - * through to CPU#0 ... nasty, is this by design, do we have to limit - * 'memory update oscillation frequency' artificially like here? - * - * Such 'high frequency update' races can be avoided by careful design, but - * some of our major constructs like spinlocks use similar techniques, - * it would be nice to clarify this issue. Set this define to 0 if you - * want to check whether your system freezes. I suspect the delay done - * by SYNC_OTHER_CORES() is in correlation with 'snooping latency', but - * i thought that such things are guaranteed by design, since we use - * the 'LOCK' prefix. - */ -#define SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND 0 - -#if SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND -# define SYNC_OTHER_CORES(x) udelay(x+1) -#else -/* - * We have to allow irqs to arrive between __sti and __cli - */ -# define SYNC_OTHER_CORES(x) __asm__ __volatile__ ("nop") -#endif - -static inline void wait_on_irq(int cpu) -{ - int count = MAXCOUNT; - - for (;;) { - - /* - * Wait until all interrupts are gone. Wait - * for bottom half handlers unless we're - * already executing in one.. - */ - if (!irqs_running()) - if (local_bh_count(cpu) || !spin_is_locked(&global_bh_lock)) - break; - - /* Duh, we have to loop. Release the lock to avoid deadlocks */ - clear_bit(0,&global_irq_lock); - - for (;;) { - if (!--count) { - show("wait_on_irq"); - count = ~0; - } - __sti(); - SYNC_OTHER_CORES(cpu); - __cli(); - if (irqs_running()) - continue; - if (global_irq_lock) - continue; - if (!local_bh_count(cpu) && spin_is_locked(&global_bh_lock)) - continue; - if (!test_and_set_bit(0,&global_irq_lock)) - break; - } - } -} - -/* - * This is called when we want to synchronize with - * interrupts. We may for example tell a device to - * stop sending interrupts: but to make sure there - * are no interrupts that are executing on another - * CPU we need to call this function. - */ -void synchronize_irq(void) -{ - if (irqs_running()) { - /* Stupid approach */ - cli(); - sti(); - } -} - -static inline void get_irqlock(int cpu) -{ -#ifdef CONFIG_KDB - static int kdb_rate; - if (KDB_IS_RUNNING() && kdb_rate++ < 10) - kdb_printf("Warning: get_irqlock on cpu %d while kdb is running, may hang\n", smp_processor_id()); -#endif /* CONFIG_KDB */ - if (test_and_set_bit(0,&global_irq_lock)) { - /* do we already hold the lock? */ - if ((unsigned char) cpu == global_irq_holder) - return; - /* Uhhuh.. Somebody else got it. Wait.. */ - do { - do { - rep_nop(); - } while (test_bit(0,&global_irq_lock)); - } while (test_and_set_bit(0,&global_irq_lock)); - } - /* - * We also to make sure that nobody else is running - * in an interrupt context. - */ - wait_on_irq(cpu); - - /* - * Ok, finally.. - */ - global_irq_holder = cpu; -} - -void __global_cli(void) -{ - panic("__global_cli"); -} - -void __global_sti(void) -{ - panic("__global_sti"); -} - -/* - * SMP flags value to restore to: - * 0 - global cli - * 1 - global sti - * 2 - local cli - * 3 - local sti - */ -unsigned long __global_save_flags(void) -{ - panic("__global_save_flags"); -} - -void __global_restore_flags(unsigned long flags) -{ - panic("__global_restore_flags"); -} - -#endif - -/* - * This should really return information about whether - * we should do bottom half handling etc. Right now we - * end up _always_ checking the bottom half, which is a - * waste of time and is not what some drivers would - * prefer. - */ -int handle_IRQ_event(unsigned int irq, struct pt_regs * regs, struct irqaction * action) -{ - int status; - int cpu = smp_processor_id(); - - irq_enter(cpu, irq); - - status = 1; /* Force the "do bottom halves" bit */ - - if (!(action->flags & SA_INTERRUPT)) - __sti(); - - do { - status |= action->flags; - action->handler(irq, action->dev_id, regs); - action = action->next; - } while (action); - if (status & SA_SAMPLE_RANDOM) - add_interrupt_randomness(irq); - __cli(); - - irq_exit(cpu, irq); - - return status; -} - -/* - * Generic enable/disable code: this just calls - * down into the PIC-specific version for the actual - * hardware disable after having gotten the irq - * controller lock. - */ - -/** - * disable_irq_nosync - disable an irq without waiting - * @irq: Interrupt to disable - * - * Disable the selected interrupt line. Disables and Enables are - * nested. - * Unlike disable_irq(), this function does not ensure existing - * instances of the IRQ handler have completed before returning. - * - * This function may be called from IRQ context. - */ - -inline void disable_irq_nosync(unsigned int irq) -{ - irq_desc_t *desc = irq_desc + irq; - unsigned long flags; - - spin_lock_irqsave(&desc->lock, flags); - if (!desc->depth++) { - desc->status |= IRQ_DISABLED; - desc->handler->disable(irq); - } - spin_unlock_irqrestore(&desc->lock, flags); -} - -/** - * disable_irq - disable an irq and wait for completion - * @irq: Interrupt to disable - * - * Disable the selected interrupt line. Enables and Disables are - * nested. - * This function waits for any pending IRQ handlers for this interrupt - * to complete before returning. If you use this function while - * holding a resource the IRQ handler may need you will deadlock. - * - * This function may be called - with care - from IRQ context. - */ - -void disable_irq(unsigned int irq) -{ - disable_irq_nosync(irq); - - if (!local_irq_count(smp_processor_id())) { - do { - barrier(); - cpu_relax(); - } while (irq_desc[irq].status & IRQ_INPROGRESS); - } -} - -/** - * enable_irq - enable handling of an irq - * @irq: Interrupt to enable - * - * Undoes the effect of one call to disable_irq(). If this - * matches the last disable, processing of interrupts on this - * IRQ line is re-enabled. - * - * This function may be called from IRQ context. - */ - -void enable_irq(unsigned int irq) -{ - irq_desc_t *desc = irq_desc + irq; - unsigned long flags; - - spin_lock_irqsave(&desc->lock, flags); - switch (desc->depth) { - case 1: { - unsigned int status = desc->status & ~IRQ_DISABLED; - desc->status = status; - if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { - desc->status = status | IRQ_REPLAY; - hw_resend_irq(desc->handler,irq); - } - desc->handler->enable(irq); - /* fall-through */ - } - default: - desc->depth--; - break; - case 0: - printk("enable_irq(%u) unbalanced from %p\n", irq, - __builtin_return_address(0)); - } - spin_unlock_irqrestore(&desc->lock, flags); -} - -/* - * do_IRQ handles all normal device IRQ's (the special - * SMP cross-CPU interrupts have their own specific - * handlers). - */ -asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs) -{ - /* - * We ack quickly, we don't want the irq controller - * thinking we're snobs just because some other CPU has - * disabled global interrupts (we have already done the - * INT_ACK cycles, it's too late to try to pretend to the - * controller that we aren't taking the interrupt). - * - * 0 return value means that this irq is already being - * handled by some other CPU. (or is disabled) - */ - int cpu = smp_processor_id(); - irq_desc_t *desc = irq_desc + irq; - struct irqaction * action; - unsigned int status; - - kstat.irqs[cpu][irq]++; - spin_lock(&desc->lock); - desc->handler->ack(irq); - /* - REPLAY is when Linux resends an IRQ that was dropped earlier - WAITING is used by probe to mark irqs that are being tested - */ - status = desc->status & ~(IRQ_REPLAY | IRQ_WAITING); - status |= IRQ_PENDING; /* we _want_ to handle it */ - - /* - * If the IRQ is disabled for whatever reason, we cannot - * use the action we have. - */ - action = NULL; - if (!(status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - action = desc->action; - status &= ~IRQ_PENDING; /* we commit to handling */ - status |= IRQ_INPROGRESS; /* we are handling it */ - } - desc->status = status; - - /* - * If there is no IRQ handler or it was disabled, exit early. - Since we set PENDING, if another processor is handling - a different instance of this same irq, the other processor - will take care of it. - */ - if (!action) - goto out; - - /* - * Edge triggered interrupts need to remember - * pending events. - * This applies to any hw interrupts that allow a second - * instance of the same irq to arrive while we are in do_IRQ - * or in the handler. But the code here only handles the _second_ - * instance of the irq, not the third or fourth. So it is mostly - * useful for irq hardware that does not mask cleanly in an - * SMP environment. - */ - for (;;) { - spin_unlock(&desc->lock); - handle_IRQ_event(irq, regs, action); - spin_lock(&desc->lock); - - if (!(desc->status & IRQ_PENDING)) - break; - desc->status &= ~IRQ_PENDING; - } - desc->status &= ~IRQ_INPROGRESS; -out: - /* - * The ->end() handler has to deal with interrupts which got - * disabled while the handler was running. - */ - desc->handler->end(irq); - spin_unlock(&desc->lock); - - if (softirq_pending(cpu)) - do_softirq(); - - return 1; -} - -/** - * request_irq - allocate an interrupt line - * @irq: Interrupt line to allocate - * @handler: Function to be called when the IRQ occurs - * @irqflags: Interrupt type flags - * @devname: An ascii name for the claiming device - * @dev_id: A cookie passed back to the handler function - * - * This call allocates interrupt resources and enables the - * interrupt line and IRQ handling. From the point this - * call is made your handler function may be invoked. Since - * your handler function must clear any interrupt the board - * raises, you must take care both to initialise your hardware - * and to set up the interrupt handler in the right order. - * - * Dev_id must be globally unique. Normally the address of the - * device data structure is used as the cookie. Since the handler - * receives this value it makes sense to use it. - * - * If your interrupt is shared you must pass a non NULL dev_id - * as this is required when freeing the interrupt. - * - * Flags: - * - * SA_SHIRQ Interrupt is shared - * - * SA_INTERRUPT Disable local interrupts while processing - * - * SA_SAMPLE_RANDOM The interrupt can be used for entropy - * - */ - -int request_irq(unsigned int irq, - void (*handler)(int, void *, struct pt_regs *), - unsigned long irqflags, - const char * devname, - void *dev_id) -{ - int retval; - struct irqaction * action; - -#if 1 - /* - * Sanity-check: shared interrupts should REALLY pass in - * a real dev-ID, otherwise we'll have trouble later trying - * to figure out which interrupt is which (messes up the - * interrupt freeing logic etc). - */ - if (irqflags & SA_SHIRQ) { - if (!dev_id) - printk("Bad boy: %s (at 0x%x) called us without a dev_id!\n", devname, (&irq)[-1]); - } -#endif - - if (irq >= NR_IRQS) - return -EINVAL; - if (!handler) - return -EINVAL; - - action = (struct irqaction *) - kmalloc(sizeof(struct irqaction), GFP_KERNEL); - if (!action) - return -ENOMEM; - - action->handler = handler; - action->flags = irqflags; - action->mask = 0; - action->name = devname; - action->next = NULL; - action->dev_id = dev_id; - - retval = setup_irq(irq, action); - if (retval) - kfree(action); - return retval; -} - -/** - * free_irq - free an interrupt - * @irq: Interrupt line to free - * @dev_id: Device identity to free - * - * Remove an interrupt handler. The handler is removed and if the - * interrupt line is no longer in use by any driver it is disabled. - * On a shared IRQ the caller must ensure the interrupt is disabled - * on the card it drives before calling this function. The function - * does not return until any executing interrupts for this IRQ - * have completed. - * - * This function may be called from interrupt context. - * - * Bugs: Attempting to free an irq in a handler for the same irq hangs - * the machine. - */ - -void free_irq(unsigned int irq, void *dev_id) -{ - irq_desc_t *desc; - struct irqaction **p; - unsigned long flags; - - if (irq >= NR_IRQS) - return; - - desc = irq_desc + irq; - spin_lock_irqsave(&desc->lock,flags); - p = &desc->action; - for (;;) { - struct irqaction * action = *p; - if (action) { - struct irqaction **pp = p; - p = &action->next; - if (action->dev_id != dev_id) - continue; - - /* Found it - now remove it from the list of entries */ - *pp = action->next; - if (!desc->action) { - desc->status |= IRQ_DISABLED; - desc->handler->shutdown(irq); - } - spin_unlock_irqrestore(&desc->lock,flags); - -#ifdef CONFIG_SMP - /* Wait to make sure it's not being used on another CPU */ - while (desc->status & IRQ_INPROGRESS) { - barrier(); - cpu_relax(); - } -#endif - kfree(action); - return; - } - printk("Trying to free free IRQ%d\n",irq); - spin_unlock_irqrestore(&desc->lock,flags); - return; - } -} - -/* - * IRQ autodetection code.. - * - * This depends on the fact that any interrupt that - * comes in on to an unassigned handler will get stuck - * with "IRQ_WAITING" cleared and the interrupt - * disabled. - */ - -static DECLARE_MUTEX(probe_sem); - -/** - * probe_irq_on - begin an interrupt autodetect - * - * Commence probing for an interrupt. The interrupts are scanned - * and a mask of potential interrupt lines is returned. - * - */ - -unsigned long probe_irq_on(void) -{ - unsigned int i; - irq_desc_t *desc; - unsigned long val; - unsigned long delay; - - down(&probe_sem); - /* - * something may have generated an irq long ago and we want to - * flush such a longstanding irq before considering it as spurious. - */ - for (i = NR_IRQS-1; i > 0; i--) { - desc = irq_desc + i; - - spin_lock_irq(&desc->lock); - if (!irq_desc[i].action) - irq_desc[i].handler->startup(i); - spin_unlock_irq(&desc->lock); - } - - /* Wait for longstanding interrupts to trigger. */ - for (delay = jiffies + HZ/50; time_after(delay, jiffies); ) - /* about 20ms delay */ synchronize_irq(); - - /* - * enable any unassigned irqs - * (we must startup again here because if a longstanding irq - * happened in the previous stage, it may have masked itself) - */ - for (i = NR_IRQS-1; i > 0; i--) { - desc = irq_desc + i; - - spin_lock_irq(&desc->lock); - if (!desc->action) { - desc->status |= IRQ_AUTODETECT | IRQ_WAITING; - if (desc->handler->startup(i)) - desc->status |= IRQ_PENDING; - } - spin_unlock_irq(&desc->lock); - } - - /* - * Wait for spurious interrupts to trigger - */ - for (delay = jiffies + HZ/10; time_after(delay, jiffies); ) - /* about 100ms delay */ synchronize_irq(); - - /* - * Now filter out any obviously spurious interrupts - */ - val = 0; - for (i = 0; i < NR_IRQS; i++) { - irq_desc_t *desc = irq_desc + i; - unsigned int status; - - spin_lock_irq(&desc->lock); - status = desc->status; - - if (status & IRQ_AUTODETECT) { - /* It triggered already - consider it spurious. */ - if (!(status & IRQ_WAITING)) { - desc->status = status & ~IRQ_AUTODETECT; - desc->handler->shutdown(i); - } else - if (i < 32) - val |= 1 << i; - } - spin_unlock_irq(&desc->lock); - } - - return val; -} - -/* - * Return a mask of triggered interrupts (this - * can handle only legacy ISA interrupts). - */ - -/** - * probe_irq_mask - scan a bitmap of interrupt lines - * @val: mask of interrupts to consider - * - * Scan the ISA bus interrupt lines and return a bitmap of - * active interrupts. The interrupt probe logic state is then - * returned to its previous value. - * - * Note: we need to scan all the irq's even though we will - * only return ISA irq numbers - just so that we reset them - * all to a known state. - */ -unsigned int probe_irq_mask(unsigned long val) -{ - int i; - unsigned int mask; - - mask = 0; - for (i = 0; i < NR_IRQS; i++) { - irq_desc_t *desc = irq_desc + i; - unsigned int status; - - spin_lock_irq(&desc->lock); - status = desc->status; - - if (status & IRQ_AUTODETECT) { - if (i < 16 && !(status & IRQ_WAITING)) - mask |= 1 << i; - - desc->status = status & ~IRQ_AUTODETECT; - desc->handler->shutdown(i); - } - spin_unlock_irq(&desc->lock); - } - up(&probe_sem); - - return mask & val; -} - -/* - * Return the one interrupt that triggered (this can - * handle any interrupt source). - */ - -/** - * probe_irq_off - end an interrupt autodetect - * @val: mask of potential interrupts (unused) - * - * Scans the unused interrupt lines and returns the line which - * appears to have triggered the interrupt. If no interrupt was - * found then zero is returned. If more than one interrupt is - * found then minus the first candidate is returned to indicate - * their is doubt. - * - * The interrupt probe logic state is returned to its previous - * value. - * - * BUGS: When used in a module (which arguably shouldnt happen) - * nothing prevents two IRQ probe callers from overlapping. The - * results of this are non-optimal. - */ - -int probe_irq_off(unsigned long val) -{ - int i, irq_found, nr_irqs; - - nr_irqs = 0; - irq_found = 0; - for (i = 0; i < NR_IRQS; i++) { - irq_desc_t *desc = irq_desc + i; - unsigned int status; - - spin_lock_irq(&desc->lock); - status = desc->status; - - if (status & IRQ_AUTODETECT) { - if (!(status & IRQ_WAITING)) { - if (!nr_irqs) - irq_found = i; - nr_irqs++; - } - desc->status = status & ~IRQ_AUTODETECT; - desc->handler->shutdown(i); - } - spin_unlock_irq(&desc->lock); - } - up(&probe_sem); - - if (nr_irqs > 1) - irq_found = -irq_found; - return irq_found; -} - -/* this was setup_x86_irq but it seems pretty generic */ -int setup_irq(unsigned int irq, struct irqaction * new) -{ - int shared = 0; - unsigned long flags; - struct irqaction *old, **p; - irq_desc_t *desc = irq_desc + irq; - - /* - * Some drivers like serial.c use request_irq() heavily, - * so we have to be careful not to interfere with a - * running system. - */ - if (new->flags & SA_SAMPLE_RANDOM) { - /* - * This function might sleep, we want to call it first, - * outside of the atomic block. - * Yes, this might clear the entropy pool if the wrong - * driver is attempted to be loaded, without actually - * installing a new handler, but is this really a problem, - * only the sysadmin is able to do this. - */ - rand_initialize_irq(irq); - } - - /* - * The following block of code has to be executed atomically - */ - spin_lock_irqsave(&desc->lock,flags); - p = &desc->action; - if ((old = *p) != NULL) { - /* Can't share interrupts unless both agree to */ - if (!(old->flags & new->flags & SA_SHIRQ)) { - spin_unlock_irqrestore(&desc->lock,flags); - return -EBUSY; - } - - /* add new interrupt at end of irq queue */ - do { - p = &old->next; - old = *p; - } while (old); - shared = 1; - } - - *p = new; - - if (!shared) { - desc->depth = 0; - desc->status &= ~(IRQ_DISABLED | IRQ_AUTODETECT | IRQ_WAITING); - desc->handler->startup(irq); - } - spin_unlock_irqrestore(&desc->lock,flags); - - register_irq_proc(irq); - return 0; -} - -static struct proc_dir_entry * root_irq_dir; -static struct proc_dir_entry * irq_dir [NR_IRQS]; - -#define HEX_DIGITS 8 - -static unsigned int parse_hex_value (const char *buffer, - unsigned long count, unsigned long *ret) -{ - unsigned char hexnum [HEX_DIGITS]; - unsigned long value; - int i; - - if (!count) - return -EINVAL; - if (count > HEX_DIGITS) - count = HEX_DIGITS; - if (copy_from_user(hexnum, buffer, count)) - return -EFAULT; - - /* - * Parse the first 8 characters as a hex string, any non-hex char - * is end-of-string. '00e1', 'e1', '00E1', 'E1' are all the same. - */ - value = 0; - - for (i = 0; i < count; i++) { - unsigned int c = hexnum[i]; - - switch (c) { - case '0' ... '9': c -= '0'; break; - case 'a' ... 'f': c -= 'a'-10; break; - case 'A' ... 'F': c -= 'A'-10; break; - default: - goto out; - } - value = (value << 4) | c; - } -out: - *ret = value; - return 0; -} - -#if CONFIG_SMP - -static struct proc_dir_entry * smp_affinity_entry [NR_IRQS]; - -static unsigned long irq_affinity [NR_IRQS] = { [0 ... NR_IRQS-1] = ~0UL }; -static int irq_affinity_read_proc (char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - if (count < HEX_DIGITS+1) - return -EINVAL; - return sprintf (page, "%08lx\n", irq_affinity[(long)data]); -} - -static int irq_affinity_write_proc (struct file *file, const char *buffer, - unsigned long count, void *data) -{ - int irq = (long) data, full_count = count, err; - unsigned long new_value; - - if (!irq_desc[irq].handler->set_affinity) - return -EIO; - - err = parse_hex_value(buffer, count, &new_value); - - /* - * Do not allow disabling IRQs completely - it's a too easy - * way to make the system unusable accidentally :-) At least - * one online CPU still has to be targeted. - */ - if (!(new_value & cpu_online_map)) - return -EINVAL; - - irq_affinity[irq] = new_value; - irq_desc[irq].handler->set_affinity(irq, new_value); - - return full_count; -} - -#endif - -static int prof_cpu_mask_read_proc (char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - unsigned long *mask = (unsigned long *) data; - if (count < HEX_DIGITS+1) - return -EINVAL; - return sprintf (page, "%08lx\n", *mask); -} - -static int prof_cpu_mask_write_proc (struct file *file, const char *buffer, - unsigned long count, void *data) -{ - unsigned long *mask = (unsigned long *) data, full_count = count, err; - unsigned long new_value; - - err = parse_hex_value(buffer, count, &new_value); - if (err) - return err; - - *mask = new_value; - return full_count; -} - -#define MAX_NAMELEN 10 - -static void register_irq_proc (unsigned int irq) -{ - char name [MAX_NAMELEN]; - - if (!root_irq_dir || (irq_desc[irq].handler == &no_irq_type) || - irq_dir[irq]) - return; - - memset(name, 0, MAX_NAMELEN); - sprintf(name, "%d", irq); - - /* create /proc/irq/1234 */ - irq_dir[irq] = proc_mkdir(name, root_irq_dir); - -#if CONFIG_SMP - { - struct proc_dir_entry *entry; - - /* create /proc/irq/1234/smp_affinity */ - entry = create_proc_entry("smp_affinity", 0600, irq_dir[irq]); - - if (entry) { - entry->nlink = 1; - entry->data = (void *)(long)irq; - entry->read_proc = irq_affinity_read_proc; - entry->write_proc = irq_affinity_write_proc; - } - - smp_affinity_entry[irq] = entry; - } -#endif -} - -unsigned long prof_cpu_mask = -1; - -void init_irq_proc (void) -{ - struct proc_dir_entry *entry; - int i; - - /* create /proc/irq */ - root_irq_dir = proc_mkdir("irq", 0); - - /* create /proc/irq/prof_cpu_mask */ - entry = create_proc_entry("prof_cpu_mask", 0600, root_irq_dir); - - if (!entry) - return; - - entry->nlink = 1; - entry->data = (void *)&prof_cpu_mask; - entry->read_proc = prof_cpu_mask_read_proc; - entry->write_proc = prof_cpu_mask_write_proc; - - /* - * Create entries for all existing IRQs. - */ - for (i = 0; i < NR_IRQS; i++) - register_irq_proc(i); -} - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ldt.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ldt.c deleted file mode 100644 index 6c93943036..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ldt.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * linux/kernel/ldt.c - * - * Copyright (C) 1992 Krishna Balasubramanian and Linus Torvalds - * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com> - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/mm.h> - -/* - * XXX KAF (28/7/02): This stuff is only used for DOS emulation, and is - * the default way of finding current TCB in linuxthreads. Supporting - * table update svia the hypervisor is feasible, but a hassle: for now, - * recompiling linuxthreads is the most sensible option. - * - * Oh, this may become an issue depending on what JVM we use for - * running the xeno-daemon. - */ - -asmlinkage int sys_modify_ldt(int func, void *ptr, unsigned long bytecount) -{ - return -ENOSYS; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/process.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/process.c deleted file mode 100644 index 87c52056f6..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/process.c +++ /dev/null @@ -1,454 +0,0 @@ -/* - * linux/arch/i386/kernel/process.c - * - * Copyright (C) 1995 Linus Torvalds - * - * Pentium III FXSR, SSE support - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -/* - * This file handles the architecture-dependent parts of process handling.. - */ - -#define __KERNEL_SYSCALLS__ -#include <stdarg.h> - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/user.h> -#include <linux/a.out.h> -#include <linux/interrupt.h> -#include <linux/config.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/init.h> -#include <linux/mc146818rtc.h> -#include <linux/kdb.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/ldt.h> -#include <asm/processor.h> -#include <asm/i387.h> -#include <asm/desc.h> -#include <asm/mmu_context.h> - -#include <linux/irq.h> - -asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); - -int hlt_counter; - -/* - * Powermanagement idle function, if any.. - */ -void (*pm_idle)(void); - -/* - * Power off function, if any - */ -void (*pm_power_off)(void); - -void disable_hlt(void) -{ - hlt_counter++; -} - -void enable_hlt(void) -{ - hlt_counter--; -} - -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void cpu_idle (void) -{ - /* endless idle loop with no priority at all */ - init_idle(); - current->nice = 20; - current->counter = -100; - - while (1) { - while (!current->need_resched) - HYPERVISOR_do_sched_op(NULL); - schedule(); - check_pgt_cache(); - } -} - -void machine_restart(char * __unused) -{ - HYPERVISOR_exit(); -} - -void machine_halt(void) -{ - HYPERVISOR_exit(); -} - -void machine_power_off(void) -{ - HYPERVISOR_exit(); -} - -extern void show_trace(unsigned long* esp); - -void show_regs(struct pt_regs * regs) -{ - printk("\n"); - printk("Pid: %d, comm: %20s\n", current->pid, current->comm); - printk("EIP: %04x:[<%08lx>] CPU: %d",0xffff & regs->xcs,regs->eip, smp_processor_id()); - if (regs->xcs & 2) - printk(" ESP: %04x:%08lx",0xffff & regs->xss,regs->esp); - printk(" EFLAGS: %08lx %s\n",regs->eflags, print_tainted()); - printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", - regs->eax,regs->ebx,regs->ecx,regs->edx); - printk("ESI: %08lx EDI: %08lx EBP: %08lx", - regs->esi, regs->edi, regs->ebp); - printk(" DS: %04x ES: %04x\n", - 0xffff & regs->xds,0xffff & regs->xes); - - show_trace(®s->esp); -} - -/* - * No need to lock the MM as we are the last user - */ -void release_segments(struct mm_struct *mm) -{ - void * ldt = mm->context.segments; - - /* - * free the LDT - */ - if (ldt) { - mm->context.segments = NULL; - clear_LDT(); - vfree(ldt); - } -} - -/* - * Create a kernel thread - */ -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -{ - long retval, d0; - - __asm__ __volatile__( - "movl %%esp,%%esi\n\t" - "int $0x80\n\t" /* Linux/i386 system call */ - "cmpl %%esp,%%esi\n\t" /* child or parent? */ - "je 1f\n\t" /* parent - jump */ - /* Load the argument into eax, and push it. That way, it does - * not matter whether the called function is compiled with - * -mregparm or not. */ - "movl %4,%%eax\n\t" - "pushl %%eax\n\t" - "call *%5\n\t" /* call fn */ - "movl %3,%0\n\t" /* exit */ - "int $0x80\n" - "1:\t" - :"=&a" (retval), "=&S" (d0) - :"0" (__NR_clone), "i" (__NR_exit), - "r" (arg), "r" (fn), - "b" (flags | CLONE_VM) - : "memory"); - - return retval; -} - -/* - * Free current thread data structures etc.. - */ -void exit_thread(void) -{ - /* nothing to do ... */ -} - -void flush_thread(void) -{ - struct task_struct *tsk = current; - - memset(tsk->thread.debugreg, 0, sizeof(unsigned long)*8); - - /* - * Forget coprocessor state.. - */ - clear_fpu(tsk); - tsk->used_math = 0; -} - -void release_thread(struct task_struct *dead_task) -{ - if (dead_task->mm) { - void * ldt = dead_task->mm->context.segments; - - // temporary debugging check - if (ldt) { - printk("WARNING: dead process %8s still has LDT? <%p>\n", - dead_task->comm, ldt); - BUG(); - } - } -} - -/* - * we do not have to muck with descriptors here, that is - * done in switch_mm() as needed. - */ -void copy_segments(struct task_struct *p, struct mm_struct *new_mm) -{ - struct mm_struct * old_mm; - void *old_ldt, *ldt; - - ldt = NULL; - old_mm = current->mm; - if (old_mm && (old_ldt = old_mm->context.segments) != NULL) { - /* - * Completely new LDT, we initialize it from the parent: - */ - ldt = vmalloc(LDT_ENTRIES*LDT_ENTRY_SIZE); - if (!ldt) - printk(KERN_WARNING "ldt allocation failed\n"); - else - memcpy(ldt, old_ldt, LDT_ENTRIES*LDT_ENTRY_SIZE); - } - new_mm->context.segments = ldt; - new_mm->context.cpuvalid = ~0UL; /* valid on all CPU's - they can't have stale data */ -} - -/* - * Save a segment. - */ -#define savesegment(seg,value) \ - asm volatile("movl %%" #seg ",%0":"=m" (*(int *)&(value))) - -int copy_thread(int nr, unsigned long clone_flags, unsigned long esp, - unsigned long unused, - struct task_struct * p, struct pt_regs * regs) -{ - struct pt_regs * childregs; - - childregs = ((struct pt_regs *) (THREAD_SIZE + (unsigned long) p)) - 1; - struct_cpy(childregs, regs); - childregs->eax = 0; - childregs->esp = esp; - - p->thread.esp = (unsigned long) childregs; - p->thread.esp0 = (unsigned long) (childregs+1); - - p->thread.eip = (unsigned long) ret_from_fork; - - savesegment(fs,p->thread.fs); - savesegment(gs,p->thread.gs); - - unlazy_fpu(current); - struct_cpy(&p->thread.i387, ¤t->thread.i387); - - return 0; -} - -/* - * fill in the user structure for a core dump.. - */ -void dump_thread(struct pt_regs * regs, struct user * dump) -{ - int i; - -/* changed the size calculations - should hopefully work better. lbt */ - dump->magic = CMAGIC; - dump->start_code = 0; - dump->start_stack = regs->esp & ~(PAGE_SIZE - 1); - dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; - dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT; - dump->u_dsize -= dump->u_tsize; - dump->u_ssize = 0; - for (i = 0; i < 8; i++) - dump->u_debugreg[i] = current->thread.debugreg[i]; - - if (dump->start_stack < TASK_SIZE) - dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT; - - dump->regs.ebx = regs->ebx; - dump->regs.ecx = regs->ecx; - dump->regs.edx = regs->edx; - dump->regs.esi = regs->esi; - dump->regs.edi = regs->edi; - dump->regs.ebp = regs->ebp; - dump->regs.eax = regs->eax; - dump->regs.ds = regs->xds; - dump->regs.es = regs->xes; - savesegment(fs,dump->regs.fs); - savesegment(gs,dump->regs.gs); - dump->regs.orig_eax = regs->orig_eax; - dump->regs.eip = regs->eip; - dump->regs.cs = regs->xcs; - dump->regs.eflags = regs->eflags; - dump->regs.esp = regs->esp; - dump->regs.ss = regs->xss; - - dump->u_fpvalid = dump_fpu (regs, &dump->i387); -} - -/* - * switch_to(x,yn) should switch tasks from x to y. - * - * We fsave/fwait so that an exception goes off at the right time - * (as a call from the fsave or fwait in effect) rather than to - * the wrong process. Lazy FP saving no longer makes any sense - * with modern CPU's, and this simplifies a lot of things (SMP - * and UP become the same). - * - * NOTE! We used to use the x86 hardware context switching. The - * reason for not using it any more becomes apparent when you - * try to recover gracefully from saved state that is no longer - * valid (stale segment register values in particular). With the - * hardware task-switch, there is no way to fix up bad state in - * a reasonable manner. - * - * The fact that Intel documents the hardware task-switching to - * be slow is a fairly red herring - this code is not noticeably - * faster. However, there _is_ some room for improvement here, - * so the performance issues may eventually be a valid point. - * More important, however, is the fact that this allows us much - * more flexibility. - */ -void __switch_to(struct task_struct *prev_p, struct task_struct *next_p) -{ - struct thread_struct *prev = &prev_p->thread, - *next = &next_p->thread; - - unlazy_fpu(prev_p); - - HYPERVISOR_stack_and_ldt_switch(__KERNEL_DS, next->esp0, 0); - - /* - * Save away %fs and %gs. No need to save %es and %ds, as - * those are always kernel segments while inside the kernel. - */ - asm volatile("movl %%fs,%0":"=m" (*(int *)&prev->fs)); - asm volatile("movl %%gs,%0":"=m" (*(int *)&prev->gs)); - - /* - * Restore %fs and %gs. - */ - loadsegment(fs, next->fs); - loadsegment(gs, next->gs); - - /* - * Now maybe reload the debug registers - */ - if ( next->debugreg[7] != 0 ) - { - HYPERVISOR_set_debugreg(0, next->debugreg[0]); - HYPERVISOR_set_debugreg(1, next->debugreg[1]); - HYPERVISOR_set_debugreg(2, next->debugreg[2]); - HYPERVISOR_set_debugreg(3, next->debugreg[3]); - /* no 4 and 5 */ - HYPERVISOR_set_debugreg(6, next->debugreg[6]); - HYPERVISOR_set_debugreg(7, next->debugreg[7]); - } -} - -asmlinkage int sys_fork(struct pt_regs regs) -{ - return do_fork(SIGCHLD, regs.esp, ®s, 0); -} - -asmlinkage int sys_clone(struct pt_regs regs) -{ - unsigned long clone_flags; - unsigned long newsp; - - clone_flags = regs.ebx; - newsp = regs.ecx; - if (!newsp) - newsp = regs.esp; - return do_fork(clone_flags, newsp, ®s, 0); -} - -/* - * This is trivial, and on the face of it looks like it - * could equally well be done in user mode. - * - * Not so, for quite unobvious reasons - register pressure. - * In user mode vfork() cannot have a stack frame, and if - * done by calling the "clone()" system call directly, you - * do not have enough call-clobbered registers to hold all - * the information you need. - */ -asmlinkage int sys_vfork(struct pt_regs regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.esp, ®s, 0); -} - -/* - * sys_execve() executes a new program. - */ -asmlinkage int sys_execve(struct pt_regs regs) -{ - int error; - char * filename; - - filename = getname((char *) regs.ebx); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - error = do_execve(filename, (char **) regs.ecx, (char **) regs.edx, ®s); - if (error == 0) - current->ptrace &= ~PT_DTRACE; - putname(filename); - out: - return error; -} - -/* - * These bracket the sleeping functions.. - */ -extern void scheduling_functions_start_here(void); -extern void scheduling_functions_end_here(void); -#define first_sched ((unsigned long) scheduling_functions_start_here) -#define last_sched ((unsigned long) scheduling_functions_end_here) - -unsigned long get_wchan(struct task_struct *p) -{ - unsigned long ebp, esp, eip; - unsigned long stack_page; - int count = 0; - if (!p || p == current || p->state == TASK_RUNNING) - return 0; - stack_page = (unsigned long)p; - esp = p->thread.esp; - if (!stack_page || esp < stack_page || esp > 8188+stack_page) - return 0; - /* include/asm-i386/system.h:switch_to() pushes ebp last. */ - ebp = *(unsigned long *) esp; - do { - if (ebp < stack_page || ebp > 8184+stack_page) - return 0; - eip = *(unsigned long *) (ebp+4); - if (eip < first_sched || eip >= last_sched) - return eip; - ebp = *(unsigned long *) ebp; - } while (count++ < 16); - return 0; -} -#undef last_sched -#undef first_sched diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ptrace.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ptrace.c deleted file mode 100644 index 0fe86897fb..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/ptrace.c +++ /dev/null @@ -1,463 +0,0 @@ -/* ptrace.c */ -/* By Ross Biro 1/23/92 */ -/* - * Pentium III FXSR, SSE support - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/errno.h> -#include <linux/ptrace.h> -#include <linux/user.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/system.h> -#include <asm/processor.h> -#include <asm/i387.h> -#include <asm/debugreg.h> - -/* - * does not yet catch signals sent when the child dies. - * in exit.c or in signal.c. - */ - -/* determines which flags the user has access to. */ -/* 1 = access 0 = no access */ -#define FLAG_MASK 0x00044dd5 - -/* set's the trap flag. */ -#define TRAP_FLAG 0x100 - -/* - * Offset of eflags on child stack.. - */ -#define EFL_OFFSET ((EFL-2)*4-sizeof(struct pt_regs)) - -/* - * this routine will get a word off of the processes privileged stack. - * the offset is how far from the base addr as stored in the TSS. - * this routine assumes that all the privileged stacks are in our - * data space. - */ -static inline int get_stack_long(struct task_struct *task, int offset) -{ - unsigned char *stack; - - stack = (unsigned char *)task->thread.esp0; - stack += offset; - return (*((int *)stack)); -} - -/* - * this routine will put a word on the processes privileged stack. - * the offset is how far from the base addr as stored in the TSS. - * this routine assumes that all the privileged stacks are in our - * data space. - */ -static inline int put_stack_long(struct task_struct *task, int offset, - unsigned long data) -{ - unsigned char * stack; - - stack = (unsigned char *) task->thread.esp0; - stack += offset; - *(unsigned long *) stack = data; - return 0; -} - -static int putreg(struct task_struct *child, - unsigned long regno, unsigned long value) -{ - switch (regno >> 2) { - case FS: - if (value && (value & 3) != 3) - return -EIO; - child->thread.fs = value; - return 0; - case GS: - if (value && (value & 3) != 3) - return -EIO; - child->thread.gs = value; - return 0; - case DS: - case ES: - if (value && (value & 3) != 3) - return -EIO; - value &= 0xffff; - break; - case SS: - case CS: - if ((value & 3) != 3) - return -EIO; - value &= 0xffff; - break; - case EFL: - value &= FLAG_MASK; - value |= get_stack_long(child, EFL_OFFSET) & ~FLAG_MASK; - break; - } - if (regno > GS*4) - regno -= 2*4; - put_stack_long(child, regno - sizeof(struct pt_regs), value); - return 0; -} - -static unsigned long getreg(struct task_struct *child, - unsigned long regno) -{ - unsigned long retval = ~0UL; - - switch (regno >> 2) { - case FS: - retval = child->thread.fs; - break; - case GS: - retval = child->thread.gs; - break; - case DS: - case ES: - case SS: - case CS: - retval = 0xffff; - /* fall through */ - default: - if (regno > GS*4) - regno -= 2*4; - regno = regno - sizeof(struct pt_regs); - retval &= get_stack_long(child, regno); - } - return retval; -} - -/* - * Called by kernel/ptrace.c when detaching.. - * - * Make sure the single step bit is not set. - */ -void ptrace_disable(struct task_struct *child) -{ - long tmp; - - tmp = get_stack_long(child, EFL_OFFSET) & ~TRAP_FLAG; - put_stack_long(child, EFL_OFFSET, tmp); -} - -asmlinkage int sys_ptrace(long request, long pid, long addr, long data) -{ - struct task_struct *child; - struct user * dummy = NULL; - int i, ret; - - lock_kernel(); - ret = -EPERM; - if (request == PTRACE_TRACEME) { - /* are we already being traced? */ - if (current->ptrace & PT_PTRACED) - goto out; - /* set the ptrace bit in the process flags. */ - current->ptrace |= PT_PTRACED; - ret = 0; - goto out; - } - ret = -ESRCH; - read_lock(&tasklist_lock); - child = find_task_by_pid(pid); - if (child) - get_task_struct(child); - read_unlock(&tasklist_lock); - if (!child) - goto out; - - ret = -EPERM; - if (pid == 1) /* you may not mess with init */ - goto out_tsk; - - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_tsk; - } - - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - goto out_tsk; - - switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long *) data); - break; - } - - /* read the word at location addr in the USER area. */ - case PTRACE_PEEKUSR: { - unsigned long tmp; - - ret = -EIO; - if ((addr & 3) || addr < 0 || - addr > sizeof(struct user) - 3) - break; - - tmp = 0; /* Default return condition */ - if(addr < FRAME_SIZE*sizeof(long)) - tmp = getreg(child, addr); - if(addr >= (long) &dummy->u_debugreg[0] && - addr <= (long) &dummy->u_debugreg[7]){ - addr -= (long) &dummy->u_debugreg[0]; - addr = addr >> 2; - tmp = child->thread.debugreg[addr]; - } - ret = put_user(tmp,(unsigned long *) data); - break; - } - - /* when I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; - break; - - case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ - ret = -EIO; - if ((addr & 3) || addr < 0 || - addr > sizeof(struct user) - 3) - break; - - if (addr < FRAME_SIZE*sizeof(long)) { - ret = putreg(child, addr, data); - break; - } - /* We need to be very careful here. We implicitly - want to modify a portion of the task_struct, and we - have to be selective about what portions we allow someone - to modify. */ - - ret = -EIO; - if(addr >= (long) &dummy->u_debugreg[0] && - addr <= (long) &dummy->u_debugreg[7]){ - - if(addr == (long) &dummy->u_debugreg[4]) break; - if(addr == (long) &dummy->u_debugreg[5]) break; - if(addr < (long) &dummy->u_debugreg[4] && - ((unsigned long) data) >= TASK_SIZE-3) break; - - if(addr == (long) &dummy->u_debugreg[7]) { - data &= ~DR_CONTROL_RESERVED; - for(i=0; i<4; i++) - if ((0x5f54 >> ((data >> (16 + 4*i)) & 0xf)) & 1) - goto out_tsk; - } - - addr -= (long) &dummy->u_debugreg; - addr = addr >> 2; - child->thread.debugreg[addr] = data; - ret = 0; - } - break; - - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ - long tmp; - - ret = -EIO; - if ((unsigned long) data > _NSIG) - break; - if (request == PTRACE_SYSCALL) - child->ptrace |= PT_TRACESYS; - else - child->ptrace &= ~PT_TRACESYS; - child->exit_code = data; - /* make sure the single step bit is not set. */ - tmp = get_stack_long(child, EFL_OFFSET) & ~TRAP_FLAG; - put_stack_long(child, EFL_OFFSET,tmp); - wake_up_process(child); - ret = 0; - break; - } - -/* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: { - long tmp; - - ret = 0; - if (child->state == TASK_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - /* make sure the single step bit is not set. */ - tmp = get_stack_long(child, EFL_OFFSET) & ~TRAP_FLAG; - put_stack_long(child, EFL_OFFSET, tmp); - wake_up_process(child); - break; - } - - case PTRACE_SINGLESTEP: { /* set the trap flag. */ - long tmp; - - ret = -EIO; - if ((unsigned long) data > _NSIG) - break; - child->ptrace &= ~PT_TRACESYS; - if ((child->ptrace & PT_DTRACE) == 0) { - /* Spurious delayed TF traps may occur */ - child->ptrace |= PT_DTRACE; - } - tmp = get_stack_long(child, EFL_OFFSET) | TRAP_FLAG; - put_stack_long(child, EFL_OFFSET, tmp); - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; - break; - } - - case PTRACE_DETACH: - /* detach a process that was attached. */ - ret = ptrace_detach(child, data); - break; - - case PTRACE_GETREGS: { /* Get all gp regs from the child. */ - if (!access_ok(VERIFY_WRITE, (unsigned *)data, FRAME_SIZE*sizeof(long))) { - ret = -EIO; - break; - } - for ( i = 0; i < FRAME_SIZE*sizeof(long); i += sizeof(long) ) { - __put_user(getreg(child, i),(unsigned long *) data); - data += sizeof(long); - } - ret = 0; - break; - } - - case PTRACE_SETREGS: { /* Set all gp regs in the child. */ - unsigned long tmp; - if (!access_ok(VERIFY_READ, (unsigned *)data, FRAME_SIZE*sizeof(long))) { - ret = -EIO; - break; - } - for ( i = 0; i < FRAME_SIZE*sizeof(long); i += sizeof(long) ) { - __get_user(tmp, (unsigned long *) data); - putreg(child, i, tmp); - data += sizeof(long); - } - ret = 0; - break; - } - - case PTRACE_GETFPREGS: { /* Get the child FPU state. */ - if (!access_ok(VERIFY_WRITE, (unsigned *)data, - sizeof(struct user_i387_struct))) { - ret = -EIO; - break; - } - ret = 0; - if ( !child->used_math ) { - /* Simulate an empty FPU. */ - set_fpu_cwd(child, 0x037f); - set_fpu_swd(child, 0x0000); - set_fpu_twd(child, 0xffff); - } - get_fpregs((struct user_i387_struct *)data, child); - break; - } - - case PTRACE_SETFPREGS: { /* Set the child FPU state. */ - if (!access_ok(VERIFY_READ, (unsigned *)data, - sizeof(struct user_i387_struct))) { - ret = -EIO; - break; - } - child->used_math = 1; - set_fpregs(child, (struct user_i387_struct *)data); - ret = 0; - break; - } - - case PTRACE_GETFPXREGS: { /* Get the child extended FPU state. */ - if (!access_ok(VERIFY_WRITE, (unsigned *)data, - sizeof(struct user_fxsr_struct))) { - ret = -EIO; - break; - } - if ( !child->used_math ) { - /* Simulate an empty FPU. */ - set_fpu_cwd(child, 0x037f); - set_fpu_swd(child, 0x0000); - set_fpu_twd(child, 0xffff); - set_fpu_mxcsr(child, 0x1f80); - } - ret = get_fpxregs((struct user_fxsr_struct *)data, child); - break; - } - - case PTRACE_SETFPXREGS: { /* Set the child extended FPU state. */ - if (!access_ok(VERIFY_READ, (unsigned *)data, - sizeof(struct user_fxsr_struct))) { - ret = -EIO; - break; - } - child->used_math = 1; - ret = set_fpxregs(child, (struct user_fxsr_struct *)data); - break; - } - - case PTRACE_SETOPTIONS: { - if (data & PTRACE_O_TRACESYSGOOD) - child->ptrace |= PT_TRACESYSGOOD; - else - child->ptrace &= ~PT_TRACESYSGOOD; - ret = 0; - break; - } - - default: - ret = -EIO; - break; - } -out_tsk: - free_task_struct(child); -out: - unlock_kernel(); - return ret; -} - -asmlinkage void syscall_trace(void) -{ - if ((current->ptrace & (PT_PTRACED|PT_TRACESYS)) != - (PT_PTRACED|PT_TRACESYS)) - return; - /* the 0x80 provides a way for the tracing parent to distinguish - between a syscall stop and SIGTRAP delivery */ - current->exit_code = SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0); - current->state = TASK_STOPPED; - notify_parent(current, SIGCHLD); - schedule(); - /* - * this isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/semaphore.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/semaphore.c deleted file mode 100644 index 08ff686f1e..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/semaphore.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * i386 semaphore implementation. - * - * (C) Copyright 1999 Linus Torvalds - * - * Portions Copyright 1999 Red Hat, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * rw semaphores implemented November 1999 by Benjamin LaHaise <bcrl@redhat.com> - */ -#include <linux/config.h> -#include <linux/sched.h> -#include <asm/semaphore.h> - -/* - * Semaphores are implemented using a two-way counter: - * The "count" variable is decremented for each process - * that tries to acquire the semaphore, while the "sleeping" - * variable is a count of such acquires. - * - * Notably, the inline "up()" and "down()" functions can - * efficiently test if they need to do any extra work (up - * needs to do something only if count was negative before - * the increment operation. - * - * "sleeping" and the contention routine ordering is - * protected by the semaphore spinlock. - * - * Note that these functions are only called when there is - * contention on the lock, and as such all this is the - * "non-critical" part of the whole semaphore business. The - * critical part is the inline stuff in <asm/semaphore.h> - * where we want to avoid any extra jumps and calls. - */ - -/* - * Logic: - * - only on a boundary condition do we need to care. When we go - * from a negative count to a non-negative, we wake people up. - * - when we go from a non-negative count to a negative do we - * (a) synchronize with the "sleeper" count and (b) make sure - * that we're on the wakeup list before we synchronize so that - * we cannot lose wakeup events. - */ - -void __up(struct semaphore *sem) -{ - wake_up(&sem->wait); -} - -static spinlock_t semaphore_lock = SPIN_LOCK_UNLOCKED; - -void __down(struct semaphore * sem) -{ - struct task_struct *tsk = current; - DECLARE_WAITQUEUE(wait, tsk); - tsk->state = TASK_UNINTERRUPTIBLE; - add_wait_queue_exclusive(&sem->wait, &wait); - - spin_lock_irq(&semaphore_lock); - sem->sleepers++; - for (;;) { - int sleepers = sem->sleepers; - - /* - * Add "everybody else" into it. They aren't - * playing, because we own the spinlock. - */ - if (!atomic_add_negative(sleepers - 1, &sem->count)) { - sem->sleepers = 0; - break; - } - sem->sleepers = 1; /* us - see -1 above */ - spin_unlock_irq(&semaphore_lock); - - schedule(); - tsk->state = TASK_UNINTERRUPTIBLE; - spin_lock_irq(&semaphore_lock); - } - spin_unlock_irq(&semaphore_lock); - remove_wait_queue(&sem->wait, &wait); - tsk->state = TASK_RUNNING; - wake_up(&sem->wait); -} - -int __down_interruptible(struct semaphore * sem) -{ - int retval = 0; - struct task_struct *tsk = current; - DECLARE_WAITQUEUE(wait, tsk); - tsk->state = TASK_INTERRUPTIBLE; - add_wait_queue_exclusive(&sem->wait, &wait); - - spin_lock_irq(&semaphore_lock); - sem->sleepers ++; - for (;;) { - int sleepers = sem->sleepers; - - /* - * With signals pending, this turns into - * the trylock failure case - we won't be - * sleeping, and we* can't get the lock as - * it has contention. Just correct the count - * and exit. - */ - if (signal_pending(current)) { - retval = -EINTR; - sem->sleepers = 0; - atomic_add(sleepers, &sem->count); - break; - } - - /* - * Add "everybody else" into it. They aren't - * playing, because we own the spinlock. The - * "-1" is because we're still hoping to get - * the lock. - */ - if (!atomic_add_negative(sleepers - 1, &sem->count)) { - sem->sleepers = 0; - break; - } - sem->sleepers = 1; /* us - see -1 above */ - spin_unlock_irq(&semaphore_lock); - - schedule(); - tsk->state = TASK_INTERRUPTIBLE; - spin_lock_irq(&semaphore_lock); - } - spin_unlock_irq(&semaphore_lock); - tsk->state = TASK_RUNNING; - remove_wait_queue(&sem->wait, &wait); - wake_up(&sem->wait); - return retval; -} - -/* - * Trylock failed - make sure we correct for - * having decremented the count. - * - * We could have done the trylock with a - * single "cmpxchg" without failure cases, - * but then it wouldn't work on a 386. - */ -int __down_trylock(struct semaphore * sem) -{ - int sleepers; - unsigned long flags; - - spin_lock_irqsave(&semaphore_lock, flags); - sleepers = sem->sleepers + 1; - sem->sleepers = 0; - - /* - * Add "everybody else" and us into it. They aren't - * playing, because we own the spinlock. - */ - if (!atomic_add_negative(sleepers, &sem->count)) - wake_up(&sem->wait); - - spin_unlock_irqrestore(&semaphore_lock, flags); - return 1; -} - - -/* - * The semaphore operations have a special calling sequence that - * allow us to do a simpler in-line version of them. These routines - * need to convert that sequence back into the C sequence when - * there is contention on the semaphore. - * - * %ecx contains the semaphore pointer on entry. Save the C-clobbered - * registers (%eax, %edx and %ecx) except %eax when used as a return - * value.. - */ -asm( -".text\n" -".align 4\n" -".globl __down_failed\n" -"__down_failed:\n\t" -#if defined(CONFIG_FRAME_POINTER) - "pushl %ebp\n\t" - "movl %esp,%ebp\n\t" -#endif - "pushl %eax\n\t" - "pushl %edx\n\t" - "pushl %ecx\n\t" - "call __down\n\t" - "popl %ecx\n\t" - "popl %edx\n\t" - "popl %eax\n\t" -#if defined(CONFIG_FRAME_POINTER) - "movl %ebp,%esp\n\t" - "popl %ebp\n\t" -#endif - "ret" -); - -asm( -".text\n" -".align 4\n" -".globl __down_failed_interruptible\n" -"__down_failed_interruptible:\n\t" -#if defined(CONFIG_FRAME_POINTER) - "pushl %ebp\n\t" - "movl %esp,%ebp\n\t" -#endif - "pushl %edx\n\t" - "pushl %ecx\n\t" - "call __down_interruptible\n\t" - "popl %ecx\n\t" - "popl %edx\n\t" -#if defined(CONFIG_FRAME_POINTER) - "movl %ebp,%esp\n\t" - "popl %ebp\n\t" -#endif - "ret" -); - -asm( -".text\n" -".align 4\n" -".globl __down_failed_trylock\n" -"__down_failed_trylock:\n\t" -#if defined(CONFIG_FRAME_POINTER) - "pushl %ebp\n\t" - "movl %esp,%ebp\n\t" -#endif - "pushl %edx\n\t" - "pushl %ecx\n\t" - "call __down_trylock\n\t" - "popl %ecx\n\t" - "popl %edx\n\t" -#if defined(CONFIG_FRAME_POINTER) - "movl %ebp,%esp\n\t" - "popl %ebp\n\t" -#endif - "ret" -); - -asm( -".text\n" -".align 4\n" -".globl __up_wakeup\n" -"__up_wakeup:\n\t" - "pushl %eax\n\t" - "pushl %edx\n\t" - "pushl %ecx\n\t" - "call __up\n\t" - "popl %ecx\n\t" - "popl %edx\n\t" - "popl %eax\n\t" - "ret" -); - -/* - * rw spinlock fallbacks - */ -#if defined(CONFIG_SMP) -asm( -" -.align 4 -.globl __write_lock_failed -__write_lock_failed: - " LOCK "addl $" RW_LOCK_BIAS_STR ",(%eax) -1: rep; nop - cmpl $" RW_LOCK_BIAS_STR ",(%eax) - jne 1b - - " LOCK "subl $" RW_LOCK_BIAS_STR ",(%eax) - jnz __write_lock_failed - ret - - -.align 4 -.globl __read_lock_failed -__read_lock_failed: - lock ; incl (%eax) -1: rep; nop - cmpl $1,(%eax) - js 1b - - lock ; decl (%eax) - js __read_lock_failed - ret -" -); -#endif diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/setup.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/setup.c deleted file mode 100644 index 979deacf5a..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/setup.c +++ /dev/null @@ -1,996 +0,0 @@ -/* - * linux/arch/i386/kernel/setup.c - * - * Copyright (C) 1995 Linus Torvalds - */ - -/* - * This file handles the architecture-dependent parts of initialization - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/user.h> -#include <linux/a.out.h> -#include <linux/tty.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/config.h> -#include <linux/init.h> -#include <linux/apm_bios.h> -#ifdef CONFIG_BLK_DEV_RAM -#include <linux/blk.h> -#endif -#include <linux/highmem.h> -#include <linux/bootmem.h> -#include <linux/seq_file.h> -#include <asm/processor.h> -#include <linux/console.h> -#include <asm/mtrr.h> -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/msr.h> -#include <asm/desc.h> -#include <asm/dma.h> -#include <asm/mpspec.h> -#include <asm/mmu_context.h> -#include <asm/hypervisor.h> - -shared_info_t *HYPERVISOR_shared_info; - -unsigned long *phys_to_machine_mapping; - -/* - * Machine setup.. - */ - -char ignore_irq13; /* set if exception 16 works */ -struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; - -unsigned long mmu_cr4_features; - -/* - * Bus types .. - */ -#ifdef CONFIG_EISA -int EISA_bus; -#endif -int MCA_bus; - -/* for MCA, but anyone else can use it if they want */ -unsigned int machine_id; -unsigned int machine_submodel_id; -unsigned int BIOS_revision; -unsigned int mca_pentium_flag; - -/* For PCI or other memory-mapped resources */ -unsigned long pci_mem_start = 0x10000000; - -/* - * Setup options - */ -struct drive_info_struct { char dummy[32]; } drive_info; -struct screen_info screen_info; -struct apm_info apm_info; -struct sys_desc_table_struct { - unsigned short length; - unsigned char table[0]; -}; - -unsigned char aux_device_present; - -extern int root_mountflags; -extern char _text, _etext, _edata, _end; - -int enable_acpi_smp_table; - -/* Raw start-of-day parameters from the hypervisor. */ -union start_info_union start_info_union; - -#define COMMAND_LINE_SIZE 256 -static char command_line[COMMAND_LINE_SIZE]; -char saved_command_line[COMMAND_LINE_SIZE]; - -static void __init parse_mem_cmdline (char ** cmdline_p) -{ - char c = ' ', *to = command_line, *from = saved_command_line; - int len = 0; - - /* Save unparsed command line copy for /proc/cmdline */ - memcpy(saved_command_line, start_info.cmd_line, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; - - for (;;) { - /* - * "mem=nopentium" disables the 4MB page tables. - * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM - * to <mem>, overriding the bios size. - * "mem=XXX[KkmM]@XXX[KkmM]" defines a memory region from - * <start> to <start>+<mem>, overriding the bios size. - */ - if (c == ' ' && !memcmp(from, "mem=", 4)) { - if (to != command_line) - to--; - if (!memcmp(from+4, "nopentium", 9)) { - from += 9+4; - } else if (!memcmp(from+4, "exactmap", 8)) { - from += 8+4; - } else { - (void)memparse(from+4, &from); - if (*from == '@') - (void)memparse(from+1, &from); - } - } - - c = *(from++); - if (!c) - break; - if (COMMAND_LINE_SIZE <= ++len) - break; - *(to++) = c; - } - *to = '\0'; - *cmdline_p = command_line; -} - -void __init setup_arch(char **cmdline_p) -{ - unsigned long start_pfn, max_pfn, max_low_pfn; - unsigned long bootmap_size; - unsigned long i; - - extern void hypervisor_callback(void); - extern void failsafe_callback(void); - - extern unsigned long cpu0_pte_quicklist[]; - extern unsigned long cpu0_pgd_quicklist[]; - - HYPERVISOR_shared_info->event_address = - (unsigned long)hypervisor_callback; - HYPERVISOR_shared_info->failsafe_address = - (unsigned long)failsafe_callback; - - boot_cpu_data.pgd_quick = cpu0_pgd_quicklist; - boot_cpu_data.pte_quick = cpu0_pte_quicklist; - - ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); - memset(&drive_info, 0, sizeof(drive_info)); - memset(&screen_info, 0, sizeof(screen_info)); - memset(&apm_info.bios, 0, sizeof(apm_info.bios)); - aux_device_present = 0; - -#ifdef CONFIG_BLK_DEV_RAM - rd_image_start = 0; - rd_prompt = 0; - rd_doload = 0; -#endif - - root_mountflags &= ~MS_RDONLY; - init_mm.start_code = (unsigned long) &_text; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; - init_mm.brk = (unsigned long) &_end; - - parse_mem_cmdline(cmdline_p); - -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) - -/* - * 128MB for vmalloc and initrd - */ -#define VMALLOC_RESERVE (unsigned long)(128 << 20) -#define MAXMEM (unsigned long)(HYPERVISOR_VIRT_START-PAGE_OFFSET-VMALLOC_RESERVE) -#define MAXMEM_PFN PFN_DOWN(MAXMEM) -#define MAX_NONPAE_PFN (1 << 20) - - /* - * partially used pages are not usable - thus - * we are rounding upwards: - */ -#ifdef CONFIG_BLK_DEV_INITRD - if ( start_info.mod_start ) - start_pfn = PFN_UP(__pa(start_info.mod_start + start_info.mod_len)); - else -#endif - start_pfn = PFN_UP(__pa(&_end)); - max_pfn = start_info.nr_pages; - - /* - * Determine low and high memory ranges: - */ - max_low_pfn = max_pfn; - if (max_low_pfn > MAXMEM_PFN) { - max_low_pfn = MAXMEM_PFN; -#ifndef CONFIG_HIGHMEM - /* Maximum memory usable is what is directly addressable */ - printk(KERN_WARNING "Warning only %ldMB will be used.\n", - MAXMEM>>20); - if (max_pfn > MAX_NONPAE_PFN) - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); - else - printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); -#else /* !CONFIG_HIGHMEM */ -#ifndef CONFIG_X86_PAE - if (max_pfn > MAX_NONPAE_PFN) { - max_pfn = MAX_NONPAE_PFN; - printk(KERN_WARNING "Warning only 4GB will be used.\n"); - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); - } -#endif /* !CONFIG_X86_PAE */ -#endif /* !CONFIG_HIGHMEM */ - } - -#ifdef CONFIG_HIGHMEM - highstart_pfn = highend_pfn = max_pfn; - if (max_pfn > MAXMEM_PFN) { - highstart_pfn = MAXMEM_PFN; - printk(KERN_NOTICE "%ldMB HIGHMEM available.\n", - pages_to_mb(highend_pfn - highstart_pfn)); - } -#endif - - /* - * Initialize the boot-time allocator, and free up all RAM. - * Then reserve space for OS image, and the bootmem bitmap. - */ - bootmap_size = init_bootmem(start_pfn, max_low_pfn); - free_bootmem(0, PFN_PHYS(max_low_pfn)); - reserve_bootmem(0, PFN_PHYS(start_pfn) + bootmap_size + PAGE_SIZE-1); - - /* Now reserve space for the hypervisor-provided page tables. */ - { - unsigned long *pgd = (unsigned long *)start_info.pt_base; - unsigned long pte; - int i; - reserve_bootmem(__pa(pgd), PAGE_SIZE); - for ( i = 0; i < (HYPERVISOR_VIRT_START>>22); i++ ) - { - unsigned long pgde = *pgd++; - if ( !(pgde & 1) ) continue; - pte = machine_to_phys(pgde & PAGE_MASK); - reserve_bootmem(pte, PAGE_SIZE); - } - } - cur_pgd = init_mm.pgd = (pgd_t *)start_info.pt_base; - - /* Now initialise the physical->machine mapping table. */ - phys_to_machine_mapping = alloc_bootmem(max_pfn * sizeof(unsigned long)); - for ( i = 0; i < max_pfn; i++ ) - { - unsigned long pgde, *ppte; - unsigned long pfn = i + (PAGE_OFFSET >> PAGE_SHIFT); - pgde = *((unsigned long *)start_info.pt_base + (pfn >> 10)); - ppte = (unsigned long *)machine_to_phys(pgde & PAGE_MASK) + (pfn&1023); - phys_to_machine_mapping[i] = - (*(unsigned long *)__va(ppte)) >> PAGE_SHIFT; - } - -#ifdef CONFIG_BLK_DEV_INITRD - if (start_info.mod_start) { - if ((__pa(start_info.mod_start) + start_info.mod_len) <= - (max_low_pfn << PAGE_SHIFT)) { - initrd_start = start_info.mod_start; - initrd_end = initrd_start + start_info.mod_len; - initrd_below_start_ok = 1; - } - else { - printk(KERN_ERR "initrd extends beyond end of memory " - "(0x%08lx > 0x%08lx)\ndisabling initrd\n", - __pa(start_info.mod_start) + start_info.mod_len, - max_low_pfn << PAGE_SHIFT); - initrd_start = 0; - } - } -#endif - - paging_init(); -} - -static int cachesize_override __initdata = -1; -static int __init cachesize_setup(char *str) -{ - get_option (&str, &cachesize_override); - return 1; -} -__setup("cachesize=", cachesize_setup); - - -static int __init get_model_name(struct cpuinfo_x86 *c) -{ - unsigned int *v; - char *p, *q; - - if (cpuid_eax(0x80000000) < 0x80000004) - return 0; - - v = (unsigned int *) c->x86_model_id; - cpuid(0x80000002, &v[0], &v[1], &v[2], &v[3]); - cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]); - cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]); - c->x86_model_id[48] = 0; - - /* Intel chips right-justify this string for some dumb reason; - undo that brain damage */ - p = q = &c->x86_model_id[0]; - while ( *p == ' ' ) - p++; - if ( p != q ) { - while ( *p ) - *q++ = *p++; - while ( q <= &c->x86_model_id[48] ) - *q++ = '\0'; /* Zero-pad the rest */ - } - - return 1; -} - - -static void __init display_cacheinfo(struct cpuinfo_x86 *c) -{ - unsigned int n, dummy, ecx, edx, l2size; - - n = cpuid_eax(0x80000000); - - if (n >= 0x80000005) { - cpuid(0x80000005, &dummy, &dummy, &ecx, &edx); - printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), D cache %dK (%d bytes/line)\n", - edx>>24, edx&0xFF, ecx>>24, ecx&0xFF); - c->x86_cache_size=(ecx>>24)+(edx>>24); - } - - if (n < 0x80000006) /* Some chips just has a large L1. */ - return; - - ecx = cpuid_ecx(0x80000006); - l2size = ecx >> 16; - - /* AMD errata T13 (order #21922) */ - if ((c->x86_vendor == X86_VENDOR_AMD) && (c->x86 == 6)) { - if (c->x86_model == 3 && c->x86_mask == 0) /* Duron Rev A0 */ - l2size = 64; - if (c->x86_model == 4 && - (c->x86_mask==0 || c->x86_mask==1)) /* Tbird rev A1/A2 */ - l2size = 256; - } - - /* Intel PIII Tualatin. This comes in two flavours. - * One has 256kb of cache, the other 512. We have no way - * to determine which, so we use a boottime override - * for the 512kb model, and assume 256 otherwise. - */ - if ((c->x86_vendor == X86_VENDOR_INTEL) && (c->x86 == 6) && - (c->x86_model == 11) && (l2size == 0)) - l2size = 256; - - /* VIA C3 CPUs (670-68F) need further shifting. */ - if (c->x86_vendor == X86_VENDOR_CENTAUR && (c->x86 == 6) && - ((c->x86_model == 7) || (c->x86_model == 8))) { - l2size = l2size >> 8; - } - - /* Allow user to override all this if necessary. */ - if (cachesize_override != -1) - l2size = cachesize_override; - - if ( l2size == 0 ) - return; /* Again, no L2 cache is possible */ - - c->x86_cache_size = l2size; - - printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n", - l2size, ecx & 0xFF); -} - - -static int __init init_amd(struct cpuinfo_x86 *c) -{ - int r; - - /* Bit 31 in normal CPUID used for nonstandard 3DNow ID; - 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */ - clear_bit(0*32+31, &c->x86_capability); - - r = get_model_name(c); - - switch(c->x86) - { - case 6: /* An Athlon/Duron. We can trust the BIOS probably */ - break; - default: - panic("Unsupported AMD processor\n"); - } - - display_cacheinfo(c); - return r; -} - - -static void __init init_intel(struct cpuinfo_x86 *c) -{ - char *p = NULL; - unsigned int l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */ - - if (c->cpuid_level > 1) { - /* supports eax=2 call */ - int i, j, n; - int regs[4]; - unsigned char *dp = (unsigned char *)regs; - - /* Number of times to iterate */ - n = cpuid_eax(2) & 0xFF; - - for ( i = 0 ; i < n ; i++ ) { - cpuid(2, ®s[0], ®s[1], ®s[2], ®s[3]); - - /* If bit 31 is set, this is an unknown format */ - for ( j = 0 ; j < 3 ; j++ ) { - if ( regs[j] < 0 ) regs[j] = 0; - } - - /* Byte 0 is level count, not a descriptor */ - for ( j = 1 ; j < 16 ; j++ ) { - unsigned char des = dp[j]; - unsigned char dl, dh; - unsigned int cs; - - dh = des >> 4; - dl = des & 0x0F; - - /* Black magic... */ - - switch ( dh ) - { - case 0: - switch ( dl ) { - case 6: - /* L1 I cache */ - l1i += 8; - break; - case 8: - /* L1 I cache */ - l1i += 16; - break; - case 10: - /* L1 D cache */ - l1d += 8; - break; - case 12: - /* L1 D cache */ - l1d += 16; - break; - default:; - /* TLB, or unknown */ - } - break; - case 2: - if ( dl ) { - /* L3 cache */ - cs = (dl-1) << 9; - l3 += cs; - } - break; - case 4: - if ( c->x86 > 6 && dl ) { - /* P4 family */ - /* L3 cache */ - cs = 128 << (dl-1); - l3 += cs; - break; - } - /* else same as 8 - fall through */ - case 8: - if ( dl ) { - /* L2 cache */ - cs = 128 << (dl-1); - l2 += cs; - } - break; - case 6: - if (dl > 5) { - /* L1 D cache */ - cs = 8<<(dl-6); - l1d += cs; - } - break; - case 7: - if ( dl >= 8 ) - { - /* L2 cache */ - cs = 64<<(dl-8); - l2 += cs; - } else { - /* L0 I cache, count as L1 */ - cs = dl ? (16 << (dl-1)) : 12; - l1i += cs; - } - break; - default: - /* TLB, or something else we don't know about */ - break; - } - } - } - if ( l1i || l1d ) - printk(KERN_INFO "CPU: L1 I cache: %dK, L1 D cache: %dK\n", - l1i, l1d); - if ( l2 ) - printk(KERN_INFO "CPU: L2 cache: %dK\n", l2); - if ( l3 ) - printk(KERN_INFO "CPU: L3 cache: %dK\n", l3); - - /* - * This assumes the L3 cache is shared; it typically lives in - * the northbridge. The L1 caches are included by the L2 - * cache, and so should not be included for the purpose of - * SMP switching weights. - */ - c->x86_cache_size = l2 ? l2 : (l1i+l1d); - } - - /* SEP CPUID bug: Pentium Pro reports SEP but doesn't have it */ - if ( c->x86 == 6 && c->x86_model < 3 && c->x86_mask < 3 ) - clear_bit(X86_FEATURE_SEP, &c->x86_capability); - - /* Names for the Pentium II/Celeron processors - detectable only by also checking the cache size. - Dixon is NOT a Celeron. */ - if (c->x86 == 6) { - switch (c->x86_model) { - case 5: - if (l2 == 0) - p = "Celeron (Covington)"; - if (l2 == 256) - p = "Mobile Pentium II (Dixon)"; - break; - - case 6: - if (l2 == 128) - p = "Celeron (Mendocino)"; - break; - - case 8: - if (l2 == 128) - p = "Celeron (Coppermine)"; - break; - } - } - - if ( p ) - strcpy(c->x86_model_id, p); -} - -void __init get_cpu_vendor(struct cpuinfo_x86 *c) -{ - char *v = c->x86_vendor_id; - - if (!strcmp(v, "GenuineIntel")) - c->x86_vendor = X86_VENDOR_INTEL; - else if (!strcmp(v, "AuthenticAMD")) - c->x86_vendor = X86_VENDOR_AMD; - else - c->x86_vendor = X86_VENDOR_UNKNOWN; -} - -struct cpu_model_info { - int vendor; - int family; - char *model_names[16]; -}; - -/* Naming convention should be: <Name> [(<Codename>)] */ -/* This table only is used unless init_<vendor>() below doesn't set it; */ -/* in particular, if CPUID levels 0x80000002..4 are supported, this isn't used */ -static struct cpu_model_info cpu_models[] __initdata = { - { X86_VENDOR_INTEL, 6, - { "Pentium Pro A-step", "Pentium Pro", NULL, "Pentium II (Klamath)", - NULL, "Pentium II (Deschutes)", "Mobile Pentium II", - "Pentium III (Katmai)", "Pentium III (Coppermine)", NULL, - "Pentium III (Cascades)", NULL, NULL, NULL, NULL }}, - { X86_VENDOR_AMD, 6, /* Is this this really necessary?? */ - { "Athlon", "Athlon", - "Athlon", NULL, "Athlon", NULL, - NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL }} -}; - -/* Look up CPU names by table lookup. */ -static char __init *table_lookup_model(struct cpuinfo_x86 *c) -{ - struct cpu_model_info *info = cpu_models; - int i; - - if ( c->x86_model >= 16 ) - return NULL; /* Range check */ - - for ( i = 0 ; i < sizeof(cpu_models)/sizeof(struct cpu_model_info) ; i++ ) { - if ( info->vendor == c->x86_vendor && - info->family == c->x86 ) { - return info->model_names[c->x86_model]; - } - info++; - } - return NULL; /* Not found */ -} - - - -/* Standard macro to see if a specific flag is changeable */ -static inline int flag_is_changeable_p(u32 flag) -{ - u32 f1, f2; - - asm("pushfl\n\t" - "pushfl\n\t" - "popl %0\n\t" - "movl %0,%1\n\t" - "xorl %2,%0\n\t" - "pushl %0\n\t" - "popfl\n\t" - "pushfl\n\t" - "popl %0\n\t" - "popfl\n\t" - : "=&r" (f1), "=&r" (f2) - : "ir" (flag)); - - return ((f1^f2) & flag) != 0; -} - - -/* Probe for the CPUID instruction */ -static int __init have_cpuid_p(void) -{ - return flag_is_changeable_p(X86_EFLAGS_ID); -} - - - -/* - * This does the hard work of actually picking apart the CPU stuff... - */ -void __init identify_cpu(struct cpuinfo_x86 *c) -{ - int junk, i; - u32 xlvl, tfms; - - c->loops_per_jiffy = loops_per_jiffy; - c->x86_cache_size = -1; - c->x86_vendor = X86_VENDOR_UNKNOWN; - c->cpuid_level = -1; /* CPUID not detected */ - c->x86_model = c->x86_mask = 0; /* So far unknown... */ - c->x86_vendor_id[0] = '\0'; /* Unset */ - c->x86_model_id[0] = '\0'; /* Unset */ - memset(&c->x86_capability, 0, sizeof c->x86_capability); - c->hard_math = 1; - - if ( !have_cpuid_p() ) { - panic("Processor must support CPUID\n"); - } else { - /* CPU does have CPUID */ - - /* Get vendor name */ - cpuid(0x00000000, &c->cpuid_level, - (int *)&c->x86_vendor_id[0], - (int *)&c->x86_vendor_id[8], - (int *)&c->x86_vendor_id[4]); - - get_cpu_vendor(c); - /* Initialize the standard set of capabilities */ - /* Note that the vendor-specific code below might override */ - - /* Intel-defined flags: level 0x00000001 */ - if ( c->cpuid_level >= 0x00000001 ) { - cpuid(0x00000001, &tfms, &junk, &junk, - &c->x86_capability[0]); - c->x86 = (tfms >> 8) & 15; - c->x86_model = (tfms >> 4) & 15; - c->x86_mask = tfms & 15; - } else { - /* Have CPUID level 0 only - unheard of */ - c->x86 = 4; - } - - /* AMD-defined flags: level 0x80000001 */ - xlvl = cpuid_eax(0x80000000); - if ( (xlvl & 0xffff0000) == 0x80000000 ) { - if ( xlvl >= 0x80000001 ) - c->x86_capability[1] = cpuid_edx(0x80000001); - if ( xlvl >= 0x80000004 ) - get_model_name(c); /* Default name */ - } - - /* Transmeta-defined flags: level 0x80860001 */ - xlvl = cpuid_eax(0x80860000); - if ( (xlvl & 0xffff0000) == 0x80860000 ) { - if ( xlvl >= 0x80860001 ) - c->x86_capability[2] = cpuid_edx(0x80860001); - } - } - - printk(KERN_DEBUG "CPU: Before vendor init, caps: %08x %08x %08x, vendor = %d\n", - c->x86_capability[0], - c->x86_capability[1], - c->x86_capability[2], - c->x86_vendor); - - /* - * Vendor-specific initialization. In this section we - * canonicalize the feature flags, meaning if there are - * features a certain CPU supports which CPUID doesn't - * tell us, CPUID claiming incorrect flags, or other bugs, - * we handle them here. - * - * At the end of this section, c->x86_capability better - * indicate the features this CPU genuinely supports! - */ - switch ( c->x86_vendor ) { - case X86_VENDOR_AMD: - init_amd(c); - break; - - case X86_VENDOR_INTEL: - init_intel(c); - break; - - default: - panic("Unsupported CPU vendor\n"); - } - - printk(KERN_DEBUG "CPU: After vendor init, caps: %08x %08x %08x %08x\n", - c->x86_capability[0], - c->x86_capability[1], - c->x86_capability[2], - c->x86_capability[3]); - - - /* If the model name is still unset, do table lookup. */ - if ( !c->x86_model_id[0] ) { - char *p; - p = table_lookup_model(c); - if ( p ) - strcpy(c->x86_model_id, p); - else - /* Last resort... */ - sprintf(c->x86_model_id, "%02x/%02x", - c->x86_vendor, c->x86_model); - } - - /* Now the feature flags better reflect actual CPU features! */ - - printk(KERN_DEBUG "CPU: After generic, caps: %08x %08x %08x %08x\n", - c->x86_capability[0], - c->x86_capability[1], - c->x86_capability[2], - c->x86_capability[3]); - - /* - * On SMP, boot_cpu_data holds the common feature set between - * all CPUs; so make sure that we indicate which features are - * common between the CPUs. The first time this routine gets - * executed, c == &boot_cpu_data. - */ - if ( c != &boot_cpu_data ) { - /* AND the already accumulated flags with these */ - for ( i = 0 ; i < NCAPINTS ; i++ ) - boot_cpu_data.x86_capability[i] &= c->x86_capability[i]; - } - - printk(KERN_DEBUG "CPU: Common caps: %08x %08x %08x %08x\n", - boot_cpu_data.x86_capability[0], - boot_cpu_data.x86_capability[1], - boot_cpu_data.x86_capability[2], - boot_cpu_data.x86_capability[3]); -} - - -/* These need to match <asm/processor.h> */ -static char *cpu_vendor_names[] __initdata = { - "Intel", "Cyrix", "AMD", "UMC", "NexGen", "Centaur", "Rise", "Transmeta" }; - - -void __init print_cpu_info(struct cpuinfo_x86 *c) -{ - char *vendor = NULL; - - if (c->x86_vendor < sizeof(cpu_vendor_names)/sizeof(char *)) - vendor = cpu_vendor_names[c->x86_vendor]; - else if (c->cpuid_level >= 0) - vendor = c->x86_vendor_id; - - if (vendor && strncmp(c->x86_model_id, vendor, strlen(vendor))) - printk("%s ", vendor); - - if (!c->x86_model_id[0]) - printk("%d86", c->x86); - else - printk("%s", c->x86_model_id); - - if (c->x86_mask || c->cpuid_level >= 0) - printk(" stepping %02x\n", c->x86_mask); - else - printk("\n"); -} - -/* - * Get CPU information for use by the procfs. - */ -static int show_cpuinfo(struct seq_file *m, void *v) -{ - /* - * These flag bits must match the definitions in <asm/cpufeature.h>. - * NULL means this bit is undefined or reserved; either way it doesn't - * have meaning as far as Linux is concerned. Note that it's important - * to realize there is a difference between this table and CPUID -- if - * applications want to get the raw CPUID data, they should access - * /dev/cpu/<cpu_nr>/cpuid instead. - */ - static char *x86_cap_flags[] = { - /* Intel-defined */ - "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", - "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", - "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", - "fxsr", "sse", "sse2", "ss", NULL, "tm", "ia64", NULL, - - /* AMD-defined */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, "mmxext", NULL, - NULL, NULL, NULL, NULL, NULL, "lm", "3dnowext", "3dnow", - - /* Transmeta-defined */ - "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - - /* Other (Linux-defined) */ - "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - }; - struct cpuinfo_x86 *c = v; - int i, n = c - cpu_data; - int fpu_exception; - -#ifdef CONFIG_SMP - if (!(cpu_online_map & (1<<n))) - return 0; -#endif - seq_printf(m, "processor\t: %d\n" - "vendor_id\t: %s\n" - "cpu family\t: %d\n" - "model\t\t: %d\n" - "model name\t: %s\n", - n, - c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown", - c->x86, - c->x86_model, - c->x86_model_id[0] ? c->x86_model_id : "unknown"); - - if (c->x86_mask || c->cpuid_level >= 0) - seq_printf(m, "stepping\t: %d\n", c->x86_mask); - else - seq_printf(m, "stepping\t: unknown\n"); - - if ( test_bit(X86_FEATURE_TSC, &c->x86_capability) ) { - seq_printf(m, "cpu MHz\t\t: %lu.%03lu\n", - cpu_khz / 1000, (cpu_khz % 1000)); - } - - /* Cache size */ - if (c->x86_cache_size >= 0) - seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size); - - /* We use exception 16 if we have hardware math and we've either seen it or the CPU claims it is internal */ - fpu_exception = c->hard_math && (ignore_irq13 || cpu_has_fpu); - seq_printf(m, "fdiv_bug\t: %s\n" - "hlt_bug\t\t: %s\n" - "f00f_bug\t: %s\n" - "coma_bug\t: %s\n" - "fpu\t\t: %s\n" - "fpu_exception\t: %s\n" - "cpuid level\t: %d\n" - "wp\t\t: %s\n" - "flags\t\t:", - c->fdiv_bug ? "yes" : "no", - c->hlt_works_ok ? "no" : "yes", - c->f00f_bug ? "yes" : "no", - c->coma_bug ? "yes" : "no", - c->hard_math ? "yes" : "no", - fpu_exception ? "yes" : "no", - c->cpuid_level, - c->wp_works_ok ? "yes" : "no"); - - for ( i = 0 ; i < 32*NCAPINTS ; i++ ) - if ( test_bit(i, &c->x86_capability) && - x86_cap_flags[i] != NULL ) - seq_printf(m, " %s", x86_cap_flags[i]); - - seq_printf(m, "\nbogomips\t: %lu.%02lu\n\n", - c->loops_per_jiffy/(500000/HZ), - (c->loops_per_jiffy/(5000/HZ)) % 100); - return 0; -} - -static void *c_start(struct seq_file *m, loff_t *pos) -{ - return *pos < NR_CPUS ? cpu_data + *pos : NULL; -} -static void *c_next(struct seq_file *m, void *v, loff_t *pos) -{ - ++*pos; - return c_start(m, pos); -} -static void c_stop(struct seq_file *m, void *v) -{ -} -struct seq_operations cpuinfo_op = { - start: c_start, - next: c_next, - stop: c_stop, - show: show_cpuinfo, -}; - -unsigned long cpu_initialized __initdata = 0; - -/* - * cpu_init() initializes state that is per-CPU. Some data is already - * initialized (naturally) in the bootstrap process, such as the GDT - * and IDT. We reload them nevertheless, this function acts as a - * 'CPU state barrier', nothing should get across. - */ -void __init cpu_init (void) -{ - int nr = smp_processor_id(); - - if (test_and_set_bit(nr, &cpu_initialized)) { - printk(KERN_WARNING "CPU#%d already initialized!\n", nr); - for (;;) __sti(); - } - printk(KERN_INFO "Initializing CPU#%d\n", nr); - - /* - * set up and load the per-CPU TSS and LDT - */ - atomic_inc(&init_mm.mm_count); - current->active_mm = &init_mm; - if(current->mm) - BUG(); - enter_lazy_tlb(&init_mm, current, nr); - - HYPERVISOR_stack_and_ldt_switch(__KERNEL_DS, current->thread.esp0, 0); - - /* Force FPU initialization. */ - current->flags &= ~PF_USEDFPU; - current->used_math = 0; - stts(); -} - - -/****************************************************************************** - * Time-to-die callback handling. - */ - -static void time_to_die(int irq, void *unused, struct pt_regs *regs) -{ - extern void ctrl_alt_del(void); - ctrl_alt_del(); -} - -static int __init setup_death_event(void) -{ - (void)request_irq(_EVENT_DIE, time_to_die, 0, "die", NULL); - return 0; -} - -__initcall(setup_death_event); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/signal.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/signal.c deleted file mode 100644 index a23cec1dea..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/signal.c +++ /dev/null @@ -1,720 +0,0 @@ -/* - * linux/arch/i386/kernel/signal.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson - * 2000-06-20 Pentium III FXSR, SSE support by Gareth Hughes - */ - -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/ptrace.h> -#include <linux/unistd.h> -#include <linux/stddef.h> -#include <linux/tty.h> -#include <linux/personality.h> -#include <asm/ucontext.h> -#include <asm/uaccess.h> -#include <asm/i387.h> - -#define DEBUG_SIG 0 - -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - -int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset)); - -int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from) -{ - if (!access_ok (VERIFY_WRITE, to, sizeof(siginfo_t))) - return -EFAULT; - if (from->si_code < 0) - return __copy_to_user(to, from, sizeof(siginfo_t)); - else { - int err; - - /* If you change siginfo_t structure, please be sure - this code is fixed accordingly. - It should never copy any pad contained in the structure - to avoid security leaks, but must copy the generic - 3 ints plus the relevant union member. */ - err = __put_user(from->si_signo, &to->si_signo); - err |= __put_user(from->si_errno, &to->si_errno); - err |= __put_user((short)from->si_code, &to->si_code); - /* First 32bits of unions are always present. */ - err |= __put_user(from->si_pid, &to->si_pid); - switch (from->si_code >> 16) { - case __SI_FAULT >> 16: - break; - case __SI_CHLD >> 16: - err |= __put_user(from->si_utime, &to->si_utime); - err |= __put_user(from->si_stime, &to->si_stime); - err |= __put_user(from->si_status, &to->si_status); - default: - err |= __put_user(from->si_uid, &to->si_uid); - break; - /* case __SI_RT: This is not generated by the kernel as of now. */ - } - return err; - } -} - -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int -sys_sigsuspend(int history0, int history1, old_sigset_t mask) -{ - struct pt_regs * regs = (struct pt_regs *) &history0; - sigset_t saveset; - - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sigmask_lock); - saveset = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(current); - spin_unlock_irq(¤t->sigmask_lock); - - regs->eax = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset)) - return -EINTR; - } -} - -asmlinkage int -sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize) -{ - struct pt_regs * regs = (struct pt_regs *) &unewset; - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - - spin_lock_irq(¤t->sigmask_lock); - saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(current); - spin_unlock_irq(¤t->sigmask_lock); - - regs->eax = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset)) - return -EINTR; - } -} - -asmlinkage int -sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (verify_area(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return ret; -} - -asmlinkage int -sys_sigaltstack(const stack_t *uss, stack_t *uoss) -{ - struct pt_regs *regs = (struct pt_regs *) &uss; - return do_sigaltstack(uss, uoss, regs->esp); -} - - -/* - * Do a signal return; undo the signal stack. - */ - -struct sigframe -{ - char *pretcode; - int sig; - struct sigcontext sc; - struct _fpstate fpstate; - unsigned long extramask[_NSIG_WORDS-1]; - char retcode[8]; -}; - -struct rt_sigframe -{ - char *pretcode; - int sig; - struct siginfo *pinfo; - void *puc; - struct siginfo info; - struct ucontext uc; - struct _fpstate fpstate; - char retcode[8]; -}; - -static int -restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc, int *peax) -{ - unsigned int err = 0; - -#define COPY(x) err |= __get_user(regs->x, &sc->x) - -#define COPY_SEG(seg) \ - { unsigned short tmp; \ - err |= __get_user(tmp, &sc->seg); \ - regs->x##seg = tmp; } - -#define COPY_SEG_STRICT(seg) \ - { unsigned short tmp; \ - err |= __get_user(tmp, &sc->seg); \ - regs->x##seg = tmp|3; } - -#define GET_SEG(seg) \ - { unsigned short tmp; \ - err |= __get_user(tmp, &sc->seg); \ - loadsegment(seg,tmp); } - - GET_SEG(gs); - GET_SEG(fs); - COPY_SEG(es); - COPY_SEG(ds); - COPY(edi); - COPY(esi); - COPY(ebp); - COPY(esp); - COPY(ebx); - COPY(edx); - COPY(ecx); - COPY(eip); - COPY_SEG_STRICT(cs); - COPY_SEG_STRICT(ss); - - { - unsigned int tmpflags; - err |= __get_user(tmpflags, &sc->eflags); - regs->eflags = (regs->eflags & ~0x40DD5) | (tmpflags & 0x40DD5); - regs->orig_eax = -1; /* disable syscall checks */ - } - - { - struct _fpstate * buf; - err |= __get_user(buf, &sc->fpstate); - if (buf) { - if (verify_area(VERIFY_READ, buf, sizeof(*buf))) - goto badframe; - err |= restore_i387(buf); - } - } - - err |= __get_user(*peax, &sc->eax); - return err; - -badframe: - return 1; -} - -asmlinkage int sys_sigreturn(unsigned long __unused) -{ - struct pt_regs *regs = (struct pt_regs *) &__unused; - struct sigframe *frame = (struct sigframe *)(regs->esp - 8); - sigset_t set; - int eax; - - if (verify_area(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_NSIG_WORDS > 1 - && __copy_from_user(&set.sig[1], &frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sigmask_lock); - current->blocked = set; - recalc_sigpending(current); - spin_unlock_irq(¤t->sigmask_lock); - - if (restore_sigcontext(regs, &frame->sc, &eax)) - goto badframe; - return eax; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -asmlinkage int sys_rt_sigreturn(unsigned long __unused) -{ - struct pt_regs *regs = (struct pt_regs *) &__unused; - struct rt_sigframe *frame = (struct rt_sigframe *)(regs->esp - 4); - sigset_t set; - stack_t st; - int eax; - - if (verify_area(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sigmask_lock); - current->blocked = set; - recalc_sigpending(current); - spin_unlock_irq(¤t->sigmask_lock); - - if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &eax)) - goto badframe; - - if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st))) - goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - do_sigaltstack(&st, NULL, regs->esp); - - return eax; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -/* - * Set up a signal frame. - */ - -static int -setup_sigcontext(struct sigcontext *sc, struct _fpstate *fpstate, - struct pt_regs *regs, unsigned long mask) -{ - int tmp, err = 0; - - tmp = 0; - __asm__("movl %%gs,%0" : "=r"(tmp): "0"(tmp)); - err |= __put_user(tmp, (unsigned int *)&sc->gs); - __asm__("movl %%fs,%0" : "=r"(tmp): "0"(tmp)); - err |= __put_user(tmp, (unsigned int *)&sc->fs); - - err |= __put_user(regs->xes, (unsigned int *)&sc->es); - err |= __put_user(regs->xds, (unsigned int *)&sc->ds); - err |= __put_user(regs->edi, &sc->edi); - err |= __put_user(regs->esi, &sc->esi); - err |= __put_user(regs->ebp, &sc->ebp); - err |= __put_user(regs->esp, &sc->esp); - err |= __put_user(regs->ebx, &sc->ebx); - err |= __put_user(regs->edx, &sc->edx); - err |= __put_user(regs->ecx, &sc->ecx); - err |= __put_user(regs->eax, &sc->eax); - err |= __put_user(current->thread.trap_no, &sc->trapno); - err |= __put_user(current->thread.error_code, &sc->err); - err |= __put_user(regs->eip, &sc->eip); - err |= __put_user(regs->xcs, (unsigned int *)&sc->cs); - err |= __put_user(regs->eflags, &sc->eflags); - err |= __put_user(regs->esp, &sc->esp_at_signal); - err |= __put_user(regs->xss, (unsigned int *)&sc->ss); - - tmp = save_i387(fpstate); - if (tmp < 0) - err = 1; - else - err |= __put_user(tmp ? fpstate : NULL, &sc->fpstate); - - /* non-iBCS2 extensions.. */ - err |= __put_user(mask, &sc->oldmask); - err |= __put_user(current->thread.cr2, &sc->cr2); - - return err; -} - -/* - * Determine which stack to use.. - */ -static inline void * -get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) -{ - unsigned long esp; - - /* Default to using normal stack */ - esp = regs->esp; - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (sas_ss_flags(esp) == 0) - esp = current->sas_ss_sp + current->sas_ss_size; - } - - /* This is the legacy signal stack switching. */ - else if ((regs->xss & 0xffff) != __USER_DS && - !(ka->sa.sa_flags & SA_RESTORER) && - ka->sa.sa_restorer) { - esp = (unsigned long) ka->sa.sa_restorer; - } - - return (void *)((esp - frame_size) & -8ul); -} - -static void setup_frame(int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs * regs) -{ - struct sigframe *frame; - int err = 0; - - frame = get_sigframe(ka, regs, sizeof(*frame)); - - if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; - - err |= __put_user((current->exec_domain - && current->exec_domain->signal_invmap - && sig < 32 - ? current->exec_domain->signal_invmap[sig] - : sig), - &frame->sig); - if (err) - goto give_sigsegv; - - err |= setup_sigcontext(&frame->sc, &frame->fpstate, regs, set->sig[0]); - if (err) - goto give_sigsegv; - - if (_NSIG_WORDS > 1) { - err |= __copy_to_user(frame->extramask, &set->sig[1], - sizeof(frame->extramask)); - } - if (err) - goto give_sigsegv; - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ - if (ka->sa.sa_flags & SA_RESTORER) { - err |= __put_user(ka->sa.sa_restorer, &frame->pretcode); - } else { - err |= __put_user(frame->retcode, &frame->pretcode); - /* This is popl %eax ; movl $,%eax ; int $0x80 */ - err |= __put_user(0xb858, (short *)(frame->retcode+0)); - err |= __put_user(__NR_sigreturn, (int *)(frame->retcode+2)); - err |= __put_user(0x80cd, (short *)(frame->retcode+6)); - } - - if (err) - goto give_sigsegv; - - /* Set up registers for signal handler */ - regs->esp = (unsigned long) frame; - regs->eip = (unsigned long) ka->sa.sa_handler; - - set_fs(USER_DS); - regs->xds = __USER_DS; - regs->xes = __USER_DS; - regs->xss = __USER_DS; - regs->xcs = __USER_CS; - regs->eflags &= ~TF_MASK; - -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n", - current->comm, current->pid, frame, regs->eip, frame->pretcode); -#endif - - return; - -give_sigsegv: - if (sig == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; - force_sig(SIGSEGV, current); -} - -static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs) -{ - struct rt_sigframe *frame; - int err = 0; - - frame = get_sigframe(ka, regs, sizeof(*frame)); - - if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; - - err |= __put_user((current->exec_domain - && current->exec_domain->signal_invmap - && sig < 32 - ? current->exec_domain->signal_invmap[sig] - : sig), - &frame->sig); - err |= __put_user(&frame->info, &frame->pinfo); - err |= __put_user(&frame->uc, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); - if (err) - goto give_sigsegv; - - /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(regs->esp), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate, - regs, set->sig[0]); - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); - if (err) - goto give_sigsegv; - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ - if (ka->sa.sa_flags & SA_RESTORER) { - err |= __put_user(ka->sa.sa_restorer, &frame->pretcode); - } else { - err |= __put_user(frame->retcode, &frame->pretcode); - /* This is movl $,%eax ; int $0x80 */ - err |= __put_user(0xb8, (char *)(frame->retcode+0)); - err |= __put_user(__NR_rt_sigreturn, (int *)(frame->retcode+1)); - err |= __put_user(0x80cd, (short *)(frame->retcode+5)); - } - - if (err) - goto give_sigsegv; - - /* Set up registers for signal handler */ - regs->esp = (unsigned long) frame; - regs->eip = (unsigned long) ka->sa.sa_handler; - - set_fs(USER_DS); - regs->xds = __USER_DS; - regs->xes = __USER_DS; - regs->xss = __USER_DS; - regs->xcs = __USER_CS; - regs->eflags &= ~TF_MASK; - -#if DEBUG_SIG - printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n", - current->comm, current->pid, frame, regs->eip, frame->pretcode); -#endif - - return; - -give_sigsegv: - if (sig == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; - force_sig(SIGSEGV, current); -} - -/* - * OK, we're invoking a handler - */ - -static void -handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs * regs) -{ - /* Are we from a system call? */ - if (regs->orig_eax >= 0) { - /* If so, check system call restarting.. */ - switch (regs->eax) { - case -ERESTARTNOHAND: - regs->eax = -EINTR; - break; - - case -ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->eax = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - regs->eax = regs->orig_eax; - regs->eip -= 2; - } - } - - /* Set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - setup_rt_frame(sig, ka, info, oldset, regs); - else - setup_frame(sig, ka, oldset, regs); - - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - - if (!(ka->sa.sa_flags & SA_NODEFER)) { - spin_lock_irq(¤t->sigmask_lock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - sigaddset(¤t->blocked,sig); - recalc_sigpending(current); - spin_unlock_irq(¤t->sigmask_lock); - } -} - -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - */ -int do_signal(struct pt_regs *regs, sigset_t *oldset) -{ - siginfo_t info; - struct k_sigaction *ka; - - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if ((regs->xcs & 2) != 2) - return 1; - - if (!oldset) - oldset = ¤t->blocked; - - for (;;) { - unsigned long signr; - - spin_lock_irq(¤t->sigmask_lock); - signr = dequeue_signal(¤t->blocked, &info); - spin_unlock_irq(¤t->sigmask_lock); - - if (!signr) - break; - - if ((current->ptrace & PT_PTRACED) && signr != SIGKILL) { - /* Let the debugger run. */ - current->exit_code = signr; - current->state = TASK_STOPPED; - notify_parent(current, SIGCHLD); - schedule(); - - /* We're back. Did the debugger cancel the sig? */ - if (!(signr = current->exit_code)) - continue; - current->exit_code = 0; - - /* The debugger continued. Ignore SIGSTOP. */ - if (signr == SIGSTOP) - continue; - - /* Update the siginfo structure. Is this good? */ - if (signr != info.si_signo) { - info.si_signo = signr; - info.si_errno = 0; - info.si_code = SI_USER; - info.si_pid = current->p_pptr->pid; - info.si_uid = current->p_pptr->uid; - } - - /* If the (new) signal is now blocked, requeue it. */ - if (sigismember(¤t->blocked, signr)) { - send_sig_info(signr, &info, current); - continue; - } - } - - ka = ¤t->sig->action[signr-1]; - if (ka->sa.sa_handler == SIG_IGN) { - if (signr != SIGCHLD) - continue; - /* Check for SIGCHLD: it's special. */ - while (sys_wait4(-1, NULL, WNOHANG, NULL) > 0) - /* nothing */; - continue; - } - - if (ka->sa.sa_handler == SIG_DFL) { - int exit_code = signr; - - /* Init gets no signals it doesn't want. */ - if (current->pid == 1) - continue; - - switch (signr) { - case SIGCONT: case SIGCHLD: case SIGWINCH: - continue; - - case SIGTSTP: case SIGTTIN: case SIGTTOU: - if (is_orphaned_pgrp(current->pgrp)) - continue; - /* FALLTHRU */ - - case SIGSTOP: { - struct signal_struct *sig; - current->state = TASK_STOPPED; - current->exit_code = signr; - sig = current->p_pptr->sig; - if (sig && !(sig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDSTOP)) - notify_parent(current, SIGCHLD); - schedule(); - continue; - } - - case SIGQUIT: case SIGILL: case SIGTRAP: - case SIGABRT: case SIGFPE: case SIGSEGV: - case SIGBUS: case SIGSYS: case SIGXCPU: case SIGXFSZ: - if (do_coredump(signr, regs)) - exit_code |= 0x80; - /* FALLTHRU */ - - default: - sigaddset(¤t->pending.signal, signr); - recalc_sigpending(current); - current->flags |= PF_SIGNALED; - do_exit(exit_code); - /* NOTREACHED */ - } - } - - /* Reenable any watchpoints before delivering the - * signal to user space. The processor register will - * have been cleared if the watchpoint triggered - * inside the kernel. - */ - if ( current->thread.debugreg[7] != 0 ) - HYPERVISOR_set_debugreg(7, current->thread.debugreg[7]); - - /* Whee! Actually deliver the signal. */ - handle_signal(signr, ka, &info, oldset, regs); - return 1; - } - - /* Did we come from a system call? */ - if (regs->orig_eax >= 0) { - /* Restart the system call - no handlers present */ - if (regs->eax == -ERESTARTNOHAND || - regs->eax == -ERESTARTSYS || - regs->eax == -ERESTARTNOINTR) { - regs->eax = regs->orig_eax; - regs->eip -= 2; - } - } - return 0; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/sys_i386.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/sys_i386.c deleted file mode 100644 index 5fd6910b9c..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/sys_i386.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * linux/arch/i386/kernel/sys_i386.c - * - * This file contains various random system calls that - * have a non-standard calling sequence on the Linux/i386 - * platform. - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/sem.h> -#include <linux/msg.h> -#include <linux/shm.h> -#include <linux/stat.h> -#include <linux/mman.h> -#include <linux/file.h> -#include <linux/utsname.h> - -#include <asm/uaccess.h> -#include <asm/ipc.h> - -/* - * sys_pipe() is the normal C calling standard for creating - * a pipe. It's not the way Unix traditionally does this, though. - */ -asmlinkage int sys_pipe(unsigned long * fildes) -{ - int fd[2]; - int error; - - error = do_pipe(fd); - if (!error) { - if (copy_to_user(fildes, fd, 2*sizeof(int))) - error = -EFAULT; - } - return error; -} - -/* common code for old and new mmaps */ -static inline long do_mmap2( - unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - int error = -EBADF; - struct file * file = NULL; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); -out: - return error; -} - -asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - return do_mmap2(addr, len, prot, flags, fd, pgoff); -} - -/* - * Perform the select(nd, in, out, ex, tv) and mmap() system - * calls. Linux/i386 didn't use to be able to handle more than - * 4 system call parameters, so these system calls used a memory - * block for parameter passing.. - */ - -struct mmap_arg_struct { - unsigned long addr; - unsigned long len; - unsigned long prot; - unsigned long flags; - unsigned long fd; - unsigned long offset; -}; - -asmlinkage int old_mmap(struct mmap_arg_struct *arg) -{ - struct mmap_arg_struct a; - int err = -EFAULT; - - if (copy_from_user(&a, arg, sizeof(a))) - goto out; - - err = -EINVAL; - if (a.offset & ~PAGE_MASK) - goto out; - - err = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT); -out: - return err; -} - - -extern asmlinkage int sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *); - -struct sel_arg_struct { - unsigned long n; - fd_set *inp, *outp, *exp; - struct timeval *tvp; -}; - -asmlinkage int old_select(struct sel_arg_struct *arg) -{ - struct sel_arg_struct a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - /* sys_select() does the appropriate kernel locking */ - return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage int sys_ipc (uint call, int first, int second, - int third, void *ptr, long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - switch (call) { - case SEMOP: - return sys_semop (first, (struct sembuf *)ptr, second); - case SEMGET: - return sys_semget (first, second, third); - case SEMCTL: { - union semun fourth; - if (!ptr) - return -EINVAL; - if (get_user(fourth.__pad, (void **) ptr)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - - case MSGSND: - return sys_msgsnd (first, (struct msgbuf *) ptr, - second, third); - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - if (!ptr) - return -EINVAL; - - if (copy_from_user(&tmp, - (struct ipc_kludge *) ptr, - sizeof (tmp))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, - (struct msgbuf *) ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, (struct msqid_ds *) ptr); - - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = sys_shmat (first, (char *) ptr, second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong *) third); - } - case 1: /* iBCS2 emulator entry point */ - if (!segment_eq(get_fs(), get_ds())) - return -EINVAL; - return sys_shmat (first, (char *) ptr, second, (ulong *) third); - } - case SHMDT: - return sys_shmdt ((char *)ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, - (struct shmid_ds *) ptr); - default: - return -EINVAL; - } -} - -/* - * Old cruft - */ -asmlinkage int sys_uname(struct old_utsname * name) -{ - int err; - if (!name) - return -EFAULT; - down_read(&uts_sem); - err=copy_to_user(name, &system_utsname, sizeof (*name)); - up_read(&uts_sem); - return err?-EFAULT:0; -} - -asmlinkage int sys_olduname(struct oldold_utsname * name) -{ - int error; - - if (!name) - return -EFAULT; - if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname))) - return -EFAULT; - - down_read(&uts_sem); - - error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN); - error |= __put_user(0,name->sysname+__OLD_UTS_LEN); - error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); - error |= __put_user(0,name->nodename+__OLD_UTS_LEN); - error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); - error |= __put_user(0,name->release+__OLD_UTS_LEN); - error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); - error |= __put_user(0,name->version+__OLD_UTS_LEN); - error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN); - error |= __put_user(0,name->machine+__OLD_UTS_LEN); - - up_read(&uts_sem); - - error = error ? -EFAULT : 0; - - return error; -} - -asmlinkage int sys_pause(void) -{ - current->state = TASK_INTERRUPTIBLE; - schedule(); - return -ERESTARTNOHAND; -} - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/time.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/time.c deleted file mode 100644 index eb5757cdc2..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/time.c +++ /dev/null @@ -1,350 +0,0 @@ -/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*- - **************************************************************************** - * (C) 2002 - Rolf Neugebauer - Intel Research Cambridge - **************************************************************************** - * - * File: arch.xeno/time.c - * Author: Rolf Neugebauer - * Changes: - * - * Date: Nov 2002 - * - * Environment: XenoLinux - * Description: Interface with Hypervisor to get correct notion of time - * Currently supports Systemtime and WallClock time. - * - * (This has hardly any resemblence with the Linux code but left the - * copyright notice anyway. Ignore the comments in the copyright notice.) - **************************************************************************** - * $Id: c-insert.c,v 1.7 2002/11/08 16:04:34 rn Exp $ - **************************************************************************** - */ - -/* - * linux/arch/i386/kernel/time.c - * - * Copyright (C) 1991, 1992, 1995 Linus Torvalds - * - * This file contains the PC-specific time handling details: - * reading the RTC at bootup, etc.. - * 1994-07-02 Alan Modra - * fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime - * 1995-03-26 Markus Kuhn - * fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887 - * precision CMOS clock update - * 1996-05-03 Ingo Molnar - * fixed time warps in do_[slow|fast]_gettimeoffset() - * 1997-09-10 Updated NTP code according to technical memorandum Jan '96 - * "A Kernel Model for Precision Timekeeping" by Dave Mills - * 1998-09-05 (Various) - * More robust do_fast_gettimeoffset() algorithm implemented - * (works with APM, Cyrix 6x86MX and Centaur C6), - * monotonic gettimeofday() with fast_get_timeoffset(), - * drift-proof precision TSC calibration on boot - * (C. Scott Ananian <cananian@alumni.princeton.edu>, Andrew D. - * Balsa <andrebalsa@altern.org>, Philip Gladstone <philip@raptor.com>; - * ported from 2.0.35 Jumbo-9 by Michael Krause <m.krause@tu-harburg.de>). - * 1998-12-16 Andrea Arcangeli - * Fixed Jumbo-9 code in 2.1.131: do_gettimeofday was missing 1 jiffy - * because was not accounting lost_ticks. - * 1998-12-24 Copyright (C) 1998 Andrea Arcangeli - * Fixed a xtime SMP race (we need the xtime_lock rw spinlock to - * serialize accesses to xtime/lost_ticks). - */ - -#include <asm/smp.h> -#include <asm/irq.h> -#include <asm/msr.h> -#include <asm/delay.h> -#include <asm/mpspec.h> -#include <asm/uaccess.h> -#include <asm/processor.h> - -#include <asm/div64.h> -#include <asm/hypervisor.h> - -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/time.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/irq.h> - -#undef XENO_TIME_DEBUG /* adds sanity checks and periodic printouts */ - -spinlock_t rtc_lock = SPIN_LOCK_UNLOCKED; -extern rwlock_t xtime_lock; - -unsigned long cpu_khz; /* get this from Xen, used elsewhere */ -static spinlock_t hyp_stime_lock = SPIN_LOCK_UNLOCKED; -static spinlock_t hyp_wctime_lock = SPIN_LOCK_UNLOCKED; - -static u32 st_scale_f; -static u32 st_scale_i; -static u32 shadow_st_pcc; -static s64 shadow_st; - -/* - * System time. - * Although the rest of the Linux kernel doesn't know about this, we - * we use it to extrapolate passage of wallclock time. - * We need to read the values from the shared info page "atomically" - * and use the cycle counter value as the "version" number. Clashes - * should be very rare. - */ -static inline long long get_s_time(void) -{ - unsigned long flags; - u32 delta_tsc, low, pcc; - u64 delta; - s64 now; - - spin_lock_irqsave(&hyp_stime_lock, flags); - - while ((pcc = HYPERVISOR_shared_info->st_timestamp) != shadow_st_pcc) - { - barrier(); - shadow_st_pcc = pcc; - shadow_st = HYPERVISOR_shared_info->system_time; - barrier(); - } - - now = shadow_st; - /* only use bottom 32bits of TSC. This should be sufficient */ - rdtscl(low); - delta_tsc = low - pcc; - delta = ((u64)delta_tsc * st_scale_f); - delta >>= 32; - delta += ((u64)delta_tsc * st_scale_i); - - spin_unlock_irqrestore(&hyp_time_lock, flags); - - return now + delta; - -} -#define NOW() ((long long)get_s_time()) - -/* - * Wallclock time. - * Based on what the hypervisor tells us, extrapolated using system time. - * Again need to read a number of values from the shared page "atomically". - * this time using a version number. - */ -static u32 shadow_wc_version=0; -static long shadow_tv_sec; -static long shadow_tv_usec; -static long long shadow_wc_timestamp; -void do_gettimeofday(struct timeval *tv) -{ - unsigned long flags; - long usec, sec; - u32 version; - u64 now; - - spin_lock_irqsave(&hyp_wctime_lock, flags); - - while ((version = HYPERVISOR_shared_info->wc_version)!= shadow_wc_version) - { - barrier(); - shadow_wc_version = version; - shadow_tv_sec = HYPERVISOR_shared_info->tv_sec; - shadow_tv_usec = HYPERVISOR_shared_info->tv_usec; - shadow_wc_timestamp = HYPERVISOR_shared_info->wc_timestamp; - barrier(); - } - - now = NOW(); - usec = ((unsigned long)(now-shadow_wc_timestamp))/1000; - sec = shadow_tv_sec; - usec += shadow_tv_usec; - - while ( usec >= 1000000 ) - { - usec -= 1000000; - sec++; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; - - spin_unlock_irqrestore(&hyp_time_lock, flags); - -#ifdef XENO_TIME_DEBUG - { - static long long old_now=0; - static long long wct=0, old_wct=0; - - /* This debug code checks if time increase over two subsequent calls */ - wct=(((long long)sec) * 1000000) + usec; - /* wall clock time going backwards */ - if ((wct < old_wct) ) { - printk("Urgh1: wc diff=%6ld, usec = %ld (0x%lX)\n", - (long)(wct-old_wct), usec, usec); - printk(" st diff=%lld cur st=0x%016llX old st=0x%016llX\n", - now-old_now, now, old_now); - } - - /* system time going backwards */ - if (now<=old_now) { - printk("Urgh2: st diff=%lld cur st=0x%016llX old st=0x%016llX\n", - now-old_now, now, old_now); - } - old_wct = wct; - old_now = now; - } -#endif - -} - -void do_settimeofday(struct timeval *tv) -{ -/* XXX RN: should do something special here for dom0 */ -#if 0 - write_lock_irq(&xtime_lock); - /* - * This is revolting. We need to set "xtime" correctly. However, the - * value in this location is the value at the most recent update of - * wall time. Discover what correction gettimeofday() would have - * made, and then undo it! - */ - tv->tv_usec -= do_gettimeoffset(); - tv->tv_usec -= (jiffies - wall_jiffies) * (1000000 / HZ); - - while ( tv->tv_usec < 0 ) - { - tv->tv_usec += 1000000; - tv->tv_sec--; - } - - xtime = *tv; - time_adjust = 0; /* stop active adjtime() */ - time_status |= STA_UNSYNC; - time_maxerror = NTP_PHASE_LIMIT; - time_esterror = NTP_PHASE_LIMIT; - write_unlock_irq(&xtime_lock); -#endif -} - - -/* - * Timer ISR. - * Unlike normal Linux these don't come in at a fixed rate of HZ. - * In here we wrok out how often it should have been called and then call - * the architecture independent part (do_timer()) the appropriate number of - * times. A bit of a nasty hack, to keep the "other" notion of wallclock time - * happy. - */ -static long long us_per_tick=1000000/HZ; -static long long last_irq; -static inline void do_timer_interrupt(int irq, void *dev_id, - struct pt_regs *regs) -{ - struct timeval tv; - long long time, delta; - -#ifdef XENO_TIME_DEBUG - static u32 foo_count = 0; - foo_count++; - if (foo_count>= 1000) { - s64 n = NOW(); - struct timeval tv; - do_gettimeofday(&tv); - printk("0x%08X%08X %ld:%ld\n", - (u32)(n>>32), (u32)n, tv.tv_sec, tv.tv_usec); - foo_count = 0; - } -#endif - /* - * The next bit really sucks: - * Linux not only uses do_gettimeofday() to keep a notion of - * wallclock time, but also maintains the xtime struct and jiffies. - * (Even worse some userland code accesses this via the sys_time() - * system call) - * Unfortunately, xtime is maintain in the architecture independent - * part of the timer ISR (./kernel/timer.c sic!). So, although we have - * perfectly valid notion of wallclock time from the hypervisor we here - * fake missed timer interrupts so that the arch independent part of - * the Timer ISR updates jiffies for us *and* once the bh gets run - * updates xtime accordingly. Yuck! - */ - - /* work out the number of jiffies past and update them */ - do_gettimeofday(&tv); - time = (((long long)tv.tv_sec) * 1000000) + tv.tv_usec; - delta = time - last_irq; - if (delta <= 0) { - printk ("Timer ISR: Time went backwards: %lld\n", delta); - return; - } - while (delta >= us_per_tick) { - do_timer(regs); - delta -= us_per_tick; - last_irq += us_per_tick; - } - -#if 0 - if (!user_mode(regs)) - x86_do_profile(regs->eip); -#endif -} - -static void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - write_lock(&xtime_lock); - do_timer_interrupt(irq, NULL, regs); - write_unlock(&xtime_lock); -} - -static struct irqaction irq_timer = { - timer_interrupt, - SA_INTERRUPT, - 0, - "timer", - NULL, - NULL -}; - -void __init time_init(void) -{ - unsigned long long alarm; - u64 cpu_freq = HYPERVISOR_shared_info->cpu_freq; - u64 scale; - - do_get_fast_time = do_gettimeofday; - - cpu_khz = (u32)cpu_freq/1000; - printk("Xen reported: %lu.%03lu MHz processor.\n", - cpu_khz / 1000, cpu_khz % 1000); - - /* - * calculate systemtime scaling factor - * XXX RN: have to cast cpu_freq to u32 limits it to 4.29 GHz. - * Get a better do_div! - */ - scale = 1000000000LL << 32; - do_div(scale,(u32)cpu_freq); - st_scale_f = scale & 0xffffffff; - st_scale_i = scale >> 32; - printk("System Time scale: %X %X\n",st_scale_i, st_scale_f); - - do_gettimeofday(&xtime); - last_irq = (((long long)xtime.tv_sec) * 1000000) + xtime.tv_usec; - - setup_irq(TIMER_IRQ, &irq_timer); - - /* - * Start ticker. Note that timing runs of wall clock, not virtual - * 'domain' time. This means that clock sshould run at the correct - * rate. For things like scheduling, it's not clear whether it - * matters which sort of time we use. - * XXX RN: unimplemented. - */ - - rdtscll(alarm); -#if 0 - alarm += (1000/HZ)*HYPERVISOR_shared_info->ticks_per_ms; - HYPERVISOR_shared_info->wall_timeout = alarm; - HYPERVISOR_shared_info->domain_timeout = ~0ULL; -#endif - clear_bit(_EVENT_TIMER, &HYPERVISOR_shared_info->events); -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/traps.c b/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/traps.c deleted file mode 100644 index c274928ae9..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/kernel/traps.c +++ /dev/null @@ -1,567 +0,0 @@ -/* - * linux/arch/i386/traps.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * Pentium III FXSR, SSE support - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -/* - * 'Traps.c' handles hardware traps and faults after we have saved some - * state in 'asm.s'. - */ -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/ptrace.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <linux/highmem.h> - -#include <linux/kdb.h> - -#include <asm/system.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/atomic.h> -#include <asm/debugreg.h> -#include <asm/desc.h> -#include <asm/i387.h> - -#include <asm/smp.h> -#include <asm/pgalloc.h> - -#include <asm/hypervisor.h> - -#include <linux/irq.h> -#include <linux/module.h> - -asmlinkage int system_call(void); - -asmlinkage void divide_error(void); -asmlinkage void debug(void); -asmlinkage void int3(void); -asmlinkage void overflow(void); -asmlinkage void bounds(void); -asmlinkage void invalid_op(void); -asmlinkage void device_not_available(void); -asmlinkage void double_fault(void); -asmlinkage void coprocessor_segment_overrun(void); -asmlinkage void invalid_TSS(void); -asmlinkage void segment_not_present(void); -asmlinkage void stack_segment(void); -asmlinkage void general_protection(void); -asmlinkage void page_fault(void); -asmlinkage void coprocessor_error(void); -asmlinkage void simd_coprocessor_error(void); -asmlinkage void alignment_check(void); -asmlinkage void spurious_interrupt_bug(void); -asmlinkage void machine_check(void); - -int kstack_depth_to_print = 24; - - -/* - * If the address is either in the .text section of the - * kernel, or in the vmalloc'ed module regions, it *may* - * be the address of a calling routine - */ - -#ifdef CONFIG_MODULES - -extern struct module *module_list; -extern struct module kernel_module; - -static inline int kernel_text_address(unsigned long addr) -{ - int retval = 0; - struct module *mod; - - if (addr >= (unsigned long) &_stext && - addr <= (unsigned long) &_etext) - return 1; - - for (mod = module_list; mod != &kernel_module; mod = mod->next) { - /* mod_bound tests for addr being inside the vmalloc'ed - * module area. Of course it'd be better to test only - * for the .text subset... */ - if (mod_bound(addr, 0, mod)) { - retval = 1; - break; - } - } - - return retval; -} - -#else - -static inline int kernel_text_address(unsigned long addr) -{ - return (addr >= (unsigned long) &_stext && - addr <= (unsigned long) &_etext); -} - -#endif - -void show_trace(unsigned long * stack) -{ - int i; - unsigned long addr; - - if (!stack) - stack = (unsigned long*)&stack; - - printk("Call Trace: "); - i = 1; - while (((long) stack & (THREAD_SIZE-1)) != 0) { - addr = *stack++; - if (kernel_text_address(addr)) { - if (i && ((i % 6) == 0)) - printk("\n "); - printk("[<%08lx>] ", addr); - i++; - } - } - printk("\n"); -} - -void show_trace_task(struct task_struct *tsk) -{ - unsigned long esp = tsk->thread.esp; - - /* User space on another CPU? */ - if ((esp ^ (unsigned long)tsk) & (PAGE_MASK<<1)) - return; - show_trace((unsigned long *)esp); -} - -void show_stack(unsigned long * esp) -{ - unsigned long *stack; - int i; - - // debugging aid: "show_stack(NULL);" prints the - // back trace for this cpu. - - if(esp==NULL) - esp=(unsigned long*)&esp; - - stack = esp; - for(i=0; i < kstack_depth_to_print; i++) { - if (((long) stack & (THREAD_SIZE-1)) == 0) - break; - if (i && ((i % 8) == 0)) - printk("\n "); - printk("%08lx ", *stack++); - } - printk("\n"); - show_trace(esp); -} - -void show_registers(struct pt_regs *regs) -{ - int i; - int in_kernel = 1; - unsigned long esp; - unsigned short ss; - - esp = (unsigned long) (®s->esp); - ss = __KERNEL_DS; - if (regs->xcs & 2) { - in_kernel = 0; - esp = regs->esp; - ss = regs->xss & 0xffff; - } - printk("CPU: %d\nEIP: %04x:[<%08lx>] %s\nEFLAGS: %08lx\n", - smp_processor_id(), 0xffff & regs->xcs, regs->eip, print_tainted(), regs->eflags); - printk("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n", - regs->eax, regs->ebx, regs->ecx, regs->edx); - printk("esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n", - regs->esi, regs->edi, regs->ebp, esp); - printk("ds: %04x es: %04x ss: %04x\n", - regs->xds & 0xffff, regs->xes & 0xffff, ss); - printk("Process %s (pid: %d, stackpage=%08lx)", - current->comm, current->pid, 4096+(unsigned long)current); - /* - * When in-kernel, we also print out the stack and code at the - * time of the fault.. - */ - if (in_kernel) { - - printk("\nStack: "); - show_stack((unsigned long*)esp); - -#if 0 - printk("\nCode: "); - if(regs->eip < PAGE_OFFSET) - goto bad; - - for(i=0;i<20;i++) - { - unsigned char c; - if(__get_user(c, &((unsigned char*)regs->eip)[i])) { -bad: - printk(" Bad EIP value."); - break; - } - printk("%02x ", c); - } -#endif - } - printk("\n"); -} - -spinlock_t die_lock = SPIN_LOCK_UNLOCKED; - -void die(const char * str, struct pt_regs * regs, long err) -{ - console_verbose(); - spin_lock_irq(&die_lock); - bust_spinlocks(1); - printk("%s: %04lx\n", str, err & 0xffff); - show_registers(regs); - bust_spinlocks(0); - spin_unlock_irq(&die_lock); - do_exit(SIGSEGV); -} - -static inline void die_if_kernel(const char * str, struct pt_regs * regs, long err) -{ - if (!(2 & regs->xcs)) - die(str, regs, err); -} - - -static void inline do_trap(int trapnr, int signr, char *str, - struct pt_regs * regs, long error_code, - siginfo_t *info) -{ - if (!(regs->xcs & 2)) - goto kernel_trap; - - /*trap_signal:*/ { - struct task_struct *tsk = current; - tsk->thread.error_code = error_code; - tsk->thread.trap_no = trapnr; - if (info) - force_sig_info(signr, info, tsk); - else - force_sig(signr, tsk); - return; - } - - kernel_trap: { - unsigned long fixup = search_exception_table(regs->eip); - if (fixup) - regs->eip = fixup; - else - die(str, regs, error_code); - return; - } -} - -#define DO_ERROR(trapnr, signr, str, name) \ -asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ -{ \ - do_trap(trapnr, signr, str, regs, error_code, NULL); \ -} - -#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ -{ \ - siginfo_t info; \ - info.si_signo = signr; \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void *)siaddr; \ - do_trap(trapnr, signr, str, regs, error_code, &info); \ -} - -DO_ERROR_INFO( 0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->eip) -DO_ERROR( 3, SIGTRAP, "int3", int3) -DO_ERROR( 4, SIGSEGV, "overflow", overflow) -DO_ERROR( 5, SIGSEGV, "bounds", bounds) -DO_ERROR_INFO( 6, SIGILL, "invalid operand", invalid_op, ILL_ILLOPN, regs->eip) -DO_ERROR( 7, SIGSEGV, "device not available", device_not_available) -DO_ERROR( 8, SIGSEGV, "double fault", double_fault) -DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) -DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) -DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) -DO_ERROR(12, SIGBUS, "stack segment", stack_segment) -DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) -DO_ERROR(18, SIGBUS, "machine check", machine_check) - -asmlinkage void do_general_protection(struct pt_regs * regs, long error_code) -{ - if (!(regs->xcs & 2)) - goto gp_in_kernel; - - current->thread.error_code = error_code; - current->thread.trap_no = 13; - force_sig(SIGSEGV, current); - return; - -gp_in_kernel: - { - unsigned long fixup; - fixup = search_exception_table(regs->eip); - if (fixup) { - regs->eip = fixup; - return; - } - die("general protection fault", regs, error_code); - } -} - - -asmlinkage void do_debug(struct pt_regs * regs, long error_code) -{ - unsigned int condition; - struct task_struct *tsk = current; - siginfo_t info; - - condition = HYPERVISOR_get_debugreg(6); - - /* Mask out spurious debug traps due to lazy DR7 setting */ - if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) { - if (!tsk->thread.debugreg[7]) - goto clear_dr7; - } - - /* Save debug status register where ptrace can see it */ - tsk->thread.debugreg[6] = condition; - - /* Mask out spurious TF errors due to lazy TF clearing */ - if (condition & DR_STEP) { - /* - * The TF error should be masked out only if the current - * process is not traced and if the TRAP flag has been set - * previously by a tracing process (condition detected by - * the PT_DTRACE flag); remember that the i386 TRAP flag - * can be modified by the process itself in user mode, - * allowing programs to debug themselves without the ptrace() - * interface. - */ - if ((tsk->ptrace & (PT_DTRACE|PT_PTRACED)) == PT_DTRACE) - goto clear_TF; - } - - /* Ok, finally something we can handle */ - tsk->thread.trap_no = 1; - tsk->thread.error_code = error_code; - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_BRKPT; - - /* If this is a kernel mode trap, save the user PC on entry to - * the kernel, that's what the debugger can make sense of. - */ - info.si_addr = ((regs->xcs & 3) == 0) ? (void *)tsk->thread.eip : - (void *)regs->eip; - force_sig_info(SIGTRAP, &info, tsk); - - /* Disable additional traps. They'll be re-enabled when - * the signal is delivered. - */ - clear_dr7: - HYPERVISOR_set_debugreg(7, 0); - return; - - clear_TF: - regs->eflags &= ~TF_MASK; - return; -} - - -/* - * Note that we play around with the 'TS' bit in an attempt to get - * the correct behaviour even in the presence of the asynchronous - * IRQ13 behaviour - */ -void math_error(void *eip) -{ - struct task_struct * task; - siginfo_t info; - unsigned short cwd, swd; - - /* - * Save the info for the exception handler and clear the error. - */ - task = current; - save_init_fpu(task); - task->thread.trap_no = 16; - task->thread.error_code = 0; - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = __SI_FAULT; - info.si_addr = eip; - /* - * (~cwd & swd) will mask out exceptions that are not set to unmasked - * status. 0x3f is the exception bits in these regs, 0x200 is the - * C1 reg you need in case of a stack fault, 0x040 is the stack - * fault bit. We should only be taking one exception at a time, - * so if this combination doesn't produce any single exception, - * then we have a bad program that isn't syncronizing its FPU usage - * and it will suffer the consequences since we won't be able to - * fully reproduce the context of the exception - */ - cwd = get_fpu_cwd(task); - swd = get_fpu_swd(task); - switch (((~cwd) & swd & 0x3f) | (swd & 0x240)) { - case 0x000: - default: - break; - case 0x001: /* Invalid Op */ - case 0x040: /* Stack Fault */ - case 0x240: /* Stack Fault | Direction */ - info.si_code = FPE_FLTINV; - break; - case 0x002: /* Denormalize */ - case 0x010: /* Underflow */ - info.si_code = FPE_FLTUND; - break; - case 0x004: /* Zero Divide */ - info.si_code = FPE_FLTDIV; - break; - case 0x008: /* Overflow */ - info.si_code = FPE_FLTOVF; - break; - case 0x020: /* Precision */ - info.si_code = FPE_FLTRES; - break; - } - force_sig_info(SIGFPE, &info, task); -} - -asmlinkage void do_coprocessor_error(struct pt_regs * regs, long error_code) -{ - ignore_irq13 = 1; - math_error((void *)regs->eip); -} - -void simd_math_error(void *eip) -{ - struct task_struct * task; - siginfo_t info; - unsigned short mxcsr; - - /* - * Save the info for the exception handler and clear the error. - */ - task = current; - save_init_fpu(task); - task->thread.trap_no = 19; - task->thread.error_code = 0; - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = __SI_FAULT; - info.si_addr = eip; - /* - * The SIMD FPU exceptions are handled a little differently, as there - * is only a single status/control register. Thus, to determine which - * unmasked exception was caught we must mask the exception mask bits - * at 0x1f80, and then use these to mask the exception bits at 0x3f. - */ - mxcsr = get_fpu_mxcsr(task); - switch (~((mxcsr & 0x1f80) >> 7) & (mxcsr & 0x3f)) { - case 0x000: - default: - break; - case 0x001: /* Invalid Op */ - info.si_code = FPE_FLTINV; - break; - case 0x002: /* Denormalize */ - case 0x010: /* Underflow */ - info.si_code = FPE_FLTUND; - break; - case 0x004: /* Zero Divide */ - info.si_code = FPE_FLTDIV; - break; - case 0x008: /* Overflow */ - info.si_code = FPE_FLTOVF; - break; - case 0x020: /* Precision */ - info.si_code = FPE_FLTRES; - break; - } - force_sig_info(SIGFPE, &info, task); -} - -asmlinkage void do_simd_coprocessor_error(struct pt_regs * regs, - long error_code) -{ - if (cpu_has_xmm) { - /* Handle SIMD FPU exceptions on PIII+ processors. */ - ignore_irq13 = 1; - simd_math_error((void *)regs->eip); - } else { - die_if_kernel("cache flush denied", regs, error_code); - current->thread.trap_no = 19; - current->thread.error_code = error_code; - force_sig(SIGSEGV, current); - } -} - -asmlinkage void do_spurious_interrupt_bug(struct pt_regs * regs, - long error_code) -{ -} - -/* - * 'math_state_restore()' saves the current math information in the - * old math state array, and gets the new ones from the current task - * - * Careful.. There are problems with IBM-designed IRQ13 behaviour. - * Don't touch unless you *really* know how it works. - */ -asmlinkage void math_state_restore(struct pt_regs regs) -{ - if (current->used_math) { - restore_fpu(current); - } else { - init_fpu(); - } - current->flags |= PF_USEDFPU; /* So we fnsave on switch_to() */ -} - -static trap_info_t trap_table[] = { - { 0, 0, __KERNEL_CS, (unsigned long)divide_error }, - { 1, 0, __KERNEL_CS, (unsigned long)debug }, - { 3, 3, __KERNEL_CS, (unsigned long)int3 }, - { 4, 3, __KERNEL_CS, (unsigned long)overflow }, - { 5, 3, __KERNEL_CS, (unsigned long)bounds }, - { 6, 0, __KERNEL_CS, (unsigned long)invalid_op }, - { 7, 0, __KERNEL_CS, (unsigned long)device_not_available }, - { 8, 0, __KERNEL_CS, (unsigned long)double_fault }, - { 9, 0, __KERNEL_CS, (unsigned long)coprocessor_segment_overrun }, - { 10, 0, __KERNEL_CS, (unsigned long)invalid_TSS }, - { 11, 0, __KERNEL_CS, (unsigned long)segment_not_present }, - { 12, 0, __KERNEL_CS, (unsigned long)stack_segment }, - { 13, 0, __KERNEL_CS, (unsigned long)general_protection }, - { 14, 0, __KERNEL_CS, (unsigned long)page_fault }, - { 15, 0, __KERNEL_CS, (unsigned long)spurious_interrupt_bug }, - { 16, 0, __KERNEL_CS, (unsigned long)coprocessor_error }, - { 17, 0, __KERNEL_CS, (unsigned long)alignment_check }, - { 18, 0, __KERNEL_CS, (unsigned long)machine_check }, - { 19, 0, __KERNEL_CS, (unsigned long)simd_coprocessor_error }, - { SYSCALL_VECTOR, - 3, __KERNEL_CS, (unsigned long)system_call }, - { 0, 0, 0, 0 } -}; - - - -void __init trap_init(void) -{ - HYPERVISOR_set_trap_table(trap_table); - HYPERVISOR_set_fast_trap(SYSCALL_VECTOR); - cpu_init(); -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/Makefile deleted file mode 100644 index 2224f0312c..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/Makefile +++ /dev/null @@ -1,15 +0,0 @@ - -.S.o: - $(CC) $(AFLAGS) -c $< -o $*.o - -L_TARGET = lib.a - -obj-y = checksum.o old-checksum.o delay.o \ - usercopy.o getuser.o \ - memcpy.o strstr.o - -obj-$(CONFIG_X86_USE_3DNOW) += mmx.o -obj-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o -obj-$(CONFIG_DEBUG_IOVIRT) += iodebug.o - -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/checksum.S b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/checksum.S deleted file mode 100644 index bfc6389531..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/checksum.S +++ /dev/null @@ -1,460 +0,0 @@ -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * IP/TCP/UDP checksumming routines - * - * Authors: Jorge Cwik, <jorge@laser.satlink.net> - * Arnt Gulbrandsen, <agulbra@nvg.unit.no> - * Tom May, <ftom@netcom.com> - * Pentium Pro/II routines: - * Alexander Kjeldaas <astor@guardian.no> - * Finn Arne Gangstad <finnag@guardian.no> - * Lots of code moved from tcp.c and ip.c; see those files - * for more names. - * - * Changes: Ingo Molnar, converted csum_partial_copy() to 2.1 exception - * handling. - * Andi Kleen, add zeroing on error - * converted to pure assembler - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/config.h> -#include <asm/errno.h> - -/* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ - -/* -unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum) - */ - -.text -.align 4 -.globl csum_partial - -#ifndef CONFIG_X86_USE_PPRO_CHECKSUM - - /* - * Experiments with Ethernet and SLIP connections show that buff - * is aligned on either a 2-byte or 4-byte boundary. We get at - * least a twofold speedup on 486 and Pentium if it is 4-byte aligned. - * Fortunately, it is easy to convert 2-byte alignment to 4-byte - * alignment for the unrolled loop. - */ -csum_partial: - pushl %esi - pushl %ebx - movl 20(%esp),%eax # Function arg: unsigned int sum - movl 16(%esp),%ecx # Function arg: int len - movl 12(%esp),%esi # Function arg: unsigned char *buff - testl $2, %esi # Check alignment. - jz 2f # Jump if alignment is ok. - subl $2, %ecx # Alignment uses up two bytes. - jae 1f # Jump if we had at least two bytes. - addl $2, %ecx # ecx was < 2. Deal with it. - jmp 4f -1: movw (%esi), %bx - addl $2, %esi - addw %bx, %ax - adcl $0, %eax -2: - movl %ecx, %edx - shrl $5, %ecx - jz 2f - testl %esi, %esi -1: movl (%esi), %ebx - adcl %ebx, %eax - movl 4(%esi), %ebx - adcl %ebx, %eax - movl 8(%esi), %ebx - adcl %ebx, %eax - movl 12(%esi), %ebx - adcl %ebx, %eax - movl 16(%esi), %ebx - adcl %ebx, %eax - movl 20(%esi), %ebx - adcl %ebx, %eax - movl 24(%esi), %ebx - adcl %ebx, %eax - movl 28(%esi), %ebx - adcl %ebx, %eax - lea 32(%esi), %esi - dec %ecx - jne 1b - adcl $0, %eax -2: movl %edx, %ecx - andl $0x1c, %edx - je 4f - shrl $2, %edx # This clears CF -3: adcl (%esi), %eax - lea 4(%esi), %esi - dec %edx - jne 3b - adcl $0, %eax -4: andl $3, %ecx - jz 7f - cmpl $2, %ecx - jb 5f - movw (%esi),%cx - leal 2(%esi),%esi - je 6f - shll $16,%ecx -5: movb (%esi),%cl -6: addl %ecx,%eax - adcl $0, %eax -7: - popl %ebx - popl %esi - ret - -#else - -/* Version for PentiumII/PPro */ - -csum_partial: - pushl %esi - pushl %ebx - movl 20(%esp),%eax # Function arg: unsigned int sum - movl 16(%esp),%ecx # Function arg: int len - movl 12(%esp),%esi # Function arg: const unsigned char *buf - - testl $2, %esi - jnz 30f -10: - movl %ecx, %edx - movl %ecx, %ebx - andl $0x7c, %ebx - shrl $7, %ecx - addl %ebx,%esi - shrl $2, %ebx - negl %ebx - lea 45f(%ebx,%ebx,2), %ebx - testl %esi, %esi - jmp *%ebx - - # Handle 2-byte-aligned regions -20: addw (%esi), %ax - lea 2(%esi), %esi - adcl $0, %eax - jmp 10b - -30: subl $2, %ecx - ja 20b - je 32f - movzbl (%esi),%ebx # csumming 1 byte, 2-aligned - addl %ebx, %eax - adcl $0, %eax - jmp 80f -32: - addw (%esi), %ax # csumming 2 bytes, 2-aligned - adcl $0, %eax - jmp 80f - -40: - addl -128(%esi), %eax - adcl -124(%esi), %eax - adcl -120(%esi), %eax - adcl -116(%esi), %eax - adcl -112(%esi), %eax - adcl -108(%esi), %eax - adcl -104(%esi), %eax - adcl -100(%esi), %eax - adcl -96(%esi), %eax - adcl -92(%esi), %eax - adcl -88(%esi), %eax - adcl -84(%esi), %eax - adcl -80(%esi), %eax - adcl -76(%esi), %eax - adcl -72(%esi), %eax - adcl -68(%esi), %eax - adcl -64(%esi), %eax - adcl -60(%esi), %eax - adcl -56(%esi), %eax - adcl -52(%esi), %eax - adcl -48(%esi), %eax - adcl -44(%esi), %eax - adcl -40(%esi), %eax - adcl -36(%esi), %eax - adcl -32(%esi), %eax - adcl -28(%esi), %eax - adcl -24(%esi), %eax - adcl -20(%esi), %eax - adcl -16(%esi), %eax - adcl -12(%esi), %eax - adcl -8(%esi), %eax - adcl -4(%esi), %eax -45: - lea 128(%esi), %esi - adcl $0, %eax - dec %ecx - jge 40b - movl %edx, %ecx -50: andl $3, %ecx - jz 80f - - # Handle the last 1-3 bytes without jumping - notl %ecx # 1->2, 2->1, 3->0, higher bits are masked - movl $0xffffff,%ebx # by the shll and shrl instructions - shll $3,%ecx - shrl %cl,%ebx - andl -128(%esi),%ebx # esi is 4-aligned so should be ok - addl %ebx,%eax - adcl $0,%eax -80: - popl %ebx - popl %esi - ret - -#endif - -/* -unsigned int csum_partial_copy_generic (const char *src, char *dst, - int len, int sum, int *src_err_ptr, int *dst_err_ptr) - */ - -/* - * Copy from ds while checksumming, otherwise like csum_partial - * - * The macros SRC and DST specify the type of access for the instruction. - * thus we can call a custom exception handler for all access types. - * - * FIXME: could someone double-check whether I haven't mixed up some SRC and - * DST definitions? It's damn hard to trigger all cases. I hope I got - * them all but there's no guarantee. - */ - -#define SRC(y...) \ - 9999: y; \ - .section __ex_table, "a"; \ - .long 9999b, 6001f ; \ - .previous - -#define DST(y...) \ - 9999: y; \ - .section __ex_table, "a"; \ - .long 9999b, 6002f ; \ - .previous - -.align 4 -.globl csum_partial_copy_generic - -#ifndef CONFIG_X86_USE_PPRO_CHECKSUM - -#define ARGBASE 16 -#define FP 12 - -csum_partial_copy_generic: - subl $4,%esp - pushl %edi - pushl %esi - pushl %ebx - movl ARGBASE+16(%esp),%eax # sum - movl ARGBASE+12(%esp),%ecx # len - movl ARGBASE+4(%esp),%esi # src - movl ARGBASE+8(%esp),%edi # dst - - testl $2, %edi # Check alignment. - jz 2f # Jump if alignment is ok. - subl $2, %ecx # Alignment uses up two bytes. - jae 1f # Jump if we had at least two bytes. - addl $2, %ecx # ecx was < 2. Deal with it. - jmp 4f -SRC(1: movw (%esi), %bx ) - addl $2, %esi -DST( movw %bx, (%edi) ) - addl $2, %edi - addw %bx, %ax - adcl $0, %eax -2: - movl %ecx, FP(%esp) - shrl $5, %ecx - jz 2f - testl %esi, %esi -SRC(1: movl (%esi), %ebx ) -SRC( movl 4(%esi), %edx ) - adcl %ebx, %eax -DST( movl %ebx, (%edi) ) - adcl %edx, %eax -DST( movl %edx, 4(%edi) ) - -SRC( movl 8(%esi), %ebx ) -SRC( movl 12(%esi), %edx ) - adcl %ebx, %eax -DST( movl %ebx, 8(%edi) ) - adcl %edx, %eax -DST( movl %edx, 12(%edi) ) - -SRC( movl 16(%esi), %ebx ) -SRC( movl 20(%esi), %edx ) - adcl %ebx, %eax -DST( movl %ebx, 16(%edi) ) - adcl %edx, %eax -DST( movl %edx, 20(%edi) ) - -SRC( movl 24(%esi), %ebx ) -SRC( movl 28(%esi), %edx ) - adcl %ebx, %eax -DST( movl %ebx, 24(%edi) ) - adcl %edx, %eax -DST( movl %edx, 28(%edi) ) - - lea 32(%esi), %esi - lea 32(%edi), %edi - dec %ecx - jne 1b - adcl $0, %eax -2: movl FP(%esp), %edx - movl %edx, %ecx - andl $0x1c, %edx - je 4f - shrl $2, %edx # This clears CF -SRC(3: movl (%esi), %ebx ) - adcl %ebx, %eax -DST( movl %ebx, (%edi) ) - lea 4(%esi), %esi - lea 4(%edi), %edi - dec %edx - jne 3b - adcl $0, %eax -4: andl $3, %ecx - jz 7f - cmpl $2, %ecx - jb 5f -SRC( movw (%esi), %cx ) - leal 2(%esi), %esi -DST( movw %cx, (%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%ecx -SRC(5: movb (%esi), %cl ) -DST( movb %cl, (%edi) ) -6: addl %ecx, %eax - adcl $0, %eax -7: -5000: - -# Exception handler: -.section .fixup, "ax" - -6001: - movl ARGBASE+20(%esp), %ebx # src_err_ptr - movl $-EFAULT, (%ebx) - - # zero the complete destination - computing the rest - # is too much work - movl ARGBASE+8(%esp), %edi # dst - movl ARGBASE+12(%esp), %ecx # len - xorl %eax,%eax - rep ; stosb - - jmp 5000b - -6002: - movl ARGBASE+24(%esp), %ebx # dst_err_ptr - movl $-EFAULT,(%ebx) - jmp 5000b - -.previous - - popl %ebx - popl %esi - popl %edi - popl %ecx # equivalent to addl $4,%esp - ret - -#else - -/* Version for PentiumII/PPro */ - -#define ROUND1(x) \ - SRC(movl x(%esi), %ebx ) ; \ - addl %ebx, %eax ; \ - DST(movl %ebx, x(%edi) ) ; - -#define ROUND(x) \ - SRC(movl x(%esi), %ebx ) ; \ - adcl %ebx, %eax ; \ - DST(movl %ebx, x(%edi) ) ; - -#define ARGBASE 12 - -csum_partial_copy_generic: - pushl %ebx - pushl %edi - pushl %esi - movl ARGBASE+4(%esp),%esi #src - movl ARGBASE+8(%esp),%edi #dst - movl ARGBASE+12(%esp),%ecx #len - movl ARGBASE+16(%esp),%eax #sum -# movl %ecx, %edx - movl %ecx, %ebx - movl %esi, %edx - shrl $6, %ecx - andl $0x3c, %ebx - negl %ebx - subl %ebx, %esi - subl %ebx, %edi - lea -1(%esi),%edx - andl $-32,%edx - lea 3f(%ebx,%ebx), %ebx - testl %esi, %esi - jmp *%ebx -1: addl $64,%esi - addl $64,%edi - SRC(movb -32(%edx),%bl) ; SRC(movb (%edx),%bl) - ROUND1(-64) ROUND(-60) ROUND(-56) ROUND(-52) - ROUND (-48) ROUND(-44) ROUND(-40) ROUND(-36) - ROUND (-32) ROUND(-28) ROUND(-24) ROUND(-20) - ROUND (-16) ROUND(-12) ROUND(-8) ROUND(-4) -3: adcl $0,%eax - addl $64, %edx - dec %ecx - jge 1b -4: movl ARGBASE+12(%esp),%edx #len - andl $3, %edx - jz 7f - cmpl $2, %edx - jb 5f -SRC( movw (%esi), %dx ) - leal 2(%esi), %esi -DST( movw %dx, (%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%edx -5: -SRC( movb (%esi), %dl ) -DST( movb %dl, (%edi) ) -6: addl %edx, %eax - adcl $0, %eax -7: -.section .fixup, "ax" -6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr - movl $-EFAULT, (%ebx) - # zero the complete destination (computing the rest is too much work) - movl ARGBASE+8(%esp),%edi # dst - movl ARGBASE+12(%esp),%ecx # len - xorl %eax,%eax - rep; stosb - jmp 7b -6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr - movl $-EFAULT, (%ebx) - jmp 7b -.previous - - popl %esi - popl %edi - popl %ebx - ret - -#undef ROUND -#undef ROUND1 - -#endif diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/dec_and_lock.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/dec_and_lock.c deleted file mode 100644 index ffd4869001..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/dec_and_lock.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - * x86 version of "atomic_dec_and_lock()" using - * the atomic "cmpxchg" instruction. - * - * (For CPU's lacking cmpxchg, we use the slow - * generic version, and this one never even gets - * compiled). - */ - -#include <linux/spinlock.h> -#include <asm/atomic.h> - -int atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) -{ - int counter; - int newcount; - -repeat: - counter = atomic_read(atomic); - newcount = counter-1; - - if (!newcount) - goto slow_path; - - asm volatile("lock; cmpxchgl %1,%2" - :"=a" (newcount) - :"r" (newcount), "m" (atomic->counter), "0" (counter)); - - /* If the above failed, "eax" will have changed */ - if (newcount != counter) - goto repeat; - return 0; - -slow_path: - spin_lock(lock); - if (atomic_dec_and_test(atomic)) - return 1; - spin_unlock(lock); - return 0; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/delay.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/delay.c deleted file mode 100644 index c9180268f8..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/delay.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Precise Delay Loops for i386 - * - * Copyright (C) 1993 Linus Torvalds - * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz> - * - * The __delay function must _NOT_ be inlined as its execution time - * depends wildly on alignment on many x86 processors. The additional - * jump magic is needed to get the timing stable on all the CPU's - * we have to worry about. - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <asm/processor.h> -#include <asm/delay.h> - -#ifdef CONFIG_SMP -#include <asm/smp.h> -#endif - -void __delay(unsigned long loops) -{ - unsigned long bclock, now; - - rdtscl(bclock); - do - { - rep_nop(); - rdtscl(now); - } while ((now-bclock) < loops); -} - -inline void __const_udelay(unsigned long xloops) -{ - int d0; - __asm__("mull %0" - :"=d" (xloops), "=&a" (d0) - :"1" (xloops),"0" (current_cpu_data.loops_per_jiffy)); - __delay(xloops * HZ); -} - -void __udelay(unsigned long usecs) -{ - __const_udelay(usecs * 0x000010c6); /* 2**32 / 1000000 */ -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/getuser.S b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/getuser.S deleted file mode 100644 index c244721e70..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/getuser.S +++ /dev/null @@ -1,73 +0,0 @@ -/* - * __get_user functions. - * - * (C) Copyright 1998 Linus Torvalds - * - * These functions have a non-standard call interface - * to make them more efficient, especially as they - * return an error value in addition to the "real" - * return value. - */ - -/* - * __get_user_X - * - * Inputs: %eax contains the address - * - * Outputs: %eax is error code (0 or -EFAULT) - * %edx contains zero-extended value - * - * These functions should not modify any other registers, - * as they get called from within inline assembly. - */ - -addr_limit = 12 - -.text -.align 4 -.globl __get_user_1 -__get_user_1: - movl %esp,%edx - andl $0xffffe000,%edx - cmpl addr_limit(%edx),%eax - jae bad_get_user -1: movzbl (%eax),%edx - xorl %eax,%eax - ret - -.align 4 -.globl __get_user_2 -__get_user_2: - addl $1,%eax - movl %esp,%edx - jc bad_get_user - andl $0xffffe000,%edx - cmpl addr_limit(%edx),%eax - jae bad_get_user -2: movzwl -1(%eax),%edx - xorl %eax,%eax - ret - -.align 4 -.globl __get_user_4 -__get_user_4: - addl $3,%eax - movl %esp,%edx - jc bad_get_user - andl $0xffffe000,%edx - cmpl addr_limit(%edx),%eax - jae bad_get_user -3: movl -3(%eax),%edx - xorl %eax,%eax - ret - -bad_get_user: - xorl %edx,%edx - movl $-14,%eax - ret - -.section __ex_table,"a" - .long 1b,bad_get_user - .long 2b,bad_get_user - .long 3b,bad_get_user -.previous diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/iodebug.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/iodebug.c deleted file mode 100644 index 701a07fe72..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/iodebug.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <asm/io.h> - -void * __io_virt_debug(unsigned long x, const char *file, int line) -{ - if (x < PAGE_OFFSET) { - printk("io mapaddr 0x%05lx not valid at %s:%d!\n", x, file, line); - return __va(x); - } - return (void *)x; -} - -unsigned long __io_phys_debug(unsigned long x, const char *file, int line) -{ - if (x < PAGE_OFFSET) { - printk("io mapaddr 0x%05lx not valid at %s:%d!\n", x, file, line); - return x; - } - return __pa(x); -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/memcpy.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/memcpy.c deleted file mode 100644 index 4cb37b6e50..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/memcpy.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <linux/config.h> -#include <linux/string.h> - -#undef memcpy -#undef memset - -void * memcpy(void * to, const void * from, size_t n) -{ -#ifdef CONFIG_X86_USE_3DNOW - return __memcpy3d(to, from, n); -#else - return __memcpy(to, from, n); -#endif -} - -void * memset(void * s, int c, size_t count) -{ - return __memset(s, c, count); -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/mmx.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/mmx.c deleted file mode 100644 index 0433cfa319..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/mmx.c +++ /dev/null @@ -1,375 +0,0 @@ -#include <linux/config.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/sched.h> - -#include <asm/i387.h> -#include <asm/hardirq.h> - - -/* - * MMX 3DNow! library helper functions - * - * To do: - * We can use MMX just for prefetch in IRQ's. This may be a win. - * (reported so on K6-III) - * We should use a better code neutral filler for the short jump - * leal ebx. [ebx] is apparently best for K6-2, but Cyrix ?? - * We also want to clobber the filler register so we dont get any - * register forwarding stalls on the filler. - * - * Add *user handling. Checksums are not a win with MMX on any CPU - * tested so far for any MMX solution figured. - * - * 22/09/2000 - Arjan van de Ven - * Improved for non-egineering-sample Athlons - * - */ - -void *_mmx_memcpy(void *to, const void *from, size_t len) -{ - void *p; - int i; - - if (in_interrupt()) - return __memcpy(to, from, len); - - p = to; - i = len >> 6; /* len/64 */ - - kernel_fpu_begin(); - - __asm__ __volatile__ ( - "1: prefetch (%0)\n" /* This set is 28 bytes */ - " prefetch 64(%0)\n" - " prefetch 128(%0)\n" - " prefetch 192(%0)\n" - " prefetch 256(%0)\n" - "2: \n" - ".section .fixup, \"ax\"\n" - "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ - " jmp 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" - : : "r" (from) ); - - - for(; i>0; i--) - { - __asm__ __volatile__ ( - "1: prefetch 320(%0)\n" - "2: movq (%0), %%mm0\n" - " movq 8(%0), %%mm1\n" - " movq 16(%0), %%mm2\n" - " movq 24(%0), %%mm3\n" - " movq %%mm0, (%1)\n" - " movq %%mm1, 8(%1)\n" - " movq %%mm2, 16(%1)\n" - " movq %%mm3, 24(%1)\n" - " movq 32(%0), %%mm0\n" - " movq 40(%0), %%mm1\n" - " movq 48(%0), %%mm2\n" - " movq 56(%0), %%mm3\n" - " movq %%mm0, 32(%1)\n" - " movq %%mm1, 40(%1)\n" - " movq %%mm2, 48(%1)\n" - " movq %%mm3, 56(%1)\n" - ".section .fixup, \"ax\"\n" - "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ - " jmp 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" - : : "r" (from), "r" (to) : "memory"); - from+=64; - to+=64; - } - /* - * Now do the tail of the block - */ - __memcpy(to, from, len&63); - kernel_fpu_end(); - return p; -} - -#ifdef CONFIG_MK7 - -/* - * The K7 has streaming cache bypass load/store. The Cyrix III, K6 and - * other MMX using processors do not. - */ - -static void fast_clear_page(void *page) -{ - int i; - - kernel_fpu_begin(); - - __asm__ __volatile__ ( - " pxor %%mm0, %%mm0\n" : : - ); - - for(i=0;i<4096/64;i++) - { - __asm__ __volatile__ ( - " movntq %%mm0, (%0)\n" - " movntq %%mm0, 8(%0)\n" - " movntq %%mm0, 16(%0)\n" - " movntq %%mm0, 24(%0)\n" - " movntq %%mm0, 32(%0)\n" - " movntq %%mm0, 40(%0)\n" - " movntq %%mm0, 48(%0)\n" - " movntq %%mm0, 56(%0)\n" - : : "r" (page) : "memory"); - page+=64; - } - /* since movntq is weakly-ordered, a "sfence" is needed to become - * ordered again. - */ - __asm__ __volatile__ ( - " sfence \n" : : - ); - kernel_fpu_end(); -} - -static void fast_copy_page(void *to, void *from) -{ - int i; - - kernel_fpu_begin(); - - /* maybe the prefetch stuff can go before the expensive fnsave... - * but that is for later. -AV - */ - __asm__ __volatile__ ( - "1: prefetch (%0)\n" - " prefetch 64(%0)\n" - " prefetch 128(%0)\n" - " prefetch 192(%0)\n" - " prefetch 256(%0)\n" - "2: \n" - ".section .fixup, \"ax\"\n" - "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ - " jmp 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" - : : "r" (from) ); - - for(i=0; i<(4096-320)/64; i++) - { - __asm__ __volatile__ ( - "1: prefetch 320(%0)\n" - "2: movq (%0), %%mm0\n" - " movntq %%mm0, (%1)\n" - " movq 8(%0), %%mm1\n" - " movntq %%mm1, 8(%1)\n" - " movq 16(%0), %%mm2\n" - " movntq %%mm2, 16(%1)\n" - " movq 24(%0), %%mm3\n" - " movntq %%mm3, 24(%1)\n" - " movq 32(%0), %%mm4\n" - " movntq %%mm4, 32(%1)\n" - " movq 40(%0), %%mm5\n" - " movntq %%mm5, 40(%1)\n" - " movq 48(%0), %%mm6\n" - " movntq %%mm6, 48(%1)\n" - " movq 56(%0), %%mm7\n" - " movntq %%mm7, 56(%1)\n" - ".section .fixup, \"ax\"\n" - "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ - " jmp 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" - : : "r" (from), "r" (to) : "memory"); - from+=64; - to+=64; - } - for(i=(4096-320)/64; i<4096/64; i++) - { - __asm__ __volatile__ ( - "2: movq (%0), %%mm0\n" - " movntq %%mm0, (%1)\n" - " movq 8(%0), %%mm1\n" - " movntq %%mm1, 8(%1)\n" - " movq 16(%0), %%mm2\n" - " movntq %%mm2, 16(%1)\n" - " movq 24(%0), %%mm3\n" - " movntq %%mm3, 24(%1)\n" - " movq 32(%0), %%mm4\n" - " movntq %%mm4, 32(%1)\n" - " movq 40(%0), %%mm5\n" - " movntq %%mm5, 40(%1)\n" - " movq 48(%0), %%mm6\n" - " movntq %%mm6, 48(%1)\n" - " movq 56(%0), %%mm7\n" - " movntq %%mm7, 56(%1)\n" - : : "r" (from), "r" (to) : "memory"); - from+=64; - to+=64; - } - /* since movntq is weakly-ordered, a "sfence" is needed to become - * ordered again. - */ - __asm__ __volatile__ ( - " sfence \n" : : - ); - kernel_fpu_end(); -} - -#else - -/* - * Generic MMX implementation without K7 specific streaming - */ - -static void fast_clear_page(void *page) -{ - int i; - - kernel_fpu_begin(); - - __asm__ __volatile__ ( - " pxor %%mm0, %%mm0\n" : : - ); - - for(i=0;i<4096/128;i++) - { - __asm__ __volatile__ ( - " movq %%mm0, (%0)\n" - " movq %%mm0, 8(%0)\n" - " movq %%mm0, 16(%0)\n" - " movq %%mm0, 24(%0)\n" - " movq %%mm0, 32(%0)\n" - " movq %%mm0, 40(%0)\n" - " movq %%mm0, 48(%0)\n" - " movq %%mm0, 56(%0)\n" - " movq %%mm0, 64(%0)\n" - " movq %%mm0, 72(%0)\n" - " movq %%mm0, 80(%0)\n" - " movq %%mm0, 88(%0)\n" - " movq %%mm0, 96(%0)\n" - " movq %%mm0, 104(%0)\n" - " movq %%mm0, 112(%0)\n" - " movq %%mm0, 120(%0)\n" - : : "r" (page) : "memory"); - page+=128; - } - - kernel_fpu_end(); -} - -static void fast_copy_page(void *to, void *from) -{ - int i; - - - kernel_fpu_begin(); - - __asm__ __volatile__ ( - "1: prefetch (%0)\n" - " prefetch 64(%0)\n" - " prefetch 128(%0)\n" - " prefetch 192(%0)\n" - " prefetch 256(%0)\n" - "2: \n" - ".section .fixup, \"ax\"\n" - "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ - " jmp 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" - : : "r" (from) ); - - for(i=0; i<4096/64; i++) - { - __asm__ __volatile__ ( - "1: prefetch 320(%0)\n" - "2: movq (%0), %%mm0\n" - " movq 8(%0), %%mm1\n" - " movq 16(%0), %%mm2\n" - " movq 24(%0), %%mm3\n" - " movq %%mm0, (%1)\n" - " movq %%mm1, 8(%1)\n" - " movq %%mm2, 16(%1)\n" - " movq %%mm3, 24(%1)\n" - " movq 32(%0), %%mm0\n" - " movq 40(%0), %%mm1\n" - " movq 48(%0), %%mm2\n" - " movq 56(%0), %%mm3\n" - " movq %%mm0, 32(%1)\n" - " movq %%mm1, 40(%1)\n" - " movq %%mm2, 48(%1)\n" - " movq %%mm3, 56(%1)\n" - ".section .fixup, \"ax\"\n" - "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ - " jmp 2b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 1b, 3b\n" - ".previous" - : : "r" (from), "r" (to) : "memory"); - from+=64; - to+=64; - } - kernel_fpu_end(); -} - - -#endif - -/* - * Favour MMX for page clear and copy. - */ - -static void slow_zero_page(void * page) -{ - int d0, d1; - __asm__ __volatile__( \ - "cld\n\t" \ - "rep ; stosl" \ - : "=&c" (d0), "=&D" (d1) - :"a" (0),"1" (page),"0" (1024) - :"memory"); -} - -void mmx_clear_page(void * page) -{ - if(in_interrupt()) - slow_zero_page(page); - else - fast_clear_page(page); -} - -static void slow_copy_page(void *to, void *from) -{ - int d0, d1, d2; - __asm__ __volatile__( \ - "cld\n\t" \ - "rep ; movsl" \ - : "=&c" (d0), "=&D" (d1), "=&S" (d2) \ - : "0" (1024),"1" ((long) to),"2" ((long) from) \ - : "memory"); -} - - -void mmx_copy_page(void *to, void *from) -{ - if(in_interrupt()) - slow_copy_page(to, from); - else - fast_copy_page(to, from); -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/old-checksum.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/old-checksum.c deleted file mode 100644 index ae3a38043a..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/old-checksum.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * FIXME: old compatibility stuff, will be removed soon. - */ - -#include <net/checksum.h> - -unsigned int csum_partial_copy( const char *src, char *dst, int len, int sum) -{ - int src_err=0, dst_err=0; - - sum = csum_partial_copy_generic ( src, dst, len, sum, &src_err, &dst_err); - - if (src_err || dst_err) - printk("old csum_partial_copy_fromuser(), tell mingo to convert me.\n"); - - return sum; -} - - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/strstr.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/strstr.c deleted file mode 100644 index a3dafbf59d..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/strstr.c +++ /dev/null @@ -1,31 +0,0 @@ -#include <linux/string.h> - -char * strstr(const char * cs,const char * ct) -{ -int d0, d1; -register char * __res; -__asm__ __volatile__( - "movl %6,%%edi\n\t" - "repne\n\t" - "scasb\n\t" - "notl %%ecx\n\t" - "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */ - "movl %%ecx,%%edx\n" - "1:\tmovl %6,%%edi\n\t" - "movl %%esi,%%eax\n\t" - "movl %%edx,%%ecx\n\t" - "repe\n\t" - "cmpsb\n\t" - "je 2f\n\t" /* also works for empty string, see above */ - "xchgl %%eax,%%esi\n\t" - "incl %%esi\n\t" - "cmpb $0,-1(%%eax)\n\t" - "jne 1b\n\t" - "xorl %%eax,%%eax\n\t" - "2:" - :"=a" (__res), "=&c" (d0), "=&S" (d1) - :"0" (0), "1" (0xffffffff), "2" (cs), "g" (ct) - :"dx", "di"); -return __res; -} - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/usercopy.c b/old/xenolinux-2.4.16-sparse/arch/xeno/lib/usercopy.c deleted file mode 100644 index d81fa81af8..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/lib/usercopy.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * User address space access functions. - * The non inlined parts of asm-i386/uaccess.h are here. - * - * Copyright 1997 Andi Kleen <ak@muc.de> - * Copyright 1997 Linus Torvalds - */ -#include <linux/config.h> -#include <asm/uaccess.h> -#include <asm/mmx.h> - -#ifdef CONFIG_X86_USE_3DNOW_AND_WORKS - -unsigned long -__generic_copy_to_user(void *to, const void *from, unsigned long n) -{ - if (access_ok(VERIFY_WRITE, to, n)) - { - if(n<512) - __copy_user(to,from,n); - else - mmx_copy_user(to,from,n); - } - return n; -} - -unsigned long -__generic_copy_from_user(void *to, const void *from, unsigned long n) -{ - if (access_ok(VERIFY_READ, from, n)) - { - if(n<512) - __copy_user_zeroing(to,from,n); - else - mmx_copy_user_zeroing(to, from, n); - } - else - memset(to, 0, n); - return n; -} - -#else - -unsigned long -__generic_copy_to_user(void *to, const void *from, unsigned long n) -{ - prefetch(from); - if (access_ok(VERIFY_WRITE, to, n)) - __copy_user(to,from,n); - return n; -} - -unsigned long -__generic_copy_from_user(void *to, const void *from, unsigned long n) -{ - prefetchw(to); - if (access_ok(VERIFY_READ, from, n)) - __copy_user_zeroing(to,from,n); - else - memset(to, 0, n); - return n; -} - -#endif - -/* - * Copy a null terminated string from userspace. - */ - -#define __do_strncpy_from_user(dst,src,count,res) \ -do { \ - int __d0, __d1, __d2; \ - __asm__ __volatile__( \ - " testl %1,%1\n" \ - " jz 2f\n" \ - "0: lodsb\n" \ - " stosb\n" \ - " testb %%al,%%al\n" \ - " jz 1f\n" \ - " decl %1\n" \ - " jnz 0b\n" \ - "1: subl %1,%0\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: movl %5,%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - ".previous" \ - : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ - "=&D" (__d2) \ - : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ - : "memory"); \ -} while (0) - -long -__strncpy_from_user(char *dst, const char *src, long count) -{ - long res; - __do_strncpy_from_user(dst, src, count, res); - return res; -} - -long -strncpy_from_user(char *dst, const char *src, long count) -{ - long res = -EFAULT; - if (access_ok(VERIFY_READ, src, 1)) - __do_strncpy_from_user(dst, src, count, res); - return res; -} - - -/* - * Zero Userspace - */ - -#define __do_clear_user(addr,size) \ -do { \ - int __d0; \ - __asm__ __volatile__( \ - "0: rep; stosl\n" \ - " movl %2,%0\n" \ - "1: rep; stosb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: lea 0(%2,%0,4),%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,2b\n" \ - ".previous" \ - : "=&c"(size), "=&D" (__d0) \ - : "r"(size & 3), "0"(size / 4), "1"(addr), "a"(0)); \ -} while (0) - -unsigned long -clear_user(void *to, unsigned long n) -{ - if (access_ok(VERIFY_WRITE, to, n)) - __do_clear_user(to, n); - return n; -} - -unsigned long -__clear_user(void *to, unsigned long n) -{ - __do_clear_user(to, n); - return n; -} - -/* - * Return the size of a string (including the ending 0) - * - * Return 0 on exception, a value greater than N if too long - */ - -long strnlen_user(const char *s, long n) -{ - unsigned long mask = -__addr_ok(s); - unsigned long res, tmp; - - __asm__ __volatile__( - " testl %0, %0\n" - " jz 3f\n" - " andl %0,%%ecx\n" - "0: repne; scasb\n" - " setne %%al\n" - " subl %%ecx,%0\n" - " addl %0,%%eax\n" - "1:\n" - ".section .fixup,\"ax\"\n" - "2: xorl %%eax,%%eax\n" - " jmp 1b\n" - "3: movb $1,%%al\n" - " jmp 1b\n" - ".previous\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 0b,2b\n" - ".previous" - :"=r" (n), "=D" (s), "=a" (res), "=c" (tmp) - :"0" (n), "1" (s), "2" (0), "3" (mask) - :"cc"); - return res & mask; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/Makefile deleted file mode 100644 index 2818511a1a..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/Makefile +++ /dev/null @@ -1,7 +0,0 @@ - - -O_TARGET := mm.o - -obj-y := init.o fault.o extable.o hypervisor.o get_unmapped_area.o mmu_context.o - -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/extable.c b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/extable.c deleted file mode 100644 index 4cd9f064c3..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/extable.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * linux/arch/i386/mm/extable.c - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/spinlock.h> -#include <asm/uaccess.h> - -extern const struct exception_table_entry __start___ex_table[]; -extern const struct exception_table_entry __stop___ex_table[]; - -static inline unsigned long -search_one_table(const struct exception_table_entry *first, - const struct exception_table_entry *last, - unsigned long value) -{ - while (first <= last) { - const struct exception_table_entry *mid; - long diff; - - mid = (last - first) / 2 + first; - diff = mid->insn - value; - if (diff == 0) - return mid->fixup; - else if (diff < 0) - first = mid+1; - else - last = mid-1; - } - return 0; -} - -extern spinlock_t modlist_lock; - -unsigned long -search_exception_table(unsigned long addr) -{ - unsigned long ret = 0; - -#ifndef CONFIG_MODULES - /* There is only the kernel to search. */ - ret = search_one_table(__start___ex_table, __stop___ex_table-1, addr); - return ret; -#else - unsigned long flags; - /* The kernel is the last "module" -- no need to treat it special. */ - struct module *mp; - - spin_lock_irqsave(&modlist_lock, flags); - for (mp = module_list; mp != NULL; mp = mp->next) { - if (mp->ex_table_start == NULL || !(mp->flags&(MOD_RUNNING|MOD_INITIALIZING))) - continue; - ret = search_one_table(mp->ex_table_start, - mp->ex_table_end - 1, addr); - if (ret) - break; - } - spin_unlock_irqrestore(&modlist_lock, flags); - return ret; -#endif -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/fault.c b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/fault.c deleted file mode 100644 index 41d966901a..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/fault.c +++ /dev/null @@ -1,401 +0,0 @@ -/* - * linux/arch/i386/mm/fault.c - * - * Copyright (C) 1995 Linus Torvalds - */ - -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/tty.h> -#include <linux/vt_kern.h> /* For unblank_screen() */ - -#include <asm/system.h> -#include <asm/uaccess.h> -#include <asm/pgalloc.h> -#include <asm/hardirq.h> - -extern void die(const char *,struct pt_regs *,long); - -extern int console_loglevel; - -pgd_t *cur_pgd; - -/* - * Ugly, ugly, but the goto's result in better assembly.. - */ -int __verify_write(const void * addr, unsigned long size) -{ - struct vm_area_struct * vma; - unsigned long start = (unsigned long) addr; - - if (!size) - return 1; - - vma = find_vma(current->mm, start); - if (!vma) - goto bad_area; - if (vma->vm_start > start) - goto check_stack; - -good_area: - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - size--; - size += start & ~PAGE_MASK; - size >>= PAGE_SHIFT; - start &= PAGE_MASK; - - for (;;) { - survive: - { - int fault = handle_mm_fault(current->mm, vma, start, 1); - if (!fault) - goto bad_area; - if (fault < 0) - goto out_of_memory; - } - if (!size) - break; - size--; - start += PAGE_SIZE; - if (start < vma->vm_end) - continue; - vma = vma->vm_next; - if (!vma || vma->vm_start != start) - goto bad_area; - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area;; - } - return 1; - -check_stack: - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; - if (expand_stack(vma, start) == 0) - goto good_area; - -bad_area: - return 0; - -out_of_memory: - if (current->pid == 1) { - current->policy |= SCHED_YIELD; - schedule(); - goto survive; - } - goto bad_area; -} - -extern spinlock_t timerlist_lock; - -/* - * Unlock any spinlocks which will prevent us from getting the - * message out (timerlist_lock is acquired through the - * console unblank code) - */ -void bust_spinlocks(int yes) -{ - spin_lock_init(&timerlist_lock); - if (yes) { - oops_in_progress = 1; - } else { - int loglevel_save = console_loglevel; -#ifdef CONFIG_VT - unblank_screen(); -#endif - oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk will give klogd - * a poke. Hold onto your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; - } -} - -void do_BUG(const char *file, int line) -{ - bust_spinlocks(1); - printk("kernel BUG at %s:%d!\n", file, line); -} - -/* - * This routine handles page faults. It determines the address, - * and the problem, and then passes it off to one of the appropriate - * routines. - * - * error_code: - * bit 0 == 0 means no page found, 1 means protection fault - * bit 1 == 0 means read, 1 means write - * bit 2 == 0 means kernel, 1 means user-mode - */ -asmlinkage void do_page_fault(struct pt_regs *regs, - unsigned long error_code, - unsigned long address) -{ - struct task_struct *tsk = current; - struct mm_struct *mm; - struct vm_area_struct * vma; - unsigned long page; - unsigned long fixup; - int write; - siginfo_t info; - - /* Set the "privileged fault" bit to something sane. */ - error_code &= 3; - error_code |= (regs->xcs & 2) << 1; - -#if PT_UPDATE_DEBUG > 0 - if ( (error_code == 0) && (address >= TASK_SIZE) ) - { - unsigned long paddr = __pa(address); - int i; - for ( i = 0; i < pt_update_queue_idx; i++ ) - { - if ( update_debug_queue[i].ptr == paddr ) - { - printk("XXX now(EIP=%08lx:ptr=%08lx) " - "then(%s/%d:p/v=%08lx/%08lx)\n", - regs->eip, address, - update_debug_queue[i].file, - update_debug_queue[i].line, - update_debug_queue[i].ptr, - update_debug_queue[i].val); - } - } - } -#endif - - if ( flush_page_update_queue() != 0 ) return; - - /* - * We fault-in kernel-space virtual memory on-demand. The - * 'reference' page table is init_mm.pgd. - * - * NOTE! We MUST NOT take any locks for this case. We may - * be in an interrupt or a critical region, and should - * only copy the information from the master page table, - * nothing more. - * - * This verifies that the fault happens in kernel space - * (error_code & 4) == 0, and that the fault was not a - * protection error (error_code & 1) == 0. - */ - if (address >= TASK_SIZE && !(error_code & 5)) - goto vmalloc_fault; - - mm = tsk->mm; - info.si_code = SEGV_MAPERR; - - /* - * If we're in an interrupt or have no user - * context, we must not take the fault.. - */ - if (in_interrupt() || !mm) - goto no_context; - - down_read(&mm->mmap_sem); - - vma = find_vma(mm, address); - if (!vma) - goto bad_area; - if (vma->vm_start <= address) - goto good_area; - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; - if (error_code & 4) { - /* - * accessing the stack below %esp is always a bug. - * The "+ 32" is there due to some instructions (like - * pusha) doing post-decrement on the stack and that - * doesn't show up until later.. - */ - if (address + 32 < regs->esp) - goto bad_area; - } - if (expand_stack(vma, address)) - goto bad_area; -/* - * Ok, we have a good vm_area for this memory access, so - * we can handle it.. - */ -good_area: - info.si_code = SEGV_ACCERR; - write = 0; - switch (error_code & 3) { - default: /* 3: write, present */ - /* fall through */ - case 2: /* write, not present */ - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - write++; - break; - case 1: /* read, present */ - goto bad_area; - case 0: /* read, not present */ - if (!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto bad_area; - } - - survive: - /* - * If for any reason at all we couldn't handle the fault, - * make sure we exit gracefully rather than endlessly redo - * the fault. - */ - switch (handle_mm_fault(mm, vma, address, write)) { - case 1: - tsk->min_flt++; - break; - case 2: - tsk->maj_flt++; - break; - case 0: - goto do_sigbus; - default: - goto out_of_memory; - } - - up_read(&mm->mmap_sem); - return; - -/* - * Something tried to access memory that isn't in our memory map.. - * Fix it, but check if it's kernel or user first.. - */ -bad_area: - up_read(&mm->mmap_sem); - - /* User mode accesses just cause a SIGSEGV */ - if (error_code & 4) { - tsk->thread.cr2 = address; - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 14; - info.si_signo = SIGSEGV; - info.si_errno = 0; - /* info.si_code has been set above */ - info.si_addr = (void *)address; - force_sig_info(SIGSEGV, &info, tsk); - return; - } - -no_context: - /* Are we prepared to handle this kernel fault? */ - if ((fixup = search_exception_table(regs->eip)) != 0) { - regs->eip = fixup; - return; - } - -/* - * Oops. The kernel tried to access some bad page. We'll have to - * terminate things with extreme prejudice. - */ - - bust_spinlocks(1); - - if (address < PAGE_SIZE) - printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference"); - else - printk(KERN_ALERT "Unable to handle kernel paging request"); - printk(" at virtual address %08lx\n",address); - printk(" printing eip:\n"); - printk("%08lx\n", regs->eip); - page = ((unsigned long *) cur_pgd)[address >> 22]; - printk(KERN_ALERT "*pde=%08lx(%08lx)\n", page, machine_to_phys(page)); - if (page & 1) { - page &= PAGE_MASK; - address &= 0x003ff000; - page = machine_to_phys(page); - page = ((unsigned long *) __va(page))[address >> PAGE_SHIFT]; - printk(KERN_ALERT "*pte=%08lx(%08lx)\n", page, - machine_to_phys(page)); - } - die("Oops", regs, error_code); - bust_spinlocks(0); - do_exit(SIGKILL); - -/* - * We ran out of memory, or some other thing happened to us that made - * us unable to handle the page fault gracefully. - */ -out_of_memory: - up_read(&mm->mmap_sem); - if (tsk->pid == 1) { - tsk->policy |= SCHED_YIELD; - schedule(); - down_read(&mm->mmap_sem); - goto survive; - } - printk("VM: killing process %s\n", tsk->comm); - if (error_code & 4) - do_exit(SIGKILL); - goto no_context; - -do_sigbus: - up_read(&mm->mmap_sem); - - /* - * Send a sigbus, regardless of whether we were in kernel - * or user mode. - */ - tsk->thread.cr2 = address; - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 14; - info.si_signo = SIGBUS; - info.si_errno = 0; - info.si_code = BUS_ADRERR; - info.si_addr = (void *)address; - force_sig_info(SIGBUS, &info, tsk); - - /* Kernel mode? Handle exceptions or die */ - if (!(error_code & 4)) - goto no_context; - return; - -vmalloc_fault: - { - /* - * Synchronize this task's top level page-table - * with the 'reference' page table. - * - * Do _not_ use "tsk" here. We might be inside - * an interrupt in the middle of a task switch.. - */ - int offset = __pgd_offset(address); - pgd_t *pgd, *pgd_k; - pmd_t *pmd, *pmd_k; - pte_t *pte_k; - - pgd = offset + cur_pgd; - pgd_k = init_mm.pgd + offset; - - if (!pgd_present(*pgd_k)) - goto no_context; - set_pgd(pgd, *pgd_k); - - pmd = pmd_offset(pgd, address); - pmd_k = pmd_offset(pgd_k, address); - if (!pmd_present(*pmd_k)) - goto no_context; - set_pmd(pmd, *pmd_k); - XENO_flush_page_update_queue(); /* flush PMD update */ - - pte_k = pte_offset(pmd_k, address); - if (!pte_present(*pte_k)) - goto no_context; - return; - } -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/get_unmapped_area.c b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/get_unmapped_area.c deleted file mode 100644 index a7b4447589..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/get_unmapped_area.c +++ /dev/null @@ -1,137 +0,0 @@ - -#include <linux/slab.h> -#include <linux/shm.h> -#include <linux/mman.h> -#include <linux/pagemap.h> -#include <linux/swap.h> -#include <linux/swapctl.h> -#include <linux/smp_lock.h> -#include <linux/init.h> -#include <linux/file.h> -#include <linux/fs.h> -#include <linux/personality.h> - -#include <asm/uaccess.h> -#include <asm/pgalloc.h> - -/* -static int direct_mapped(unsigned long addr) -{ - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - - curr = direct_list->next; - while(curr != direct_list){ - node = list_entry(curr, direct_mmap_node_t, list); - if(node->addr == addr) - break; - curr = curr->next; - } - - if(curr == direct_list) - return 0; - - return 1; -} -*/ -/* -unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) -{ - struct vm_area_struct *vma; - - if (len > TASK_SIZE) - return -ENOMEM; - - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(current->mm, addr); - if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) - return addr; - } - addr = PAGE_ALIGN(TASK_UNMAPPED_BASE); - - for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) { - if (TASK_SIZE - len < addr) - return -ENOMEM; - - if ((!vma || addr + len <= vma->vm_start) && !direct_mapped(addr)) - return addr; - - addr = vma->vm_end; - } -} -*/ -struct list_head *find_direct(struct list_head *list, unsigned long addr) -{ - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - direct_mmap_node_t * node; - - for ( curr = direct_list->next; curr != direct_list; curr = curr->next ) - { - node = list_entry(curr, direct_mmap_node_t, list); - if ( node->vm_start >= addr ) break; - } - - return curr; -} - -unsigned long arch_get_unmapped_area(struct file *filp, unsigned long -addr, unsigned long len, unsigned long pgoff, unsigned long flags) -{ - struct vm_area_struct *vma; - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - - if (len > TASK_SIZE) - return -ENOMEM; - - if ( addr ) - { - addr = PAGE_ALIGN(addr); - vma = find_vma(current->mm, addr); - curr = find_direct(direct_list, addr); - node = list_entry(curr, direct_mmap_node_t, list); - if ( (TASK_SIZE - len >= addr) && - (!vma || addr + len <= vma->vm_start) && - ((curr == direct_list) || addr + len <= node->vm_start) ) - return addr; - } - - addr = PAGE_ALIGN(TASK_UNMAPPED_BASE); - - - /* Find first VMA and direct_map nodes with vm_start > addr */ - vma = find_vma(current->mm, addr); - curr = find_direct(direct_list, addr); - node = list_entry(curr, direct_mmap_node_t, list); - - for ( ; ; ) - { - if ( TASK_SIZE - len < addr ) return -ENOMEM; - - if ( vma && ((curr == direct_list) || (vma->vm_start < node->vm_start))) - { - /* Do we fit before VMA node? */ - if ( addr + len <= vma->vm_start ) return addr; - addr = vma->vm_end; - vma = vma->vm_next; - } - else if ( curr != direct_list ) - { - /* Do we fit before direct_map node? */ - if ( addr + len <= node->vm_start) return addr; - addr = node->vm_end; - curr = curr->next; - node = list_entry(curr, direct_mmap_node_t, list); - } - else - { - /* !vma && curr == direct_list */ - return addr; - } - } -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/hypervisor.c b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/hypervisor.c deleted file mode 100644 index b051684aa2..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/hypervisor.c +++ /dev/null @@ -1,168 +0,0 @@ -/****************************************************************************** - * xeno/mm/hypervisor.c - * - * Update page tables via the hypervisor. - * - * Copyright (c) 2002, K A Fraser - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <asm/hypervisor.h> -#include <asm/page.h> -#include <asm/pgtable.h> - -#define QUEUE_SIZE 2048 -static page_update_request_t update_queue[QUEUE_SIZE]; -unsigned int pt_update_queue_idx = 0; -#define idx pt_update_queue_idx - -#if PT_UPDATE_DEBUG > 0 -page_update_debug_t update_debug_queue[QUEUE_SIZE] = {{0}}; -#undef queue_l1_entry_update -#undef queue_l2_entry_update -static void DEBUG_allow_pt_reads(void) -{ - pte_t *pte; - page_update_request_t update; - int i; - for ( i = idx-1; i >= 0; i-- ) - { - pte = update_debug_queue[i].ptep; - if ( pte == NULL ) continue; - update_debug_queue[i].ptep = NULL; - update.ptr = phys_to_machine(__pa(pte)); - update.val = update_debug_queue[i].pteval; - HYPERVISOR_pt_update(&update, 1); - } -} -static void DEBUG_disallow_pt_read(unsigned long pa) -{ - pte_t *pte; - pmd_t *pmd; - pgd_t *pgd; - unsigned long pteval; - /* - * We may fault because of an already outstanding update. - * That's okay -- it'll get fixed up in the fault handler. - */ - page_update_request_t update; - unsigned long va = (unsigned long)__va(pa); - pgd = pgd_offset_k(va); - pmd = pmd_offset(pgd, va); - pte = pte_offset(pmd, va); - update.ptr = phys_to_machine(__pa(pte)); - pteval = *(unsigned long *)pte; - update.val = pteval & ~_PAGE_PRESENT; - HYPERVISOR_pt_update(&update, 1); - update_debug_queue[idx].ptep = pte; - update_debug_queue[idx].pteval = pteval; -} -#endif - -#if PT_UPDATE_DEBUG > 1 -#undef queue_pt_switch -#undef queue_tlb_flush -#undef queue_invlpg -#undef queue_pgd_pin -#undef queue_pgd_unpin -#undef queue_pte_pin -#undef queue_pte_unpin -#endif - - -/* - * This is the current pagetable base pointer, which is updated - * on context switch. - */ -unsigned long pt_baseptr; - -void _flush_page_update_queue(void) -{ - if ( idx == 0 ) return; -#if PT_UPDATE_DEBUG > 1 - printk("Flushing %d entries from pt update queue\n", idx); -#endif -#if PT_UPDATE_DEBUG > 0 - DEBUG_allow_pt_reads(); -#endif - HYPERVISOR_pt_update(update_queue, idx); - idx = 0; -} - -static void increment_index(void) -{ - if ( ++idx == QUEUE_SIZE ) _flush_page_update_queue(); -} - -void queue_l1_entry_update(unsigned long ptr, unsigned long val) -{ -#if PT_UPDATE_DEBUG > 0 - DEBUG_disallow_pt_read(ptr); -#endif - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].val = val; - increment_index(); -} - -void queue_l2_entry_update(unsigned long ptr, unsigned long val) -{ - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].val = val; - increment_index(); -} - -void queue_pt_switch(unsigned long ptr) -{ - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].ptr |= PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = PGEXT_NEW_BASEPTR; - increment_index(); -} - -void queue_tlb_flush(void) -{ - update_queue[idx].ptr = PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = PGEXT_TLB_FLUSH; - increment_index(); -} - -void queue_invlpg(unsigned long ptr) -{ - update_queue[idx].ptr = PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = ptr & PAGE_MASK; - update_queue[idx].val |= PGEXT_INVLPG; - increment_index(); -} - -void queue_pgd_pin(unsigned long ptr) -{ - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].ptr |= PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = PGEXT_PIN_L2_TABLE; - increment_index(); -} - -void queue_pgd_unpin(unsigned long ptr) -{ - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].ptr |= PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = PGEXT_UNPIN_TABLE; - increment_index(); -} - -void queue_pte_pin(unsigned long ptr) -{ - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].ptr |= PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = PGEXT_PIN_L1_TABLE; - increment_index(); -} - -void queue_pte_unpin(unsigned long ptr) -{ - update_queue[idx].ptr = phys_to_machine(ptr); - update_queue[idx].ptr |= PGREQ_EXTENDED_COMMAND; - update_queue[idx].val = PGEXT_UNPIN_TABLE; - increment_index(); -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/init.c b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/init.c deleted file mode 100644 index 71b22ddcac..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/init.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * linux/arch/i386/mm/init.c - * - * Copyright (C) 1995 Linus Torvalds - * - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 - */ - -#include <linux/config.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/smp.h> -#include <linux/init.h> -#ifdef CONFIG_BLK_DEV_INITRD -#include <linux/blk.h> -#endif -#include <linux/highmem.h> -#include <linux/pagemap.h> -#include <linux/bootmem.h> - -#include <asm/processor.h> -#include <asm/system.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/dma.h> -#include <asm/apic.h> -#include <asm/tlb.h> - -mmu_gather_t mmu_gathers[NR_CPUS]; -unsigned long highstart_pfn, highend_pfn; -static unsigned long totalram_pages; -static unsigned long totalhigh_pages; - -int do_check_pgt_cache(int low, int high) -{ - int freed = 0; - if(pgtable_cache_size > high) { - do { - if (!QUICKLIST_EMPTY(pgd_quicklist)) { - free_pgd_slow(get_pgd_fast()); - freed++; - } - if (!QUICKLIST_EMPTY(pte_quicklist)) { - pte_free_slow(pte_alloc_one_fast(NULL, 0)); - freed++; - } - } while(pgtable_cache_size > low); - } - return freed; -} - -void show_mem(void) -{ - int i, total = 0, reserved = 0; - int shared = 0, cached = 0; - int highmem = 0; - - printk("Mem-info:\n"); - show_free_areas(); - printk("Free swap: %6dkB\n",nr_swap_pages<<(PAGE_SHIFT-10)); - i = max_mapnr; - while (i-- > 0) { - total++; - if (PageHighMem(mem_map+i)) - highmem++; - if (PageReserved(mem_map+i)) - reserved++; - else if (PageSwapCache(mem_map+i)) - cached++; - else if (page_count(mem_map+i)) - shared += page_count(mem_map+i) - 1; - } - printk("%d pages of RAM\n", total); - printk("%d pages of HIGHMEM\n",highmem); - printk("%d reserved pages\n",reserved); - printk("%d pages shared\n",shared); - printk("%d pages swap cached\n",cached); - printk("%ld pages in page table cache\n",pgtable_cache_size); - show_buffers(); -} - -/* References to section boundaries */ - -extern char _text, _etext, _edata, __bss_start, _end; -extern char __init_begin, __init_end; - -static inline void set_pte_phys (unsigned long vaddr, - unsigned long phys, pgprot_t flags) -{ - pgprot_t prot; - pgd_t *pgd; - pmd_t *pmd; - pte_t *pte; - - pgd = init_mm.pgd + __pgd_offset(vaddr); - if (pgd_none(*pgd)) { - printk("PAE BUG #00!\n"); - return; - } - pmd = pmd_offset(pgd, vaddr); - if (pmd_none(*pmd)) { - printk("PAE BUG #01!\n"); - return; - } - pte = pte_offset(pmd, vaddr); - if (pte_val(*pte)) - pte_ERROR(*pte); - pgprot_val(prot) = pgprot_val(PAGE_KERNEL) | pgprot_val(flags); - - /* We queue directly, avoiding hidden phys->machine translation. */ - queue_l1_entry_update(__pa(pte), phys | pgprot_val(prot)); - - /* - * It's enough to flush this one mapping. - * (PGE mappings get flushed as well) - */ - __flush_tlb_one(vaddr); -} - -void __set_fixmap (enum fixed_addresses idx, unsigned long phys, - pgprot_t flags) -{ - unsigned long address = __fix_to_virt(idx); - - if (idx >= __end_of_fixed_addresses) { - printk("Invalid __set_fixmap\n"); - return; - } - set_pte_phys(address, phys, flags); -} - -static void __init fixrange_init (unsigned long start, - unsigned long end, pgd_t *pgd_base) -{ - pgd_t *pgd, *kpgd; - pmd_t *pmd, *kpmd; - pte_t *pte, *kpte; - int i, j; - unsigned long vaddr; - - vaddr = start; - i = __pgd_offset(vaddr); - j = __pmd_offset(vaddr); - pgd = pgd_base + i; - - for ( ; (i < PTRS_PER_PGD) && (vaddr != end); pgd++, i++) { - pmd = (pmd_t *)pgd; - for (; (j < PTRS_PER_PMD) && (vaddr != end); pmd++, j++) { - if (pmd_none(*pmd)) { - pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); - clear_page(pte); - kpgd = pgd_offset_k((unsigned long)pte); - kpmd = pmd_offset(kpgd, (unsigned long)pte); - kpte = pte_offset(kpmd, (unsigned long)pte); - queue_l1_entry_update(__pa(kpte), - (*(unsigned long *)kpte)&~_PAGE_RW); - set_pmd(pmd, __pmd(_KERNPG_TABLE + __pa(pte))); - } - vaddr += PMD_SIZE; - } - j = 0; - } - - XENO_flush_page_update_queue(); -} - -void __init paging_init(void) -{ - unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0}; - unsigned int max_dma, high, low; - unsigned long vaddr; - - max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - low = max_low_pfn; - high = highend_pfn; - - if (low < max_dma) - { - zones_size[ZONE_DMA] = low; - } - else - { - zones_size[ZONE_DMA] = max_dma; - zones_size[ZONE_NORMAL] = low - max_dma; - } - free_area_init(zones_size); - - /* - * Fixed mappings, only the page table structure has to be created - - * mappings will be set by set_fixmap(): - */ - vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; - fixrange_init(vaddr, HYPERVISOR_VIRT_START, init_mm.pgd); - - /* - * XXX We do this conversion early, so that all other page tables - * will automatically get this mapping. - */ - set_fixmap(FIX_BLKRING_BASE, start_info.blk_ring); -} - - -static inline int page_is_ram (unsigned long pagenr) -{ - return 1; -} - -void __init mem_init(void) -{ - int codesize, reservedpages, datasize, initsize; - int tmp; - - max_mapnr = num_physpages = max_low_pfn; - high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); - - /* clear the zero-page */ - memset(empty_zero_page, 0, PAGE_SIZE); - - /* this will put all low memory onto the freelists */ - totalram_pages += free_all_bootmem(); - - reservedpages = 0; - for (tmp = 0; tmp < max_low_pfn; tmp++) - /* - * Only count reserved RAM pages - */ - if (page_is_ram(tmp) && PageReserved(mem_map+tmp)) - reservedpages++; - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk("Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n", - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), - max_mapnr << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10, - (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)) - ); - - boot_cpu_data.wp_works_ok = 1; -} - -void free_initmem(void) -{ - unsigned long addr; - - addr = (unsigned long)(&__init_begin); - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - set_page_count(virt_to_page(addr), 1); - free_page(addr); - totalram_pages++; - } - printk ("Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10); -} - -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); - free_page(start); - totalram_pages++; - } -} -#endif - -void si_meminfo(struct sysinfo *val) -{ - val->totalram = totalram_pages; - val->sharedram = 0; - val->freeram = nr_free_pages(); - val->bufferram = atomic_read(&buffermem_pages); - val->totalhigh = totalhigh_pages; - val->freehigh = nr_free_highpages(); - val->mem_unit = PAGE_SIZE; - return; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/mmu_context.c b/old/xenolinux-2.4.16-sparse/arch/xeno/mm/mmu_context.c deleted file mode 100644 index b8f41fb269..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/mm/mmu_context.c +++ /dev/null @@ -1,26 +0,0 @@ - -#include <linux/slab.h> -#include <linux/list.h> - -int init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ - INIT_LIST_HEAD(&mm->context.direct_list); - return 0; -} - -/* just free all elements of list identifying directly mapped areas */ -void destroy_context(struct mm_struct *mm) -{ - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = &mm->context.direct_list; - - curr = direct_list->next; - while(curr != direct_list){ - node = list_entry(curr, direct_mmap_node_t, list); - curr = curr->next; - list_del(&node->list); - kfree(node); - } - -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/vmlinux.lds b/old/xenolinux-2.4.16-sparse/arch/xeno/vmlinux.lds deleted file mode 100644 index 26a59aa642..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/vmlinux.lds +++ /dev/null @@ -1,87 +0,0 @@ -/* ld script to make i386 Linux kernel - * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>; - */ -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) -ENTRY(_start) -SECTIONS -{ - . = 0xC0000000 + 0x000000; - _text = .; /* Text and read-only data */ - .text : { - *(.text) - *(.fixup) - *(.gnu.warning) - } = 0x9090 - .text.lock : { *(.text.lock) } /* out-of-line lock text */ - - _etext = .; /* End of text section */ - - .rodata : { *(.rodata) *(.rodata.*) } - .kstrtab : { *(.kstrtab) } - - . = ALIGN(16); /* Exception table */ - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - __start___ksymtab = .; /* Kernel symbol table */ - __ksymtab : { *(__ksymtab) } - __stop___ksymtab = .; - - __start___kallsyms = .; /* All kernel symbols */ - __kallsyms : { *(__kallsyms) } - __stop___kallsyms = .; - - .data : { /* Data */ - *(.data) - CONSTRUCTORS - } - - _edata = .; /* End of data section */ - - . = ALIGN(8192); /* init_task */ - .data.init_task : { *(.data.init_task) } - - . = ALIGN(4096); /* Init code and data */ - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(16); - __setup_start = .; - .setup.init : { *(.setup.init) } - __setup_end = .; - __initcall_start = .; - .initcall.init : { *(.initcall.init) } - __initcall_end = .; - . = ALIGN(4096); - __init_end = .; - - . = ALIGN(4096); - .data.page_aligned : { *(.data.idt) } - - . = ALIGN(32); - .data.cacheline_aligned : { *(.data.cacheline_aligned) } - - __bss_start = .; /* BSS */ - .bss : { - *(.bss) - } - _end = . ; - - /* Sections to be discarded */ - /DISCARD/ : { - *(.text.exit) - *(.data.exit) - *(.exitcall.exit) - } - - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } -} diff --git a/old/xenolinux-2.4.16-sparse/drivers/block/Config.in b/old/xenolinux-2.4.16-sparse/drivers/block/Config.in deleted file mode 100644 index 716774fe74..0000000000 --- a/old/xenolinux-2.4.16-sparse/drivers/block/Config.in +++ /dev/null @@ -1,51 +0,0 @@ -# -# Block device driver configuration -# -mainmenu_option next_comment -comment 'Block devices' - -tristate 'Normal PC floppy disk support' CONFIG_BLK_DEV_FD -if [ "$CONFIG_AMIGA" = "y" ]; then - tristate 'Amiga floppy support' CONFIG_AMIGA_FLOPPY -fi -if [ "$CONFIG_ATARI" = "y" ]; then - tristate 'Atari floppy support' CONFIG_ATARI_FLOPPY -fi -if [ "$CONFIG_MAC" = "y" ]; then - dep_bool 'Macintosh IIfx/Quadra 900/Quadra 950 floppy support (EXPERIMENTAL)' CONFIG_BLK_DEV_SWIM_IOP $CONFIG_EXPERIMENTAL -fi -if [ "$CONFIG_MCA" = "y" ]; then - tristate 'PS/2 ESDI hard disk support' CONFIG_BLK_DEV_PS2 -fi -if [ "$CONFIG_ZORRO" = "y" ]; then - tristate 'Amiga Zorro II ramdisk support' CONFIG_AMIGA_Z2RAM -fi -if [ "$CONFIG_ATARI" = "y" ]; then - tristate 'Atari ACSI support' CONFIG_ATARI_ACSI - if [ "$CONFIG_ATARI_ACSI" != "n" ]; then - comment 'Some devices (e.g. CD jukebox) support multiple LUNs' - bool ' Probe all LUNs on each ACSI device' CONFIG_ACSI_MULTI_LUN - tristate ' Atari SLM laser printer support' CONFIG_ATARI_SLM - fi -fi -dep_tristate 'XT hard disk support' CONFIG_BLK_DEV_XD $CONFIG_ISA -dep_tristate 'Parallel port IDE device support' CONFIG_PARIDE $CONFIG_PARPORT -if [ "$CONFIG_PARIDE" = "y" -o "$CONFIG_PARIDE" = "m" ]; then - source drivers/block/paride/Config.in -fi -dep_tristate 'Compaq SMART2 support' CONFIG_BLK_CPQ_DA $CONFIG_PCI -dep_tristate 'Compaq Smart Array 5xxx support' CONFIG_BLK_CPQ_CISS_DA $CONFIG_PCI -dep_tristate 'Mylex DAC960/DAC1100 PCI RAID Controller support' CONFIG_BLK_DEV_DAC960 $CONFIG_PCI - -tristate 'Loopback device support' CONFIG_BLK_DEV_LOOP -dep_tristate 'Network block device support' CONFIG_BLK_DEV_NBD $CONFIG_NET - -tristate 'RAM disk support' CONFIG_BLK_DEV_RAM -if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then - int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096 -fi -dep_bool ' Initial RAM disk (initrd) support' CONFIG_BLK_DEV_INITRD $CONFIG_BLK_DEV_RAM - -bool 'XenoLinux virtual block device support' CONFIG_XENOLINUX_BLOCK - -endmenu diff --git a/old/xenolinux-2.4.16-sparse/drivers/block/ll_rw_blk.c b/old/xenolinux-2.4.16-sparse/drivers/block/ll_rw_blk.c deleted file mode 100644 index cd1cb7ca9c..0000000000 --- a/old/xenolinux-2.4.16-sparse/drivers/block/ll_rw_blk.c +++ /dev/null @@ -1,1251 +0,0 @@ -/* - * linux/drivers/block/ll_rw_blk.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 1994, Karl Keyte: Added support for disk statistics - * Elevator latency, (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE - * Queue request tables / lock, selectable elevator, Jens Axboe <axboe@suse.de> - * kernel-doc documentation started by NeilBrown <neilb@cse.unsw.edu.au> - July2000 - */ - -/* - * This handles all read/write requests to block devices - */ -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/kernel_stat.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/config.h> -#include <linux/locks.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include <linux/completion.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <linux/blk.h> -#include <linux/highmem.h> -#include <linux/slab.h> -#include <linux/module.h> - -/* - * MAC Floppy IWM hooks - */ - -#ifdef CONFIG_MAC_FLOPPY_IWM -extern int mac_floppy_init(void); -#endif - -/* - * For the allocated request tables - */ -static kmem_cache_t *request_cachep; - -/* - * The "disk" task queue is used to start the actual requests - * after a plug - */ -DECLARE_TASK_QUEUE(tq_disk); - -/* - * Protect the request list against multiple users.. - * - * With this spinlock the Linux block IO subsystem is 100% SMP threaded - * from the IRQ event side, and almost 100% SMP threaded from the syscall - * side (we still have protect against block device array operations, and - * the do_request() side is casually still unsafe. The kernel lock protects - * this part currently.). - * - * there is a fair chance that things will work just OK if these functions - * are called with no global kernel lock held ... - */ -spinlock_t io_request_lock = SPIN_LOCK_UNLOCKED; - -/* This specifies how many sectors to read ahead on the disk. */ - -int read_ahead[MAX_BLKDEV]; - -/* blk_dev_struct is: - * *request_fn - * *current_request - */ -struct blk_dev_struct blk_dev[MAX_BLKDEV]; /* initialized by blk_dev_init() */ - -/* - * blk_size contains the size of all block-devices in units of 1024 byte - * sectors: - * - * blk_size[MAJOR][MINOR] - * - * if (!blk_size[MAJOR]) then no minor size checking is done. - */ -int * blk_size[MAX_BLKDEV]; - -/* - * blksize_size contains the size of all block-devices: - * - * blksize_size[MAJOR][MINOR] - * - * if (!blksize_size[MAJOR]) then 1024 bytes is assumed. - */ -int * blksize_size[MAX_BLKDEV]; - -/* - * hardsect_size contains the size of the hardware sector of a device. - * - * hardsect_size[MAJOR][MINOR] - * - * if (!hardsect_size[MAJOR]) - * then 512 bytes is assumed. - * else - * sector_size is hardsect_size[MAJOR][MINOR] - * This is currently set by some scsi devices and read by the msdos fs driver. - * Other uses may appear later. - */ -int * hardsect_size[MAX_BLKDEV]; - -/* - * The following tunes the read-ahead algorithm in mm/filemap.c - */ -int * max_readahead[MAX_BLKDEV]; - -/* - * Max number of sectors per request - */ -int * max_sectors[MAX_BLKDEV]; - -/* - * How many reqeusts do we allocate per queue, - * and how many do we "batch" on freeing them? - */ -static int queue_nr_requests, batch_requests; - -static inline int get_max_sectors(kdev_t dev) -{ - if (!max_sectors[MAJOR(dev)]) - return MAX_SECTORS; - return max_sectors[MAJOR(dev)][MINOR(dev)]; -} - -inline request_queue_t *blk_get_queue(kdev_t dev) -{ - struct blk_dev_struct *bdev = blk_dev + MAJOR(dev); - - if (bdev->queue) - return bdev->queue(dev); - else - return &blk_dev[MAJOR(dev)].request_queue; -} - -static int __blk_cleanup_queue(struct request_list *list) -{ - struct list_head *head = &list->free; - struct request *rq; - int i = 0; - - while (!list_empty(head)) { - rq = list_entry(head->next, struct request, queue); - list_del(&rq->queue); - kmem_cache_free(request_cachep, rq); - i++; - }; - - if (i != list->count) - printk("request list leak!\n"); - - list->count = 0; - return i; -} - -/** - * blk_cleanup_queue: - release a &request_queue_t when it is no longer needed - * @q: the request queue to be released - * - * Description: - * blk_cleanup_queue is the pair to blk_init_queue(). It should - * be called when a request queue is being released; typically - * when a block device is being de-registered. Currently, its - * primary task it to free all the &struct request structures that - * were allocated to the queue. - * Caveat: - * Hopefully the low level driver will have finished any - * outstanding requests first... - **/ -void blk_cleanup_queue(request_queue_t * q) -{ - int count = queue_nr_requests; - - count -= __blk_cleanup_queue(&q->rq[READ]); - count -= __blk_cleanup_queue(&q->rq[WRITE]); - - if (count) - printk("blk_cleanup_queue: leaked requests (%d)\n", count); - - memset(q, 0, sizeof(*q)); -} - -/** - * blk_queue_headactive - indicate whether head of request queue may be active - * @q: The queue which this applies to. - * @active: A flag indication where the head of the queue is active. - * - * Description: - * The driver for a block device may choose to leave the currently active - * request on the request queue, removing it only when it has completed. - * The queue handling routines assume this by default for safety reasons - * and will not involve the head of the request queue in any merging or - * reordering of requests when the queue is unplugged (and thus may be - * working on this particular request). - * - * If a driver removes requests from the queue before processing them, then - * it may indicate that it does so, there by allowing the head of the queue - * to be involved in merging and reordering. This is done be calling - * blk_queue_headactive() with an @active flag of %0. - * - * If a driver processes several requests at once, it must remove them (or - * at least all but one of them) from the request queue. - * - * When a queue is plugged the head will be assumed to be inactive. - **/ - -void blk_queue_headactive(request_queue_t * q, int active) -{ - q->head_active = active; -} - -/** - * blk_queue_make_request - define an alternate make_request function for a device - * @q: the request queue for the device to be affected - * @mfn: the alternate make_request function - * - * Description: - * The normal way for &struct buffer_heads to be passed to a device - * driver is for them to be collected into requests on a request - * queue, and then to allow the device driver to select requests - * off that queue when it is ready. This works well for many block - * devices. However some block devices (typically virtual devices - * such as md or lvm) do not benefit from the processing on the - * request queue, and are served best by having the requests passed - * directly to them. This can be achieved by providing a function - * to blk_queue_make_request(). - * - * Caveat: - * The driver that does this *must* be able to deal appropriately - * with buffers in "highmemory", either by calling bh_kmap() to get - * a kernel mapping, to by calling create_bounce() to create a - * buffer in normal memory. - **/ - -void blk_queue_make_request(request_queue_t * q, make_request_fn * mfn) -{ - q->make_request_fn = mfn; -} - -static inline int ll_new_segment(request_queue_t *q, struct request *req, int max_segments) -{ - if (req->nr_segments < max_segments) { - req->nr_segments++; - return 1; - } - return 0; -} - -static int ll_back_merge_fn(request_queue_t *q, struct request *req, - struct buffer_head *bh, int max_segments) -{ - if (req->bhtail->b_data + req->bhtail->b_size == bh->b_data) - return 1; - return ll_new_segment(q, req, max_segments); -} - -static int ll_front_merge_fn(request_queue_t *q, struct request *req, - struct buffer_head *bh, int max_segments) -{ - if (bh->b_data + bh->b_size == req->bh->b_data) - return 1; - return ll_new_segment(q, req, max_segments); -} - -static int ll_merge_requests_fn(request_queue_t *q, struct request *req, - struct request *next, int max_segments) -{ - int total_segments = req->nr_segments + next->nr_segments; - - if (req->bhtail->b_data + req->bhtail->b_size == next->bh->b_data) - total_segments--; - - if (total_segments > max_segments) - return 0; - - req->nr_segments = total_segments; - return 1; -} - -/* - * "plug" the device if there are no outstanding requests: this will - * force the transfer to start only after we have put all the requests - * on the list. - * - * This is called with interrupts off and no requests on the queue. - * (and with the request spinlock acquired) - */ -static void generic_plug_device(request_queue_t *q, kdev_t dev) -{ - /* - * no need to replug device - */ - if (!list_empty(&q->queue_head) || q->plugged) - return; - - q->plugged = 1; - queue_task(&q->plug_tq, &tq_disk); -} - -/* - * remove the plug and let it rip.. - */ -static inline void __generic_unplug_device(request_queue_t *q) -{ - if (q->plugged) { - q->plugged = 0; - if (!list_empty(&q->queue_head)) - q->request_fn(q); - } -} - -void generic_unplug_device(void *data) -{ - request_queue_t *q = (request_queue_t *) data; - unsigned long flags; - - spin_lock_irqsave(&io_request_lock, flags); - __generic_unplug_device(q); - spin_unlock_irqrestore(&io_request_lock, flags); -} - -static void blk_init_free_list(request_queue_t *q) -{ - struct request *rq; - int i; - - INIT_LIST_HEAD(&q->rq[READ].free); - INIT_LIST_HEAD(&q->rq[WRITE].free); - q->rq[READ].count = 0; - q->rq[WRITE].count = 0; - - /* - * Divide requests in half between read and write - */ - for (i = 0; i < queue_nr_requests; i++) { - rq = kmem_cache_alloc(request_cachep, SLAB_KERNEL); - if (rq == NULL) { - /* We'll get a `leaked requests' message from blk_cleanup_queue */ - printk(KERN_EMERG "blk_init_free_list: error allocating requests\n"); - break; - } - memset(rq, 0, sizeof(struct request)); - rq->rq_status = RQ_INACTIVE; - list_add(&rq->queue, &q->rq[i&1].free); - q->rq[i&1].count++; - } - - init_waitqueue_head(&q->wait_for_request); - spin_lock_init(&q->queue_lock); -} - -static int __make_request(request_queue_t * q, int rw, struct buffer_head * bh); - -/** - * blk_init_queue - prepare a request queue for use with a block device - * @q: The &request_queue_t to be initialised - * @rfn: The function to be called to process requests that have been - * placed on the queue. - * - * Description: - * If a block device wishes to use the standard request handling procedures, - * which sorts requests and coalesces adjacent requests, then it must - * call blk_init_queue(). The function @rfn will be called when there - * are requests on the queue that need to be processed. If the device - * supports plugging, then @rfn may not be called immediately when requests - * are available on the queue, but may be called at some time later instead. - * Plugged queues are generally unplugged when a buffer belonging to one - * of the requests on the queue is needed, or due to memory pressure. - * - * @rfn is not required, or even expected, to remove all requests off the - * queue, but only as many as it can handle at a time. If it does leave - * requests on the queue, it is responsible for arranging that the requests - * get dealt with eventually. - * - * A global spin lock $io_request_lock must be held while manipulating the - * requests on the request queue. - * - * The request on the head of the queue is by default assumed to be - * potentially active, and it is not considered for re-ordering or merging - * whenever the given queue is unplugged. This behaviour can be changed with - * blk_queue_headactive(). - * - * Note: - * blk_init_queue() must be paired with a blk_cleanup_queue() call - * when the block device is deactivated (such as at module unload). - **/ -void blk_init_queue(request_queue_t * q, request_fn_proc * rfn) -{ - INIT_LIST_HEAD(&q->queue_head); - elevator_init(&q->elevator, ELEVATOR_LINUS); - blk_init_free_list(q); - q->request_fn = rfn; - q->back_merge_fn = ll_back_merge_fn; - q->front_merge_fn = ll_front_merge_fn; - q->merge_requests_fn = ll_merge_requests_fn; - q->make_request_fn = __make_request; - q->plug_tq.sync = 0; - q->plug_tq.routine = &generic_unplug_device; - q->plug_tq.data = q; - q->plugged = 0; - /* - * These booleans describe the queue properties. We set the - * default (and most common) values here. Other drivers can - * use the appropriate functions to alter the queue properties. - * as appropriate. - */ - q->plug_device_fn = generic_plug_device; - q->head_active = 1; -} - -#define blkdev_free_rq(list) list_entry((list)->next, struct request, queue); -/* - * Get a free request. io_request_lock must be held and interrupts - * disabled on the way in. - */ -static inline struct request *get_request(request_queue_t *q, int rw) -{ - struct request *rq = NULL; - struct request_list *rl = q->rq + rw; - - if (!list_empty(&rl->free)) { - rq = blkdev_free_rq(&rl->free); - list_del(&rq->queue); - rl->count--; - rq->rq_status = RQ_ACTIVE; - rq->special = NULL; - rq->q = q; - } - - return rq; -} - -/* - * No available requests for this queue, unplug the device. - */ -static struct request *__get_request_wait(request_queue_t *q, int rw) -{ - register struct request *rq; - DECLARE_WAITQUEUE(wait, current); - - generic_unplug_device(q); - add_wait_queue(&q->wait_for_request, &wait); - do { - set_current_state(TASK_UNINTERRUPTIBLE); - if (q->rq[rw].count < batch_requests) - schedule(); - spin_lock_irq(&io_request_lock); - rq = get_request(q,rw); - spin_unlock_irq(&io_request_lock); - } while (rq == NULL); - remove_wait_queue(&q->wait_for_request, &wait); - current->state = TASK_RUNNING; - return rq; -} - -static inline struct request *get_request_wait(request_queue_t *q, int rw) -{ - register struct request *rq; - - spin_lock_irq(&io_request_lock); - rq = get_request(q, rw); - spin_unlock_irq(&io_request_lock); - if (rq) - return rq; - return __get_request_wait(q, rw); -} - -/* RO fail safe mechanism */ - -static long ro_bits[MAX_BLKDEV][8]; - -int is_read_only(kdev_t dev) -{ - int minor,major; - - major = MAJOR(dev); - minor = MINOR(dev); - if (major < 0 || major >= MAX_BLKDEV) return 0; - return ro_bits[major][minor >> 5] & (1 << (minor & 31)); -} - -void set_device_ro(kdev_t dev,int flag) -{ - int minor,major; - - major = MAJOR(dev); - minor = MINOR(dev); - if (major < 0 || major >= MAX_BLKDEV) return; - if (flag) ro_bits[major][minor >> 5] |= 1 << (minor & 31); - else ro_bits[major][minor >> 5] &= ~(1 << (minor & 31)); -} - -inline void drive_stat_acct (kdev_t dev, int rw, - unsigned long nr_sectors, int new_io) -{ - unsigned int major = MAJOR(dev); - unsigned int index; - - index = disk_index(dev); - if ((index >= DK_MAX_DISK) || (major >= DK_MAX_MAJOR)) - return; - - kstat.dk_drive[major][index] += new_io; - if (rw == READ) { - kstat.dk_drive_rio[major][index] += new_io; - kstat.dk_drive_rblk[major][index] += nr_sectors; - } else if (rw == WRITE) { - kstat.dk_drive_wio[major][index] += new_io; - kstat.dk_drive_wblk[major][index] += nr_sectors; - } else - printk(KERN_ERR "drive_stat_acct: cmd not R/W?\n"); -} - -/* - * add-request adds a request to the linked list. - * io_request_lock is held and interrupts disabled, as we muck with the - * request queue list. - * - * By this point, req->cmd is always either READ/WRITE, never READA, - * which is important for drive_stat_acct() above. - */ -static inline void add_request(request_queue_t * q, struct request * req, - struct list_head *insert_here) -{ - drive_stat_acct(req->rq_dev, req->cmd, req->nr_sectors, 1); - - if (!q->plugged && q->head_active && insert_here == &q->queue_head) { - spin_unlock_irq(&io_request_lock); - printk("list_empty(&q->queue_head) is %d\n", - list_empty(&q->queue_head)); - BUG(); - } - - /* - * elevator indicated where it wants this request to be - * inserted at elevator_merge time - */ - list_add(&req->queue, insert_here); -} - -/* - * Must be called with io_request_lock held and interrupts disabled - */ -inline void blkdev_release_request(struct request *req) -{ - request_queue_t *q = req->q; - int rw = req->cmd; - - req->rq_status = RQ_INACTIVE; - req->q = NULL; - - /* - * Request may not have originated from ll_rw_blk. if not, - * assume it has free buffers and check waiters - */ - if (q) { - list_add(&req->queue, &q->rq[rw].free); - if (++q->rq[rw].count >= batch_requests && waitqueue_active(&q->wait_for_request)) - wake_up(&q->wait_for_request); - } -} - -/* - * Has to be called with the request spinlock acquired - */ -static void attempt_merge(request_queue_t * q, - struct request *req, - int max_sectors, - int max_segments) -{ - struct request *next; - - next = blkdev_next_request(req); - if (req->sector + req->nr_sectors != next->sector) - return; - if (req->cmd != next->cmd - || req->rq_dev != next->rq_dev - || req->nr_sectors + next->nr_sectors > max_sectors - || next->waiting) - return; - /* - * If we are not allowed to merge these requests, then - * return. If we are allowed to merge, then the count - * will have been updated to the appropriate number, - * and we shouldn't do it here too. - */ - if (!q->merge_requests_fn(q, req, next, max_segments)) - return; - - q->elevator.elevator_merge_req_fn(req, next); - req->bhtail->b_reqnext = next->bh; - req->bhtail = next->bhtail; - req->nr_sectors = req->hard_nr_sectors += next->hard_nr_sectors; - list_del(&next->queue); - blkdev_release_request(next); -} - -static inline void attempt_back_merge(request_queue_t * q, - struct request *req, - int max_sectors, - int max_segments) -{ - if (&req->queue == q->queue_head.prev) - return; - attempt_merge(q, req, max_sectors, max_segments); -} - -static inline void attempt_front_merge(request_queue_t * q, - struct list_head * head, - struct request *req, - int max_sectors, - int max_segments) -{ - struct list_head * prev; - - prev = req->queue.prev; - if (head == prev) - return; - attempt_merge(q, blkdev_entry_to_request(prev), max_sectors, max_segments); -} - -static int __make_request(request_queue_t * q, int rw, - struct buffer_head * bh) -{ - unsigned int sector, count; - int max_segments = MAX_SEGMENTS; - struct request * req, *freereq = NULL; - int rw_ahead, max_sectors, el_ret; - struct list_head *head, *insert_here; - int latency; - elevator_t *elevator = &q->elevator; - - count = bh->b_size >> 9; - sector = bh->b_rsector; - - rw_ahead = 0; /* normal case; gets changed below for READA */ - switch (rw) { - case READA: - rw_ahead = 1; - rw = READ; /* drop into READ */ - case READ: - case WRITE: - latency = elevator_request_latency(elevator, rw); - break; - default: - BUG(); - goto end_io; - } - - /* We'd better have a real physical mapping! - Check this bit only if the buffer was dirty and just locked - down by us so at this point flushpage will block and - won't clear the mapped bit under us. */ - if (!buffer_mapped(bh)) - BUG(); - - /* - * Temporary solution - in 2.5 this will be done by the lowlevel - * driver. Create a bounce buffer if the buffer data points into - * high memory - keep the original buffer otherwise. - */ -#if CONFIG_HIGHMEM - bh = create_bounce(rw, bh); -#endif - -/* look for a free request. */ - /* - * Try to coalesce the new request with old requests - */ - max_sectors = get_max_sectors(bh->b_rdev); - -again: - req = NULL; - head = &q->queue_head; - /* - * Now we acquire the request spinlock, we have to be mega careful - * not to schedule or do something nonatomic - */ - spin_lock_irq(&io_request_lock); - - insert_here = head->prev; - if (list_empty(head)) { - q->plug_device_fn(q, bh->b_rdev); /* is atomic */ - goto get_rq; - } else if (q->head_active && !q->plugged) - head = head->next; - - el_ret = elevator->elevator_merge_fn(q, &req, head, bh, rw,max_sectors); - switch (el_ret) { - - case ELEVATOR_BACK_MERGE: - if (!q->back_merge_fn(q, req, bh, max_segments)) - break; - elevator->elevator_merge_cleanup_fn(q, req, count); - req->bhtail->b_reqnext = bh; - req->bhtail = bh; - req->nr_sectors = req->hard_nr_sectors += count; - blk_started_io(count); - drive_stat_acct(req->rq_dev, req->cmd, count, 0); - attempt_back_merge(q, req, max_sectors, max_segments); - goto out; - - case ELEVATOR_FRONT_MERGE: - if (!q->front_merge_fn(q, req, bh, max_segments)) - break; - elevator->elevator_merge_cleanup_fn(q, req, count); - bh->b_reqnext = req->bh; - req->bh = bh; - req->buffer = bh->b_data; - req->current_nr_sectors = count; - req->sector = req->hard_sector = sector; - req->nr_sectors = req->hard_nr_sectors += count; - blk_started_io(count); - drive_stat_acct(req->rq_dev, req->cmd, count, 0); - attempt_front_merge(q, head, req, max_sectors, max_segments); - goto out; - - /* - * elevator says don't/can't merge. get new request - */ - case ELEVATOR_NO_MERGE: - /* - * use elevator hints as to where to insert the - * request. if no hints, just add it to the back - * of the queue - */ - if (req) - insert_here = &req->queue; - break; - - default: - printk("elevator returned crap (%d)\n", el_ret); - BUG(); - } - - /* - * Grab a free request from the freelist - if that is empty, check - * if we are doing read ahead and abort instead of blocking for - * a free slot. - */ -get_rq: - if (freereq) { - req = freereq; - freereq = NULL; - } else if ((req = get_request(q, rw)) == NULL) { - spin_unlock_irq(&io_request_lock); - if (rw_ahead) - goto end_io; - - freereq = __get_request_wait(q, rw); - goto again; - } - -/* fill up the request-info, and add it to the queue */ - req->elevator_sequence = latency; - req->cmd = rw; - req->errors = 0; - req->hard_sector = req->sector = sector; - req->hard_nr_sectors = req->nr_sectors = count; - req->current_nr_sectors = count; - req->nr_segments = 1; /* Always 1 for a new request. */ - req->nr_hw_segments = 1; /* Always 1 for a new request. */ - req->buffer = bh->b_data; - req->waiting = NULL; - req->bh = bh; - req->bhtail = bh; - req->rq_dev = bh->b_rdev; - blk_started_io(count); - - add_request(q, req, insert_here); -out: - if (freereq) - blkdev_release_request(freereq); - spin_unlock_irq(&io_request_lock); - return 0; -end_io: - bh->b_end_io(bh, test_bit(BH_Uptodate, &bh->b_state)); - return 0; -} - -/** - * generic_make_request: hand a buffer head to it's device driver for I/O - * @rw: READ, WRITE, or READA - what sort of I/O is desired. - * @bh: The buffer head describing the location in memory and on the device. - * - * generic_make_request() is used to make I/O requests of block - * devices. It is passed a &struct buffer_head and a &rw value. The - * %READ and %WRITE options are (hopefully) obvious in meaning. The - * %READA value means that a read is required, but that the driver is - * free to fail the request if, for example, it cannot get needed - * resources immediately. - * - * generic_make_request() does not return any status. The - * success/failure status of the request, along with notification of - * completion, is delivered asynchronously through the bh->b_end_io - * function described (one day) else where. - * - * The caller of generic_make_request must make sure that b_page, - * b_addr, b_size are set to describe the memory buffer, that b_rdev - * and b_rsector are set to describe the device address, and the - * b_end_io and optionally b_private are set to describe how - * completion notification should be signaled. BH_Mapped should also - * be set (to confirm that b_dev and b_blocknr are valid). - * - * generic_make_request and the drivers it calls may use b_reqnext, - * and may change b_rdev and b_rsector. So the values of these fields - * should NOT be depended on after the call to generic_make_request. - * Because of this, the caller should record the device address - * information in b_dev and b_blocknr. - * - * Apart from those fields mentioned above, no other fields, and in - * particular, no other flags, are changed by generic_make_request or - * any lower level drivers. - * */ -void generic_make_request (int rw, struct buffer_head * bh) -{ - int major = MAJOR(bh->b_rdev); - int minorsize = 0; - request_queue_t *q; - - if (!bh->b_end_io) - BUG(); - - /* Test device size, when known. */ - if (blk_size[major]) - minorsize = blk_size[major][MINOR(bh->b_rdev)]; - if (minorsize) { - unsigned long maxsector = (minorsize << 1) + 1; - unsigned long sector = bh->b_rsector; - unsigned int count = bh->b_size >> 9; - - if (maxsector < count || maxsector - count < sector) { - /* Yecch */ - bh->b_state &= (1 << BH_Lock) | (1 << BH_Mapped); - - /* This may well happen - the kernel calls bread() - without checking the size of the device, e.g., - when mounting a device. */ - printk(KERN_INFO - "attempt to access beyond end of device\n"); - printk(KERN_INFO "%s: rw=%d, want=%ld, limit=%d\n", - kdevname(bh->b_rdev), rw, - (sector + count)>>1, minorsize); - - /* Yecch again */ - bh->b_end_io(bh, 0); - return; - } - } - - /* - * Resolve the mapping until finished. (drivers are - * still free to implement/resolve their own stacking - * by explicitly returning 0) - */ - /* NOTE: we don't repeat the blk_size check for each new device. - * Stacking drivers are expected to know what they are doing. - */ - do { - q = blk_get_queue(bh->b_rdev); - if (!q) { - printk(KERN_ERR - "generic_make_request: Trying to access " - "nonexistent block-device %s (%ld)\n", - kdevname(bh->b_rdev), bh->b_rsector); - buffer_IO_error(bh); - break; - } - } while (q->make_request_fn(q, rw, bh)); -} - - -/** - * submit_bh: submit a buffer_head to the block device later for I/O - * @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead) - * @bh: The &struct buffer_head which describes the I/O - * - * submit_bh() is very similar in purpose to generic_make_request(), and - * uses that function to do most of the work. - * - * The extra functionality provided by submit_bh is to determine - * b_rsector from b_blocknr and b_size, and to set b_rdev from b_dev. - * This is is appropriate for IO requests that come from the buffer - * cache and page cache which (currently) always use aligned blocks. - */ -void submit_bh(int rw, struct buffer_head * bh) -{ - int count = bh->b_size >> 9; - - if (!test_bit(BH_Lock, &bh->b_state)) - BUG(); - - set_bit(BH_Req, &bh->b_state); - - /* - * First step, 'identity mapping' - RAID or LVM might - * further remap this. - */ - bh->b_rdev = bh->b_dev; - bh->b_rsector = bh->b_blocknr * count; - - generic_make_request(rw, bh); - - switch (rw) { - case WRITE: - kstat.pgpgout += count; - break; - default: - kstat.pgpgin += count; - break; - } -} - -/** - * ll_rw_block: low-level access to block devices - * @rw: whether to %READ or %WRITE or maybe %READA (readahead) - * @nr: number of &struct buffer_heads in the array - * @bhs: array of pointers to &struct buffer_head - * - * ll_rw_block() takes an array of pointers to &struct buffer_heads, - * and requests an I/O operation on them, either a %READ or a %WRITE. - * The third %READA option is described in the documentation for - * generic_make_request() which ll_rw_block() calls. - * - * This function provides extra functionality that is not in - * generic_make_request() that is relevant to buffers in the buffer - * cache or page cache. In particular it drops any buffer that it - * cannot get a lock on (with the BH_Lock state bit), any buffer that - * appears to be clean when doing a write request, and any buffer that - * appears to be up-to-date when doing read request. Further it marks - * as clean buffers that are processed for writing (the buffer cache - * wont assume that they are actually clean until the buffer gets - * unlocked). - * - * ll_rw_block sets b_end_io to simple completion handler that marks - * the buffer up-to-date (if approriate), unlocks the buffer and wakes - * any waiters. As client that needs a more interesting completion - * routine should call submit_bh() (or generic_make_request()) - * directly. - * - * Caveat: - * All of the buffers must be for the same device, and must also be - * of the current approved size for the device. */ - -void ll_rw_block(int rw, int nr, struct buffer_head * bhs[]) -{ - unsigned int major; - int correct_size; - int i; - - if (!nr) - return; - - major = MAJOR(bhs[0]->b_dev); - - /* Determine correct block size for this device. */ - correct_size = get_hardsect_size(bhs[0]->b_dev); - - /* Verify requested block sizes. */ - for (i = 0; i < nr; i++) { - struct buffer_head *bh = bhs[i]; - if (bh->b_size % correct_size) { - printk(KERN_NOTICE "ll_rw_block: device %s: " - "only %d-char blocks implemented (%u)\n", - kdevname(bhs[0]->b_dev), - correct_size, bh->b_size); - goto sorry; - } - } - - if ((rw & WRITE) && is_read_only(bhs[0]->b_dev)) { - printk(KERN_NOTICE "Can't write to read-only device %s\n", - kdevname(bhs[0]->b_dev)); - goto sorry; - } - - for (i = 0; i < nr; i++) { - struct buffer_head *bh = bhs[i]; - - /* Only one thread can actually submit the I/O. */ - if (test_and_set_bit(BH_Lock, &bh->b_state)) - continue; - - /* We have the buffer lock */ - atomic_inc(&bh->b_count); - bh->b_end_io = end_buffer_io_sync; - - switch(rw) { - case WRITE: - if (!atomic_set_buffer_clean(bh)) - /* Hmmph! Nothing to write */ - goto end_io; - __mark_buffer_clean(bh); - break; - - case READA: - case READ: - if (buffer_uptodate(bh)) - /* Hmmph! Already have it */ - goto end_io; - break; - default: - BUG(); - end_io: - bh->b_end_io(bh, test_bit(BH_Uptodate, &bh->b_state)); - continue; - } - - submit_bh(rw, bh); - } - return; - -sorry: - /* Make sure we don't get infinite dirty retries.. */ - for (i = 0; i < nr; i++) - mark_buffer_clean(bhs[i]); -} - -#ifdef CONFIG_STRAM_SWAP -extern int stram_device_init (void); -#endif - - -/** - * end_that_request_first - end I/O on one buffer. - * @req: the request being processed - * @uptodate: 0 for I/O error - * @name: the name printed for an I/O error - * - * Description: - * Ends I/O on the first buffer attached to @req, and sets it up - * for the next buffer_head (if any) in the cluster. - * - * Return: - * 0 - we are done with this request, call end_that_request_last() - * 1 - still buffers pending for this request - * - * Caveat: - * Drivers implementing their own end_request handling must call - * blk_finished_io() appropriately. - **/ - -int end_that_request_first (struct request *req, int uptodate, char *name) -{ - struct buffer_head * bh; - int nsect; - - req->errors = 0; - if (!uptodate) - printk("end_request: I/O error, dev %s (%s), sector %lu\n", - kdevname(req->rq_dev), name, req->sector); - - if ((bh = req->bh) != NULL) { - nsect = bh->b_size >> 9; - blk_finished_io(nsect); - req->bh = bh->b_reqnext; - bh->b_reqnext = NULL; - bh->b_end_io(bh, uptodate); - if ((bh = req->bh) != NULL) { - req->hard_sector += nsect; - req->hard_nr_sectors -= nsect; - req->sector = req->hard_sector; - req->nr_sectors = req->hard_nr_sectors; - - req->current_nr_sectors = bh->b_size >> 9; - if (req->nr_sectors < req->current_nr_sectors) { - req->nr_sectors = req->current_nr_sectors; - printk("end_request: buffer-list destroyed\n"); - } - req->buffer = bh->b_data; - return 1; - } - } - return 0; -} - -void end_that_request_last(struct request *req) -{ - if (req->waiting != NULL) - complete(req->waiting); - - blkdev_release_request(req); -} - -#define MB(kb) ((kb) << 10) - -int __init blk_dev_init(void) -{ - struct blk_dev_struct *dev; - int total_ram; - - request_cachep = kmem_cache_create("blkdev_requests", - sizeof(struct request), - 0, SLAB_HWCACHE_ALIGN, NULL, NULL); - - if (!request_cachep) - panic("Can't create request pool slab cache\n"); - - for (dev = blk_dev + MAX_BLKDEV; dev-- != blk_dev;) - dev->queue = NULL; - - memset(ro_bits,0,sizeof(ro_bits)); - memset(max_readahead, 0, sizeof(max_readahead)); - memset(max_sectors, 0, sizeof(max_sectors)); - - total_ram = nr_free_pages() << (PAGE_SHIFT - 10); - - /* - * Free request slots per queue. - * (Half for reads, half for writes) - */ - queue_nr_requests = 64; - if (total_ram > MB(32)) - queue_nr_requests = 128; - - /* - * Batch frees according to queue length - */ - batch_requests = queue_nr_requests/4; - printk("block: %d slots per queue, batch=%d\n", queue_nr_requests, batch_requests); - -#ifdef CONFIG_AMIGA_Z2RAM - z2_init(); -#endif -#ifdef CONFIG_STRAM_SWAP - stram_device_init(); -#endif -#ifdef CONFIG_BLK_DEV_RAM - rd_init(); -#endif -#ifdef CONFIG_ISP16_CDI - isp16_init(); -#endif -#if defined(CONFIG_IDE) && defined(CONFIG_BLK_DEV_IDE) - ide_init(); /* this MUST precede hd_init */ -#endif -#if defined(CONFIG_IDE) && defined(CONFIG_BLK_DEV_HD) - hd_init(); -#endif -#ifdef CONFIG_BLK_DEV_PS2 - ps2esdi_init(); -#endif -#ifdef CONFIG_BLK_DEV_XD - xd_init(); -#endif -#ifdef CONFIG_BLK_DEV_MFM - mfm_init(); -#endif -#ifdef CONFIG_PARIDE - { extern void paride_init(void); paride_init(); }; -#endif -#ifdef CONFIG_MAC_FLOPPY - swim3_init(); -#endif -#ifdef CONFIG_BLK_DEV_SWIM_IOP - swimiop_init(); -#endif -#ifdef CONFIG_AMIGA_FLOPPY - amiga_floppy_init(); -#endif -#ifdef CONFIG_ATARI_FLOPPY - atari_floppy_init(); -#endif -#ifdef CONFIG_BLK_DEV_FD - floppy_init(); -#else -#if defined(__i386__) && !defined(CONFIG_XENO) /* Do we even need this? */ - outb_p(0xc, 0x3f2); -#endif -#endif -#ifdef CONFIG_CDU31A - cdu31a_init(); -#endif -#ifdef CONFIG_ATARI_ACSI - acsi_init(); -#endif -#ifdef CONFIG_MCD - mcd_init(); -#endif -#ifdef CONFIG_MCDX - mcdx_init(); -#endif -#ifdef CONFIG_SBPCD - sbpcd_init(); -#endif -#ifdef CONFIG_AZTCD - aztcd_init(); -#endif -#ifdef CONFIG_CDU535 - sony535_init(); -#endif -#ifdef CONFIG_GSCD - gscd_init(); -#endif -#ifdef CONFIG_CM206 - cm206_init(); -#endif -#ifdef CONFIG_OPTCD - optcd_init(); -#endif -#ifdef CONFIG_SJCD - sjcd_init(); -#endif -#ifdef CONFIG_APBLOCK - ap_init(); -#endif -#ifdef CONFIG_DDV - ddv_init(); -#endif -#ifdef CONFIG_MDISK - mdisk_init(); -#endif -#ifdef CONFIG_DASD - dasd_init(); -#endif -#if defined(CONFIG_S390_TAPE) && defined(CONFIG_S390_TAPE_BLOCK) - tapeblock_init(); -#endif -#ifdef CONFIG_BLK_DEV_XPRAM - xpram_init(); -#endif - -#ifdef CONFIG_SUN_JSFLASH - jsfd_init(); -#endif - -#ifdef CONFIG_XENOLINUX_BLOCK - xlblk_init(); -#endif - - return 0; -}; - -EXPORT_SYMBOL(io_request_lock); -EXPORT_SYMBOL(end_that_request_first); -EXPORT_SYMBOL(end_that_request_last); -EXPORT_SYMBOL(blk_init_queue); -EXPORT_SYMBOL(blk_get_queue); -EXPORT_SYMBOL(blk_cleanup_queue); -EXPORT_SYMBOL(blk_queue_headactive); -EXPORT_SYMBOL(blk_queue_make_request); -EXPORT_SYMBOL(generic_make_request); -EXPORT_SYMBOL(blkdev_release_request); -EXPORT_SYMBOL(generic_unplug_device); diff --git a/old/xenolinux-2.4.16-sparse/drivers/block/rd.c b/old/xenolinux-2.4.16-sparse/drivers/block/rd.c deleted file mode 100644 index ffcc9d3825..0000000000 --- a/old/xenolinux-2.4.16-sparse/drivers/block/rd.c +++ /dev/null @@ -1,1009 +0,0 @@ -/* - * ramdisk.c - Multiple RAM disk driver - gzip-loading version - v. 0.8 beta. - * - * (C) Chad Page, Theodore Ts'o, et. al, 1995. - * - * This RAM disk is designed to have filesystems created on it and mounted - * just like a regular floppy disk. - * - * It also does something suggested by Linus: use the buffer cache as the - * RAM disk data. This makes it possible to dynamically allocate the RAM disk - * buffer - with some consequences I have to deal with as I write this. - * - * This code is based on the original ramdisk.c, written mostly by - * Theodore Ts'o (TYT) in 1991. The code was largely rewritten by - * Chad Page to use the buffer cache to store the RAM disk data in - * 1995; Theodore then took over the driver again, and cleaned it up - * for inclusion in the mainline kernel. - * - * The original CRAMDISK code was written by Richard Lyons, and - * adapted by Chad Page to use the new RAM disk interface. Theodore - * Ts'o rewrote it so that both the compressed RAM disk loader and the - * kernel decompressor uses the same inflate.c codebase. The RAM disk - * loader now also loads into a dynamic (buffer cache based) RAM disk, - * not the old static RAM disk. Support for the old static RAM disk has - * been completely removed. - * - * Loadable module support added by Tom Dyas. - * - * Further cleanups by Chad Page (page0588@sundance.sjsu.edu): - * Cosmetic changes in #ifdef MODULE, code movement, etc. - * When the RAM disk module is removed, free the protected buffers - * Default RAM disk size changed to 2.88 MB - * - * Added initrd: Werner Almesberger & Hans Lermen, Feb '96 - * - * 4/25/96 : Made RAM disk size a parameter (default is now 4 MB) - * - Chad Page - * - * Add support for fs images split across >1 disk, Paul Gortmaker, Mar '98 - * - * Make block size and block size shift for RAM disks a global macro - * and set blk_size for -ENOSPC, Werner Fink <werner@suse.de>, Apr '99 - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/minix_fs.h> -#include <linux/ext2_fs.h> -#include <linux/romfs_fs.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/hdreg.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/slab.h> -#include <linux/ioctl.h> -#include <linux/fd.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/devfs_fs_kernel.h> -#include <linux/smp_lock.h> - -#include <asm/system.h> -#include <asm/uaccess.h> -#include <asm/byteorder.h> - -extern void wait_for_keypress(void); - -/* - * 35 has been officially registered as the RAMDISK major number, but - * so is the original MAJOR number of 1. We're using 1 in - * include/linux/major.h for now - */ -#define MAJOR_NR RAMDISK_MAJOR -#include <linux/blk.h> -#include <linux/blkpg.h> - -/* The RAM disk size is now a parameter */ -#define NUM_RAMDISKS 16 /* This cannot be overridden (yet) */ - -#ifndef MODULE -/* We don't have to load RAM disks or gunzip them in a module. */ -#define RD_LOADER -#define BUILD_CRAMDISK - -void rd_load(void); -static int crd_load(struct file *fp, struct file *outfp); - -#ifdef CONFIG_BLK_DEV_INITRD -static int initrd_users; -#endif -#endif - -/* Various static variables go here. Most are used only in the RAM disk code. - */ - -static unsigned long rd_length[NUM_RAMDISKS]; /* Size of RAM disks in bytes */ -static int rd_hardsec[NUM_RAMDISKS]; /* Size of real blocks in bytes */ -static int rd_blocksizes[NUM_RAMDISKS]; /* Size of 1024 byte blocks :) */ -static int rd_kbsize[NUM_RAMDISKS]; /* Size in blocks of 1024 bytes */ -static devfs_handle_t devfs_handle; -static struct block_device *rd_bdev[NUM_RAMDISKS];/* Protected device data */ - -/* - * Parameters for the boot-loading of the RAM disk. These are set by - * init/main.c (from arguments to the kernel command line) or from the - * architecture-specific setup routine (from the stored boot sector - * information). - */ -int rd_size = CONFIG_BLK_DEV_RAM_SIZE; /* Size of the RAM disks */ -/* - * It would be very desiderable to have a soft-blocksize (that in the case - * of the ramdisk driver is also the hardblocksize ;) of PAGE_SIZE because - * doing that we'll achieve a far better MM footprint. Using a rd_blocksize of - * BLOCK_SIZE in the worst case we'll make PAGE_SIZE/BLOCK_SIZE buffer-pages - * unfreeable. With a rd_blocksize of PAGE_SIZE instead we are sure that only - * 1 page will be protected. Depending on the size of the ramdisk you - * may want to change the ramdisk blocksize to achieve a better or worse MM - * behaviour. The default is still BLOCK_SIZE (needed by rd_load_image that - * supposes the filesystem in the image uses a BLOCK_SIZE blocksize). - */ -int rd_blocksize = BLOCK_SIZE; /* blocksize of the RAM disks */ - -#ifndef MODULE - -int rd_doload; /* 1 = load RAM disk, 0 = don't load */ -int rd_prompt = 1; /* 1 = prompt for RAM disk, 0 = don't prompt */ -int rd_image_start; /* starting block # of image */ -#ifdef CONFIG_BLK_DEV_INITRD -unsigned long initrd_start, initrd_end; -int mount_initrd = 1; /* zero if initrd should not be mounted */ -int initrd_below_start_ok; - -static int __init no_initrd(char *str) -{ - mount_initrd = 0; - return 1; -} - -__setup("noinitrd", no_initrd); - -#endif - -static int __init ramdisk_start_setup(char *str) -{ - rd_image_start = simple_strtol(str,NULL,0); - return 1; -} - -static int __init load_ramdisk(char *str) -{ - rd_doload = simple_strtol(str,NULL,0) & 3; - return 1; -} - -static int __init prompt_ramdisk(char *str) -{ - rd_prompt = simple_strtol(str,NULL,0) & 1; - return 1; -} - -static int __init ramdisk_size(char *str) -{ - rd_size = simple_strtol(str,NULL,0); - return 1; -} - -static int __init ramdisk_size2(char *str) -{ - return ramdisk_size(str); -} - -static int __init ramdisk_blocksize(char *str) -{ - rd_blocksize = simple_strtol(str,NULL,0); - return 1; -} - -__setup("ramdisk_start=", ramdisk_start_setup); -__setup("load_ramdisk=", load_ramdisk); -__setup("prompt_ramdisk=", prompt_ramdisk); -__setup("ramdisk=", ramdisk_size); -__setup("ramdisk_size=", ramdisk_size2); -__setup("ramdisk_blocksize=", ramdisk_blocksize); - -#endif - -/* - * Copyright (C) 2000 Linus Torvalds. - * 2000 Transmeta Corp. - * aops copied from ramfs. - */ -static int ramdisk_readpage(struct file *file, struct page * page) -{ - if (!Page_Uptodate(page)) { - memset(kmap(page), 0, PAGE_CACHE_SIZE); - kunmap(page); - flush_dcache_page(page); - SetPageUptodate(page); - } - UnlockPage(page); - return 0; -} - -static int ramdisk_prepare_write(struct file *file, struct page *page, unsigned offset, unsigned to) -{ - if (!Page_Uptodate(page)) { - void *addr = page_address(page); - memset(addr, 0, PAGE_CACHE_SIZE); - flush_dcache_page(page); - SetPageUptodate(page); - } - SetPageDirty(page); - return 0; -} - -static int ramdisk_commit_write(struct file *file, struct page *page, unsigned offset, unsigned to) -{ - return 0; -} - -static struct address_space_operations ramdisk_aops = { - readpage: ramdisk_readpage, - writepage: fail_writepage, - prepare_write: ramdisk_prepare_write, - commit_write: ramdisk_commit_write, -}; - -static int rd_blkdev_pagecache_IO(int rw, struct buffer_head * sbh, int minor) -{ - struct address_space * mapping; - unsigned long index; - int offset, size, err; - - err = -EIO; - err = 0; - mapping = rd_bdev[minor]->bd_inode->i_mapping; - - index = sbh->b_rsector >> (PAGE_CACHE_SHIFT - 9); - offset = (sbh->b_rsector << 9) & ~PAGE_CACHE_MASK; - size = sbh->b_size; - - do { - int count; - struct page ** hash; - struct page * page; - char * src, * dst; - int unlock = 0; - - count = PAGE_CACHE_SIZE - offset; - if (count > size) - count = size; - size -= count; - - hash = page_hash(mapping, index); - page = __find_get_page(mapping, index, hash); - if (!page) { - page = grab_cache_page(mapping, index); - err = -ENOMEM; - if (!page) - goto out; - err = 0; - - if (!Page_Uptodate(page)) { - memset(kmap(page), 0, PAGE_CACHE_SIZE); - kunmap(page); - SetPageUptodate(page); - } - - unlock = 1; - } - - index++; - - if (rw == READ) { - src = kmap(page); - src += offset; - dst = bh_kmap(sbh); - } else { - dst = kmap(page); - dst += offset; - src = bh_kmap(sbh); - } - offset = 0; - - memcpy(dst, src, count); - - kunmap(page); - bh_kunmap(sbh); - - if (rw == READ) { - flush_dcache_page(page); - } else { - SetPageDirty(page); - } - if (unlock) - UnlockPage(page); - __free_page(page); - } while (size); - - out: - return err; -} - -/* - * Basically, my strategy here is to set up a buffer-head which can't be - * deleted, and make that my Ramdisk. If the request is outside of the - * allocated size, we must get rid of it... - * - * 19-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Added devfs support - * - */ -static int rd_make_request(request_queue_t * q, int rw, struct buffer_head *sbh) -{ - unsigned int minor; - unsigned long offset, len; - - minor = MINOR(sbh->b_rdev); - - if (minor >= NUM_RAMDISKS) - goto fail; - - - offset = sbh->b_rsector << 9; - len = sbh->b_size; - - if ((offset + len) > rd_length[minor]) - goto fail; - - if (rw==READA) - rw=READ; - if ((rw != READ) && (rw != WRITE)) { - printk(KERN_INFO "RAMDISK: bad command: %d\n", rw); - goto fail; - } - - if (rd_blkdev_pagecache_IO(rw, sbh, minor)) - goto fail; - - sbh->b_end_io(sbh,1); - return 0; - fail: - sbh->b_end_io(sbh,0); - return 0; -} - -static int rd_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - int error = -EINVAL; - unsigned int minor; - - if (!inode || !inode->i_rdev) - goto out; - - minor = MINOR(inode->i_rdev); - - switch (cmd) { - case BLKFLSBUF: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - /* special: we want to release the ramdisk memory, - it's not like with the other blockdevices where - this ioctl only flushes away the buffer cache. */ - error = -EBUSY; - down(&inode->i_bdev->bd_sem); - if (inode->i_bdev->bd_openers <= 2) { - truncate_inode_pages(inode->i_mapping, 0); - error = 0; - } - up(&inode->i_bdev->bd_sem); - break; - case BLKGETSIZE: /* Return device size */ - if (!arg) - break; - error = put_user(rd_kbsize[minor] << 1, (unsigned long *) arg); - break; - case BLKGETSIZE64: - error = put_user((u64)rd_kbsize[minor]<<10, (u64*)arg); - break; - case BLKROSET: - case BLKROGET: - case BLKSSZGET: - error = blk_ioctl(inode->i_rdev, cmd, arg); - }; -out: - return error; -} - - -#ifdef CONFIG_BLK_DEV_INITRD - -static ssize_t initrd_read(struct file *file, char *buf, - size_t count, loff_t *ppos) -{ - int left; - - left = initrd_end - initrd_start - *ppos; - if (count > left) count = left; - if (count == 0) return 0; - copy_to_user(buf, (char *)initrd_start + *ppos, count); - *ppos += count; - return count; -} - - -static int initrd_release(struct inode *inode,struct file *file) -{ - extern void free_initrd_mem(unsigned long, unsigned long); - - lock_kernel(); - if (!--initrd_users) { - free_initrd_mem(initrd_start, initrd_end); - initrd_start = 0; - } - unlock_kernel(); - blkdev_put(inode->i_bdev, BDEV_FILE); - return 0; -} - - -static struct file_operations initrd_fops = { - read: initrd_read, - release: initrd_release, -}; - -#endif - - -static int rd_open(struct inode * inode, struct file * filp) -{ - int unit = DEVICE_NR(inode->i_rdev); - -#ifdef CONFIG_BLK_DEV_INITRD - if (unit == INITRD_MINOR) { - if (!initrd_start) return -ENODEV; - initrd_users++; - filp->f_op = &initrd_fops; - return 0; - } -#endif - - if (unit >= NUM_RAMDISKS) - return -ENXIO; - - /* - * Immunize device against invalidate_buffers() and prune_icache(). - */ - if (rd_bdev[unit] == NULL) { - rd_bdev[unit] = bdget(kdev_t_to_nr(inode->i_rdev)); - rd_bdev[unit]->bd_openers++; - rd_bdev[unit]->bd_inode->i_mapping->a_ops = &ramdisk_aops; - } - - return 0; -} - -static struct block_device_operations rd_bd_op = { - owner: THIS_MODULE, - open: rd_open, - ioctl: rd_ioctl, -}; - -#ifdef MODULE -/* Before freeing the module, invalidate all of the protected buffers! */ -static void __exit rd_cleanup (void) -{ - int i; - - for (i = 0 ; i < NUM_RAMDISKS; i++) { - struct block_device *bdev = rd_bdev[i]; - rd_bdev[i] = NULL; - if (bdev) - blkdev_put(bdev, BDEV_FILE); - destroy_buffers(MKDEV(MAJOR_NR, i)); - } - - devfs_unregister (devfs_handle); - unregister_blkdev( MAJOR_NR, "ramdisk" ); - hardsect_size[MAJOR_NR] = NULL; - blksize_size[MAJOR_NR] = NULL; - blk_size[MAJOR_NR] = NULL; -} -#endif - -/* This is the registration and initialization section of the RAM disk driver */ -int __init rd_init (void) -{ - int i; - - if (rd_blocksize > PAGE_SIZE || rd_blocksize < 512 || - (rd_blocksize & (rd_blocksize-1))) - { - printk("RAMDISK: wrong blocksize %d, reverting to defaults\n", - rd_blocksize); - rd_blocksize = BLOCK_SIZE; - } - - if (register_blkdev(MAJOR_NR, "ramdisk", &rd_bd_op)) { - printk("RAMDISK: Could not get major %d", MAJOR_NR); - return -EIO; - } - - blk_queue_make_request(BLK_DEFAULT_QUEUE(MAJOR_NR), &rd_make_request); - - for (i = 0; i < NUM_RAMDISKS; i++) { - /* rd_size is given in kB */ - rd_length[i] = rd_size << 10; - rd_hardsec[i] = rd_blocksize; - rd_blocksizes[i] = rd_blocksize; - rd_kbsize[i] = rd_size; - } - devfs_handle = devfs_mk_dir (NULL, "rd", NULL); - devfs_register_series (devfs_handle, "%u", NUM_RAMDISKS, - DEVFS_FL_DEFAULT, MAJOR_NR, 0, - S_IFBLK | S_IRUSR | S_IWUSR, - &rd_bd_op, NULL); - - for (i = 0; i < NUM_RAMDISKS; i++) - register_disk(NULL, MKDEV(MAJOR_NR,i), 1, &rd_bd_op, rd_size<<1); - -#ifdef CONFIG_BLK_DEV_INITRD - /* We ought to separate initrd operations here */ - register_disk(NULL, MKDEV(MAJOR_NR,INITRD_MINOR), 1, &rd_bd_op, rd_size<<1); -#endif - - hardsect_size[MAJOR_NR] = rd_hardsec; /* Size of the RAM disk blocks */ - blksize_size[MAJOR_NR] = rd_blocksizes; /* Avoid set_blocksize() check */ - blk_size[MAJOR_NR] = rd_kbsize; /* Size of the RAM disk in kB */ - - /* rd_size is given in kB */ - printk("RAMDISK driver initialized: " - "%d RAM disks of %dK size %d blocksize\n", - NUM_RAMDISKS, rd_size, rd_blocksize); - - return 0; -} - -#ifdef MODULE -module_init(rd_init); -module_exit(rd_cleanup); -#endif - -/* loadable module support */ -MODULE_PARM (rd_size, "1i"); -MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes."); -MODULE_PARM (rd_blocksize, "i"); -MODULE_PARM_DESC(rd_blocksize, "Blocksize of each RAM disk in bytes."); - -MODULE_LICENSE("GPL"); - -/* End of non-loading portions of the RAM disk driver */ - -#ifdef RD_LOADER -/* - * This routine tries to find a RAM disk image to load, and returns the - * number of blocks to read for a non-compressed image, 0 if the image - * is a compressed image, and -1 if an image with the right magic - * numbers could not be found. - * - * We currently check for the following magic numbers: - * minix - * ext2 - * romfs - * gzip - */ -static int __init -identify_ramdisk_image(kdev_t device, struct file *fp, int start_block) -{ - const int size = 512; - struct minix_super_block *minixsb; - struct ext2_super_block *ext2sb; - struct romfs_super_block *romfsb; - int nblocks = -1; - unsigned char *buf; - - buf = kmalloc(size, GFP_KERNEL); - if (buf == 0) - return -1; - - minixsb = (struct minix_super_block *) buf; - ext2sb = (struct ext2_super_block *) buf; - romfsb = (struct romfs_super_block *) buf; - memset(buf, 0xe5, size); - - /* - * Read block 0 to test for gzipped kernel - */ - if (fp->f_op->llseek) - fp->f_op->llseek(fp, start_block * BLOCK_SIZE, 0); - fp->f_pos = start_block * BLOCK_SIZE; - - fp->f_op->read(fp, buf, size, &fp->f_pos); - - /* - * If it matches the gzip magic numbers, return -1 - */ - if (buf[0] == 037 && ((buf[1] == 0213) || (buf[1] == 0236))) { - printk(KERN_NOTICE - "RAMDISK: Compressed image found at block %d\n", - start_block); - nblocks = 0; - goto done; - } - - /* romfs is at block zero too */ - if (romfsb->word0 == ROMSB_WORD0 && - romfsb->word1 == ROMSB_WORD1) { - printk(KERN_NOTICE - "RAMDISK: romfs filesystem found at block %d\n", - start_block); - nblocks = (ntohl(romfsb->size)+BLOCK_SIZE-1)>>BLOCK_SIZE_BITS; - goto done; - } - - /* - * Read block 1 to test for minix and ext2 superblock - */ - if (fp->f_op->llseek) - fp->f_op->llseek(fp, (start_block+1) * BLOCK_SIZE, 0); - fp->f_pos = (start_block+1) * BLOCK_SIZE; - - fp->f_op->read(fp, buf, size, &fp->f_pos); - - /* Try minix */ - if (minixsb->s_magic == MINIX_SUPER_MAGIC || - minixsb->s_magic == MINIX_SUPER_MAGIC2) { - printk(KERN_NOTICE - "RAMDISK: Minix filesystem found at block %d\n", - start_block); - nblocks = minixsb->s_nzones << minixsb->s_log_zone_size; - goto done; - } - - /* Try ext2 */ - if (ext2sb->s_magic == cpu_to_le16(EXT2_SUPER_MAGIC)) { - printk(KERN_NOTICE - "RAMDISK: ext2 filesystem found at block %d\n", - start_block); - nblocks = le32_to_cpu(ext2sb->s_blocks_count); - goto done; - } - - printk(KERN_NOTICE - "RAMDISK: Couldn't find valid RAM disk image starting at %d.\n", - start_block); - -done: - if (fp->f_op->llseek) - fp->f_op->llseek(fp, start_block * BLOCK_SIZE, 0); - fp->f_pos = start_block * BLOCK_SIZE; - - kfree(buf); - return nblocks; -} - -/* - * This routine loads in the RAM disk image. - */ -static void __init rd_load_image(kdev_t device, int offset, int unit) -{ - struct inode *inode, *out_inode; - struct file infile, outfile; - struct dentry in_dentry, out_dentry; - mm_segment_t fs; - kdev_t ram_device; - int nblocks, i; - char *buf; - unsigned short rotate = 0; - unsigned short devblocks = 0; -#if !defined(CONFIG_ARCH_S390) && !defined(CONFIG_PPC_ISERIES) && !defined(CONFIG_XENO) - char rotator[4] = { '|' , '/' , '-' , '\\' }; -#endif - ram_device = MKDEV(MAJOR_NR, unit); - - if ((inode = get_empty_inode()) == NULL) - return; - memset(&infile, 0, sizeof(infile)); - memset(&in_dentry, 0, sizeof(in_dentry)); - infile.f_mode = 1; /* read only */ - infile.f_dentry = &in_dentry; - in_dentry.d_inode = inode; - infile.f_op = &def_blk_fops; - init_special_inode(inode, S_IFBLK | S_IRUSR, kdev_t_to_nr(device)); - - if ((out_inode = get_empty_inode()) == NULL) - goto free_inode; - memset(&outfile, 0, sizeof(outfile)); - memset(&out_dentry, 0, sizeof(out_dentry)); - outfile.f_mode = 3; /* read/write */ - outfile.f_dentry = &out_dentry; - out_dentry.d_inode = out_inode; - outfile.f_op = &def_blk_fops; - init_special_inode(out_inode, S_IFBLK | S_IRUSR | S_IWUSR, kdev_t_to_nr(ram_device)); - - if (blkdev_open(inode, &infile) != 0) { - iput(out_inode); - goto free_inode; - } - if (blkdev_open(out_inode, &outfile) != 0) - goto free_inodes; - - fs = get_fs(); - set_fs(KERNEL_DS); - - nblocks = identify_ramdisk_image(device, &infile, offset); - if (nblocks < 0) - goto done; - - if (nblocks == 0) { -#ifdef BUILD_CRAMDISK - if (crd_load(&infile, &outfile) == 0) - goto successful_load; -#else - printk(KERN_NOTICE - "RAMDISK: Kernel does not support compressed " - "RAM disk images\n"); -#endif - goto done; - } - - /* - * NOTE NOTE: nblocks suppose that the blocksize is BLOCK_SIZE, so - * rd_load_image will work only with filesystem BLOCK_SIZE wide! - * So make sure to use 1k blocksize while generating ext2fs - * ramdisk-images. - */ - if (nblocks > (rd_length[unit] >> BLOCK_SIZE_BITS)) { - printk("RAMDISK: image too big! (%d/%ld blocks)\n", - nblocks, rd_length[unit] >> BLOCK_SIZE_BITS); - goto done; - } - - /* - * OK, time to copy in the data - */ - buf = kmalloc(BLOCK_SIZE, GFP_KERNEL); - if (buf == 0) { - printk(KERN_ERR "RAMDISK: could not allocate buffer\n"); - goto done; - } - - if (blk_size[MAJOR(device)]) - devblocks = blk_size[MAJOR(device)][MINOR(device)]; - -#ifdef CONFIG_BLK_DEV_INITRD - if (MAJOR(device) == MAJOR_NR && MINOR(device) == INITRD_MINOR) - devblocks = nblocks; -#endif - - if (devblocks == 0) { - printk(KERN_ERR "RAMDISK: could not determine device size\n"); - goto done; - } - - printk(KERN_NOTICE "RAMDISK: Loading %d blocks [%d disk%s] into ram disk... ", - nblocks, ((nblocks-1)/devblocks)+1, nblocks>devblocks ? "s" : ""); - for (i=0; i < nblocks; i++) { - if (i && (i % devblocks == 0)) { - printk("done disk #%d.\n", i/devblocks); - rotate = 0; - if (infile.f_op->release(inode, &infile) != 0) { - printk("Error closing the disk.\n"); - goto noclose_input; - } - printk("Please insert disk #%d and press ENTER\n", i/devblocks+1); - wait_for_keypress(); - if (blkdev_open(inode, &infile) != 0) { - printk("Error opening disk.\n"); - goto noclose_input; - } - infile.f_pos = 0; - printk("Loading disk #%d... ", i/devblocks+1); - } - infile.f_op->read(&infile, buf, BLOCK_SIZE, &infile.f_pos); - outfile.f_op->write(&outfile, buf, BLOCK_SIZE, &outfile.f_pos); -#if !defined(CONFIG_ARCH_S390) && !defined(CONFIG_PPC_ISERIES) && !defined(CONFIG_XENO) - if (!(i % 16)) { - printk("%c\b", rotator[rotate & 0x3]); - rotate++; - } -#endif - } - printk("done.\n"); - kfree(buf); - -successful_load: - ROOT_DEV = MKDEV(MAJOR_NR, unit); - if (ROOT_DEVICE_NAME != NULL) strcpy (ROOT_DEVICE_NAME, "rd/0"); - -done: - infile.f_op->release(inode, &infile); -noclose_input: - blkdev_close(out_inode, &outfile); - iput(inode); - iput(out_inode); - set_fs(fs); - return; -free_inodes: /* free inodes on error */ - iput(out_inode); - infile.f_op->release(inode, &infile); -free_inode: - iput(inode); -} - -#ifdef CONFIG_MAC_FLOPPY -int swim3_fd_eject(int devnum); -#endif - -static void __init rd_load_disk(int n) -{ - - if (rd_doload == 0) - return; - - if (MAJOR(ROOT_DEV) != FLOPPY_MAJOR -#ifdef CONFIG_BLK_DEV_INITRD - && MAJOR(real_root_dev) != FLOPPY_MAJOR -#endif - ) - return; - - if (rd_prompt) { -#ifdef CONFIG_BLK_DEV_FD - floppy_eject(); -#endif -#ifdef CONFIG_MAC_FLOPPY - if(MAJOR(ROOT_DEV) == FLOPPY_MAJOR) - swim3_fd_eject(MINOR(ROOT_DEV)); - else if(MAJOR(real_root_dev) == FLOPPY_MAJOR) - swim3_fd_eject(MINOR(real_root_dev)); -#endif - printk(KERN_NOTICE - "VFS: Insert root floppy disk to be loaded into RAM disk and press ENTER\n"); - wait_for_keypress(); - } - - rd_load_image(ROOT_DEV,rd_image_start, n); - -} - -void __init rd_load(void) -{ - rd_load_disk(0); -} - -void __init rd_load_secondary(void) -{ - rd_load_disk(1); -} - -#ifdef CONFIG_BLK_DEV_INITRD -void __init initrd_load(void) -{ - rd_load_image(MKDEV(MAJOR_NR, INITRD_MINOR),rd_image_start,0); -} -#endif - -#endif /* RD_LOADER */ - -#ifdef BUILD_CRAMDISK - -/* - * gzip declarations - */ - -#define OF(args) args - -#ifndef memzero -#define memzero(s, n) memset ((s), 0, (n)) -#endif - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define INBUFSIZ 4096 -#define WSIZE 0x8000 /* window size--must be a power of two, and */ - /* at least 32K for zip's deflate method */ - -static uch *inbuf; -static uch *window; - -static unsigned insize; /* valid bytes in inbuf */ -static unsigned inptr; /* index of next byte to be processed in inbuf */ -static unsigned outcnt; /* bytes in output buffer */ -static int exit_code; -static long bytes_out; -static struct file *crd_infp, *crd_outfp; - -#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) - -/* Diagnostic functions (stubbed out) */ -#define Assert(cond,msg) -#define Trace(x) -#define Tracev(x) -#define Tracevv(x) -#define Tracec(c,x) -#define Tracecv(c,x) - -#define STATIC static - -static int fill_inbuf(void); -static void flush_window(void); -static void *malloc(int size); -static void free(void *where); -static void error(char *m); -static void gzip_mark(void **); -static void gzip_release(void **); - -#include "../../lib/inflate.c" - -static void __init *malloc(int size) -{ - return kmalloc(size, GFP_KERNEL); -} - -static void __init free(void *where) -{ - kfree(where); -} - -static void __init gzip_mark(void **ptr) -{ -} - -static void __init gzip_release(void **ptr) -{ -} - - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int __init fill_inbuf(void) -{ - if (exit_code) return -1; - - insize = crd_infp->f_op->read(crd_infp, inbuf, INBUFSIZ, - &crd_infp->f_pos); - if (insize == 0) return -1; - - inptr = 1; - - return inbuf[0]; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -static void __init flush_window(void) -{ - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, ch; - - crd_outfp->f_op->write(crd_outfp, window, outcnt, &crd_outfp->f_pos); - in = window; - for (n = 0; n < outcnt; n++) { - ch = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - outcnt = 0; -} - -static void __init error(char *x) -{ - printk(KERN_ERR "%s", x); - exit_code = 1; -} - -static int __init -crd_load(struct file * fp, struct file *outfp) -{ - int result; - - insize = 0; /* valid bytes in inbuf */ - inptr = 0; /* index of next byte to be processed in inbuf */ - outcnt = 0; /* bytes in output buffer */ - exit_code = 0; - bytes_out = 0; - crc = (ulg)0xffffffffL; /* shift register contents */ - - crd_infp = fp; - crd_outfp = outfp; - inbuf = kmalloc(INBUFSIZ, GFP_KERNEL); - if (inbuf == 0) { - printk(KERN_ERR "RAMDISK: Couldn't allocate gzip buffer\n"); - return -1; - } - window = kmalloc(WSIZE, GFP_KERNEL); - if (window == 0) { - printk(KERN_ERR "RAMDISK: Couldn't allocate gzip window\n"); - kfree(inbuf); - return -1; - } - makecrc(); - result = gunzip(); - kfree(inbuf); - kfree(window); - return result; -} - -#endif /* BUILD_CRAMDISK */ - diff --git a/old/xenolinux-2.4.16-sparse/drivers/char/tty_io.c b/old/xenolinux-2.4.16-sparse/drivers/char/tty_io.c deleted file mode 100644 index 1466b03add..0000000000 --- a/old/xenolinux-2.4.16-sparse/drivers/char/tty_io.c +++ /dev/null @@ -1,2388 +0,0 @@ -/* - * linux/drivers/char/tty_io.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * 'tty_io.c' gives an orthogonal feeling to tty's, be they consoles - * or rs-channels. It also implements echoing, cooked mode etc. - * - * Kill-line thanks to John T Kohl, who also corrected VMIN = VTIME = 0. - * - * Modified by Theodore Ts'o, 9/14/92, to dynamically allocate the - * tty_struct and tty_queue structures. Previously there was an array - * of 256 tty_struct's which was statically allocated, and the - * tty_queue structures were allocated at boot time. Both are now - * dynamically allocated only when the tty is open. - * - * Also restructured routines so that there is more of a separation - * between the high-level tty routines (tty_io.c and tty_ioctl.c) and - * the low-level tty routines (serial.c, pty.c, console.c). This - * makes for cleaner and more compact code. -TYT, 9/17/92 - * - * Modified by Fred N. van Kempen, 01/29/93, to add line disciplines - * which can be dynamically activated and de-activated by the line - * discipline handling modules (like SLIP). - * - * NOTE: pay no attention to the line discipline code (yet); its - * interface is still subject to change in this version... - * -- TYT, 1/31/92 - * - * Added functionality to the OPOST tty handling. No delays, but all - * other bits should be there. - * -- Nick Holloway <alfie@dcs.warwick.ac.uk>, 27th May 1993. - * - * Rewrote canonical mode and added more termios flags. - * -- julian@uhunix.uhcc.hawaii.edu (J. Cowley), 13Jan94 - * - * Reorganized FASYNC support so mouse code can share it. - * -- ctm@ardi.com, 9Sep95 - * - * New TIOCLINUX variants added. - * -- mj@k332.feld.cvut.cz, 19-Nov-95 - * - * Restrict vt switching via ioctl() - * -- grif@cs.ucr.edu, 5-Dec-95 - * - * Move console and virtual terminal code to more appropriate files, - * implement CONFIG_VT and generalize console device interface. - * -- Marko Kohtala <Marko.Kohtala@hut.fi>, March 97 - * - * Rewrote init_dev and release_dev to eliminate races. - * -- Bill Hawes <whawes@star.net>, June 97 - * - * Added devfs support. - * -- C. Scott Ananian <cananian@alumni.princeton.edu>, 13-Jan-1998 - * - * Added support for a Unix98-style ptmx device. - * -- C. Scott Ananian <cananian@alumni.princeton.edu>, 14-Jan-1998 - * - * Reduced memory usage for older ARM systems - * -- Russell King <rmk@arm.linux.org.uk> - * - * Move do_SAK() into process context. Less stack use in devfs functions. - * alloc_tty_struct() always uses kmalloc() -- Andrew Morton <andrewm@uow.edu.eu> 17Mar01 - */ - -#include <linux/config.h> -#include <linux/types.h> -#include <linux/major.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/fcntl.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/tty.h> -#include <linux/tty_driver.h> -#include <linux/tty_flip.h> -#include <linux/devpts_fs.h> -#include <linux/file.h> -#include <linux/console.h> -#include <linux/timer.h> -#include <linux/ctype.h> -#include <linux/kd.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/proc_fs.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/smp_lock.h> - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/bitops.h> - -#include <linux/kbd_kern.h> -#include <linux/vt_kern.h> -#include <linux/selection.h> -#include <linux/devfs_fs_kernel.h> - -#include <linux/kmod.h> - -#ifdef CONFIG_XENO -extern void xeno_console_init(void); -#endif - -#ifdef CONFIG_VT -extern void con_init_devfs (void); -#endif - -#define CONSOLE_DEV MKDEV(TTY_MAJOR,0) -#define TTY_DEV MKDEV(TTYAUX_MAJOR,0) -#define SYSCONS_DEV MKDEV(TTYAUX_MAJOR,1) -#define PTMX_DEV MKDEV(TTYAUX_MAJOR,2) - -#undef TTY_DEBUG_HANGUP - -#define TTY_PARANOIA_CHECK 1 -#define CHECK_TTY_COUNT 1 - -struct termios tty_std_termios; /* for the benefit of tty drivers */ -struct tty_driver *tty_drivers; /* linked list of tty drivers */ -struct tty_ldisc ldiscs[NR_LDISCS]; /* line disc dispatch table */ - -#ifdef CONFIG_UNIX98_PTYS -extern struct tty_driver ptm_driver[]; /* Unix98 pty masters; for /dev/ptmx */ -extern struct tty_driver pts_driver[]; /* Unix98 pty slaves; for /dev/ptmx */ -#endif - -/* - * redirect is the pseudo-tty that console output - * is redirected to if asked by TIOCCONS. - */ -struct tty_struct * redirect; - -static void initialize_tty_struct(struct tty_struct *tty); - -static ssize_t tty_read(struct file *, char *, size_t, loff_t *); -static ssize_t tty_write(struct file *, const char *, size_t, loff_t *); -static unsigned int tty_poll(struct file *, poll_table *); -static int tty_open(struct inode *, struct file *); -static int tty_release(struct inode *, struct file *); -int tty_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg); -static int tty_fasync(int fd, struct file * filp, int on); -extern int vme_scc_init (void); -extern long vme_scc_console_init(void); -extern int serial167_init(void); -extern long serial167_console_init(void); -extern void console_8xx_init(void); -extern int rs_8xx_init(void); -extern void mac_scc_console_init(void); -extern void hwc_console_init(void); -extern void hwc_tty_init(void); -extern void con3215_init(void); -extern void tty3215_init(void); -extern void tub3270_con_init(void); -extern void tub3270_init(void); -extern void rs285_console_init(void); -extern void sa1100_rs_console_init(void); -extern void sgi_serial_console_init(void); -extern void sci_console_init(void); -extern void tx3912_console_init(void); -extern void tx3912_rs_init(void); - -#ifndef MIN -#define MIN(a,b) ((a) < (b) ? (a) : (b)) -#endif -#ifndef MAX -#define MAX(a,b) ((a) < (b) ? (b) : (a)) -#endif - -static struct tty_struct *alloc_tty_struct(void) -{ - struct tty_struct *tty; - - tty = kmalloc(sizeof(struct tty_struct), GFP_KERNEL); - if (tty) - memset(tty, 0, sizeof(struct tty_struct)); - return tty; -} - -static inline void free_tty_struct(struct tty_struct *tty) -{ - kfree(tty); -} - -/* - * This routine returns the name of tty. - */ -static char * -_tty_make_name(struct tty_struct *tty, const char *name, char *buf) -{ - int idx = (tty)?MINOR(tty->device) - tty->driver.minor_start:0; - - if (!tty) /* Hmm. NULL pointer. That's fun. */ - strcpy(buf, "NULL tty"); - else - sprintf(buf, name, - idx + tty->driver.name_base); - - return buf; -} - -#define TTY_NUMBER(tty) (MINOR((tty)->device) - (tty)->driver.minor_start + \ - (tty)->driver.name_base) - -char *tty_name(struct tty_struct *tty, char *buf) -{ - return _tty_make_name(tty, (tty)?tty->driver.name:NULL, buf); -} - -inline int tty_paranoia_check(struct tty_struct *tty, kdev_t device, - const char *routine) -{ -#ifdef TTY_PARANOIA_CHECK - static const char badmagic[] = KERN_WARNING - "Warning: bad magic number for tty struct (%s) in %s\n"; - static const char badtty[] = KERN_WARNING - "Warning: null TTY for (%s) in %s\n"; - - if (!tty) { - printk(badtty, kdevname(device), routine); - return 1; - } - if (tty->magic != TTY_MAGIC) { - printk(badmagic, kdevname(device), routine); - return 1; - } -#endif - return 0; -} - -static int check_tty_count(struct tty_struct *tty, const char *routine) -{ -#ifdef CHECK_TTY_COUNT - struct list_head *p; - int count = 0; - - file_list_lock(); - for(p = tty->tty_files.next; p != &tty->tty_files; p = p->next) { - if(list_entry(p, struct file, f_list)->private_data == tty) - count++; - } - file_list_unlock(); - if (tty->driver.type == TTY_DRIVER_TYPE_PTY && - tty->driver.subtype == PTY_TYPE_SLAVE && - tty->link && tty->link->count) - count++; - if (tty->count != count) { - printk(KERN_WARNING "Warning: dev (%s) tty->count(%d) " - "!= #fd's(%d) in %s\n", - kdevname(tty->device), tty->count, count, routine); - return count; - } -#endif - return 0; -} - -int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc) -{ - if (disc < N_TTY || disc >= NR_LDISCS) - return -EINVAL; - - if (new_ldisc) { - ldiscs[disc] = *new_ldisc; - ldiscs[disc].flags |= LDISC_FLAG_DEFINED; - ldiscs[disc].num = disc; - } else - memset(&ldiscs[disc], 0, sizeof(struct tty_ldisc)); - - return 0; -} - -EXPORT_SYMBOL(tty_register_ldisc); - -/* Set the discipline of a tty line. */ -static int tty_set_ldisc(struct tty_struct *tty, int ldisc) -{ - int retval = 0; - struct tty_ldisc o_ldisc; - char buf[64]; - - if ((ldisc < N_TTY) || (ldisc >= NR_LDISCS)) - return -EINVAL; - /* Eduardo Blanco <ejbs@cs.cs.com.uy> */ - /* Cyrus Durgin <cider@speakeasy.org> */ - if (!(ldiscs[ldisc].flags & LDISC_FLAG_DEFINED)) { - char modname [20]; - sprintf(modname, "tty-ldisc-%d", ldisc); - request_module (modname); - } - if (!(ldiscs[ldisc].flags & LDISC_FLAG_DEFINED)) - return -EINVAL; - - if (tty->ldisc.num == ldisc) - return 0; /* We are already in the desired discipline */ - o_ldisc = tty->ldisc; - - tty_wait_until_sent(tty, 0); - - /* Shutdown the current discipline. */ - if (tty->ldisc.close) - (tty->ldisc.close)(tty); - - /* Now set up the new line discipline. */ - tty->ldisc = ldiscs[ldisc]; - tty->termios->c_line = ldisc; - if (tty->ldisc.open) - retval = (tty->ldisc.open)(tty); - if (retval < 0) { - tty->ldisc = o_ldisc; - tty->termios->c_line = tty->ldisc.num; - if (tty->ldisc.open && (tty->ldisc.open(tty) < 0)) { - tty->ldisc = ldiscs[N_TTY]; - tty->termios->c_line = N_TTY; - if (tty->ldisc.open) { - int r = tty->ldisc.open(tty); - - if (r < 0) - panic("Couldn't open N_TTY ldisc for " - "%s --- error %d.", - tty_name(tty, buf), r); - } - } - } - if (tty->ldisc.num != o_ldisc.num && tty->driver.set_ldisc) - tty->driver.set_ldisc(tty); - return retval; -} - -/* - * This routine returns a tty driver structure, given a device number - */ -struct tty_driver *get_tty_driver(kdev_t device) -{ - int major, minor; - struct tty_driver *p; - - minor = MINOR(device); - major = MAJOR(device); - - for (p = tty_drivers; p; p = p->next) { - if (p->major != major) - continue; - if (minor < p->minor_start) - continue; - if (minor >= p->minor_start + p->num) - continue; - return p; - } - return NULL; -} - -/* - * If we try to write to, or set the state of, a terminal and we're - * not in the foreground, send a SIGTTOU. If the signal is blocked or - * ignored, go ahead and perform the operation. (POSIX 7.2) - */ -int tty_check_change(struct tty_struct * tty) -{ - if (current->tty != tty) - return 0; - if (tty->pgrp <= 0) { - printk(KERN_WARNING "tty_check_change: tty->pgrp <= 0!\n"); - return 0; - } - if (current->pgrp == tty->pgrp) - return 0; - if (is_ignored(SIGTTOU)) - return 0; - if (is_orphaned_pgrp(current->pgrp)) - return -EIO; - (void) kill_pg(current->pgrp,SIGTTOU,1); - return -ERESTARTSYS; -} - -static ssize_t hung_up_tty_read(struct file * file, char * buf, - size_t count, loff_t *ppos) -{ - /* Can't seek (pread) on ttys. */ - if (ppos != &file->f_pos) - return -ESPIPE; - return 0; -} - -static ssize_t hung_up_tty_write(struct file * file, const char * buf, - size_t count, loff_t *ppos) -{ - /* Can't seek (pwrite) on ttys. */ - if (ppos != &file->f_pos) - return -ESPIPE; - return -EIO; -} - -/* No kernel lock held - none needed ;) */ -static unsigned int hung_up_tty_poll(struct file * filp, poll_table * wait) -{ - return POLLIN | POLLOUT | POLLERR | POLLHUP | POLLRDNORM | POLLWRNORM; -} - -static int hung_up_tty_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg) -{ - return cmd == TIOCSPGRP ? -ENOTTY : -EIO; -} - -static struct file_operations tty_fops = { - llseek: no_llseek, - read: tty_read, - write: tty_write, - poll: tty_poll, - ioctl: tty_ioctl, - open: tty_open, - release: tty_release, - fasync: tty_fasync, -}; - -static struct file_operations hung_up_tty_fops = { - llseek: no_llseek, - read: hung_up_tty_read, - write: hung_up_tty_write, - poll: hung_up_tty_poll, - ioctl: hung_up_tty_ioctl, - release: tty_release, -}; - -/* - * This can be called by the "eventd" kernel thread. That is process synchronous, - * but doesn't hold any locks, so we need to make sure we have the appropriate - * locks for what we're doing.. - */ -void do_tty_hangup(void *data) -{ - struct tty_struct *tty = (struct tty_struct *) data; - struct file * cons_filp = NULL; - struct task_struct *p; - struct list_head *l; - int closecount = 0, n; - - if (!tty) - return; - - /* inuse_filps is protected by the single kernel lock */ - lock_kernel(); - - check_tty_count(tty, "do_tty_hangup"); - file_list_lock(); - for (l = tty->tty_files.next; l != &tty->tty_files; l = l->next) { - struct file * filp = list_entry(l, struct file, f_list); - if (filp->f_dentry->d_inode->i_rdev == CONSOLE_DEV || - filp->f_dentry->d_inode->i_rdev == SYSCONS_DEV) { - cons_filp = filp; - continue; - } - if (filp->f_op != &tty_fops) - continue; - closecount++; - tty_fasync(-1, filp, 0); /* can't block */ - filp->f_op = &hung_up_tty_fops; - } - file_list_unlock(); - - /* FIXME! What are the locking issues here? This may me overdoing things.. */ - { - unsigned long flags; - - save_flags(flags); cli(); - if (tty->ldisc.flush_buffer) - tty->ldisc.flush_buffer(tty); - if (tty->driver.flush_buffer) - tty->driver.flush_buffer(tty); - if ((test_bit(TTY_DO_WRITE_WAKEUP, &tty->flags)) && - tty->ldisc.write_wakeup) - (tty->ldisc.write_wakeup)(tty); - restore_flags(flags); - } - - wake_up_interruptible(&tty->write_wait); - wake_up_interruptible(&tty->read_wait); - - /* - * Shutdown the current line discipline, and reset it to - * N_TTY. - */ - if (tty->driver.flags & TTY_DRIVER_RESET_TERMIOS) - *tty->termios = tty->driver.init_termios; - if (tty->ldisc.num != ldiscs[N_TTY].num) { - if (tty->ldisc.close) - (tty->ldisc.close)(tty); - tty->ldisc = ldiscs[N_TTY]; - tty->termios->c_line = N_TTY; - if (tty->ldisc.open) { - int i = (tty->ldisc.open)(tty); - if (i < 0) - printk(KERN_ERR "do_tty_hangup: N_TTY open: " - "error %d\n", -i); - } - } - - read_lock(&tasklist_lock); - for_each_task(p) { - if ((tty->session > 0) && (p->session == tty->session) && - p->leader) { - send_sig(SIGHUP,p,1); - send_sig(SIGCONT,p,1); - if (tty->pgrp > 0) - p->tty_old_pgrp = tty->pgrp; - } - if (p->tty == tty) - p->tty = NULL; - } - read_unlock(&tasklist_lock); - - tty->flags = 0; - tty->session = 0; - tty->pgrp = -1; - tty->ctrl_status = 0; - /* - * If one of the devices matches a console pointer, we - * cannot just call hangup() because that will cause - * tty->count and state->count to go out of sync. - * So we just call close() the right number of times. - */ - if (cons_filp) { - if (tty->driver.close) - for (n = 0; n < closecount; n++) - tty->driver.close(tty, cons_filp); - } else if (tty->driver.hangup) - (tty->driver.hangup)(tty); - unlock_kernel(); -} - -void tty_hangup(struct tty_struct * tty) -{ -#ifdef TTY_DEBUG_HANGUP - char buf[64]; - - printk(KERN_DEBUG "%s hangup...\n", tty_name(tty, buf)); -#endif - schedule_task(&tty->tq_hangup); -} - -void tty_vhangup(struct tty_struct * tty) -{ -#ifdef TTY_DEBUG_HANGUP - char buf[64]; - - printk(KERN_DEBUG "%s vhangup...\n", tty_name(tty, buf)); -#endif - do_tty_hangup((void *) tty); -} - -int tty_hung_up_p(struct file * filp) -{ - return (filp->f_op == &hung_up_tty_fops); -} - -/* - * This function is typically called only by the session leader, when - * it wants to disassociate itself from its controlling tty. - * - * It performs the following functions: - * (1) Sends a SIGHUP and SIGCONT to the foreground process group - * (2) Clears the tty from being controlling the session - * (3) Clears the controlling tty for all processes in the - * session group. - * - * The argument on_exit is set to 1 if called when a process is - * exiting; it is 0 if called by the ioctl TIOCNOTTY. - */ -void disassociate_ctty(int on_exit) -{ - struct tty_struct *tty = current->tty; - struct task_struct *p; - int tty_pgrp = -1; - - if (tty) { - tty_pgrp = tty->pgrp; - if (on_exit && tty->driver.type != TTY_DRIVER_TYPE_PTY) - tty_vhangup(tty); - } else { - if (current->tty_old_pgrp) { - kill_pg(current->tty_old_pgrp, SIGHUP, on_exit); - kill_pg(current->tty_old_pgrp, SIGCONT, on_exit); - } - return; - } - if (tty_pgrp > 0) { - kill_pg(tty_pgrp, SIGHUP, on_exit); - if (!on_exit) - kill_pg(tty_pgrp, SIGCONT, on_exit); - } - - current->tty_old_pgrp = 0; - tty->session = 0; - tty->pgrp = -1; - - read_lock(&tasklist_lock); - for_each_task(p) - if (p->session == current->session) - p->tty = NULL; - read_unlock(&tasklist_lock); -} - -void wait_for_keypress(void) -{ - struct console *c = console_drivers; - if (c) c->wait_key(c); -} - -void stop_tty(struct tty_struct *tty) -{ - if (tty->stopped) - return; - tty->stopped = 1; - if (tty->link && tty->link->packet) { - tty->ctrl_status &= ~TIOCPKT_START; - tty->ctrl_status |= TIOCPKT_STOP; - wake_up_interruptible(&tty->link->read_wait); - } - if (tty->driver.stop) - (tty->driver.stop)(tty); -} - -void start_tty(struct tty_struct *tty) -{ - if (!tty->stopped || tty->flow_stopped) - return; - tty->stopped = 0; - if (tty->link && tty->link->packet) { - tty->ctrl_status &= ~TIOCPKT_STOP; - tty->ctrl_status |= TIOCPKT_START; - wake_up_interruptible(&tty->link->read_wait); - } - if (tty->driver.start) - (tty->driver.start)(tty); - if ((test_bit(TTY_DO_WRITE_WAKEUP, &tty->flags)) && - tty->ldisc.write_wakeup) - (tty->ldisc.write_wakeup)(tty); - wake_up_interruptible(&tty->write_wait); -} - -static ssize_t tty_read(struct file * file, char * buf, size_t count, - loff_t *ppos) -{ - int i; - struct tty_struct * tty; - struct inode *inode; - - /* Can't seek (pread) on ttys. */ - if (ppos != &file->f_pos) - return -ESPIPE; - - tty = (struct tty_struct *)file->private_data; - inode = file->f_dentry->d_inode; - if (tty_paranoia_check(tty, inode->i_rdev, "tty_read")) - return -EIO; - if (!tty || (test_bit(TTY_IO_ERROR, &tty->flags))) - return -EIO; - - /* This check not only needs to be done before reading, but also - whenever read_chan() gets woken up after sleeping, so I've - moved it to there. This should only be done for the N_TTY - line discipline, anyway. Same goes for write_chan(). -- jlc. */ -#if 0 - if ((inode->i_rdev != CONSOLE_DEV) && /* don't stop on /dev/console */ - (tty->pgrp > 0) && - (current->tty == tty) && - (tty->pgrp != current->pgrp)) - if (is_ignored(SIGTTIN) || is_orphaned_pgrp(current->pgrp)) - return -EIO; - else { - (void) kill_pg(current->pgrp, SIGTTIN, 1); - return -ERESTARTSYS; - } -#endif - lock_kernel(); - if (tty->ldisc.read) - i = (tty->ldisc.read)(tty,file,buf,count); - else - i = -EIO; - unlock_kernel(); - if (i > 0) - inode->i_atime = CURRENT_TIME; - return i; -} - -/* - * Split writes up in sane blocksizes to avoid - * denial-of-service type attacks - */ -static inline ssize_t do_tty_write( - ssize_t (*write)(struct tty_struct *, struct file *, const unsigned char *, size_t), - struct tty_struct *tty, - struct file *file, - const unsigned char *buf, - size_t count) -{ - ssize_t ret = 0, written = 0; - - if (down_interruptible(&tty->atomic_write)) { - return -ERESTARTSYS; - } - if ( test_bit(TTY_NO_WRITE_SPLIT, &tty->flags) ) { - lock_kernel(); - written = write(tty, file, buf, count); - unlock_kernel(); - } else { - for (;;) { - unsigned long size = MAX(PAGE_SIZE*2,16384); - if (size > count) - size = count; - lock_kernel(); - ret = write(tty, file, buf, size); - unlock_kernel(); - if (ret <= 0) - break; - written += ret; - buf += ret; - count -= ret; - if (!count) - break; - ret = -ERESTARTSYS; - if (signal_pending(current)) - break; - if (current->need_resched) - schedule(); - } - } - if (written) { - file->f_dentry->d_inode->i_mtime = CURRENT_TIME; - ret = written; - } - up(&tty->atomic_write); - return ret; -} - - -static ssize_t tty_write(struct file * file, const char * buf, size_t count, - loff_t *ppos) -{ - int is_console; - struct tty_struct * tty; - struct inode *inode; - - /* Can't seek (pwrite) on ttys. */ - if (ppos != &file->f_pos) - return -ESPIPE; - - /* - * For now, we redirect writes from /dev/console as - * well as /dev/tty0. - */ - inode = file->f_dentry->d_inode; - is_console = (inode->i_rdev == SYSCONS_DEV || - inode->i_rdev == CONSOLE_DEV); - - if (is_console && redirect) - tty = redirect; - else - tty = (struct tty_struct *)file->private_data; - if (tty_paranoia_check(tty, inode->i_rdev, "tty_write")) - return -EIO; - if (!tty || !tty->driver.write || (test_bit(TTY_IO_ERROR, &tty->flags))) - return -EIO; -#if 0 - if (!is_console && L_TOSTOP(tty) && (tty->pgrp > 0) && - (current->tty == tty) && (tty->pgrp != current->pgrp)) { - if (is_orphaned_pgrp(current->pgrp)) - return -EIO; - if (!is_ignored(SIGTTOU)) { - (void) kill_pg(current->pgrp, SIGTTOU, 1); - return -ERESTARTSYS; - } - } -#endif - if (!tty->ldisc.write) - return -EIO; - return do_tty_write(tty->ldisc.write, tty, file, - (const unsigned char *)buf, count); -} - -/* Semaphore to protect creating and releasing a tty */ -static DECLARE_MUTEX(tty_sem); - -static void down_tty_sem(int index) -{ - down(&tty_sem); -} - -static void up_tty_sem(int index) -{ - up(&tty_sem); -} - -static void release_mem(struct tty_struct *tty, int idx); - -/* - * WSH 06/09/97: Rewritten to remove races and properly clean up after a - * failed open. The new code protects the open with a semaphore, so it's - * really quite straightforward. The semaphore locking can probably be - * relaxed for the (most common) case of reopening a tty. - */ -static int init_dev(kdev_t device, struct tty_struct **ret_tty) -{ - struct tty_struct *tty, *o_tty; - struct termios *tp, **tp_loc, *o_tp, **o_tp_loc; - struct termios *ltp, **ltp_loc, *o_ltp, **o_ltp_loc; - struct tty_driver *driver; - int retval=0; - int idx; - - driver = get_tty_driver(device); - if (!driver) - return -ENODEV; - - idx = MINOR(device) - driver->minor_start; - - /* - * Check whether we need to acquire the tty semaphore to avoid - * race conditions. For now, play it safe. - */ - down_tty_sem(idx); - - /* check whether we're reopening an existing tty */ - tty = driver->table[idx]; - if (tty) goto fast_track; - - /* - * First time open is complex, especially for PTY devices. - * This code guarantees that either everything succeeds and the - * TTY is ready for operation, or else the table slots are vacated - * and the allocated memory released. (Except that the termios - * and locked termios may be retained.) - */ - - o_tty = NULL; - tp = o_tp = NULL; - ltp = o_ltp = NULL; - - tty = alloc_tty_struct(); - if(!tty) - goto fail_no_mem; - initialize_tty_struct(tty); - tty->device = device; - tty->driver = *driver; - - tp_loc = &driver->termios[idx]; - if (!*tp_loc) { - tp = (struct termios *) kmalloc(sizeof(struct termios), - GFP_KERNEL); - if (!tp) - goto free_mem_out; - *tp = driver->init_termios; - } - - ltp_loc = &driver->termios_locked[idx]; - if (!*ltp_loc) { - ltp = (struct termios *) kmalloc(sizeof(struct termios), - GFP_KERNEL); - if (!ltp) - goto free_mem_out; - memset(ltp, 0, sizeof(struct termios)); - } - - if (driver->type == TTY_DRIVER_TYPE_PTY) { - o_tty = alloc_tty_struct(); - if (!o_tty) - goto free_mem_out; - initialize_tty_struct(o_tty); - o_tty->device = (kdev_t) MKDEV(driver->other->major, - driver->other->minor_start + idx); - o_tty->driver = *driver->other; - - o_tp_loc = &driver->other->termios[idx]; - if (!*o_tp_loc) { - o_tp = (struct termios *) - kmalloc(sizeof(struct termios), GFP_KERNEL); - if (!o_tp) - goto free_mem_out; - *o_tp = driver->other->init_termios; - } - - o_ltp_loc = &driver->other->termios_locked[idx]; - if (!*o_ltp_loc) { - o_ltp = (struct termios *) - kmalloc(sizeof(struct termios), GFP_KERNEL); - if (!o_ltp) - goto free_mem_out; - memset(o_ltp, 0, sizeof(struct termios)); - } - - /* - * Everything allocated ... set up the o_tty structure. - */ - driver->other->table[idx] = o_tty; - if (!*o_tp_loc) - *o_tp_loc = o_tp; - if (!*o_ltp_loc) - *o_ltp_loc = o_ltp; - o_tty->termios = *o_tp_loc; - o_tty->termios_locked = *o_ltp_loc; - (*driver->other->refcount)++; - if (driver->subtype == PTY_TYPE_MASTER) - o_tty->count++; - - /* Establish the links in both directions */ - tty->link = o_tty; - o_tty->link = tty; - } - - /* - * All structures have been allocated, so now we install them. - * Failures after this point use release_mem to clean up, so - * there's no need to null out the local pointers. - */ - driver->table[idx] = tty; - - if (!*tp_loc) - *tp_loc = tp; - if (!*ltp_loc) - *ltp_loc = ltp; - tty->termios = *tp_loc; - tty->termios_locked = *ltp_loc; - (*driver->refcount)++; - tty->count++; - - /* - * Structures all installed ... call the ldisc open routines. - * If we fail here just call release_mem to clean up. No need - * to decrement the use counts, as release_mem doesn't care. - */ - if (tty->ldisc.open) { - retval = (tty->ldisc.open)(tty); - if (retval) - goto release_mem_out; - } - if (o_tty && o_tty->ldisc.open) { - retval = (o_tty->ldisc.open)(o_tty); - if (retval) { - if (tty->ldisc.close) - (tty->ldisc.close)(tty); - goto release_mem_out; - } - } - goto success; - - /* - * This fast open can be used if the tty is already open. - * No memory is allocated, and the only failures are from - * attempting to open a closing tty or attempting multiple - * opens on a pty master. - */ -fast_track: - if (test_bit(TTY_CLOSING, &tty->flags)) { - retval = -EIO; - goto end_init; - } - if (driver->type == TTY_DRIVER_TYPE_PTY && - driver->subtype == PTY_TYPE_MASTER) { - /* - * special case for PTY masters: only one open permitted, - * and the slave side open count is incremented as well. - */ - if (tty->count) { - retval = -EIO; - goto end_init; - } - tty->link->count++; - } - tty->count++; - tty->driver = *driver; /* N.B. why do this every time?? */ - -success: - *ret_tty = tty; - - /* All paths come through here to release the semaphore */ -end_init: - up_tty_sem(idx); - return retval; - - /* Release locally allocated memory ... nothing placed in slots */ -free_mem_out: - if (o_tp) - kfree(o_tp); - if (o_tty) - free_tty_struct(o_tty); - if (ltp) - kfree(ltp); - if (tp) - kfree(tp); - free_tty_struct(tty); - -fail_no_mem: - retval = -ENOMEM; - goto end_init; - - /* call the tty release_mem routine to clean out this slot */ -release_mem_out: - printk(KERN_INFO "init_dev: ldisc open failed, " - "clearing slot %d\n", idx); - release_mem(tty, idx); - goto end_init; -} - -/* - * Releases memory associated with a tty structure, and clears out the - * driver table slots. - */ -static void release_mem(struct tty_struct *tty, int idx) -{ - struct tty_struct *o_tty; - struct termios *tp; - - if ((o_tty = tty->link) != NULL) { - o_tty->driver.table[idx] = NULL; - if (o_tty->driver.flags & TTY_DRIVER_RESET_TERMIOS) { - tp = o_tty->driver.termios[idx]; - o_tty->driver.termios[idx] = NULL; - kfree(tp); - } - o_tty->magic = 0; - (*o_tty->driver.refcount)--; - list_del(&o_tty->tty_files); - free_tty_struct(o_tty); - } - - tty->driver.table[idx] = NULL; - if (tty->driver.flags & TTY_DRIVER_RESET_TERMIOS) { - tp = tty->driver.termios[idx]; - tty->driver.termios[idx] = NULL; - kfree(tp); - } - tty->magic = 0; - (*tty->driver.refcount)--; - list_del(&tty->tty_files); - free_tty_struct(tty); -} - -/* - * Even releasing the tty structures is a tricky business.. We have - * to be very careful that the structures are all released at the - * same time, as interrupts might otherwise get the wrong pointers. - * - * WSH 09/09/97: rewritten to avoid some nasty race conditions that could - * lead to double frees or releasing memory still in use. - */ -static void release_dev(struct file * filp) -{ - struct tty_struct *tty, *o_tty; - int pty_master, tty_closing, o_tty_closing, do_sleep; - int idx; - char buf[64]; - - tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_dentry->d_inode->i_rdev, "release_dev")) - return; - - check_tty_count(tty, "release_dev"); - - tty_fasync(-1, filp, 0); - - idx = MINOR(tty->device) - tty->driver.minor_start; - pty_master = (tty->driver.type == TTY_DRIVER_TYPE_PTY && - tty->driver.subtype == PTY_TYPE_MASTER); - o_tty = tty->link; - -#ifdef TTY_PARANOIA_CHECK - if (idx < 0 || idx >= tty->driver.num) { - printk(KERN_DEBUG "release_dev: bad idx when trying to " - "free (%s)\n", kdevname(tty->device)); - return; - } - if (tty != tty->driver.table[idx]) { - printk(KERN_DEBUG "release_dev: driver.table[%d] not tty " - "for (%s)\n", idx, kdevname(tty->device)); - return; - } - if (tty->termios != tty->driver.termios[idx]) { - printk(KERN_DEBUG "release_dev: driver.termios[%d] not termios " - "for (%s)\n", - idx, kdevname(tty->device)); - return; - } - if (tty->termios_locked != tty->driver.termios_locked[idx]) { - printk(KERN_DEBUG "release_dev: driver.termios_locked[%d] not " - "termios_locked for (%s)\n", - idx, kdevname(tty->device)); - return; - } -#endif - -#ifdef TTY_DEBUG_HANGUP - printk(KERN_DEBUG "release_dev of %s (tty count=%d)...", - tty_name(tty, buf), tty->count); -#endif - -#ifdef TTY_PARANOIA_CHECK - if (tty->driver.other) { - if (o_tty != tty->driver.other->table[idx]) { - printk(KERN_DEBUG "release_dev: other->table[%d] " - "not o_tty for (%s)\n", - idx, kdevname(tty->device)); - return; - } - if (o_tty->termios != tty->driver.other->termios[idx]) { - printk(KERN_DEBUG "release_dev: other->termios[%d] " - "not o_termios for (%s)\n", - idx, kdevname(tty->device)); - return; - } - if (o_tty->termios_locked != - tty->driver.other->termios_locked[idx]) { - printk(KERN_DEBUG "release_dev: other->termios_locked[" - "%d] not o_termios_locked for (%s)\n", - idx, kdevname(tty->device)); - return; - } - if (o_tty->link != tty) { - printk(KERN_DEBUG "release_dev: bad pty pointers\n"); - return; - } - } -#endif - - if (tty->driver.close) - tty->driver.close(tty, filp); - - /* - * Sanity check: if tty->count is going to zero, there shouldn't be - * any waiters on tty->read_wait or tty->write_wait. We test the - * wait queues and kick everyone out _before_ actually starting to - * close. This ensures that we won't block while releasing the tty - * structure. - * - * The test for the o_tty closing is necessary, since the master and - * slave sides may close in any order. If the slave side closes out - * first, its count will be one, since the master side holds an open. - * Thus this test wouldn't be triggered at the time the slave closes, - * so we do it now. - * - * Note that it's possible for the tty to be opened again while we're - * flushing out waiters. By recalculating the closing flags before - * each iteration we avoid any problems. - */ - while (1) { - tty_closing = tty->count <= 1; - o_tty_closing = o_tty && - (o_tty->count <= (pty_master ? 1 : 0)); - do_sleep = 0; - - if (tty_closing) { - if (waitqueue_active(&tty->read_wait)) { - wake_up(&tty->read_wait); - do_sleep++; - } - if (waitqueue_active(&tty->write_wait)) { - wake_up(&tty->write_wait); - do_sleep++; - } - } - if (o_tty_closing) { - if (waitqueue_active(&o_tty->read_wait)) { - wake_up(&o_tty->read_wait); - do_sleep++; - } - if (waitqueue_active(&o_tty->write_wait)) { - wake_up(&o_tty->write_wait); - do_sleep++; - } - } - if (!do_sleep) - break; - - printk(KERN_WARNING "release_dev: %s: read/write wait queue " - "active!\n", tty_name(tty, buf)); - schedule(); - } - - /* - * The closing flags are now consistent with the open counts on - * both sides, and we've completed the last operation that could - * block, so it's safe to proceed with closing. - */ - if (pty_master) { - if (--o_tty->count < 0) { - printk(KERN_WARNING "release_dev: bad pty slave count " - "(%d) for %s\n", - o_tty->count, tty_name(o_tty, buf)); - o_tty->count = 0; - } - } - if (--tty->count < 0) { - printk(KERN_WARNING "release_dev: bad tty->count (%d) for %s\n", - tty->count, tty_name(tty, buf)); - tty->count = 0; - } - - /* - * We've decremented tty->count, so we should zero out - * filp->private_data, to break the link between the tty and - * the file descriptor. Otherwise if filp_close() blocks before - * the file descriptor is removed from the inuse_filp - * list, check_tty_count() could observe a discrepancy and - * printk a warning message to the user. - */ - filp->private_data = 0; - - /* - * Perform some housekeeping before deciding whether to return. - * - * Set the TTY_CLOSING flag if this was the last open. In the - * case of a pty we may have to wait around for the other side - * to close, and TTY_CLOSING makes sure we can't be reopened. - */ - if(tty_closing) - set_bit(TTY_CLOSING, &tty->flags); - if(o_tty_closing) - set_bit(TTY_CLOSING, &o_tty->flags); - - /* - * If _either_ side is closing, make sure there aren't any - * processes that still think tty or o_tty is their controlling - * tty. Also, clear redirect if it points to either tty. - */ - if (tty_closing || o_tty_closing) { - struct task_struct *p; - - read_lock(&tasklist_lock); - for_each_task(p) { - if (p->tty == tty || (o_tty && p->tty == o_tty)) - p->tty = NULL; - } - read_unlock(&tasklist_lock); - - if (redirect == tty || (o_tty && redirect == o_tty)) - redirect = NULL; - } - - /* check whether both sides are closing ... */ - if (!tty_closing || (o_tty && !o_tty_closing)) - return; - -#ifdef TTY_DEBUG_HANGUP - printk(KERN_DEBUG "freeing tty structure..."); -#endif - - /* - * Shutdown the current line discipline, and reset it to N_TTY. - * N.B. why reset ldisc when we're releasing the memory?? - */ - if (tty->ldisc.close) - (tty->ldisc.close)(tty); - tty->ldisc = ldiscs[N_TTY]; - tty->termios->c_line = N_TTY; - if (o_tty) { - if (o_tty->ldisc.close) - (o_tty->ldisc.close)(o_tty); - o_tty->ldisc = ldiscs[N_TTY]; - } - - /* - * Make sure that the tty's task queue isn't activated. - */ - run_task_queue(&tq_timer); - flush_scheduled_tasks(); - - /* - * The release_mem function takes care of the details of clearing - * the slots and preserving the termios structure. - */ - release_mem(tty, idx); -} - -/* - * tty_open and tty_release keep up the tty count that contains the - * number of opens done on a tty. We cannot use the inode-count, as - * different inodes might point to the same tty. - * - * Open-counting is needed for pty masters, as well as for keeping - * track of serial lines: DTR is dropped when the last close happens. - * (This is not done solely through tty->count, now. - Ted 1/27/92) - * - * The termios state of a pty is reset on first open so that - * settings don't persist across reuse. - */ -static int tty_open(struct inode * inode, struct file * filp) -{ - struct tty_struct *tty; - int noctty, retval; - kdev_t device; - unsigned short saved_flags; - char buf[64]; - - saved_flags = filp->f_flags; -retry_open: - noctty = filp->f_flags & O_NOCTTY; - device = inode->i_rdev; - if (device == TTY_DEV) { - if (!current->tty) - return -ENXIO; - device = current->tty->device; - filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */ - /* noctty = 1; */ - } -#ifdef CONFIG_VT - if (device == CONSOLE_DEV) { - extern int fg_console; - device = MKDEV(TTY_MAJOR, fg_console + 1); - noctty = 1; - } -#endif - if (device == SYSCONS_DEV) { - struct console *c = console_drivers; - while(c && !c->device) - c = c->next; - if (!c) - return -ENODEV; - device = c->device(c); - filp->f_flags |= O_NONBLOCK; /* Don't let /dev/console block */ - noctty = 1; - } - - if (device == PTMX_DEV) { -#ifdef CONFIG_UNIX98_PTYS - - /* find a free pty. */ - int major, minor; - struct tty_driver *driver; - - /* find a device that is not in use. */ - retval = -1; - for ( major = 0 ; major < UNIX98_NR_MAJORS ; major++ ) { - driver = &ptm_driver[major]; - for (minor = driver->minor_start ; - minor < driver->minor_start + driver->num ; - minor++) { - device = MKDEV(driver->major, minor); - if (!init_dev(device, &tty)) goto ptmx_found; /* ok! */ - } - } - return -EIO; /* no free ptys */ - ptmx_found: - set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ - minor -= driver->minor_start; - devpts_pty_new(driver->other->name_base + minor, MKDEV(driver->other->major, minor + driver->other->minor_start)); - tty_register_devfs(&pts_driver[major], DEVFS_FL_NO_PERSISTENCE, - pts_driver[major].minor_start + minor); - noctty = 1; - goto init_dev_done; - -#else /* CONFIG_UNIX_98_PTYS */ - - return -ENODEV; - -#endif /* CONFIG_UNIX_98_PTYS */ - } - - retval = init_dev(device, &tty); - if (retval) - return retval; - -#ifdef CONFIG_UNIX98_PTYS -init_dev_done: -#endif - filp->private_data = tty; - file_move(filp, &tty->tty_files); - check_tty_count(tty, "tty_open"); - if (tty->driver.type == TTY_DRIVER_TYPE_PTY && - tty->driver.subtype == PTY_TYPE_MASTER) - noctty = 1; -#ifdef TTY_DEBUG_HANGUP - printk(KERN_DEBUG "opening %s...", tty_name(tty, buf)); -#endif - if (tty->driver.open) - retval = tty->driver.open(tty, filp); - else - retval = -ENODEV; - filp->f_flags = saved_flags; - - if (!retval && test_bit(TTY_EXCLUSIVE, &tty->flags) && !suser()) - retval = -EBUSY; - - if (retval) { -#ifdef TTY_DEBUG_HANGUP - printk(KERN_DEBUG "error %d in opening %s...", retval, - tty_name(tty, buf)); -#endif - - release_dev(filp); - if (retval != -ERESTARTSYS) - return retval; - if (signal_pending(current)) - return retval; - schedule(); - /* - * Need to reset f_op in case a hangup happened. - */ - filp->f_op = &tty_fops; - goto retry_open; - } - if (!noctty && - current->leader && - !current->tty && - tty->session == 0) { - task_lock(current); - current->tty = tty; - task_unlock(current); - current->tty_old_pgrp = 0; - tty->session = current->session; - tty->pgrp = current->pgrp; - } - if ((tty->driver.type == TTY_DRIVER_TYPE_SERIAL) && - (tty->driver.subtype == SERIAL_TYPE_CALLOUT) && - (tty->count == 1)) { - static int nr_warns; - if (nr_warns < 5) { - printk(KERN_WARNING "tty_io.c: " - "process %d (%s) used obsolete /dev/%s - " - "update software to use /dev/ttyS%d\n", - current->pid, current->comm, - tty_name(tty, buf), TTY_NUMBER(tty)); - nr_warns++; - } - } - return 0; -} - -static int tty_release(struct inode * inode, struct file * filp) -{ - lock_kernel(); - release_dev(filp); - unlock_kernel(); - return 0; -} - -/* No kernel lock held - fine */ -static unsigned int tty_poll(struct file * filp, poll_table * wait) -{ - struct tty_struct * tty; - - tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_dentry->d_inode->i_rdev, "tty_poll")) - return 0; - - if (tty->ldisc.poll) - return (tty->ldisc.poll)(tty, filp, wait); - return 0; -} - -static int tty_fasync(int fd, struct file * filp, int on) -{ - struct tty_struct * tty; - int retval; - - tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_dentry->d_inode->i_rdev, "tty_fasync")) - return 0; - - retval = fasync_helper(fd, filp, on, &tty->fasync); - if (retval <= 0) - return retval; - - if (on) { - if (!waitqueue_active(&tty->read_wait)) - tty->minimum_to_wake = 1; - if (filp->f_owner.pid == 0) { - filp->f_owner.pid = (-tty->pgrp) ? : current->pid; - filp->f_owner.uid = current->uid; - filp->f_owner.euid = current->euid; - } - } else { - if (!tty->fasync && !waitqueue_active(&tty->read_wait)) - tty->minimum_to_wake = N_TTY_BUF_SIZE; - } - return 0; -} - -static int tiocsti(struct tty_struct *tty, char * arg) -{ - char ch, mbz = 0; - - if ((current->tty != tty) && !suser()) - return -EPERM; - if (get_user(ch, arg)) - return -EFAULT; - tty->ldisc.receive_buf(tty, &ch, &mbz, 1); - return 0; -} - -static int tiocgwinsz(struct tty_struct *tty, struct winsize * arg) -{ - if (copy_to_user(arg, &tty->winsize, sizeof(*arg))) - return -EFAULT; - return 0; -} - -static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty, - struct winsize * arg) -{ - struct winsize tmp_ws; - - if (copy_from_user(&tmp_ws, arg, sizeof(*arg))) - return -EFAULT; - if (!memcmp(&tmp_ws, &tty->winsize, sizeof(*arg))) - return 0; - if (tty->pgrp > 0) - kill_pg(tty->pgrp, SIGWINCH, 1); - if ((real_tty->pgrp != tty->pgrp) && (real_tty->pgrp > 0)) - kill_pg(real_tty->pgrp, SIGWINCH, 1); - tty->winsize = tmp_ws; - real_tty->winsize = tmp_ws; - return 0; -} - -static int tioccons(struct inode *inode, - struct tty_struct *tty, struct tty_struct *real_tty) -{ - if (inode->i_rdev == SYSCONS_DEV || - inode->i_rdev == CONSOLE_DEV) { - if (!suser()) - return -EPERM; - redirect = NULL; - return 0; - } - if (redirect) - return -EBUSY; - redirect = real_tty; - return 0; -} - - -static int fionbio(struct file *file, int *arg) -{ - int nonblock; - - if (get_user(nonblock, arg)) - return -EFAULT; - - if (nonblock) - file->f_flags |= O_NONBLOCK; - else - file->f_flags &= ~O_NONBLOCK; - return 0; -} - -static int tiocsctty(struct tty_struct *tty, int arg) -{ - if (current->leader && - (current->session == tty->session)) - return 0; - /* - * The process must be a session leader and - * not have a controlling tty already. - */ - if (!current->leader || current->tty) - return -EPERM; - if (tty->session > 0) { - /* - * This tty is already the controlling - * tty for another session group! - */ - if ((arg == 1) && suser()) { - /* - * Steal it away - */ - struct task_struct *p; - - read_lock(&tasklist_lock); - for_each_task(p) - if (p->tty == tty) - p->tty = NULL; - read_unlock(&tasklist_lock); - } else - return -EPERM; - } - task_lock(current); - current->tty = tty; - task_unlock(current); - current->tty_old_pgrp = 0; - tty->session = current->session; - tty->pgrp = current->pgrp; - return 0; -} - -static int tiocgpgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t *arg) -{ - /* - * (tty == real_tty) is a cheap way of - * testing if the tty is NOT a master pty. - */ - if (tty == real_tty && current->tty != real_tty) - return -ENOTTY; - return put_user(real_tty->pgrp, arg); -} - -static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t *arg) -{ - pid_t pgrp; - int retval = tty_check_change(real_tty); - - if (retval == -EIO) - return -ENOTTY; - if (retval) - return retval; - if (!current->tty || - (current->tty != real_tty) || - (real_tty->session != current->session)) - return -ENOTTY; - if (get_user(pgrp, (pid_t *) arg)) - return -EFAULT; - if (pgrp < 0) - return -EINVAL; - if (session_of_pgrp(pgrp) != current->session) - return -EPERM; - real_tty->pgrp = pgrp; - return 0; -} - -static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t *arg) -{ - /* - * (tty == real_tty) is a cheap way of - * testing if the tty is NOT a master pty. - */ - if (tty == real_tty && current->tty != real_tty) - return -ENOTTY; - if (real_tty->session <= 0) - return -ENOTTY; - return put_user(real_tty->session, arg); -} - -static int tiocttygstruct(struct tty_struct *tty, struct tty_struct *arg) -{ - if (copy_to_user(arg, tty, sizeof(*arg))) - return -EFAULT; - return 0; -} - -static int tiocsetd(struct tty_struct *tty, int *arg) -{ - int ldisc; - - if (get_user(ldisc, arg)) - return -EFAULT; - return tty_set_ldisc(tty, ldisc); -} - -static int send_break(struct tty_struct *tty, int duration) -{ - set_current_state(TASK_INTERRUPTIBLE); - - tty->driver.break_ctl(tty, -1); - if (!signal_pending(current)) - schedule_timeout(duration); - tty->driver.break_ctl(tty, 0); - if (signal_pending(current)) - return -EINTR; - return 0; -} - -/* - * Split this up, as gcc can choke on it otherwise.. - */ -int tty_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg) -{ - struct tty_struct *tty, *real_tty; - int retval; - - tty = (struct tty_struct *)file->private_data; - if (tty_paranoia_check(tty, inode->i_rdev, "tty_ioctl")) - return -EINVAL; - - real_tty = tty; - if (tty->driver.type == TTY_DRIVER_TYPE_PTY && - tty->driver.subtype == PTY_TYPE_MASTER) - real_tty = tty->link; - - /* - * Break handling by driver - */ - if (!tty->driver.break_ctl) { - switch(cmd) { - case TIOCSBRK: - case TIOCCBRK: - if (tty->driver.ioctl) - return tty->driver.ioctl(tty, file, cmd, arg); - return -EINVAL; - - /* These two ioctl's always return success; even if */ - /* the driver doesn't support them. */ - case TCSBRK: - case TCSBRKP: - if (!tty->driver.ioctl) - return 0; - retval = tty->driver.ioctl(tty, file, cmd, arg); - if (retval == -ENOIOCTLCMD) - retval = 0; - return retval; - } - } - - /* - * Factor out some common prep work - */ - switch (cmd) { - case TIOCSETD: - case TIOCSBRK: - case TIOCCBRK: - case TCSBRK: - case TCSBRKP: - retval = tty_check_change(tty); - if (retval) - return retval; - if (cmd != TIOCCBRK) { - tty_wait_until_sent(tty, 0); - if (signal_pending(current)) - return -EINTR; - } - break; - } - - switch (cmd) { - case TIOCSTI: - return tiocsti(tty, (char *)arg); - case TIOCGWINSZ: - return tiocgwinsz(tty, (struct winsize *) arg); - case TIOCSWINSZ: - return tiocswinsz(tty, real_tty, (struct winsize *) arg); - case TIOCCONS: - return tioccons(inode, tty, real_tty); - case FIONBIO: - return fionbio(file, (int *) arg); - case TIOCEXCL: - set_bit(TTY_EXCLUSIVE, &tty->flags); - return 0; - case TIOCNXCL: - clear_bit(TTY_EXCLUSIVE, &tty->flags); - return 0; - case TIOCNOTTY: - if (current->tty != tty) - return -ENOTTY; - if (current->leader) - disassociate_ctty(0); - task_lock(current); - current->tty = NULL; - task_unlock(current); - return 0; - case TIOCSCTTY: - return tiocsctty(tty, arg); - case TIOCGPGRP: - return tiocgpgrp(tty, real_tty, (pid_t *) arg); - case TIOCSPGRP: - return tiocspgrp(tty, real_tty, (pid_t *) arg); - case TIOCGSID: - return tiocgsid(tty, real_tty, (pid_t *) arg); - case TIOCGETD: - return put_user(tty->ldisc.num, (int *) arg); - case TIOCSETD: - return tiocsetd(tty, (int *) arg); -#ifdef CONFIG_VT - case TIOCLINUX: - return tioclinux(tty, arg); -#endif - case TIOCTTYGSTRUCT: - return tiocttygstruct(tty, (struct tty_struct *) arg); - - /* - * Break handling - */ - case TIOCSBRK: /* Turn break on, unconditionally */ - tty->driver.break_ctl(tty, -1); - return 0; - - case TIOCCBRK: /* Turn break off, unconditionally */ - tty->driver.break_ctl(tty, 0); - return 0; - case TCSBRK: /* SVID version: non-zero arg --> no break */ - /* - * XXX is the above comment correct, or the - * code below correct? Is this ioctl used at - * all by anyone? - */ - if (!arg) - return send_break(tty, HZ/4); - return 0; - case TCSBRKP: /* support for POSIX tcsendbreak() */ - return send_break(tty, arg ? arg*(HZ/10) : HZ/4); - } - if (tty->driver.ioctl) { - int retval = (tty->driver.ioctl)(tty, file, cmd, arg); - if (retval != -ENOIOCTLCMD) - return retval; - } - if (tty->ldisc.ioctl) { - int retval = (tty->ldisc.ioctl)(tty, file, cmd, arg); - if (retval != -ENOIOCTLCMD) - return retval; - } - return -EINVAL; -} - - -/* - * This implements the "Secure Attention Key" --- the idea is to - * prevent trojan horses by killing all processes associated with this - * tty when the user hits the "Secure Attention Key". Required for - * super-paranoid applications --- see the Orange Book for more details. - * - * This code could be nicer; ideally it should send a HUP, wait a few - * seconds, then send a INT, and then a KILL signal. But you then - * have to coordinate with the init process, since all processes associated - * with the current tty must be dead before the new getty is allowed - * to spawn. - * - * Now, if it would be correct ;-/ The current code has a nasty hole - - * it doesn't catch files in flight. We may send the descriptor to ourselves - * via AF_UNIX socket, close it and later fetch from socket. FIXME. - * - * Nasty bug: do_SAK is being called in interrupt context. This can - * deadlock. We punt it up to process context. AKPM - 16Mar2001 - */ -static void __do_SAK(void *arg) -{ -#ifdef TTY_SOFT_SAK - tty_hangup(tty); -#else - struct tty_struct *tty = arg; - struct task_struct *p; - int session; - int i; - struct file *filp; - - if (!tty) - return; - session = tty->session; - if (tty->ldisc.flush_buffer) - tty->ldisc.flush_buffer(tty); - if (tty->driver.flush_buffer) - tty->driver.flush_buffer(tty); - read_lock(&tasklist_lock); - for_each_task(p) { - if ((p->tty == tty) || - ((session > 0) && (p->session == session))) { - send_sig(SIGKILL, p, 1); - continue; - } - task_lock(p); - if (p->files) { - read_lock(&p->files->file_lock); - for (i=0; i < p->files->max_fds; i++) { - filp = fcheck_files(p->files, i); - if (filp && (filp->f_op == &tty_fops) && - (filp->private_data == tty)) { - send_sig(SIGKILL, p, 1); - break; - } - } - read_unlock(&p->files->file_lock); - } - task_unlock(p); - } - read_unlock(&tasklist_lock); -#endif -} - -/* - * The tq handling here is a little racy - tty->SAK_tq may already be queued. - * But there's no mechanism to fix that without futzing with tqueue_lock. - * Fortunately we don't need to worry, because if ->SAK_tq is already queued, - * the values which we write to it will be identical to the values which it - * already has. --akpm - */ -void do_SAK(struct tty_struct *tty) -{ - if (!tty) - return; - PREPARE_TQUEUE(&tty->SAK_tq, __do_SAK, tty); - schedule_task(&tty->SAK_tq); -} - -/* - * This routine is called out of the software interrupt to flush data - * from the flip buffer to the line discipline. - */ -static void flush_to_ldisc(void *private_) -{ - struct tty_struct *tty = (struct tty_struct *) private_; - unsigned char *cp; - char *fp; - int count; - unsigned long flags; - - if (test_bit(TTY_DONT_FLIP, &tty->flags)) { - queue_task(&tty->flip.tqueue, &tq_timer); - return; - } - if (tty->flip.buf_num) { - cp = tty->flip.char_buf + TTY_FLIPBUF_SIZE; - fp = tty->flip.flag_buf + TTY_FLIPBUF_SIZE; - tty->flip.buf_num = 0; - - save_flags(flags); cli(); - tty->flip.char_buf_ptr = tty->flip.char_buf; - tty->flip.flag_buf_ptr = tty->flip.flag_buf; - } else { - cp = tty->flip.char_buf; - fp = tty->flip.flag_buf; - tty->flip.buf_num = 1; - - save_flags(flags); cli(); - tty->flip.char_buf_ptr = tty->flip.char_buf + TTY_FLIPBUF_SIZE; - tty->flip.flag_buf_ptr = tty->flip.flag_buf + TTY_FLIPBUF_SIZE; - } - count = tty->flip.count; - tty->flip.count = 0; - restore_flags(flags); - - tty->ldisc.receive_buf(tty, cp, fp, count); -} - -/* - * Routine which returns the baud rate of the tty - * - * Note that the baud_table needs to be kept in sync with the - * include/asm/termbits.h file. - */ -static int baud_table[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, - 9600, 19200, 38400, 57600, 115200, 230400, 460800, -#ifdef __sparc__ - 76800, 153600, 307200, 614400, 921600 -#else - 500000, 576000, 921600, 1000000, 1152000, 1500000, 2000000, - 2500000, 3000000, 3500000, 4000000 -#endif -}; - -static int n_baud_table = sizeof(baud_table)/sizeof(int); - -int tty_get_baud_rate(struct tty_struct *tty) -{ - unsigned int cflag, i; - - cflag = tty->termios->c_cflag; - - i = cflag & CBAUD; - if (i & CBAUDEX) { - i &= ~CBAUDEX; - if (i < 1 || i+15 >= n_baud_table) - tty->termios->c_cflag &= ~CBAUDEX; - else - i += 15; - } - if (i==15 && tty->alt_speed) { - if (!tty->warned) { - printk(KERN_WARNING "Use of setserial/setrocket to " - "set SPD_* flags is deprecated\n"); - tty->warned = 1; - } - return(tty->alt_speed); - } - - return baud_table[i]; -} - -void tty_flip_buffer_push(struct tty_struct *tty) -{ - if (tty->low_latency) - flush_to_ldisc((void *) tty); - else - queue_task(&tty->flip.tqueue, &tq_timer); -} - -/* - * This subroutine initializes a tty structure. - */ -static void initialize_tty_struct(struct tty_struct *tty) -{ - memset(tty, 0, sizeof(struct tty_struct)); - tty->magic = TTY_MAGIC; - tty->ldisc = ldiscs[N_TTY]; - tty->pgrp = -1; - tty->flip.char_buf_ptr = tty->flip.char_buf; - tty->flip.flag_buf_ptr = tty->flip.flag_buf; - tty->flip.tqueue.routine = flush_to_ldisc; - tty->flip.tqueue.data = tty; - init_MUTEX(&tty->flip.pty_sem); - init_waitqueue_head(&tty->write_wait); - init_waitqueue_head(&tty->read_wait); - tty->tq_hangup.routine = do_tty_hangup; - tty->tq_hangup.data = tty; - sema_init(&tty->atomic_read, 1); - sema_init(&tty->atomic_write, 1); - spin_lock_init(&tty->read_lock); - INIT_LIST_HEAD(&tty->tty_files); - INIT_TQUEUE(&tty->SAK_tq, 0, 0); -} - -/* - * The default put_char routine if the driver did not define one. - */ -void tty_default_put_char(struct tty_struct *tty, unsigned char ch) -{ - tty->driver.write(tty, 0, &ch, 1); -} - -/* - * Register a tty device described by <driver>, with minor number <minor>. - */ -void tty_register_devfs (struct tty_driver *driver, unsigned int flags, unsigned minor) -{ -#ifdef CONFIG_DEVFS_FS - umode_t mode = S_IFCHR | S_IRUSR | S_IWUSR; - kdev_t device = MKDEV (driver->major, minor); - int idx = minor - driver->minor_start; - char buf[32]; - - switch (device) { - case TTY_DEV: - case PTMX_DEV: - mode |= S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH; - break; - default: - if (driver->major == PTY_MASTER_MAJOR) - mode |= S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH; - break; - } - if ( (minor < driver->minor_start) || - (minor >= driver->minor_start + driver->num) ) { - printk(KERN_ERR "Attempt to register invalid minor number " - "with devfs (%d:%d).\n", (int)driver->major,(int)minor); - return; - } -# ifdef CONFIG_UNIX98_PTYS - if ( (driver->major >= UNIX98_PTY_SLAVE_MAJOR) && - (driver->major < UNIX98_PTY_SLAVE_MAJOR + UNIX98_NR_MAJORS) ) - flags |= DEVFS_FL_CURRENT_OWNER; -# endif - sprintf(buf, driver->name, idx + driver->name_base); - devfs_register (NULL, buf, flags | DEVFS_FL_DEFAULT, - driver->major, minor, mode, &tty_fops, NULL); -#endif /* CONFIG_DEVFS_FS */ -} - -void tty_unregister_devfs (struct tty_driver *driver, unsigned minor) -{ -#ifdef CONFIG_DEVFS_FS - void * handle; - int idx = minor - driver->minor_start; - char buf[32]; - - sprintf(buf, driver->name, idx + driver->name_base); - handle = devfs_find_handle (NULL, buf, driver->major, minor, - DEVFS_SPECIAL_CHR, 0); - devfs_unregister (handle); -#endif /* CONFIG_DEVFS_FS */ -} - -EXPORT_SYMBOL(tty_register_devfs); -EXPORT_SYMBOL(tty_unregister_devfs); - -/* - * Called by a tty driver to register itself. - */ -int tty_register_driver(struct tty_driver *driver) -{ - int error; - int i; - - if (driver->flags & TTY_DRIVER_INSTALLED) - return 0; - - error = devfs_register_chrdev(driver->major, driver->name, &tty_fops); - if (error < 0) - return error; - else if(driver->major == 0) - driver->major = error; - - if (!driver->put_char) - driver->put_char = tty_default_put_char; - - driver->prev = 0; - driver->next = tty_drivers; - if (tty_drivers) tty_drivers->prev = driver; - tty_drivers = driver; - - if ( !(driver->flags & TTY_DRIVER_NO_DEVFS) ) { - for(i = 0; i < driver->num; i++) - tty_register_devfs(driver, 0, driver->minor_start + i); - } - proc_tty_register_driver(driver); - return error; -} - -/* - * Called by a tty driver to unregister itself. - */ -int tty_unregister_driver(struct tty_driver *driver) -{ - int retval; - struct tty_driver *p; - int i, found = 0; - struct termios *tp; - const char *othername = NULL; - - if (*driver->refcount) - return -EBUSY; - - for (p = tty_drivers; p; p = p->next) { - if (p == driver) - found++; - else if (p->major == driver->major) - othername = p->name; - } - - if (!found) - return -ENOENT; - - if (othername == NULL) { - retval = devfs_unregister_chrdev(driver->major, driver->name); - if (retval) - return retval; - } else - devfs_register_chrdev(driver->major, othername, &tty_fops); - - if (driver->prev) - driver->prev->next = driver->next; - else - tty_drivers = driver->next; - - if (driver->next) - driver->next->prev = driver->prev; - - /* - * Free the termios and termios_locked structures because - * we don't want to get memory leaks when modular tty - * drivers are removed from the kernel. - */ - for (i = 0; i < driver->num; i++) { - tp = driver->termios[i]; - if (tp) { - driver->termios[i] = NULL; - kfree(tp); - } - tp = driver->termios_locked[i]; - if (tp) { - driver->termios_locked[i] = NULL; - kfree(tp); - } - tty_unregister_devfs(driver, driver->minor_start + i); - } - proc_tty_unregister_driver(driver); - return 0; -} - - -/* - * Initialize the console device. This is called *early*, so - * we can't necessarily depend on lots of kernel help here. - * Just do some early initializations, and do the complex setup - * later. - */ -void __init console_init(void) -{ - /* Setup the default TTY line discipline. */ - memset(ldiscs, 0, sizeof(ldiscs)); - (void) tty_register_ldisc(N_TTY, &tty_ldisc_N_TTY); - - /* - * Set up the standard termios. Individual tty drivers may - * deviate from this; this is used as a template. - */ - memset(&tty_std_termios, 0, sizeof(struct termios)); - memcpy(tty_std_termios.c_cc, INIT_C_CC, NCCS); - tty_std_termios.c_iflag = ICRNL | IXON; - tty_std_termios.c_oflag = OPOST | ONLCR; - tty_std_termios.c_cflag = B38400 | CS8 | CREAD | HUPCL; - tty_std_termios.c_lflag = ISIG | ICANON | ECHO | ECHOE | ECHOK | - ECHOCTL | ECHOKE | IEXTEN; - - /* - * set up the console device so that later boot sequences can - * inform about problems etc.. - */ -#ifdef CONFIG_XENO - xeno_console_init(); -#endif -#ifdef CONFIG_VT - con_init(); -#endif -#ifdef CONFIG_AU1000_SERIAL_CONSOLE - au1000_serial_console_init(); -#endif -#ifdef CONFIG_SERIAL_CONSOLE -#if (defined(CONFIG_8xx) || defined(CONFIG_8260)) - console_8xx_init(); -#elif defined(CONFIG_MAC_SERIAL) - mac_scc_console_init(); -#elif defined(CONFIG_PARISC) - pdc_console_init(); -#elif defined(CONFIG_SERIAL) - serial_console_init(); -#endif /* CONFIG_8xx */ -#ifdef CONFIG_SGI_SERIAL - sgi_serial_console_init(); -#endif -#if defined(CONFIG_MVME162_SCC) || defined(CONFIG_BVME6000_SCC) || defined(CONFIG_MVME147_SCC) - vme_scc_console_init(); -#endif -#if defined(CONFIG_SERIAL167) - serial167_console_init(); -#endif -#if defined(CONFIG_SH_SCI) - sci_console_init(); -#endif -#endif -#ifdef CONFIG_TN3270_CONSOLE - tub3270_con_init(); -#endif -#ifdef CONFIG_TN3215 - con3215_init(); -#endif -#ifdef CONFIG_HWC - hwc_console_init(); -#endif -#ifdef CONFIG_STDIO_CONSOLE - stdio_console_init(); -#endif -#ifdef CONFIG_SERIAL_21285_CONSOLE - rs285_console_init(); -#endif -#ifdef CONFIG_SERIAL_SA1100_CONSOLE - sa1100_rs_console_init(); -#endif -#ifdef CONFIG_ARC_CONSOLE - arc_console_init(); -#endif -#ifdef CONFIG_SERIAL_AMBA_CONSOLE - ambauart_console_init(); -#endif -#ifdef CONFIG_SERIAL_TX3912_CONSOLE - tx3912_console_init(); -#endif -} - -static struct tty_driver dev_tty_driver, dev_syscons_driver; -#ifdef CONFIG_UNIX98_PTYS -static struct tty_driver dev_ptmx_driver; -#endif -#ifdef CONFIG_VT -static struct tty_driver dev_console_driver; -#endif - -/* - * Ok, now we can initialize the rest of the tty devices and can count - * on memory allocations, interrupts etc.. - */ -void __init tty_init(void) -{ - /* - * dev_tty_driver and dev_console_driver are actually magic - * devices which get redirected at open time. Nevertheless, - * we register them so that register_chrdev is called - * appropriately. - */ - memset(&dev_tty_driver, 0, sizeof(struct tty_driver)); - dev_tty_driver.magic = TTY_DRIVER_MAGIC; - dev_tty_driver.driver_name = "/dev/tty"; - dev_tty_driver.name = dev_tty_driver.driver_name + 5; - dev_tty_driver.name_base = 0; - dev_tty_driver.major = TTYAUX_MAJOR; - dev_tty_driver.minor_start = 0; - dev_tty_driver.num = 1; - dev_tty_driver.type = TTY_DRIVER_TYPE_SYSTEM; - dev_tty_driver.subtype = SYSTEM_TYPE_TTY; - - if (tty_register_driver(&dev_tty_driver)) - panic("Couldn't register /dev/tty driver\n"); - - dev_syscons_driver = dev_tty_driver; - dev_syscons_driver.driver_name = "/dev/console"; - dev_syscons_driver.name = dev_syscons_driver.driver_name + 5; - dev_syscons_driver.major = TTYAUX_MAJOR; - dev_syscons_driver.minor_start = 1; - dev_syscons_driver.type = TTY_DRIVER_TYPE_SYSTEM; - dev_syscons_driver.subtype = SYSTEM_TYPE_SYSCONS; - - if (tty_register_driver(&dev_syscons_driver)) - panic("Couldn't register /dev/console driver\n"); - - /* console calls tty_register_driver() before kmalloc() works. - * Thus, we can't devfs_register() then. Do so now, instead. - */ -#ifdef CONFIG_VT - con_init_devfs(); -#endif - -#ifdef CONFIG_UNIX98_PTYS - dev_ptmx_driver = dev_tty_driver; - dev_ptmx_driver.driver_name = "/dev/ptmx"; - dev_ptmx_driver.name = dev_ptmx_driver.driver_name + 5; - dev_ptmx_driver.major= MAJOR(PTMX_DEV); - dev_ptmx_driver.minor_start = MINOR(PTMX_DEV); - dev_ptmx_driver.type = TTY_DRIVER_TYPE_SYSTEM; - dev_ptmx_driver.subtype = SYSTEM_TYPE_SYSPTMX; - - if (tty_register_driver(&dev_ptmx_driver)) - panic("Couldn't register /dev/ptmx driver\n"); -#endif - -#ifdef CONFIG_VT - dev_console_driver = dev_tty_driver; - dev_console_driver.driver_name = "/dev/vc/0"; - dev_console_driver.name = dev_console_driver.driver_name + 5; - dev_console_driver.major = TTY_MAJOR; - dev_console_driver.type = TTY_DRIVER_TYPE_SYSTEM; - dev_console_driver.subtype = SYSTEM_TYPE_CONSOLE; - - if (tty_register_driver(&dev_console_driver)) - panic("Couldn't register /dev/tty0 driver\n"); - - kbd_init(); -#endif - -#ifdef CONFIG_ESPSERIAL /* init ESP before rs, so rs doesn't see the port */ - espserial_init(); -#endif -#if defined(CONFIG_MVME162_SCC) || defined(CONFIG_BVME6000_SCC) || defined(CONFIG_MVME147_SCC) - vme_scc_init(); -#endif -#ifdef CONFIG_SERIAL_TX3912 - tx3912_rs_init(); -#endif -#ifdef CONFIG_ROCKETPORT - rp_init(); -#endif -#ifdef CONFIG_SERIAL167 - serial167_init(); -#endif -#ifdef CONFIG_CYCLADES - cy_init(); -#endif -#ifdef CONFIG_STALLION - stl_init(); -#endif -#ifdef CONFIG_ISTALLION - stli_init(); -#endif -#ifdef CONFIG_DIGI - pcxe_init(); -#endif -#ifdef CONFIG_DIGIEPCA - pc_init(); -#endif -#ifdef CONFIG_SPECIALIX - specialix_init(); -#endif -#if (defined(CONFIG_8xx) || defined(CONFIG_8260)) - rs_8xx_init(); -#endif /* CONFIG_8xx */ - pty_init(); -#ifdef CONFIG_MOXA_SMARTIO - mxser_init(); -#endif -#ifdef CONFIG_MOXA_INTELLIO - moxa_init(); -#endif -#ifdef CONFIG_VT - vcs_init(); -#endif -#ifdef CONFIG_TN3270 - tub3270_init(); -#endif -#ifdef CONFIG_TN3215 - tty3215_init(); -#endif -#ifdef CONFIG_HWC - hwc_tty_init(); -#endif -#ifdef CONFIG_A2232 - a2232board_init(); -#endif -} diff --git a/old/xenolinux-2.4.16-sparse/fs/exec.c b/old/xenolinux-2.4.16-sparse/fs/exec.c deleted file mode 100644 index 700c6caa50..0000000000 --- a/old/xenolinux-2.4.16-sparse/fs/exec.c +++ /dev/null @@ -1,986 +0,0 @@ -/* - * linux/fs/exec.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * #!-checking implemented by tytso. - */ -/* - * Demand-loading implemented 01.12.91 - no need to read anything but - * the header into memory. The inode of the executable is put into - * "current->executable", and page faults do the actual loading. Clean. - * - * Once more I can proudly say that linux stood up to being changed: it - * was less than 2 hours work to get demand-loading completely implemented. - * - * Demand loading changed July 1993 by Eric Youngdale. Use mmap instead, - * current->executable is only used by the procfs. This allows a dispatch - * table to check for several different types of binary formats. We keep - * trying until we recognize the file or we run out of supported binary - * formats. - */ - -#include <linux/config.h> -#include <linux/slab.h> -#include <linux/file.h> -#include <linux/mman.h> -#include <linux/a.out.h> -#include <linux/stat.h> -#include <linux/fcntl.h> -#include <linux/smp_lock.h> -#include <linux/init.h> -#include <linux/pagemap.h> -#include <linux/highmem.h> -#include <linux/spinlock.h> -#include <linux/personality.h> -#define __NO_VERSION__ -#include <linux/module.h> - -#include <asm/uaccess.h> -#include <asm/pgalloc.h> -#include <asm/mmu_context.h> - -#ifdef CONFIG_KMOD -#include <linux/kmod.h> -#endif - -int core_uses_pid; - -static struct linux_binfmt *formats; -static rwlock_t binfmt_lock = RW_LOCK_UNLOCKED; - -int register_binfmt(struct linux_binfmt * fmt) -{ - struct linux_binfmt ** tmp = &formats; - - if (!fmt) - return -EINVAL; - if (fmt->next) - return -EBUSY; - write_lock(&binfmt_lock); - while (*tmp) { - if (fmt == *tmp) { - write_unlock(&binfmt_lock); - return -EBUSY; - } - tmp = &(*tmp)->next; - } - fmt->next = formats; - formats = fmt; - write_unlock(&binfmt_lock); - return 0; -} - -int unregister_binfmt(struct linux_binfmt * fmt) -{ - struct linux_binfmt ** tmp = &formats; - - write_lock(&binfmt_lock); - while (*tmp) { - if (fmt == *tmp) { - *tmp = fmt->next; - write_unlock(&binfmt_lock); - return 0; - } - tmp = &(*tmp)->next; - } - write_unlock(&binfmt_lock); - return -EINVAL; -} - -static inline void put_binfmt(struct linux_binfmt * fmt) -{ - if (fmt->module) - __MOD_DEC_USE_COUNT(fmt->module); -} - -/* - * Note that a shared library must be both readable and executable due to - * security reasons. - * - * Also note that we take the address to load from from the file itself. - */ -asmlinkage long sys_uselib(const char * library) -{ - struct file * file; - struct nameidata nd; - int error; - - error = user_path_walk(library, &nd); - if (error) - goto out; - - error = -EINVAL; - if (!S_ISREG(nd.dentry->d_inode->i_mode)) - goto exit; - - error = permission(nd.dentry->d_inode, MAY_READ | MAY_EXEC); - if (error) - goto exit; - - file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); - error = PTR_ERR(file); - if (IS_ERR(file)) - goto out; - - error = -ENOEXEC; - if(file->f_op && file->f_op->read) { - struct linux_binfmt * fmt; - - read_lock(&binfmt_lock); - for (fmt = formats ; fmt ; fmt = fmt->next) { - if (!fmt->load_shlib) - continue; - if (!try_inc_mod_count(fmt->module)) - continue; - read_unlock(&binfmt_lock); - error = fmt->load_shlib(file); - read_lock(&binfmt_lock); - put_binfmt(fmt); - if (error != -ENOEXEC) - break; - } - read_unlock(&binfmt_lock); - } - fput(file); -out: - return error; -exit: - path_release(&nd); - goto out; -} - -/* - * count() counts the number of arguments/envelopes - */ -static int count(char ** argv, int max) -{ - int i = 0; - - if (argv != NULL) { - for (;;) { - char * p; - - if (get_user(p, argv)) - return -EFAULT; - if (!p) - break; - argv++; - if(++i > max) - return -E2BIG; - } - } - return i; -} - -/* - * 'copy_strings()' copies argument/envelope strings from user - * memory to free pages in kernel mem. These are in a format ready - * to be put directly into the top of new user memory. - */ -int copy_strings(int argc,char ** argv, struct linux_binprm *bprm) -{ - while (argc-- > 0) { - char *str; - int len; - unsigned long pos; - - if (get_user(str, argv+argc) || !(len = strnlen_user(str, bprm->p))) - return -EFAULT; - if (bprm->p < len) - return -E2BIG; - - bprm->p -= len; - /* XXX: add architecture specific overflow check here. */ - - pos = bprm->p; - while (len > 0) { - char *kaddr; - int i, new, err; - struct page *page; - int offset, bytes_to_copy; - - offset = pos % PAGE_SIZE; - i = pos/PAGE_SIZE; - page = bprm->page[i]; - new = 0; - if (!page) { - page = alloc_page(GFP_HIGHUSER); - bprm->page[i] = page; - if (!page) - return -ENOMEM; - new = 1; - } - kaddr = kmap(page); - - if (new && offset) - memset(kaddr, 0, offset); - bytes_to_copy = PAGE_SIZE - offset; - if (bytes_to_copy > len) { - bytes_to_copy = len; - if (new) - memset(kaddr+offset+len, 0, PAGE_SIZE-offset-len); - } - err = copy_from_user(kaddr + offset, str, bytes_to_copy); - kunmap(page); - - if (err) - return -EFAULT; - - pos += bytes_to_copy; - str += bytes_to_copy; - len -= bytes_to_copy; - } - } - return 0; -} - -/* - * Like copy_strings, but get argv and its values from kernel memory. - */ -int copy_strings_kernel(int argc,char ** argv, struct linux_binprm *bprm) -{ - int r; - mm_segment_t oldfs = get_fs(); - set_fs(KERNEL_DS); - r = copy_strings(argc, argv, bprm); - set_fs(oldfs); - return r; -} - -/* - * This routine is used to map in a page into an address space: needed by - * execve() for the initial stack and environment pages. - * - * tsk->mmap_sem is held for writing. - */ -void put_dirty_page(struct task_struct * tsk, struct page *page, unsigned long address) -{ - pgd_t * pgd; - pmd_t * pmd; - pte_t * pte; - - if (page_count(page) != 1) - printk(KERN_ERR "mem_map disagrees with %p at %08lx\n", page, address); - pgd = pgd_offset(tsk->mm, address); - - spin_lock(&tsk->mm->page_table_lock); - pmd = pmd_alloc(tsk->mm, pgd, address); - if (!pmd) - goto out; - pte = pte_alloc(tsk->mm, pmd, address); - if (!pte) - goto out; - if (!pte_none(*pte)) - goto out; - lru_cache_add(page); - flush_dcache_page(page); - flush_page_to_ram(page); - set_pte(pte, pte_mkdirty(pte_mkwrite(mk_pte(page, PAGE_COPY)))); - XENO_flush_page_update_queue(); - tsk->mm->rss++; - spin_unlock(&tsk->mm->page_table_lock); - - /* no need for flush_tlb */ - return; -out: - spin_unlock(&tsk->mm->page_table_lock); - __free_page(page); - force_sig(SIGKILL, tsk); - return; -} - -int setup_arg_pages(struct linux_binprm *bprm) -{ - unsigned long stack_base; - struct vm_area_struct *mpnt; - int i; - - stack_base = STACK_TOP - MAX_ARG_PAGES*PAGE_SIZE; - - bprm->p += stack_base; - if (bprm->loader) - bprm->loader += stack_base; - bprm->exec += stack_base; - - mpnt = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL); - if (!mpnt) - return -ENOMEM; - - down_write(¤t->mm->mmap_sem); - { - mpnt->vm_mm = current->mm; - mpnt->vm_start = PAGE_MASK & (unsigned long) bprm->p; - mpnt->vm_end = STACK_TOP; - mpnt->vm_page_prot = PAGE_COPY; - mpnt->vm_flags = VM_STACK_FLAGS; - mpnt->vm_ops = NULL; - mpnt->vm_pgoff = 0; - mpnt->vm_file = NULL; - mpnt->vm_private_data = (void *) 0; - insert_vm_struct(current->mm, mpnt); - current->mm->total_vm = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT; - } - - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { - struct page *page = bprm->page[i]; - if (page) { - bprm->page[i] = NULL; - put_dirty_page(current,page,stack_base); - } - stack_base += PAGE_SIZE; - } - up_write(¤t->mm->mmap_sem); - - return 0; -} - -struct file *open_exec(const char *name) -{ - struct nameidata nd; - struct inode *inode; - struct file *file; - int err = 0; - - if (path_init(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, &nd)) - err = path_walk(name, &nd); - file = ERR_PTR(err); - if (!err) { - inode = nd.dentry->d_inode; - file = ERR_PTR(-EACCES); - if (!(nd.mnt->mnt_flags & MNT_NOEXEC) && - S_ISREG(inode->i_mode)) { - int err = permission(inode, MAY_EXEC); - if (!err && !(inode->i_mode & 0111)) - err = -EACCES; - file = ERR_PTR(err); - if (!err) { - file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); - if (!IS_ERR(file)) { - err = deny_write_access(file); - if (err) { - fput(file); - file = ERR_PTR(err); - } - } -out: - return file; - } - } - path_release(&nd); - } - goto out; -} - -int kernel_read(struct file *file, unsigned long offset, - char * addr, unsigned long count) -{ - mm_segment_t old_fs; - loff_t pos = offset; - int result = -ENOSYS; - - if (!file->f_op->read) - goto fail; - old_fs = get_fs(); - set_fs(get_ds()); - result = file->f_op->read(file, addr, count, &pos); - set_fs(old_fs); -fail: - return result; -} - -static int exec_mmap(void) -{ - struct mm_struct * mm, * old_mm; - - old_mm = current->mm; - if (old_mm && atomic_read(&old_mm->mm_users) == 1) { - mm_release(); - exit_mmap(old_mm); - return 0; - } - - mm = mm_alloc(); - if (mm) { - struct mm_struct *active_mm; - - if (init_new_context(current, mm)) { - mmdrop(mm); - return -ENOMEM; - } - - /* Add it to the list of mm's */ - spin_lock(&mmlist_lock); - list_add(&mm->mmlist, &init_mm.mmlist); - mmlist_nr++; - spin_unlock(&mmlist_lock); - - task_lock(current); - active_mm = current->active_mm; - current->mm = mm; - current->active_mm = mm; - task_unlock(current); - activate_mm(active_mm, mm); - mm_release(); - if (old_mm) { - if (active_mm != old_mm) BUG(); - mmput(old_mm); - return 0; - } - mmdrop(active_mm); - return 0; - } - return -ENOMEM; -} - -/* - * This function makes sure the current process has its own signal table, - * so that flush_signal_handlers can later reset the handlers without - * disturbing other processes. (Other processes might share the signal - * table via the CLONE_SIGNAL option to clone().) - */ - -static inline int make_private_signals(void) -{ - struct signal_struct * newsig; - - if (atomic_read(¤t->sig->count) <= 1) - return 0; - newsig = kmem_cache_alloc(sigact_cachep, GFP_KERNEL); - if (newsig == NULL) - return -ENOMEM; - spin_lock_init(&newsig->siglock); - atomic_set(&newsig->count, 1); - memcpy(newsig->action, current->sig->action, sizeof(newsig->action)); - spin_lock_irq(¤t->sigmask_lock); - current->sig = newsig; - spin_unlock_irq(¤t->sigmask_lock); - return 0; -} - -/* - * If make_private_signals() made a copy of the signal table, decrement the - * refcount of the original table, and free it if necessary. - * We don't do that in make_private_signals() so that we can back off - * in flush_old_exec() if an error occurs after calling make_private_signals(). - */ - -static inline void release_old_signals(struct signal_struct * oldsig) -{ - if (current->sig == oldsig) - return; - if (atomic_dec_and_test(&oldsig->count)) - kmem_cache_free(sigact_cachep, oldsig); -} - -/* - * These functions flushes out all traces of the currently running executable - * so that a new one can be started - */ - -static inline void flush_old_files(struct files_struct * files) -{ - long j = -1; - - write_lock(&files->file_lock); - for (;;) { - unsigned long set, i; - - j++; - i = j * __NFDBITS; - if (i >= files->max_fds || i >= files->max_fdset) - break; - set = files->close_on_exec->fds_bits[j]; - if (!set) - continue; - files->close_on_exec->fds_bits[j] = 0; - write_unlock(&files->file_lock); - for ( ; set ; i++,set >>= 1) { - if (set & 1) { - sys_close(i); - } - } - write_lock(&files->file_lock); - - } - write_unlock(&files->file_lock); -} - -/* - * An execve() will automatically "de-thread" the process. - * Note: we don't have to hold the tasklist_lock to test - * whether we migth need to do this. If we're not part of - * a thread group, there is no way we can become one - * dynamically. And if we are, we only need to protect the - * unlink - even if we race with the last other thread exit, - * at worst the list_del_init() might end up being a no-op. - */ -static inline void de_thread(struct task_struct *tsk) -{ - if (!list_empty(&tsk->thread_group)) { - write_lock_irq(&tasklist_lock); - list_del_init(&tsk->thread_group); - write_unlock_irq(&tasklist_lock); - } - - /* Minor oddity: this might stay the same. */ - tsk->tgid = tsk->pid; -} - -int flush_old_exec(struct linux_binprm * bprm) -{ - char * name; - int i, ch, retval; - struct signal_struct * oldsig; - - /* - * Make sure we have a private signal table - */ - oldsig = current->sig; - retval = make_private_signals(); - if (retval) goto flush_failed; - - /* - * Release all of the old mmap stuff - */ - retval = exec_mmap(); - if (retval) goto mmap_failed; - - /* This is the point of no return */ - release_old_signals(oldsig); - - current->sas_ss_sp = current->sas_ss_size = 0; - - if (current->euid == current->uid && current->egid == current->gid) - current->mm->dumpable = 1; - name = bprm->filename; - for (i=0; (ch = *(name++)) != '\0';) { - if (ch == '/') - i = 0; - else - if (i < 15) - current->comm[i++] = ch; - } - current->comm[i] = '\0'; - - flush_thread(); - - de_thread(current); - - if (bprm->e_uid != current->euid || bprm->e_gid != current->egid || - permission(bprm->file->f_dentry->d_inode,MAY_READ)) - current->mm->dumpable = 0; - - /* An exec changes our domain. We are no longer part of the thread - group */ - - current->self_exec_id++; - - flush_signal_handlers(current); - flush_old_files(current->files); - - return 0; - -mmap_failed: -flush_failed: - spin_lock_irq(¤t->sigmask_lock); - if (current->sig != oldsig) { - kfree(current->sig); - current->sig = oldsig; - } - spin_unlock_irq(¤t->sigmask_lock); - return retval; -} - -/* - * We mustn't allow tracing of suid binaries, unless - * the tracer has the capability to trace anything.. - */ -static inline int must_not_trace_exec(struct task_struct * p) -{ - return (p->ptrace & PT_PTRACED) && !(p->ptrace & PT_PTRACE_CAP); -} - -/* - * Fill the binprm structure from the inode. - * Check permissions, then read the first 128 (BINPRM_BUF_SIZE) bytes - */ -int prepare_binprm(struct linux_binprm *bprm) -{ - int mode; - struct inode * inode = bprm->file->f_dentry->d_inode; - - mode = inode->i_mode; - /* - * Check execute perms again - if the caller has CAP_DAC_OVERRIDE, - * vfs_permission lets a non-executable through - */ - if (!(mode & 0111)) /* with at least _one_ execute bit set */ - return -EACCES; - if (bprm->file->f_op == NULL) - return -EACCES; - - bprm->e_uid = current->euid; - bprm->e_gid = current->egid; - - if(!(bprm->file->f_vfsmnt->mnt_flags & MNT_NOSUID)) { - /* Set-uid? */ - if (mode & S_ISUID) - bprm->e_uid = inode->i_uid; - - /* Set-gid? */ - /* - * If setgid is set but no group execute bit then this - * is a candidate for mandatory locking, not a setgid - * executable. - */ - if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) - bprm->e_gid = inode->i_gid; - } - - /* We don't have VFS support for capabilities yet */ - cap_clear(bprm->cap_inheritable); - cap_clear(bprm->cap_permitted); - cap_clear(bprm->cap_effective); - - /* To support inheritance of root-permissions and suid-root - * executables under compatibility mode, we raise all three - * capability sets for the file. - * - * If only the real uid is 0, we only raise the inheritable - * and permitted sets of the executable file. - */ - - if (!issecure(SECURE_NOROOT)) { - if (bprm->e_uid == 0 || current->uid == 0) { - cap_set_full(bprm->cap_inheritable); - cap_set_full(bprm->cap_permitted); - } - if (bprm->e_uid == 0) - cap_set_full(bprm->cap_effective); - } - - memset(bprm->buf,0,BINPRM_BUF_SIZE); - return kernel_read(bprm->file,0,bprm->buf,BINPRM_BUF_SIZE); -} - -/* - * This function is used to produce the new IDs and capabilities - * from the old ones and the file's capabilities. - * - * The formula used for evolving capabilities is: - * - * pI' = pI - * (***) pP' = (fP & X) | (fI & pI) - * pE' = pP' & fE [NB. fE is 0 or ~0] - * - * I=Inheritable, P=Permitted, E=Effective // p=process, f=file - * ' indicates post-exec(), and X is the global 'cap_bset'. - * - */ - -void compute_creds(struct linux_binprm *bprm) -{ - kernel_cap_t new_permitted, working; - int do_unlock = 0; - - new_permitted = cap_intersect(bprm->cap_permitted, cap_bset); - working = cap_intersect(bprm->cap_inheritable, - current->cap_inheritable); - new_permitted = cap_combine(new_permitted, working); - - if (bprm->e_uid != current->uid || bprm->e_gid != current->gid || - !cap_issubset(new_permitted, current->cap_permitted)) { - current->mm->dumpable = 0; - - lock_kernel(); - if (must_not_trace_exec(current) - || atomic_read(¤t->fs->count) > 1 - || atomic_read(¤t->files->count) > 1 - || atomic_read(¤t->sig->count) > 1) { - if(!capable(CAP_SETUID)) { - bprm->e_uid = current->uid; - bprm->e_gid = current->gid; - } - if(!capable(CAP_SETPCAP)) { - new_permitted = cap_intersect(new_permitted, - current->cap_permitted); - } - } - do_unlock = 1; - } - - - /* For init, we want to retain the capabilities set - * in the init_task struct. Thus we skip the usual - * capability rules */ - if (current->pid != 1) { - current->cap_permitted = new_permitted; - current->cap_effective = - cap_intersect(new_permitted, bprm->cap_effective); - } - - /* AUD: Audit candidate if current->cap_effective is set */ - - current->suid = current->euid = current->fsuid = bprm->e_uid; - current->sgid = current->egid = current->fsgid = bprm->e_gid; - - if(do_unlock) - unlock_kernel(); - current->keep_capabilities = 0; -} - - -void remove_arg_zero(struct linux_binprm *bprm) -{ - if (bprm->argc) { - unsigned long offset; - char * kaddr; - struct page *page; - - offset = bprm->p % PAGE_SIZE; - goto inside; - - while (bprm->p++, *(kaddr+offset++)) { - if (offset != PAGE_SIZE) - continue; - offset = 0; - kunmap(page); -inside: - page = bprm->page[bprm->p/PAGE_SIZE]; - kaddr = kmap(page); - } - kunmap(page); - bprm->argc--; - } -} - -/* - * cycle the list of binary formats handler, until one recognizes the image - */ -int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) -{ - int try,retval=0; - struct linux_binfmt *fmt; -#ifdef __alpha__ - /* handle /sbin/loader.. */ - { - struct exec * eh = (struct exec *) bprm->buf; - - if (!bprm->loader && eh->fh.f_magic == 0x183 && - (eh->fh.f_flags & 0x3000) == 0x3000) - { - struct file * file; - unsigned long loader; - - allow_write_access(bprm->file); - fput(bprm->file); - bprm->file = NULL; - - loader = PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *); - - file = open_exec("/sbin/loader"); - retval = PTR_ERR(file); - if (IS_ERR(file)) - return retval; - - /* Remember if the application is TASO. */ - bprm->sh_bang = eh->ah.entry < 0x100000000; - - bprm->file = file; - bprm->loader = loader; - retval = prepare_binprm(bprm); - if (retval<0) - return retval; - /* should call search_binary_handler recursively here, - but it does not matter */ - } - } -#endif - /* kernel module loader fixup */ - /* so we don't try to load run modprobe in kernel space. */ - set_fs(USER_DS); - for (try=0; try<2; try++) { - read_lock(&binfmt_lock); - for (fmt = formats ; fmt ; fmt = fmt->next) { - int (*fn)(struct linux_binprm *, struct pt_regs *) = fmt->load_binary; - if (!fn) - continue; - if (!try_inc_mod_count(fmt->module)) - continue; - read_unlock(&binfmt_lock); - retval = fn(bprm, regs); - if (retval >= 0) { - put_binfmt(fmt); - allow_write_access(bprm->file); - if (bprm->file) - fput(bprm->file); - bprm->file = NULL; - current->did_exec = 1; - return retval; - } - read_lock(&binfmt_lock); - put_binfmt(fmt); - if (retval != -ENOEXEC) - break; - if (!bprm->file) { - read_unlock(&binfmt_lock); - return retval; - } - } - read_unlock(&binfmt_lock); - if (retval != -ENOEXEC) { - break; -#ifdef CONFIG_KMOD - }else{ -#define printable(c) (((c)=='\t') || ((c)=='\n') || (0x20<=(c) && (c)<=0x7e)) - char modname[20]; - if (printable(bprm->buf[0]) && - printable(bprm->buf[1]) && - printable(bprm->buf[2]) && - printable(bprm->buf[3])) - break; /* -ENOEXEC */ - sprintf(modname, "binfmt-%04x", *(unsigned short *)(&bprm->buf[2])); - request_module(modname); -#endif - } - } - return retval; -} - - -/* - * sys_execve() executes a new program. - */ -int do_execve(char * filename, char ** argv, char ** envp, struct pt_regs * regs) -{ - struct linux_binprm bprm; - struct file *file; - int retval; - int i; - - file = open_exec(filename); - - retval = PTR_ERR(file); - if (IS_ERR(file)) - return retval; - - bprm.p = PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *); - memset(bprm.page, 0, MAX_ARG_PAGES*sizeof(bprm.page[0])); - - bprm.file = file; - bprm.filename = filename; - bprm.sh_bang = 0; - bprm.loader = 0; - bprm.exec = 0; - if ((bprm.argc = count(argv, bprm.p / sizeof(void *))) < 0) { - allow_write_access(file); - fput(file); - return bprm.argc; - } - - if ((bprm.envc = count(envp, bprm.p / sizeof(void *))) < 0) { - allow_write_access(file); - fput(file); - return bprm.envc; - } - - retval = prepare_binprm(&bprm); - if (retval < 0) - goto out; - - retval = copy_strings_kernel(1, &bprm.filename, &bprm); - if (retval < 0) - goto out; - - bprm.exec = bprm.p; - retval = copy_strings(bprm.envc, envp, &bprm); - if (retval < 0) - goto out; - - retval = copy_strings(bprm.argc, argv, &bprm); - if (retval < 0) - goto out; - - retval = search_binary_handler(&bprm,regs); - if (retval >= 0) - /* execve success */ - return retval; - -out: - /* Something went wrong, return the inode and free the argument pages*/ - allow_write_access(bprm.file); - if (bprm.file) - fput(bprm.file); - - for (i = 0 ; i < MAX_ARG_PAGES ; i++) { - struct page * page = bprm.page[i]; - if (page) - __free_page(page); - } - - return retval; -} - -void set_binfmt(struct linux_binfmt *new) -{ - struct linux_binfmt *old = current->binfmt; - if (new && new->module) - __MOD_INC_USE_COUNT(new->module); - current->binfmt = new; - if (old && old->module) - __MOD_DEC_USE_COUNT(old->module); -} - -int do_coredump(long signr, struct pt_regs * regs) -{ - struct linux_binfmt * binfmt; - char corename[6+sizeof(current->comm)+10]; - struct file * file; - struct inode * inode; - int retval = 0; - - lock_kernel(); - binfmt = current->binfmt; - if (!binfmt || !binfmt->core_dump) - goto fail; - if (!current->mm->dumpable) - goto fail; - current->mm->dumpable = 0; - if (current->rlim[RLIMIT_CORE].rlim_cur < binfmt->min_coredump) - goto fail; - - memcpy(corename,"core.", 5); - corename[4] = '\0'; - if (core_uses_pid || atomic_read(¤t->mm->mm_users) != 1) - sprintf(&corename[4], ".%d", current->pid); - file = filp_open(corename, O_CREAT | 2 | O_NOFOLLOW, 0600); - if (IS_ERR(file)) - goto fail; - inode = file->f_dentry->d_inode; - if (inode->i_nlink > 1) - goto close_fail; /* multiple links - don't dump */ - if (d_unhashed(file->f_dentry)) - goto close_fail; - - if (!S_ISREG(inode->i_mode)) - goto close_fail; - if (!file->f_op) - goto close_fail; - if (!file->f_op->write) - goto close_fail; - if (do_truncate(file->f_dentry, 0) != 0) - goto close_fail; - - down_read(¤t->mm->mmap_sem); - retval = binfmt->core_dump(signr, regs, file); - up_read(¤t->mm->mmap_sem); - -close_fail: - filp_close(file, NULL); -fail: - unlock_kernel(); - return retval; -} diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/a.out.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/a.out.h deleted file mode 100644 index ab17bb8e54..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/a.out.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef __I386_A_OUT_H__ -#define __I386_A_OUT_H__ - -struct exec -{ - unsigned long a_info; /* Use macros N_MAGIC, etc for access */ - unsigned a_text; /* length of text, in bytes */ - unsigned a_data; /* length of data, in bytes */ - unsigned a_bss; /* length of uninitialized data area for file, in bytes */ - unsigned a_syms; /* length of symbol table data in file, in bytes */ - unsigned a_entry; /* start address */ - unsigned a_trsize; /* length of relocation info for text, in bytes */ - unsigned a_drsize; /* length of relocation info for data, in bytes */ -}; - -#define N_TRSIZE(a) ((a).a_trsize) -#define N_DRSIZE(a) ((a).a_drsize) -#define N_SYMSIZE(a) ((a).a_syms) - -#ifdef __KERNEL__ - -#define STACK_TOP TASK_SIZE - -#endif - -#endif /* __A_OUT_GNU_H__ */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/apic.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/apic.h deleted file mode 100644 index 5f682e955a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/apic.h +++ /dev/null @@ -1,97 +0,0 @@ -#ifndef __ASM_APIC_H -#define __ASM_APIC_H - -#include <linux/config.h> -#include <linux/pm.h> -#include <asm/apicdef.h> -#include <asm/system.h> - -#ifdef CONFIG_X86_LOCAL_APIC - -#define APIC_DEBUG 0 - -#if APIC_DEBUG -#define Dprintk(x...) printk(x) -#else -#define Dprintk(x...) -#endif - -/* - * Basic functions accessing APICs. - */ - -static __inline void apic_write(unsigned long reg, unsigned long v) -{ - *((volatile unsigned long *)(APIC_BASE+reg)) = v; -} - -static __inline void apic_write_atomic(unsigned long reg, unsigned long v) -{ - xchg((volatile unsigned long *)(APIC_BASE+reg), v); -} - -static __inline unsigned long apic_read(unsigned long reg) -{ - return *((volatile unsigned long *)(APIC_BASE+reg)); -} - -static __inline__ void apic_wait_icr_idle(void) -{ - do { } while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY ); -} - -#ifdef CONFIG_X86_GOOD_APIC -# define FORCE_READ_AROUND_WRITE 0 -# define apic_read_around(x) -# define apic_write_around(x,y) apic_write((x),(y)) -#else -# define FORCE_READ_AROUND_WRITE 1 -# define apic_read_around(x) apic_read(x) -# define apic_write_around(x,y) apic_write_atomic((x),(y)) -#endif - -static inline void ack_APIC_irq(void) -{ - /* - * ack_APIC_irq() actually gets compiled as a single instruction: - * - a single rmw on Pentium/82489DX - * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC) - * ... yummie. - */ - - /* Docs say use 0 for future compatibility */ - apic_write_around(APIC_EOI, 0); -} - -extern int get_maxlvt(void); -extern void clear_local_APIC(void); -extern void connect_bsp_APIC (void); -extern void disconnect_bsp_APIC (void); -extern void disable_local_APIC (void); -extern int verify_local_APIC (void); -extern void cache_APIC_registers (void); -extern void sync_Arb_IDs (void); -extern void init_bsp_APIC (void); -extern void setup_local_APIC (void); -extern void init_apic_mappings (void); -extern void smp_local_timer_interrupt (struct pt_regs * regs); -extern void setup_APIC_clocks (void); -extern void setup_apic_nmi_watchdog (void); -extern inline void nmi_watchdog_tick (struct pt_regs * regs); -extern int APIC_init_uniprocessor (void); - -extern struct pm_dev *apic_pm_register(pm_dev_t, unsigned long, pm_callback); -extern void apic_pm_unregister(struct pm_dev*); - -extern unsigned int apic_timer_irqs [NR_CPUS]; -extern int check_nmi_watchdog (void); - -extern unsigned int nmi_watchdog; -#define NMI_NONE 0 -#define NMI_IO_APIC 1 -#define NMI_LOCAL_APIC 2 -#define NMI_INVALID 3 - -#endif /* CONFIG_X86_LOCAL_APIC */ - -#endif /* __ASM_APIC_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/apicdef.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/apicdef.h deleted file mode 100644 index f855a7d88d..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/apicdef.h +++ /dev/null @@ -1,363 +0,0 @@ -#ifndef __ASM_APICDEF_H -#define __ASM_APICDEF_H - -/* - * Constants for various Intel APICs. (local APIC, IOAPIC, etc.) - * - * Alan Cox <Alan.Cox@linux.org>, 1995. - * Ingo Molnar <mingo@redhat.com>, 1999, 2000 - */ - -#define APIC_DEFAULT_PHYS_BASE 0xfee00000 - -#define APIC_ID 0x20 -#define APIC_ID_MASK (0x0F<<24) -#define GET_APIC_ID(x) (((x)>>24)&0x0F) -#define APIC_LVR 0x30 -#define APIC_LVR_MASK 0xFF00FF -#define GET_APIC_VERSION(x) ((x)&0xFF) -#define GET_APIC_MAXLVT(x) (((x)>>16)&0xFF) -#define APIC_INTEGRATED(x) ((x)&0xF0) -#define APIC_TASKPRI 0x80 -#define APIC_TPRI_MASK 0xFF -#define APIC_ARBPRI 0x90 -#define APIC_ARBPRI_MASK 0xFF -#define APIC_PROCPRI 0xA0 -#define APIC_EOI 0xB0 -#define APIC_EIO_ACK 0x0 /* Write this to the EOI register */ -#define APIC_RRR 0xC0 -#define APIC_LDR 0xD0 -#define APIC_LDR_MASK (0xFF<<24) -#define GET_APIC_LOGICAL_ID(x) (((x)>>24)&0xFF) -#define SET_APIC_LOGICAL_ID(x) (((x)<<24)) -#define APIC_ALL_CPUS 0xFF -#define APIC_DFR 0xE0 -#define APIC_SPIV 0xF0 -#define APIC_SPIV_FOCUS_DISABLED (1<<9) -#define APIC_SPIV_APIC_ENABLED (1<<8) -#define APIC_ISR 0x100 -#define APIC_TMR 0x180 -#define APIC_IRR 0x200 -#define APIC_ESR 0x280 -#define APIC_ESR_SEND_CS 0x00001 -#define APIC_ESR_RECV_CS 0x00002 -#define APIC_ESR_SEND_ACC 0x00004 -#define APIC_ESR_RECV_ACC 0x00008 -#define APIC_ESR_SENDILL 0x00020 -#define APIC_ESR_RECVILL 0x00040 -#define APIC_ESR_ILLREGA 0x00080 -#define APIC_ICR 0x300 -#define APIC_DEST_SELF 0x40000 -#define APIC_DEST_ALLINC 0x80000 -#define APIC_DEST_ALLBUT 0xC0000 -#define APIC_ICR_RR_MASK 0x30000 -#define APIC_ICR_RR_INVALID 0x00000 -#define APIC_ICR_RR_INPROG 0x10000 -#define APIC_ICR_RR_VALID 0x20000 -#define APIC_INT_LEVELTRIG 0x08000 -#define APIC_INT_ASSERT 0x04000 -#define APIC_ICR_BUSY 0x01000 -#define APIC_DEST_LOGICAL 0x00800 -#define APIC_DM_FIXED 0x00000 -#define APIC_DM_LOWEST 0x00100 -#define APIC_DM_SMI 0x00200 -#define APIC_DM_REMRD 0x00300 -#define APIC_DM_NMI 0x00400 -#define APIC_DM_INIT 0x00500 -#define APIC_DM_STARTUP 0x00600 -#define APIC_DM_EXTINT 0x00700 -#define APIC_VECTOR_MASK 0x000FF -#define APIC_ICR2 0x310 -#define GET_APIC_DEST_FIELD(x) (((x)>>24)&0xFF) -#define SET_APIC_DEST_FIELD(x) ((x)<<24) -#define APIC_LVTT 0x320 -#define APIC_LVTPC 0x340 -#define APIC_LVT0 0x350 -#define APIC_LVT_TIMER_BASE_MASK (0x3<<18) -#define GET_APIC_TIMER_BASE(x) (((x)>>18)&0x3) -#define SET_APIC_TIMER_BASE(x) (((x)<<18)) -#define APIC_TIMER_BASE_CLKIN 0x0 -#define APIC_TIMER_BASE_TMBASE 0x1 -#define APIC_TIMER_BASE_DIV 0x2 -#define APIC_LVT_TIMER_PERIODIC (1<<17) -#define APIC_LVT_MASKED (1<<16) -#define APIC_LVT_LEVEL_TRIGGER (1<<15) -#define APIC_LVT_REMOTE_IRR (1<<14) -#define APIC_INPUT_POLARITY (1<<13) -#define APIC_SEND_PENDING (1<<12) -#define GET_APIC_DELIVERY_MODE(x) (((x)>>8)&0x7) -#define SET_APIC_DELIVERY_MODE(x,y) (((x)&~0x700)|((y)<<8)) -#define APIC_MODE_FIXED 0x0 -#define APIC_MODE_NMI 0x4 -#define APIC_MODE_EXINT 0x7 -#define APIC_LVT1 0x360 -#define APIC_LVTERR 0x370 -#define APIC_TMICT 0x380 -#define APIC_TMCCT 0x390 -#define APIC_TDCR 0x3E0 -#define APIC_TDR_DIV_TMBASE (1<<2) -#define APIC_TDR_DIV_1 0xB -#define APIC_TDR_DIV_2 0x0 -#define APIC_TDR_DIV_4 0x1 -#define APIC_TDR_DIV_8 0x2 -#define APIC_TDR_DIV_16 0x3 -#define APIC_TDR_DIV_32 0x8 -#define APIC_TDR_DIV_64 0x9 -#define APIC_TDR_DIV_128 0xA - -#define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) - -#define MAX_IO_APICS 8 - -/* - * the local APIC register structure, memory mapped. Not terribly well - * tested, but we might eventually use this one in the future - the - * problem why we cannot use it right now is the P5 APIC, it has an - * errata which cannot take 8-bit reads and writes, only 32-bit ones ... - */ -#define u32 unsigned int - -#define lapic ((volatile struct local_apic *)APIC_BASE) - -struct local_apic { - -/*000*/ struct { u32 __reserved[4]; } __reserved_01; - -/*010*/ struct { u32 __reserved[4]; } __reserved_02; - -/*020*/ struct { /* APIC ID Register */ - u32 __reserved_1 : 24, - phys_apic_id : 4, - __reserved_2 : 4; - u32 __reserved[3]; - } id; - -/*030*/ const - struct { /* APIC Version Register */ - u32 version : 8, - __reserved_1 : 8, - max_lvt : 8, - __reserved_2 : 8; - u32 __reserved[3]; - } version; - -/*040*/ struct { u32 __reserved[4]; } __reserved_03; - -/*050*/ struct { u32 __reserved[4]; } __reserved_04; - -/*060*/ struct { u32 __reserved[4]; } __reserved_05; - -/*070*/ struct { u32 __reserved[4]; } __reserved_06; - -/*080*/ struct { /* Task Priority Register */ - u32 priority : 8, - __reserved_1 : 24; - u32 __reserved_2[3]; - } tpr; - -/*090*/ const - struct { /* Arbitration Priority Register */ - u32 priority : 8, - __reserved_1 : 24; - u32 __reserved_2[3]; - } apr; - -/*0A0*/ const - struct { /* Processor Priority Register */ - u32 priority : 8, - __reserved_1 : 24; - u32 __reserved_2[3]; - } ppr; - -/*0B0*/ struct { /* End Of Interrupt Register */ - u32 eoi; - u32 __reserved[3]; - } eoi; - -/*0C0*/ struct { u32 __reserved[4]; } __reserved_07; - -/*0D0*/ struct { /* Logical Destination Register */ - u32 __reserved_1 : 24, - logical_dest : 8; - u32 __reserved_2[3]; - } ldr; - -/*0E0*/ struct { /* Destination Format Register */ - u32 __reserved_1 : 28, - model : 4; - u32 __reserved_2[3]; - } dfr; - -/*0F0*/ struct { /* Spurious Interrupt Vector Register */ - u32 spurious_vector : 8, - apic_enabled : 1, - focus_cpu : 1, - __reserved_2 : 22; - u32 __reserved_3[3]; - } svr; - -/*100*/ struct { /* In Service Register */ -/*170*/ u32 bitfield; - u32 __reserved[3]; - } isr [8]; - -/*180*/ struct { /* Trigger Mode Register */ -/*1F0*/ u32 bitfield; - u32 __reserved[3]; - } tmr [8]; - -/*200*/ struct { /* Interrupt Request Register */ -/*270*/ u32 bitfield; - u32 __reserved[3]; - } irr [8]; - -/*280*/ union { /* Error Status Register */ - struct { - u32 send_cs_error : 1, - receive_cs_error : 1, - send_accept_error : 1, - receive_accept_error : 1, - __reserved_1 : 1, - send_illegal_vector : 1, - receive_illegal_vector : 1, - illegal_register_address : 1, - __reserved_2 : 24; - u32 __reserved_3[3]; - } error_bits; - struct { - u32 errors; - u32 __reserved_3[3]; - } all_errors; - } esr; - -/*290*/ struct { u32 __reserved[4]; } __reserved_08; - -/*2A0*/ struct { u32 __reserved[4]; } __reserved_09; - -/*2B0*/ struct { u32 __reserved[4]; } __reserved_10; - -/*2C0*/ struct { u32 __reserved[4]; } __reserved_11; - -/*2D0*/ struct { u32 __reserved[4]; } __reserved_12; - -/*2E0*/ struct { u32 __reserved[4]; } __reserved_13; - -/*2F0*/ struct { u32 __reserved[4]; } __reserved_14; - -/*300*/ struct { /* Interrupt Command Register 1 */ - u32 vector : 8, - delivery_mode : 3, - destination_mode : 1, - delivery_status : 1, - __reserved_1 : 1, - level : 1, - trigger : 1, - __reserved_2 : 2, - shorthand : 2, - __reserved_3 : 12; - u32 __reserved_4[3]; - } icr1; - -/*310*/ struct { /* Interrupt Command Register 2 */ - union { - u32 __reserved_1 : 24, - phys_dest : 4, - __reserved_2 : 4; - u32 __reserved_3 : 24, - logical_dest : 8; - } dest; - u32 __reserved_4[3]; - } icr2; - -/*320*/ struct { /* LVT - Timer */ - u32 vector : 8, - __reserved_1 : 4, - delivery_status : 1, - __reserved_2 : 3, - mask : 1, - timer_mode : 1, - __reserved_3 : 14; - u32 __reserved_4[3]; - } lvt_timer; - -/*330*/ struct { u32 __reserved[4]; } __reserved_15; - -/*340*/ struct { /* LVT - Performance Counter */ - u32 vector : 8, - delivery_mode : 3, - __reserved_1 : 1, - delivery_status : 1, - __reserved_2 : 3, - mask : 1, - __reserved_3 : 15; - u32 __reserved_4[3]; - } lvt_pc; - -/*350*/ struct { /* LVT - LINT0 */ - u32 vector : 8, - delivery_mode : 3, - __reserved_1 : 1, - delivery_status : 1, - polarity : 1, - remote_irr : 1, - trigger : 1, - mask : 1, - __reserved_2 : 15; - u32 __reserved_3[3]; - } lvt_lint0; - -/*360*/ struct { /* LVT - LINT1 */ - u32 vector : 8, - delivery_mode : 3, - __reserved_1 : 1, - delivery_status : 1, - polarity : 1, - remote_irr : 1, - trigger : 1, - mask : 1, - __reserved_2 : 15; - u32 __reserved_3[3]; - } lvt_lint1; - -/*370*/ struct { /* LVT - Error */ - u32 vector : 8, - __reserved_1 : 4, - delivery_status : 1, - __reserved_2 : 3, - mask : 1, - __reserved_3 : 15; - u32 __reserved_4[3]; - } lvt_error; - -/*380*/ struct { /* Timer Initial Count Register */ - u32 initial_count; - u32 __reserved_2[3]; - } timer_icr; - -/*390*/ const - struct { /* Timer Current Count Register */ - u32 curr_count; - u32 __reserved_2[3]; - } timer_ccr; - -/*3A0*/ struct { u32 __reserved[4]; } __reserved_16; - -/*3B0*/ struct { u32 __reserved[4]; } __reserved_17; - -/*3C0*/ struct { u32 __reserved[4]; } __reserved_18; - -/*3D0*/ struct { u32 __reserved[4]; } __reserved_19; - -/*3E0*/ struct { /* Timer Divide Configuration Register */ - u32 divisor : 4, - __reserved_1 : 28; - u32 __reserved_2[3]; - } timer_dcr; - -/*3F0*/ struct { u32 __reserved[4]; } __reserved_20; - -} __attribute__ ((packed)); - -#undef u32 - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/atomic.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/atomic.h deleted file mode 100644 index b356b37394..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/atomic.h +++ /dev/null @@ -1,204 +0,0 @@ -#ifndef __ARCH_I386_ATOMIC__ -#define __ARCH_I386_ATOMIC__ - -#include <linux/config.h> - -/* - * Atomic operations that C can't guarantee us. Useful for - * resource counting etc.. - */ - -#ifdef CONFIG_SMP -#define LOCK "lock ; " -#else -#define LOCK "" -#endif - -/* - * Make sure gcc doesn't try to be clever and move things around - * on us. We need to use _exactly_ the address the user gave us, - * not some alias that contains the same information. - */ -typedef struct { volatile int counter; } atomic_t; - -#define ATOMIC_INIT(i) { (i) } - -/** - * atomic_read - read atomic variable - * @v: pointer of type atomic_t - * - * Atomically reads the value of @v. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -#define atomic_read(v) ((v)->counter) - -/** - * atomic_set - set atomic variable - * @v: pointer of type atomic_t - * @i: required value - * - * Atomically sets the value of @v to @i. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -#define atomic_set(v,i) (((v)->counter) = (i)) - -/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v. Note that the guaranteed useful range - * of an atomic_t is only 24 bits. - */ -static __inline__ void atomic_add(int i, atomic_t *v) -{ - __asm__ __volatile__( - LOCK "addl %1,%0" - :"=m" (v->counter) - :"ir" (i), "m" (v->counter)); -} - -/** - * atomic_sub - subtract the atomic variable - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ void atomic_sub(int i, atomic_t *v) -{ - __asm__ __volatile__( - LOCK "subl %1,%0" - :"=m" (v->counter) - :"ir" (i), "m" (v->counter)); -} - -/** - * atomic_sub_and_test - subtract value from variable and test result - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v and returns - * true if the result is zero, or false for all - * other cases. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ int atomic_sub_and_test(int i, atomic_t *v) -{ - unsigned char c; - - __asm__ __volatile__( - LOCK "subl %2,%0; sete %1" - :"=m" (v->counter), "=qm" (c) - :"ir" (i), "m" (v->counter) : "memory"); - return c; -} - -/** - * atomic_inc - increment atomic variable - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ void atomic_inc(atomic_t *v) -{ - __asm__ __volatile__( - LOCK "incl %0" - :"=m" (v->counter) - :"m" (v->counter)); -} - -/** - * atomic_dec - decrement atomic variable - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ void atomic_dec(atomic_t *v) -{ - __asm__ __volatile__( - LOCK "decl %0" - :"=m" (v->counter) - :"m" (v->counter)); -} - -/** - * atomic_dec_and_test - decrement and test - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1 and - * returns true if the result is 0, or false for all other - * cases. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ int atomic_dec_and_test(atomic_t *v) -{ - unsigned char c; - - __asm__ __volatile__( - LOCK "decl %0; sete %1" - :"=m" (v->counter), "=qm" (c) - :"m" (v->counter) : "memory"); - return c != 0; -} - -/** - * atomic_inc_and_test - increment and test - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ int atomic_inc_and_test(atomic_t *v) -{ - unsigned char c; - - __asm__ __volatile__( - LOCK "incl %0; sete %1" - :"=m" (v->counter), "=qm" (c) - :"m" (v->counter) : "memory"); - return c != 0; -} - -/** - * atomic_add_negative - add and test if negative - * @v: pointer of type atomic_t - * @i: integer value to add - * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. Note that the guaranteed - * useful range of an atomic_t is only 24 bits. - */ -static __inline__ int atomic_add_negative(int i, atomic_t *v) -{ - unsigned char c; - - __asm__ __volatile__( - LOCK "addl %2,%0; sets %1" - :"=m" (v->counter), "=qm" (c) - :"ir" (i), "m" (v->counter) : "memory"); - return c; -} - -/* These are x86-specific, used by some header files */ -#define atomic_clear_mask(mask, addr) \ -__asm__ __volatile__(LOCK "andl %0,%1" \ -: : "r" (~(mask)),"m" (*addr) : "memory") - -#define atomic_set_mask(mask, addr) \ -__asm__ __volatile__(LOCK "orl %0,%1" \ -: : "r" (mask),"m" (*addr) : "memory") - -/* Atomic operations are already serializing on x86 */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/bitops.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/bitops.h deleted file mode 100644 index a3063cacc9..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/bitops.h +++ /dev/null @@ -1,384 +0,0 @@ -#ifndef _I386_BITOPS_H -#define _I386_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - */ - -#include <linux/config.h> - -/* - * These have to be done with inline assembly: that way the bit-setting - * is guaranteed to be atomic. All bit operations return 0 if the bit - * was cleared before the operation and != 0 if it was not. - * - * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). - */ - -#ifdef CONFIG_SMP -#define LOCK_PREFIX "lock ; " -#else -#define LOCK_PREFIX "" -#endif - -#define ADDR (*(volatile long *) addr) - -/** - * set_bit - Atomically set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * This function is atomic and may not be reordered. See __set_bit() - * if you do not require the atomic guarantees. - * Note that @nr may be almost arbitrarily large; this function is not - * restricted to acting on a single-word quantity. - */ -static __inline__ void set_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( LOCK_PREFIX - "btsl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * __set_bit - Set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike set_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static __inline__ void __set_bit(int nr, volatile void * addr) -{ - __asm__( - "btsl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * clear_bit - Clears a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - * - * clear_bit() is atomic and may not be reordered. However, it does - * not contain a memory barrier, so if it is used for locking purposes, - * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() - * in order to ensure changes are visible on other processors. - */ -static __inline__ void clear_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( LOCK_PREFIX - "btrl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - -/** - * __change_bit - Toggle a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike change_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( - "btcl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * change_bit - Toggle a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - * - * change_bit() is atomic and may not be reordered. - * Note that @nr may be almost arbitrarily large; this function is not - * restricted to acting on a single-word quantity. - */ -static __inline__ void change_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( LOCK_PREFIX - "btcl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static __inline__ int test_and_set_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -/** - * __test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__( - "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr)); - return oldbit; -} - -/** - * test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static __inline__ int test_and_clear_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -/** - * __test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__( - "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr)); - return oldbit; -} - -/* WARNING: non atomic and it can be reordered! */ -static __inline__ int __test_and_change_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( - "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -/** - * test_and_change_bit - Change a bit and return its new value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static __inline__ int test_and_change_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -#if 0 /* Fool kernel-doc since it doesn't do macros yet */ -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static int test_bit(int nr, const volatile void * addr); -#endif - -static __inline__ int constant_test_bit(int nr, const volatile void * addr) -{ - return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0; -} - -static __inline__ int variable_test_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( - "btl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit) - :"m" (ADDR),"Ir" (nr)); - return oldbit; -} - -#define test_bit(nr,addr) \ -(__builtin_constant_p(nr) ? \ - constant_test_bit((nr),(addr)) : \ - variable_test_bit((nr),(addr))) - -/** - * find_first_zero_bit - find the first zero bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first zero bit, not the number of the byte - * containing a bit. - */ -static __inline__ int find_first_zero_bit(void * addr, unsigned size) -{ - int d0, d1, d2; - int res; - - if (!size) - return 0; - /* This looks at memory. Mark it volatile to tell gcc not to move it around */ - __asm__ __volatile__( - "movl $-1,%%eax\n\t" - "xorl %%edx,%%edx\n\t" - "repe; scasl\n\t" - "je 1f\n\t" - "xorl -4(%%edi),%%eax\n\t" - "subl $4,%%edi\n\t" - "bsfl %%eax,%%edx\n" - "1:\tsubl %%ebx,%%edi\n\t" - "shll $3,%%edi\n\t" - "addl %%edi,%%edx" - :"=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2) - :"1" ((size + 31) >> 5), "2" (addr), "b" (addr)); - return res; -} - -/** - * find_next_zero_bit - find the first zero bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static __inline__ int find_next_zero_bit (void * addr, int size, int offset) -{ - unsigned long * p = ((unsigned long *) addr) + (offset >> 5); - int set = 0, bit = offset & 31, res; - - if (bit) { - /* - * Look for zero in first byte - */ - __asm__("bsfl %1,%0\n\t" - "jne 1f\n\t" - "movl $32, %0\n" - "1:" - : "=r" (set) - : "r" (~(*p >> bit))); - if (set < (32 - bit)) - return set + offset; - set = 32 - bit; - p++; - } - /* - * No zero yet, search remaining full bytes for a zero - */ - res = find_first_zero_bit (p, size - 32 * (p - (unsigned long *) addr)); - return (offset + set + res); -} - -/** - * ffz - find first zero in word. - * @word: The word to search - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ -static __inline__ unsigned long ffz(unsigned long word) -{ - __asm__("bsfl %1,%0" - :"=r" (word) - :"r" (~word)); - return word; -} - -#ifdef __KERNEL__ - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static __inline__ int ffs(int x) -{ - int r; - - __asm__("bsfl %1,%0\n\t" - "jnz 1f\n\t" - "movl $-1,%0\n" - "1:" : "=r" (r) : "g" (x)); - return r+1; -} - -/** - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#endif /* __KERNEL__ */ - -#ifdef __KERNEL__ - -#define ext2_set_bit __test_and_set_bit -#define ext2_clear_bit __test_and_clear_bit -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) __set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) - -#endif /* __KERNEL__ */ - -#endif /* _I386_BITOPS_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/boot.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/boot.h deleted file mode 100644 index 96b228e6e7..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/boot.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef _LINUX_BOOT_H -#define _LINUX_BOOT_H - -/* Don't touch these, unless you really know what you're doing. */ -#define DEF_INITSEG 0x9000 -#define DEF_SYSSEG 0x1000 -#define DEF_SETUPSEG 0x9020 -#define DEF_SYSSIZE 0x7F00 - -/* Internal svga startup constants */ -#define NORMAL_VGA 0xffff /* 80x25 mode */ -#define EXTENDED_VGA 0xfffe /* 80x50 mode */ -#define ASK_VGA 0xfffd /* ask for it at bootup */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/bugs.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/bugs.h deleted file mode 100644 index 07fee92a17..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/bugs.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * include/asm-i386/bugs.h - * - * Copyright (C) 1994 Linus Torvalds - * - * Cyrix stuff, June 1998 by: - * - Rafael R. Reilova (moved everything from head.S), - * <rreilova@ececs.uc.edu> - * - Channing Corn (tests & fixes), - * - Andrew D. Balsa (code cleanup). - * - * Pentium III FXSR, SSE support - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -/* - * This is included by init/main.c to check for architecture-dependent bugs. - * - * Needs: - * void check_bugs(void); - */ - -#include <linux/config.h> -#include <asm/processor.h> -#include <asm/i387.h> -#include <asm/msr.h> - - -static void __init check_fpu(void) -{ - boot_cpu_data.fdiv_bug = 0; -} - -static void __init check_hlt(void) -{ - boot_cpu_data.hlt_works_ok = 1; -} - -static void __init check_bugs(void) -{ - identify_cpu(&boot_cpu_data); -#ifndef CONFIG_SMP - printk("CPU: "); - print_cpu_info(&boot_cpu_data); -#endif - check_fpu(); - check_hlt(); - system_utsname.machine[1] = '0' + - (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86); -} diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/byteorder.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/byteorder.h deleted file mode 100644 index bbfb629fae..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/byteorder.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _I386_BYTEORDER_H -#define _I386_BYTEORDER_H - -#include <asm/types.h> - -#ifdef __GNUC__ - -/* For avoiding bswap on i386 */ -#ifdef __KERNEL__ -#include <linux/config.h> -#endif - -static __inline__ __const__ __u32 ___arch__swab32(__u32 x) -{ -#ifdef CONFIG_X86_BSWAP - __asm__("bswap %0" : "=r" (x) : "0" (x)); -#else - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (x) - : "0" (x)); -#endif - return x; -} - -static __inline__ __const__ __u16 ___arch__swab16(__u16 x) -{ - __asm__("xchgb %b0,%h0" /* swap bytes */ \ - : "=q" (x) \ - : "0" (x)); \ - return x; -} - -#define __arch__swab32(x) ___arch__swab32(x) -#define __arch__swab16(x) ___arch__swab16(x) - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#endif /* __GNUC__ */ - -#include <linux/byteorder/little_endian.h> - -#endif /* _I386_BYTEORDER_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/cache.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/cache.h deleted file mode 100644 index 615911e5bd..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/cache.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * include/asm-i386/cache.h - */ -#ifndef __ARCH_I386_CACHE_H -#define __ARCH_I386_CACHE_H - -#include <linux/config.h> - -/* L1 cache line size */ -#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/checksum.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/checksum.h deleted file mode 100644 index 0de58abeeb..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/checksum.h +++ /dev/null @@ -1,197 +0,0 @@ -#ifndef _I386_CHECKSUM_H -#define _I386_CHECKSUM_H - - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -asmlinkage unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum); - -/* - * the same as csum_partial, but copies from src while it - * checksums, and handles user-space pointer exceptions correctly, when needed. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ - -asmlinkage unsigned int csum_partial_copy_generic( const char *src, char *dst, int len, int sum, - int *src_err_ptr, int *dst_err_ptr); - -/* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. - * - * If you use these functions directly please don't forget the - * verify_area(). - */ -static __inline__ -unsigned int csum_partial_copy_nocheck ( const char *src, char *dst, - int len, int sum) -{ - return csum_partial_copy_generic ( src, dst, len, sum, NULL, NULL); -} - -static __inline__ -unsigned int csum_partial_copy_from_user ( const char *src, char *dst, - int len, int sum, int *err_ptr) -{ - return csum_partial_copy_generic ( src, dst, len, sum, err_ptr, NULL); -} - -/* - * These are the old (and unsafe) way of doing checksums, a warning message will be - * printed if they are used and an exeption occurs. - * - * these functions should go away after some time. - */ - -#define csum_partial_copy_fromuser csum_partial_copy -unsigned int csum_partial_copy( const char *src, char *dst, int len, int sum); - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - * By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by - * Arnt Gulbrandsen. - */ -static inline unsigned short ip_fast_csum(unsigned char * iph, - unsigned int ihl) { - unsigned int sum; - - __asm__ __volatile__(" - movl (%1), %0 - subl $4, %2 - jbe 2f - addl 4(%1), %0 - adcl 8(%1), %0 - adcl 12(%1), %0 -1: adcl 16(%1), %0 - lea 4(%1), %1 - decl %2 - jne 1b - adcl $0, %0 - movl %0, %2 - shrl $16, %0 - addw %w2, %w0 - adcl $0, %0 - notl %0 -2: - " - /* Since the input registers which are loaded with iph and ipl - are modified, we must also specify them as outputs, or gcc - will assume they contain their original values. */ - : "=r" (sum), "=r" (iph), "=r" (ihl) - : "1" (iph), "2" (ihl)); - return(sum); -} - -/* - * Fold a partial checksum - */ - -static inline unsigned int csum_fold(unsigned int sum) -{ - __asm__(" - addl %1, %0 - adcl $0xffff, %0 - " - : "=r" (sum) - : "r" (sum << 16), "0" (sum & 0xffff0000) - ); - return (~sum) >> 16; -} - -static inline unsigned long csum_tcpudp_nofold(unsigned long saddr, - unsigned long daddr, - unsigned short len, - unsigned short proto, - unsigned int sum) -{ - __asm__(" - addl %1, %0 - adcl %2, %0 - adcl %3, %0 - adcl $0, %0 - " - : "=r" (sum) - : "g" (daddr), "g"(saddr), "g"((ntohs(len)<<16)+proto*256), "0"(sum)); - return sum; -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -static inline unsigned short int csum_tcpudp_magic(unsigned long saddr, - unsigned long daddr, - unsigned short len, - unsigned short proto, - unsigned int sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ - -static inline unsigned short ip_compute_csum(unsigned char * buff, int len) { - return csum_fold (csum_partial(buff, len, 0)); -} - -#define _HAVE_ARCH_IPV6_CSUM -static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr, - struct in6_addr *daddr, - __u32 len, - unsigned short proto, - unsigned int sum) -{ - __asm__(" - addl 0(%1), %0 - adcl 4(%1), %0 - adcl 8(%1), %0 - adcl 12(%1), %0 - adcl 0(%2), %0 - adcl 4(%2), %0 - adcl 8(%2), %0 - adcl 12(%2), %0 - adcl %3, %0 - adcl %4, %0 - adcl $0, %0 - " - : "=&r" (sum) - : "r" (saddr), "r" (daddr), - "r"(htonl(len)), "r"(htonl(proto)), "0"(sum)); - - return csum_fold(sum); -} - -/* - * Copy and checksum to user - */ -#define HAVE_CSUM_COPY_USER -static __inline__ unsigned int csum_and_copy_to_user (const char *src, char *dst, - int len, int sum, int *err_ptr) -{ - if (access_ok(VERIFY_WRITE, dst, len)) - return csum_partial_copy_generic(src, dst, len, sum, NULL, err_ptr); - - if (len) - *err_ptr = -EFAULT; - - return -1; /* invalid checksum */ -} - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/cpufeature.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/cpufeature.h deleted file mode 100644 index 598edbdafe..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/cpufeature.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * cpufeature.h - * - * Defines x86 CPU feature bits - */ - -#ifndef __ASM_I386_CPUFEATURE_H -#define __ASM_I386_CPUFEATURE_H - -/* Sample usage: CPU_FEATURE_P(cpu.x86_capability, FPU) */ -#define CPU_FEATURE_P(CAP, FEATURE) test_bit(CAP, X86_FEATURE_##FEATURE ##_BIT) - -#define NCAPINTS 4 /* Currently we have 4 32-bit words worth of info */ - -/* Intel-defined CPU features, CPUID level 0x00000001, word 0 */ -#define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */ -#define X86_FEATURE_VME (0*32+ 1) /* Virtual Mode Extensions */ -#define X86_FEATURE_DE (0*32+ 2) /* Debugging Extensions */ -#define X86_FEATURE_PSE (0*32+ 3) /* Page Size Extensions */ -#define X86_FEATURE_TSC (0*32+ 4) /* Time Stamp Counter */ -#define X86_FEATURE_MSR (0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */ -#define X86_FEATURE_PAE (0*32+ 6) /* Physical Address Extensions */ -#define X86_FEATURE_MCE (0*32+ 7) /* Machine Check Architecture */ -#define X86_FEATURE_CX8 (0*32+ 8) /* CMPXCHG8 instruction */ -#define X86_FEATURE_APIC (0*32+ 9) /* Onboard APIC */ -#define X86_FEATURE_SEP (0*32+11) /* SYSENTER/SYSEXIT */ -#define X86_FEATURE_MTRR (0*32+12) /* Memory Type Range Registers */ -#define X86_FEATURE_PGE (0*32+13) /* Page Global Enable */ -#define X86_FEATURE_MCA (0*32+14) /* Machine Check Architecture */ -#define X86_FEATURE_CMOV (0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */ -#define X86_FEATURE_PAT (0*32+16) /* Page Attribute Table */ -#define X86_FEATURE_PSE36 (0*32+17) /* 36-bit PSEs */ -#define X86_FEATURE_PN (0*32+18) /* Processor serial number */ -#define X86_FEATURE_CLFLSH (0*32+19) /* Supports the CLFLUSH instruction */ -#define X86_FEATURE_DTES (0*32+21) /* Debug Trace Store */ -#define X86_FEATURE_ACPI (0*32+22) /* ACPI via MSR */ -#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ -#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */ - /* of FPU context), and CR4.OSFXSR available */ -#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ -#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ -#define X86_FEATURE_SELFSNOOP (0*32+27) /* CPU self snoop */ -#define X86_FEATURE_ACC (0*32+29) /* Automatic clock control */ -#define X86_FEATURE_IA64 (0*32+30) /* IA-64 processor */ - -/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */ -/* Don't duplicate feature flags which are redundant with Intel! */ -#define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */ -#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ -#define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */ -#define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */ -#define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */ - -/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */ -#define X86_FEATURE_RECOVERY (2*32+ 0) /* CPU in recovery mode */ -#define X86_FEATURE_LONGRUN (2*32+ 1) /* Longrun power control */ -#define X86_FEATURE_LRTI (2*32+ 3) /* LongRun table interface */ - -/* Other features, Linux-defined mapping, word 3 */ -/* This range is used for feature bits which conflict or are synthesized */ -#define X86_FEATURE_CXMMX (3*32+ 0) /* Cyrix MMX extensions */ -#define X86_FEATURE_K6_MTRR (3*32+ 1) /* AMD K6 nonstandard MTRRs */ -#define X86_FEATURE_CYRIX_ARR (3*32+ 2) /* Cyrix ARRs (= MTRRs) */ -#define X86_FEATURE_CENTAUR_MCR (3*32+ 3) /* Centaur MCRs (= MTRRs) */ - -#endif /* __ASM_I386_CPUFEATURE_H */ - -/* - * Local Variables: - * mode:c - * comment-column:42 - * End: - */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/current.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/current.h deleted file mode 100644 index bc1496a2c9..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/current.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef _I386_CURRENT_H -#define _I386_CURRENT_H - -struct task_struct; - -static inline struct task_struct * get_current(void) -{ - struct task_struct *current; - __asm__("andl %%esp,%0; ":"=r" (current) : "0" (~8191UL)); - return current; - } - -#define current get_current() - -#endif /* !(_I386_CURRENT_H) */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/debugreg.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/debugreg.h deleted file mode 100644 index f0b2b06ae0..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/debugreg.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef _I386_DEBUGREG_H -#define _I386_DEBUGREG_H - - -/* Indicate the register numbers for a number of the specific - debug registers. Registers 0-3 contain the addresses we wish to trap on */ -#define DR_FIRSTADDR 0 /* u_debugreg[DR_FIRSTADDR] */ -#define DR_LASTADDR 3 /* u_debugreg[DR_LASTADDR] */ - -#define DR_STATUS 6 /* u_debugreg[DR_STATUS] */ -#define DR_CONTROL 7 /* u_debugreg[DR_CONTROL] */ - -/* Define a few things for the status register. We can use this to determine - which debugging register was responsible for the trap. The other bits - are either reserved or not of interest to us. */ - -#define DR_TRAP0 (0x1) /* db0 */ -#define DR_TRAP1 (0x2) /* db1 */ -#define DR_TRAP2 (0x4) /* db2 */ -#define DR_TRAP3 (0x8) /* db3 */ - -#define DR_STEP (0x4000) /* single-step */ -#define DR_SWITCH (0x8000) /* task switch */ - -/* Now define a bunch of things for manipulating the control register. - The top two bytes of the control register consist of 4 fields of 4 - bits - each field corresponds to one of the four debug registers, - and indicates what types of access we trap on, and how large the data - field is that we are looking at */ - -#define DR_CONTROL_SHIFT 16 /* Skip this many bits in ctl register */ -#define DR_CONTROL_SIZE 4 /* 4 control bits per register */ - -#define DR_RW_EXECUTE (0x0) /* Settings for the access types to trap on */ -#define DR_RW_WRITE (0x1) -#define DR_RW_READ (0x3) - -#define DR_LEN_1 (0x0) /* Settings for data length to trap on */ -#define DR_LEN_2 (0x4) -#define DR_LEN_4 (0xC) - -/* The low byte to the control register determine which registers are - enabled. There are 4 fields of two bits. One bit is "local", meaning - that the processor will reset the bit after a task switch and the other - is global meaning that we have to explicitly reset the bit. With linux, - you can use either one, since we explicitly zero the register when we enter - kernel mode. */ - -#define DR_LOCAL_ENABLE_SHIFT 0 /* Extra shift to the local enable bit */ -#define DR_GLOBAL_ENABLE_SHIFT 1 /* Extra shift to the global enable bit */ -#define DR_ENABLE_SIZE 2 /* 2 enable bits per register */ - -#define DR_LOCAL_ENABLE_MASK (0x55) /* Set local bits for all 4 regs */ -#define DR_GLOBAL_ENABLE_MASK (0xAA) /* Set global bits for all 4 regs */ - -/* The second byte to the control register has a few special things. - We can slow the instruction pipeline for instructions coming via the - gdt or the ldt if we want to. I am not sure why this is an advantage */ - -#define DR_CONTROL_RESERVED (0xFC00) /* Reserved by Intel */ -#define DR_LOCAL_SLOWDOWN (0x100) /* Local slow the pipeline */ -#define DR_GLOBAL_SLOWDOWN (0x200) /* Global slow the pipeline */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/delay.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/delay.h deleted file mode 100644 index c7d2184929..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/delay.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef _I386_DELAY_H -#define _I386_DELAY_H - -/* - * Copyright (C) 1993 Linus Torvalds - * - * Delay routines calling functions in arch/i386/lib/delay.c - */ - -extern void __bad_udelay(void); - -extern void __udelay(unsigned long usecs); -extern void __const_udelay(unsigned long usecs); -extern void __delay(unsigned long loops); - -#define udelay(n) (__builtin_constant_p(n) ? \ - ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \ - __udelay(n)) - -#endif /* defined(_I386_DELAY_H) */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/desc.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/desc.h deleted file mode 100644 index 1920de026a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/desc.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef __ARCH_DESC_H -#define __ARCH_DESC_H - -#include <asm/ldt.h> - -#define __LDT(_X) (0) - -#define clear_LDT() ((void)0) -#define load_LDT(_mm) ((void)0) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/div64.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/div64.h deleted file mode 100644 index ef915df700..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/div64.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef __I386_DIV64 -#define __I386_DIV64 - -#define do_div(n,base) ({ \ - unsigned long __upper, __low, __high, __mod; \ - asm("":"=a" (__low), "=d" (__high):"A" (n)); \ - __upper = __high; \ - if (__high) { \ - __upper = __high % (base); \ - __high = __high / (base); \ - } \ - asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (base), "0" (__low), "1" (__upper)); \ - asm("":"=A" (n):"a" (__low),"d" (__high)); \ - __mod; \ -}) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/dma.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/dma.h deleted file mode 100644 index 1bc9899b20..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/dma.h +++ /dev/null @@ -1,298 +0,0 @@ -/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $ - * linux/include/asm/dma.h: Defines for using and allocating dma channels. - * Written by Hennus Bergman, 1992. - * High DMA channel support & info by Hannu Savolainen - * and John Boyd, Nov. 1992. - */ - -#ifndef _ASM_DMA_H -#define _ASM_DMA_H - -#include <linux/config.h> -#include <linux/spinlock.h> /* And spinlocks */ -#include <asm/io.h> /* need byte IO */ -#include <linux/delay.h> - - -#ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER -#define dma_outb outb_p -#else -#define dma_outb outb -#endif - -#define dma_inb inb - -/* - * NOTES about DMA transfers: - * - * controller 1: channels 0-3, byte operations, ports 00-1F - * controller 2: channels 4-7, word operations, ports C0-DF - * - * - ALL registers are 8 bits only, regardless of transfer size - * - channel 4 is not used - cascades 1 into 2. - * - channels 0-3 are byte - addresses/counts are for physical bytes - * - channels 5-7 are word - addresses/counts are for physical words - * - transfers must not cross physical 64K (0-3) or 128K (5-7) boundaries - * - transfer count loaded to registers is 1 less than actual count - * - controller 2 offsets are all even (2x offsets for controller 1) - * - page registers for 5-7 don't use data bit 0, represent 128K pages - * - page registers for 0-3 use bit 0, represent 64K pages - * - * DMA transfers are limited to the lower 16MB of _physical_ memory. - * Note that addresses loaded into registers must be _physical_ addresses, - * not logical addresses (which may differ if paging is active). - * - * Address mapping for channels 0-3: - * - * A23 ... A16 A15 ... A8 A7 ... A0 (Physical addresses) - * | ... | | ... | | ... | - * | ... | | ... | | ... | - * | ... | | ... | | ... | - * P7 ... P0 A7 ... A0 A7 ... A0 - * | Page | Addr MSB | Addr LSB | (DMA registers) - * - * Address mapping for channels 5-7: - * - * A23 ... A17 A16 A15 ... A9 A8 A7 ... A1 A0 (Physical addresses) - * | ... | \ \ ... \ \ \ ... \ \ - * | ... | \ \ ... \ \ \ ... \ (not used) - * | ... | \ \ ... \ \ \ ... \ - * P7 ... P1 (0) A7 A6 ... A0 A7 A6 ... A0 - * | Page | Addr MSB | Addr LSB | (DMA registers) - * - * Again, channels 5-7 transfer _physical_ words (16 bits), so addresses - * and counts _must_ be word-aligned (the lowest address bit is _ignored_ at - * the hardware level, so odd-byte transfers aren't possible). - * - * Transfer count (_not # bytes_) is limited to 64K, represented as actual - * count - 1 : 64K => 0xFFFF, 1 => 0x0000. Thus, count is always 1 or more, - * and up to 128K bytes may be transferred on channels 5-7 in one operation. - * - */ - -#define MAX_DMA_CHANNELS 8 - -/* The maximum address that we can perform a DMA transfer to on this platform */ -#define MAX_DMA_ADDRESS (PAGE_OFFSET+0x1000000) - -/* 8237 DMA controllers */ -#define IO_DMA1_BASE 0x00 /* 8 bit slave DMA, channels 0..3 */ -#define IO_DMA2_BASE 0xC0 /* 16 bit master DMA, ch 4(=slave input)..7 */ - -/* DMA controller registers */ -#define DMA1_CMD_REG 0x08 /* command register (w) */ -#define DMA1_STAT_REG 0x08 /* status register (r) */ -#define DMA1_REQ_REG 0x09 /* request register (w) */ -#define DMA1_MASK_REG 0x0A /* single-channel mask (w) */ -#define DMA1_MODE_REG 0x0B /* mode register (w) */ -#define DMA1_CLEAR_FF_REG 0x0C /* clear pointer flip-flop (w) */ -#define DMA1_TEMP_REG 0x0D /* Temporary Register (r) */ -#define DMA1_RESET_REG 0x0D /* Master Clear (w) */ -#define DMA1_CLR_MASK_REG 0x0E /* Clear Mask */ -#define DMA1_MASK_ALL_REG 0x0F /* all-channels mask (w) */ - -#define DMA2_CMD_REG 0xD0 /* command register (w) */ -#define DMA2_STAT_REG 0xD0 /* status register (r) */ -#define DMA2_REQ_REG 0xD2 /* request register (w) */ -#define DMA2_MASK_REG 0xD4 /* single-channel mask (w) */ -#define DMA2_MODE_REG 0xD6 /* mode register (w) */ -#define DMA2_CLEAR_FF_REG 0xD8 /* clear pointer flip-flop (w) */ -#define DMA2_TEMP_REG 0xDA /* Temporary Register (r) */ -#define DMA2_RESET_REG 0xDA /* Master Clear (w) */ -#define DMA2_CLR_MASK_REG 0xDC /* Clear Mask */ -#define DMA2_MASK_ALL_REG 0xDE /* all-channels mask (w) */ - -#define DMA_ADDR_0 0x00 /* DMA address registers */ -#define DMA_ADDR_1 0x02 -#define DMA_ADDR_2 0x04 -#define DMA_ADDR_3 0x06 -#define DMA_ADDR_4 0xC0 -#define DMA_ADDR_5 0xC4 -#define DMA_ADDR_6 0xC8 -#define DMA_ADDR_7 0xCC - -#define DMA_CNT_0 0x01 /* DMA count registers */ -#define DMA_CNT_1 0x03 -#define DMA_CNT_2 0x05 -#define DMA_CNT_3 0x07 -#define DMA_CNT_4 0xC2 -#define DMA_CNT_5 0xC6 -#define DMA_CNT_6 0xCA -#define DMA_CNT_7 0xCE - -#define DMA_PAGE_0 0x87 /* DMA page registers */ -#define DMA_PAGE_1 0x83 -#define DMA_PAGE_2 0x81 -#define DMA_PAGE_3 0x82 -#define DMA_PAGE_5 0x8B -#define DMA_PAGE_6 0x89 -#define DMA_PAGE_7 0x8A - -#define DMA_MODE_READ 0x44 /* I/O to memory, no autoinit, increment, single mode */ -#define DMA_MODE_WRITE 0x48 /* memory to I/O, no autoinit, increment, single mode */ -#define DMA_MODE_CASCADE 0xC0 /* pass thru DREQ->HRQ, DACK<-HLDA only */ - -#define DMA_AUTOINIT 0x10 - - -extern spinlock_t dma_spin_lock; - -static __inline__ unsigned long claim_dma_lock(void) -{ - unsigned long flags; - spin_lock_irqsave(&dma_spin_lock, flags); - return flags; -} - -static __inline__ void release_dma_lock(unsigned long flags) -{ - spin_unlock_irqrestore(&dma_spin_lock, flags); -} - -/* enable/disable a specific DMA channel */ -static __inline__ void enable_dma(unsigned int dmanr) -{ - if (dmanr<=3) - dma_outb(dmanr, DMA1_MASK_REG); - else - dma_outb(dmanr & 3, DMA2_MASK_REG); -} - -static __inline__ void disable_dma(unsigned int dmanr) -{ - if (dmanr<=3) - dma_outb(dmanr | 4, DMA1_MASK_REG); - else - dma_outb((dmanr & 3) | 4, DMA2_MASK_REG); -} - -/* Clear the 'DMA Pointer Flip Flop'. - * Write 0 for LSB/MSB, 1 for MSB/LSB access. - * Use this once to initialize the FF to a known state. - * After that, keep track of it. :-) - * --- In order to do that, the DMA routines below should --- - * --- only be used while holding the DMA lock ! --- - */ -static __inline__ void clear_dma_ff(unsigned int dmanr) -{ - if (dmanr<=3) - dma_outb(0, DMA1_CLEAR_FF_REG); - else - dma_outb(0, DMA2_CLEAR_FF_REG); -} - -/* set mode (above) for a specific DMA channel */ -static __inline__ void set_dma_mode(unsigned int dmanr, char mode) -{ - if (dmanr<=3) - dma_outb(mode | dmanr, DMA1_MODE_REG); - else - dma_outb(mode | (dmanr&3), DMA2_MODE_REG); -} - -/* Set only the page register bits of the transfer address. - * This is used for successive transfers when we know the contents of - * the lower 16 bits of the DMA current address register, but a 64k boundary - * may have been crossed. - */ -static __inline__ void set_dma_page(unsigned int dmanr, char pagenr) -{ - switch(dmanr) { - case 0: - dma_outb(pagenr, DMA_PAGE_0); - break; - case 1: - dma_outb(pagenr, DMA_PAGE_1); - break; - case 2: - dma_outb(pagenr, DMA_PAGE_2); - break; - case 3: - dma_outb(pagenr, DMA_PAGE_3); - break; - case 5: - dma_outb(pagenr & 0xfe, DMA_PAGE_5); - break; - case 6: - dma_outb(pagenr & 0xfe, DMA_PAGE_6); - break; - case 7: - dma_outb(pagenr & 0xfe, DMA_PAGE_7); - break; - } -} - - -/* Set transfer address & page bits for specific DMA channel. - * Assumes dma flipflop is clear. - */ -static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int a) -{ - set_dma_page(dmanr, a>>16); - if (dmanr <= 3) { - dma_outb( a & 0xff, ((dmanr&3)<<1) + IO_DMA1_BASE ); - dma_outb( (a>>8) & 0xff, ((dmanr&3)<<1) + IO_DMA1_BASE ); - } else { - dma_outb( (a>>1) & 0xff, ((dmanr&3)<<2) + IO_DMA2_BASE ); - dma_outb( (a>>9) & 0xff, ((dmanr&3)<<2) + IO_DMA2_BASE ); - } -} - - -/* Set transfer size (max 64k for DMA1..3, 128k for DMA5..7) for - * a specific DMA channel. - * You must ensure the parameters are valid. - * NOTE: from a manual: "the number of transfers is one more - * than the initial word count"! This is taken into account. - * Assumes dma flip-flop is clear. - * NOTE 2: "count" represents _bytes_ and must be even for channels 5-7. - */ -static __inline__ void set_dma_count(unsigned int dmanr, unsigned int count) -{ - count--; - if (dmanr <= 3) { - dma_outb( count & 0xff, ((dmanr&3)<<1) + 1 + IO_DMA1_BASE ); - dma_outb( (count>>8) & 0xff, ((dmanr&3)<<1) + 1 + IO_DMA1_BASE ); - } else { - dma_outb( (count>>1) & 0xff, ((dmanr&3)<<2) + 2 + IO_DMA2_BASE ); - dma_outb( (count>>9) & 0xff, ((dmanr&3)<<2) + 2 + IO_DMA2_BASE ); - } -} - - -/* Get DMA residue count. After a DMA transfer, this - * should return zero. Reading this while a DMA transfer is - * still in progress will return unpredictable results. - * If called before the channel has been used, it may return 1. - * Otherwise, it returns the number of _bytes_ left to transfer. - * - * Assumes DMA flip-flop is clear. - */ -static __inline__ int get_dma_residue(unsigned int dmanr) -{ - unsigned int io_port = (dmanr<=3)? ((dmanr&3)<<1) + 1 + IO_DMA1_BASE - : ((dmanr&3)<<2) + 2 + IO_DMA2_BASE; - - /* using short to get 16-bit wrap around */ - unsigned short count; - - count = 1 + dma_inb(io_port); - count += dma_inb(io_port) << 8; - - return (dmanr<=3)? count : (count<<1); -} - - -/* These are in kernel/dma.c: */ -extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ -extern void free_dma(unsigned int dmanr); /* release it again */ - -/* From PCI */ - -#ifdef CONFIG_PCI -extern int isa_dma_bridge_buggy; -#else -#define isa_dma_bridge_buggy (0) -#endif - -#endif /* _ASM_DMA_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/elf.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/elf.h deleted file mode 100644 index 9b14bcf6c9..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/elf.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef __ASMi386_ELF_H -#define __ASMi386_ELF_H - -/* - * ELF register definitions.. - */ - -#include <asm/ptrace.h> -#include <asm/user.h> - -#include <linux/utsname.h> - -typedef unsigned long elf_greg_t; - -#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -typedef struct user_i387_struct elf_fpregset_t; -typedef struct user_fxsr_struct elf_fpxregset_t; - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) \ - (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486)) - -/* - * These are used to set parameters in the core dumps. - */ -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_386 - -/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx - contains a pointer to a function which might be registered using `atexit'. - This provides a mean for the dynamic linker to call DT_FINI functions for - shared libraries that have been loaded before the code runs. - - A value of 0 tells we have no such handler. - - We might as well make sure everything else is cleared too (except for %esp), - just to make things more deterministic. - */ -#define ELF_PLAT_INIT(_r) do { \ - _r->ebx = 0; _r->ecx = 0; _r->edx = 0; \ - _r->esi = 0; _r->edi = 0; _r->ebp = 0; \ - _r->eax = 0; \ -} while (0) - -#define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 - -/* This is the location that an ET_DYN program is loaded if exec'ed. Typical - use of this is to invoke "./ld.so someprog" to test out a new version of - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - -/* Wow, the "main" arch needs arch dependent functions too.. :) */ - -/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is - now struct_user_regs, they are different) */ - -#define ELF_CORE_COPY_REGS(pr_reg, regs) \ - pr_reg[0] = regs->ebx; \ - pr_reg[1] = regs->ecx; \ - pr_reg[2] = regs->edx; \ - pr_reg[3] = regs->esi; \ - pr_reg[4] = regs->edi; \ - pr_reg[5] = regs->ebp; \ - pr_reg[6] = regs->eax; \ - pr_reg[7] = regs->xds; \ - pr_reg[8] = regs->xes; \ - /* fake once used fs and gs selectors? */ \ - pr_reg[9] = regs->xds; /* was fs and __fs */ \ - pr_reg[10] = regs->xds; /* was gs and __gs */ \ - pr_reg[11] = regs->orig_eax; \ - pr_reg[12] = regs->eip; \ - pr_reg[13] = regs->xcs; \ - pr_reg[14] = regs->eflags; \ - pr_reg[15] = regs->esp; \ - pr_reg[16] = regs->xss; - -/* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, - but it's not easy, and we've already done it here. */ - -#define ELF_HWCAP (boot_cpu_data.x86_capability[0]) - -/* This yields a string that ld.so will use to load implementation - specific libraries for optimization. This is more specific in - intent than poking at uname or /proc/cpuinfo. - - For the moment, we have only optimizations for the Intel generations, - but that could change... */ - -#define ELF_PLATFORM (system_utsname.machine) - -#ifdef __KERNEL__ -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) -#endif - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/errno.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/errno.h deleted file mode 100644 index 7cf599f4de..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/errno.h +++ /dev/null @@ -1,132 +0,0 @@ -#ifndef _I386_ERRNO_H -#define _I386_ERRNO_H - -#define EPERM 1 /* Operation not permitted */ -#define ENOENT 2 /* No such file or directory */ -#define ESRCH 3 /* No such process */ -#define EINTR 4 /* Interrupted system call */ -#define EIO 5 /* I/O error */ -#define ENXIO 6 /* No such device or address */ -#define E2BIG 7 /* Arg list too long */ -#define ENOEXEC 8 /* Exec format error */ -#define EBADF 9 /* Bad file number */ -#define ECHILD 10 /* No child processes */ -#define EAGAIN 11 /* Try again */ -#define ENOMEM 12 /* Out of memory */ -#define EACCES 13 /* Permission denied */ -#define EFAULT 14 /* Bad address */ -#define ENOTBLK 15 /* Block device required */ -#define EBUSY 16 /* Device or resource busy */ -#define EEXIST 17 /* File exists */ -#define EXDEV 18 /* Cross-device link */ -#define ENODEV 19 /* No such device */ -#define ENOTDIR 20 /* Not a directory */ -#define EISDIR 21 /* Is a directory */ -#define EINVAL 22 /* Invalid argument */ -#define ENFILE 23 /* File table overflow */ -#define EMFILE 24 /* Too many open files */ -#define ENOTTY 25 /* Not a typewriter */ -#define ETXTBSY 26 /* Text file busy */ -#define EFBIG 27 /* File too large */ -#define ENOSPC 28 /* No space left on device */ -#define ESPIPE 29 /* Illegal seek */ -#define EROFS 30 /* Read-only file system */ -#define EMLINK 31 /* Too many links */ -#define EPIPE 32 /* Broken pipe */ -#define EDOM 33 /* Math argument out of domain of func */ -#define ERANGE 34 /* Math result not representable */ -#define EDEADLK 35 /* Resource deadlock would occur */ -#define ENAMETOOLONG 36 /* File name too long */ -#define ENOLCK 37 /* No record locks available */ -#define ENOSYS 38 /* Function not implemented */ -#define ENOTEMPTY 39 /* Directory not empty */ -#define ELOOP 40 /* Too many symbolic links encountered */ -#define EWOULDBLOCK EAGAIN /* Operation would block */ -#define ENOMSG 42 /* No message of desired type */ -#define EIDRM 43 /* Identifier removed */ -#define ECHRNG 44 /* Channel number out of range */ -#define EL2NSYNC 45 /* Level 2 not synchronized */ -#define EL3HLT 46 /* Level 3 halted */ -#define EL3RST 47 /* Level 3 reset */ -#define ELNRNG 48 /* Link number out of range */ -#define EUNATCH 49 /* Protocol driver not attached */ -#define ENOCSI 50 /* No CSI structure available */ -#define EL2HLT 51 /* Level 2 halted */ -#define EBADE 52 /* Invalid exchange */ -#define EBADR 53 /* Invalid request descriptor */ -#define EXFULL 54 /* Exchange full */ -#define ENOANO 55 /* No anode */ -#define EBADRQC 56 /* Invalid request code */ -#define EBADSLT 57 /* Invalid slot */ - -#define EDEADLOCK EDEADLK - -#define EBFONT 59 /* Bad font file format */ -#define ENOSTR 60 /* Device not a stream */ -#define ENODATA 61 /* No data available */ -#define ETIME 62 /* Timer expired */ -#define ENOSR 63 /* Out of streams resources */ -#define ENONET 64 /* Machine is not on the network */ -#define ENOPKG 65 /* Package not installed */ -#define EREMOTE 66 /* Object is remote */ -#define ENOLINK 67 /* Link has been severed */ -#define EADV 68 /* Advertise error */ -#define ESRMNT 69 /* Srmount error */ -#define ECOMM 70 /* Communication error on send */ -#define EPROTO 71 /* Protocol error */ -#define EMULTIHOP 72 /* Multihop attempted */ -#define EDOTDOT 73 /* RFS specific error */ -#define EBADMSG 74 /* Not a data message */ -#define EOVERFLOW 75 /* Value too large for defined data type */ -#define ENOTUNIQ 76 /* Name not unique on network */ -#define EBADFD 77 /* File descriptor in bad state */ -#define EREMCHG 78 /* Remote address changed */ -#define ELIBACC 79 /* Can not access a needed shared library */ -#define ELIBBAD 80 /* Accessing a corrupted shared library */ -#define ELIBSCN 81 /* .lib section in a.out corrupted */ -#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ -#define ELIBEXEC 83 /* Cannot exec a shared library directly */ -#define EILSEQ 84 /* Illegal byte sequence */ -#define ERESTART 85 /* Interrupted system call should be restarted */ -#define ESTRPIPE 86 /* Streams pipe error */ -#define EUSERS 87 /* Too many users */ -#define ENOTSOCK 88 /* Socket operation on non-socket */ -#define EDESTADDRREQ 89 /* Destination address required */ -#define EMSGSIZE 90 /* Message too long */ -#define EPROTOTYPE 91 /* Protocol wrong type for socket */ -#define ENOPROTOOPT 92 /* Protocol not available */ -#define EPROTONOSUPPORT 93 /* Protocol not supported */ -#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ -#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ -#define EPFNOSUPPORT 96 /* Protocol family not supported */ -#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ -#define EADDRINUSE 98 /* Address already in use */ -#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ -#define ENETDOWN 100 /* Network is down */ -#define ENETUNREACH 101 /* Network is unreachable */ -#define ENETRESET 102 /* Network dropped connection because of reset */ -#define ECONNABORTED 103 /* Software caused connection abort */ -#define ECONNRESET 104 /* Connection reset by peer */ -#define ENOBUFS 105 /* No buffer space available */ -#define EISCONN 106 /* Transport endpoint is already connected */ -#define ENOTCONN 107 /* Transport endpoint is not connected */ -#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ -#define ETOOMANYREFS 109 /* Too many references: cannot splice */ -#define ETIMEDOUT 110 /* Connection timed out */ -#define ECONNREFUSED 111 /* Connection refused */ -#define EHOSTDOWN 112 /* Host is down */ -#define EHOSTUNREACH 113 /* No route to host */ -#define EALREADY 114 /* Operation already in progress */ -#define EINPROGRESS 115 /* Operation now in progress */ -#define ESTALE 116 /* Stale NFS file handle */ -#define EUCLEAN 117 /* Structure needs cleaning */ -#define ENOTNAM 118 /* Not a XENIX named type file */ -#define ENAVAIL 119 /* No XENIX semaphores available */ -#define EISNAM 120 /* Is a named type file */ -#define EREMOTEIO 121 /* Remote I/O error */ -#define EDQUOT 122 /* Quota exceeded */ - -#define ENOMEDIUM 123 /* No medium found */ -#define EMEDIUMTYPE 124 /* Wrong medium type */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/fcntl.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/fcntl.h deleted file mode 100644 index 41e3c4d914..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/fcntl.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef _I386_FCNTL_H -#define _I386_FCNTL_H - -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ -#define O_ACCMODE 0003 -#define O_RDONLY 00 -#define O_WRONLY 01 -#define O_RDWR 02 -#define O_CREAT 0100 /* not fcntl */ -#define O_EXCL 0200 /* not fcntl */ -#define O_NOCTTY 0400 /* not fcntl */ -#define O_TRUNC 01000 /* not fcntl */ -#define O_APPEND 02000 -#define O_NONBLOCK 04000 -#define O_NDELAY O_NONBLOCK -#define O_SYNC 010000 -#define FASYNC 020000 /* fcntl, for BSD compatibility */ -#define O_DIRECT 040000 /* direct disk access hint */ -#define O_LARGEFILE 0100000 -#define O_DIRECTORY 0200000 /* must be a directory */ -#define O_NOFOLLOW 0400000 /* don't follow links */ - -#define F_DUPFD 0 /* dup */ -#define F_GETFD 1 /* get close_on_exec */ -#define F_SETFD 2 /* set/clear close_on_exec */ -#define F_GETFL 3 /* get file->f_flags */ -#define F_SETFL 4 /* set file->f_flags */ -#define F_GETLK 5 -#define F_SETLK 6 -#define F_SETLKW 7 - -#define F_SETOWN 8 /* for sockets. */ -#define F_GETOWN 9 /* for sockets. */ -#define F_SETSIG 10 /* for sockets. */ -#define F_GETSIG 11 /* for sockets. */ - -#define F_GETLK64 12 /* using 'struct flock64' */ -#define F_SETLK64 13 -#define F_SETLKW64 14 - -/* for F_[GET|SET]FL */ -#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ - -/* for posix fcntl() and lockf() */ -#define F_RDLCK 0 -#define F_WRLCK 1 -#define F_UNLCK 2 - -/* for old implementation of bsd flock () */ -#define F_EXLCK 4 /* or 3 */ -#define F_SHLCK 8 /* or 4 */ - -/* for leases */ -#define F_INPROGRESS 16 - -/* operations for bsd flock(), also used by the kernel implementation */ -#define LOCK_SH 1 /* shared lock */ -#define LOCK_EX 2 /* exclusive lock */ -#define LOCK_NB 4 /* or'd with one of the above to prevent - blocking */ -#define LOCK_UN 8 /* remove lock */ - -#define LOCK_MAND 32 /* This is a mandatory flock */ -#define LOCK_READ 64 /* ... Which allows concurrent read operations */ -#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ -#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ - -struct flock { - short l_type; - short l_whence; - off_t l_start; - off_t l_len; - pid_t l_pid; -}; - -struct flock64 { - short l_type; - short l_whence; - loff_t l_start; - loff_t l_len; - pid_t l_pid; -}; - -#define F_LINUX_SPECIFIC_BASE 1024 - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/fixmap.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/fixmap.h deleted file mode 100644 index d9a10f2e39..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/fixmap.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * fixmap.h: compile-time virtual memory allocation - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998 Ingo Molnar - * - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 - */ - -#ifndef _ASM_FIXMAP_H -#define _ASM_FIXMAP_H - -#include <linux/config.h> -#include <linux/kernel.h> -#include <asm/apicdef.h> -#include <asm/page.h> - -/* - * Here we define all the compile-time 'special' virtual - * addresses. The point is to have a constant address at - * compile time, but to set the physical address only - * in the boot process. We allocate these special addresses - * from the end of virtual memory (0xfffff000) backwards. - * Also this lets us do fail-safe vmalloc(), we - * can guarantee that these special addresses and - * vmalloc()-ed addresses never overlap. - * - * these 'compile-time allocated' memory buffers are - * fixed-size 4k pages. (or larger if used with an increment - * highger than 1) use fixmap_set(idx,phys) to associate - * physical memory with fixmap indices. - * - * TLB entries of such buffers will not be flushed across - * task switches. - */ -enum fixed_addresses { - FIX_BLKRING_BASE, - __end_of_fixed_addresses -}; - -extern void __set_fixmap (enum fixed_addresses idx, - unsigned long phys, pgprot_t flags); - -#define set_fixmap(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL) -/* - * Some hardware wants to get fixmapped without caching. - */ -#define set_fixmap_nocache(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) -/* - * used by vmalloc.c. - * - * Leave one empty page between vmalloc'ed areas and - * the start of the fixmap, and leave one page empty - * at the top of mem.. - */ -#define FIXADDR_TOP (HYPERVISOR_VIRT_START - 2*PAGE_SIZE) -#define __FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) -#define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) - -#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) - -extern void __this_fixmap_does_not_exist(void); - -/* - * 'index to address' translation. If anyone tries to use the idx - * directly without tranlation, we catch the bug with a NULL-deference - * kernel oops. Illegal ranges of incoming indices are caught too. - */ -static inline unsigned long fix_to_virt(const unsigned int idx) -{ - /* - * this branch gets completely eliminated after inlining, - * except when someone tries to use fixaddr indices in an - * illegal way. (such as mixing up address types or using - * out-of-range indices). - * - * If it doesn't get removed, the linker will complain - * loudly with a reasonably clear error message.. - */ - if (idx >= __end_of_fixed_addresses) - __this_fixmap_does_not_exist(); - - return __fix_to_virt(idx); -} - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/floppy.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/floppy.h deleted file mode 100644 index 62f9fd831c..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/floppy.h +++ /dev/null @@ -1,320 +0,0 @@ -/* - * Architecture specific parts of the Floppy driver - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1995 - */ -#ifndef __ASM_I386_FLOPPY_H -#define __ASM_I386_FLOPPY_H - -#include <linux/vmalloc.h> - - -/* - * The DMA channel used by the floppy controller cannot access data at - * addresses >= 16MB - * - * Went back to the 1MB limit, as some people had problems with the floppy - * driver otherwise. It doesn't matter much for performance anyway, as most - * floppy accesses go through the track buffer. - */ -#define _CROSS_64KB(a,s,vdma) \ -(!vdma && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64)) - -#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1) - - -#define SW fd_routine[use_virtual_dma&1] -#define CSW fd_routine[can_use_virtual_dma & 1] - - -#define fd_inb(port) inb_p(port) -#define fd_outb(port,value) outb_p(port,value) - -#define fd_request_dma() CSW._request_dma(FLOPPY_DMA,"floppy") -#define fd_free_dma() CSW._free_dma(FLOPPY_DMA) -#define fd_enable_irq() enable_irq(FLOPPY_IRQ) -#define fd_disable_irq() disable_irq(FLOPPY_IRQ) -#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL) -#define fd_get_dma_residue() SW._get_dma_residue(FLOPPY_DMA) -#define fd_dma_mem_alloc(size) SW._dma_mem_alloc(size) -#define fd_dma_setup(addr, size, mode, io) SW._dma_setup(addr, size, mode, io) - -#define FLOPPY_CAN_FALLBACK_ON_NODMA - -static int virtual_dma_count; -static int virtual_dma_residue; -static char *virtual_dma_addr; -static int virtual_dma_mode; -static int doing_pdma; - -static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs) -{ - register unsigned char st; - -#undef TRACE_FLPY_INT -#define NO_FLOPPY_ASSEMBLER - -#ifdef TRACE_FLPY_INT - static int calls=0; - static int bytes=0; - static int dma_wait=0; -#endif - if(!doing_pdma) { - floppy_interrupt(irq, dev_id, regs); - return; - } - -#ifdef TRACE_FLPY_INT - if(!calls) - bytes = virtual_dma_count; -#endif - -#ifndef NO_FLOPPY_ASSEMBLER - __asm__ ( - "testl %1,%1 - je 3f -1: inb %w4,%b0 - andb $160,%b0 - cmpb $160,%b0 - jne 2f - incw %w4 - testl %3,%3 - jne 4f - inb %w4,%b0 - movb %0,(%2) - jmp 5f -4: movb (%2),%0 - outb %b0,%w4 -5: decw %w4 - outb %0,$0x80 - decl %1 - incl %2 - testl %1,%1 - jne 1b -3: inb %w4,%b0 -2: " - : "=a" ((char) st), - "=c" ((long) virtual_dma_count), - "=S" ((long) virtual_dma_addr) - : "b" ((long) virtual_dma_mode), - "d" ((short) virtual_dma_port+4), - "1" ((long) virtual_dma_count), - "2" ((long) virtual_dma_addr)); -#else - { - register int lcount; - register char *lptr; - - st = 1; - for(lcount=virtual_dma_count, lptr=virtual_dma_addr; - lcount; lcount--, lptr++) { - st=inb(virtual_dma_port+4) & 0xa0 ; - if(st != 0xa0) - break; - if(virtual_dma_mode) - outb_p(*lptr, virtual_dma_port+5); - else - *lptr = inb_p(virtual_dma_port+5); - } - virtual_dma_count = lcount; - virtual_dma_addr = lptr; - st = inb(virtual_dma_port+4); - } -#endif - -#ifdef TRACE_FLPY_INT - calls++; -#endif - if(st == 0x20) - return; - if(!(st & 0x20)) { - virtual_dma_residue += virtual_dma_count; - virtual_dma_count=0; -#ifdef TRACE_FLPY_INT - printk("count=%x, residue=%x calls=%d bytes=%d dma_wait=%d\n", - virtual_dma_count, virtual_dma_residue, calls, bytes, - dma_wait); - calls = 0; - dma_wait=0; -#endif - doing_pdma = 0; - floppy_interrupt(irq, dev_id, regs); - return; - } -#ifdef TRACE_FLPY_INT - if(!virtual_dma_count) - dma_wait++; -#endif -} - -static void fd_disable_dma(void) -{ - if(! (can_use_virtual_dma & 1)) - disable_dma(FLOPPY_DMA); - doing_pdma = 0; - virtual_dma_residue += virtual_dma_count; - virtual_dma_count=0; -} - -static int vdma_request_dma(unsigned int dmanr, const char * device_id) -{ - return 0; -} - -static void vdma_nop(unsigned int dummy) -{ -} - - -static int vdma_get_dma_residue(unsigned int dummy) -{ - return virtual_dma_count + virtual_dma_residue; -} - - -static int fd_request_irq(void) -{ - if(can_use_virtual_dma) - return request_irq(FLOPPY_IRQ, floppy_hardint,SA_INTERRUPT, - "floppy", NULL); - else - return request_irq(FLOPPY_IRQ, floppy_interrupt, - SA_INTERRUPT|SA_SAMPLE_RANDOM, - "floppy", NULL); - -} - -static unsigned long dma_mem_alloc(unsigned long size) -{ - return __get_dma_pages(GFP_KERNEL,get_order(size)); -} - - -static unsigned long vdma_mem_alloc(unsigned long size) -{ - return (unsigned long) vmalloc(size); - -} - -#define nodma_mem_alloc(size) vdma_mem_alloc(size) - -static void _fd_dma_mem_free(unsigned long addr, unsigned long size) -{ - if((unsigned int) addr >= (unsigned int) high_memory) - return vfree((void *)addr); - else - free_pages(addr, get_order(size)); -} - -#define fd_dma_mem_free(addr, size) _fd_dma_mem_free(addr, size) - -static void _fd_chose_dma_mode(char *addr, unsigned long size) -{ - if(can_use_virtual_dma == 2) { - if((unsigned int) addr >= (unsigned int) high_memory || - virt_to_bus(addr) >= 0x1000000 || - _CROSS_64KB(addr, size, 0)) - use_virtual_dma = 1; - else - use_virtual_dma = 0; - } else { - use_virtual_dma = can_use_virtual_dma & 1; - } -} - -#define fd_chose_dma_mode(addr, size) _fd_chose_dma_mode(addr, size) - - -static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io) -{ - doing_pdma = 1; - virtual_dma_port = io; - virtual_dma_mode = (mode == DMA_MODE_WRITE); - virtual_dma_addr = addr; - virtual_dma_count = size; - virtual_dma_residue = 0; - return 0; -} - -static int hard_dma_setup(char *addr, unsigned long size, int mode, int io) -{ -#ifdef FLOPPY_SANITY_CHECK - if (CROSS_64KB(addr, size)) { - printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size); - return -1; - } -#endif - /* actual, physical DMA */ - doing_pdma = 0; - clear_dma_ff(FLOPPY_DMA); - set_dma_mode(FLOPPY_DMA,mode); - set_dma_addr(FLOPPY_DMA,virt_to_bus(addr)); - set_dma_count(FLOPPY_DMA,size); - enable_dma(FLOPPY_DMA); - return 0; -} - -struct fd_routine_l { - int (*_request_dma)(unsigned int dmanr, const char * device_id); - void (*_free_dma)(unsigned int dmanr); - int (*_get_dma_residue)(unsigned int dummy); - unsigned long (*_dma_mem_alloc) (unsigned long size); - int (*_dma_setup)(char *addr, unsigned long size, int mode, int io); -} fd_routine[] = { - { - request_dma, - free_dma, - get_dma_residue, - dma_mem_alloc, - hard_dma_setup - }, - { - vdma_request_dma, - vdma_nop, - vdma_get_dma_residue, - vdma_mem_alloc, - vdma_dma_setup - } -}; - - -static int FDC1 = 0x3f0; -static int FDC2 = -1; - -/* - * Floppy types are stored in the rtc's CMOS RAM and so rtc_lock - * is needed to prevent corrupted CMOS RAM in case "insmod floppy" - * coincides with another rtc CMOS user. Paul G. - */ -#define FLOPPY0_TYPE ({ \ - unsigned long flags; \ - unsigned char val; \ - spin_lock_irqsave(&rtc_lock, flags); \ - val = (CMOS_READ(0x10) >> 4) & 15; \ - spin_unlock_irqrestore(&rtc_lock, flags); \ - val; \ -}) - -#define FLOPPY1_TYPE ({ \ - unsigned long flags; \ - unsigned char val; \ - spin_lock_irqsave(&rtc_lock, flags); \ - val = CMOS_READ(0x10) & 15; \ - spin_unlock_irqrestore(&rtc_lock, flags); \ - val; \ -}) - -#define N_FDC 2 -#define N_DRIVE 8 - -#define FLOPPY_MOTOR_MASK 0xf0 - -#define AUTO_DMA - -#define EXTRA_FLOPPY_PARAMS - -#endif /* __ASM_I386_FLOPPY_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hardirq.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/hardirq.h deleted file mode 100644 index 4acb4b09dd..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hardirq.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef __ASM_HARDIRQ_H -#define __ASM_HARDIRQ_H - -#include <linux/config.h> -#include <linux/threads.h> -#include <linux/irq.h> - -/* assembly code in softirq.h is sensitive to the offsets of these fields */ -typedef struct { - unsigned int __softirq_pending; - unsigned int __local_irq_count; - unsigned int __local_bh_count; - unsigned int __syscall_count; - struct task_struct * __ksoftirqd_task; /* waitqueue is too large */ - unsigned int __nmi_count; /* arch dependent */ -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - -/* - * Are we in an interrupt context? Either doing bottom half - * or hardware interrupt processing? - */ -#define in_interrupt() ({ int __cpu = smp_processor_id(); \ - (local_irq_count(__cpu) + local_bh_count(__cpu) != 0); }) - -#define in_irq() (local_irq_count(smp_processor_id()) != 0) - -#ifndef CONFIG_SMP - -#define hardirq_trylock(cpu) (local_irq_count(cpu) == 0) -#define hardirq_endlock(cpu) do { } while (0) - -#define irq_enter(cpu, irq) (local_irq_count(cpu)++) -#define irq_exit(cpu, irq) (local_irq_count(cpu)--) - -#define synchronize_irq() barrier() - -#else - -#include <asm/atomic.h> -#include <asm/smp.h> - -extern unsigned char global_irq_holder; -extern unsigned volatile long global_irq_lock; /* long for set_bit -RR */ - -static inline int irqs_running (void) -{ - int i; - - for (i = 0; i < smp_num_cpus; i++) - if (local_irq_count(i)) - return 1; - return 0; -} - -static inline void release_irqlock(int cpu) -{ - /* if we didn't own the irq lock, just ignore.. */ - if (global_irq_holder == (unsigned char) cpu) { - global_irq_holder = NO_PROC_ID; - clear_bit(0,&global_irq_lock); - } -} - -static inline void irq_enter(int cpu, int irq) -{ - ++local_irq_count(cpu); - - while (test_bit(0,&global_irq_lock)) { - cpu_relax(); - } -} - -static inline void irq_exit(int cpu, int irq) -{ - --local_irq_count(cpu); -} - -static inline int hardirq_trylock(int cpu) -{ - return !local_irq_count(cpu) && !test_bit(0,&global_irq_lock); -} - -#define hardirq_endlock(cpu) do { } while (0) - -extern void synchronize_irq(void); - -#endif /* CONFIG_SMP */ - -#endif /* __ASM_HARDIRQ_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hdreg.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/hdreg.h deleted file mode 100644 index 1ad5c07394..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hdreg.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * linux/include/asm-i386/hdreg.h - * - * Copyright (C) 1994-1996 Linus Torvalds & authors - */ - -#ifndef __ASMi386_HDREG_H -#define __ASMi386_HDREG_H - -typedef unsigned short ide_ioreg_t; - -#endif /* __ASMi386_HDREG_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/highmem.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/highmem.h deleted file mode 100644 index a96b60124c..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/highmem.h +++ /dev/null @@ -1,2 +0,0 @@ - -#error "Highmem unsupported!" diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hw_irq.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/hw_irq.h deleted file mode 100644 index a7303f0946..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hw_irq.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef _ASM_HW_IRQ_H -#define _ASM_HW_IRQ_H - -/* - * linux/include/asm/hw_irq.h - * - * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar - */ - -#include <linux/config.h> -#include <linux/smp.h> -#include <asm/atomic.h> -#include <asm/irq.h> - -#define SYSCALL_VECTOR 0x80 -#define KDBENTER_VECTOR 0x81 - -extern int irq_vector[NR_IRQS]; - -extern atomic_t irq_err_count; -extern atomic_t irq_mis_count; - -extern char _stext, _etext; - -extern unsigned long prof_cpu_mask; -extern unsigned int * prof_buffer; -extern unsigned long prof_len; -extern unsigned long prof_shift; - -/* - * x86 profiling function, SMP safe. We might want to do this in - * assembly totally? - */ -static inline void x86_do_profile (unsigned long eip) -{ - if (!prof_buffer) - return; - - /* - * Only measure the CPUs specified by /proc/irq/prof_cpu_mask. - * (default is all CPUs.) - */ - if (!((1<<smp_processor_id()) & prof_cpu_mask)) - return; - - eip -= (unsigned long) &_stext; - eip >>= prof_shift; - /* - * Don't ignore out-of-bounds EIP values silently, - * put them into the last histogram slot, so if - * present, they will show up as a sharp peak. - */ - if (eip > prof_len-1) - eip = prof_len-1; - atomic_inc((atomic_t *)&prof_buffer[eip]); -} - -static inline void hw_resend_irq(struct hw_interrupt_type *h, - unsigned int i) -{} - -#endif /* _ASM_HW_IRQ_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor.h deleted file mode 100644 index df25598730..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor.h +++ /dev/null @@ -1,316 +0,0 @@ -/****************************************************************************** - * hypervisor.h - * - * Linux-specific hypervisor handling. - * - * Copyright (c) 2002, K A Fraser - */ - -#ifndef __HYPERVISOR_H__ -#define __HYPERVISOR_H__ - -#include <asm/hypervisor-ifs/hypervisor-if.h> -#include <asm/ptrace.h> - -/* arch/xeno/kernel/setup.c */ -union start_info_union -{ - start_info_t start_info; - char padding[512]; -}; -extern union start_info_union start_info_union; -#define start_info (start_info_union.start_info) - -/* arch/xeno/kernel/hypervisor.c */ -void do_hypervisor_callback(struct pt_regs *regs); - - -/* arch/xeno/mm/hypervisor.c */ -/* - * NB. ptr values should be PHYSICAL, not MACHINE. 'vals' should be already - * be MACHINE addresses. - */ - -extern unsigned int pt_update_queue_idx; - -void queue_l1_entry_update(unsigned long ptr, unsigned long val); -void queue_l2_entry_update(unsigned long ptr, unsigned long val); -void queue_pt_switch(unsigned long ptr); -void queue_tlb_flush(void); -void queue_invlpg(unsigned long ptr); -void queue_pgd_pin(unsigned long ptr); -void queue_pgd_unpin(unsigned long ptr); -void queue_pte_pin(unsigned long ptr); -void queue_pte_unpin(unsigned long ptr); - -#define PT_UPDATE_DEBUG 0 - -#if PT_UPDATE_DEBUG > 0 -typedef struct { - unsigned long ptr, val, pteval; - void *ptep; - int line; char *file; -} page_update_debug_t; -extern page_update_debug_t update_debug_queue[]; -#define queue_l1_entry_update(_p,_v) ({ \ - update_debug_queue[pt_update_queue_idx].ptr = (_p); \ - update_debug_queue[pt_update_queue_idx].val = (_v); \ - update_debug_queue[pt_update_queue_idx].line = __LINE__; \ - update_debug_queue[pt_update_queue_idx].file = __FILE__; \ - queue_l1_entry_update((_p),(_v)); \ -}) -#define queue_l2_entry_update(_p,_v) ({ \ - update_debug_queue[pt_update_queue_idx].ptr = (_p); \ - update_debug_queue[pt_update_queue_idx].val = (_v); \ - update_debug_queue[pt_update_queue_idx].line = __LINE__; \ - update_debug_queue[pt_update_queue_idx].file = __FILE__; \ - queue_l2_entry_update((_p),(_v)); \ -}) -#endif - -#if PT_UPDATE_DEBUG > 1 -#undef queue_l1_entry_update -#undef queue_l2_entry_update -#define queue_l1_entry_update(_p,_v) ({ \ - update_debug_queue[pt_update_queue_idx].ptr = (_p); \ - update_debug_queue[pt_update_queue_idx].val = (_v); \ - update_debug_queue[pt_update_queue_idx].line = __LINE__; \ - update_debug_queue[pt_update_queue_idx].file = __FILE__; \ - printk("L1 %s %d: %08lx (%08lx -> %08lx)\n", __FILE__, __LINE__, \ - phys_to_machine(_p), *(unsigned long *)__va(_p), \ - (unsigned long)(_v)); \ - queue_l1_entry_update((_p),(_v)); \ -}) -#define queue_l2_entry_update(_p,_v) ({ \ - update_debug_queue[pt_update_queue_idx].ptr = (_p); \ - update_debug_queue[pt_update_queue_idx].val = (_v); \ - update_debug_queue[pt_update_queue_idx].line = __LINE__; \ - update_debug_queue[pt_update_queue_idx].file = __FILE__; \ - printk("L2 %s %d: %08lx (%08lx -> %08lx)\n", __FILE__, __LINE__, \ - phys_to_machine(_p), *(unsigned long *)__va(_p), \ - (unsigned long)(_v)); \ - queue_l2_entry_update((_p),(_v)); \ -}) -#define queue_pt_switch(_p) ({ \ - printk("PTSWITCH %s %d: %08lx\n", __FILE__, __LINE__, (_p)); \ - queue_pt_switch(_p); \ -}) -#define queue_tlb_flush() ({ \ - printk("TLB FLUSH %s %d\n", __FILE__, __LINE__); \ - queue_tlb_flush(); \ -}) -#define queue_invlpg(_p) ({ \ - printk("INVLPG %s %d: %08lx\n", __FILE__, __LINE__, (_p)); \ - queue_invlpg(_p); \ -}) -#define queue_pgd_pin(_p) ({ \ - printk("PGD PIN %s %d: %08lx\n", __FILE__, __LINE__, (_p)); \ - queue_pgd_pin(_p); \ -}) -#define queue_pgd_unpin(_p) ({ \ - printk("PGD UNPIN %s %d: %08lx\n", __FILE__, __LINE__, (_p)); \ - queue_pgd_unpin(_p); \ -}) -#define queue_pte_pin(_p) ({ \ - printk("PTE PIN %s %d: %08lx\n", __FILE__, __LINE__, (_p)); \ - queue_pte_pin(_p); \ -}) -#define queue_pte_unpin(_p) ({ \ - printk("PTE UNPIN %s %d: %08lx\n", __FILE__, __LINE__, (_p)); \ - queue_pte_unpin(_p); \ -}) -#endif - -void _flush_page_update_queue(void); -static inline int flush_page_update_queue(void) -{ - unsigned int idx = pt_update_queue_idx; - if ( idx != 0 ) _flush_page_update_queue(); - return idx; -} -#define XENO_flush_page_update_queue() (_flush_page_update_queue()) - - -/* - * Assembler stubs for hyper-calls. - */ - -static inline int HYPERVISOR_set_trap_table(trap_info_t *table) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_set_trap_table), - "b" (table) ); - - return ret; -} - - -static inline int HYPERVISOR_pt_update(page_update_request_t *req, int count) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_pt_update), - "b" (req), "c" (count) ); - - return ret; -} - - -static inline int HYPERVISOR_console_write(const char *str, int count) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_console_write), - "b" (str), "c" (count) ); - - - return ret; -} - -static inline int HYPERVISOR_set_gdt(unsigned long *frame_list, int entries) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_set_gdt), - "b" (frame_list), "c" (entries) ); - - - return ret; -} - -static inline int HYPERVISOR_stack_and_ldt_switch( - unsigned long ss, unsigned long esp, unsigned long ldts) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_stack_and_ldt_switch), - "b" (ss), "c" (esp), "d" (ldts) ); - - return ret; -} - -static inline int HYPERVISOR_net_update(void) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_net_update) ); - - return ret; -} - -static inline int HYPERVISOR_fpu_taskswitch(void) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) ); - - return ret; -} - -static inline int HYPERVISOR_do_sched_op(void *sched_op) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_sched_op), - "b" (sched_op) ); - - return ret; -} - -static inline int HYPERVISOR_exit(void) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_exit) ); - - return ret; -} - -static inline int HYPERVISOR_dom0_op(void *dom0_op) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_dom0_op), - "b" (dom0_op) : "memory" ); - - return ret; -} - -static inline int HYPERVISOR_network_op(void *network_op) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_network_op), - "b" (network_op) ); - - return ret; -} - -static inline int HYPERVISOR_block_io_op(void) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_block_io_op) ); - - return ret; -} - -static inline int HYPERVISOR_set_debugreg(int reg, unsigned long value) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_set_debugreg), - "b" (reg), "c" (value) ); - - return ret; -} - -static inline unsigned long HYPERVISOR_get_debugreg(int reg) -{ - unsigned long ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_get_debugreg), - "b" (reg) ); - - return ret; -} - -static inline int HYPERVISOR_update_descriptor( - unsigned long pa, unsigned long word1, unsigned long word2) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_set_gdt), - "b" (pa), "c" (word1), "d" (word2) ); - - return ret; -} - -static inline int HYPERVISOR_set_fast_trap(int idx) -{ - int ret; - __asm__ __volatile__ ( - TRAP_INSTR - : "=a" (ret) : "0" (__HYPERVISOR_set_fast_trap), - "b" (idx) ); - - return ret; -} - -#endif /* __HYPERVISOR_H__ */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h deleted file mode 100644 index 1cf8dc2ab3..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * include/asm-i386/i387.h - * - * Copyright (C) 1994 Linus Torvalds - * - * Pentium III FXSR, SSE support - * General FPU state handling cleanups - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -#ifndef __ASM_I386_I387_H -#define __ASM_I386_I387_H - -#include <linux/sched.h> -#include <asm/processor.h> -#include <asm/sigcontext.h> -#include <asm/user.h> - -extern void init_fpu(void); -/* - * FPU lazy state save handling... - */ -extern void save_init_fpu( struct task_struct *tsk ); -extern void restore_fpu( struct task_struct *tsk ); - -extern void kernel_fpu_begin(void); -#define kernel_fpu_end() stts() - - -#define unlazy_fpu( tsk ) do { \ - if ( tsk->flags & PF_USEDFPU ) \ - save_init_fpu( tsk ); \ -} while (0) - -#define clear_fpu( tsk ) do { \ - if ( tsk->flags & PF_USEDFPU ) { \ - asm volatile("fwait"); \ - tsk->flags &= ~PF_USEDFPU; \ - stts(); \ - } \ -} while (0) - -/* - * FPU state interaction... - */ -extern unsigned short get_fpu_cwd( struct task_struct *tsk ); -extern unsigned short get_fpu_swd( struct task_struct *tsk ); -extern unsigned short get_fpu_twd( struct task_struct *tsk ); -extern unsigned short get_fpu_mxcsr( struct task_struct *tsk ); - -extern void set_fpu_cwd( struct task_struct *tsk, unsigned short cwd ); -extern void set_fpu_swd( struct task_struct *tsk, unsigned short swd ); -extern void set_fpu_twd( struct task_struct *tsk, unsigned short twd ); -extern void set_fpu_mxcsr( struct task_struct *tsk, unsigned short mxcsr ); - -#define load_mxcsr( val ) do { \ - unsigned long __mxcsr = ((unsigned long)(val) & 0xffbf); \ - asm volatile( "ldmxcsr %0" : : "m" (__mxcsr) ); \ -} while (0) - -/* - * Signal frame handlers... - */ -extern int save_i387( struct _fpstate *buf ); -extern int restore_i387( struct _fpstate *buf ); - -/* - * ptrace request handers... - */ -extern int get_fpregs( struct user_i387_struct *buf, - struct task_struct *tsk ); -extern int set_fpregs( struct task_struct *tsk, - struct user_i387_struct *buf ); - -extern int get_fpxregs( struct user_fxsr_struct *buf, - struct task_struct *tsk ); -extern int set_fpxregs( struct task_struct *tsk, - struct user_fxsr_struct *buf ); - -/* - * FPU state for core dumps... - */ -extern int dump_fpu( struct pt_regs *regs, - struct user_i387_struct *fpu ); -extern int dump_extended_fpu( struct pt_regs *regs, - struct user_fxsr_struct *fpu ); - -#endif /* __ASM_I386_I387_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h deleted file mode 100644 index 6ac787665c..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * linux/include/asm-i386/ide.h - * - * Copyright (C) 1994-1996 Linus Torvalds & authors - */ - -/* - * This file contains the i386 architecture specific IDE code. - */ - -#ifndef __ASMi386_IDE_H -#define __ASMi386_IDE_H - -#ifdef __KERNEL__ - -#include <linux/config.h> - -#ifndef MAX_HWIFS -# ifdef CONFIG_BLK_DEV_IDEPCI -#define MAX_HWIFS 10 -# else -#define MAX_HWIFS 6 -# endif -#endif - -#define ide__sti() __sti() - -static __inline__ int ide_default_irq(ide_ioreg_t base) -{ - switch (base) { - case 0x1f0: return 14; - case 0x170: return 15; - case 0x1e8: return 11; - case 0x168: return 10; - case 0x1e0: return 8; - case 0x160: return 12; - default: - return 0; - } -} - -static __inline__ ide_ioreg_t ide_default_io_base(int index) -{ - switch (index) { - case 0: return 0x1f0; - case 1: return 0x170; - case 2: return 0x1e8; - case 3: return 0x168; - case 4: return 0x1e0; - case 5: return 0x160; - default: - return 0; - } -} - -static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq) -{ - ide_ioreg_t reg = data_port; - int i; - - for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { - hw->io_ports[i] = reg; - reg += 1; - } - if (ctrl_port) { - hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port; - } else { - hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206; - } - if (irq != NULL) - *irq = 0; - hw->io_ports[IDE_IRQ_OFFSET] = 0; -} - -static __inline__ void ide_init_default_hwifs(void) -{ -#ifndef CONFIG_BLK_DEV_IDEPCI - hw_regs_t hw; - int index; - - for(index = 0; index < MAX_HWIFS; index++) { - ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL); - hw.irq = ide_default_irq(ide_default_io_base(index)); - ide_register_hw(&hw, NULL); - } -#endif /* CONFIG_BLK_DEV_IDEPCI */ -} - -typedef union { - unsigned all : 8; /* all of the bits together */ - struct { - unsigned head : 4; /* always zeros here */ - unsigned unit : 1; /* drive select number, 0 or 1 */ - unsigned bit5 : 1; /* always 1 */ - unsigned lba : 1; /* using LBA instead of CHS */ - unsigned bit7 : 1; /* always 1 */ - } b; - } select_t; - -#define ide_request_irq(irq,hand,flg,dev,id) request_irq((irq),(hand),(flg),(dev),(id)) -#define ide_free_irq(irq,dev_id) free_irq((irq), (dev_id)) -#define ide_check_region(from,extent) check_region((from), (extent)) -#define ide_request_region(from,extent,name) request_region((from), (extent), (name)) -#define ide_release_region(from,extent) release_region((from), (extent)) - -/* - * The following are not needed for the non-m68k ports - */ -#define ide_ack_intr(hwif) (1) -#define ide_fix_driveid(id) do {} while (0) -#define ide_release_lock(lock) do {} while (0) -#define ide_get_lock(lock, hdlr, data) do {} while (0) - -#endif /* __KERNEL__ */ - -#endif /* __ASMi386_IDE_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/init.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/init.h deleted file mode 100644 index 17d2155741..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/init.h +++ /dev/null @@ -1 +0,0 @@ -#error "<asm/init.h> should never be used - use <linux/init.h> instead" diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/io.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/io.h deleted file mode 100644 index 1afc7e4d68..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/io.h +++ /dev/null @@ -1,316 +0,0 @@ -#ifndef _ASM_IO_H -#define _ASM_IO_H - -#include <linux/config.h> -#include <asm/hypervisor.h> -/* - * This file contains the definitions for the x86 IO instructions - * inb/inw/inl/outb/outw/outl and the "string versions" of the same - * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing" - * versions of the single-IO instructions (inb_p/inw_p/..). - * - * This file is not meant to be obfuscating: it's just complicated - * to (a) handle it all in a way that makes gcc able to optimize it - * as well as possible and (b) trying to avoid writing the same thing - * over and over again with slight variations and possibly making a - * mistake somewhere. - */ - -/* - * Thanks to James van Artsdalen for a better timing-fix than - * the two short jumps: using outb's to a nonexistent port seems - * to guarantee better timings even on fast machines. - * - * On the other hand, I'd like to be sure of a non-existent port: - * I feel a bit unsafe about using 0x80 (should be safe, though) - * - * Linus - */ - - /* - * Bit simplified and optimized by Jan Hubicka - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999. - * - * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added, - * isa_read[wl] and isa_write[wl] fixed - * - Arnaldo Carvalho de Melo <acme@conectiva.com.br> - */ - -#define IO_SPACE_LIMIT 0xffff - -#define XQUAD_PORTIO_BASE 0xfe400000 -#define XQUAD_PORTIO_LEN 0x40000 /* 256k per quad. Only remapping 1st */ - -#ifdef __KERNEL__ - -#include <linux/vmalloc.h> - -/* - * Temporary debugging check to catch old code using - * unmapped ISA addresses. Will be removed in 2.4. - */ -#if CONFIG_DEBUG_IOVIRT - extern void *__io_virt_debug(unsigned long x, const char *file, int line); - extern unsigned long __io_phys_debug(unsigned long x, const char *file, int line); - #define __io_virt(x) __io_virt_debug((unsigned long)(x), __FILE__, __LINE__) -//#define __io_phys(x) __io_phys_debug((unsigned long)(x), __FILE__, __LINE__) -#else - #define __io_virt(x) ((void *)(x)) -//#define __io_phys(x) __pa(x) -#endif - -/* - * Change virtual addresses to physical addresses and vv. - * These are pretty trivial - */ -static inline unsigned long virt_to_phys(volatile void * address) -{ - return __pa(address); -} - -static inline void * phys_to_virt(unsigned long address) -{ - return __va(address); -} - -/* - * Change virtual addresses to machine addresses and vv. - * These are equally trivial. - */ - -/* - * Change "struct page" to physical address. - */ -#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) - -/* - * IO bus memory addresses are also 1:1 with the physical address - */ -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt -#define page_to_bus page_to_phys - -/* - * readX/writeX() are used to access memory mapped devices. On some - * architectures the memory mapped IO stuff needs to be accessed - * differently. On the x86 architecture, we just read/write the - * memory location directly. - */ - -#define readb(addr) (*(volatile unsigned char *) __io_virt(addr)) -#define readw(addr) (*(volatile unsigned short *) __io_virt(addr)) -#define readl(addr) (*(volatile unsigned int *) __io_virt(addr)) -#define __raw_readb readb -#define __raw_readw readw -#define __raw_readl readl - -#define writeb(b,addr) (*(volatile unsigned char *) __io_virt(addr) = (b)) -#define writew(b,addr) (*(volatile unsigned short *) __io_virt(addr) = (b)) -#define writel(b,addr) (*(volatile unsigned int *) __io_virt(addr) = (b)) -#define __raw_writeb writeb -#define __raw_writew writew -#define __raw_writel writel - -#define memset_io(a,b,c) memset(__io_virt(a),(b),(c)) -#define memcpy_fromio(a,b,c) memcpy((a),__io_virt(b),(c)) -#define memcpy_toio(a,b,c) memcpy(__io_virt(a),(b),(c)) - -/* - * ISA space is 'always mapped' on a typical x86 system, no need to - * explicitly ioremap() it. The fact that the ISA IO space is mapped - * to PAGE_OFFSET is pure coincidence - it does not mean ISA values - * are physical addresses. The following constant pointer can be - * used as the IO-area pointer (it can be iounmapped as well, so the - * analogy with PCI is quite large): - */ -#define __ISA_IO_base ((char *)(PAGE_OFFSET)) - -#define isa_readb(a) readb(__ISA_IO_base + (a)) -#define isa_readw(a) readw(__ISA_IO_base + (a)) -#define isa_readl(a) readl(__ISA_IO_base + (a)) -#define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a)) -#define isa_writew(w,a) writew(w,__ISA_IO_base + (a)) -#define isa_writel(l,a) writel(l,__ISA_IO_base + (a)) -#define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c)) - - -/* - * Again, i386 does not require mem IO specific function. - */ - -#define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),__io_virt(b),(c),(d)) -#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),__io_virt(__ISA_IO_base + (b)),(c),(d)) - -static inline int check_signature(unsigned long io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - -static inline int isa_check_signature(unsigned long io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (isa_readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - -/* - * Cache management - * - * This needed for two cases - * 1. Out of order aware processors - * 2. Accidentally out of order processors (PPro errata #51) - */ - -#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE) - -static inline void flush_write_buffers(void) -{ - __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory"); -} - -#define dma_cache_inv(_start,_size) flush_write_buffers() -#define dma_cache_wback(_start,_size) flush_write_buffers() -#define dma_cache_wback_inv(_start,_size) flush_write_buffers() - -#else - -/* Nothing to do */ - -#define dma_cache_inv(_start,_size) do { } while (0) -#define dma_cache_wback(_start,_size) do { } while (0) -#define dma_cache_wback_inv(_start,_size) do { } while (0) -#define flush_write_buffers() - -#endif - -#endif /* __KERNEL__ */ - -#ifdef SLOW_IO_BY_JUMPING -#define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:" -#else -#define __SLOW_DOWN_IO "\noutb %%al,$0x80" -#endif - -#ifdef REALLY_SLOW_IO -#define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO -#else -#define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO -#endif - -#ifdef CONFIG_MULTIQUAD -extern void *xquad_portio; /* Where the IO area was mapped */ -#endif /* CONFIG_MULTIQUAD */ - -/* - * Talk about misusing macros.. - */ -#define __OUT1(s,x) \ -static inline void out##s(unsigned x value, unsigned short port) { - -#define __OUT2(s,s1,s2) \ -__asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1" - -#ifdef CONFIG_MULTIQUAD -/* Make the default portio routines operate on quad 0 for now */ -#define __OUT(s,s1,x) \ -__OUT1(s##_local,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \ -__OUT1(s##_p_local,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} \ -__OUTQ0(s,s,x) \ -__OUTQ0(s,s##_p,x) -#else -#define __OUT(s,s1,x) \ -__OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \ -__OUT1(s##_p,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} -#endif /* CONFIG_MULTIQUAD */ - -#ifdef CONFIG_MULTIQUAD -#define __OUTQ0(s,ss,x) /* Do the equivalent of the portio op on quad 0 */ \ -static inline void out##ss(unsigned x value, unsigned short port) { \ - if (xquad_portio) \ - write##s(value, (unsigned long) xquad_portio + port); \ - else /* We're still in early boot, running on quad 0 */ \ - out##ss##_local(value, port); \ -} - -#define __INQ0(s,ss) /* Do the equivalent of the portio op on quad 0 */ \ -static inline RETURN_TYPE in##ss(unsigned short port) { \ - if (xquad_portio) \ - return read##s((unsigned long) xquad_portio + port); \ - else /* We're still in early boot, running on quad 0 */ \ - return in##ss##_local(port); \ -} -#endif /* CONFIG_MULTIQUAD */ - -#define __IN1(s) \ -static inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v; - -#define __IN2(s,s1,s2) \ -__asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0" - -#ifdef CONFIG_MULTIQUAD -#define __IN(s,s1,i...) \ -__IN1(s##_local) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \ -__IN1(s##_p_local) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \ -__INQ0(s,s) \ -__INQ0(s,s##_p) -#else -#define __IN(s,s1,i...) \ -__IN1(s) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \ -__IN1(s##_p) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i ); return _v; } -#endif /* CONFIG_MULTIQUAD */ - -#define __INS(s) \ -static inline void ins##s(unsigned short port, void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("rep ; ins" #s \ -: "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } - -#define __OUTS(s) \ -static inline void outs##s(unsigned short port, const void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("rep ; outs" #s \ -: "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } - -#define RETURN_TYPE unsigned char -__IN(b,"") -#undef RETURN_TYPE -#define RETURN_TYPE unsigned short -__IN(w,"") -#undef RETURN_TYPE -#define RETURN_TYPE unsigned int -__IN(l,"") -#undef RETURN_TYPE - -__OUT(b,"b",char) -__OUT(w,"w",short) -__OUT(l,,int) - -__INS(b) -__INS(w) -__INS(l) - -__OUTS(b) -__OUTS(w) -__OUTS(l) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/io_apic.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/io_apic.h deleted file mode 100644 index b132819e08..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/io_apic.h +++ /dev/null @@ -1,147 +0,0 @@ -#ifndef __ASM_IO_APIC_H -#define __ASM_IO_APIC_H - -#include <linux/config.h> -#include <asm/types.h> - -/* - * Intel IO-APIC support for SMP and UP systems. - * - * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar - */ - -#ifdef CONFIG_X86_IO_APIC - -#define APIC_MISMATCH_DEBUG - -#define IO_APIC_BASE(idx) \ - ((volatile int *)__fix_to_virt(FIX_IO_APIC_BASE_0 + idx)) - -/* - * The structure of the IO-APIC: - */ -struct IO_APIC_reg_00 { - __u32 __reserved_2 : 24, - ID : 4, - __reserved_1 : 4; -} __attribute__ ((packed)); - -struct IO_APIC_reg_01 { - __u32 version : 8, - __reserved_2 : 7, - PRQ : 1, - entries : 8, - __reserved_1 : 8; -} __attribute__ ((packed)); - -struct IO_APIC_reg_02 { - __u32 __reserved_2 : 24, - arbitration : 4, - __reserved_1 : 4; -} __attribute__ ((packed)); - -/* - * # of IO-APICs and # of IRQ routing registers - */ -extern int nr_ioapics; -extern int nr_ioapic_registers[MAX_IO_APICS]; - -enum ioapic_irq_destination_types { - dest_Fixed = 0, - dest_LowestPrio = 1, - dest_SMI = 2, - dest__reserved_1 = 3, - dest_NMI = 4, - dest_INIT = 5, - dest__reserved_2 = 6, - dest_ExtINT = 7 -}; - -struct IO_APIC_route_entry { - __u32 vector : 8, - delivery_mode : 3, /* 000: FIXED - * 001: lowest prio - * 111: ExtINT - */ - dest_mode : 1, /* 0: physical, 1: logical */ - delivery_status : 1, - polarity : 1, - irr : 1, - trigger : 1, /* 0: edge, 1: level */ - mask : 1, /* 0: enabled, 1: disabled */ - __reserved_2 : 15; - - union { struct { __u32 - __reserved_1 : 24, - physical_dest : 4, - __reserved_2 : 4; - } physical; - - struct { __u32 - __reserved_1 : 24, - logical_dest : 8; - } logical; - } dest; - -} __attribute__ ((packed)); - -/* - * MP-BIOS irq configuration table structures: - */ - -/* I/O APIC entries */ -extern struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS]; - -/* # of MP IRQ source entries */ -extern int mp_irq_entries; - -/* MP IRQ source entries */ -extern struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; - -/* non-0 if default (table-less) MP configuration */ -extern int mpc_default_type; - -static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg) -{ - *IO_APIC_BASE(apic) = reg; - return *(IO_APIC_BASE(apic)+4); -} - -static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value) -{ - *IO_APIC_BASE(apic) = reg; - *(IO_APIC_BASE(apic)+4) = value; -} - -/* - * Re-write a value: to be used for read-modify-write - * cycles where the read already set up the index register. - */ -static inline void io_apic_modify(unsigned int apic, unsigned int value) -{ - *(IO_APIC_BASE(apic)+4) = value; -} - -/* - * Synchronize the IO-APIC and the CPU by doing - * a dummy read from the IO-APIC - */ -static inline void io_apic_sync(unsigned int apic) -{ - (void) *(IO_APIC_BASE(apic)+4); -} - -/* 1 if "noapic" boot option passed */ -extern int skip_ioapic_setup; - -/* - * If we use the IO-APIC for IRQ routing, disable automatic - * assignment of PCI IRQ's. - */ -#define io_apic_assign_pci_irqs (mp_irq_entries && !skip_ioapic_setup) - -#else /* !CONFIG_X86_IO_APIC */ -#define io_apic_assign_pci_irqs 0 -#endif - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctl.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctl.h deleted file mode 100644 index c75f20ade6..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctl.h +++ /dev/null @@ -1,75 +0,0 @@ -/* $Id: ioctl.h,v 1.5 1993/07/19 21:53:50 root Exp root $ - * - * linux/ioctl.h for Linux by H.H. Bergman. - */ - -#ifndef _ASMI386_IOCTL_H -#define _ASMI386_IOCTL_H - -/* ioctl command encoding: 32 bits total, command in lower 16 bits, - * size of the parameter structure in the lower 14 bits of the - * upper 16 bits. - * Encoding the size of the parameter structure in the ioctl request - * is useful for catching programs compiled with old versions - * and to avoid overwriting user space outside the user buffer area. - * The highest 2 bits are reserved for indicating the ``access mode''. - * NOTE: This limits the max parameter size to 16kB -1 ! - */ - -/* - * The following is for compatibility across the various Linux - * platforms. The i386 ioctl numbering scheme doesn't really enforce - * a type field. De facto, however, the top 8 bits of the lower 16 - * bits are indeed used as a type field, so we might just as well make - * this explicit here. Please be sure to use the decoding macros - * below from now on. - */ -#define _IOC_NRBITS 8 -#define _IOC_TYPEBITS 8 -#define _IOC_SIZEBITS 14 -#define _IOC_DIRBITS 2 - -#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1) -#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1) -#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1) -#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1) - -#define _IOC_NRSHIFT 0 -#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS) -#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS) -#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS) - -/* - * Direction bits. - */ -#define _IOC_NONE 0U -#define _IOC_WRITE 1U -#define _IOC_READ 2U - -#define _IOC(dir,type,nr,size) \ - (((dir) << _IOC_DIRSHIFT) | \ - ((type) << _IOC_TYPESHIFT) | \ - ((nr) << _IOC_NRSHIFT) | \ - ((size) << _IOC_SIZESHIFT)) - -/* used to create numbers */ -#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) -#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size)) -#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size)) -#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size)) - -/* used to decode ioctl numbers.. */ -#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) -#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) -#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) -#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK) - -/* ...and for the drivers/sound files... */ - -#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT) -#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT) -#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT) -#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT) -#define IOCSIZE_SHIFT (_IOC_SIZESHIFT) - -#endif /* _ASMI386_IOCTL_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctls.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctls.h deleted file mode 100644 index 9fc340a8aa..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ioctls.h +++ /dev/null @@ -1,82 +0,0 @@ -#ifndef __ARCH_I386_IOCTLS_H__ -#define __ARCH_I386_IOCTLS_H__ - -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */ -#define TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */ - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ipc.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ipc.h deleted file mode 100644 index 36f43063ad..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ipc.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __i386_IPC_H__ -#define __i386_IPC_H__ - -/* - * These are used to wrap system calls on x86. - * - * See arch/i386/kernel/sys_i386.c for ugly details.. - */ -struct ipc_kludge { - struct msgbuf *msgp; - long msgtyp; -}; - -#define SEMOP 1 -#define SEMGET 2 -#define SEMCTL 3 -#define MSGSND 11 -#define MSGRCV 12 -#define MSGGET 13 -#define MSGCTL 14 -#define SHMAT 21 -#define SHMDT 22 -#define SHMGET 23 -#define SHMCTL 24 - -/* Used by the DIPC package, try and avoid reusing it */ -#define DIPC 25 - -#define IPCCALL(version,op) ((version)<<16 | (op)) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ipcbuf.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ipcbuf.h deleted file mode 100644 index 0dcad4f84c..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ipcbuf.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef __i386_IPCBUF_H__ -#define __i386_IPCBUF_H__ - -/* - * The ipc64_perm structure for i386 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __i386_IPCBUF_H__ */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/irq.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/irq.h deleted file mode 100644 index 619353e696..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/irq.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef _ASM_IRQ_H -#define _ASM_IRQ_H - -/* - * linux/include/asm/irq.h - * - * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar - * - * IRQ/IPI changes taken from work by Thomas Radke - * <tomsoft@informatik.tu-chemnitz.de> - */ - -#include <linux/config.h> -#include <asm/hypervisor.h> -#include <asm/ptrace.h> - -#define NET_TX_IRQ _EVENT_NET_TX -#define NET_RX_IRQ _EVENT_NET_RX -#define NET2_TX_IRQ _EVENT_NET2_TX -#define NET2_RX_IRQ _EVENT_NET2_RX -#define TIMER_IRQ _EVENT_TIMER - -#define NR_IRQS (sizeof(HYPERVISOR_shared_info->events) * 8) - -#define irq_cannonicalize(_irq) (_irq) - -extern void disable_irq(unsigned int); -extern void disable_irq_nosync(unsigned int); -extern void enable_irq(unsigned int); -extern unsigned int do_IRQ(int, struct pt_regs *); - -#endif /* _ASM_IRQ_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/kdb.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/kdb.h deleted file mode 100644 index 315bde8adf..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/kdb.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Minimalist Kernel Debugger - * - * Copyright (C) 1999 Silicon Graphics, Inc. - * Copyright (C) Scott Lurndal (slurn@engr.sgi.com) - * Copyright (C) Scott Foehner (sfoehner@engr.sgi.com) - * Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com) - * - * See the file LIA-COPYRIGHT for additional information. - * - * Written March 1999 by Scott Lurndal at Silicon Graphics, Inc. - * - * Modifications from: - * Richard Bass 1999/07/20 - * Many bug fixes and enhancements. - * Scott Foehner - * Port to ia64 - * Scott Lurndal 1999/12/12 - * v1.0 restructuring. - */ -#if !defined(_ASM_KDB_H) -#define _ASM_KDB_H - - /* - * KDB_ENTER() is a macro which causes entry into the kernel - * debugger from any point in the kernel code stream. If it - * is intended to be used from interrupt level, it must use - * a non-maskable entry method. - */ -#define KDB_ENTER() asm("\tint $129\n") - - /* - * Define the exception frame for this architeture - */ -struct pt_regs; -typedef struct pt_regs *kdb_eframe_t; - - /* - * Needed for exported symbols. - */ -typedef unsigned long kdb_machreg_t; - -#define kdb_machreg_fmt "0x%lx" -#define kdb_machreg_fmt0 "0x%08lx" -#define kdb_bfd_vma_fmt "0x%lx" -#define kdb_bfd_vma_fmt0 "0x%08lx" -#define kdb_elfw_addr_fmt "0x%x" -#define kdb_elfw_addr_fmt0 "0x%08x" - - /* - * Per cpu arch specific kdb state. Must be in range 0xff000000. - */ -#define KDB_STATE_A_IF 0x01000000 /* Saved IF flag */ - - /* - * Interface from kernel trap handling code to kernel debugger. - */ -extern int kdba_callback_die(struct pt_regs *, int, long, void*); -extern int kdba_callback_bp(struct pt_regs *, int, long, void*); -extern int kdba_callback_debug(struct pt_regs *, int, long, void *); - -#endif /* ASM_KDB_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/kdbprivate.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/kdbprivate.h deleted file mode 100644 index 7bbd86b70a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/kdbprivate.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Minimalist Kernel Debugger - * - * Copyright (C) 1999 Silicon Graphics, Inc. - * Copyright (C) Scott Lurndal (slurn@engr.sgi.com) - * Copyright (C) Scott Foehner (sfoehner@engr.sgi.com) - * Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com) - * - * See the file LIA-COPYRIGHT for additional information. - * - * Written March 1999 by Scott Lurndal at Silicon Graphics, Inc. - * - * Modifications from: - * Richard Bass 1999/07/20 - * Many bug fixes and enhancements. - * Scott Foehner - * Port to ia64 - * Scott Lurndal 1999/12/12 - * v1.0 restructuring. - * Keith Owens 2000/05/23 - * KDB v1.2 - */ -#if !defined(_ASM_KDBPRIVATE_H) -#define _ASM_KDBPRIVATE_H - -typedef unsigned char kdb_machinst_t; - - /* - * KDB_MAXBPT describes the total number of breakpoints - * supported by this architecure. - */ -#define KDB_MAXBPT 16 - /* - * KDB_MAXHARDBPT describes the total number of hardware - * breakpoint registers that exist. - */ -#define KDB_MAXHARDBPT 4 - /* - * Provide space for KDB_MAX_COMMANDS commands. - */ -#define KDB_MAX_COMMANDS 125 - - /* - * Platform specific environment entries - */ -#define KDB_PLATFORM_ENV "IDMODE=x86", "BYTESPERWORD=4", "IDCOUNT=16" - - /* - * Define the direction that the stack grows - */ -#define KDB_STACK_DIRECTION (-1) /* Stack grows down */ - - /* - * Support for ia32 debug registers - */ -typedef struct _kdbhard_bp { - kdb_machreg_t bph_reg; /* Register this breakpoint uses */ - - unsigned int bph_free:1; /* Register available for use */ - unsigned int bph_data:1; /* Data Access breakpoint */ - - unsigned int bph_write:1; /* Write Data breakpoint */ - unsigned int bph_mode:2; /* 0=inst, 1=write, 2=io, 3=read */ - unsigned int bph_length:2; /* 0=1, 1=2, 2=BAD, 3=4 (bytes) */ -} kdbhard_bp_t; - -extern kdbhard_bp_t kdb_hardbreaks[/* KDB_MAXHARDBPT */]; - -#define IA32_BREAKPOINT_INSTRUCTION 0xcc - -#define DR6_BT 0x00008000 -#define DR6_BS 0x00004000 -#define DR6_BD 0x00002000 - -#define DR6_B3 0x00000008 -#define DR6_B2 0x00000004 -#define DR6_B1 0x00000002 -#define DR6_B0 0x00000001 - -#define DR7_RW_VAL(dr, drnum) \ - (((dr) >> (16 + (4 * (drnum)))) & 0x3) - -#define DR7_RW_SET(dr, drnum, rw) \ - do { \ - (dr) &= ~(0x3 << (16 + (4 * (drnum)))); \ - (dr) |= (((rw) & 0x3) << (16 + (4 * (drnum)))); \ - } while (0) - -#define DR7_RW0(dr) DR7_RW_VAL(dr, 0) -#define DR7_RW0SET(dr,rw) DR7_RW_SET(dr, 0, rw) -#define DR7_RW1(dr) DR7_RW_VAL(dr, 1) -#define DR7_RW1SET(dr,rw) DR7_RW_SET(dr, 1, rw) -#define DR7_RW2(dr) DR7_RW_VAL(dr, 2) -#define DR7_RW2SET(dr,rw) DR7_RW_SET(dr, 2, rw) -#define DR7_RW3(dr) DR7_RW_VAL(dr, 3) -#define DR7_RW3SET(dr,rw) DR7_RW_SET(dr, 3, rw) - - -#define DR7_LEN_VAL(dr, drnum) \ - (((dr) >> (18 + (4 * (drnum)))) & 0x3) - -#define DR7_LEN_SET(dr, drnum, rw) \ - do { \ - (dr) &= ~(0x3 << (18 + (4 * (drnum)))); \ - (dr) |= (((rw) & 0x3) << (18 + (4 * (drnum)))); \ - } while (0) -#define DR7_LEN0(dr) DR7_LEN_VAL(dr, 0) -#define DR7_LEN0SET(dr,len) DR7_LEN_SET(dr, 0, len) -#define DR7_LEN1(dr) DR7_LEN_VAL(dr, 1) -#define DR7_LEN1SET(dr,len) DR7_LEN_SET(dr, 1, len) -#define DR7_LEN2(dr) DR7_LEN_VAL(dr, 2) -#define DR7_LEN2SET(dr,len) DR7_LEN_SET(dr, 2, len) -#define DR7_LEN3(dr) DR7_LEN_VAL(dr, 3) -#define DR7_LEN3SET(dr,len) DR7_LEN_SET(dr, 3, len) - -#define DR7_G0(dr) (((dr)>>1)&0x1) -#define DR7_G0SET(dr) ((dr) |= 0x2) -#define DR7_G0CLR(dr) ((dr) &= ~0x2) -#define DR7_G1(dr) (((dr)>>3)&0x1) -#define DR7_G1SET(dr) ((dr) |= 0x8) -#define DR7_G1CLR(dr) ((dr) &= ~0x8) -#define DR7_G2(dr) (((dr)>>5)&0x1) -#define DR7_G2SET(dr) ((dr) |= 0x20) -#define DR7_G2CLR(dr) ((dr) &= ~0x20) -#define DR7_G3(dr) (((dr)>>7)&0x1) -#define DR7_G3SET(dr) ((dr) |= 0x80) -#define DR7_G3CLR(dr) ((dr) &= ~0x80) - -#define DR7_L0(dr) (((dr))&0x1) -#define DR7_L0SET(dr) ((dr) |= 0x1) -#define DR7_L0CLR(dr) ((dr) &= ~0x1) -#define DR7_L1(dr) (((dr)>>2)&0x1) -#define DR7_L1SET(dr) ((dr) |= 0x4) -#define DR7_L1CLR(dr) ((dr) &= ~0x4) -#define DR7_L2(dr) (((dr)>>4)&0x1) -#define DR7_L2SET(dr) ((dr) |= 0x10) -#define DR7_L2CLR(dr) ((dr) &= ~0x10) -#define DR7_L3(dr) (((dr)>>6)&0x1) -#define DR7_L3SET(dr) ((dr) |= 0x40) -#define DR7_L3CLR(dr) ((dr) &= ~0x40) - -#define DR7_GD 0x00002000 /* General Detect Enable */ -#define DR7_GE 0x00000200 /* Global exact */ -#define DR7_LE 0x00000100 /* Local exact */ - -extern kdb_machreg_t kdba_getdr6(void); -extern void kdba_putdr6(kdb_machreg_t); - -extern kdb_machreg_t kdba_getdr7(void); - -extern kdb_machreg_t kdba_getdr(int); -extern void kdba_putdr(int, kdb_machreg_t); - -extern kdb_machreg_t kdb_getcr(int); - -#define KDB_HAVE_LONGJMP -#ifdef KDB_HAVE_LONGJMP -/* - * Support for setjmp/longjmp - */ -#define JB_BX 0 -#define JB_SI 1 -#define JB_DI 2 -#define JB_BP 3 -#define JB_SP 4 -#define JB_PC 5 - -typedef struct __kdb_jmp_buf { - unsigned long regs[6]; /* kdba_setjmp assumes fixed offsets here */ -} kdb_jmp_buf; - -extern int kdba_setjmp(kdb_jmp_buf *); -extern void kdba_longjmp(kdb_jmp_buf *, int); - -extern kdb_jmp_buf kdbjmpbuf[]; -#endif /* KDB_HAVE_LONGJMP */ - -#endif /* !_ASM_KDBPRIVATE_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/keyboard.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/keyboard.h deleted file mode 100644 index 3b41967cbe..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/keyboard.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * linux/include/asm-i386/keyboard.h - * - * Created 3 Nov 1996 by Geert Uytterhoeven - */ - -/* - * This file contains the i386 architecture specific keyboard definitions - */ - -#ifndef _I386_KEYBOARD_H -#define _I386_KEYBOARD_H - -#ifdef __KERNEL__ - -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/kd.h> -#include <linux/pm.h> -#include <asm/io.h> - -#define KEYBOARD_IRQ 1 -#define DISABLE_KBD_DURING_INTERRUPTS 0 - -extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode); -extern int pckbd_getkeycode(unsigned int scancode); -extern int pckbd_translate(unsigned char scancode, unsigned char *keycode, - char raw_mode); -extern char pckbd_unexpected_up(unsigned char keycode); -extern void pckbd_leds(unsigned char leds); -extern void pckbd_init_hw(void); -extern int pckbd_pm_resume(struct pm_dev *, pm_request_t, void *); -extern pm_callback pm_kbd_request_override; -extern unsigned char pckbd_sysrq_xlate[128]; - -#define kbd_setkeycode pckbd_setkeycode -#define kbd_getkeycode pckbd_getkeycode -#define kbd_translate pckbd_translate -#define kbd_unexpected_up pckbd_unexpected_up -#define kbd_leds pckbd_leds -#define kbd_init_hw pckbd_init_hw -#define kbd_sysrq_xlate pckbd_sysrq_xlate - -#define SYSRQ_KEY 0x54 -#define E1_PAUSE 119 /* PAUSE key */ - -/* resource allocation */ -#define kbd_request_region() -#define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \ - "keyboard", NULL) - -/* How to access the keyboard macros on this platform. */ -#define kbd_read_input() inb(KBD_DATA_REG) -#define kbd_read_status() inb(KBD_STATUS_REG) -#define kbd_write_output(val) outb(val, KBD_DATA_REG) -#define kbd_write_command(val) outb(val, KBD_CNTL_REG) - -/* Some stoneage hardware needs delays after some operations. */ -#define kbd_pause() do { } while(0) - -/* - * Machine specific bits for the PS/2 driver - */ - -#define AUX_IRQ 12 - -#define aux_request_irq(hand, dev_id) \ - request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id) - -#define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id) - -#endif /* __KERNEL__ */ -#endif /* _I386_KEYBOARD_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/kmap_types.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/kmap_types.h deleted file mode 100644 index 5107c3db16..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/kmap_types.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef _ASM_KMAP_TYPES_H -#define _ASM_KMAP_TYPES_H - -enum km_type { - KM_BOUNCE_READ, - KM_SKB_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_TYPE_NR -}; - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ldt.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ldt.h deleted file mode 100644 index 9d1110f984..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ldt.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ldt.h - * - * Definitions of structures used with the modify_ldt system call. - */ -#ifndef _LINUX_LDT_H -#define _LINUX_LDT_H - -/* Maximum number of LDT entries supported. */ -#define LDT_ENTRIES 8192 -/* The size of each LDT entry. */ -#define LDT_ENTRY_SIZE 8 - -#ifndef __ASSEMBLY__ -struct modify_ldt_ldt_s { - unsigned int entry_number; - unsigned long base_addr; - unsigned int limit; - unsigned int seg_32bit:1; - unsigned int contents:2; - unsigned int read_exec_only:1; - unsigned int limit_in_pages:1; - unsigned int seg_not_present:1; - unsigned int useable:1; -}; - -#define MODIFY_LDT_CONTENTS_DATA 0 -#define MODIFY_LDT_CONTENTS_STACK 1 -#define MODIFY_LDT_CONTENTS_CODE 2 - -#endif /* !__ASSEMBLY__ */ -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/linux_logo.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/linux_logo.h deleted file mode 100644 index 1e2fe6c899..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/linux_logo.h +++ /dev/null @@ -1,27 +0,0 @@ -/* $Id: linux_logo.h,v 1.8 1998/07/30 16:30:24 jj Exp $ - * include/asm-i386/linux_logo.h: This is a linux logo - * to be displayed on boot. - * - * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu) - * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * - * You can put anything here, but: - * LINUX_LOGO_COLORS has to be less than 224 - * image size has to be 80x80 - * values have to start from 0x20 - * (i.e. RGB(linux_logo_red[0], - * linux_logo_green[0], - * linux_logo_blue[0]) is color 0x20) - * BW image has to be 80x80 as well, with MS bit - * on the left - * Serial_console ascii image can be any size, - * but should contain %s to display the version - */ - -#include <linux/init.h> -#include <linux/version.h> - -#define linux_logo_banner "Linux/ia32 version " UTS_RELEASE - -#include <linux/linux_logo.h> - diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/locks.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/locks.h deleted file mode 100644 index ffcab0afb6..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/locks.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * SMP locks primitives for building ix86 locks - * (not yet used). - * - * Alan Cox, alan@redhat.com, 1995 - */ - -/* - * This would be much easier but far less clear and easy - * to borrow for other processors if it was just assembler. - */ - -static __inline__ void prim_spin_lock(struct spinlock *sp) -{ - int processor=smp_processor_id(); - - /* - * Grab the lock bit - */ - - while(lock_set_bit(0,&sp->lock)) - { - /* - * Failed, but that's cos we own it! - */ - - if(sp->cpu==processor) - { - sp->users++; - return 0; - } - /* - * Spin in the cache S state if possible - */ - while(sp->lock) - { - /* - * Wait for any invalidates to go off - */ - - if(smp_invalidate_needed&(1<<processor)) - while(lock_clear_bit(processor,&smp_invalidate_needed)) - local_flush_tlb(); - sp->spins++; - } - /* - * Someone wrote the line, we go 'I' and get - * the cache entry. Now try to regrab - */ - } - sp->users++;sp->cpu=processor; - return 1; -} - -/* - * Release a spin lock - */ - -static __inline__ int prim_spin_unlock(struct spinlock *sp) -{ - /* This is safe. The decrement is still guarded by the lock. A multilock would - not be safe this way */ - if(!--sp->users) - { - sp->cpu= NO_PROC_ID;lock_clear_bit(0,&sp->lock); - return 1; - } - return 0; -} - - -/* - * Non blocking lock grab - */ - -static __inline__ int prim_spin_lock_nb(struct spinlock *sp) -{ - if(lock_set_bit(0,&sp->lock)) - return 0; /* Locked already */ - sp->users++; - return 1; /* We got the lock */ -} - - -/* - * These wrap the locking primitives up for usage - */ - -static __inline__ void spinlock(struct spinlock *sp) -{ - if(sp->priority<current->lock_order) - panic("lock order violation: %s (%d)\n", sp->name, current->lock_order); - if(prim_spin_lock(sp)) - { - /* - * We got a new lock. Update the priority chain - */ - sp->oldpri=current->lock_order; - current->lock_order=sp->priority; - } -} - -static __inline__ void spinunlock(struct spinlock *sp) -{ - int pri; - if(current->lock_order!=sp->priority) - panic("lock release order violation %s (%d)\n", sp->name, current->lock_order); - pri=sp->oldpri; - if(prim_spin_unlock(sp)) - { - /* - * Update the debugging lock priority chain. We dumped - * our last right to the lock. - */ - current->lock_order=sp->pri; - } -} - -static __inline__ void spintestlock(struct spinlock *sp) -{ - /* - * We do no sanity checks, it's legal to optimistically - * get a lower lock. - */ - prim_spin_lock_nb(sp); -} - -static __inline__ void spintestunlock(struct spinlock *sp) -{ - /* - * A testlock doesn't update the lock chain so we - * must not update it on free - */ - prim_spin_unlock(sp); -} diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/math_emu.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/math_emu.h deleted file mode 100644 index bc8421d5e5..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/math_emu.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef _I386_MATH_EMU_H -#define _I386_MATH_EMU_H - -#include <asm/sigcontext.h> - -int restore_i387_soft(void *s387, struct _fpstate *buf); -int save_i387_soft(void *s387, struct _fpstate * buf); - -/* This structure matches the layout of the data saved to the stack - following a device-not-present interrupt, part of it saved - automatically by the 80386/80486. - */ -struct info { - long ___orig_eip; - long ___ebx; - long ___ecx; - long ___edx; - long ___esi; - long ___edi; - long ___ebp; - long ___eax; - long ___ds; - long ___es; - long ___orig_eax; - long ___eip; - long ___cs; - long ___eflags; - long ___esp; - long ___ss; - long ___vm86_es; /* This and the following only in vm86 mode */ - long ___vm86_ds; - long ___vm86_fs; - long ___vm86_gs; -}; -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mc146818rtc.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mc146818rtc.h deleted file mode 100644 index d6e3009430..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mc146818rtc.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Machine dependent access functions for RTC registers. - */ -#ifndef _ASM_MC146818RTC_H -#define _ASM_MC146818RTC_H - -#include <asm/io.h> - -#ifndef RTC_PORT -#define RTC_PORT(x) (0x70 + (x)) -#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */ -#endif - -/* - * The yet supported machines all access the RTC index register via - * an ISA port access but the way to access the date register differs ... - */ -#define CMOS_READ(addr) ({ \ -outb_p((addr),RTC_PORT(0)); \ -inb_p(RTC_PORT(1)); \ -}) -#define CMOS_WRITE(val, addr) ({ \ -outb_p((addr),RTC_PORT(0)); \ -outb_p((val),RTC_PORT(1)); \ -}) - -#define RTC_IRQ 8 - -#endif /* _ASM_MC146818RTC_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mca_dma.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mca_dma.h deleted file mode 100644 index 4b3b526c5a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mca_dma.h +++ /dev/null @@ -1,202 +0,0 @@ -#ifndef MCA_DMA_H -#define MCA_DMA_H - -#include <asm/io.h> -#include <linux/ioport.h> - -/* - * Microchannel specific DMA stuff. DMA on an MCA machine is fairly similar to - * standard PC dma, but it certainly has its quirks. DMA register addresses - * are in a different place and there are some added functions. Most of this - * should be pretty obvious on inspection. Note that the user must divide - * count by 2 when using 16-bit dma; that is not handled by these functions. - * - * Ramen Noodles are yummy. - * - * 1998 Tymm Twillman <tymm@computer.org> - */ - -/* - * Registers that are used by the DMA controller; FN is the function register - * (tell the controller what to do) and EXE is the execution register (how - * to do it) - */ - -#define MCA_DMA_REG_FN 0x18 -#define MCA_DMA_REG_EXE 0x1A - -/* - * Functions that the DMA controller can do - */ - -#define MCA_DMA_FN_SET_IO 0x00 -#define MCA_DMA_FN_SET_ADDR 0x20 -#define MCA_DMA_FN_GET_ADDR 0x30 -#define MCA_DMA_FN_SET_COUNT 0x40 -#define MCA_DMA_FN_GET_COUNT 0x50 -#define MCA_DMA_FN_GET_STATUS 0x60 -#define MCA_DMA_FN_SET_MODE 0x70 -#define MCA_DMA_FN_SET_ARBUS 0x80 -#define MCA_DMA_FN_MASK 0x90 -#define MCA_DMA_FN_RESET_MASK 0xA0 -#define MCA_DMA_FN_MASTER_CLEAR 0xD0 - -/* - * Modes (used by setting MCA_DMA_FN_MODE in the function register) - * - * Note that the MODE_READ is read from memory (write to device), and - * MODE_WRITE is vice-versa. - */ - -#define MCA_DMA_MODE_XFER 0x04 /* read by default */ -#define MCA_DMA_MODE_READ 0x04 /* same as XFER */ -#define MCA_DMA_MODE_WRITE 0x08 /* OR with MODE_XFER to use */ -#define MCA_DMA_MODE_IO 0x01 /* DMA from IO register */ -#define MCA_DMA_MODE_16 0x40 /* 16 bit xfers */ - - -/** - * mca_enable_dma - channel to enable DMA on - * @dmanr: DMA channel - * - * Enable the MCA bus DMA on a channel. This can be called from - * IRQ context. - */ - -static __inline__ void mca_enable_dma(unsigned int dmanr) -{ - outb(MCA_DMA_FN_RESET_MASK | dmanr, MCA_DMA_REG_FN); -} - -/** - * mca_disble_dma - channel to disable DMA on - * @dmanr: DMA channel - * - * Enable the MCA bus DMA on a channel. This can be called from - * IRQ context. - */ - -static __inline__ void mca_disable_dma(unsigned int dmanr) -{ - outb(MCA_DMA_FN_MASK | dmanr, MCA_DMA_REG_FN); -} - -/** - * mca_set_dma_addr - load a 24bit DMA address - * @dmanr: DMA channel - * @a: 24bit bus address - * - * Load the address register in the DMA controller. This has a 24bit - * limitation (16Mb). - */ - -static __inline__ void mca_set_dma_addr(unsigned int dmanr, unsigned int a) -{ - outb(MCA_DMA_FN_SET_ADDR | dmanr, MCA_DMA_REG_FN); - outb(a & 0xff, MCA_DMA_REG_EXE); - outb((a >> 8) & 0xff, MCA_DMA_REG_EXE); - outb((a >> 16) & 0xff, MCA_DMA_REG_EXE); -} - -/** - * mca_get_dma_addr - load a 24bit DMA address - * @dmanr: DMA channel - * - * Read the address register in the DMA controller. This has a 24bit - * limitation (16Mb). The return is a bus address. - */ - -static __inline__ unsigned int mca_get_dma_addr(unsigned int dmanr) -{ - unsigned int addr; - - outb(MCA_DMA_FN_GET_ADDR | dmanr, MCA_DMA_REG_FN); - addr = inb(MCA_DMA_REG_EXE); - addr |= inb(MCA_DMA_REG_EXE) << 8; - addr |= inb(MCA_DMA_REG_EXE) << 16; - - return addr; -} - -/** - * mca_set_dma_count - load a 16bit transfer count - * @dmanr: DMA channel - * @count: count - * - * Set the DMA count for this channel. This can be up to 64Kbytes. - * Setting a count of zero will not do what you expect. - */ - -static __inline__ void mca_set_dma_count(unsigned int dmanr, unsigned int count) -{ - count--; /* transfers one more than count -- correct for this */ - - outb(MCA_DMA_FN_SET_COUNT | dmanr, MCA_DMA_REG_FN); - outb(count & 0xff, MCA_DMA_REG_EXE); - outb((count >> 8) & 0xff, MCA_DMA_REG_EXE); -} - -/** - * mca_get_dma_residue - get the remaining bytes to transfer - * @dmanr: DMA channel - * - * This function returns the number of bytes left to transfer - * on this DMA channel. - */ - -static __inline__ unsigned int mca_get_dma_residue(unsigned int dmanr) -{ - unsigned short count; - - outb(MCA_DMA_FN_GET_COUNT | dmanr, MCA_DMA_REG_FN); - count = 1 + inb(MCA_DMA_REG_EXE); - count += inb(MCA_DMA_REG_EXE) << 8; - - return count; -} - -/** - * mca_set_dma_io - set the port for an I/O transfer - * @dmanr: DMA channel - * @io_addr: an I/O port number - * - * Unlike the ISA bus DMA controllers the DMA on MCA bus can transfer - * with an I/O port target. - */ - -static __inline__ void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr) -{ - /* - * DMA from a port address -- set the io address - */ - - outb(MCA_DMA_FN_SET_IO | dmanr, MCA_DMA_REG_FN); - outb(io_addr & 0xff, MCA_DMA_REG_EXE); - outb((io_addr >> 8) & 0xff, MCA_DMA_REG_EXE); -} - -/** - * mca_set_dma_mode - set the DMA mode - * @dmanr: DMA channel - * @mode: mode to set - * - * The DMA controller supports several modes. The mode values you can - * set are : - * - * %MCA_DMA_MODE_READ when reading from the DMA device. - * - * %MCA_DMA_MODE_WRITE to writing to the DMA device. - * - * %MCA_DMA_MODE_IO to do DMA to or from an I/O port. - * - * %MCA_DMA_MODE_16 to do 16bit transfers. - * - */ - -static __inline__ void mca_set_dma_mode(unsigned int dmanr, unsigned int mode) -{ - outb(MCA_DMA_FN_SET_MODE | dmanr, MCA_DMA_REG_FN); - outb(mode, MCA_DMA_REG_EXE); -} - -#endif /* MCA_DMA_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mman.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mman.h deleted file mode 100644 index f953c436ce..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mman.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef __I386_MMAN_H__ -#define __I386_MMAN_H__ - -#define PROT_READ 0x1 /* page can be read */ -#define PROT_WRITE 0x2 /* page can be written */ -#define PROT_EXEC 0x4 /* page can be executed */ -#define PROT_NONE 0x0 /* page can not be accessed */ - -#define MAP_SHARED 0x01 /* Share changes */ -#define MAP_PRIVATE 0x02 /* Changes are private */ -#define MAP_TYPE 0x0f /* Mask for type of mapping */ -#define MAP_FIXED 0x10 /* Interpret addr exactly */ -#define MAP_ANONYMOUS 0x20 /* don't use a file */ - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ - -#define MS_ASYNC 1 /* sync memory asynchronously */ -#define MS_INVALIDATE 2 /* invalidate the caches */ -#define MS_SYNC 4 /* synchronous memory sync */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#define MADV_NORMAL 0x0 /* default page-in behavior */ -#define MADV_RANDOM 0x1 /* page-in minimum required */ -#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ -#define MADV_WILLNEED 0x3 /* pre-fault pages */ -#define MADV_DONTNEED 0x4 /* discard these pages */ - -/* compatibility flags */ -#define MAP_ANON MAP_ANONYMOUS -#define MAP_FILE 0 - -#endif /* __I386_MMAN_H__ */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu.h deleted file mode 100644 index 6a47b34c41..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu.h +++ /dev/null @@ -1,24 +0,0 @@ - -#ifndef __i386_MMU_H -#define __i386_MMU_H - -#include <linux/list.h> - -/* describes dirrectly mapped vma nodes */ -typedef struct { - struct list_head list; - unsigned long vm_start; - unsigned long vm_end; -} direct_mmap_node_t; - -/* - * The i386 doesn't have a mmu context, but - * we put the segment information here. - */ -typedef struct { - void *segments; - unsigned long cpuvalid; - struct list_head direct_list; -} mm_context_t; - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu_context.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu_context.h deleted file mode 100644 index b203b3983d..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmu_context.h +++ /dev/null @@ -1,76 +0,0 @@ - -#ifndef __I386_MMU_CONTEXT_H -#define __I386_MMU_CONTEXT_H - -#include <linux/config.h> -#include <asm/desc.h> -#include <asm/atomic.h> -#include <asm/pgalloc.h> - -/* - * possibly do the LDT unload here? - */ - -extern int init_new_context(struct task_struct *tsk, struct mm_struct *); -extern void destroy_context(struct mm_struct *); - -//#define destroy_context(mm) do { } while(0) -//#define init_new_context(tsk,mm) 0 - -#ifdef CONFIG_SMP - -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk, unsigned cpu) -{ - if(cpu_tlbstate[cpu].state == TLBSTATE_OK) - cpu_tlbstate[cpu].state = TLBSTATE_LAZY; -} -#else -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk, unsigned cpu) -{ -} -#endif - -extern pgd_t *cur_pgd; - -static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk, unsigned cpu) -{ - if (prev != next) { - /* stop flush ipis for the previous mm */ - clear_bit(cpu, &prev->cpu_vm_mask); - /* - * Re-load LDT if necessary - */ - if (prev->context.segments != next->context.segments) - load_LDT(next); -#ifdef CONFIG_SMP - cpu_tlbstate[cpu].state = TLBSTATE_OK; - cpu_tlbstate[cpu].active_mm = next; -#endif - set_bit(cpu, &next->cpu_vm_mask); - set_bit(cpu, &next->context.cpuvalid); - /* Re-load page tables */ - cur_pgd = next->pgd; - queue_pt_switch(__pa(cur_pgd)); - XENO_flush_page_update_queue(); - } -#ifdef CONFIG_SMP - else { - cpu_tlbstate[cpu].state = TLBSTATE_OK; - if(cpu_tlbstate[cpu].active_mm != next) - BUG(); - if(!test_and_set_bit(cpu, &next->cpu_vm_mask)) { - /* We were in lazy tlb mode and leave_mm disabled - * tlb flush IPI delivery. We must flush our tlb. - */ - local_flush_tlb(); - } - if (!test_and_set_bit(cpu, &next->context.cpuvalid)) - load_LDT(next); - } -#endif -} - -#define activate_mm(prev, next) \ - switch_mm((prev),(next),NULL,smp_processor_id()) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmx.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmx.h deleted file mode 100644 index 46b71da998..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mmx.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef _ASM_MMX_H -#define _ASM_MMX_H - -/* - * MMX 3Dnow! helper operations - */ - -#include <linux/types.h> - -extern void *_mmx_memcpy(void *to, const void *from, size_t size); -extern void mmx_clear_page(void *page); -extern void mmx_copy_page(void *to, void *from); - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/module.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/module.h deleted file mode 100644 index a55217377a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/module.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASM_I386_MODULE_H -#define _ASM_I386_MODULE_H -/* - * This file contains the i386 architecture specific module code. - */ - -#define module_map(x) vmalloc(x) -#define module_unmap(x) vfree(x) -#define module_arch_init(x) (0) -#define arch_init_modules(x) do { } while (0) - -#endif /* _ASM_I386_MODULE_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mpspec.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mpspec.h deleted file mode 100644 index b5719c0bb0..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mpspec.h +++ /dev/null @@ -1,221 +0,0 @@ -#ifndef __ASM_MPSPEC_H -#define __ASM_MPSPEC_H - -/* - * Structure definitions for SMP machines following the - * Intel Multiprocessing Specification 1.1 and 1.4. - */ - -/* - * This tag identifies where the SMP configuration - * information is. - */ - -#define SMP_MAGIC_IDENT (('_'<<24)|('P'<<16)|('M'<<8)|'_') - -/* - * a maximum of 16 APICs with the current APIC ID architecture. - */ -#ifdef CONFIG_MULTIQUAD -#define MAX_APICS 256 -#else /* !CONFIG_MULTIQUAD */ -#define MAX_APICS 16 -#endif /* CONFIG_MULTIQUAD */ - -#define MAX_MPC_ENTRY 1024 - -struct intel_mp_floating -{ - char mpf_signature[4]; /* "_MP_" */ - unsigned long mpf_physptr; /* Configuration table address */ - unsigned char mpf_length; /* Our length (paragraphs) */ - unsigned char mpf_specification;/* Specification version */ - unsigned char mpf_checksum; /* Checksum (makes sum 0) */ - unsigned char mpf_feature1; /* Standard or configuration ? */ - unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */ - unsigned char mpf_feature3; /* Unused (0) */ - unsigned char mpf_feature4; /* Unused (0) */ - unsigned char mpf_feature5; /* Unused (0) */ -}; - -struct mp_config_table -{ - char mpc_signature[4]; -#define MPC_SIGNATURE "PCMP" - unsigned short mpc_length; /* Size of table */ - char mpc_spec; /* 0x01 */ - char mpc_checksum; - char mpc_oem[8]; - char mpc_productid[12]; - unsigned long mpc_oemptr; /* 0 if not present */ - unsigned short mpc_oemsize; /* 0 if not present */ - unsigned short mpc_oemcount; - unsigned long mpc_lapic; /* APIC address */ - unsigned long reserved; -}; - -/* Followed by entries */ - -#define MP_PROCESSOR 0 -#define MP_BUS 1 -#define MP_IOAPIC 2 -#define MP_INTSRC 3 -#define MP_LINTSRC 4 -#define MP_TRANSLATION 192 /* Used by IBM NUMA-Q to describe node locality */ - -struct mpc_config_processor -{ - unsigned char mpc_type; - unsigned char mpc_apicid; /* Local APIC number */ - unsigned char mpc_apicver; /* Its versions */ - unsigned char mpc_cpuflag; -#define CPU_ENABLED 1 /* Processor is available */ -#define CPU_BOOTPROCESSOR 2 /* Processor is the BP */ - unsigned long mpc_cpufeature; -#define CPU_STEPPING_MASK 0x0F -#define CPU_MODEL_MASK 0xF0 -#define CPU_FAMILY_MASK 0xF00 - unsigned long mpc_featureflag; /* CPUID feature value */ - unsigned long mpc_reserved[2]; -}; - -struct mpc_config_bus -{ - unsigned char mpc_type; - unsigned char mpc_busid; - unsigned char mpc_bustype[6] __attribute((packed)); -}; - -/* List of Bus Type string values, Intel MP Spec. */ -#define BUSTYPE_EISA "EISA" -#define BUSTYPE_ISA "ISA" -#define BUSTYPE_INTERN "INTERN" /* Internal BUS */ -#define BUSTYPE_MCA "MCA" -#define BUSTYPE_VL "VL" /* Local bus */ -#define BUSTYPE_PCI "PCI" -#define BUSTYPE_PCMCIA "PCMCIA" -#define BUSTYPE_CBUS "CBUS" -#define BUSTYPE_CBUSII "CBUSII" -#define BUSTYPE_FUTURE "FUTURE" -#define BUSTYPE_MBI "MBI" -#define BUSTYPE_MBII "MBII" -#define BUSTYPE_MPI "MPI" -#define BUSTYPE_MPSA "MPSA" -#define BUSTYPE_NUBUS "NUBUS" -#define BUSTYPE_TC "TC" -#define BUSTYPE_VME "VME" -#define BUSTYPE_XPRESS "XPRESS" - -struct mpc_config_ioapic -{ - unsigned char mpc_type; - unsigned char mpc_apicid; - unsigned char mpc_apicver; - unsigned char mpc_flags; -#define MPC_APIC_USABLE 0x01 - unsigned long mpc_apicaddr; -}; - -struct mpc_config_intsrc -{ - unsigned char mpc_type; - unsigned char mpc_irqtype; - unsigned short mpc_irqflag; - unsigned char mpc_srcbus; - unsigned char mpc_srcbusirq; - unsigned char mpc_dstapic; - unsigned char mpc_dstirq; -}; - -enum mp_irq_source_types { - mp_INT = 0, - mp_NMI = 1, - mp_SMI = 2, - mp_ExtINT = 3 -}; - -#define MP_IRQDIR_DEFAULT 0 -#define MP_IRQDIR_HIGH 1 -#define MP_IRQDIR_LOW 3 - - -struct mpc_config_lintsrc -{ - unsigned char mpc_type; - unsigned char mpc_irqtype; - unsigned short mpc_irqflag; - unsigned char mpc_srcbusid; - unsigned char mpc_srcbusirq; - unsigned char mpc_destapic; -#define MP_APIC_ALL 0xFF - unsigned char mpc_destapiclint; -}; - -struct mp_config_oemtable -{ - char oem_signature[4]; -#define MPC_OEM_SIGNATURE "_OEM" - unsigned short oem_length; /* Size of table */ - char oem_rev; /* 0x01 */ - char oem_checksum; - char mpc_oem[8]; -}; - -struct mpc_config_translation -{ - unsigned char mpc_type; - unsigned char trans_len; - unsigned char trans_type; - unsigned char trans_quad; - unsigned char trans_global; - unsigned char trans_local; - unsigned short trans_reserved; -}; - -/* - * Default configurations - * - * 1 2 CPU ISA 82489DX - * 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining - * 3 2 CPU EISA 82489DX - * 4 2 CPU MCA 82489DX - * 5 2 CPU ISA+PCI - * 6 2 CPU EISA+PCI - * 7 2 CPU MCA+PCI - */ - -#ifdef CONFIG_MULTIQUAD -#define MAX_IRQ_SOURCES 512 -#else /* !CONFIG_MULTIQUAD */ -#define MAX_IRQ_SOURCES 256 -#endif /* CONFIG_MULTIQUAD */ - -#define MAX_MP_BUSSES 32 -enum mp_bustype { - MP_BUS_ISA = 1, - MP_BUS_EISA, - MP_BUS_PCI, - MP_BUS_MCA -}; -extern int mp_bus_id_to_type [MAX_MP_BUSSES]; -extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES]; - -extern unsigned int boot_cpu_physical_apicid; -extern unsigned long phys_cpu_present_map; -extern int smp_found_config; -extern void find_smp_config (void); -extern void get_smp_config (void); -extern int nr_ioapics; -extern int apic_version [MAX_APICS]; -extern int mp_bus_id_to_type [MAX_MP_BUSSES]; -extern int mp_irq_entries; -extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES]; -extern int mpc_default_type; -extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES]; -extern int mp_current_pci_id; -extern unsigned long mp_lapic_addr; -extern int pic_mode; -extern int using_apic_timer; - -#endif - diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/msgbuf.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/msgbuf.h deleted file mode 100644 index b8d659c157..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/msgbuf.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef _I386_MSGBUF_H -#define _I386_MSGBUF_H - -/* - * The msqid64_ds structure for i386 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct msqid64_ds { - struct ipc64_perm msg_perm; - __kernel_time_t msg_stime; /* last msgsnd time */ - unsigned long __unused1; - __kernel_time_t msg_rtime; /* last msgrcv time */ - unsigned long __unused2; - __kernel_time_t msg_ctime; /* last change time */ - unsigned long __unused3; - unsigned long msg_cbytes; /* current number of bytes on queue */ - unsigned long msg_qnum; /* number of messages in queue */ - unsigned long msg_qbytes; /* max number of bytes on queue */ - __kernel_pid_t msg_lspid; /* pid of last msgsnd */ - __kernel_pid_t msg_lrpid; /* last receive pid */ - unsigned long __unused4; - unsigned long __unused5; -}; - -#endif /* _I386_MSGBUF_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/msr.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/msr.h deleted file mode 100644 index 11bcb7f29e..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/msr.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef __ASM_MSR_H -#define __ASM_MSR_H - -/* - * Access to machine-specific registers (available on 586 and better only) - * Note: the rd* operations modify the parameters directly (without using - * pointer indirection), this allows gcc to optimize better - */ - -#define rdmsr(msr,val1,val2) \ - __asm__ __volatile__("rdmsr" \ - : "=a" (val1), "=d" (val2) \ - : "c" (msr)) - -#define wrmsr(msr,val1,val2) \ - __asm__ __volatile__("wrmsr" \ - : /* no outputs */ \ - : "c" (msr), "a" (val1), "d" (val2)) - -#define rdtsc(low,high) \ - __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)) - -#define rdtscl(low) \ - __asm__ __volatile__("rdtsc" : "=a" (low) : : "edx") - -#define rdtscll(val) \ - __asm__ __volatile__("rdtsc" : "=A" (val)) - -#define write_tsc(val1,val2) wrmsr(0x10, val1, val2) - -#define rdpmc(counter,low,high) \ - __asm__ __volatile__("rdpmc" \ - : "=a" (low), "=d" (high) \ - : "c" (counter)) - -/* symbolic names for some interesting MSRs */ -/* Intel defined MSRs. */ -#define MSR_IA32_P5_MC_ADDR 0 -#define MSR_IA32_P5_MC_TYPE 1 -#define MSR_IA32_PLATFORM_ID 0x17 -#define MSR_IA32_EBL_CR_POWERON 0x2a - -#define MSR_IA32_APICBASE 0x1b -#define MSR_IA32_APICBASE_BSP (1<<8) -#define MSR_IA32_APICBASE_ENABLE (1<<11) -#define MSR_IA32_APICBASE_BASE (0xfffff<<12) - -#define MSR_IA32_UCODE_WRITE 0x79 -#define MSR_IA32_UCODE_REV 0x8b - -#define MSR_IA32_PERFCTR0 0xc1 -#define MSR_IA32_PERFCTR1 0xc2 - -#define MSR_IA32_BBL_CR_CTL 0x119 - -#define MSR_IA32_MCG_CAP 0x179 -#define MSR_IA32_MCG_STATUS 0x17a -#define MSR_IA32_MCG_CTL 0x17b - -#define MSR_IA32_EVNTSEL0 0x186 -#define MSR_IA32_EVNTSEL1 0x187 - -#define MSR_IA32_DEBUGCTLMSR 0x1d9 -#define MSR_IA32_LASTBRANCHFROMIP 0x1db -#define MSR_IA32_LASTBRANCHTOIP 0x1dc -#define MSR_IA32_LASTINTFROMIP 0x1dd -#define MSR_IA32_LASTINTTOIP 0x1de - -#define MSR_IA32_MC0_CTL 0x400 -#define MSR_IA32_MC0_STATUS 0x401 -#define MSR_IA32_MC0_ADDR 0x402 -#define MSR_IA32_MC0_MISC 0x403 - -/* AMD Defined MSRs */ -#define MSR_K6_EFER 0xC0000080 -#define MSR_K6_STAR 0xC0000081 -#define MSR_K6_WHCR 0xC0000082 -#define MSR_K6_UWCCR 0xC0000085 -#define MSR_K6_PSOR 0xC0000087 -#define MSR_K6_PFIR 0xC0000088 - -#define MSR_K7_EVNTSEL0 0xC0010000 -#define MSR_K7_PERFCTR0 0xC0010004 - -/* Centaur-Hauls/IDT defined MSRs. */ -#define MSR_IDT_FCR1 0x107 -#define MSR_IDT_FCR2 0x108 -#define MSR_IDT_FCR3 0x109 -#define MSR_IDT_FCR4 0x10a - -#define MSR_IDT_MCR0 0x110 -#define MSR_IDT_MCR1 0x111 -#define MSR_IDT_MCR2 0x112 -#define MSR_IDT_MCR3 0x113 -#define MSR_IDT_MCR4 0x114 -#define MSR_IDT_MCR5 0x115 -#define MSR_IDT_MCR6 0x116 -#define MSR_IDT_MCR7 0x117 -#define MSR_IDT_MCR_CTRL 0x120 - -/* VIA Cyrix defined MSRs*/ -#define MSR_VIA_FCR 0x1107 - -#endif /* __ASM_MSR_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mtrr.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/mtrr.h deleted file mode 100644 index ff3ea870d0..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/mtrr.h +++ /dev/null @@ -1,127 +0,0 @@ -/* Generic MTRR (Memory Type Range Register) ioctls. - - Copyright (C) 1997-1999 Richard Gooch - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Richard Gooch may be reached by email at rgooch@atnf.csiro.au - The postal address is: - Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia. -*/ -#ifndef _LINUX_MTRR_H -#define _LINUX_MTRR_H - -#include <linux/config.h> -#include <linux/ioctl.h> - -#define MTRR_IOCTL_BASE 'M' - -struct mtrr_sentry -{ - unsigned long base; /* Base address */ - unsigned long size; /* Size of region */ - unsigned int type; /* Type of region */ -}; - -struct mtrr_gentry -{ - unsigned int regnum; /* Register number */ - unsigned long base; /* Base address */ - unsigned long size; /* Size of region */ - unsigned int type; /* Type of region */ -}; - -/* These are the various ioctls */ -#define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry) -#define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry) -#define MTRRIOC_DEL_ENTRY _IOW(MTRR_IOCTL_BASE, 2, struct mtrr_sentry) -#define MTRRIOC_GET_ENTRY _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry) -#define MTRRIOC_KILL_ENTRY _IOW(MTRR_IOCTL_BASE, 4, struct mtrr_sentry) -#define MTRRIOC_ADD_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 5, struct mtrr_sentry) -#define MTRRIOC_SET_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 6, struct mtrr_sentry) -#define MTRRIOC_DEL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 7, struct mtrr_sentry) -#define MTRRIOC_GET_PAGE_ENTRY _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry) -#define MTRRIOC_KILL_PAGE_ENTRY _IOW(MTRR_IOCTL_BASE, 9, struct mtrr_sentry) - -/* These are the region types */ -#define MTRR_TYPE_UNCACHABLE 0 -#define MTRR_TYPE_WRCOMB 1 -/*#define MTRR_TYPE_ 2*/ -/*#define MTRR_TYPE_ 3*/ -#define MTRR_TYPE_WRTHROUGH 4 -#define MTRR_TYPE_WRPROT 5 -#define MTRR_TYPE_WRBACK 6 -#define MTRR_NUM_TYPES 7 - -#ifdef MTRR_NEED_STRINGS -static char *mtrr_strings[MTRR_NUM_TYPES] = -{ - "uncachable", /* 0 */ - "write-combining", /* 1 */ - "?", /* 2 */ - "?", /* 3 */ - "write-through", /* 4 */ - "write-protect", /* 5 */ - "write-back", /* 6 */ -}; -#endif - -#ifdef __KERNEL__ - -/* The following functions are for use by other drivers */ -# ifdef CONFIG_MTRR -extern int mtrr_add (unsigned long base, unsigned long size, - unsigned int type, char increment); -extern int mtrr_add_page (unsigned long base, unsigned long size, - unsigned int type, char increment); -extern int mtrr_del (int reg, unsigned long base, unsigned long size); -extern int mtrr_del_page (int reg, unsigned long base, unsigned long size); -extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi); -# else -static __inline__ int mtrr_add (unsigned long base, unsigned long size, - unsigned int type, char increment) -{ - return -ENODEV; -} -static __inline__ int mtrr_add_page (unsigned long base, unsigned long size, - unsigned int type, char increment) -{ - return -ENODEV; -} -static __inline__ int mtrr_del (int reg, unsigned long base, - unsigned long size) -{ - return -ENODEV; -} -static __inline__ int mtrr_del_page (int reg, unsigned long base, - unsigned long size) -{ - return -ENODEV; -} - -static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;} - -# endif - -/* The following functions are for initialisation: don't use them! */ -extern int mtrr_init (void); -# if defined(CONFIG_SMP) && defined(CONFIG_MTRR) -extern void mtrr_init_boot_cpu (void); -extern void mtrr_init_secondary_cpu (void); -# endif - -#endif - -#endif /* _LINUX_MTRR_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/namei.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/namei.h deleted file mode 100644 index 8148650886..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/namei.h +++ /dev/null @@ -1,17 +0,0 @@ -/* $Id: namei.h,v 1.1 1996/12/13 14:48:21 jj Exp $ - * linux/include/asm-i386/namei.h - * - * Included from linux/fs/namei.c - */ - -#ifndef __I386_NAMEI_H -#define __I386_NAMEI_H - -/* This dummy routine maybe changed to something useful - * for /usr/gnemul/ emulation stuff. - * Look at asm-sparc/namei.h for details. - */ - -#define __emul_prefix() NULL - -#endif /* __I386_NAMEI_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/page.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/page.h deleted file mode 100644 index ae2aa28b11..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/page.h +++ /dev/null @@ -1,164 +0,0 @@ -#ifndef _I386_PAGE_H -#define _I386_PAGE_H - -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ - -#include <linux/config.h> -#include <asm/hypervisor.h> - -#ifdef CONFIG_X86_USE_3DNOW - -#include <asm/mmx.h> - -#define clear_page(page) mmx_clear_page((void *)(page)) -#define copy_page(to,from) mmx_copy_page(to,from) - -#else - -/* - * On older X86 processors its not a win to use MMX here it seems. - * Maybe the K6-III ? - */ - -#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) -#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) - -#endif - -#define clear_user_page(page, vaddr) clear_page(page) -#define copy_user_page(to, from, vaddr) copy_page(to, from) - -/**** MACHINE <-> PHYSICAL CONVERSION MACROS ****/ -extern unsigned long *phys_to_machine_mapping; -#define pfn_to_mfn(_pfn) (phys_to_machine_mapping[(_pfn)]) -#define mfn_to_pfn(_mfn) (machine_to_phys_mapping[(_mfn)]) -static inline unsigned long phys_to_machine(unsigned long phys) -{ - unsigned long machine = pfn_to_mfn(phys >> PAGE_SHIFT); - machine = (machine << PAGE_SHIFT) | (phys & ~PAGE_MASK); - return machine; -} -static inline unsigned long machine_to_phys(unsigned long machine) -{ - unsigned long phys = mfn_to_pfn(machine >> PAGE_SHIFT); - phys = (phys << PAGE_SHIFT) | (machine & ~PAGE_MASK); - return phys; -} - -/* - * These are used to make use of C type-checking.. - */ -#if CONFIG_X86_PAE -typedef struct { unsigned long pte_low, pte_high; } pte_t; -typedef struct { unsigned long long pmd; } pmd_t; -typedef struct { unsigned long long pgd; } pgd_t; -#define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) -#else -typedef struct { unsigned long pte_low; } pte_t; -typedef struct { unsigned long pmd; } pmd_t; -typedef struct { unsigned long pgd; } pgd_t; -static inline unsigned long pte_val(pte_t x) -{ - unsigned long ret = x.pte_low; - if ( (ret & 1) ) ret = machine_to_phys(ret); - return ret; -} -#endif -#define PTE_MASK PAGE_MASK - -typedef struct { unsigned long pgprot; } pgprot_t; - -static inline unsigned long pmd_val(pmd_t x) -{ - unsigned long ret = x.pmd; - if ( (ret & 1) ) ret = machine_to_phys(ret); - return ret; -} -#define pgd_val(x) ({ BUG(); (unsigned long)0; }) -#define pgprot_val(x) ((x).pgprot) - -static inline pte_t __pte(unsigned long x) -{ - if ( (x & 1) ) x = phys_to_machine(x); - return ((pte_t) { (x) }); -} -static inline pmd_t __pmd(unsigned long x) -{ - if ( (x & 1) ) x = phys_to_machine(x); - return ((pmd_t) { (x) }); -} -#define __pgd(x) ({ BUG(); (pgprot_t) { 0 }; }) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -#endif /* !__ASSEMBLY__ */ - -/* to align the pointer to the (next) page boundary */ -#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) - -/* - * This handles the memory map.. We could make this a config - * option, but too many people screw it up, and too few need - * it. - * - * A __PAGE_OFFSET of 0xC0000000 means that the kernel has - * a virtual address space of one gigabyte, which limits the - * amount of physical memory you can use to about 950MB. - * - * If you want more physical memory than this then see the CONFIG_HIGHMEM4G - * and CONFIG_HIGHMEM64G options in the kernel configuration. - */ - -#define __PAGE_OFFSET (0xC0000000) - -#ifndef __ASSEMBLY__ - -/* - * Tell the user there is some problem. Beep too, so we can - * see^H^H^Hhear bugs in early bootup as well! - */ - -#ifdef CONFIG_DEBUG_BUGVERBOSE -extern void do_BUG(const char *file, int line); -#define BUG() do { \ - do_BUG(__FILE__, __LINE__); \ - __asm__ __volatile__("ud2"); \ -} while (0) -#else -#define BUG() __asm__ __volatile__(".byte 0x0f,0x0b") -#endif - -#define PAGE_BUG(page) do { \ - BUG(); \ -} while (0) - -/* Pure 2^n version of get_order */ -static __inline__ int get_order(unsigned long size) -{ - int order; - - size = (size-1) >> (PAGE_SHIFT-1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - -#endif /* __ASSEMBLY__ */ - -#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) -#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) -#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) -#define virt_to_page(kaddr) (mem_map + (__pa(kaddr) >> PAGE_SHIFT)) -#define VALID_PAGE(page) ((page - mem_map) < max_mapnr) - -#endif /* __KERNEL__ */ - -#endif /* _I386_PAGE_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/param.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/param.h deleted file mode 100644 index 1b10bf49fe..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/param.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef _ASMi386_PARAM_H -#define _ASMi386_PARAM_H - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NGROUPS -#define NGROUPS 32 -#endif - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#ifdef __KERNEL__ -# define CLOCKS_PER_SEC 100 /* frequency at which times() counts */ -#endif - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/parport.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/parport.h deleted file mode 100644 index fa0e321e49..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/parport.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * parport.h: ia32-specific parport initialisation - * - * Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk> - * - * This file should only be included by drivers/parport/parport_pc.c. - */ - -#ifndef _ASM_I386_PARPORT_H -#define _ASM_I386_PARPORT_H 1 - -static int __devinit parport_pc_find_isa_ports (int autoirq, int autodma); -static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma) -{ - return parport_pc_find_isa_ports (autoirq, autodma); -} - -#endif /* !(_ASM_I386_PARPORT_H) */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgalloc.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgalloc.h deleted file mode 100644 index 797da69bd7..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgalloc.h +++ /dev/null @@ -1,188 +0,0 @@ -#ifndef _I386_PGALLOC_H -#define _I386_PGALLOC_H - -#include <linux/config.h> -#include <asm/processor.h> -#include <asm/hypervisor.h> -#include <linux/threads.h> - -/* - * Quick lists are aligned so that least significant bits of array pointer - * are all zero when list is empty, and all one when list is full. - */ -#define QUICKLIST_ENTRIES 256 -#define QUICKLIST_EMPTY(_l) !((unsigned long)(_l) & ((QUICKLIST_ENTRIES*4)-1)) -#define QUICKLIST_FULL(_l) QUICKLIST_EMPTY((_l)+1) -#define pgd_quicklist (current_cpu_data.pgd_quick) -#define pmd_quicklist (current_cpu_data.pmd_quick) -#define pte_quicklist (current_cpu_data.pte_quick) -#define pgtable_cache_size (current_cpu_data.pgtable_cache_sz) - -#define pmd_populate(mm, pmd, pte) \ - do { \ - set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))); \ - XENO_flush_page_update_queue(); \ - } while ( 0 ) - -static __inline__ pgd_t *get_pgd_slow(void) -{ - pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL); - pgd_t *kpgd; - pmd_t *kpmd; - pte_t *kpte; - - if (pgd) { - memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); - memcpy(pgd + USER_PTRS_PER_PGD, - init_mm.pgd + USER_PTRS_PER_PGD, - (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); - kpgd = pgd_offset_k((unsigned long)pgd); - kpmd = pmd_offset(kpgd, (unsigned long)pgd); - kpte = pte_offset(kpmd, (unsigned long)pgd); - queue_l1_entry_update(__pa(kpte), (*(unsigned long *)kpte)&~_PAGE_RW); - queue_pgd_pin(__pa(pgd)); - } - - return pgd; -} - -static __inline__ void free_pgd_slow(pgd_t *pgd) -{ - pgd_t *kpgd; - pmd_t *kpmd; - pte_t *kpte; - queue_pgd_unpin(__pa(pgd)); - kpgd = pgd_offset_k((unsigned long)pgd); - kpmd = pmd_offset(kpgd, (unsigned long)pgd); - kpte = pte_offset(kpmd, (unsigned long)pgd); - queue_l1_entry_update(__pa(kpte), (*(unsigned long *)kpte)|_PAGE_RW); - free_page((unsigned long)pgd); -} - -static __inline__ pgd_t *get_pgd_fast(void) -{ - unsigned long ret; - - if ( !QUICKLIST_EMPTY(pgd_quicklist) ) { - ret = *(--pgd_quicklist); - pgtable_cache_size--; - } else - ret = (unsigned long)get_pgd_slow(); - return (pgd_t *)ret; -} - -static __inline__ void free_pgd_fast(pgd_t *pgd) -{ - if ( !QUICKLIST_FULL(pgd_quicklist) ) { - *(pgd_quicklist++) = (unsigned long)pgd; - pgtable_cache_size++; - } else - free_pgd_slow(pgd); -} - -static inline pte_t *pte_alloc_one(struct mm_struct *mm, unsigned long address) -{ - pte_t *pte; - pgd_t *kpgd; - pmd_t *kpmd; - pte_t *kpte; - - pte = (pte_t *) __get_free_page(GFP_KERNEL); - if (pte) - { - clear_page(pte); - kpgd = pgd_offset_k((unsigned long)pte); - kpmd = pmd_offset(kpgd, (unsigned long)pte); - kpte = pte_offset(kpmd, (unsigned long)pte); - queue_l1_entry_update(__pa(kpte), (*(unsigned long *)kpte)&~_PAGE_RW); - queue_pte_pin(__pa(pte)); - } - return pte; -} - -static __inline__ void pte_free_slow(pte_t *pte) -{ - pgd_t *kpgd; - pmd_t *kpmd; - pte_t *kpte; - queue_pte_unpin(__pa(pte)); - kpgd = pgd_offset_k((unsigned long)pte); - kpmd = pmd_offset(kpgd, (unsigned long)pte); - kpte = pte_offset(kpmd, (unsigned long)pte); - queue_l1_entry_update(__pa(kpte), (*(unsigned long *)kpte)|_PAGE_RW); - free_page((unsigned long)pte); -} - -static inline pte_t *pte_alloc_one_fast(struct mm_struct *mm, unsigned long address) -{ - unsigned long ret = 0; - if ( !QUICKLIST_EMPTY(pte_quicklist) ) { - ret = *(--pte_quicklist); - pgtable_cache_size--; - } - return (pte_t *)ret; -} - -static __inline__ void pte_free_fast(pte_t *pte) -{ - if ( !QUICKLIST_FULL(pte_quicklist) ) { - *(pte_quicklist++) = (unsigned long)pte; - pgtable_cache_size++; - } else - pte_free_slow(pte); -} - -#define pte_free(pte) pte_free_fast(pte) -#define pgd_alloc(mm) get_pgd_fast() -#define pgd_free(pgd) free_pgd_fast(pgd) - -#define pmd_alloc_one_fast(mm, addr) ({ BUG(); ((pmd_t *)1); }) -#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) -#define pmd_free_slow(x) do { } while (0) -#define pmd_free_fast(x) do { } while (0) -#define pmd_free(x) do { } while (0) -#define pgd_populate(mm, pmd, pte) BUG() - -extern int do_check_pgt_cache(int, int); - -/* - * - flush_tlb() flushes the current mm struct TLBs - * - flush_tlb_all() flushes all processes TLBs - * - flush_tlb_mm(mm) flushes the specified mm context TLB's - * - flush_tlb_page(vma, vmaddr) flushes one page - * - flush_tlb_range(mm, start, end) flushes a range of pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables - */ - -#define flush_tlb() __flush_tlb() -#define flush_tlb_all() __flush_tlb_all() -#define local_flush_tlb() __flush_tlb() - -static inline void flush_tlb_mm(struct mm_struct *mm) -{ - if ( mm == current->active_mm ) queue_tlb_flush(); - XENO_flush_page_update_queue(); -} - -static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long addr) -{ - if ( vma->vm_mm == current->active_mm ) queue_invlpg(addr); - XENO_flush_page_update_queue(); -} - -static inline void flush_tlb_range(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - if ( mm == current->active_mm ) queue_tlb_flush(); - XENO_flush_page_update_queue(); -} - -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* i386 does not keep any page table caches in TLB */ - XENO_flush_page_update_queue(); -} - -#endif /* _I386_PGALLOC_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable-2level.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable-2level.h deleted file mode 100644 index 735ac99311..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable-2level.h +++ /dev/null @@ -1,70 +0,0 @@ -#ifndef _I386_PGTABLE_2LEVEL_H -#define _I386_PGTABLE_2LEVEL_H - -/* - * traditional i386 two-level paging structure: - */ - -#define PGDIR_SHIFT 22 -#define PTRS_PER_PGD 1024 - -/* - * the i386 is two-level, so we don't really have any - * PMD directory physically. - */ -#define PMD_SHIFT 22 -#define PTRS_PER_PMD 1 - -#define PTRS_PER_PTE 1024 - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low) -#define pmd_ERROR(e) \ - printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e)) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) - -/* - * The "pgd_xxx()" functions here are trivial for a folded two-level - * setup: the pgd is never bad, and a pmd always exists (as it's folded - * into the pgd entry) - */ -static inline int pgd_none(pgd_t pgd) { return 0; } -static inline int pgd_bad(pgd_t pgd) { return 0; } -static inline int pgd_present(pgd_t pgd) { return 1; } -#define pgd_clear(xp) do { } while (0) - -#define set_pte(pteptr, pteval) queue_l1_entry_update(__pa(pteptr), (pteval).pte_low) -#define set_pmd(pmdptr, pmdval) queue_l2_entry_update(__pa(pmdptr), (pmdval).pmd) -#define set_pgd(pgdptr, pgdval) ((void)0) - -#define pgd_page(pgd) \ -((unsigned long) __va(pgd_val(pgd) & PAGE_MASK)) - -static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address) -{ - return (pmd_t *) dir; -} - -/* - * A note on implementation of this atomic 'get-and-clear' operation. - * This is actually very simple because XenoLinux can only run on a single - * processor. Therefore, we cannot race other processors setting the 'accessed' - * or 'dirty' bits on a page-table entry. - * Even if pages are shared between domains, that is not a problem because - * each domain will have separate page tables, with their own versions of - * accessed & dirty state. - */ -static inline pte_t ptep_get_and_clear(pte_t *xp) -{ - pte_t pte = *xp; - queue_l1_entry_update(__pa(xp), 0); - return pte; -} - -#define pte_same(a, b) ((a).pte_low == (b).pte_low) -#define pte_page(x) (mem_map+((unsigned long)((pte_val(x) >> PAGE_SHIFT)))) -#define pte_none(x) (!(x).pte_low) -#define __mk_pte(page_nr,pgprot) __pte(((page_nr) << PAGE_SHIFT) | pgprot_val(pgprot)) - -#endif /* _I386_PGTABLE_2LEVEL_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable-3level.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable-3level.h deleted file mode 100644 index 22c69d2393..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable-3level.h +++ /dev/null @@ -1,103 +0,0 @@ -#ifndef _I386_PGTABLE_3LEVEL_H -#define _I386_PGTABLE_3LEVEL_H - -#error "PAE unsupported" - -/* - * Intel Physical Address Extension (PAE) Mode - three-level page - * tables on PPro+ CPUs. - * - * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com> - */ - -/* - * PGDIR_SHIFT determines what a top-level page table entry can map - */ -#define PGDIR_SHIFT 30 -#define PTRS_PER_PGD 4 - -/* - * PMD_SHIFT determines the size of the area a middle-level - * page table can map - */ -#define PMD_SHIFT 21 -#define PTRS_PER_PMD 512 - -/* - * entries per page directory level - */ -#define PTRS_PER_PTE 512 - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %p(%08lx%08lx).\n", __FILE__, __LINE__, &(e), (e).pte_high, (e).pte_low) -#define pmd_ERROR(e) \ - printk("%s:%d: bad pmd %p(%016Lx).\n", __FILE__, __LINE__, &(e), pmd_val(e)) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %p(%016Lx).\n", __FILE__, __LINE__, &(e), pgd_val(e)) - -static inline int pgd_none(pgd_t pgd) { return 0; } -static inline int pgd_bad(pgd_t pgd) { return 0; } -static inline int pgd_present(pgd_t pgd) { return 1; } - -/* Rules for using set_pte: the pte being assigned *must* be - * either not present or in a state where the hardware will - * not attempt to update the pte. In places where this is - * not possible, use pte_get_and_clear to obtain the old pte - * value and then use set_pte to update it. -ben - */ -static inline void set_pte(pte_t *ptep, pte_t pte) -{ - ptep->pte_high = pte.pte_high; - smp_wmb(); - ptep->pte_low = pte.pte_low; -} -#define set_pmd(pmdptr,pmdval) \ - set_64bit((unsigned long long *)(pmdptr),pmd_val(pmdval)) -#define set_pgd(pgdptr,pgdval) \ - set_64bit((unsigned long long *)(pgdptr),pgd_val(pgdval)) - -/* - * Pentium-II erratum A13: in PAE mode we explicitly have to flush - * the TLB via cr3 if the top-level pgd is changed... - * We do not let the generic code free and clear pgd entries due to - * this erratum. - */ -static inline void pgd_clear (pgd_t * pgd) { } - -#define pgd_page(pgd) \ -((unsigned long) __va(pgd_val(pgd) & PAGE_MASK)) - -/* Find an entry in the second-level page table.. */ -#define pmd_offset(dir, address) ((pmd_t *) pgd_page(*(dir)) + \ - __pmd_offset(address)) - -static inline pte_t ptep_get_and_clear(pte_t *ptep) -{ - pte_t res; - - /* xchg acts as a barrier before the setting of the high bits */ - res.pte_low = xchg(&ptep->pte_low, 0); - res.pte_high = ptep->pte_high; - ptep->pte_high = 0; - - return res; -} - -static inline int pte_same(pte_t a, pte_t b) -{ - return a.pte_low == b.pte_low && a.pte_high == b.pte_high; -} - -#define pte_page(x) (mem_map+(((x).pte_low >> PAGE_SHIFT) | ((x).pte_high << (32 - PAGE_SHIFT)))) -#define pte_none(x) (!(x).pte_low && !(x).pte_high) - -static inline pte_t __mk_pte(unsigned long page_nr, pgprot_t pgprot) -{ - pte_t pte; - - pte.pte_high = page_nr >> (32 - PAGE_SHIFT); - pte.pte_low = (page_nr << PAGE_SHIFT) | pgprot_val(pgprot); - return pte; -} - -#endif /* _I386_PGTABLE_3LEVEL_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable.h deleted file mode 100644 index 5c3d46e36b..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/pgtable.h +++ /dev/null @@ -1,301 +0,0 @@ -#ifndef _I386_PGTABLE_H -#define _I386_PGTABLE_H - -#include <linux/config.h> - -#define HAVE_ARCH_UNMAPPED_AREA - -/* - * The Linux memory management assumes a three-level page table setup. On - * the i386, we use that, but "fold" the mid level into the top-level page - * table, so that we physically have the same two-level page table as the - * i386 mmu expects. - * - * This file contains the functions and defines necessary to modify and use - * the i386 page table tree. - */ -#ifndef __ASSEMBLY__ -#include <asm/processor.h> -#include <asm/hypervisor.h> -#include <linux/threads.h> -#include <asm/fixmap.h> - -#ifndef _I386_BITOPS_H -#include <asm/bitops.h> -#endif - -#define swapper_pg_dir 0 -extern void paging_init(void); - -/* Caches aren't brain-dead on the intel. */ -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_range(mm, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr) do { } while (0) -#define flush_page_to_ram(page) do { } while (0) -#define flush_dcache_page(page) do { } while (0) -#define flush_icache_range(start, end) do { } while (0) -#define flush_icache_page(vma,pg) do { } while (0) - -extern unsigned long pgkern_mask; - -#define __flush_tlb() ({ queue_tlb_flush(); XENO_flush_page_update_queue(); }) -#define __flush_tlb_global() __flush_tlb() -#define __flush_tlb_all() __flush_tlb_global() -#define __flush_tlb_one(addr) ({ queue_invlpg(addr); XENO_flush_page_update_queue(); }) - -/* - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. - */ -extern unsigned long empty_zero_page[1024]; -#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) - -#endif /* !__ASSEMBLY__ */ - -/* - * The Linux x86 paging architecture is 'compile-time dual-mode', it - * implements both the traditional 2-level x86 page tables and the - * newer 3-level PAE-mode page tables. - */ -#ifndef __ASSEMBLY__ -#if CONFIG_X86_PAE -# include <asm/pgtable-3level.h> - -/* - * Need to initialise the X86 PAE caches - */ -extern void pgtable_cache_init(void); - -#else -# include <asm/pgtable-2level.h> - -/* - * No page table caches to initialise - */ -#define pgtable_cache_init() do { } while (0) - -#endif -#endif - -#define PMD_SIZE (1UL << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE-1)) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) - -#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) -#define FIRST_USER_PGD_NR 0 - -#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT) -#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS) - -#define TWOLEVEL_PGDIR_SHIFT 22 -#define BOOT_USER_PGD_PTRS (__PAGE_OFFSET >> TWOLEVEL_PGDIR_SHIFT) -#define BOOT_KERNEL_PGD_PTRS (1024-BOOT_USER_PGD_PTRS) - - -#ifndef __ASSEMBLY__ -/* 4MB is just a nice "safety zone". Also, we align to a fresh pde. */ -#define VMALLOC_OFFSET (4*1024*1024) -#define VMALLOC_START (((unsigned long) high_memory + 2*VMALLOC_OFFSET-1) & \ - ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) -#define VMALLOC_END (FIXADDR_START - 2*PAGE_SIZE) - -#define _PAGE_BIT_PRESENT 0 -#define _PAGE_BIT_RW 1 -#define _PAGE_BIT_USER 2 -#define _PAGE_BIT_PWT 3 -#define _PAGE_BIT_PCD 4 -#define _PAGE_BIT_ACCESSED 5 -#define _PAGE_BIT_DIRTY 6 -#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page, Pentium+, if present.. */ -#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ - -#define _PAGE_PRESENT 0x001 -#define _PAGE_RW 0x002 -#define _PAGE_USER 0x004 -#define _PAGE_PWT 0x008 -#define _PAGE_PCD 0x010 -#define _PAGE_ACCESSED 0x020 -#define _PAGE_DIRTY 0x040 -#define _PAGE_PSE 0x080 /* 4 MB (or 2MB) page, Pentium+, if present.. */ -#define _PAGE_GLOBAL 0x100 /* Global TLB entry PPro+ */ - -#define _PAGE_PROTNONE 0x080 /* If not present */ - -#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) -#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY) -#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) - -#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) -#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) -#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) -#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) - -#define __PAGE_KERNEL \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED) -#define __PAGE_KERNEL_NOCACHE \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_PCD | _PAGE_ACCESSED) -#define __PAGE_KERNEL_RO \ - (_PAGE_PRESENT | _PAGE_DIRTY | _PAGE_ACCESSED) - -#if 0 -#define MAKE_GLOBAL(x) __pgprot((x) | _PAGE_GLOBAL) -#else -#define MAKE_GLOBAL(x) __pgprot(x) -#endif - -#define PAGE_KERNEL MAKE_GLOBAL(__PAGE_KERNEL) -#define PAGE_KERNEL_RO MAKE_GLOBAL(__PAGE_KERNEL_RO) -#define PAGE_KERNEL_NOCACHE MAKE_GLOBAL(__PAGE_KERNEL_NOCACHE) - -/* - * The i386 can't do page protection for execute, and considers that - * the same are read. Also, write permissions imply read permissions. - * This is the closest we can get.. - */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY -#define __P101 PAGE_READONLY -#define __P110 PAGE_COPY -#define __P111 PAGE_COPY - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY -#define __S101 PAGE_READONLY -#define __S110 PAGE_SHARED -#define __S111 PAGE_SHARED - -#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE)) -#define pte_clear(xp) queue_l1_entry_update(__pa(xp), 0) - -#define pmd_none(x) (!(x).pmd) -#define pmd_present(x) ((x).pmd & _PAGE_PRESENT) -#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) -#define pmd_bad(x) (((x).pmd & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) - -/* - * Permanent address of a page. Obviously must never be - * called on a highmem page. - */ -#define page_address(page) ((page)->virtual) -#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) - -/* - * The following only work if pte_present() is true. - * Undefined behaviour if not.. - */ -static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_USER; } -static inline int pte_exec(pte_t pte) { return (pte).pte_low & _PAGE_USER; } -static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_DIRTY; } -static inline int pte_young(pte_t pte) { return (pte).pte_low & _PAGE_ACCESSED; } -static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_RW; } - -static inline pte_t pte_rdprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; } -static inline pte_t pte_exprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; } -static inline pte_t pte_mkclean(pte_t pte) { (pte).pte_low &= ~_PAGE_DIRTY; return pte; } -static inline pte_t pte_mkold(pte_t pte) { (pte).pte_low &= ~_PAGE_ACCESSED; return pte; } -static inline pte_t pte_wrprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_RW; return pte; } -static inline pte_t pte_mkread(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; } -static inline pte_t pte_mkexec(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; } -static inline pte_t pte_mkdirty(pte_t pte) { (pte).pte_low |= _PAGE_DIRTY; return pte; } -static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; return pte; } -static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; } - -static inline int ptep_test_and_clear_dirty(pte_t *ptep) -{ - unsigned long pteval = *(unsigned long *)ptep; - int ret = pteval & _PAGE_DIRTY; - if ( ret ) queue_l1_entry_update(__pa(ptep), pteval & ~_PAGE_DIRTY); - return ret; -} -static inline int ptep_test_and_clear_young(pte_t *ptep) -{ - unsigned long pteval = *(unsigned long *)ptep; - int ret = pteval & _PAGE_ACCESSED; - if ( ret ) queue_l1_entry_update(__pa(ptep), pteval & ~_PAGE_ACCESSED); - return ret; -} -static inline void ptep_set_wrprotect(pte_t *ptep) -{ - unsigned long pteval = *(unsigned long *)ptep; - if ( (pteval & _PAGE_RW) ) - queue_l1_entry_update(__pa(ptep), pteval & ~_PAGE_RW); -} -static inline void ptep_mkdirty(pte_t *ptep) -{ - unsigned long pteval = *(unsigned long *)ptep; - if ( !(pteval & _PAGE_DIRTY) ) - queue_l1_entry_update(__pa(ptep), pteval | _PAGE_DIRTY); -} - -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - */ - -#define mk_pte(page, pgprot) __mk_pte((page) - mem_map, (pgprot)) - -/* This takes a physical page address that is used by the remapping functions */ -#define mk_pte_phys(physpage, pgprot) __mk_pte((physpage) >> PAGE_SHIFT, pgprot) - -static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) -{ - pte.pte_low &= _PAGE_CHG_MASK; - pte.pte_low |= pgprot_val(newprot); - return pte; -} - -#define page_pte(page) page_pte_prot(page, __pgprot(0)) - -#define pmd_page(pmd) \ -((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) - -/* to find an entry in a page-table-directory. */ -#define pgd_index(address) ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) - -#define __pgd_offset(address) pgd_index(address) - -#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) - -/* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(address) pgd_offset(&init_mm, address) - -#define __pmd_offset(address) \ - (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) - -/* Find an entry in the third-level page table.. */ -#define __pte_offset(address) \ - ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset(dir, address) ((pte_t *) pmd_page(*(dir)) + \ - __pte_offset(address)) - -/* - * The i386 doesn't have any external MMU info: the kernel page - * tables contain all the necessary information. - */ -#define update_mmu_cache(vma,address,pte) do { } while (0) - -/* Encode and de-code a swap entry */ -#define SWP_TYPE(x) (((x).val >> 1) & 0x3f) -#define SWP_OFFSET(x) ((x).val >> 8) -#define SWP_ENTRY(type, offset) ((swp_entry_t) { ((type) << 1) | ((offset) << 8) }) -#define pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) -#define swp_entry_to_pte(x) ((pte_t) { (x).val }) - -#endif /* !__ASSEMBLY__ */ - -/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ -#define PageSkip(page) (0) -#define kern_addr_valid(addr) (1) - -#define io_remap_page_range remap_page_range - -#endif /* _I386_PGTABLE_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/poll.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/poll.h deleted file mode 100644 index e5feda71b3..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/poll.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef __i386_POLL_H -#define __i386_POLL_H - -/* These are specified by iBCS2 */ -#define POLLIN 0x0001 -#define POLLPRI 0x0002 -#define POLLOUT 0x0004 -#define POLLERR 0x0008 -#define POLLHUP 0x0010 -#define POLLNVAL 0x0020 - -/* The rest seem to be more-or-less nonstandard. Check them! */ -#define POLLRDNORM 0x0040 -#define POLLRDBAND 0x0080 -#define POLLWRNORM 0x0100 -#define POLLWRBAND 0x0200 -#define POLLMSG 0x0400 - -struct pollfd { - int fd; - short events; - short revents; -}; - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/posix_types.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/posix_types.h deleted file mode 100644 index 5529f32702..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/posix_types.h +++ /dev/null @@ -1,80 +0,0 @@ -#ifndef __ARCH_I386_POSIX_TYPES_H -#define __ARCH_I386_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned short __kernel_dev_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(fd,fdsetp) \ - __asm__ __volatile__("btsl %1,%0": \ - "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd))) - -#undef __FD_CLR -#define __FD_CLR(fd,fdsetp) \ - __asm__ __volatile__("btrl %1,%0": \ - "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd))) - -#undef __FD_ISSET -#define __FD_ISSET(fd,fdsetp) (__extension__ ({ \ - unsigned char __result; \ - __asm__ __volatile__("btl %1,%2 ; setb %0" \ - :"=q" (__result) :"r" ((int) (fd)), \ - "m" (*(__kernel_fd_set *) (fdsetp))); \ - __result; })) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) \ -do { \ - int __d0, __d1; \ - __asm__ __volatile__("cld ; rep ; stosl" \ - :"=m" (*(__kernel_fd_set *) (fdsetp)), \ - "=&c" (__d0), "=&D" (__d1) \ - :"a" (0), "1" (__FDSET_LONGS), \ - "2" ((__kernel_fd_set *) (fdsetp)) : "memory"); \ -} while (0) - -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/processor.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/processor.h deleted file mode 100644 index 3e65e199f0..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/processor.h +++ /dev/null @@ -1,484 +0,0 @@ -/* - * include/asm-i386/processor.h - * - * Copyright (C) 1994 Linus Torvalds - */ - -#ifndef __ASM_I386_PROCESSOR_H -#define __ASM_I386_PROCESSOR_H - -#include <asm/math_emu.h> -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/types.h> -#include <asm/sigcontext.h> -#include <asm/cpufeature.h> -#include <linux/cache.h> -#include <linux/config.h> -#include <linux/threads.h> - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) - -/* - * CPU type and hardware bug flags. Kept separately for each CPU. - * Members of this structure are referenced in head.S, so think twice - * before touching them. [mj] - */ - -struct cpuinfo_x86 { - __u8 x86; /* CPU family */ - __u8 x86_vendor; /* CPU vendor */ - __u8 x86_model; - __u8 x86_mask; - char wp_works_ok; /* It doesn't on 386's */ - char hlt_works_ok; /* Problems on some 486Dx4's and old 386's */ - char hard_math; - char rfu; - int cpuid_level; /* Maximum supported CPUID level, -1=no CPUID */ - __u32 x86_capability[NCAPINTS]; - char x86_vendor_id[16]; - char x86_model_id[64]; - int x86_cache_size; /* in KB - valid for CPUS which support this - call */ - int fdiv_bug; - int f00f_bug; - int coma_bug; - unsigned long loops_per_jiffy; - unsigned long *pgd_quick; - unsigned long *pmd_quick; - unsigned long *pte_quick; - unsigned long pgtable_cache_sz; -} __attribute__((__aligned__(SMP_CACHE_BYTES))); - -#define X86_VENDOR_INTEL 0 -#define X86_VENDOR_CYRIX 1 -#define X86_VENDOR_AMD 2 -#define X86_VENDOR_UMC 3 -#define X86_VENDOR_NEXGEN 4 -#define X86_VENDOR_CENTAUR 5 -#define X86_VENDOR_RISE 6 -#define X86_VENDOR_TRANSMETA 7 -#define X86_VENDOR_UNKNOWN 0xff - -/* - * capabilities of CPUs - */ - -extern struct cpuinfo_x86 boot_cpu_data; -extern struct tss_struct init_tss[NR_CPUS]; - -#ifdef CONFIG_SMP -extern struct cpuinfo_x86 cpu_data[]; -#define current_cpu_data cpu_data[smp_processor_id()] -#else -#define cpu_data (&boot_cpu_data) -#define current_cpu_data boot_cpu_data -#endif - -#define cpu_has_pge (test_bit(X86_FEATURE_PGE, boot_cpu_data.x86_capability)) -#define cpu_has_pse (test_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability)) -#define cpu_has_pae (test_bit(X86_FEATURE_PAE, boot_cpu_data.x86_capability)) -#define cpu_has_tsc (test_bit(X86_FEATURE_TSC, boot_cpu_data.x86_capability)) -#define cpu_has_de (test_bit(X86_FEATURE_DE, boot_cpu_data.x86_capability)) -#define cpu_has_vme (test_bit(X86_FEATURE_VME, boot_cpu_data.x86_capability)) -#define cpu_has_fxsr (test_bit(X86_FEATURE_FXSR, boot_cpu_data.x86_capability)) -#define cpu_has_xmm (test_bit(X86_FEATURE_XMM, boot_cpu_data.x86_capability)) -#define cpu_has_fpu (test_bit(X86_FEATURE_FPU, boot_cpu_data.x86_capability)) -#define cpu_has_apic (test_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability)) - -extern char ignore_irq13; - -extern void identify_cpu(struct cpuinfo_x86 *); -extern void print_cpu_info(struct cpuinfo_x86 *); - -/* - * EFLAGS bits - */ -#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */ -#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */ -#define X86_EFLAGS_AF 0x00000010 /* Auxillary carry Flag */ -#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */ -#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */ -#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */ -#define X86_EFLAGS_IF 0x00000200 /* Interrupt Flag */ -#define X86_EFLAGS_DF 0x00000400 /* Direction Flag */ -#define X86_EFLAGS_OF 0x00000800 /* Overflow Flag */ -#define X86_EFLAGS_IOPL 0x00003000 /* IOPL mask */ -#define X86_EFLAGS_NT 0x00004000 /* Nested Task */ -#define X86_EFLAGS_RF 0x00010000 /* Resume Flag */ -#define X86_EFLAGS_VM 0x00020000 /* Virtual Mode */ -#define X86_EFLAGS_AC 0x00040000 /* Alignment Check */ -#define X86_EFLAGS_VIF 0x00080000 /* Virtual Interrupt Flag */ -#define X86_EFLAGS_VIP 0x00100000 /* Virtual Interrupt Pending */ -#define X86_EFLAGS_ID 0x00200000 /* CPUID detection flag */ - -/* - * Generic CPUID function - */ -static inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx) -{ - __asm__("cpuid" - : "=a" (*eax), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op)); -} - -/* - * CPUID functions returning a single datum - */ -static inline unsigned int cpuid_eax(unsigned int op) -{ - unsigned int eax; - - __asm__("cpuid" - : "=a" (eax) - : "0" (op) - : "bx", "cx", "dx"); - return eax; -} -static inline unsigned int cpuid_ebx(unsigned int op) -{ - unsigned int eax, ebx; - - __asm__("cpuid" - : "=a" (eax), "=b" (ebx) - : "0" (op) - : "cx", "dx" ); - return ebx; -} -static inline unsigned int cpuid_ecx(unsigned int op) -{ - unsigned int eax, ecx; - - __asm__("cpuid" - : "=a" (eax), "=c" (ecx) - : "0" (op) - : "bx", "dx" ); - return ecx; -} -static inline unsigned int cpuid_edx(unsigned int op) -{ - unsigned int eax, edx; - - __asm__("cpuid" - : "=a" (eax), "=d" (edx) - : "0" (op) - : "bx", "cx"); - return edx; -} - -/* - * Intel CPU features in CR4 - */ -#define X86_CR4_VME 0x0001 /* enable vm86 extensions */ -#define X86_CR4_PVI 0x0002 /* virtual interrupts flag enable */ -#define X86_CR4_TSD 0x0004 /* disable time stamp at ipl 3 */ -#define X86_CR4_DE 0x0008 /* enable debugging extensions */ -#define X86_CR4_PSE 0x0010 /* enable page size extensions */ -#define X86_CR4_PAE 0x0020 /* enable physical address extensions */ -#define X86_CR4_MCE 0x0040 /* Machine check enable */ -#define X86_CR4_PGE 0x0080 /* enable global pages */ -#define X86_CR4_PCE 0x0100 /* enable performance counters at ipl 3 */ -#define X86_CR4_OSFXSR 0x0200 /* enable fast FPU save and restore */ -#define X86_CR4_OSXMMEXCPT 0x0400 /* enable unmasked SSE exceptions */ - -extern unsigned long mmu_cr4_features; - -#include <asm/hypervisor.h> - -static inline void set_in_cr4 (unsigned long mask) -{ - HYPERVISOR_console_write("No set_in_cr4", 13); -} - -static inline void clear_in_cr4 (unsigned long mask) -{ - HYPERVISOR_console_write("No clear_in_cr4", 15); -} - -/* - * Cyrix CPU configuration register indexes - */ -#define CX86_CCR0 0xc0 -#define CX86_CCR1 0xc1 -#define CX86_CCR2 0xc2 -#define CX86_CCR3 0xc3 -#define CX86_CCR4 0xe8 -#define CX86_CCR5 0xe9 -#define CX86_CCR6 0xea -#define CX86_CCR7 0xeb -#define CX86_DIR0 0xfe -#define CX86_DIR1 0xff -#define CX86_ARR_BASE 0xc4 -#define CX86_RCR_BASE 0xdc - -/* - * Cyrix CPU indexed register access macros - */ - -#define getCx86(reg) ({ outb((reg), 0x22); inb(0x23); }) - -#define setCx86(reg, data) do { \ - outb((reg), 0x22); \ - outb((data), 0x23); \ -} while (0) - -/* - * Bus types (default is ISA, but people can check others with these..) - */ -#ifdef CONFIG_EISA -extern int EISA_bus; -#else -#define EISA_bus (0) -#endif -extern int MCA_bus; - -/* from system description table in BIOS. Mostly for MCA use, but -others may find it useful. */ -extern unsigned int machine_id; -extern unsigned int machine_submodel_id; -extern unsigned int BIOS_revision; -extern unsigned int mca_pentium_flag; - -/* - * User space process size: 3GB (default). - */ -#define TASK_SIZE (PAGE_OFFSET) - -/* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ -#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) - -/* - * Size of io_bitmap in longwords: 32 is ports 0-0x3ff. - */ -#define IO_BITMAP_SIZE 32 -#define IO_BITMAP_OFFSET offsetof(struct tss_struct,io_bitmap) -#define INVALID_IO_BITMAP_OFFSET 0x8000 - -struct i387_fsave_struct { - long cwd; - long swd; - long twd; - long fip; - long fcs; - long foo; - long fos; - long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ - long status; /* software status information */ -}; - -struct i387_fxsave_struct { - unsigned short cwd; - unsigned short swd; - unsigned short twd; - unsigned short fop; - long fip; - long fcs; - long foo; - long fos; - long mxcsr; - long reserved; - long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ - long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ - long padding[56]; -} __attribute__ ((aligned (16))); - -struct i387_soft_struct { - long cwd; - long swd; - long twd; - long fip; - long fcs; - long foo; - long fos; - long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ - unsigned char ftop, changed, lookahead, no_update, rm, alimit; - struct info *info; - unsigned long entry_eip; -}; - -union i387_union { - struct i387_fsave_struct fsave; - struct i387_fxsave_struct fxsave; - struct i387_soft_struct soft; -}; - -typedef struct { - unsigned long seg; -} mm_segment_t; - -struct tss_struct { - unsigned short back_link,__blh; - unsigned long esp0; - unsigned short ss0,__ss0h; - unsigned long esp1; - unsigned short ss1,__ss1h; - unsigned long esp2; - unsigned short ss2,__ss2h; - unsigned long __cr3; - unsigned long eip; - unsigned long eflags; - unsigned long eax,ecx,edx,ebx; - unsigned long esp; - unsigned long ebp; - unsigned long esi; - unsigned long edi; - unsigned short es, __esh; - unsigned short cs, __csh; - unsigned short ss, __ssh; - unsigned short ds, __dsh; - unsigned short fs, __fsh; - unsigned short gs, __gsh; - unsigned short ldt, __ldth; - unsigned short trace, bitmap; - unsigned long io_bitmap[IO_BITMAP_SIZE+1]; - /* - * pads the TSS to be cacheline-aligned (size is 0x100) - */ - unsigned long __cacheline_filler[5]; -}; - -struct thread_struct { - unsigned long esp0; - unsigned long eip; - unsigned long esp; - unsigned long fs; - unsigned long gs; -/* Hardware debugging registers */ - unsigned long debugreg[8]; /* %%db0-7 debug registers */ -/* fault info */ - unsigned long cr2, trap_no, error_code; -/* floating point info */ - union i387_union i387; -/* virtual 86 mode info */ - struct vm86_struct * vm86_info; - unsigned long screen_bitmap; - unsigned long v86flags, v86mask, v86mode, saved_esp0; -}; - -#define INIT_THREAD { 0 } - -#define INIT_TSS { \ - 0,0, /* back_link, __blh */ \ - sizeof(init_stack) + (long) &init_stack, /* esp0 */ \ - __KERNEL_DS, 0, /* ss0 */ \ - 0,0,0,0,0,0, /* stack1, stack2 */ \ - 0, /* cr3 */ \ - 0,0, /* eip,eflags */ \ - 0,0,0,0, /* eax,ecx,edx,ebx */ \ - 0,0,0,0, /* esp,ebp,esi,edi */ \ - 0,0,0,0,0,0, /* es,cs,ss */ \ - 0,0,0,0,0,0, /* ds,fs,gs */ \ - __LDT(0),0, /* ldt */ \ - 0, INVALID_IO_BITMAP_OFFSET, /* tace, bitmap */ \ - {~0, } /* ioperm */ \ -} - -#define start_thread(regs, new_eip, new_esp) do { \ - __asm__("movl %0,%%fs ; movl %0,%%gs": :"r" (0)); \ - set_fs(USER_DS); \ - regs->xds = __USER_DS; \ - regs->xes = __USER_DS; \ - regs->xss = __USER_DS; \ - regs->xcs = __USER_CS; \ - regs->eip = new_eip; \ - regs->esp = new_esp; \ -} while (0) - -/* Forward declaration, a strange C thing */ -struct task_struct; -struct mm_struct; - -/* Free all resources held by a thread. */ -extern void release_thread(struct task_struct *); -/* - * create a kernel thread without removing it from tasklists - */ -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - -/* Copy and release all segment info associated with a VM */ -extern void copy_segments(struct task_struct *p, struct mm_struct * mm); -extern void release_segments(struct mm_struct * mm); - -/* - * Return saved PC of a blocked thread. - */ -static inline unsigned long thread_saved_pc(struct thread_struct *t) -{ - return ((unsigned long *)t->esp)[3]; -} - -unsigned long get_wchan(struct task_struct *p); -#define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1019]) -#define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1022]) - -#define THREAD_SIZE (2*PAGE_SIZE) -#define alloc_task_struct() ((struct task_struct *) __get_free_pages(GFP_KERNEL,1)) -#define free_task_struct(p) free_pages((unsigned long) (p), 1) -#define get_task_struct(tsk) atomic_inc(&virt_to_page(tsk)->count) - -#define init_task (init_task_union.task) -#define init_stack (init_task_union.stack) - -struct microcode { - unsigned int hdrver; - unsigned int rev; - unsigned int date; - unsigned int sig; - unsigned int cksum; - unsigned int ldrver; - unsigned int pf; - unsigned int reserved[5]; - unsigned int bits[500]; -}; - -/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */ -#define MICROCODE_IOCFREE _IO('6',0) - -/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ -static inline void rep_nop(void) -{ - __asm__ __volatile__("rep;nop"); -} - -#define cpu_relax() rep_nop() - -/* Prefetch instructions for Pentium III and AMD Athlon */ -#ifdef CONFIG_MPENTIUMIII - -#define ARCH_HAS_PREFETCH -extern inline void prefetch(const void *x) -{ - __asm__ __volatile__ ("prefetchnta (%0)" : : "r"(x)); -} - -#elif CONFIG_X86_USE_3DNOW - -#define ARCH_HAS_PREFETCH -#define ARCH_HAS_PREFETCHW -#define ARCH_HAS_SPINLOCK_PREFETCH - -extern inline void prefetch(const void *x) -{ - __asm__ __volatile__ ("prefetch (%0)" : : "r"(x)); -} - -extern inline void prefetchw(const void *x) -{ - __asm__ __volatile__ ("prefetchw (%0)" : : "r"(x)); -} -#define spin_lock_prefetch(x) prefetchw(x) - -#endif - -#define TF_MASK 0x100 - -#endif /* __ASM_I386_PROCESSOR_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ptrace.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ptrace.h deleted file mode 100644 index f6d95dcf62..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ptrace.h +++ /dev/null @@ -1,86 +0,0 @@ -#ifndef _I386_PTRACE_H -#define _I386_PTRACE_H - -#define EBX 0 -#define ECX 1 -#define EDX 2 -#define ESI 3 -#define EDI 4 -#define EBP 5 -#define EAX 6 -#define DS 7 -#define ES 8 -#define FS 9 -#define GS 10 -#define ORIG_EAX 11 -#define EIP 12 -#define CS 13 -#define EFL 14 -#define UESP 15 -#define SS 16 -#define FRAME_SIZE 17 - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -struct pt_regs { - long ebx; - long ecx; - long edx; - long esi; - long edi; - long ebp; - long eax; - int xds; - int xes; - long orig_eax; - long eip; - int xcs; - long eflags; - long esp; - int xss; -}; - -/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_GETFPXREGS 18 -#define PTRACE_SETFPXREGS 19 - -#define PTRACE_SETOPTIONS 21 - -/* options set using PTRACE_SETOPTIONS */ -#define PTRACE_O_TRACESYSGOOD 0x00000001 - -enum EFLAGS { - EF_CF = 0x00000001, - EF_PF = 0x00000004, - EF_AF = 0x00000010, - EF_ZF = 0x00000040, - EF_SF = 0x00000080, - EF_TF = 0x00000100, - EF_IE = 0x00000200, - EF_DF = 0x00000400, - EF_OF = 0x00000800, - EF_IOPL = 0x00003000, - EF_IOPL_RING0 = 0x00000000, - EF_IOPL_RING1 = 0x00001000, - EF_IOPL_RING2 = 0x00002000, - EF_NT = 0x00004000, /* nested task */ - EF_RF = 0x00010000, /* resume */ - EF_VM = 0x00020000, /* virtual mode */ - EF_AC = 0x00040000, /* alignment */ - EF_VIF = 0x00080000, /* virtual interrupt */ - EF_VIP = 0x00100000, /* virtual interrupt pending */ - EF_ID = 0x00200000, /* id */ -}; - -#ifdef __KERNEL__ -#define user_mode(regs) ((regs) && (3 & (regs)->xcs)) -#define instruction_pointer(regs) ((regs) ? (regs)->eip : NULL) -extern void show_regs(struct pt_regs *); -#endif - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/resource.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/resource.h deleted file mode 100644 index e0da3ad1d0..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/resource.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _I386_RESOURCE_H -#define _I386_RESOURCE_H - -/* - * Resource limits - */ - -#define RLIMIT_CPU 0 /* CPU time in ms */ -#define RLIMIT_FSIZE 1 /* Maximum filesize */ -#define RLIMIT_DATA 2 /* max data size */ -#define RLIMIT_STACK 3 /* max stack size */ -#define RLIMIT_CORE 4 /* max core file size */ -#define RLIMIT_RSS 5 /* max resident set size */ -#define RLIMIT_NPROC 6 /* max number of processes */ -#define RLIMIT_NOFILE 7 /* max number of open files */ -#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */ -#define RLIMIT_AS 9 /* address space limit */ -#define RLIMIT_LOCKS 10 /* maximum file locks held */ - -#define RLIM_NLIMITS 11 - -/* - * SuS says limits have to be unsigned. - * Which makes a ton more sense anyway. - */ -#define RLIM_INFINITY (~0UL) - -#ifdef __KERNEL__ - -#define INIT_RLIMITS \ -{ \ - { RLIM_INFINITY, RLIM_INFINITY }, \ - { RLIM_INFINITY, RLIM_INFINITY }, \ - { RLIM_INFINITY, RLIM_INFINITY }, \ - { _STK_LIM, RLIM_INFINITY }, \ - { 0, RLIM_INFINITY }, \ - { RLIM_INFINITY, RLIM_INFINITY }, \ - { 0, 0 }, \ - { INR_OPEN, INR_OPEN }, \ - { RLIM_INFINITY, RLIM_INFINITY }, \ - { RLIM_INFINITY, RLIM_INFINITY }, \ - { RLIM_INFINITY, RLIM_INFINITY }, \ -} - -#endif /* __KERNEL__ */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/rwlock.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/rwlock.h deleted file mode 100644 index 9475419f95..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/rwlock.h +++ /dev/null @@ -1,83 +0,0 @@ -/* include/asm-i386/rwlock.h - * - * Helpers used by both rw spinlocks and rw semaphores. - * - * Based in part on code from semaphore.h and - * spinlock.h Copyright 1996 Linus Torvalds. - * - * Copyright 1999 Red Hat, Inc. - * - * Written by Benjamin LaHaise. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#ifndef _ASM_I386_RWLOCK_H -#define _ASM_I386_RWLOCK_H - -#define RW_LOCK_BIAS 0x01000000 -#define RW_LOCK_BIAS_STR "0x01000000" - -#define __build_read_lock_ptr(rw, helper) \ - asm volatile(LOCK "subl $1,(%0)\n\t" \ - "js 2f\n" \ - "1:\n" \ - ".section .text.lock,\"ax\"\n" \ - "2:\tcall " helper "\n\t" \ - "jmp 1b\n" \ - ".previous" \ - ::"a" (rw) : "memory") - -#define __build_read_lock_const(rw, helper) \ - asm volatile(LOCK "subl $1,%0\n\t" \ - "js 2f\n" \ - "1:\n" \ - ".section .text.lock,\"ax\"\n" \ - "2:\tpushl %%eax\n\t" \ - "leal %0,%%eax\n\t" \ - "call " helper "\n\t" \ - "popl %%eax\n\t" \ - "jmp 1b\n" \ - ".previous" \ - :"=m" (*(volatile int *)rw) : : "memory") - -#define __build_read_lock(rw, helper) do { \ - if (__builtin_constant_p(rw)) \ - __build_read_lock_const(rw, helper); \ - else \ - __build_read_lock_ptr(rw, helper); \ - } while (0) - -#define __build_write_lock_ptr(rw, helper) \ - asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ - "jnz 2f\n" \ - "1:\n" \ - ".section .text.lock,\"ax\"\n" \ - "2:\tcall " helper "\n\t" \ - "jmp 1b\n" \ - ".previous" \ - ::"a" (rw) : "memory") - -#define __build_write_lock_const(rw, helper) \ - asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ - "jnz 2f\n" \ - "1:\n" \ - ".section .text.lock,\"ax\"\n" \ - "2:\tpushl %%eax\n\t" \ - "leal %0,%%eax\n\t" \ - "call " helper "\n\t" \ - "popl %%eax\n\t" \ - "jmp 1b\n" \ - ".previous" \ - :"=m" (*(volatile int *)rw) : : "memory") - -#define __build_write_lock(rw, helper) do { \ - if (__builtin_constant_p(rw)) \ - __build_write_lock_const(rw, helper); \ - else \ - __build_write_lock_ptr(rw, helper); \ - } while (0) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/rwsem.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/rwsem.h deleted file mode 100644 index 0d416f7aef..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/rwsem.h +++ /dev/null @@ -1,226 +0,0 @@ -/* rwsem.h: R/W semaphores implemented using XADD/CMPXCHG for i486+ - * - * Written by David Howells (dhowells@redhat.com). - * - * Derived from asm-i386/semaphore.h - * - * - * The MSW of the count is the negated number of active writers and waiting - * lockers, and the LSW is the total number of active locks - * - * The lock count is initialized to 0 (no active and no waiting lockers). - * - * When a writer subtracts WRITE_BIAS, it'll get 0xffff0001 for the case of an - * uncontended lock. This can be determined because XADD returns the old value. - * Readers increment by 1 and see a positive value when uncontended, negative - * if there are writers (and maybe) readers waiting (in which case it goes to - * sleep). - * - * The value of WAITING_BIAS supports up to 32766 waiting processes. This can - * be extended to 65534 by manually checking the whole MSW rather than relying - * on the S flag. - * - * The value of ACTIVE_BIAS supports up to 65535 active processes. - * - * This should be totally fair - if anything is waiting, a process that wants a - * lock will go to the back of the queue. When the currently active lock is - * released, if there's a writer at the front of the queue, then that and only - * that will be woken up; if there's a bunch of consequtive readers at the - * front, then they'll all be woken up, but no other readers will be. - */ - -#ifndef _I386_RWSEM_H -#define _I386_RWSEM_H - -#ifndef _LINUX_RWSEM_H -#error please dont include asm/rwsem.h directly, use linux/rwsem.h instead -#endif - -#ifdef __KERNEL__ - -#include <linux/list.h> -#include <linux/spinlock.h> - -struct rwsem_waiter; - -extern struct rw_semaphore *FASTCALL(rwsem_down_read_failed(struct rw_semaphore *sem)); -extern struct rw_semaphore *FASTCALL(rwsem_down_write_failed(struct rw_semaphore *sem)); -extern struct rw_semaphore *FASTCALL(rwsem_wake(struct rw_semaphore *)); - -/* - * the semaphore definition - */ -struct rw_semaphore { - signed long count; -#define RWSEM_UNLOCKED_VALUE 0x00000000 -#define RWSEM_ACTIVE_BIAS 0x00000001 -#define RWSEM_ACTIVE_MASK 0x0000ffff -#define RWSEM_WAITING_BIAS (-0x00010000) -#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) - spinlock_t wait_lock; - struct list_head wait_list; -#if RWSEM_DEBUG - int debug; -#endif -}; - -/* - * initialisation - */ -#if RWSEM_DEBUG -#define __RWSEM_DEBUG_INIT , 0 -#else -#define __RWSEM_DEBUG_INIT /* */ -#endif - -#define __RWSEM_INITIALIZER(name) \ -{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEBUG_INIT } - -#define DECLARE_RWSEM(name) \ - struct rw_semaphore name = __RWSEM_INITIALIZER(name) - -static inline void init_rwsem(struct rw_semaphore *sem) -{ - sem->count = RWSEM_UNLOCKED_VALUE; - spin_lock_init(&sem->wait_lock); - INIT_LIST_HEAD(&sem->wait_list); -#if RWSEM_DEBUG - sem->debug = 0; -#endif -} - -/* - * lock for reading - */ -static inline void __down_read(struct rw_semaphore *sem) -{ - __asm__ __volatile__( - "# beginning down_read\n\t" -LOCK_PREFIX " incl (%%eax)\n\t" /* adds 0x00000001, returns the old value */ - " js 2f\n\t" /* jump if we weren't granted the lock */ - "1:\n\t" - ".section .text.lock,\"ax\"\n" - "2:\n\t" - " pushl %%ecx\n\t" - " pushl %%edx\n\t" - " call rwsem_down_read_failed\n\t" - " popl %%edx\n\t" - " popl %%ecx\n\t" - " jmp 1b\n" - ".previous" - "# ending down_read\n\t" - : "+m"(sem->count) - : "a"(sem) - : "memory", "cc"); -} - -/* - * lock for writing - */ -static inline void __down_write(struct rw_semaphore *sem) -{ - int tmp; - - tmp = RWSEM_ACTIVE_WRITE_BIAS; - __asm__ __volatile__( - "# beginning down_write\n\t" -LOCK_PREFIX " xadd %0,(%%eax)\n\t" /* subtract 0x0000ffff, returns the old value */ - " testl %0,%0\n\t" /* was the count 0 before? */ - " jnz 2f\n\t" /* jump if we weren't granted the lock */ - "1:\n\t" - ".section .text.lock,\"ax\"\n" - "2:\n\t" - " pushl %%ecx\n\t" - " call rwsem_down_write_failed\n\t" - " popl %%ecx\n\t" - " jmp 1b\n" - ".previous\n" - "# ending down_write" - : "+d"(tmp), "+m"(sem->count) - : "a"(sem) - : "memory", "cc"); -} - -/* - * unlock after reading - */ -static inline void __up_read(struct rw_semaphore *sem) -{ - __s32 tmp = -RWSEM_ACTIVE_READ_BIAS; - __asm__ __volatile__( - "# beginning __up_read\n\t" -LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtracts 1, returns the old value */ - " js 2f\n\t" /* jump if the lock is being waited upon */ - "1:\n\t" - ".section .text.lock,\"ax\"\n" - "2:\n\t" - " decw %%dx\n\t" /* do nothing if still outstanding active readers */ - " jnz 1b\n\t" - " pushl %%ecx\n\t" - " call rwsem_wake\n\t" - " popl %%ecx\n\t" - " jmp 1b\n" - ".previous\n" - "# ending __up_read\n" - : "+m"(sem->count), "+d"(tmp) - : "a"(sem) - : "memory", "cc"); -} - -/* - * unlock after writing - */ -static inline void __up_write(struct rw_semaphore *sem) -{ - __asm__ __volatile__( - "# beginning __up_write\n\t" - " movl %2,%%edx\n\t" -LOCK_PREFIX " xaddl %%edx,(%%eax)\n\t" /* tries to transition 0xffff0001 -> 0x00000000 */ - " jnz 2f\n\t" /* jump if the lock is being waited upon */ - "1:\n\t" - ".section .text.lock,\"ax\"\n" - "2:\n\t" - " decw %%dx\n\t" /* did the active count reduce to 0? */ - " jnz 1b\n\t" /* jump back if not */ - " pushl %%ecx\n\t" - " call rwsem_wake\n\t" - " popl %%ecx\n\t" - " jmp 1b\n" - ".previous\n" - "# ending __up_write\n" - : "+m"(sem->count) - : "a"(sem), "i"(-RWSEM_ACTIVE_WRITE_BIAS) - : "memory", "cc", "edx"); -} - -/* - * implement atomic add functionality - */ -static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem) -{ - __asm__ __volatile__( -LOCK_PREFIX "addl %1,%0" - :"=m"(sem->count) - :"ir"(delta), "m"(sem->count)); -} - -/* - * implement exchange and add functionality - */ -static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) -{ - int tmp = delta; - - __asm__ __volatile__( -LOCK_PREFIX "xadd %0,(%2)" - : "+r"(tmp), "=m"(sem->count) - : "r"(sem), "m"(sem->count) - : "memory"); - - return tmp+delta; -} - -#endif /* __KERNEL__ */ -#endif /* _I386_RWSEM_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/scatterlist.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/scatterlist.h deleted file mode 100644 index 9e2614f232..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/scatterlist.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef _I386_SCATTERLIST_H -#define _I386_SCATTERLIST_H - -struct scatterlist { - char * address; /* Location data is to be transferred to, NULL for - * highmem page */ - struct page * page; /* Location for highmem page, if any */ - unsigned int offset;/* for highmem, page offset */ - - dma_addr_t dma_address; - unsigned int length; -}; - -#define ISA_DMA_THRESHOLD (0x00ffffff) - -#endif /* !(_I386_SCATTERLIST_H) */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/segment.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/segment.h deleted file mode 100644 index 5623211570..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/segment.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef _ASM_SEGMENT_H -#define _ASM_SEGMENT_H - -#define __KERNEL_CS 0x11 -#define __KERNEL_DS 0x19 - -#define __USER_CS 0x23 -#define __USER_DS 0x2B - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/semaphore.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/semaphore.h deleted file mode 100644 index 76c738e735..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/semaphore.h +++ /dev/null @@ -1,216 +0,0 @@ -#ifndef _I386_SEMAPHORE_H -#define _I386_SEMAPHORE_H - -#include <linux/linkage.h> - -#ifdef __KERNEL__ - -/* - * SMP- and interrupt-safe semaphores.. - * - * (C) Copyright 1996 Linus Torvalds - * - * Modified 1996-12-23 by Dave Grothe <dave@gcom.com> to fix bugs in - * the original code and to make semaphore waits - * interruptible so that processes waiting on - * semaphores can be killed. - * Modified 1999-02-14 by Andrea Arcangeli, split the sched.c helper - * functions in asm/sempahore-helper.h while fixing a - * potential and subtle race discovered by Ulrich Schmid - * in down_interruptible(). Since I started to play here I - * also implemented the `trylock' semaphore operation. - * 1999-07-02 Artur Skawina <skawina@geocities.com> - * Optimized "0(ecx)" -> "(ecx)" (the assembler does not - * do this). Changed calling sequences from push/jmp to - * traditional call/ret. - * Modified 2001-01-01 Andreas Franck <afranck@gmx.de> - * Some hacks to ensure compatibility with recent - * GCC snapshots, to avoid stack corruption when compiling - * with -fomit-frame-pointer. It's not sure if this will - * be fixed in GCC, as our previous implementation was a - * bit dubious. - * - * If you would like to see an analysis of this implementation, please - * ftp to gcom.com and download the file - * /pub/linux/src/semaphore/semaphore-2.0.24.tar.gz. - * - */ - -#include <asm/system.h> -#include <asm/atomic.h> -#include <linux/wait.h> -#include <linux/rwsem.h> - -struct semaphore { - atomic_t count; - int sleepers; - wait_queue_head_t wait; -#if WAITQUEUE_DEBUG - long __magic; -#endif -}; - -#if WAITQUEUE_DEBUG -# define __SEM_DEBUG_INIT(name) \ - , (int)&(name).__magic -#else -# define __SEM_DEBUG_INIT(name) -#endif - -#define __SEMAPHORE_INITIALIZER(name,count) \ -{ ATOMIC_INIT(count), 0, __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \ - __SEM_DEBUG_INIT(name) } - -#define __MUTEX_INITIALIZER(name) \ - __SEMAPHORE_INITIALIZER(name,1) - -#define __DECLARE_SEMAPHORE_GENERIC(name,count) \ - struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) - -#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1) -#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0) - -static inline void sema_init (struct semaphore *sem, int val) -{ -/* - * *sem = (struct semaphore)__SEMAPHORE_INITIALIZER((*sem),val); - * - * i'd rather use the more flexible initialization above, but sadly - * GCC 2.7.2.3 emits a bogus warning. EGCS doesnt. Oh well. - */ - atomic_set(&sem->count, val); - sem->sleepers = 0; - init_waitqueue_head(&sem->wait); -#if WAITQUEUE_DEBUG - sem->__magic = (int)&sem->__magic; -#endif -} - -static inline void init_MUTEX (struct semaphore *sem) -{ - sema_init(sem, 1); -} - -static inline void init_MUTEX_LOCKED (struct semaphore *sem) -{ - sema_init(sem, 0); -} - -asmlinkage void __down_failed(void /* special register calling convention */); -asmlinkage int __down_failed_interruptible(void /* params in registers */); -asmlinkage int __down_failed_trylock(void /* params in registers */); -asmlinkage void __up_wakeup(void /* special register calling convention */); - -asmlinkage void __down(struct semaphore * sem); -asmlinkage int __down_interruptible(struct semaphore * sem); -asmlinkage int __down_trylock(struct semaphore * sem); -asmlinkage void __up(struct semaphore * sem); - -/* - * This is ugly, but we want the default case to fall through. - * "__down_failed" is a special asm handler that calls the C - * routine that actually waits. See arch/i386/kernel/semaphore.c - */ -static inline void down(struct semaphore * sem) -{ -#if WAITQUEUE_DEBUG - CHECK_MAGIC(sem->__magic); -#endif - - __asm__ __volatile__( - "# atomic down operation\n\t" - LOCK "decl %0\n\t" /* --sem->count */ - "js 2f\n" - "1:\n" - ".section .text.lock,\"ax\"\n" - "2:\tcall __down_failed\n\t" - "jmp 1b\n" - ".previous" - :"=m" (sem->count) - :"c" (sem) - :"memory"); -} - -/* - * Interruptible try to acquire a semaphore. If we obtained - * it, return zero. If we were interrupted, returns -EINTR - */ -static inline int down_interruptible(struct semaphore * sem) -{ - int result; - -#if WAITQUEUE_DEBUG - CHECK_MAGIC(sem->__magic); -#endif - - __asm__ __volatile__( - "# atomic interruptible down operation\n\t" - LOCK "decl %1\n\t" /* --sem->count */ - "js 2f\n\t" - "xorl %0,%0\n" - "1:\n" - ".section .text.lock,\"ax\"\n" - "2:\tcall __down_failed_interruptible\n\t" - "jmp 1b\n" - ".previous" - :"=a" (result), "=m" (sem->count) - :"c" (sem) - :"memory"); - return result; -} - -/* - * Non-blockingly attempt to down() a semaphore. - * Returns zero if we acquired it - */ -static inline int down_trylock(struct semaphore * sem) -{ - int result; - -#if WAITQUEUE_DEBUG - CHECK_MAGIC(sem->__magic); -#endif - - __asm__ __volatile__( - "# atomic interruptible down operation\n\t" - LOCK "decl %1\n\t" /* --sem->count */ - "js 2f\n\t" - "xorl %0,%0\n" - "1:\n" - ".section .text.lock,\"ax\"\n" - "2:\tcall __down_failed_trylock\n\t" - "jmp 1b\n" - ".previous" - :"=a" (result), "=m" (sem->count) - :"c" (sem) - :"memory"); - return result; -} - -/* - * Note! This is subtle. We jump to wake people up only if - * the semaphore was negative (== somebody was waiting on it). - * The default case (no contention) will result in NO - * jumps for both down() and up(). - */ -static inline void up(struct semaphore * sem) -{ -#if WAITQUEUE_DEBUG - CHECK_MAGIC(sem->__magic); -#endif - __asm__ __volatile__( - "# atomic up operation\n\t" - LOCK "incl %0\n\t" /* ++sem->count */ - "jle 2f\n" - "1:\n" - ".section .text.lock,\"ax\"\n" - "2:\tcall __up_wakeup\n\t" - "jmp 1b\n" - ".previous" - :"=m" (sem->count) - :"c" (sem) - :"memory"); -} - -#endif -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/sembuf.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/sembuf.h deleted file mode 100644 index 323835166c..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/sembuf.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef _I386_SEMBUF_H -#define _I386_SEMBUF_H - -/* - * The semid64_ds structure for i386 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct semid64_ds { - struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - __kernel_time_t sem_otime; /* last semop time */ - unsigned long __unused1; - __kernel_time_t sem_ctime; /* last change time */ - unsigned long __unused2; - unsigned long sem_nsems; /* no. of semaphores in array */ - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _I386_SEMBUF_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/serial.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/serial.h deleted file mode 100644 index ecc8278676..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/serial.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * include/asm-i386/serial.h - */ - -#include <linux/config.h> - -/* - * This assumes you have a 1.8432 MHz clock for your UART. - * - * It'd be nice if someone built a serial card with a 24.576 MHz - * clock, since the 16550A is capable of handling a top speed of 1.5 - * megabits/second; but this requires the faster clock. - */ -#define BASE_BAUD ( 1843200 / 16 ) - -/* Standard COM flags (except for COM4, because of the 8514 problem) */ -#ifdef CONFIG_SERIAL_DETECT_IRQ -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) -#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) -#else -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) -#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF -#endif - -#ifdef CONFIG_SERIAL_MANY_PORTS -#define FOURPORT_FLAGS ASYNC_FOURPORT -#define ACCENT_FLAGS 0 -#define BOCA_FLAGS 0 -#define HUB6_FLAGS 0 -#define RS_TABLE_SIZE 64 -#else -#define RS_TABLE_SIZE -#endif - -#define MCA_COM_FLAGS (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA) - -/* - * The following define the access methods for the HUB6 card. All - * access is through two ports for all 24 possible chips. The card is - * selected through the high 2 bits, the port on that card with the - * "middle" 3 bits, and the register on that port with the bottom - * 3 bits. - * - * While the access port and interrupt is configurable, the default - * port locations are 0x302 for the port control register, and 0x303 - * for the data read/write register. Normally, the interrupt is at irq3 - * but can be anything from 3 to 7 inclusive. Note that using 3 will - * require disabling com2. - */ - -#define C_P(card,port) (((card)<<6|(port)<<3) + 1) - -#define STD_SERIAL_PORT_DEFNS \ - /* UART CLK PORT IRQ FLAGS */ \ - { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ - { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ - { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ - { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ - - -#ifdef CONFIG_SERIAL_MANY_PORTS -#define EXTRA_SERIAL_PORT_DEFNS \ - { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \ - { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \ - { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \ - { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \ - { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \ - { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \ - { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \ - { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \ - { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \ - { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \ - { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \ - { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \ - { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \ - { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \ - { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \ - { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \ - { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \ - { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \ - { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \ - { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \ - { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \ - { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \ - { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \ - { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \ - { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \ - { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \ - { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \ - { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */ -#else -#define EXTRA_SERIAL_PORT_DEFNS -#endif - -/* You can have up to four HUB6's in the system, but I've only - * included two cards here for a total of twelve ports. - */ -#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS)) -#define HUB6_SERIAL_PORT_DFNS \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \ - { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */ -#else -#define HUB6_SERIAL_PORT_DFNS -#endif - -#ifdef CONFIG_MCA -#define MCA_SERIAL_PORT_DFNS \ - { 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS }, \ - { 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS }, \ - { 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS }, \ - { 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS }, \ - { 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS }, \ - { 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS }, -#else -#define MCA_SERIAL_PORT_DFNS -#endif - -#define SERIAL_PORT_DFNS \ - STD_SERIAL_PORT_DEFNS \ - EXTRA_SERIAL_PORT_DEFNS \ - HUB6_SERIAL_PORT_DFNS \ - MCA_SERIAL_PORT_DFNS - diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/setup.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/setup.h deleted file mode 100644 index ae25cc4275..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/setup.h +++ /dev/null @@ -1,10 +0,0 @@ -/* - * Just a place holder. We don't want to have to test x86 before - * we include stuff - */ - -#ifndef _i386_SETUP_H -#define _i386_SETUP_H - - -#endif /* _i386_SETUP_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/shmbuf.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/shmbuf.h deleted file mode 100644 index d1cdc3cb07..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/shmbuf.h +++ /dev/null @@ -1,42 +0,0 @@ -#ifndef _I386_SHMBUF_H -#define _I386_SHMBUF_H - -/* - * The shmid64_ds structure for i386 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct shmid64_ds { - struct ipc64_perm shm_perm; /* operation perms */ - size_t shm_segsz; /* size of segment (bytes) */ - __kernel_time_t shm_atime; /* last attach time */ - unsigned long __unused1; - __kernel_time_t shm_dtime; /* last detach time */ - unsigned long __unused2; - __kernel_time_t shm_ctime; /* last change time */ - unsigned long __unused3; - __kernel_pid_t shm_cpid; /* pid of creator */ - __kernel_pid_t shm_lpid; /* pid of last operator */ - unsigned long shm_nattch; /* no. of current attaches */ - unsigned long __unused4; - unsigned long __unused5; -}; - -struct shminfo64 { - unsigned long shmmax; - unsigned long shmmin; - unsigned long shmmni; - unsigned long shmseg; - unsigned long shmall; - unsigned long __unused1; - unsigned long __unused2; - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _I386_SHMBUF_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/shmparam.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/shmparam.h deleted file mode 100644 index 786243a5b3..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/shmparam.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASMI386_SHMPARAM_H -#define _ASMI386_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* _ASMI386_SHMPARAM_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/sigcontext.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/sigcontext.h deleted file mode 100644 index b51145936a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/sigcontext.h +++ /dev/null @@ -1,83 +0,0 @@ -#ifndef _ASMi386_SIGCONTEXT_H -#define _ASMi386_SIGCONTEXT_H - -/* - * As documented in the iBCS2 standard.. - * - * The first part of "struct _fpstate" is just the normal i387 - * hardware setup, the extra "status" word is used to save the - * coprocessor status word before entering the handler. - * - * Pentium III FXSR, SSE support - * Gareth Hughes <gareth@valinux.com>, May 2000 - * - * The FPU state data structure has had to grow to accomodate the - * extended FPU state required by the Streaming SIMD Extensions. - * There is no documented standard to accomplish this at the moment. - */ -struct _fpreg { - unsigned short significand[4]; - unsigned short exponent; -}; - -struct _fpxreg { - unsigned short significand[4]; - unsigned short exponent; - unsigned short padding[3]; -}; - -struct _xmmreg { - unsigned long element[4]; -}; - -struct _fpstate { - /* Regular FPU environment */ - unsigned long cw; - unsigned long sw; - unsigned long tag; - unsigned long ipoff; - unsigned long cssel; - unsigned long dataoff; - unsigned long datasel; - struct _fpreg _st[8]; - unsigned short status; - unsigned short magic; /* 0xffff = regular FPU data only */ - - /* FXSR FPU environment */ - unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ - unsigned long mxcsr; - unsigned long reserved; - struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ - struct _xmmreg _xmm[8]; - unsigned long padding[56]; -}; - -#define X86_FXSR_MAGIC 0x0000 - -struct sigcontext { - unsigned short gs, __gsh; - unsigned short fs, __fsh; - unsigned short es, __esh; - unsigned short ds, __dsh; - unsigned long edi; - unsigned long esi; - unsigned long ebp; - unsigned long esp; - unsigned long ebx; - unsigned long edx; - unsigned long ecx; - unsigned long eax; - unsigned long trapno; - unsigned long err; - unsigned long eip; - unsigned short cs, __csh; - unsigned long eflags; - unsigned long esp_at_signal; - unsigned short ss, __ssh; - struct _fpstate * fpstate; - unsigned long oldmask; - unsigned long cr2; -}; - - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/siginfo.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/siginfo.h deleted file mode 100644 index 9abf5427a9..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/siginfo.h +++ /dev/null @@ -1,232 +0,0 @@ -#ifndef _I386_SIGINFO_H -#define _I386_SIGINFO_H - -#include <linux/types.h> - -/* XXX: This structure was copied from the Alpha; is there an iBCS version? */ - -typedef union sigval { - int sival_int; - void *sival_ptr; -} sigval_t; - -#define SI_MAX_SIZE 128 -#define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3) - -typedef struct siginfo { - int si_signo; - int si_errno; - int si_code; - - union { - int _pad[SI_PAD_SIZE]; - - /* kill() */ - struct { - pid_t _pid; /* sender's pid */ - uid_t _uid; /* sender's uid */ - } _kill; - - /* POSIX.1b timers */ - struct { - unsigned int _timer1; - unsigned int _timer2; - } _timer; - - /* POSIX.1b signals */ - struct { - pid_t _pid; /* sender's pid */ - uid_t _uid; /* sender's uid */ - sigval_t _sigval; - } _rt; - - /* SIGCHLD */ - struct { - pid_t _pid; /* which child */ - uid_t _uid; /* sender's uid */ - int _status; /* exit code */ - clock_t _utime; - clock_t _stime; - } _sigchld; - - /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ - struct { - void *_addr; /* faulting insn/memory ref. */ - } _sigfault; - - /* SIGPOLL */ - struct { - int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ - int _fd; - } _sigpoll; - } _sifields; -} siginfo_t; - -/* - * How these fields are to be accessed. - */ -#define si_pid _sifields._kill._pid -#define si_uid _sifields._kill._uid -#define si_status _sifields._sigchld._status -#define si_utime _sifields._sigchld._utime -#define si_stime _sifields._sigchld._stime -#define si_value _sifields._rt._sigval -#define si_int _sifields._rt._sigval.sival_int -#define si_ptr _sifields._rt._sigval.sival_ptr -#define si_addr _sifields._sigfault._addr -#define si_band _sifields._sigpoll._band -#define si_fd _sifields._sigpoll._fd - -#ifdef __KERNEL__ -#define __SI_MASK 0xffff0000 -#define __SI_KILL (0 << 16) -#define __SI_TIMER (1 << 16) -#define __SI_POLL (2 << 16) -#define __SI_FAULT (3 << 16) -#define __SI_CHLD (4 << 16) -#define __SI_RT (5 << 16) -#define __SI_CODE(T,N) ((T) << 16 | ((N) & 0xffff)) -#else -#define __SI_KILL 0 -#define __SI_TIMER 0 -#define __SI_POLL 0 -#define __SI_FAULT 0 -#define __SI_CHLD 0 -#define __SI_RT 0 -#define __SI_CODE(T,N) (N) -#endif - -/* - * si_code values - * Digital reserves positive values for kernel-generated signals. - */ -#define SI_USER 0 /* sent by kill, sigsend, raise */ -#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */ -#define SI_QUEUE -1 /* sent by sigqueue */ -#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */ -#define SI_MESGQ -3 /* sent by real time mesq state change */ -#define SI_ASYNCIO -4 /* sent by AIO completion */ -#define SI_SIGIO -5 /* sent by queued SIGIO */ - -#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0) -#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) - -/* - * SIGILL si_codes - */ -#define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */ -#define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */ -#define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */ -#define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */ -#define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */ -#define ILL_PRVREG (__SI_FAULT|6) /* privileged register */ -#define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */ -#define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */ -#define NSIGILL 8 - -/* - * SIGFPE si_codes - */ -#define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */ -#define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */ -#define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */ -#define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */ -#define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */ -#define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */ -#define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */ -#define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */ -#define NSIGFPE 8 - -/* - * SIGSEGV si_codes - */ -#define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */ -#define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */ -#define NSIGSEGV 2 - -/* - * SIGBUS si_codes - */ -#define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */ -#define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */ -#define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */ -#define NSIGBUS 3 - -/* - * SIGTRAP si_codes - */ -#define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */ -#define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */ -#define NSIGTRAP 2 - -/* - * SIGCHLD si_codes - */ -#define CLD_EXITED (__SI_CHLD|1) /* child has exited */ -#define CLD_KILLED (__SI_CHLD|2) /* child was killed */ -#define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */ -#define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */ -#define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */ -#define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */ -#define NSIGCHLD 6 - -/* - * SIGPOLL si_codes - */ -#define POLL_IN (__SI_POLL|1) /* data input available */ -#define POLL_OUT (__SI_POLL|2) /* output buffers available */ -#define POLL_MSG (__SI_POLL|3) /* input message available */ -#define POLL_ERR (__SI_POLL|4) /* i/o error */ -#define POLL_PRI (__SI_POLL|5) /* high priority input available */ -#define POLL_HUP (__SI_POLL|6) /* device disconnected */ -#define NSIGPOLL 6 - -/* - * sigevent definitions - * - * It seems likely that SIGEV_THREAD will have to be handled from - * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the - * thread manager then catches and does the appropriate nonsense. - * However, everything is written out here so as to not get lost. - */ -#define SIGEV_SIGNAL 0 /* notify via signal */ -#define SIGEV_NONE 1 /* other notification: meaningless */ -#define SIGEV_THREAD 2 /* deliver via thread creation */ - -#define SIGEV_MAX_SIZE 64 -#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) - -typedef struct sigevent { - sigval_t sigev_value; - int sigev_signo; - int sigev_notify; - union { - int _pad[SIGEV_PAD_SIZE]; - - struct { - void (*_function)(sigval_t); - void *_attribute; /* really pthread_attr_t */ - } _sigev_thread; - } _sigev_un; -} sigevent_t; - -#define sigev_notify_function _sigev_un._sigev_thread._function -#define sigev_notify_attributes _sigev_un._sigev_thread._attribute - -#ifdef __KERNEL__ -#include <linux/string.h> - -static inline void copy_siginfo(siginfo_t *to, siginfo_t *from) -{ - if (from->si_code < 0) - memcpy(to, from, sizeof(siginfo_t)); - else - /* _sigchld is currently the largest know union member */ - memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld)); -} - -extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from); - -#endif /* __KERNEL__ */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/signal.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/signal.h deleted file mode 100644 index 8740d4ea24..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/signal.h +++ /dev/null @@ -1,221 +0,0 @@ -#ifndef _ASMi386_SIGNAL_H -#define _ASMi386_SIGNAL_H - -#include <linux/types.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; - -#ifdef __KERNEL__ -/* Most things should be clean enough to redefine this at will, if care - is taken to make libc match. */ - -#define _NSIG 64 -#define _NSIG_BPW 32 -#define _NSIG_WORDS (_NSIG / _NSIG_BPW) - -typedef unsigned long old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} sigset_t; - -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX (_NSIG-1) - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND -#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -#ifdef __KERNEL__ - -/* - * These values of sa_flags are used only by the kernel as part of the - * irq handling routines. - * - * SA_INTERRUPT is also used by the irq handling routines. - * SA_SHIRQ is for shared interrupt support on PCI and EISA. - */ -#define SA_PROBE SA_ONESHOT -#define SA_SAMPLE_RANDOM SA_RESTART -#define SA_SHIRQ 0x04000000 -#endif - -#define SIG_BLOCK 0 /* for blocking signals */ -#define SIG_UNBLOCK 1 /* for unblocking signals */ -#define SIG_SETMASK 2 /* for setting the signal mask */ - -/* Type of a signal handler. */ -typedef void (*__sighandler_t)(int); - -#define SIG_DFL ((__sighandler_t)0) /* default signal handling */ -#define SIG_IGN ((__sighandler_t)1) /* ignore signal */ -#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ - -#ifdef __KERNEL__ -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ -#include <asm/sigcontext.h> - -#define __HAVE_ARCH_SIG_BITOPS - -static __inline__ void sigaddset(sigset_t *set, int _sig) -{ - __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); -} - -static __inline__ void sigdelset(sigset_t *set, int _sig) -{ - __asm__("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); -} - -static __inline__ int __const_sigismember(sigset_t *set, int _sig) -{ - unsigned long sig = _sig - 1; - return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW)); -} - -static __inline__ int __gen_sigismember(sigset_t *set, int _sig) -{ - int ret; - __asm__("btl %2,%1\n\tsbbl %0,%0" - : "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc"); - return ret; -} - -#define sigismember(set,sig) \ - (__builtin_constant_p(sig) ? \ - __const_sigismember((set),(sig)) : \ - __gen_sigismember((set),(sig))) - -#define sigmask(sig) (1UL << ((sig) - 1)) - -static __inline__ int sigfindinword(unsigned long word) -{ - __asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc"); - return word; -} - -#endif /* __KERNEL__ */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/smp.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/smp.h deleted file mode 100644 index 8a8de24d85..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/smp.h +++ /dev/null @@ -1,112 +0,0 @@ -#ifndef __ASM_SMP_H -#define __ASM_SMP_H - -/* - * We need the APIC definitions automatically as part of 'smp.h' - */ -#ifndef __ASSEMBLY__ -#include <linux/config.h> -#include <linux/threads.h> -#include <linux/ptrace.h> -#endif - -#ifdef CONFIG_X86_LOCAL_APIC -#ifndef __ASSEMBLY__ -#include <asm/bitops.h> -#include <asm/mpspec.h> -#ifdef CONFIG_X86_IO_APIC -#include <asm/io_apic.h> -#endif -#include <asm/apic.h> -#endif -#endif - -#ifdef CONFIG_SMP -# define TARGET_CPUS cpu_online_map -# define INT_DELIVERY_MODE 1 /* logical delivery broadcast to all procs */ -#else -# define INT_DELIVERY_MODE 1 /* logical delivery */ -# define TARGET_CPUS 0x01 -#endif - -#ifndef clustered_apic_mode - #define clustered_apic_mode (0) - #define esr_disable (0) -#endif - -#ifdef CONFIG_SMP -#ifndef __ASSEMBLY__ - -/* - * Private routines/data - */ - -extern void smp_alloc_memory(void); -extern unsigned long phys_cpu_present_map; -extern unsigned long cpu_online_map; -extern volatile unsigned long smp_invalidate_needed; -extern int pic_mode; -extern void smp_flush_tlb(void); -extern void smp_message_irq(int cpl, void *dev_id, struct pt_regs *regs); -extern void smp_send_reschedule(int cpu); -extern void smp_invalidate_rcv(void); /* Process an NMI */ -extern void (*mtrr_hook) (void); -extern void zap_low_mappings (void); - -/* - * On x86 all CPUs are mapped 1:1 to the APIC space. - * This simplifies scheduling and IPI sending and - * compresses data structures. - */ -static inline int cpu_logical_map(int cpu) -{ - return cpu; -} -static inline int cpu_number_map(int cpu) -{ - return cpu; -} - -/* - * Some lowlevel functions might want to know about - * the real APIC ID <-> CPU # mapping. - */ -#define MAX_APICID 256 -extern volatile int cpu_to_physical_apicid[NR_CPUS]; -extern volatile int physical_apicid_to_cpu[MAX_APICID]; -extern volatile int cpu_to_logical_apicid[NR_CPUS]; -extern volatile int logical_apicid_to_cpu[MAX_APICID]; - -/* - * General functions that each host system must provide. - */ - -extern void smp_boot_cpus(void); -extern void smp_store_cpu_info(int id); /* Store per CPU info (like the initial udelay numbers */ - -/* - * This function is needed by all SMP systems. It must _always_ be valid - * from the initial startup. We map APIC_BASE very early in page_setup(), - * so this is correct in the x86 case. - */ - -#define smp_processor_id() (current->processor) - -#endif /* !__ASSEMBLY__ */ - -#define NO_PROC_ID 0xFF /* No processor magic marker */ - -/* - * This magic constant controls our willingness to transfer - * a process across CPUs. Such a transfer incurs misses on the L1 - * cache, and on a P6 or P5 with multiple L2 caches L2 hits. My - * gut feeling is this will vary by board in value. For a board - * with separate L2 cache it probably depends also on the RSS, and - * for a board with shared L2 cache it ought to decay fast as other - * processes are run. - */ - -#define PROC_CHANGE_PENALTY 15 /* Schedule penalty */ - -#endif -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/smplock.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/smplock.h deleted file mode 100644 index 864351c543..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/smplock.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * <asm/smplock.h> - * - * i386 SMP lock implementation - */ -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/sched.h> -#include <asm/current.h> - -extern spinlock_t kernel_flag; - -#define kernel_locked() spin_is_locked(&kernel_flag) - -/* - * Release global kernel lock and global interrupt lock - */ -#define release_kernel_lock(task, cpu) \ -do { \ - if (task->lock_depth >= 0) \ - spin_unlock(&kernel_flag); \ - release_irqlock(cpu); \ - __sti(); \ -} while (0) - -/* - * Re-acquire the kernel lock - */ -#define reacquire_kernel_lock(task) \ -do { \ - if (task->lock_depth >= 0) \ - spin_lock(&kernel_flag); \ -} while (0) - - -/* - * Getting the big kernel lock. - * - * This cannot happen asynchronously, - * so we only need to worry about other - * CPU's. - */ -static __inline__ void lock_kernel(void) -{ -#if 1 - if (!++current->lock_depth) - spin_lock(&kernel_flag); -#else - __asm__ __volatile__( - "incl %1\n\t" - "jne 9f" - spin_lock_string - "\n9:" - :"=m" (__dummy_lock(&kernel_flag)), - "=m" (current->lock_depth)); -#endif -} - -static __inline__ void unlock_kernel(void) -{ - if (current->lock_depth < 0) - BUG(); -#if 1 - if (--current->lock_depth < 0) - spin_unlock(&kernel_flag); -#else - __asm__ __volatile__( - "decl %1\n\t" - "jns 9f\n\t" - spin_unlock_string - "\n9:" - :"=m" (__dummy_lock(&kernel_flag)), - "=m" (current->lock_depth)); -#endif -} diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/socket.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/socket.h deleted file mode 100644 index fbcc44d343..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/socket.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef _ASM_SOCKET_H -#define _ASM_SOCKET_H - -#include <asm/sockios.h> - -/* For setsockoptions(2) */ -#define SOL_SOCKET 1 - -#define SO_DEBUG 1 -#define SO_REUSEADDR 2 -#define SO_TYPE 3 -#define SO_ERROR 4 -#define SO_DONTROUTE 5 -#define SO_BROADCAST 6 -#define SO_SNDBUF 7 -#define SO_RCVBUF 8 -#define SO_KEEPALIVE 9 -#define SO_OOBINLINE 10 -#define SO_NO_CHECK 11 -#define SO_PRIORITY 12 -#define SO_LINGER 13 -#define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ -#define SO_PASSCRED 16 -#define SO_PEERCRED 17 -#define SO_RCVLOWAT 18 -#define SO_SNDLOWAT 19 -#define SO_RCVTIMEO 20 -#define SO_SNDTIMEO 21 - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 22 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 -#define SO_SECURITY_ENCRYPTION_NETWORK 24 - -#define SO_BINDTODEVICE 25 - -/* Socket filtering */ -#define SO_ATTACH_FILTER 26 -#define SO_DETACH_FILTER 27 - -#define SO_PEERNAME 28 -#define SO_TIMESTAMP 29 -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_ACCEPTCONN 30 - -/* Nasty libc5 fixup - bletch */ -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) -/* Socket types. */ -#define SOCK_STREAM 1 /* stream (connection) socket */ -#define SOCK_DGRAM 2 /* datagram (conn.less) socket */ -#define SOCK_RAW 3 /* raw socket */ -#define SOCK_RDM 4 /* reliably-delivered message */ -#define SOCK_SEQPACKET 5 /* sequential packet socket */ -#define SOCK_PACKET 10 /* linux specific way of */ - /* getting packets at the dev */ - /* level. For writing rarp and */ - /* other similar things on the */ - /* user level. */ -#define SOCK_MAX (SOCK_PACKET+1) -#endif - -#endif /* _ASM_SOCKET_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/sockios.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/sockios.h deleted file mode 100644 index 6b747f8e22..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/sockios.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef __ARCH_I386_SOCKIOS__ -#define __ARCH_I386_SOCKIOS__ - -/* Socket-level I/O control calls. */ -#define FIOSETOWN 0x8901 -#define SIOCSPGRP 0x8902 -#define FIOGETOWN 0x8903 -#define SIOCGPGRP 0x8904 -#define SIOCATMARK 0x8905 -#define SIOCGSTAMP 0x8906 /* Get stamp */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/softirq.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/softirq.h deleted file mode 100644 index 254224411b..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/softirq.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef __ASM_SOFTIRQ_H -#define __ASM_SOFTIRQ_H - -#include <asm/atomic.h> -#include <asm/hardirq.h> - -#define __cpu_bh_enable(cpu) \ - do { barrier(); local_bh_count(cpu)--; } while (0) -#define cpu_bh_disable(cpu) \ - do { local_bh_count(cpu)++; barrier(); } while (0) - -#define local_bh_disable() cpu_bh_disable(smp_processor_id()) -#define __local_bh_enable() __cpu_bh_enable(smp_processor_id()) - -#define in_softirq() (local_bh_count(smp_processor_id()) != 0) - -/* - * NOTE: this assembly code assumes: - * - * (char *)&local_bh_count - 8 == (char *)&softirq_pending - * - * If you change the offsets in irq_stat then you have to - * update this code as well. - */ -#define local_bh_enable() \ -do { \ - unsigned int *ptr = &local_bh_count(smp_processor_id()); \ - \ - barrier(); \ - if (!--*ptr) \ - __asm__ __volatile__ ( \ - "cmpl $0, -8(%0);" \ - "jnz 2f;" \ - "1:;" \ - \ - ".section .text.lock,\"ax\";" \ - "2: pushl %%eax; pushl %%ecx; pushl %%edx;" \ - "call %c1;" \ - "popl %%edx; popl %%ecx; popl %%eax;" \ - "jmp 1b;" \ - ".previous;" \ - \ - : /* no output */ \ - : "r" (ptr), "i" (do_softirq) \ - /* no registers clobbered */ ); \ -} while (0) - -#endif /* __ASM_SOFTIRQ_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/spinlock.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/spinlock.h deleted file mode 100644 index dbdd68b41b..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/spinlock.h +++ /dev/null @@ -1,212 +0,0 @@ -#ifndef __ASM_SPINLOCK_H -#define __ASM_SPINLOCK_H - -#include <asm/atomic.h> -#include <asm/rwlock.h> -#include <asm/page.h> -#include <linux/config.h> - -extern int printk(const char * fmt, ...) - __attribute__ ((format (printf, 1, 2))); - -/* It seems that people are forgetting to - * initialize their spinlocks properly, tsk tsk. - * Remember to turn this off in 2.4. -ben - */ -#if defined(CONFIG_DEBUG_SPINLOCK) -#define SPINLOCK_DEBUG 1 -#else -#define SPINLOCK_DEBUG 0 -#endif - -/* - * Your basic SMP spinlocks, allowing only a single CPU anywhere - */ - -typedef struct { - volatile unsigned int lock; -#if SPINLOCK_DEBUG - unsigned magic; -#endif -} spinlock_t; - -#define SPINLOCK_MAGIC 0xdead4ead - -#if SPINLOCK_DEBUG -#define SPINLOCK_MAGIC_INIT , SPINLOCK_MAGIC -#else -#define SPINLOCK_MAGIC_INIT /* */ -#endif - -#define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 SPINLOCK_MAGIC_INIT } - -#define spin_lock_init(x) do { *(x) = SPIN_LOCK_UNLOCKED; } while(0) - -/* - * Simple spin lock operations. There are two variants, one clears IRQ's - * on the local processor, one does not. - * - * We make no fairness assumptions. They have a cost. - */ - -#define spin_is_locked(x) (*(volatile char *)(&(x)->lock) <= 0) -#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x)) - -#define spin_lock_string \ - "\n1:\t" \ - "lock ; decb %0\n\t" \ - "js 2f\n" \ - ".section .text.lock,\"ax\"\n" \ - "2:\t" \ - "cmpb $0,%0\n\t" \ - "rep;nop\n\t" \ - "jle 2b\n\t" \ - "jmp 1b\n" \ - ".previous" - -/* - * This works. Despite all the confusion. - * (except on PPro SMP or if we are using OOSTORE) - * (PPro errata 66, 92) - */ - -#if !defined(CONFIG_X86_OOSTORE) && !defined(CONFIG_X86_PPRO_FENCE) - -#define spin_unlock_string \ - "movb $1,%0" \ - :"=m" (lock->lock) : : "memory" - - -static inline void spin_unlock(spinlock_t *lock) -{ -#if SPINLOCK_DEBUG - if (lock->magic != SPINLOCK_MAGIC) - BUG(); - if (!spin_is_locked(lock)) - BUG(); -#endif - __asm__ __volatile__( - spin_unlock_string - ); -} - -#else - -#define spin_unlock_string \ - "xchgb %b0, %1" \ - :"=q" (oldval), "=m" (lock->lock) \ - :"0" (oldval) : "memory" - -static inline void spin_unlock(spinlock_t *lock) -{ - char oldval = 1; -#if SPINLOCK_DEBUG - if (lock->magic != SPINLOCK_MAGIC) - BUG(); - if (!spin_is_locked(lock)) - BUG(); -#endif - __asm__ __volatile__( - spin_unlock_string - ); -} - -#endif - -static inline int spin_trylock(spinlock_t *lock) -{ - char oldval; - __asm__ __volatile__( - "xchgb %b0,%1" - :"=q" (oldval), "=m" (lock->lock) - :"0" (0) : "memory"); - return oldval > 0; -} - -static inline void spin_lock(spinlock_t *lock) -{ -#if SPINLOCK_DEBUG - __label__ here; -here: - if (lock->magic != SPINLOCK_MAGIC) { -printk("eip: %p\n", &&here); - BUG(); - } -#endif - __asm__ __volatile__( - spin_lock_string - :"=m" (lock->lock) : : "memory"); -} - - -/* - * Read-write spinlocks, allowing multiple readers - * but only one writer. - * - * NOTE! it is quite common to have readers in interrupts - * but no interrupt writers. For those circumstances we - * can "mix" irq-safe locks - any writer needs to get a - * irq-safe write-lock, but readers can get non-irqsafe - * read-locks. - */ -typedef struct { - volatile unsigned int lock; -#if SPINLOCK_DEBUG - unsigned magic; -#endif -} rwlock_t; - -#define RWLOCK_MAGIC 0xdeaf1eed - -#if SPINLOCK_DEBUG -#define RWLOCK_MAGIC_INIT , RWLOCK_MAGIC -#else -#define RWLOCK_MAGIC_INIT /* */ -#endif - -#define RW_LOCK_UNLOCKED (rwlock_t) { RW_LOCK_BIAS RWLOCK_MAGIC_INIT } - -#define rwlock_init(x) do { *(x) = RW_LOCK_UNLOCKED; } while(0) - -/* - * On x86, we implement read-write locks as a 32-bit counter - * with the high bit (sign) being the "contended" bit. - * - * The inline assembly is non-obvious. Think about it. - * - * Changed to use the same technique as rw semaphores. See - * semaphore.h for details. -ben - */ -/* the spinlock helpers are in arch/i386/kernel/semaphore.c */ - -static inline void read_lock(rwlock_t *rw) -{ -#if SPINLOCK_DEBUG - if (rw->magic != RWLOCK_MAGIC) - BUG(); -#endif - __build_read_lock(rw, "__read_lock_failed"); -} - -static inline void write_lock(rwlock_t *rw) -{ -#if SPINLOCK_DEBUG - if (rw->magic != RWLOCK_MAGIC) - BUG(); -#endif - __build_write_lock(rw, "__write_lock_failed"); -} - -#define read_unlock(rw) asm volatile("lock ; incl %0" :"=m" ((rw)->lock) : : "memory") -#define write_unlock(rw) asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ",%0":"=m" ((rw)->lock) : : "memory") - -static inline int write_trylock(rwlock_t *lock) -{ - atomic_t *count = (atomic_t *)lock; - if (atomic_sub_and_test(RW_LOCK_BIAS, count)) - return 1; - atomic_add(RW_LOCK_BIAS, count); - return 0; -} - -#endif /* __ASM_SPINLOCK_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/stat.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/stat.h deleted file mode 100644 index ef16311fe0..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/stat.h +++ /dev/null @@ -1,78 +0,0 @@ -#ifndef _I386_STAT_H -#define _I386_STAT_H - -struct __old_kernel_stat { - unsigned short st_dev; - unsigned short st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned long st_size; - unsigned long st_atime; - unsigned long st_mtime; - unsigned long st_ctime; -}; - -struct stat { - unsigned short st_dev; - unsigned short __pad1; - unsigned long st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned short __pad2; - unsigned long st_size; - unsigned long st_blksize; - unsigned long st_blocks; - unsigned long st_atime; - unsigned long __unused1; - unsigned long st_mtime; - unsigned long __unused2; - unsigned long st_ctime; - unsigned long __unused3; - unsigned long __unused4; - unsigned long __unused5; -}; - -/* This matches struct stat64 in glibc2.1, hence the absolutely - * insane amounts of padding around dev_t's. - */ -struct stat64 { - unsigned short st_dev; - unsigned char __pad0[10]; - -#define STAT64_HAS_BROKEN_ST_INO 1 - unsigned long __st_ino; - - unsigned int st_mode; - unsigned int st_nlink; - - unsigned long st_uid; - unsigned long st_gid; - - unsigned short st_rdev; - unsigned char __pad3[10]; - - long long st_size; - unsigned long st_blksize; - - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ - unsigned long __pad4; /* future possible st_blocks high bits */ - - unsigned long st_atime; - unsigned long __pad5; - - unsigned long st_mtime; - unsigned long __pad6; - - unsigned long st_ctime; - unsigned long __pad7; /* will be high 32 bits of ctime someday */ - - unsigned long long st_ino; -}; - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/statfs.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/statfs.h deleted file mode 100644 index 113d5d428a..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/statfs.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef _I386_STATFS_H -#define _I386_STATFS_H - -#ifndef __KERNEL_STRICT_NAMES - -#include <linux/types.h> - -typedef __kernel_fsid_t fsid_t; - -#endif - -struct statfs { - long f_type; - long f_bsize; - long f_blocks; - long f_bfree; - long f_bavail; - long f_files; - long f_ffree; - __kernel_fsid_t f_fsid; - long f_namelen; - long f_spare[6]; -}; - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/string-486.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/string-486.h deleted file mode 100644 index 51bfd051bc..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/string-486.h +++ /dev/null @@ -1,617 +0,0 @@ -#ifndef _I386_STRING_I486_H_ -#define _I386_STRING_I486_H_ - -/* - * This string-include defines all string functions as inline - * functions. Use gcc. It also assumes ds=es=data space, this should be - * normal. Most of the string-functions are rather heavily hand-optimized, - * see especially strtok,strstr,str[c]spn. They should work, but are not - * very easy to understand. Everything is done entirely within the register - * set, making the functions fast and clean. - * - * Copyright (C) 1991, 1992 Linus Torvalds - * Revised and optimized for i486/pentium - * 1994/03/15 by Alberto Vignani/Davide Parodi @crf.it - * - * Split into 2 CPU specific files by Alan Cox to keep #ifdef noise down. - * - * 1999/10/5 Proper register args for newer GCCs and minor bugs - * fixed - Petko Manolov (petkan@spct.net) - * 1999/10/14 3DNow memscpy() added - Petkan - * 2000/05/09 extern changed to static in function definitions - * and a few cleanups - Petkan - */ - -#define __HAVE_ARCH_STRCPY -static inline char * strcpy(char * dest,const char *src) -{ -register char *tmp= (char *)dest; -register char dummy; -__asm__ __volatile__( - "\n1:\t" - "movb (%0),%2\n\t" - "incl %0\n\t" - "movb %2,(%1)\n\t" - "incl %1\n\t" - "testb %2,%2\n\t" - "jne 1b" - :"=r" (src), "=r" (tmp), "=q" (dummy) - :"0" (src), "1" (tmp) - :"memory"); -return dest; -} - -#define __HAVE_ARCH_STRNCPY -static inline char * strncpy(char * dest,const char *src,size_t count) -{ -register char *tmp= (char *)dest; -register char dummy; -if (count) { -__asm__ __volatile__( - "\n1:\t" - "movb (%0),%2\n\t" - "incl %0\n\t" - "movb %2,(%1)\n\t" - "incl %1\n\t" - "decl %3\n\t" - "je 3f\n\t" - "testb %2,%2\n\t" - "jne 1b\n\t" - "2:\tmovb %2,(%1)\n\t" - "incl %1\n\t" - "decl %3\n\t" - "jne 2b\n\t" - "3:" - :"=r" (src), "=r" (tmp), "=q" (dummy), "=r" (count) - :"0" (src), "1" (tmp), "3" (count) - :"memory"); - } /* if (count) */ -return dest; -} - -#define __HAVE_ARCH_STRCAT -static inline char * strcat(char * dest,const char * src) -{ -register char *tmp = (char *)(dest-1); -register char dummy; -__asm__ __volatile__( - "\n1:\tincl %1\n\t" - "cmpb $0,(%1)\n\t" - "jne 1b\n" - "2:\tmovb (%2),%b0\n\t" - "incl %2\n\t" - "movb %b0,(%1)\n\t" - "incl %1\n\t" - "testb %b0,%b0\n\t" - "jne 2b\n" - :"=q" (dummy), "=r" (tmp), "=r" (src) - :"1" (tmp), "2" (src) - :"memory"); -return dest; -} - -#define __HAVE_ARCH_STRNCAT -static inline char * strncat(char * dest,const char * src,size_t count) -{ -register char *tmp = (char *)(dest-1); -register char dummy; -__asm__ __volatile__( - "\n1:\tincl %1\n\t" - "cmpb $0,(%1)\n\t" - "jne 1b\n" - "2:\tdecl %3\n\t" - "js 3f\n\t" - "movb (%2),%b0\n\t" - "incl %2\n\t" - "movb %b0,(%1)\n\t" - "incl %1\n\t" - "testb %b0,%b0\n\t" - "jne 2b\n" - "3:\txorb %0,%0\n\t" - "movb %b0,(%1)\n\t" - :"=q" (dummy), "=r" (tmp), "=r" (src), "=r" (count) - :"1" (tmp), "2" (src), "3" (count) - :"memory"); -return dest; -} - -#define __HAVE_ARCH_STRCMP -static inline int strcmp(const char * cs,const char * ct) -{ -register int __res; -__asm__ __volatile__( - "\n1:\tmovb (%1),%b0\n\t" - "incl %1\n\t" - "cmpb %b0,(%2)\n\t" - "jne 2f\n\t" - "incl %2\n\t" - "testb %b0,%b0\n\t" - "jne 1b\n\t" - "xorl %0,%0\n\t" - "jmp 3f\n" - "2:\tmovl $1,%0\n\t" - "jb 3f\n\t" - "negl %0\n" - "3:" - :"=q" (__res), "=r" (cs), "=r" (ct) - :"1" (cs), "2" (ct) - : "memory" ); -return __res; -} - -#define __HAVE_ARCH_STRNCMP -static inline int strncmp(const char * cs,const char * ct,size_t count) -{ -register int __res; -__asm__ __volatile__( - "\n1:\tdecl %3\n\t" - "js 2f\n\t" - "movb (%1),%b0\n\t" - "incl %1\n\t" - "cmpb %b0,(%2)\n\t" - "jne 3f\n\t" - "incl %2\n\t" - "testb %b0,%b0\n\t" - "jne 1b\n" - "2:\txorl %0,%0\n\t" - "jmp 4f\n" - "3:\tmovl $1,%0\n\t" - "jb 4f\n\t" - "negl %0\n" - "4:" - :"=q" (__res), "=r" (cs), "=r" (ct), "=r" (count) - :"1" (cs), "2" (ct), "3" (count)); -return __res; -} - -#define __HAVE_ARCH_STRCHR -static inline char * strchr(const char * s, int c) -{ -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tmovb (%1),%%al\n\t" - "cmpb %%ah,%%al\n\t" - "je 2f\n\t" - "incl %1\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "xorl %1,%1\n" - "2:\tmovl %1,%0\n\t" - :"=a" (__res), "=r" (s) - :"0" (c), "1" (s)); -return __res; -} - -#define __HAVE_ARCH_STRRCHR -static inline char * strrchr(const char * s, int c) -{ -int d0, d1; -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tlodsb\n\t" - "cmpb %%ah,%%al\n\t" - "jne 2f\n\t" - "leal -1(%%esi),%0\n" - "2:\ttestb %%al,%%al\n\t" - "jne 1b" - :"=d" (__res), "=&S" (d0), "=&a" (d1) - :"0" (0), "1" (s), "2" (c)); -return __res; -} - - -#define __HAVE_ARCH_STRCSPN -static inline size_t strcspn(const char * cs, const char * ct) -{ -int d0, d1; -register char * __res; -__asm__ __volatile__( - "movl %6,%%edi\n\t" - "repne\n\t" - "scasb\n\t" - "notl %%ecx\n\t" - "decl %%ecx\n\t" - "movl %%ecx,%%edx\n" - "1:\tlodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %6,%%edi\n\t" - "movl %%edx,%%ecx\n\t" - "repne\n\t" - "scasb\n\t" - "jne 1b\n" - "2:\tdecl %0" - :"=S" (__res), "=&a" (d0), "=&c" (d1) - :"0" (cs), "1" (0), "2" (0xffffffff), "g" (ct) - :"dx", "di"); -return __res-cs; -} - - -#define __HAVE_ARCH_STRLEN -static inline size_t strlen(const char * s) -{ -/* - * slightly slower on a 486, but with better chances of - * register allocation - */ -register char dummy, *tmp= (char *)s; -__asm__ __volatile__( - "\n1:\t" - "movb\t(%0),%1\n\t" - "incl\t%0\n\t" - "testb\t%1,%1\n\t" - "jne\t1b" - :"=r" (tmp),"=q" (dummy) - :"0" (s) - : "memory" ); -return (tmp-s-1); -} - -/* Added by Gertjan van Wingerde to make minix and sysv module work */ -#define __HAVE_ARCH_STRNLEN -static inline size_t strnlen(const char * s, size_t count) -{ -int d0; -register int __res; -__asm__ __volatile__( - "movl %3,%0\n\t" - "jmp 2f\n" - "1:\tcmpb $0,(%0)\n\t" - "je 3f\n\t" - "incl %0\n" - "2:\tdecl %2\n\t" - "cmpl $-1,%2\n\t" - "jne 1b\n" - "3:\tsubl %3,%0" - :"=a" (__res), "=&d" (d0) - :"1" (count), "c" (s)); -return __res; -} -/* end of additional stuff */ - - -/* - * These ought to get tweaked to do some cache priming. - */ - -static inline void * __memcpy_by4(void * to, const void * from, size_t n) -{ -register void *tmp = (void *)to; -register int dummy1,dummy2; -__asm__ __volatile__ ( - "\n1:\tmovl (%2),%0\n\t" - "addl $4,%2\n\t" - "movl %0,(%1)\n\t" - "addl $4,%1\n\t" - "decl %3\n\t" - "jnz 1b" - :"=r" (dummy1), "=r" (tmp), "=r" (from), "=r" (dummy2) - :"1" (tmp), "2" (from), "3" (n/4) - :"memory"); -return (to); -} - -static inline void * __memcpy_by2(void * to, const void * from, size_t n) -{ -register void *tmp = (void *)to; -register int dummy1,dummy2; -__asm__ __volatile__ ( - "shrl $1,%3\n\t" - "jz 2f\n" /* only a word */ - "1:\tmovl (%2),%0\n\t" - "addl $4,%2\n\t" - "movl %0,(%1)\n\t" - "addl $4,%1\n\t" - "decl %3\n\t" - "jnz 1b\n" - "2:\tmovw (%2),%w0\n\t" - "movw %w0,(%1)" - :"=r" (dummy1), "=r" (tmp), "=r" (from), "=r" (dummy2) - :"1" (tmp), "2" (from), "3" (n/2) - :"memory"); -return (to); -} - -static inline void * __memcpy_g(void * to, const void * from, size_t n) -{ -int d0, d1, d2; -register void *tmp = (void *)to; -__asm__ __volatile__ ( - "shrl $1,%%ecx\n\t" - "jnc 1f\n\t" - "movsb\n" - "1:\tshrl $1,%%ecx\n\t" - "jnc 2f\n\t" - "movsw\n" - "2:\trep\n\t" - "movsl" - :"=&c" (d0), "=&D" (d1), "=&S" (d2) - :"0" (n), "1" ((long) tmp), "2" ((long) from) - :"memory"); -return (to); -} - -#define __memcpy_c(d,s,count) \ -((count%4==0) ? \ - __memcpy_by4((d),(s),(count)) : \ - ((count%2==0) ? \ - __memcpy_by2((d),(s),(count)) : \ - __memcpy_g((d),(s),(count)))) - -#define __memcpy(d,s,count) \ -(__builtin_constant_p(count) ? \ - __memcpy_c((d),(s),(count)) : \ - __memcpy_g((d),(s),(count))) - -#define __HAVE_ARCH_MEMCPY - -#include <linux/config.h> - -#ifdef CONFIG_X86_USE_3DNOW - -#include <asm/mmx.h> - -/* -** This CPU favours 3DNow strongly (eg AMD K6-II, K6-III, Athlon) -*/ - -static inline void * __constant_memcpy3d(void * to, const void * from, size_t len) -{ - if (len < 512) - return __memcpy_c(to, from, len); - return _mmx_memcpy(to, from, len); -} - -static inline void *__memcpy3d(void *to, const void *from, size_t len) -{ - if(len < 512) - return __memcpy_g(to, from, len); - return _mmx_memcpy(to, from, len); -} - -#define memcpy(d, s, count) \ -(__builtin_constant_p(count) ? \ - __constant_memcpy3d((d),(s),(count)) : \ - __memcpy3d((d),(s),(count))) - -#else /* CONFIG_X86_USE_3DNOW */ - -/* -** Generic routines -*/ - - -#define memcpy(d, s, count) __memcpy(d, s, count) - -#endif /* CONFIG_X86_USE_3DNOW */ - - -extern void __struct_cpy_bug( void ); - -#define struct_cpy(x,y) \ -({ \ - if (sizeof(*(x)) != sizeof(*(y))) \ - __struct_cpy_bug; \ - memcpy(x, y, sizeof(*(x))); \ -}) - - -#define __HAVE_ARCH_MEMMOVE -static inline void * memmove(void * dest,const void * src, size_t n) -{ -int d0, d1, d2; -register void *tmp = (void *)dest; -if (dest<src) -__asm__ __volatile__ ( - "rep\n\t" - "movsb" - :"=&c" (d0), "=&S" (d1), "=&D" (d2) - :"0" (n), "1" (src), "2" (tmp) - :"memory"); -else -__asm__ __volatile__ ( - "std\n\t" - "rep\n\t" - "movsb\n\t" - "cld" - :"=&c" (d0), "=&S" (d1), "=&D" (d2) - :"0" (n), "1" (n-1+(const char *)src), "2" (n-1+(char *)tmp) - :"memory"); -return dest; -} - - -#define __HAVE_ARCH_MEMCMP -static inline int memcmp(const void * cs,const void * ct,size_t count) -{ -int d0, d1, d2; -register int __res; -__asm__ __volatile__( - "repe\n\t" - "cmpsb\n\t" - "je 1f\n\t" - "sbbl %0,%0\n\t" - "orb $1,%b0\n" - "1:" - :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2) - :"0" (0), "1" (cs), "2" (ct), "3" (count)); -return __res; -} - - -#define __HAVE_ARCH_MEMCHR -static inline void * memchr(const void * cs,int c,size_t count) -{ -int d0; -register void * __res; -if (!count) - return NULL; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "je 1f\n\t" - "movl $1,%0\n" - "1:\tdecl %0" - :"=D" (__res), "=&c" (d0) - :"a" (c), "0" (cs), "1" (count)); -return __res; -} - -#define __memset_cc(s,c,count) \ -((count%4==0) ? \ - __memset_cc_by4((s),(c),(count)) : \ - ((count%2==0) ? \ - __memset_cc_by2((s),(c),(count)) : \ - __memset_cg((s),(c),(count)))) - -#define __memset_gc(s,c,count) \ -((count%4==0) ? \ - __memset_gc_by4((s),(c),(count)) : \ - ((count%2==0) ? \ - __memset_gc_by2((s),(c),(count)) : \ - __memset_gg((s),(c),(count)))) - -#define __HAVE_ARCH_MEMSET -#define memset(s,c,count) \ -(__builtin_constant_p(c) ? \ - (__builtin_constant_p(count) ? \ - __memset_cc((s),(c),(count)) : \ - __memset_cg((s),(c),(count))) : \ - (__builtin_constant_p(count) ? \ - __memset_gc((s),(c),(count)) : \ - __memset_gg((s),(c),(count)))) - -static inline void * __memset_cc_by4(void * s, char c, size_t count) -{ -/* - * register char *tmp = s; - */ -register char *tmp = (char *)s; -register int dummy; -__asm__ __volatile__ ( - "\n1:\tmovl %2,(%0)\n\t" - "addl $4,%0\n\t" - "decl %1\n\t" - "jnz 1b" - :"=r" (tmp), "=r" (dummy) - :"q" (0x01010101UL * (unsigned char) c), "0" (tmp), "1" (count/4) - :"memory"); -return s; -} - -static inline void * __memset_cc_by2(void * s, char c, size_t count) -{ -register void *tmp = (void *)s; -register int dummy; -__asm__ __volatile__ ( - "shrl $1,%1\n\t" /* may be divisible also by 4 */ - "jz 2f\n" - "\n1:\tmovl %2,(%0)\n\t" - "addl $4,%0\n\t" - "decl %1\n\t" - "jnz 1b\n" - "2:\tmovw %w2,(%0)" - :"=r" (tmp), "=r" (dummy) - :"q" (0x01010101UL * (unsigned char) c), "0" (tmp), "1" (count/2) - :"memory"); -return s; -} - -static inline void * __memset_gc_by4(void * s, char c, size_t count) -{ -register void *tmp = (void *)s; -register int dummy; -__asm__ __volatile__ ( - "movb %b0,%h0\n" - "pushw %w0\n\t" - "shll $16,%0\n\t" - "popw %w0\n" - "1:\tmovl %0,(%1)\n\t" - "addl $4,%1\n\t" - "decl %2\n\t" - "jnz 1b\n" - :"=q" (c), "=r" (tmp), "=r" (dummy) - :"0" ((unsigned) c), "1" (tmp), "2" (count/4) - :"memory"); -return s; -} - -static inline void * __memset_gc_by2(void * s, char c, size_t count) -{ -register void *tmp = (void *)s; -register int dummy1,dummy2; -__asm__ __volatile__ ( - "movb %b0,%h0\n\t" - "shrl $1,%2\n\t" /* may be divisible also by 4 */ - "jz 2f\n\t" - "pushw %w0\n\t" - "shll $16,%0\n\t" - "popw %w0\n" - "1:\tmovl %0,(%1)\n\t" - "addl $4,%1\n\t" - "decl %2\n\t" - "jnz 1b\n" - "2:\tmovw %w0,(%1)" - :"=q" (dummy1), "=r" (tmp), "=r" (dummy2) - :"0" ((unsigned) c), "1" (tmp), "2" (count/2) - :"memory"); -return s; -} - -static inline void * __memset_cg(void * s, char c, size_t count) -{ -int d0, d1; -register void *tmp = (void *)s; -__asm__ __volatile__ ( - "shrl $1,%%ecx\n\t" - "rep\n\t" - "stosw\n\t" - "jnc 1f\n\t" - "movb %%al,(%%edi)\n" - "1:" - :"=&c" (d0), "=&D" (d1) - :"a" (0x0101U * (unsigned char) c), "0" (count), "1" (tmp) - :"memory"); -return s; -} - -static inline void * __memset_gg(void * s,char c,size_t count) -{ -int d0, d1, d2; -register void *tmp = (void *)s; -__asm__ __volatile__ ( - "movb %%al,%%ah\n\t" - "shrl $1,%%ecx\n\t" - "rep\n\t" - "stosw\n\t" - "jnc 1f\n\t" - "movb %%al,(%%edi)\n" - "1:" - :"=&c" (d0), "=&D" (d1), "=&D" (d2) - :"0" (count), "1" (tmp), "2" (c) - :"memory"); -return s; -} - - -/* - * find the first occurrence of byte 'c', or 1 past the area if none - */ -#define __HAVE_ARCH_MEMSCAN -static inline void * memscan(void * addr, int c, size_t size) -{ - if (!size) - return addr; - __asm__("repnz; scasb - jnz 1f - dec %%edi -1: " - : "=D" (addr), "=c" (size) - : "0" (addr), "1" (size), "a" (c)); - return addr; -} - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/string.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/string.h deleted file mode 100644 index d4d7899dc1..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/string.h +++ /dev/null @@ -1,531 +0,0 @@ -#ifndef _I386_STRING_H_ -#define _I386_STRING_H_ - -#ifdef __KERNEL__ -#include <linux/config.h> -/* - * On a 486 or Pentium, we are better off not using the - * byte string operations. But on a 386 or a PPro the - * byte string ops are faster than doing it by hand - * (MUCH faster on a Pentium). - * - * Also, the byte strings actually work correctly. Forget - * the i486 routines for now as they may be broken.. - */ -#if FIXED_486_STRING && defined(CONFIG_X86_USE_STRING_486) -#include <asm/string-486.h> -#else - -/* - * This string-include defines all string functions as inline - * functions. Use gcc. It also assumes ds=es=data space, this should be - * normal. Most of the string-functions are rather heavily hand-optimized, - * see especially strtok,strstr,str[c]spn. They should work, but are not - * very easy to understand. Everything is done entirely within the register - * set, making the functions fast and clean. String instructions have been - * used through-out, making for "slightly" unclear code :-) - * - * NO Copyright (C) 1991, 1992 Linus Torvalds, - * consider these trivial functions to be PD. - */ - -#define __HAVE_ARCH_STRCPY -static inline char * strcpy(char * dest,const char *src) -{ -int d0, d1, d2; -__asm__ __volatile__( - "1:\tlodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b" - : "=&S" (d0), "=&D" (d1), "=&a" (d2) - :"0" (src),"1" (dest) : "memory"); -return dest; -} - -#define __HAVE_ARCH_STRNCPY -static inline char * strncpy(char * dest,const char *src,size_t count) -{ -int d0, d1, d2, d3; -__asm__ __volatile__( - "1:\tdecl %2\n\t" - "js 2f\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "rep\n\t" - "stosb\n" - "2:" - : "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3) - :"0" (src),"1" (dest),"2" (count) : "memory"); -return dest; -} - -#define __HAVE_ARCH_STRCAT -static inline char * strcat(char * dest,const char * src) -{ -int d0, d1, d2, d3; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "decl %1\n" - "1:\tlodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b" - : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) - : "0" (src), "1" (dest), "2" (0), "3" (0xffffffff):"memory"); -return dest; -} - -#define __HAVE_ARCH_STRNCAT -static inline char * strncat(char * dest,const char * src,size_t count) -{ -int d0, d1, d2, d3; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "decl %1\n\t" - "movl %8,%3\n" - "1:\tdecl %3\n\t" - "js 2f\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n" - "2:\txorl %2,%2\n\t" - "stosb" - : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) - : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count) - : "memory"); -return dest; -} - -#define __HAVE_ARCH_STRCMP -static inline int strcmp(const char * cs,const char * ct) -{ -int d0, d1; -register int __res; -__asm__ __volatile__( - "1:\tlodsb\n\t" - "scasb\n\t" - "jne 2f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "xorl %%eax,%%eax\n\t" - "jmp 3f\n" - "2:\tsbbl %%eax,%%eax\n\t" - "orb $1,%%al\n" - "3:" - :"=a" (__res), "=&S" (d0), "=&D" (d1) - :"1" (cs),"2" (ct)); -return __res; -} - -#define __HAVE_ARCH_STRNCMP -static inline int strncmp(const char * cs,const char * ct,size_t count) -{ -register int __res; -int d0, d1, d2; -__asm__ __volatile__( - "1:\tdecl %3\n\t" - "js 2f\n\t" - "lodsb\n\t" - "scasb\n\t" - "jne 3f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n" - "2:\txorl %%eax,%%eax\n\t" - "jmp 4f\n" - "3:\tsbbl %%eax,%%eax\n\t" - "orb $1,%%al\n" - "4:" - :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2) - :"1" (cs),"2" (ct),"3" (count)); -return __res; -} - -#define __HAVE_ARCH_STRCHR -static inline char * strchr(const char * s, int c) -{ -int d0; -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tlodsb\n\t" - "cmpb %%ah,%%al\n\t" - "je 2f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "movl $1,%1\n" - "2:\tmovl %1,%0\n\t" - "decl %0" - :"=a" (__res), "=&S" (d0) : "1" (s),"0" (c)); -return __res; -} - -#define __HAVE_ARCH_STRRCHR -static inline char * strrchr(const char * s, int c) -{ -int d0, d1; -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tlodsb\n\t" - "cmpb %%ah,%%al\n\t" - "jne 2f\n\t" - "leal -1(%%esi),%0\n" - "2:\ttestb %%al,%%al\n\t" - "jne 1b" - :"=g" (__res), "=&S" (d0), "=&a" (d1) :"0" (0),"1" (s),"2" (c)); -return __res; -} - -#define __HAVE_ARCH_STRLEN -static inline size_t strlen(const char * s) -{ -int d0; -register int __res; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "notl %0\n\t" - "decl %0" - :"=c" (__res), "=&D" (d0) :"1" (s),"a" (0), "0" (0xffffffff)); -return __res; -} - -static inline void * __memcpy(void * to, const void * from, size_t n) -{ -int d0, d1, d2; -__asm__ __volatile__( - "rep ; movsl\n\t" - "testb $2,%b4\n\t" - "je 1f\n\t" - "movsw\n" - "1:\ttestb $1,%b4\n\t" - "je 2f\n\t" - "movsb\n" - "2:" - : "=&c" (d0), "=&D" (d1), "=&S" (d2) - :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from) - : "memory"); -return (to); -} - -/* - * This looks horribly ugly, but the compiler can optimize it totally, - * as the count is constant. - */ -static inline void * __constant_memcpy(void * to, const void * from, size_t n) -{ - switch (n) { - case 0: - return to; - case 1: - *(unsigned char *)to = *(const unsigned char *)from; - return to; - case 2: - *(unsigned short *)to = *(const unsigned short *)from; - return to; - case 3: - *(unsigned short *)to = *(const unsigned short *)from; - *(2+(unsigned char *)to) = *(2+(const unsigned char *)from); - return to; - case 4: - *(unsigned long *)to = *(const unsigned long *)from; - return to; - case 6: /* for Ethernet addresses */ - *(unsigned long *)to = *(const unsigned long *)from; - *(2+(unsigned short *)to) = *(2+(const unsigned short *)from); - return to; - case 8: - *(unsigned long *)to = *(const unsigned long *)from; - *(1+(unsigned long *)to) = *(1+(const unsigned long *)from); - return to; - case 12: - *(unsigned long *)to = *(const unsigned long *)from; - *(1+(unsigned long *)to) = *(1+(const unsigned long *)from); - *(2+(unsigned long *)to) = *(2+(const unsigned long *)from); - return to; - case 16: - *(unsigned long *)to = *(const unsigned long *)from; - *(1+(unsigned long *)to) = *(1+(const unsigned long *)from); - *(2+(unsigned long *)to) = *(2+(const unsigned long *)from); - *(3+(unsigned long *)to) = *(3+(const unsigned long *)from); - return to; - case 20: - *(unsigned long *)to = *(const unsigned long *)from; - *(1+(unsigned long *)to) = *(1+(const unsigned long *)from); - *(2+(unsigned long *)to) = *(2+(const unsigned long *)from); - *(3+(unsigned long *)to) = *(3+(const unsigned long *)from); - *(4+(unsigned long *)to) = *(4+(const unsigned long *)from); - return to; - } -#define COMMON(x) \ -__asm__ __volatile__( \ - "rep ; movsl" \ - x \ - : "=&c" (d0), "=&D" (d1), "=&S" (d2) \ - : "0" (n/4),"1" ((long) to),"2" ((long) from) \ - : "memory"); -{ - int d0, d1, d2; - switch (n % 4) { - case 0: COMMON(""); return to; - case 1: COMMON("\n\tmovsb"); return to; - case 2: COMMON("\n\tmovsw"); return to; - default: COMMON("\n\tmovsw\n\tmovsb"); return to; - } -} - -#undef COMMON -} - -#define __HAVE_ARCH_MEMCPY - -#ifdef CONFIG_X86_USE_3DNOW - -#include <asm/mmx.h> - -/* - * This CPU favours 3DNow strongly (eg AMD Athlon) - */ - -static inline void * __constant_memcpy3d(void * to, const void * from, size_t len) -{ - if (len < 512) - return __constant_memcpy(to, from, len); - return _mmx_memcpy(to, from, len); -} - -static __inline__ void *__memcpy3d(void *to, const void *from, size_t len) -{ - if (len < 512) - return __memcpy(to, from, len); - return _mmx_memcpy(to, from, len); -} - -#define memcpy(t, f, n) \ -(__builtin_constant_p(n) ? \ - __constant_memcpy3d((t),(f),(n)) : \ - __memcpy3d((t),(f),(n))) - -#else - -/* - * No 3D Now! - */ - -#define memcpy(t, f, n) \ -(__builtin_constant_p(n) ? \ - __constant_memcpy((t),(f),(n)) : \ - __memcpy((t),(f),(n))) - -#endif - -/* - * struct_cpy(x,y), copy structure *x into (matching structure) *y. - * - * We get link-time errors if the structure sizes do not match. - * There is no runtime overhead, it's all optimized away at - * compile time. - */ -extern void __struct_cpy_bug (void); - -#define struct_cpy(x,y) \ -({ \ - if (sizeof(*(x)) != sizeof(*(y))) \ - __struct_cpy_bug; \ - memcpy(x, y, sizeof(*(x))); \ -}) - -#define __HAVE_ARCH_MEMMOVE -static inline void * memmove(void * dest,const void * src, size_t n) -{ -int d0, d1, d2; -if (dest<src) -__asm__ __volatile__( - "rep\n\t" - "movsb" - : "=&c" (d0), "=&S" (d1), "=&D" (d2) - :"0" (n),"1" (src),"2" (dest) - : "memory"); -else -__asm__ __volatile__( - "std\n\t" - "rep\n\t" - "movsb\n\t" - "cld" - : "=&c" (d0), "=&S" (d1), "=&D" (d2) - :"0" (n), - "1" (n-1+(const char *)src), - "2" (n-1+(char *)dest) - :"memory"); -return dest; -} - -#define memcmp __builtin_memcmp - -#define __HAVE_ARCH_MEMCHR -static inline void * memchr(const void * cs,int c,size_t count) -{ -int d0; -register void * __res; -if (!count) - return NULL; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "je 1f\n\t" - "movl $1,%0\n" - "1:\tdecl %0" - :"=D" (__res), "=&c" (d0) : "a" (c),"0" (cs),"1" (count)); -return __res; -} - -static inline void * __memset_generic(void * s, char c,size_t count) -{ -int d0, d1; -__asm__ __volatile__( - "rep\n\t" - "stosb" - : "=&c" (d0), "=&D" (d1) - :"a" (c),"1" (s),"0" (count) - :"memory"); -return s; -} - -/* we might want to write optimized versions of these later */ -#define __constant_count_memset(s,c,count) __memset_generic((s),(c),(count)) - -/* - * memset(x,0,y) is a reasonably common thing to do, so we want to fill - * things 32 bits at a time even when we don't know the size of the - * area at compile-time.. - */ -static inline void * __constant_c_memset(void * s, unsigned long c, size_t count) -{ -int d0, d1; -__asm__ __volatile__( - "rep ; stosl\n\t" - "testb $2,%b3\n\t" - "je 1f\n\t" - "stosw\n" - "1:\ttestb $1,%b3\n\t" - "je 2f\n\t" - "stosb\n" - "2:" - : "=&c" (d0), "=&D" (d1) - :"a" (c), "q" (count), "0" (count/4), "1" ((long) s) - :"memory"); -return (s); -} - -/* Added by Gertjan van Wingerde to make minix and sysv module work */ -#define __HAVE_ARCH_STRNLEN -static inline size_t strnlen(const char * s, size_t count) -{ -int d0; -register int __res; -__asm__ __volatile__( - "movl %2,%0\n\t" - "jmp 2f\n" - "1:\tcmpb $0,(%0)\n\t" - "je 3f\n\t" - "incl %0\n" - "2:\tdecl %1\n\t" - "cmpl $-1,%1\n\t" - "jne 1b\n" - "3:\tsubl %2,%0" - :"=a" (__res), "=&d" (d0) - :"c" (s),"1" (count)); -return __res; -} -/* end of additional stuff */ - -#define __HAVE_ARCH_STRSTR - -extern char *strstr(const char *cs, const char *ct); - -/* - * This looks horribly ugly, but the compiler can optimize it totally, - * as we by now know that both pattern and count is constant.. - */ -static inline void * __constant_c_and_count_memset(void * s, unsigned long pattern, size_t count) -{ - switch (count) { - case 0: - return s; - case 1: - *(unsigned char *)s = pattern; - return s; - case 2: - *(unsigned short *)s = pattern; - return s; - case 3: - *(unsigned short *)s = pattern; - *(2+(unsigned char *)s) = pattern; - return s; - case 4: - *(unsigned long *)s = pattern; - return s; - } -#define COMMON(x) \ -__asm__ __volatile__( \ - "rep ; stosl" \ - x \ - : "=&c" (d0), "=&D" (d1) \ - : "a" (pattern),"0" (count/4),"1" ((long) s) \ - : "memory") -{ - int d0, d1; - switch (count % 4) { - case 0: COMMON(""); return s; - case 1: COMMON("\n\tstosb"); return s; - case 2: COMMON("\n\tstosw"); return s; - default: COMMON("\n\tstosw\n\tstosb"); return s; - } -} - -#undef COMMON -} - -#define __constant_c_x_memset(s, c, count) \ -(__builtin_constant_p(count) ? \ - __constant_c_and_count_memset((s),(c),(count)) : \ - __constant_c_memset((s),(c),(count))) - -#define __memset(s, c, count) \ -(__builtin_constant_p(count) ? \ - __constant_count_memset((s),(c),(count)) : \ - __memset_generic((s),(c),(count))) - -#define __HAVE_ARCH_MEMSET -#define memset(s, c, count) \ -(__builtin_constant_p(c) ? \ - __constant_c_x_memset((s),(0x01010101UL*(unsigned char)(c)),(count)) : \ - __memset((s),(c),(count))) - -/* - * find the first occurrence of byte 'c', or 1 past the area if none - */ -#define __HAVE_ARCH_MEMSCAN -static inline void * memscan(void * addr, int c, size_t size) -{ - if (!size) - return addr; - __asm__("repnz; scasb\n\t" - "jnz 1f\n\t" - "dec %%edi\n" - "1:" - : "=D" (addr), "=c" (size) - : "0" (addr), "1" (size), "a" (c)); - return addr; -} - -#endif /* CONFIG_X86_USE_STRING_486 */ -#endif /* __KERNEL__ */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/system.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/system.h deleted file mode 100644 index 60917089b7..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/system.h +++ /dev/null @@ -1,367 +0,0 @@ -#ifndef __ASM_SYSTEM_H -#define __ASM_SYSTEM_H - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/segment.h> -#include <asm/hypervisor.h> -#include <linux/bitops.h> /* for LOCK_PREFIX */ - -#ifdef __KERNEL__ - -struct task_struct; /* one of the stranger aspects of C forward declarations.. */ -extern void FASTCALL(__switch_to(struct task_struct *prev, struct task_struct *next)); - -#define prepare_to_switch() do { } while(0) -#define switch_to(prev,next,last) do { \ - asm volatile("pushl %%esi\n\t" \ - "pushl %%edi\n\t" \ - "pushl %%ebp\n\t" \ - "movl %%esp,%0\n\t" /* save ESP */ \ - "movl %3,%%esp\n\t" /* restore ESP */ \ - "movl $1f,%1\n\t" /* save EIP */ \ - "pushl %4\n\t" /* restore EIP */ \ - "jmp __switch_to\n" \ - "1:\t" \ - "popl %%ebp\n\t" \ - "popl %%edi\n\t" \ - "popl %%esi\n\t" \ - :"=m" (prev->thread.esp),"=m" (prev->thread.eip), \ - "=b" (last) \ - :"m" (next->thread.esp),"m" (next->thread.eip), \ - "a" (prev), "d" (next), \ - "b" (prev)); \ -} while (0) - -#define _set_base(addr,base) do { unsigned long __pr; \ -__asm__ __volatile__ ("movw %%dx,%1\n\t" \ - "rorl $16,%%edx\n\t" \ - "movb %%dl,%2\n\t" \ - "movb %%dh,%3" \ - :"=&d" (__pr) \ - :"m" (*((addr)+2)), \ - "m" (*((addr)+4)), \ - "m" (*((addr)+7)), \ - "0" (base) \ - ); } while(0) - -#define _set_limit(addr,limit) do { unsigned long __lr; \ -__asm__ __volatile__ ("movw %%dx,%1\n\t" \ - "rorl $16,%%edx\n\t" \ - "movb %2,%%dh\n\t" \ - "andb $0xf0,%%dh\n\t" \ - "orb %%dh,%%dl\n\t" \ - "movb %%dl,%2" \ - :"=&d" (__lr) \ - :"m" (*(addr)), \ - "m" (*((addr)+6)), \ - "0" (limit) \ - ); } while(0) - -#define set_base(ldt,base) _set_base( ((char *)&(ldt)) , (base) ) -#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , ((limit)-1)>>12 ) - -static inline unsigned long _get_base(char * addr) -{ - unsigned long __base; - __asm__("movb %3,%%dh\n\t" - "movb %2,%%dl\n\t" - "shll $16,%%edx\n\t" - "movw %1,%%dx" - :"=&d" (__base) - :"m" (*((addr)+2)), - "m" (*((addr)+4)), - "m" (*((addr)+7))); - return __base; -} - -#define get_base(ldt) _get_base( ((char *)&(ldt)) ) - -/* - * Load a segment. Fall back on loading the zero - * segment if something goes wrong.. - */ -#define loadsegment(seg,value) \ - asm volatile("\n" \ - "1:\t" \ - "movl %0,%%" #seg "\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3:\t" \ - "pushl $0\n\t" \ - "popl %%" #seg "\n\t" \ - "jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n\t" \ - ".align 4\n\t" \ - ".long 1b,3b\n" \ - ".previous" \ - : :"m" (*(unsigned int *)&(value))) - -#define clts() ((void)0) -#define read_cr0() ({ \ - unsigned int __dummy; \ - __asm__( \ - "movl %%cr0,%0\n\t" \ - :"=r" (__dummy)); \ - __dummy; \ -}) -#define write_cr0(x) \ - __asm__("movl %0,%%cr0": :"r" (x)); - -#define read_cr4() ({ \ - unsigned int __dummy; \ - __asm__( \ - "movl %%cr4,%0\n\t" \ - :"=r" (__dummy)); \ - __dummy; \ -}) -#define write_cr4(x) \ - __asm__("movl %0,%%cr4": :"r" (x)); -#define stts() (HYPERVISOR_fpu_taskswitch()) - -#endif /* __KERNEL__ */ - -#define wbinvd() \ - __asm__ __volatile__ ("wbinvd": : :"memory"); - -static inline unsigned long get_limit(unsigned long segment) -{ - unsigned long __limit; - __asm__("lsll %1,%0" - :"=r" (__limit):"r" (segment)); - return __limit+1; -} - -#define nop() __asm__ __volatile__ ("nop") - -#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) - -#define tas(ptr) (xchg((ptr),1)) - -struct __xchg_dummy { unsigned long a[100]; }; -#define __xg(x) ((struct __xchg_dummy *)(x)) - - -/* - * The semantics of XCHGCMP8B are a bit strange, this is why - * there is a loop and the loading of %%eax and %%edx has to - * be inside. This inlines well in most cases, the cached - * cost is around ~38 cycles. (in the future we might want - * to do an SIMD/3DNOW!/MMX/FPU 64-bit store here, but that - * might have an implicit FPU-save as a cost, so it's not - * clear which path to go.) - */ -static inline void __set_64bit (unsigned long long * ptr, - unsigned int low, unsigned int high) -{ - __asm__ __volatile__ ( - "\n1:\t" - "movl (%0), %%eax\n\t" - "movl 4(%0), %%edx\n\t" - "cmpxchg8b (%0)\n\t" - "jnz 1b" - : /* no outputs */ - : "D"(ptr), - "b"(low), - "c"(high) - : "ax","dx","memory"); -} - -static inline void __set_64bit_constant (unsigned long long *ptr, - unsigned long long value) -{ - __set_64bit(ptr,(unsigned int)(value), (unsigned int)((value)>>32ULL)); -} -#define ll_low(x) *(((unsigned int*)&(x))+0) -#define ll_high(x) *(((unsigned int*)&(x))+1) - -static inline void __set_64bit_var (unsigned long long *ptr, - unsigned long long value) -{ - __set_64bit(ptr,ll_low(value), ll_high(value)); -} - -#define set_64bit(ptr,value) \ -(__builtin_constant_p(value) ? \ - __set_64bit_constant(ptr, value) : \ - __set_64bit_var(ptr, value) ) - -#define _set_64bit(ptr,value) \ -(__builtin_constant_p(value) ? \ - __set_64bit(ptr, (unsigned int)(value), (unsigned int)((value)>>32ULL) ) : \ - __set_64bit(ptr, ll_low(value), ll_high(value)) ) - -/* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway - * Note 2: xchg has side effect, so that attribute volatile is necessary, - * but generally the primitive is invalid, *ptr is output argument. --ANK - */ -static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) -{ - switch (size) { - case 1: - __asm__ __volatile__("xchgb %b0,%1" - :"=q" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 2: - __asm__ __volatile__("xchgw %w0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 4: - __asm__ __volatile__("xchgl %0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - } - return x; -} - -/* - * Atomic compare and exchange. Compare OLD with MEM, if identical, - * store NEW in MEM. Return the initial value in MEM. Success is - * indicated by comparing RETURN with OLD. - */ - -#ifdef CONFIG_X86_CMPXCHG -#define __HAVE_ARCH_CMPXCHG 1 - -static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, - unsigned long new, int size) -{ - unsigned long prev; - switch (size) { - case 1: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2" - : "=a"(prev) - : "q"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 2: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2" - : "=a"(prev) - : "q"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 4: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2" - : "=a"(prev) - : "q"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - } - return old; -} - -#define cmpxchg(ptr,o,n)\ - ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ - (unsigned long)(n),sizeof(*(ptr)))) - -#else -/* Compiling for a 386 proper. Is it worth implementing via cli/sti? */ -#endif - -/* - * Force strict CPU ordering. - * And yes, this is required on UP too when we're talking - * to devices. - * - * For now, "wmb()" doesn't actually do anything, as all - * Intel CPU's follow what Intel calls a *Processor Order*, - * in which all writes are seen in the program order even - * outside the CPU. - * - * I expect future Intel CPU's to have a weaker ordering, - * but I'd also expect them to finally get their act together - * and add some real memory barriers if so. - * - * Some non intel clones support out of order store. wmb() ceases to be a - * nop for these. - */ - -#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory") -#define rmb() mb() - -#ifdef CONFIG_X86_OOSTORE -#define wmb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory") -#else -#define wmb() __asm__ __volatile__ ("": : :"memory") -#endif - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#endif - -#define set_mb(var, value) do { xchg(&var, value); } while (0) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) - -#define __save_flags(x) ((x) = HYPERVISOR_shared_info->events_enable); barrier() -#define __restore_flags(x) \ -do { \ - shared_info_t *_shared = HYPERVISOR_shared_info; \ - _shared->events_enable = (x); \ - barrier(); \ - if ( _shared->events && (x) ) do_hypervisor_callback(NULL); \ -} while (0) -#define __cli() (HYPERVISOR_shared_info->events_enable = 0); barrier() -#define __sti() \ -do { \ - shared_info_t *_shared = HYPERVISOR_shared_info; \ - _shared->events_enable = 1; \ - barrier(); \ - if ( _shared->events ) do_hypervisor_callback(NULL); \ -} while (0) -#define safe_halt() ((void)0) - -/* For spinlocks etc */ -#define local_irq_save(x) ((x) = HYPERVISOR_shared_info->events_enable); (HYPERVISOR_shared_info->events_enable = 0); barrier() -#define local_irq_restore(x) __restore_flags(x) -#define local_irq_disable() __cli() -#define local_irq_enable() __sti() - -#ifdef CONFIG_SMP - -extern void __global_cli(void); -extern void __global_sti(void); -extern unsigned long __global_save_flags(void); -extern void __global_restore_flags(unsigned long); -#define cli() __global_cli() -#define sti() __global_sti() -#define save_flags(x) ((x)=__global_save_flags()) -#define restore_flags(x) __global_restore_flags(x) - -#else - -#define cli() __cli() -#define sti() __sti() -#define save_flags(x) __save_flags(x) -#define restore_flags(x) __restore_flags(x) - -#endif - -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -void disable_hlt(void); -void enable_hlt(void); - -extern unsigned long dmi_broken; -extern int is_sony_vaio_laptop; - -#define BROKEN_ACPI_Sx 0x0001 -#define BROKEN_INIT_AFTER_S1 0x0002 - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/termbits.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/termbits.h deleted file mode 100644 index 5ccd7d8f07..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/termbits.h +++ /dev/null @@ -1,172 +0,0 @@ -#ifndef __ARCH_I386_TERMBITS_H__ -#define __ARCH_I386_TERMBITS_H__ - -#include <linux/posix_types.h> - -typedef unsigned char cc_t; -typedef unsigned int speed_t; -typedef unsigned int tcflag_t; - -#define NCCS 19 -struct termios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ -}; - -/* c_cc characters */ -#define VINTR 0 -#define VQUIT 1 -#define VERASE 2 -#define VKILL 3 -#define VEOF 4 -#define VTIME 5 -#define VMIN 6 -#define VSWTC 7 -#define VSTART 8 -#define VSTOP 9 -#define VSUSP 10 -#define VEOL 11 -#define VREPRINT 12 -#define VDISCARD 13 -#define VWERASE 14 -#define VLNEXT 15 -#define VEOL2 16 - -/* c_iflag bits */ -#define IGNBRK 0000001 -#define BRKINT 0000002 -#define IGNPAR 0000004 -#define PARMRK 0000010 -#define INPCK 0000020 -#define ISTRIP 0000040 -#define INLCR 0000100 -#define IGNCR 0000200 -#define ICRNL 0000400 -#define IUCLC 0001000 -#define IXON 0002000 -#define IXANY 0004000 -#define IXOFF 0010000 -#define IMAXBEL 0020000 - -/* c_oflag bits */ -#define OPOST 0000001 -#define OLCUC 0000002 -#define ONLCR 0000004 -#define OCRNL 0000010 -#define ONOCR 0000020 -#define ONLRET 0000040 -#define OFILL 0000100 -#define OFDEL 0000200 -#define NLDLY 0000400 -#define NL0 0000000 -#define NL1 0000400 -#define CRDLY 0003000 -#define CR0 0000000 -#define CR1 0001000 -#define CR2 0002000 -#define CR3 0003000 -#define TABDLY 0014000 -#define TAB0 0000000 -#define TAB1 0004000 -#define TAB2 0010000 -#define TAB3 0014000 -#define XTABS 0014000 -#define BSDLY 0020000 -#define BS0 0000000 -#define BS1 0020000 -#define VTDLY 0040000 -#define VT0 0000000 -#define VT1 0040000 -#define FFDLY 0100000 -#define FF0 0000000 -#define FF1 0100000 - -/* c_cflag bit meaning */ -#define CBAUD 0010017 -#define B0 0000000 /* hang up */ -#define B50 0000001 -#define B75 0000002 -#define B110 0000003 -#define B134 0000004 -#define B150 0000005 -#define B200 0000006 -#define B300 0000007 -#define B600 0000010 -#define B1200 0000011 -#define B1800 0000012 -#define B2400 0000013 -#define B4800 0000014 -#define B9600 0000015 -#define B19200 0000016 -#define B38400 0000017 -#define EXTA B19200 -#define EXTB B38400 -#define CSIZE 0000060 -#define CS5 0000000 -#define CS6 0000020 -#define CS7 0000040 -#define CS8 0000060 -#define CSTOPB 0000100 -#define CREAD 0000200 -#define PARENB 0000400 -#define PARODD 0001000 -#define HUPCL 0002000 -#define CLOCAL 0004000 -#define CBAUDEX 0010000 -#define B57600 0010001 -#define B115200 0010002 -#define B230400 0010003 -#define B460800 0010004 -#define B500000 0010005 -#define B576000 0010006 -#define B921600 0010007 -#define B1000000 0010010 -#define B1152000 0010011 -#define B1500000 0010012 -#define B2000000 0010013 -#define B2500000 0010014 -#define B3000000 0010015 -#define B3500000 0010016 -#define B4000000 0010017 -#define CIBAUD 002003600000 /* input baud rate (not used) */ -#define CMSPAR 010000000000 /* mark or space (stick) parity */ -#define CRTSCTS 020000000000 /* flow control */ - -/* c_lflag bits */ -#define ISIG 0000001 -#define ICANON 0000002 -#define XCASE 0000004 -#define ECHO 0000010 -#define ECHOE 0000020 -#define ECHOK 0000040 -#define ECHONL 0000100 -#define NOFLSH 0000200 -#define TOSTOP 0000400 -#define ECHOCTL 0001000 -#define ECHOPRT 0002000 -#define ECHOKE 0004000 -#define FLUSHO 0010000 -#define PENDIN 0040000 -#define IEXTEN 0100000 - -/* tcflow() and TCXONC use these */ -#define TCOOFF 0 -#define TCOON 1 -#define TCIOFF 2 -#define TCION 3 - -/* tcflush() and TCFLSH use these */ -#define TCIFLUSH 0 -#define TCOFLUSH 1 -#define TCIOFLUSH 2 - -/* tcsetattr uses these */ -#define TCSANOW 0 -#define TCSADRAIN 1 -#define TCSAFLUSH 2 - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/termios.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/termios.h deleted file mode 100644 index c4cc5c8168..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/termios.h +++ /dev/null @@ -1,106 +0,0 @@ -#ifndef _I386_TERMIOS_H -#define _I386_TERMIOS_H - -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -/* line disciplines */ -#define N_TTY 0 -#define N_SLIP 1 -#define N_MOUSE 2 -#define N_PPP 3 -#define N_STRIP 4 -#define N_AX25 5 -#define N_X25 6 /* X.25 async */ -#define N_6PACK 7 -#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ -#define N_R3964 9 /* Reserved for Simatic R3964 module */ -#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ -#define N_IRDA 11 /* Linux IR - http://irda.sourceforge.net/ */ -#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */ -#define N_HDLC 13 /* synchronous HDLC */ -#define N_SYNC_PPP 14 /* synchronous PPP */ -#define N_HCI 15 /* Bluetooth HCI UART */ - -#ifdef __KERNEL__ - -/* intr=^C quit=^\ erase=del kill=^U - eof=^D vtime=\0 vmin=\1 sxtc=\0 - start=^Q stop=^S susp=^Z eol=\0 - reprint=^R discard=^U werase=^W lnext=^V - eol2=\0 -*/ -#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" - -/* - * Translate a "termio" structure into a "termios". Ugh. - */ -#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ - unsigned short __tmp; \ - get_user(__tmp,&(termio)->x); \ - *(unsigned short *) &(termios)->x = __tmp; \ -} - -#define user_termio_to_kernel_termios(termios, termio) \ -({ \ - SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ - SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ - SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ - SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ - copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ -}) - -/* - * Translate a "termios" structure into a "termio". Ugh. - */ -#define kernel_termios_to_user_termio(termio, termios) \ -({ \ - put_user((termios)->c_iflag, &(termio)->c_iflag); \ - put_user((termios)->c_oflag, &(termio)->c_oflag); \ - put_user((termios)->c_cflag, &(termio)->c_cflag); \ - put_user((termios)->c_lflag, &(termio)->c_lflag); \ - put_user((termios)->c_line, &(termio)->c_line); \ - copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ -}) - -#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) -#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) - -#endif /* __KERNEL__ */ - -#endif /* _I386_TERMIOS_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/timex.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/timex.h deleted file mode 100644 index 97099dd0d4..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/timex.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * linux/include/asm-i386/timex.h - * - * i386 architecture timex specifications - */ -#ifndef _ASMi386_TIMEX_H -#define _ASMi386_TIMEX_H - -#include <linux/config.h> -#include <asm/msr.h> - -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ -#define CLOCK_TICK_FACTOR 20 /* Factor of both 1000000 and CLOCK_TICK_RATE */ -#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \ - (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \ - << (SHIFT_SCALE-SHIFT_HZ)) / HZ) - -/* - * Standard way to access the cycle counter on i586+ CPUs. - * Currently only used on SMP. - * - * If you really have a SMP machine with i486 chips or older, - * compile for that, and this will just always return zero. - * That's ok, it just means that the nicer scheduling heuristics - * won't work for you. - * - * We only use the low 32 bits, and we'd simply better make sure - * that we reschedule before that wraps. Scheduling at least every - * four billion cycles just basically sounds like a good idea, - * regardless of how fast the machine is. - */ -typedef unsigned long long cycles_t; - -extern cycles_t cacheflush_time; - -static inline cycles_t get_cycles (void) -{ -#ifndef CONFIG_X86_TSC - return 0; -#else - unsigned long long ret; - - rdtscll(ret); - return ret; -#endif -} - -extern unsigned long cpu_khz; - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/tlb.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/tlb.h deleted file mode 100644 index 69c0faa931..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/tlb.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/tlb.h> diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/types.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/types.h deleted file mode 100644 index 238635a0a2..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/types.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef _I386_TYPES_H -#define _I386_TYPES_H - -typedef unsigned short umode_t; - -/* - * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the - * header files exported to user space - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; - -typedef __signed__ short __s16; -typedef unsigned short __u16; - -typedef __signed__ int __s32; -typedef unsigned int __u32; - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) -typedef __signed__ long long __s64; -typedef unsigned long long __u64; -#endif - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __KERNEL__ - -#include <linux/config.h> - -typedef signed char s8; -typedef unsigned char u8; - -typedef signed short s16; -typedef unsigned short u16; - -typedef signed int s32; -typedef unsigned int u32; - -typedef signed long long s64; -typedef unsigned long long u64; - -#define BITS_PER_LONG 32 - -/* DMA addresses come in generic and 64-bit flavours. */ - -#ifdef CONFIG_HIGHMEM -typedef u64 dma_addr_t; -#else -typedef u32 dma_addr_t; -#endif -typedef u64 dma64_addr_t; - -#endif /* __KERNEL__ */ - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/uaccess.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/uaccess.h deleted file mode 100644 index ecc6693352..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/uaccess.h +++ /dev/null @@ -1,606 +0,0 @@ -#ifndef __i386_UACCESS_H -#define __i386_UACCESS_H - -/* - * User space memory access functions - */ -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/prefetch.h> -#include <asm/page.h> - -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 - -/* - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with - * get_fs() == KERNEL_DS, checking is bypassed. - * - * For historical reasons, these macros are grossly misnamed. - */ - -#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) - - -#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) -#define USER_DS MAKE_MM_SEG(PAGE_OFFSET) - -#define get_ds() (KERNEL_DS) -#define get_fs() (current->addr_limit) -#define set_fs(x) (current->addr_limit = (x)) - -#define segment_eq(a,b) ((a).seg == (b).seg) - -extern int __verify_write(const void *, unsigned long); - -#define __addr_ok(addr) ((unsigned long)(addr) < (current->addr_limit.seg)) - -/* - * Uhhuh, this needs 33-bit arithmetic. We have a carry.. - */ -#define __range_ok(addr,size) ({ \ - unsigned long flag,sum; \ - asm("addl %3,%1 ; sbbl %0,%0; cmpl %1,%4; sbbl $0,%0" \ - :"=&r" (flag), "=r" (sum) \ - :"1" (addr),"g" ((int)(size)),"g" (current->addr_limit.seg)); \ - flag; }) - -#ifdef CONFIG_X86_WP_WORKS_OK - -#define access_ok(type,addr,size) (__range_ok(addr,size) == 0) - -#else - -#define access_ok(type,addr,size) ( (__range_ok(addr,size) == 0) && \ - ((type) == VERIFY_READ || boot_cpu_data.wp_works_ok || \ - segment_eq(get_fs(),KERNEL_DS) || \ - __verify_write((void *)(addr),(size)))) - -#endif - -static inline int verify_area(int type, const void * addr, unsigned long size) -{ - return access_ok(type,addr,size) ? 0 : -EFAULT; -} - - -/* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is - * the address at which the program should continue. No registers are - * modified, so it is entirely up to the continuation code to figure out - * what to do. - * - * All the routines below use bits of fixup code that are out of line - * with the main instruction path. This means when everything is well, - * we don't even have to jump over them. Further, they do not intrude - * on our cache or tlb entries. - */ - -struct exception_table_entry -{ - unsigned long insn, fixup; -}; - -/* Returns 0 if exception not found and fixup otherwise. */ -extern unsigned long search_exception_table(unsigned long); - - -/* - * These are the main single-value transfer routines. They automatically - * use the right size if we just have the right pointer type. - * - * This gets kind of ugly. We want to return _two_ values in "get_user()" - * and yet we don't want to do any pointers, because that is too much - * of a performance impact. Thus we have a few rather ugly macros here, - * and hide all the uglyness from the user. - * - * The "__xxx" versions of the user access functions are versions that - * do not verify the address space, that must have been done previously - * with a separate "access_ok()" call (this is used when we do multiple - * accesses to the same area of user memory). - */ - -extern void __get_user_1(void); -extern void __get_user_2(void); -extern void __get_user_4(void); - -#define __get_user_x(size,ret,x,ptr) \ - __asm__ __volatile__("call __get_user_" #size \ - :"=a" (ret),"=d" (x) \ - :"0" (ptr)) - -/* Careful: we have to cast the result to the type of the pointer for sign reasons */ -#define get_user(x,ptr) \ -({ int __ret_gu,__val_gu; \ - switch(sizeof (*(ptr))) { \ - case 1: __get_user_x(1,__ret_gu,__val_gu,ptr); break; \ - case 2: __get_user_x(2,__ret_gu,__val_gu,ptr); break; \ - case 4: __get_user_x(4,__ret_gu,__val_gu,ptr); break; \ - default: __get_user_x(X,__ret_gu,__val_gu,ptr); break; \ - } \ - (x) = (__typeof__(*(ptr)))__val_gu; \ - __ret_gu; \ -}) - -extern void __put_user_1(void); -extern void __put_user_2(void); -extern void __put_user_4(void); -extern void __put_user_8(void); - -extern void __put_user_bad(void); - -#define put_user(x,ptr) \ - __put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr))) - -#define __get_user(x,ptr) \ - __get_user_nocheck((x),(ptr),sizeof(*(ptr))) -#define __put_user(x,ptr) \ - __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr))) - -#define __put_user_nocheck(x,ptr,size) \ -({ \ - long __pu_err; \ - __put_user_size((x),(ptr),(size),__pu_err); \ - __pu_err; \ -}) - - -#define __put_user_check(x,ptr,size) \ -({ \ - long __pu_err = -EFAULT; \ - __typeof__(*(ptr)) *__pu_addr = (ptr); \ - if (access_ok(VERIFY_WRITE,__pu_addr,size)) \ - __put_user_size((x),__pu_addr,(size),__pu_err); \ - __pu_err; \ -}) - -#define __put_user_u64(x, addr, err) \ - __asm__ __volatile__( \ - "1: movl %%eax,0(%2)\n" \ - "2: movl %%edx,4(%2)\n" \ - "3:\n" \ - ".section .fixup,\"ax\"\n" \ - "4: movl %3,%0\n" \ - " jmp 3b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,4b\n" \ - " .long 2b,4b\n" \ - ".previous" \ - : "=r"(err) \ - : "A" (x), "r" (addr), "i"(-EFAULT), "0"(err)) - -#define __put_user_size(x,ptr,size,retval) \ -do { \ - retval = 0; \ - switch (size) { \ - case 1: __put_user_asm(x,ptr,retval,"b","b","iq"); break; \ - case 2: __put_user_asm(x,ptr,retval,"w","w","ir"); break; \ - case 4: __put_user_asm(x,ptr,retval,"l","","ir"); break; \ - case 8: __put_user_u64(x,ptr,retval); break; \ - default: __put_user_bad(); \ - } \ -} while (0) - -struct __large_struct { unsigned long buf[100]; }; -#define __m(x) (*(struct __large_struct *)(x)) - -/* - * Tell gcc we read from memory instead of writing: this is because - * we do not write to any memory gcc knows about, so there are no - * aliasing issues. - */ -#define __put_user_asm(x, addr, err, itype, rtype, ltype) \ - __asm__ __volatile__( \ - "1: mov"itype" %"rtype"1,%2\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: movl %3,%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,3b\n" \ - ".previous" \ - : "=r"(err) \ - : ltype (x), "m"(__m(addr)), "i"(-EFAULT), "0"(err)) - - -#define __get_user_nocheck(x,ptr,size) \ -({ \ - long __gu_err, __gu_val; \ - __get_user_size(__gu_val,(ptr),(size),__gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ - __gu_err; \ -}) - -extern long __get_user_bad(void); - -#define __get_user_size(x,ptr,size,retval) \ -do { \ - retval = 0; \ - switch (size) { \ - case 1: __get_user_asm(x,ptr,retval,"b","b","=q"); break; \ - case 2: __get_user_asm(x,ptr,retval,"w","w","=r"); break; \ - case 4: __get_user_asm(x,ptr,retval,"l","","=r"); break; \ - default: (x) = __get_user_bad(); \ - } \ -} while (0) - -#define __get_user_asm(x, addr, err, itype, rtype, ltype) \ - __asm__ __volatile__( \ - "1: mov"itype" %2,%"rtype"1\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: movl %3,%0\n" \ - " xor"itype" %"rtype"1,%"rtype"1\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,3b\n" \ - ".previous" \ - : "=r"(err), ltype (x) \ - : "m"(__m(addr)), "i"(-EFAULT), "0"(err)) - - -/* - * Copy To/From Userspace - */ - -/* Generic arbitrary sized copy. */ -#define __copy_user(to,from,size) \ -do { \ - int __d0, __d1; \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - " movl %3,%0\n" \ - "1: rep; movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: lea 0(%3,%0,4),%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,2b\n" \ - ".previous" \ - : "=&c"(size), "=&D" (__d0), "=&S" (__d1) \ - : "r"(size & 3), "0"(size / 4), "1"(to), "2"(from) \ - : "memory"); \ -} while (0) - -#define __copy_user_zeroing(to,from,size) \ -do { \ - int __d0, __d1; \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - " movl %3,%0\n" \ - "1: rep; movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: lea 0(%3,%0,4),%0\n" \ - "4: pushl %0\n" \ - " pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " rep; stosb\n" \ - " popl %%eax\n" \ - " popl %0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,4b\n" \ - ".previous" \ - : "=&c"(size), "=&D" (__d0), "=&S" (__d1) \ - : "r"(size & 3), "0"(size / 4), "1"(to), "2"(from) \ - : "memory"); \ -} while (0) - -/* We let the __ versions of copy_from/to_user inline, because they're often - * used in fast paths and have only a small space overhead. - */ -static inline unsigned long -__generic_copy_from_user_nocheck(void *to, const void *from, unsigned long n) -{ - __copy_user_zeroing(to,from,n); - return n; -} - -static inline unsigned long -__generic_copy_to_user_nocheck(void *to, const void *from, unsigned long n) -{ - __copy_user(to,from,n); - return n; -} - - -/* Optimize just a little bit when we know the size of the move. */ -#define __constant_copy_user(to, from, size) \ -do { \ - int __d0, __d1; \ - switch (size & 3) { \ - default: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1:\n" \ - ".section .fixup,\"ax\"\n" \ - "2: shl $2,%0\n" \ - " jmp 1b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,2b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - case 1: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1: movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: shl $2,%0\n" \ - "4: incl %0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,4b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - case 2: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1: movsw\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: shl $2,%0\n" \ - "4: addl $2,%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,4b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - case 3: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1: movsw\n" \ - "2: movsb\n" \ - "3:\n" \ - ".section .fixup,\"ax\"\n" \ - "4: shl $2,%0\n" \ - "5: addl $2,%0\n" \ - "6: incl %0\n" \ - " jmp 3b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,4b\n" \ - " .long 1b,5b\n" \ - " .long 2b,6b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - } \ -} while (0) - -/* Optimize just a little bit when we know the size of the move. */ -#define __constant_copy_user_zeroing(to, from, size) \ -do { \ - int __d0, __d1; \ - switch (size & 3) { \ - default: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1:\n" \ - ".section .fixup,\"ax\"\n" \ - "2: pushl %0\n" \ - " pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " rep; stosl\n" \ - " popl %%eax\n" \ - " popl %0\n" \ - " shl $2,%0\n" \ - " jmp 1b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,2b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - case 1: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1: movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: pushl %0\n" \ - " pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " rep; stosl\n" \ - " stosb\n" \ - " popl %%eax\n" \ - " popl %0\n" \ - " shl $2,%0\n" \ - " incl %0\n" \ - " jmp 2b\n" \ - "4: pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " stosb\n" \ - " popl %%eax\n" \ - " incl %0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,4b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - case 2: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1: movsw\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: pushl %0\n" \ - " pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " rep; stosl\n" \ - " stosw\n" \ - " popl %%eax\n" \ - " popl %0\n" \ - " shl $2,%0\n" \ - " addl $2,%0\n" \ - " jmp 2b\n" \ - "4: pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " stosw\n" \ - " popl %%eax\n" \ - " addl $2,%0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,3b\n" \ - " .long 1b,4b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - case 3: \ - __asm__ __volatile__( \ - "0: rep; movsl\n" \ - "1: movsw\n" \ - "2: movsb\n" \ - "3:\n" \ - ".section .fixup,\"ax\"\n" \ - "4: pushl %0\n" \ - " pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " rep; stosl\n" \ - " stosw\n" \ - " stosb\n" \ - " popl %%eax\n" \ - " popl %0\n" \ - " shl $2,%0\n" \ - " addl $3,%0\n" \ - " jmp 2b\n" \ - "5: pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " stosw\n" \ - " stosb\n" \ - " popl %%eax\n" \ - " addl $3,%0\n" \ - " jmp 2b\n" \ - "6: pushl %%eax\n" \ - " xorl %%eax,%%eax\n" \ - " stosb\n" \ - " popl %%eax\n" \ - " incl %0\n" \ - " jmp 3b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,4b\n" \ - " .long 1b,5b\n" \ - " .long 2b,6b\n" \ - ".previous" \ - : "=c"(size), "=&S" (__d0), "=&D" (__d1)\ - : "1"(from), "2"(to), "0"(size/4) \ - : "memory"); \ - break; \ - } \ -} while (0) - -unsigned long __generic_copy_to_user(void *, const void *, unsigned long); -unsigned long __generic_copy_from_user(void *, const void *, unsigned long); - -static inline unsigned long -__constant_copy_to_user(void *to, const void *from, unsigned long n) -{ - prefetch(from); - if (access_ok(VERIFY_WRITE, to, n)) - __constant_copy_user(to,from,n); - return n; -} - -static inline unsigned long -__constant_copy_from_user(void *to, const void *from, unsigned long n) -{ - if (access_ok(VERIFY_READ, from, n)) - __constant_copy_user_zeroing(to,from,n); - else - memset(to, 0, n); - return n; -} - -static inline unsigned long -__constant_copy_to_user_nocheck(void *to, const void *from, unsigned long n) -{ - __constant_copy_user(to,from,n); - return n; -} - -static inline unsigned long -__constant_copy_from_user_nocheck(void *to, const void *from, unsigned long n) -{ - __constant_copy_user_zeroing(to,from,n); - return n; -} - -#define copy_to_user(to,from,n) \ - (__builtin_constant_p(n) ? \ - __constant_copy_to_user((to),(from),(n)) : \ - __generic_copy_to_user((to),(from),(n))) - -#define copy_from_user(to,from,n) \ - (__builtin_constant_p(n) ? \ - __constant_copy_from_user((to),(from),(n)) : \ - __generic_copy_from_user((to),(from),(n))) - -#define __copy_to_user(to,from,n) \ - (__builtin_constant_p(n) ? \ - __constant_copy_to_user_nocheck((to),(from),(n)) : \ - __generic_copy_to_user_nocheck((to),(from),(n))) - -#define __copy_from_user(to,from,n) \ - (__builtin_constant_p(n) ? \ - __constant_copy_from_user_nocheck((to),(from),(n)) : \ - __generic_copy_from_user_nocheck((to),(from),(n))) - -long strncpy_from_user(char *dst, const char *src, long count); -long __strncpy_from_user(char *dst, const char *src, long count); -#define strlen_user(str) strnlen_user(str, ~0UL >> 1) -long strnlen_user(const char *str, long n); -unsigned long clear_user(void *mem, unsigned long len); -unsigned long __clear_user(void *mem, unsigned long len); - -#endif /* __i386_UACCESS_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ucontext.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ucontext.h deleted file mode 100644 index b0db36925f..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ucontext.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef _ASMi386_UCONTEXT_H -#define _ASMi386_UCONTEXT_H - -struct ucontext { - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - struct sigcontext uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -#endif /* !_ASMi386_UCONTEXT_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/unaligned.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/unaligned.h deleted file mode 100644 index 7acd795762..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/unaligned.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef __I386_UNALIGNED_H -#define __I386_UNALIGNED_H - -/* - * The i386 can do unaligned accesses itself. - * - * The strange macros are there to make sure these can't - * be misused in a way that makes them not work on other - * architectures where unaligned accesses aren't as simple. - */ - -/** - * get_unaligned - get value from possibly mis-aligned location - * @ptr: pointer to value - * - * This macro should be used for accessing values larger in size than - * single bytes at locations that are expected to be improperly aligned, - * e.g. retrieving a u16 value from a location not u16-aligned. - * - * Note that unaligned accesses can be very expensive on some architectures. - */ -#define get_unaligned(ptr) (*(ptr)) - -/** - * put_unaligned - put value to a possibly mis-aligned location - * @val: value to place - * @ptr: pointer to location - * - * This macro should be used for placing values larger in size than - * single bytes at locations that are expected to be improperly aligned, - * e.g. writing a u16 value to a location not u16-aligned. - * - * Note that unaligned accesses can be very expensive on some architectures. - */ -#define put_unaligned(val, ptr) ((void)( *(ptr) = (val) )) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/unistd.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/unistd.h deleted file mode 100644 index 36de103c24..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/unistd.h +++ /dev/null @@ -1,359 +0,0 @@ -#ifndef _ASM_I386_UNISTD_H_ -#define _ASM_I386_UNISTD_H_ - -/* - * This file contains the system call numbers. - */ - -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_profil 98 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_ioperm 101 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_olduname 109 -#define __NR_iopl 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86old 113 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_modify_ldt 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_vm86 166 -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread 180 -#define __NR_pwrite 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 /* some people actually want streams */ -#define __NR_putpmsg 189 /* some people actually want streams */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_madvise1 219 /* delete when C lib stub is removed */ -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -#define __NR_security 223 /* syscall for security modules */ -#define __NR_gettid 224 -#define __NR_readahead 225 - -/* user-visible error numbers are in the range -1 - -124: see <asm-i386/errno.h> */ - -#define __syscall_return(type, res) \ -do { \ - if ((unsigned long)(res) >= (unsigned long)(-125)) { \ - errno = -(res); \ - res = -1; \ - } \ - return (type) (res); \ -} while (0) - -/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ -#define _syscall0(type,name) \ -type name(void) \ -{ \ -long __res; \ -__asm__ volatile ("int $0x80" \ - : "=a" (__res) \ - : "0" (__NR_##name)); \ -__syscall_return(type,__res); \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ -long __res; \ -__asm__ volatile ("int $0x80" \ - : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1))); \ -__syscall_return(type,__res); \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) \ -{ \ -long __res; \ -__asm__ volatile ("int $0x80" \ - : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \ -__syscall_return(type,__res); \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) \ -{ \ -long __res; \ -__asm__ volatile ("int $0x80" \ - : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ - "d" ((long)(arg3))); \ -__syscall_return(type,__res); \ -} - -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ -long __res; \ -__asm__ volatile ("int $0x80" \ - : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ - "d" ((long)(arg3)),"S" ((long)(arg4))); \ -__syscall_return(type,__res); \ -} - -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ -{ \ -long __res; \ -__asm__ volatile ("int $0x80" \ - : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ - "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ -__syscall_return(type,__res); \ -} - -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ -{ \ -long __res; \ -__asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; int $0x80 ; pop %%ebp" \ - : "=a" (__res) \ - : "i" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ - "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)), \ - "0" ((long)(arg6))); \ -__syscall_return(type,__res); \ -} - -#ifdef __KERNEL_SYSCALLS__ - -/* - * we need this inline - forking from kernel space will result - * in NO COPY ON WRITE (!!!), until an execve is executed. This - * is no problem, but for the stack. This is handled by not letting - * main() use the stack at all after fork(). Thus, no function - * calls - which means inline code for fork too, as otherwise we - * would use the stack upon exit from 'fork()'. - * - * Actually only pause and fork are needed inline, so that there - * won't be any messing with the stack from main(), but we define - * some others too. - */ -#define __NR__exit __NR_exit -static inline _syscall0(int,pause) -static inline _syscall0(int,sync) -static inline _syscall0(pid_t,setsid) -static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count) -static inline _syscall3(int,read,int,fd,char *,buf,off_t,count) -static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count) -static inline _syscall1(int,dup,int,fd) -static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp) -static inline _syscall3(int,open,const char *,file,int,flag,int,mode) -static inline _syscall1(int,close,int,fd) -static inline _syscall1(int,_exit,int,exitcode) -static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options) -static inline _syscall1(int,delete_module,const char *,name) - -static inline pid_t wait(int * wait_stat) -{ - return waitpid(-1,wait_stat,0); -} - -#endif - -#endif /* _ASM_I386_UNISTD_H_ */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/user.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/user.h deleted file mode 100644 index ddc06ea014..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/user.h +++ /dev/null @@ -1,122 +0,0 @@ -#ifndef _I386_USER_H -#define _I386_USER_H - -#include <asm/page.h> -#include <linux/ptrace.h> -/* Core file format: The core file is written in such a way that gdb - can understand it and provide useful information to the user (under - linux we use the 'trad-core' bfd). There are quite a number of - obstacles to being able to view the contents of the floating point - registers, and until these are solved you will not be able to view the - contents of them. Actually, you can read in the core file and look at - the contents of the user struct to find out what the floating point - registers contain. - The actual file contents are as follows: - UPAGE: 1 page consisting of a user struct that tells gdb what is present - in the file. Directly after this is a copy of the task_struct, which - is currently not used by gdb, but it may come in useful at some point. - All of the registers are stored as part of the upage. The upage should - always be only one page. - DATA: The data area is stored. We use current->end_text to - current->brk to pick up all of the user variables, plus any memory - that may have been malloced. No attempt is made to determine if a page - is demand-zero or if a page is totally unused, we just cover the entire - range. All of the addresses are rounded in such a way that an integral - number of pages is written. - STACK: We need the stack information in order to get a meaningful - backtrace. We need to write the data from (esp) to - current->start_stack, so we round each of these off in order to be able - to write an integer number of pages. - The minimum core file size is 3 pages, or 12288 bytes. -*/ - -/* - * Pentium III FXSR, SSE support - * Gareth Hughes <gareth@valinux.com>, May 2000 - * - * Provide support for the GDB 5.0+ PTRACE_{GET|SET}FPXREGS requests for - * interacting with the FXSR-format floating point environment. Floating - * point data can be accessed in the regular format in the usual manner, - * and both the standard and SIMD floating point data can be accessed via - * the new ptrace requests. In either case, changes to the FPU environment - * will be reflected in the task's state as expected. - */ - -struct user_i387_struct { - long cwd; - long swd; - long twd; - long fip; - long fcs; - long foo; - long fos; - long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ -}; - -struct user_fxsr_struct { - unsigned short cwd; - unsigned short swd; - unsigned short twd; - unsigned short fop; - long fip; - long fcs; - long foo; - long fos; - long mxcsr; - long reserved; - long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ - long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ - long padding[56]; -}; - -/* - * This is the old layout of "struct pt_regs", and - * is still the layout used by user mode (the new - * pt_regs doesn't have all registers as the kernel - * doesn't use the extra segment registers) - */ -struct user_regs_struct { - long ebx, ecx, edx, esi, edi, ebp, eax; - unsigned short ds, __ds, es, __es; - unsigned short fs, __fs, gs, __gs; - long orig_eax, eip; - unsigned short cs, __cs; - long eflags, esp; - unsigned short ss, __ss; -}; - -/* When the kernel dumps core, it starts by dumping the user struct - - this will be used by gdb to figure out where the data and stack segments - are within the file, and what virtual addresses to use. */ -struct user{ -/* We start with the registers, to mimic the way that "memory" is returned - from the ptrace(3,...) function. */ - struct user_regs_struct regs; /* Where the registers are actually stored */ -/* ptrace does not yet supply these. Someday.... */ - int u_fpvalid; /* True if math co-processor being used. */ - /* for this mess. Not yet used. */ - struct user_i387_struct i387; /* Math Co-processor registers. */ -/* The rest of this junk is to help gdb figure out what goes where */ - unsigned long int u_tsize; /* Text segment size (pages). */ - unsigned long int u_dsize; /* Data segment size (pages). */ - unsigned long int u_ssize; /* Stack segment size (pages). */ - unsigned long start_code; /* Starting virtual address of text. */ - unsigned long start_stack; /* Starting virtual address of stack area. - This is actually the bottom of the stack, - the top of the stack is always found in the - esp register. */ - long int signal; /* Signal that caused the core dump. */ - int reserved; /* No longer used */ - struct user_pt_regs * u_ar0; /* Used by gdb to help find the values for */ - /* the registers. */ - struct user_i387_struct* u_fpstate; /* Math Co-processor pointer. */ - unsigned long magic; /* To uniquely identify a core file */ - char u_comm[32]; /* User command that was responsible */ - int u_debugreg[8]; -}; -#define NBPG PAGE_SIZE -#define UPAGES 1 -#define HOST_TEXT_START_ADDR (u.start_code) -#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) - -#endif /* _I386_USER_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/vga.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/vga.h deleted file mode 100644 index ef0c0e50cc..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/vga.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Access to VGA videoram - * - * (c) 1998 Martin Mares <mj@ucw.cz> - */ - -#ifndef _LINUX_ASM_VGA_H_ -#define _LINUX_ASM_VGA_H_ - -/* - * On the PC, we can just recalculate addresses and then - * access the videoram directly without any black magic. - */ - -#define VGA_MAP_MEM(x) (unsigned long)phys_to_virt(x) - -#define vga_readb(x) (*(x)) -#define vga_writeb(x,y) (*(y) = (x)) - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/xor.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/xor.h deleted file mode 100644 index 5a99f54553..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/xor.h +++ /dev/null @@ -1,859 +0,0 @@ -/* - * include/asm-i386/xor.h - * - * Optimized RAID-5 checksumming functions for MMX and SSE. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * You should have received a copy of the GNU General Public License - * (for example /usr/src/linux/COPYING); if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * High-speed RAID5 checksumming functions utilizing MMX instructions. - * Copyright (C) 1998 Ingo Molnar. - */ - -#define FPU_SAVE \ - do { \ - if (!(current->flags & PF_USEDFPU)) \ - __asm__ __volatile__ (" clts;\n"); \ - __asm__ __volatile__ ("fsave %0; fwait": "=m"(fpu_save[0])); \ - } while (0) - -#define FPU_RESTORE \ - do { \ - __asm__ __volatile__ ("frstor %0": : "m"(fpu_save[0])); \ - if (!(current->flags & PF_USEDFPU)) \ - stts(); \ - } while (0) - -#define LD(x,y) " movq 8*("#x")(%1), %%mm"#y" ;\n" -#define ST(x,y) " movq %%mm"#y", 8*("#x")(%1) ;\n" -#define XO1(x,y) " pxor 8*("#x")(%2), %%mm"#y" ;\n" -#define XO2(x,y) " pxor 8*("#x")(%3), %%mm"#y" ;\n" -#define XO3(x,y) " pxor 8*("#x")(%4), %%mm"#y" ;\n" -#define XO4(x,y) " pxor 8*("#x")(%5), %%mm"#y" ;\n" - - -static void -xor_pII_mmx_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) -{ - unsigned long lines = bytes >> 7; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - XO1(i,0) \ - ST(i,0) \ - XO1(i+1,1) \ - ST(i+1,1) \ - XO1(i+2,2) \ - ST(i+2,2) \ - XO1(i+3,3) \ - ST(i+3,3) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $128, %1 ;\n" - " addl $128, %2 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2) - : "memory"); - - FPU_RESTORE; -} - -static void -xor_pII_mmx_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3) -{ - unsigned long lines = bytes >> 7; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - XO2(i,0) \ - ST(i,0) \ - XO2(i+1,1) \ - ST(i+1,1) \ - XO2(i+2,2) \ - ST(i+2,2) \ - XO2(i+3,3) \ - ST(i+3,3) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $128, %1 ;\n" - " addl $128, %2 ;\n" - " addl $128, %3 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2), "r" (p3) - : "memory"); - - FPU_RESTORE; -} - -static void -xor_pII_mmx_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3, unsigned long *p4) -{ - unsigned long lines = bytes >> 7; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - XO2(i,0) \ - XO2(i+1,1) \ - XO2(i+2,2) \ - XO2(i+3,3) \ - XO3(i,0) \ - ST(i,0) \ - XO3(i+1,1) \ - ST(i+1,1) \ - XO3(i+2,2) \ - ST(i+2,2) \ - XO3(i+3,3) \ - ST(i+3,3) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $128, %1 ;\n" - " addl $128, %2 ;\n" - " addl $128, %3 ;\n" - " addl $128, %4 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2), "r" (p3), "r" (p4) - : "memory"); - - FPU_RESTORE; -} - -static void -xor_pII_mmx_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3, unsigned long *p4, unsigned long *p5) -{ - unsigned long lines = bytes >> 7; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - XO2(i,0) \ - XO2(i+1,1) \ - XO2(i+2,2) \ - XO2(i+3,3) \ - XO3(i,0) \ - XO3(i+1,1) \ - XO3(i+2,2) \ - XO3(i+3,3) \ - XO4(i,0) \ - ST(i,0) \ - XO4(i+1,1) \ - ST(i+1,1) \ - XO4(i+2,2) \ - ST(i+2,2) \ - XO4(i+3,3) \ - ST(i+3,3) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $128, %1 ;\n" - " addl $128, %2 ;\n" - " addl $128, %3 ;\n" - " addl $128, %4 ;\n" - " addl $128, %5 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "g" (lines), - "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5) - : "memory"); - - FPU_RESTORE; -} - -#undef LD -#undef XO1 -#undef XO2 -#undef XO3 -#undef XO4 -#undef ST -#undef BLOCK - -static void -xor_p5_mmx_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) -{ - unsigned long lines = bytes >> 6; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( - " .align 32 ;\n" - " 1: ;\n" - " movq (%1), %%mm0 ;\n" - " movq 8(%1), %%mm1 ;\n" - " pxor (%2), %%mm0 ;\n" - " movq 16(%1), %%mm2 ;\n" - " movq %%mm0, (%1) ;\n" - " pxor 8(%2), %%mm1 ;\n" - " movq 24(%1), %%mm3 ;\n" - " movq %%mm1, 8(%1) ;\n" - " pxor 16(%2), %%mm2 ;\n" - " movq 32(%1), %%mm4 ;\n" - " movq %%mm2, 16(%1) ;\n" - " pxor 24(%2), %%mm3 ;\n" - " movq 40(%1), %%mm5 ;\n" - " movq %%mm3, 24(%1) ;\n" - " pxor 32(%2), %%mm4 ;\n" - " movq 48(%1), %%mm6 ;\n" - " movq %%mm4, 32(%1) ;\n" - " pxor 40(%2), %%mm5 ;\n" - " movq 56(%1), %%mm7 ;\n" - " movq %%mm5, 40(%1) ;\n" - " pxor 48(%2), %%mm6 ;\n" - " pxor 56(%2), %%mm7 ;\n" - " movq %%mm6, 48(%1) ;\n" - " movq %%mm7, 56(%1) ;\n" - - " addl $64, %1 ;\n" - " addl $64, %2 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2) - : "memory"); - - FPU_RESTORE; -} - -static void -xor_p5_mmx_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3) -{ - unsigned long lines = bytes >> 6; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( - " .align 32,0x90 ;\n" - " 1: ;\n" - " movq (%1), %%mm0 ;\n" - " movq 8(%1), %%mm1 ;\n" - " pxor (%2), %%mm0 ;\n" - " movq 16(%1), %%mm2 ;\n" - " pxor 8(%2), %%mm1 ;\n" - " pxor (%3), %%mm0 ;\n" - " pxor 16(%2), %%mm2 ;\n" - " movq %%mm0, (%1) ;\n" - " pxor 8(%3), %%mm1 ;\n" - " pxor 16(%3), %%mm2 ;\n" - " movq 24(%1), %%mm3 ;\n" - " movq %%mm1, 8(%1) ;\n" - " movq 32(%1), %%mm4 ;\n" - " movq 40(%1), %%mm5 ;\n" - " pxor 24(%2), %%mm3 ;\n" - " movq %%mm2, 16(%1) ;\n" - " pxor 32(%2), %%mm4 ;\n" - " pxor 24(%3), %%mm3 ;\n" - " pxor 40(%2), %%mm5 ;\n" - " movq %%mm3, 24(%1) ;\n" - " pxor 32(%3), %%mm4 ;\n" - " pxor 40(%3), %%mm5 ;\n" - " movq 48(%1), %%mm6 ;\n" - " movq %%mm4, 32(%1) ;\n" - " movq 56(%1), %%mm7 ;\n" - " pxor 48(%2), %%mm6 ;\n" - " movq %%mm5, 40(%1) ;\n" - " pxor 56(%2), %%mm7 ;\n" - " pxor 48(%3), %%mm6 ;\n" - " pxor 56(%3), %%mm7 ;\n" - " movq %%mm6, 48(%1) ;\n" - " movq %%mm7, 56(%1) ;\n" - - " addl $64, %1 ;\n" - " addl $64, %2 ;\n" - " addl $64, %3 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2), "r" (p3) - : "memory" ); - - FPU_RESTORE; -} - -static void -xor_p5_mmx_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3, unsigned long *p4) -{ - unsigned long lines = bytes >> 6; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( - " .align 32,0x90 ;\n" - " 1: ;\n" - " movq (%1), %%mm0 ;\n" - " movq 8(%1), %%mm1 ;\n" - " pxor (%2), %%mm0 ;\n" - " movq 16(%1), %%mm2 ;\n" - " pxor 8(%2), %%mm1 ;\n" - " pxor (%3), %%mm0 ;\n" - " pxor 16(%2), %%mm2 ;\n" - " pxor 8(%3), %%mm1 ;\n" - " pxor (%4), %%mm0 ;\n" - " movq 24(%1), %%mm3 ;\n" - " pxor 16(%3), %%mm2 ;\n" - " pxor 8(%4), %%mm1 ;\n" - " movq %%mm0, (%1) ;\n" - " movq 32(%1), %%mm4 ;\n" - " pxor 24(%2), %%mm3 ;\n" - " pxor 16(%4), %%mm2 ;\n" - " movq %%mm1, 8(%1) ;\n" - " movq 40(%1), %%mm5 ;\n" - " pxor 32(%2), %%mm4 ;\n" - " pxor 24(%3), %%mm3 ;\n" - " movq %%mm2, 16(%1) ;\n" - " pxor 40(%2), %%mm5 ;\n" - " pxor 32(%3), %%mm4 ;\n" - " pxor 24(%4), %%mm3 ;\n" - " movq %%mm3, 24(%1) ;\n" - " movq 56(%1), %%mm7 ;\n" - " movq 48(%1), %%mm6 ;\n" - " pxor 40(%3), %%mm5 ;\n" - " pxor 32(%4), %%mm4 ;\n" - " pxor 48(%2), %%mm6 ;\n" - " movq %%mm4, 32(%1) ;\n" - " pxor 56(%2), %%mm7 ;\n" - " pxor 40(%4), %%mm5 ;\n" - " pxor 48(%3), %%mm6 ;\n" - " pxor 56(%3), %%mm7 ;\n" - " movq %%mm5, 40(%1) ;\n" - " pxor 48(%4), %%mm6 ;\n" - " pxor 56(%4), %%mm7 ;\n" - " movq %%mm6, 48(%1) ;\n" - " movq %%mm7, 56(%1) ;\n" - - " addl $64, %1 ;\n" - " addl $64, %2 ;\n" - " addl $64, %3 ;\n" - " addl $64, %4 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2), "r" (p3), "r" (p4) - : "memory"); - - FPU_RESTORE; -} - -static void -xor_p5_mmx_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3, unsigned long *p4, unsigned long *p5) -{ - unsigned long lines = bytes >> 6; - char fpu_save[108]; - - FPU_SAVE; - - __asm__ __volatile__ ( - " .align 32,0x90 ;\n" - " 1: ;\n" - " movq (%1), %%mm0 ;\n" - " movq 8(%1), %%mm1 ;\n" - " pxor (%2), %%mm0 ;\n" - " pxor 8(%2), %%mm1 ;\n" - " movq 16(%1), %%mm2 ;\n" - " pxor (%3), %%mm0 ;\n" - " pxor 8(%3), %%mm1 ;\n" - " pxor 16(%2), %%mm2 ;\n" - " pxor (%4), %%mm0 ;\n" - " pxor 8(%4), %%mm1 ;\n" - " pxor 16(%3), %%mm2 ;\n" - " movq 24(%1), %%mm3 ;\n" - " pxor (%5), %%mm0 ;\n" - " pxor 8(%5), %%mm1 ;\n" - " movq %%mm0, (%1) ;\n" - " pxor 16(%4), %%mm2 ;\n" - " pxor 24(%2), %%mm3 ;\n" - " movq %%mm1, 8(%1) ;\n" - " pxor 16(%5), %%mm2 ;\n" - " pxor 24(%3), %%mm3 ;\n" - " movq 32(%1), %%mm4 ;\n" - " movq %%mm2, 16(%1) ;\n" - " pxor 24(%4), %%mm3 ;\n" - " pxor 32(%2), %%mm4 ;\n" - " movq 40(%1), %%mm5 ;\n" - " pxor 24(%5), %%mm3 ;\n" - " pxor 32(%3), %%mm4 ;\n" - " pxor 40(%2), %%mm5 ;\n" - " movq %%mm3, 24(%1) ;\n" - " pxor 32(%4), %%mm4 ;\n" - " pxor 40(%3), %%mm5 ;\n" - " movq 48(%1), %%mm6 ;\n" - " movq 56(%1), %%mm7 ;\n" - " pxor 32(%5), %%mm4 ;\n" - " pxor 40(%4), %%mm5 ;\n" - " pxor 48(%2), %%mm6 ;\n" - " pxor 56(%2), %%mm7 ;\n" - " movq %%mm4, 32(%1) ;\n" - " pxor 48(%3), %%mm6 ;\n" - " pxor 56(%3), %%mm7 ;\n" - " pxor 40(%5), %%mm5 ;\n" - " pxor 48(%4), %%mm6 ;\n" - " pxor 56(%4), %%mm7 ;\n" - " movq %%mm5, 40(%1) ;\n" - " pxor 48(%5), %%mm6 ;\n" - " pxor 56(%5), %%mm7 ;\n" - " movq %%mm6, 48(%1) ;\n" - " movq %%mm7, 56(%1) ;\n" - - " addl $64, %1 ;\n" - " addl $64, %2 ;\n" - " addl $64, %3 ;\n" - " addl $64, %4 ;\n" - " addl $64, %5 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "g" (lines), - "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5) - : "memory"); - - FPU_RESTORE; -} - -static struct xor_block_template xor_block_pII_mmx = { - name: "pII_mmx", - do_2: xor_pII_mmx_2, - do_3: xor_pII_mmx_3, - do_4: xor_pII_mmx_4, - do_5: xor_pII_mmx_5, -}; - -static struct xor_block_template xor_block_p5_mmx = { - name: "p5_mmx", - do_2: xor_p5_mmx_2, - do_3: xor_p5_mmx_3, - do_4: xor_p5_mmx_4, - do_5: xor_p5_mmx_5, -}; - -#undef FPU_SAVE -#undef FPU_RESTORE - -/* - * Cache avoiding checksumming functions utilizing KNI instructions - * Copyright (C) 1999 Zach Brown (with obvious credit due Ingo) - */ - -#define XMMS_SAVE \ - __asm__ __volatile__ ( \ - "movl %%cr0,%0 ;\n\t" \ - "clts ;\n\t" \ - "movups %%xmm0,(%1) ;\n\t" \ - "movups %%xmm1,0x10(%1) ;\n\t" \ - "movups %%xmm2,0x20(%1) ;\n\t" \ - "movups %%xmm3,0x30(%1) ;\n\t" \ - : "=r" (cr0) \ - : "r" (xmm_save) \ - : "memory") - -#define XMMS_RESTORE \ - __asm__ __volatile__ ( \ - "sfence ;\n\t" \ - "movups (%1),%%xmm0 ;\n\t" \ - "movups 0x10(%1),%%xmm1 ;\n\t" \ - "movups 0x20(%1),%%xmm2 ;\n\t" \ - "movups 0x30(%1),%%xmm3 ;\n\t" \ - "movl %0,%%cr0 ;\n\t" \ - : \ - : "r" (cr0), "r" (xmm_save) \ - : "memory") - -#define OFFS(x) "16*("#x")" -#define PF_OFFS(x) "256+16*("#x")" -#define PF0(x) " prefetchnta "PF_OFFS(x)"(%1) ;\n" -#define LD(x,y) " movaps "OFFS(x)"(%1), %%xmm"#y" ;\n" -#define ST(x,y) " movaps %%xmm"#y", "OFFS(x)"(%1) ;\n" -#define PF1(x) " prefetchnta "PF_OFFS(x)"(%2) ;\n" -#define PF2(x) " prefetchnta "PF_OFFS(x)"(%3) ;\n" -#define PF3(x) " prefetchnta "PF_OFFS(x)"(%4) ;\n" -#define PF4(x) " prefetchnta "PF_OFFS(x)"(%5) ;\n" -#define PF5(x) " prefetchnta "PF_OFFS(x)"(%6) ;\n" -#define XO1(x,y) " xorps "OFFS(x)"(%2), %%xmm"#y" ;\n" -#define XO2(x,y) " xorps "OFFS(x)"(%3), %%xmm"#y" ;\n" -#define XO3(x,y) " xorps "OFFS(x)"(%4), %%xmm"#y" ;\n" -#define XO4(x,y) " xorps "OFFS(x)"(%5), %%xmm"#y" ;\n" -#define XO5(x,y) " xorps "OFFS(x)"(%6), %%xmm"#y" ;\n" - - -static void -xor_sse_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) -{ - unsigned long lines = bytes >> 8; - char xmm_save[16*4]; - int cr0; - - XMMS_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - LD(i,0) \ - LD(i+1,1) \ - PF1(i) \ - PF1(i+2) \ - LD(i+2,2) \ - LD(i+3,3) \ - PF0(i+4) \ - PF0(i+6) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - ST(i,0) \ - ST(i+1,1) \ - ST(i+2,2) \ - ST(i+3,3) \ - - - PF0(0) - PF0(2) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $256, %1 ;\n" - " addl $256, %2 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2) - : "memory"); - - XMMS_RESTORE; -} - -static void -xor_sse_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3) -{ - unsigned long lines = bytes >> 8; - char xmm_save[16*4]; - int cr0; - - XMMS_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - PF1(i) \ - PF1(i+2) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - PF2(i) \ - PF2(i+2) \ - PF0(i+4) \ - PF0(i+6) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - XO2(i,0) \ - XO2(i+1,1) \ - XO2(i+2,2) \ - XO2(i+3,3) \ - ST(i,0) \ - ST(i+1,1) \ - ST(i+2,2) \ - ST(i+3,3) \ - - - PF0(0) - PF0(2) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $256, %1 ;\n" - " addl $256, %2 ;\n" - " addl $256, %3 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r"(p2), "r"(p3) - : "memory" ); - - XMMS_RESTORE; -} - -static void -xor_sse_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3, unsigned long *p4) -{ - unsigned long lines = bytes >> 8; - char xmm_save[16*4]; - int cr0; - - XMMS_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - PF1(i) \ - PF1(i+2) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - PF2(i) \ - PF2(i+2) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - PF3(i) \ - PF3(i+2) \ - PF0(i+4) \ - PF0(i+6) \ - XO2(i,0) \ - XO2(i+1,1) \ - XO2(i+2,2) \ - XO2(i+3,3) \ - XO3(i,0) \ - XO3(i+1,1) \ - XO3(i+2,2) \ - XO3(i+3,3) \ - ST(i,0) \ - ST(i+1,1) \ - ST(i+2,2) \ - ST(i+3,3) \ - - - PF0(0) - PF0(2) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $256, %1 ;\n" - " addl $256, %2 ;\n" - " addl $256, %3 ;\n" - " addl $256, %4 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2), "r" (p3), "r" (p4) - : "memory" ); - - XMMS_RESTORE; -} - -static void -xor_sse_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, - unsigned long *p3, unsigned long *p4, unsigned long *p5) -{ - unsigned long lines = bytes >> 8; - char xmm_save[16*4]; - int cr0; - - XMMS_SAVE; - - __asm__ __volatile__ ( -#undef BLOCK -#define BLOCK(i) \ - PF1(i) \ - PF1(i+2) \ - LD(i,0) \ - LD(i+1,1) \ - LD(i+2,2) \ - LD(i+3,3) \ - PF2(i) \ - PF2(i+2) \ - XO1(i,0) \ - XO1(i+1,1) \ - XO1(i+2,2) \ - XO1(i+3,3) \ - PF3(i) \ - PF3(i+2) \ - XO2(i,0) \ - XO2(i+1,1) \ - XO2(i+2,2) \ - XO2(i+3,3) \ - PF4(i) \ - PF4(i+2) \ - PF0(i+4) \ - PF0(i+6) \ - XO3(i,0) \ - XO3(i+1,1) \ - XO3(i+2,2) \ - XO3(i+3,3) \ - XO4(i,0) \ - XO4(i+1,1) \ - XO4(i+2,2) \ - XO4(i+3,3) \ - ST(i,0) \ - ST(i+1,1) \ - ST(i+2,2) \ - ST(i+3,3) \ - - - PF0(0) - PF0(2) - - " .align 32 ;\n" - " 1: ;\n" - - BLOCK(0) - BLOCK(4) - BLOCK(8) - BLOCK(12) - - " addl $256, %1 ;\n" - " addl $256, %2 ;\n" - " addl $256, %3 ;\n" - " addl $256, %4 ;\n" - " addl $256, %5 ;\n" - " decl %0 ;\n" - " jnz 1b ;\n" - : - : "r" (lines), - "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5) - : "memory"); - - XMMS_RESTORE; -} - -static struct xor_block_template xor_block_pIII_sse = { - name: "pIII_sse", - do_2: xor_sse_2, - do_3: xor_sse_3, - do_4: xor_sse_4, - do_5: xor_sse_5, -}; - -/* Also try the generic routines. */ -#include <asm-generic/xor.h> - -#undef XOR_TRY_TEMPLATES -#define XOR_TRY_TEMPLATES \ - do { \ - xor_speed(&xor_block_8regs); \ - xor_speed(&xor_block_32regs); \ - if (cpu_has_xmm) \ - xor_speed(&xor_block_pIII_sse); \ - if (md_cpu_has_mmx()) { \ - xor_speed(&xor_block_pII_mmx); \ - xor_speed(&xor_block_p5_mmx); \ - } \ - } while (0) - -/* We force the use of the SSE xor block because it can write around L2. - We may also be able to load into the L1 only depending on how the cpu - deals with a load to a line that is being prefetched. */ -#define XOR_SELECT_TEMPLATE(FASTEST) \ - (cpu_has_xmm ? &xor_block_pIII_sse : FASTEST) diff --git a/old/xenolinux-2.4.16-sparse/include/linux/blk.h b/old/xenolinux-2.4.16-sparse/include/linux/blk.h deleted file mode 100644 index c96120e11b..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/linux/blk.h +++ /dev/null @@ -1,416 +0,0 @@ -#ifndef _BLK_H -#define _BLK_H - -#include <linux/blkdev.h> -#include <linux/locks.h> -#include <linux/config.h> -#include <linux/spinlock.h> - -/* - * Spinlock for protecting the request queue which - * is mucked around with in interrupts on potentially - * multiple CPU's.. - */ -extern spinlock_t io_request_lock; - -/* - * Initialization functions. - */ -extern int isp16_init(void); -extern int cdu31a_init(void); -extern int acsi_init(void); -extern int mcd_init(void); -extern int mcdx_init(void); -extern int sbpcd_init(void); -extern int aztcd_init(void); -extern int sony535_init(void); -extern int gscd_init(void); -extern int cm206_init(void); -extern int optcd_init(void); -extern int sjcd_init(void); -extern int cdi_init(void); -extern int hd_init(void); -extern int ide_init(void); -extern int xd_init(void); -extern int mfm_init(void); -extern int loop_init(void); -extern int md_init(void); -extern int ap_init(void); -extern int ddv_init(void); -extern int z2_init(void); -extern int swim3_init(void); -extern int swimiop_init(void); -extern int amiga_floppy_init(void); -extern int atari_floppy_init(void); -extern int ez_init(void); -extern int bpcd_init(void); -extern int ps2esdi_init(void); -extern int jsfd_init(void); -extern int viodasd_init(void); -extern int viocd_init(void); -extern int xlblk_init(void); - -#if defined(CONFIG_ARCH_S390) -extern int dasd_init(void); -extern int xpram_init(void); -extern int tapeblock_init(void); -#endif /* CONFIG_ARCH_S390 */ - -extern void set_device_ro(kdev_t dev,int flag); -void add_blkdev_randomness(int major); - -extern int floppy_init(void); -extern void rd_load(void); -extern int rd_init(void); -extern int rd_doload; /* 1 = load ramdisk, 0 = don't load */ -extern int rd_prompt; /* 1 = prompt for ramdisk, 0 = don't prompt */ -extern int rd_image_start; /* starting block # of image */ - -#ifdef CONFIG_BLK_DEV_INITRD - -#define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */ - -extern unsigned long initrd_start,initrd_end; -extern int mount_initrd; /* zero if initrd should not be mounted */ -extern int initrd_below_start_ok; /* 1 if it is not an error if initrd_start < memory_start */ -void initrd_init(void); - -#endif - - -/* - * end_request() and friends. Must be called with the request queue spinlock - * acquired. All functions called within end_request() _must_be_ atomic. - * - * Several drivers define their own end_request and call - * end_that_request_first() and end_that_request_last() - * for parts of the original function. This prevents - * code duplication in drivers. - */ - -static inline void blkdev_dequeue_request(struct request * req) -{ - list_del(&req->queue); -} - -int end_that_request_first(struct request *req, int uptodate, char *name); -void end_that_request_last(struct request *req); - -#if defined(MAJOR_NR) || defined(IDE_DRIVER) - -#undef DEVICE_ON -#undef DEVICE_OFF - -/* - * Add entries as needed. - */ - -#ifdef IDE_DRIVER - -#define DEVICE_NR(device) (MINOR(device) >> PARTN_BITS) -#define DEVICE_NAME "ide" - -#elif (MAJOR_NR == RAMDISK_MAJOR) - -/* ram disk */ -#define DEVICE_NAME "ramdisk" -#define DEVICE_NR(device) (MINOR(device)) -#define DEVICE_NO_RANDOM - -#elif (MAJOR_NR == Z2RAM_MAJOR) - -/* Zorro II Ram */ -#define DEVICE_NAME "Z2RAM" -#define DEVICE_REQUEST do_z2_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == FLOPPY_MAJOR) - -static void floppy_off(unsigned int nr); - -#define DEVICE_NAME "floppy" -#define DEVICE_INTR do_floppy -#define DEVICE_REQUEST do_fd_request -#define DEVICE_NR(device) ( (MINOR(device) & 3) | ((MINOR(device) & 0x80 ) >> 5 )) -#define DEVICE_OFF(device) floppy_off(DEVICE_NR(device)) - -#elif (MAJOR_NR == HD_MAJOR) - -/* Hard disk: timeout is 6 seconds. */ -#define DEVICE_NAME "hard disk" -#define DEVICE_INTR do_hd -#define TIMEOUT_VALUE (6*HZ) -#define DEVICE_REQUEST do_hd_request -#define DEVICE_NR(device) (MINOR(device)>>6) - -#elif (SCSI_DISK_MAJOR(MAJOR_NR)) - -#define DEVICE_NAME "scsidisk" -#define TIMEOUT_VALUE (2*HZ) -#define DEVICE_NR(device) (((MAJOR(device) & SD_MAJOR_MASK) << (8 - 4)) + (MINOR(device) >> 4)) - -/* Kludge to use the same number for both char and block major numbers */ -#elif (MAJOR_NR == MD_MAJOR) && defined(MD_DRIVER) - -#define DEVICE_NAME "Multiple devices driver" -#define DEVICE_REQUEST do_md_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == SCSI_TAPE_MAJOR) - -#define DEVICE_NAME "scsitape" -#define DEVICE_INTR do_st -#define DEVICE_NR(device) (MINOR(device) & 0x7f) - -#elif (MAJOR_NR == OSST_MAJOR) - -#define DEVICE_NAME "onstream" -#define DEVICE_INTR do_osst -#define DEVICE_NR(device) (MINOR(device) & 0x7f) -#define DEVICE_ON(device) -#define DEVICE_OFF(device) - -#elif (MAJOR_NR == SCSI_CDROM_MAJOR) - -#define DEVICE_NAME "CD-ROM" -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == XT_DISK_MAJOR) - -#define DEVICE_NAME "xt disk" -#define DEVICE_REQUEST do_xd_request -#define DEVICE_NR(device) (MINOR(device) >> 6) - -#elif (MAJOR_NR == PS2ESDI_MAJOR) - -#define DEVICE_NAME "PS/2 ESDI" -#define DEVICE_REQUEST do_ps2esdi_request -#define DEVICE_NR(device) (MINOR(device) >> 6) - -#elif (MAJOR_NR == CDU31A_CDROM_MAJOR) - -#define DEVICE_NAME "CDU31A" -#define DEVICE_REQUEST do_cdu31a_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == ACSI_MAJOR) && (defined(CONFIG_ATARI_ACSI) || defined(CONFIG_ATARI_ACSI_MODULE)) - -#define DEVICE_NAME "ACSI" -#define DEVICE_INTR do_acsi -#define DEVICE_REQUEST do_acsi_request -#define DEVICE_NR(device) (MINOR(device) >> 4) - -#elif (MAJOR_NR == MITSUMI_CDROM_MAJOR) - -#define DEVICE_NAME "Mitsumi CD-ROM" -/* #define DEVICE_INTR do_mcd */ -#define DEVICE_REQUEST do_mcd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == MITSUMI_X_CDROM_MAJOR) - -#define DEVICE_NAME "Mitsumi CD-ROM" -/* #define DEVICE_INTR do_mcdx */ -#define DEVICE_REQUEST do_mcdx_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == MATSUSHITA_CDROM_MAJOR) - -#define DEVICE_NAME "Matsushita CD-ROM controller #1" -#define DEVICE_REQUEST do_sbpcd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == MATSUSHITA_CDROM2_MAJOR) - -#define DEVICE_NAME "Matsushita CD-ROM controller #2" -#define DEVICE_REQUEST do_sbpcd2_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == MATSUSHITA_CDROM3_MAJOR) - -#define DEVICE_NAME "Matsushita CD-ROM controller #3" -#define DEVICE_REQUEST do_sbpcd3_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == MATSUSHITA_CDROM4_MAJOR) - -#define DEVICE_NAME "Matsushita CD-ROM controller #4" -#define DEVICE_REQUEST do_sbpcd4_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == AZTECH_CDROM_MAJOR) - -#define DEVICE_NAME "Aztech CD-ROM" -#define DEVICE_REQUEST do_aztcd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == CDU535_CDROM_MAJOR) - -#define DEVICE_NAME "SONY-CDU535" -#define DEVICE_INTR do_cdu535 -#define DEVICE_REQUEST do_cdu535_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == GOLDSTAR_CDROM_MAJOR) - -#define DEVICE_NAME "Goldstar R420" -#define DEVICE_REQUEST do_gscd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == CM206_CDROM_MAJOR) -#define DEVICE_NAME "Philips/LMS CD-ROM cm206" -#define DEVICE_REQUEST do_cm206_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == OPTICS_CDROM_MAJOR) - -#define DEVICE_NAME "DOLPHIN 8000AT CD-ROM" -#define DEVICE_REQUEST do_optcd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == SANYO_CDROM_MAJOR) - -#define DEVICE_NAME "Sanyo H94A CD-ROM" -#define DEVICE_REQUEST do_sjcd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == APBLOCK_MAJOR) - -#define DEVICE_NAME "apblock" -#define DEVICE_REQUEST ap_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == DDV_MAJOR) - -#define DEVICE_NAME "ddv" -#define DEVICE_REQUEST ddv_request -#define DEVICE_NR(device) (MINOR(device)>>PARTN_BITS) - -#elif (MAJOR_NR == MFM_ACORN_MAJOR) - -#define DEVICE_NAME "mfm disk" -#define DEVICE_INTR do_mfm -#define DEVICE_REQUEST do_mfm_request -#define DEVICE_NR(device) (MINOR(device) >> 6) - -#elif (MAJOR_NR == NBD_MAJOR) - -#define DEVICE_NAME "nbd" -#define DEVICE_REQUEST do_nbd_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == MDISK_MAJOR) - -#define DEVICE_NAME "mdisk" -#define DEVICE_REQUEST mdisk_request -#define DEVICE_NR(device) (MINOR(device)) - -#elif (MAJOR_NR == DASD_MAJOR) - -#define DEVICE_NAME "dasd" -#define DEVICE_REQUEST do_dasd_request -#define DEVICE_NR(device) (MINOR(device) >> PARTN_BITS) - -#elif (MAJOR_NR == I2O_MAJOR) - -#define DEVICE_NAME "I2O block" -#define DEVICE_REQUEST i2ob_request -#define DEVICE_NR(device) (MINOR(device)>>4) - -#elif (MAJOR_NR == COMPAQ_SMART2_MAJOR) - -#define DEVICE_NAME "ida" -#define TIMEOUT_VALUE (25*HZ) -#define DEVICE_REQUEST do_ida_request -#define DEVICE_NR(device) (MINOR(device) >> 4) - -#elif (MAJOR_NR == XLBLK_MAJOR) - -#define DEVICE_NAME "xeno disk" -#define DEVICE_REQUEST do_xlblk_request -/* #define DEVICE_INTR */ -#define DEVICE_NR(device) (MINOR(device)) - -#endif /* MAJOR_NR == whatever */ - -/* provide DEVICE_xxx defaults, if not explicitly defined - * above in the MAJOR_NR==xxx if-elif tree */ -#ifndef DEVICE_ON -#define DEVICE_ON(device) do {} while (0) -#endif -#ifndef DEVICE_OFF -#define DEVICE_OFF(device) do {} while (0) -#endif - -#if (MAJOR_NR != SCSI_TAPE_MAJOR) && (MAJOR_NR != OSST_MAJOR) -#if !defined(IDE_DRIVER) - -#ifndef CURRENT -#define CURRENT blkdev_entry_next_request(&blk_dev[MAJOR_NR].request_queue.queue_head) -#endif -#ifndef QUEUE_EMPTY -#define QUEUE_EMPTY list_empty(&blk_dev[MAJOR_NR].request_queue.queue_head) -#endif - -#ifndef DEVICE_NAME -#define DEVICE_NAME "unknown" -#endif - -#define CURRENT_DEV DEVICE_NR(CURRENT->rq_dev) - -#ifdef DEVICE_INTR -static void (*DEVICE_INTR)(void) = NULL; -#endif - -#define SET_INTR(x) (DEVICE_INTR = (x)) - -#ifdef DEVICE_REQUEST -static void (DEVICE_REQUEST)(request_queue_t *); -#endif - -#ifdef DEVICE_INTR -#define CLEAR_INTR SET_INTR(NULL) -#else -#define CLEAR_INTR -#endif - -#define INIT_REQUEST \ - if (QUEUE_EMPTY) {\ - CLEAR_INTR; \ - return; \ - } \ - if (MAJOR(CURRENT->rq_dev) != MAJOR_NR) \ - panic(DEVICE_NAME ": request list destroyed"); \ - if (CURRENT->bh) { \ - if (!buffer_locked(CURRENT->bh)) \ - panic(DEVICE_NAME ": block not locked"); \ - } - -#endif /* !defined(IDE_DRIVER) */ - - -#ifndef LOCAL_END_REQUEST /* If we have our own end_request, we do not want to include this mess */ - -#if ! SCSI_BLK_MAJOR(MAJOR_NR) && (MAJOR_NR != COMPAQ_SMART2_MAJOR) - -static inline void end_request(int uptodate) { - struct request *req = CURRENT; - - if (end_that_request_first(req, uptodate, DEVICE_NAME)) - return; - -#ifndef DEVICE_NO_RANDOM - add_blkdev_randomness(MAJOR(req->rq_dev)); -#endif - DEVICE_OFF(req->rq_dev); - blkdev_dequeue_request(req); - end_that_request_last(req); -} - -#endif /* ! SCSI_BLK_MAJOR(MAJOR_NR) */ -#endif /* LOCAL_END_REQUEST */ - -#endif /* (MAJOR_NR != SCSI_TAPE_MAJOR) */ -#endif /* defined(MAJOR_NR) || defined(IDE_DRIVER) */ - -#endif /* _BLK_H */ diff --git a/old/xenolinux-2.4.16-sparse/include/linux/major.h b/old/xenolinux-2.4.16-sparse/include/linux/major.h deleted file mode 100644 index 820bf68dc7..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/linux/major.h +++ /dev/null @@ -1,199 +0,0 @@ -#ifndef _LINUX_MAJOR_H -#define _LINUX_MAJOR_H - -/* - * This file has definitions for major device numbers. - * For the device number assignments, see Documentation/devices.txt. - */ - -/* limits */ - -/* - * Important: Don't change this to 256. Major number 255 is and must be - * reserved for future expansion into a larger dev_t space. - */ -#define MAX_CHRDEV 255 -#define MAX_BLKDEV 255 - -#define UNNAMED_MAJOR 0 -#define MEM_MAJOR 1 -#define RAMDISK_MAJOR 1 -#define FLOPPY_MAJOR 2 -#define PTY_MASTER_MAJOR 2 -#define IDE0_MAJOR 3 -#define PTY_SLAVE_MAJOR 3 -#define HD_MAJOR IDE0_MAJOR -#define TTY_MAJOR 4 -#define TTYAUX_MAJOR 5 -#define LP_MAJOR 6 -#define VCS_MAJOR 7 -#define LOOP_MAJOR 7 -#define SCSI_DISK0_MAJOR 8 -#define SCSI_TAPE_MAJOR 9 -#define MD_MAJOR 9 -#define MISC_MAJOR 10 -#define SCSI_CDROM_MAJOR 11 -#define QIC02_TAPE_MAJOR 12 -#define XT_DISK_MAJOR 13 -#define SOUND_MAJOR 14 -#define CDU31A_CDROM_MAJOR 15 -#define JOYSTICK_MAJOR 15 -#define GOLDSTAR_CDROM_MAJOR 16 -#define OPTICS_CDROM_MAJOR 17 -#define SANYO_CDROM_MAJOR 18 -#define CYCLADES_MAJOR 19 -#define CYCLADESAUX_MAJOR 20 -#define MITSUMI_X_CDROM_MAJOR 20 -#define MFM_ACORN_MAJOR 21 /* ARM Linux /dev/mfm */ -#define SCSI_GENERIC_MAJOR 21 -#define Z8530_MAJOR 34 -#define DIGI_MAJOR 23 -#define IDE1_MAJOR 22 -#define DIGICU_MAJOR 22 -#define MITSUMI_CDROM_MAJOR 23 -#define CDU535_CDROM_MAJOR 24 -#define STL_SERIALMAJOR 24 -#define MATSUSHITA_CDROM_MAJOR 25 -#define STL_CALLOUTMAJOR 25 -#define MATSUSHITA_CDROM2_MAJOR 26 -#define QIC117_TAPE_MAJOR 27 -#define MATSUSHITA_CDROM3_MAJOR 27 -#define MATSUSHITA_CDROM4_MAJOR 28 -#define STL_SIOMEMMAJOR 28 -#define ACSI_MAJOR 28 -#define AZTECH_CDROM_MAJOR 29 -#define GRAPHDEV_MAJOR 29 /* SparcLinux & Linux/68k /dev/fb */ -#define SHMIQ_MAJOR 85 /* Linux/mips, SGI /dev/shmiq */ -#define CM206_CDROM_MAJOR 32 -#define IDE2_MAJOR 33 -#define IDE3_MAJOR 34 -#define XPRAM_MAJOR 35 /* expanded storage on S/390 = "slow ram" */ - /* proposed by Peter */ -#define NETLINK_MAJOR 36 -#define PS2ESDI_MAJOR 36 -#define IDETAPE_MAJOR 37 -#define Z2RAM_MAJOR 37 -#define APBLOCK_MAJOR 38 /* AP1000 Block device */ -#define DDV_MAJOR 39 /* AP1000 DDV block device */ -#define NBD_MAJOR 43 /* Network block device */ -#define RISCOM8_NORMAL_MAJOR 48 -#define DAC960_MAJOR 48 /* 48..55 */ -#define RISCOM8_CALLOUT_MAJOR 49 -#define MKISS_MAJOR 55 -#define DSP56K_MAJOR 55 /* DSP56001 processor device */ - -#define IDE4_MAJOR 56 -#define IDE5_MAJOR 57 - -#define LVM_BLK_MAJOR 58 /* Logical Volume Manager */ - -#define SCSI_DISK1_MAJOR 65 -#define SCSI_DISK2_MAJOR 66 -#define SCSI_DISK3_MAJOR 67 -#define SCSI_DISK4_MAJOR 68 -#define SCSI_DISK5_MAJOR 69 -#define SCSI_DISK6_MAJOR 70 -#define SCSI_DISK7_MAJOR 71 - - -#define COMPAQ_SMART2_MAJOR 72 -#define COMPAQ_SMART2_MAJOR1 73 -#define COMPAQ_SMART2_MAJOR2 74 -#define COMPAQ_SMART2_MAJOR3 75 -#define COMPAQ_SMART2_MAJOR4 76 -#define COMPAQ_SMART2_MAJOR5 77 -#define COMPAQ_SMART2_MAJOR6 78 -#define COMPAQ_SMART2_MAJOR7 79 - -#define SPECIALIX_NORMAL_MAJOR 75 -#define SPECIALIX_CALLOUT_MAJOR 76 - -#define COMPAQ_CISS_MAJOR 104 -#define COMPAQ_CISS_MAJOR1 105 -#define COMPAQ_CISS_MAJOR2 106 -#define COMPAQ_CISS_MAJOR3 107 -#define COMPAQ_CISS_MAJOR4 108 -#define COMPAQ_CISS_MAJOR5 109 -#define COMPAQ_CISS_MAJOR6 110 -#define COMPAQ_CISS_MAJOR7 111 - -#define ATARAID_MAJOR 114 - -#define DASD_MAJOR 94 /* Official assignations from Peter */ - -#define MDISK_MAJOR 95 /* Official assignations from Peter */ - -#define I2O_MAJOR 80 /* 80->87 */ - -#define IDE6_MAJOR 88 -#define IDE7_MAJOR 89 -#define IDE8_MAJOR 90 -#define IDE9_MAJOR 91 - -#define UBD_MAJOR 98 - -#define AURORA_MAJOR 79 - -#define JSFD_MAJOR 99 - -#define PHONE_MAJOR 100 - -#define LVM_CHAR_MAJOR 109 /* Logical Volume Manager */ - -#define UMEM_MAJOR 116 /* http://www.umem.com/ Battery Backed RAM */ - -#define XLBLK_MAJOR 123 /* XenoLinux Block Device */ - -#define RTF_MAJOR 150 -#define RAW_MAJOR 162 - -#define USB_ACM_MAJOR 166 -#define USB_ACM_AUX_MAJOR 167 -#define USB_CHAR_MAJOR 180 - -#define UNIX98_PTY_MASTER_MAJOR 128 -#define UNIX98_PTY_MAJOR_COUNT 8 -#define UNIX98_PTY_SLAVE_MAJOR (UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT) - -#define VXVM_MAJOR 199 /* VERITAS volume i/o driver */ -#define VXSPEC_MAJOR 200 /* VERITAS volume config driver */ -#define VXDMP_MAJOR 201 /* VERITAS volume multipath driver */ - -#define MSR_MAJOR 202 -#define CPUID_MAJOR 203 - -#define OSST_MAJOR 206 /* OnStream-SCx0 SCSI tape */ - -#define IBM_TTY3270_MAJOR 227 /* Official allocations now */ -#define IBM_FS3270_MAJOR 228 - -/* - * Tests for SCSI devices. - */ - -#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \ - ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR)) - -#define SCSI_BLK_MAJOR(M) \ - (SCSI_DISK_MAJOR(M) \ - || (M) == SCSI_CDROM_MAJOR) - -static __inline__ int scsi_blk_major(int m) { - return SCSI_BLK_MAJOR(m); -} - -/* - * Tests for IDE devices - */ -#define IDE_DISK_MAJOR(M) ((M) == IDE0_MAJOR || (M) == IDE1_MAJOR || \ - (M) == IDE2_MAJOR || (M) == IDE3_MAJOR || \ - (M) == IDE4_MAJOR || (M) == IDE5_MAJOR || \ - (M) == IDE6_MAJOR || (M) == IDE7_MAJOR || \ - (M) == IDE8_MAJOR || (M) == IDE9_MAJOR) - -static __inline__ int ide_blk_major(int m) -{ - return IDE_DISK_MAJOR(m); -} - -#endif diff --git a/old/xenolinux-2.4.16-sparse/include/linux/sunrpc/debug.h b/old/xenolinux-2.4.16-sparse/include/linux/sunrpc/debug.h deleted file mode 100644 index 67dbfb887e..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/linux/sunrpc/debug.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * linux/include/linux/sunrpc/debug.h - * - * Debugging support for sunrpc module - * - * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> - */ - -#ifndef _LINUX_SUNRPC_DEBUG_H_ -#define _LINUX_SUNRPC_DEBUG_H_ - -#include <linux/config.h> - -#include <linux/timer.h> -#include <linux/tqueue.h> - -/* - * Enable RPC debugging/profiling. - */ -/*#ifdef CONFIG_SYSCTL*/ -/*#define RPC_DEBUG*/ -/*#endif*/ -/* #define RPC_PROFILE */ - -/* - * RPC debug facilities - */ -#define RPCDBG_XPRT 0x0001 -#define RPCDBG_CALL 0x0002 -#define RPCDBG_DEBUG 0x0004 -#define RPCDBG_NFS 0x0008 -#define RPCDBG_AUTH 0x0010 -#define RPCDBG_PMAP 0x0020 -#define RPCDBG_SCHED 0x0040 -#define RPCDBG_SVCSOCK 0x0100 -#define RPCDBG_SVCDSP 0x0200 -#define RPCDBG_MISC 0x0400 -#define RPCDBG_ALL 0x7fff - -#ifdef __KERNEL__ - -/* - * Debugging macros etc - */ -#ifdef RPC_DEBUG -extern unsigned int rpc_debug; -extern unsigned int nfs_debug; -extern unsigned int nfsd_debug; -extern unsigned int nlm_debug; -#endif - -#define dprintk(args...) dfprintk(FACILITY, ## args) - -#undef ifdebug -#ifdef RPC_DEBUG -# define ifdebug(fac) if (rpc_debug & RPCDBG_##fac) -# define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0) -# define RPC_IFDEBUG(x) x -#else -# define dfprintk(fac, args...) do ; while (0) -# define RPC_IFDEBUG(x) -#endif - -#ifdef RPC_PROFILE -# define pprintk(args...) printk(## args) -#else -# define pprintk(args...) do ; while (0) -#endif - -/* - * Sysctl interface for RPC debugging - */ -#ifdef RPC_DEBUG -void rpc_register_sysctl(void); -void rpc_unregister_sysctl(void); -#endif - -#endif /* __KERNEL__ */ - -/* - * Declarations for the sysctl debug interface, which allows to read or - * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc - * module currently registers its sysctl table dynamically, the sysctl path - * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>. - */ -#define CTL_SUNRPC 7249 /* arbitrary and hopefully unused */ - -enum { - CTL_RPCDEBUG = 1, - CTL_NFSDEBUG, - CTL_NFSDDEBUG, - CTL_NLMDEBUG, -}; - -#endif /* _LINUX_SUNRPC_DEBUG_H_ */ diff --git a/old/xenolinux-2.4.16-sparse/init/main.c b/old/xenolinux-2.4.16-sparse/init/main.c deleted file mode 100644 index f2047ce611..0000000000 --- a/old/xenolinux-2.4.16-sparse/init/main.c +++ /dev/null @@ -1,871 +0,0 @@ -/* - * linux/init/main.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * GK 2/5/95 - Changed to support mounting root fs via NFS - * Added initrd & change_root: Werner Almesberger & Hans Lermen, Feb '96 - * Moan early if gcc is old, avoiding bogus kernels - Paul Gortmaker, May '96 - * Simplified starting of init: Michael A. Griffith <grif@acm.org> - */ - -#define __KERNEL_SYSCALLS__ - -#include <linux/config.h> -#include <linux/proc_fs.h> -#include <linux/devfs_fs_kernel.h> -#include <linux/unistd.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/delay.h> -#include <linux/utsname.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include <linux/blk.h> -#include <linux/hdreg.h> -#include <linux/iobuf.h> -#include <linux/bootmem.h> -#include <linux/tty.h> - -#include <asm/io.h> -#include <asm/bugs.h> - -#if defined(CONFIG_ARCH_S390) -#include <asm/s390mach.h> -#include <asm/ccwcache.h> -#endif - -#ifdef CONFIG_PCI -#include <linux/pci.h> -#endif - -#ifdef CONFIG_DIO -#include <linux/dio.h> -#endif - -#ifdef CONFIG_ZORRO -#include <linux/zorro.h> -#endif - -#ifdef CONFIG_MTRR -# include <asm/mtrr.h> -#endif - -#ifdef CONFIG_NUBUS -#include <linux/nubus.h> -#endif - -#ifdef CONFIG_ISAPNP -#include <linux/isapnp.h> -#endif - -#ifdef CONFIG_IRDA -extern int irda_proto_init(void); -extern int irda_device_init(void); -#endif - -#ifdef CONFIG_X86_LOCAL_APIC -#include <asm/smp.h> -#endif - -#if defined(CONFIG_KDB) -#include <linux/kdb.h> -#endif - -/* - * Versions of gcc older than that listed below may actually compile - * and link okay, but the end product can have subtle run time bugs. - * To avoid associated bogus bug reports, we flatly refuse to compile - * with a gcc that is known to be too old from the very beginning. - */ -#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 91) -#error Sorry, your GCC is too old. It builds incorrect kernels. -#endif - -extern char _stext, _etext; -extern char *linux_banner; - -static int init(void *); - -extern void init_IRQ(void); -extern void init_modules(void); -extern void sock_init(void); -extern void fork_init(unsigned long); -extern void mca_init(void); -extern void sbus_init(void); -extern void ppc_init(void); -extern void sysctl_init(void); -extern void signals_init(void); -extern int init_pcmcia_ds(void); - -extern void free_initmem(void); - -#ifdef CONFIG_TC -extern void tc_init(void); -#endif - -extern void ecard_init(void); - -#if defined(CONFIG_SYSVIPC) -extern void ipc_init(void); -#endif - -/* - * Boot command-line arguments - */ -#define MAX_INIT_ARGS 8 -#define MAX_INIT_ENVS 8 - -extern void time_init(void); -extern void softirq_init(void); - -int rows, cols; - -#ifdef CONFIG_BLK_DEV_INITRD -unsigned int real_root_dev; /* do_proc_dointvec cannot handle kdev_t */ -#endif - -int root_mountflags = MS_RDONLY; -char *execute_command; -char root_device_name[64]; - - -static char * argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; -static char * envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, }; - -static int __init profile_setup(char *str) -{ - int par; - if (get_option(&str,&par)) prof_shift = par; - return 1; -} - -__setup("profile=", profile_setup); - - -static struct dev_name_struct { - const char *name; - const int num; -} root_dev_names[] __initdata = { - { "nfs", 0x00ff }, - { "xhda", 0x7b00 }, - { "hda", 0x0300 }, - { "hdb", 0x0340 }, - { "loop", 0x0700 }, - { "hdc", 0x1600 }, - { "hdd", 0x1640 }, - { "hde", 0x2100 }, - { "hdf", 0x2140 }, - { "hdg", 0x2200 }, - { "hdh", 0x2240 }, - { "hdi", 0x3800 }, - { "hdj", 0x3840 }, - { "hdk", 0x3900 }, - { "hdl", 0x3940 }, - { "hdm", 0x5800 }, - { "hdn", 0x5840 }, - { "hdo", 0x5900 }, - { "hdp", 0x5940 }, - { "hdq", 0x5A00 }, - { "hdr", 0x5A40 }, - { "hds", 0x5B00 }, - { "hdt", 0x5B40 }, - { "sda", 0x0800 }, - { "sdb", 0x0810 }, - { "sdc", 0x0820 }, - { "sdd", 0x0830 }, - { "sde", 0x0840 }, - { "sdf", 0x0850 }, - { "sdg", 0x0860 }, - { "sdh", 0x0870 }, - { "sdi", 0x0880 }, - { "sdj", 0x0890 }, - { "sdk", 0x08a0 }, - { "sdl", 0x08b0 }, - { "sdm", 0x08c0 }, - { "sdn", 0x08d0 }, - { "sdo", 0x08e0 }, - { "sdp", 0x08f0 }, - { "ada", 0x1c00 }, - { "adb", 0x1c10 }, - { "adc", 0x1c20 }, - { "add", 0x1c30 }, - { "ade", 0x1c40 }, - { "fd", 0x0200 }, - { "md", 0x0900 }, - { "xda", 0x0d00 }, - { "xdb", 0x0d40 }, - { "ram", 0x0100 }, - { "scd", 0x0b00 }, - { "mcd", 0x1700 }, - { "cdu535", 0x1800 }, - { "sonycd", 0x1800 }, - { "aztcd", 0x1d00 }, - { "cm206cd", 0x2000 }, - { "gscd", 0x1000 }, - { "sbpcd", 0x1900 }, - { "eda", 0x2400 }, - { "edb", 0x2440 }, - { "pda", 0x2d00 }, - { "pdb", 0x2d10 }, - { "pdc", 0x2d20 }, - { "pdd", 0x2d30 }, - { "pcd", 0x2e00 }, - { "pf", 0x2f00 }, - { "apblock", APBLOCK_MAJOR << 8}, - { "ddv", DDV_MAJOR << 8}, - { "jsfd", JSFD_MAJOR << 8}, -#if defined(CONFIG_ARCH_S390) - { "dasda", (DASD_MAJOR << MINORBITS) }, - { "dasdb", (DASD_MAJOR << MINORBITS) + (1 << 2) }, - { "dasdc", (DASD_MAJOR << MINORBITS) + (2 << 2) }, - { "dasdd", (DASD_MAJOR << MINORBITS) + (3 << 2) }, - { "dasde", (DASD_MAJOR << MINORBITS) + (4 << 2) }, - { "dasdf", (DASD_MAJOR << MINORBITS) + (5 << 2) }, - { "dasdg", (DASD_MAJOR << MINORBITS) + (6 << 2) }, - { "dasdh", (DASD_MAJOR << MINORBITS) + (7 << 2) }, -#endif -#if defined(CONFIG_BLK_CPQ_DA) || defined(CONFIG_BLK_CPQ_DA_MODULE) - { "ida/c0d0p",0x4800 }, - { "ida/c0d1p",0x4810 }, - { "ida/c0d2p",0x4820 }, - { "ida/c0d3p",0x4830 }, - { "ida/c0d4p",0x4840 }, - { "ida/c0d5p",0x4850 }, - { "ida/c0d6p",0x4860 }, - { "ida/c0d7p",0x4870 }, - { "ida/c0d8p",0x4880 }, - { "ida/c0d9p",0x4890 }, - { "ida/c0d10p",0x48A0 }, - { "ida/c0d11p",0x48B0 }, - { "ida/c0d12p",0x48C0 }, - { "ida/c0d13p",0x48D0 }, - { "ida/c0d14p",0x48E0 }, - { "ida/c0d15p",0x48F0 }, -#endif -#if defined(CONFIG_BLK_CPQ_CISS_DA) || defined(CONFIG_BLK_CPQ_CISS_DA_MODULE) - { "cciss/c0d0p",0x6800 }, - { "cciss/c0d1p",0x6810 }, - { "cciss/c0d2p",0x6820 }, - { "cciss/c0d3p",0x6830 }, - { "cciss/c0d4p",0x6840 }, - { "cciss/c0d5p",0x6850 }, - { "cciss/c0d6p",0x6860 }, - { "cciss/c0d7p",0x6870 }, - { "cciss/c0d8p",0x6880 }, - { "cciss/c0d9p",0x6890 }, - { "cciss/c0d10p",0x68A0 }, - { "cciss/c0d11p",0x68B0 }, - { "cciss/c0d12p",0x68C0 }, - { "cciss/c0d13p",0x68D0 }, - { "cciss/c0d14p",0x68E0 }, - { "cciss/c0d15p",0x68F0 }, -#endif - { "nftla", 0x5d00 }, - { "nftlb", 0x5d10 }, - { "nftlc", 0x5d20 }, - { "nftld", 0x5d30 }, - { "ftla", 0x2c00 }, - { "ftlb", 0x2c08 }, - { "ftlc", 0x2c10 }, - { "ftld", 0x2c18 }, - { "mtdblock", 0x1f00 }, - { NULL, 0 } -}; - -kdev_t __init name_to_kdev_t(char *line) -{ - int base = 0; - - if (strncmp(line,"/dev/",5) == 0) { - struct dev_name_struct *dev = root_dev_names; - line += 5; - do { - int len = strlen(dev->name); - if (strncmp(line,dev->name,len) == 0) { - line += len; - base = dev->num; - break; - } - dev++; - } while (dev->name); - } - return to_kdev_t(base + simple_strtoul(line,NULL,base?10:16)); -} - -static int __init root_dev_setup(char *line) -{ - int i; - char ch; - - ROOT_DEV = name_to_kdev_t(line); - memset (root_device_name, 0, sizeof root_device_name); - if (strncmp (line, "/dev/", 5) == 0) line += 5; - for (i = 0; i < sizeof root_device_name - 1; ++i) - { - ch = line[i]; - if ( isspace (ch) || (ch == ',') || (ch == '\0') ) break; - root_device_name[i] = ch; - } - return 1; -} - -__setup("root=", root_dev_setup); - -static int __init checksetup(char *line) -{ - struct kernel_param *p; - - p = &__setup_start; - do { - int n = strlen(p->str); - if (!strncmp(line,p->str,n)) { - if (p->setup_func(line+n)) - return 1; - } - p++; - } while (p < &__setup_end); - return 0; -} - -/* this should be approx 2 Bo*oMips to start (note initial shift), and will - still work even if initially too large, it will just take slightly longer */ -unsigned long loops_per_jiffy = (1<<12); - -/* This is the number of bits of precision for the loops_per_jiffy. Each - bit takes on average 1.5/HZ seconds. This (like the original) is a little - better than 1% */ -#define LPS_PREC 8 - -void __init calibrate_delay(void) -{ - unsigned long ticks, loopbit; - int lps_precision = LPS_PREC; - - loops_per_jiffy = (1<<12); - - printk("Calibrating delay loop... "); - while (loops_per_jiffy <<= 1) { - /* wait for "start of" clock tick */ - ticks = jiffies; - while (ticks == jiffies) - /* nothing */; - /* Go .. */ - ticks = jiffies; - __delay(loops_per_jiffy); - ticks = jiffies - ticks; - if (ticks) - break; - } - -/* Do a binary approximation to get loops_per_jiffy set to equal one clock - (up to lps_precision bits) */ - loops_per_jiffy >>= 1; - loopbit = loops_per_jiffy; - while ( lps_precision-- && (loopbit >>= 1) ) { - loops_per_jiffy |= loopbit; - ticks = jiffies; - while (ticks == jiffies); - ticks = jiffies; - __delay(loops_per_jiffy); - if (jiffies != ticks) /* longer than 1 tick */ - loops_per_jiffy &= ~loopbit; - } - -/* Round the value and print it */ - printk("%lu.%02lu BogoMIPS\n", - loops_per_jiffy/(500000/HZ), - (loops_per_jiffy/(5000/HZ)) % 100); -} - -static int __init readonly(char *str) -{ - if (*str) - return 0; - root_mountflags |= MS_RDONLY; - return 1; -} - -static int __init readwrite(char *str) -{ - if (*str) - return 0; - root_mountflags &= ~MS_RDONLY; - return 1; -} - -static int __init debug_kernel(char *str) -{ - if (*str) - return 0; - console_loglevel = 10; - return 1; -} - -static int __init quiet_kernel(char *str) -{ - if (*str) - return 0; - console_loglevel = 4; - return 1; -} - -__setup("ro", readonly); -__setup("rw", readwrite); -__setup("debug", debug_kernel); -__setup("quiet", quiet_kernel); - -/* - * This is a simple kernel command line parsing function: it parses - * the command line, and fills in the arguments/environment to init - * as appropriate. Any cmd-line option is taken to be an environment - * variable if it contains the character '='. - * - * This routine also checks for options meant for the kernel. - * These options are not given to init - they are for internal kernel use only. - */ -static void __init parse_options(char *line) -{ - char *next,*quote; - int args, envs; - - if (!*line) - return; - args = 0; - envs = 1; /* TERM is set to 'linux' by default */ - next = line; - while ((line = next) != NULL) { - quote = strchr(line,'"'); - next = strchr(line, ' '); - while (next != NULL && quote != NULL && quote < next) { - /* we found a left quote before the next blank - * now we have to find the matching right quote - */ - next = strchr(quote+1, '"'); - if (next != NULL) { - quote = strchr(next+1, '"'); - next = strchr(next+1, ' '); - } - } - if (next != NULL) - *next++ = 0; -#if defined(CONFIG_KDB) - /* kdb, kdb=on, kdb=off, kdb=early */ - if (strncmp(line, "kdb", 3) == 0) { - if (line[3] == '\0') { - /* Backward compatibility, kdb with no option means early activation */ - printk("Boot flag kdb with no options is obsolete, use kdb=early\n"); - kdb_on = 1; - kdb_flags |= KDB_FLAG_EARLYKDB; - continue; - } - if (line[3] == '=') { - if (strcmp(line+4, "on") == 0) { - kdb_on = 1; - continue; - } - if (strcmp(line+4, "off") == 0) { - kdb_on = 0; - continue; - } - if (strcmp(line+4, "early") == 0) { - kdb_on = 1; - kdb_flags |= KDB_FLAG_EARLYKDB; - continue; - } - printk("Boot flag %s not recognised, assumed to be environment variable\n", line); - } - } -#endif - if (!strncmp(line,"init=",5)) { - line += 5; - execute_command = line; - /* In case LILO is going to boot us with default command line, - * it prepends "auto" before the whole cmdline which makes - * the shell think it should execute a script with such name. - * So we ignore all arguments entered _before_ init=... [MJ] - */ - args = 0; - continue; - } - if (checksetup(line)) - continue; - - /* - * Then check if it's an environment variable or - * an option. - */ - if (strchr(line,'=')) { - if (envs >= MAX_INIT_ENVS) - break; - envp_init[++envs] = line; - } else { - if (args >= MAX_INIT_ARGS) - break; - if (*line) - argv_init[++args] = line; - } - } - argv_init[args+1] = NULL; - envp_init[envs+1] = NULL; -} - - -extern void setup_arch(char **); -extern void cpu_idle(void); - -unsigned long wait_init_idle; - -#ifndef CONFIG_SMP - -#ifdef CONFIG_X86_LOCAL_APIC -static void __init smp_init(void) -{ - APIC_init_uniprocessor(); -} -#else -#define smp_init() do { } while (0) -#endif - -#else - - -/* Called by boot processor to activate the rest. */ -static void __init smp_init(void) -{ - /* Get other processors into their bootup holding patterns. */ - smp_boot_cpus(); - wait_init_idle = cpu_online_map; - clear_bit(current->processor, &wait_init_idle); /* Don't wait on me! */ - - smp_threads_ready=1; - smp_commence(); - - /* Wait for the other cpus to set up their idle processes */ - printk("Waiting on wait_init_idle (map = 0x%lx)\n", wait_init_idle); - while (wait_init_idle) { - cpu_relax(); - barrier(); - } - printk("All processors have done init_idle\n"); -} - -#endif - -/* - * We need to finalize in a non-__init function or else race conditions - * between the root thread and the init thread may cause start_kernel to - * be reaped by free_initmem before the root thread has proceeded to - * cpu_idle. - */ - -static void rest_init(void) -{ - kernel_thread(init, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGNAL); - unlock_kernel(); - current->need_resched = 1; - cpu_idle(); -} - -/* - * Activate the first processor. - */ - -asmlinkage void __init start_kernel(void) -{ - char * command_line; - unsigned long mempages; - extern char saved_command_line[]; -/* - * Interrupts are still disabled. Do necessary setups, then - * enable them - */ - lock_kernel(); - printk(linux_banner); - setup_arch(&command_line); - printk("Kernel command line: %s\n", saved_command_line); - parse_options(command_line); - trap_init(); - init_IRQ(); - sched_init(); - softirq_init(); - time_init(); - - /* - * HACK ALERT! This is early. We're enabling the console before - * we've done PCI setups etc, and console_init() must be aware of - * this. But we do want output early, in case something goes wrong. - */ - console_init(); -#ifdef CONFIG_MODULES - init_modules(); -#endif - if (prof_shift) { - unsigned int size; - /* only text is profiled */ - prof_len = (unsigned long) &_etext - (unsigned long) &_stext; - prof_len >>= prof_shift; - - size = prof_len * sizeof(unsigned int) + PAGE_SIZE-1; - prof_buffer = (unsigned int *) alloc_bootmem(size); - } - - kmem_cache_init(); - sti(); - calibrate_delay(); -#ifdef CONFIG_BLK_DEV_INITRD - if (initrd_start && !initrd_below_start_ok && - initrd_start < min_low_pfn << PAGE_SHIFT) { - printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - " - "disabling it.\n",initrd_start,min_low_pfn << PAGE_SHIFT); - initrd_start = 0; - } -#endif - mem_init(); - kmem_cache_sizes_init(); -#if defined(CONFIG_KDB) - kdb_init(); - if (KDB_FLAG(EARLYKDB)) { - KDB_ENTER(); - } -#endif - mempages = num_physpages; - - fork_init(mempages); - proc_caches_init(); - vfs_caches_init(mempages); - buffer_init(mempages); - page_cache_init(mempages); -#if defined(CONFIG_ARCH_S390) - ccwcache_init(); -#endif - signals_init(); -#ifdef CONFIG_PROC_FS - proc_root_init(); -#endif -#if defined(CONFIG_SYSVIPC) - ipc_init(); -#endif - check_bugs(); - printk("POSIX conformance testing by UNIFIX\n"); - - /* - * We count on the initial thread going ok - * Like idlers init is an unlocked kernel thread, which will - * make syscalls (and thus be locked). - */ - smp_init(); - rest_init(); -} - -#ifdef CONFIG_BLK_DEV_INITRD -static int do_linuxrc(void * shell) -{ - static char *argv[] = { "linuxrc", NULL, }; - - close(0);close(1);close(2); - setsid(); - (void) open("/dev/console",O_RDWR,0); - (void) dup(0); - (void) dup(0); - return execve(shell, argv, envp_init); -} - -#endif - -struct task_struct *child_reaper = &init_task; - -static void __init do_initcalls(void) -{ - initcall_t *call; - - call = &__initcall_start; - do { - (*call)(); - call++; - } while (call < &__initcall_end); - - /* Make sure there is no pending stuff from the initcall sequence */ - flush_scheduled_tasks(); -} - -/* - * Ok, the machine is now initialized. None of the devices - * have been touched yet, but the CPU subsystem is up and - * running, and memory and process management works. - * - * Now we can finally start doing some real work.. - */ -static void __init do_basic_setup(void) -{ - - /* - * Tell the world that we're going to be the grim - * reaper of innocent orphaned children. - * - * We don't want people to have to make incorrect - * assumptions about where in the task array this - * can be found. - */ - child_reaper = current; - -#if defined(CONFIG_MTRR) /* Do this after SMP initialization */ -/* - * We should probably create some architecture-dependent "fixup after - * everything is up" style function where this would belong better - * than in init/main.c.. - */ - mtrr_init(); -#endif - -#ifdef CONFIG_SYSCTL - sysctl_init(); -#endif - - /* - * Ok, at this point all CPU's should be initialized, so - * we can start looking into devices.. - */ -#if defined(CONFIG_ARCH_S390) - s390_init_machine_check(); -#endif - -#ifdef CONFIG_PCI - pci_init(); -#endif -#ifdef CONFIG_SBUS - sbus_init(); -#endif -#if defined(CONFIG_PPC) - ppc_init(); -#endif -#ifdef CONFIG_MCA - mca_init(); -#endif -#ifdef CONFIG_ARCH_ACORN - ecard_init(); -#endif -#ifdef CONFIG_ZORRO - zorro_init(); -#endif -#ifdef CONFIG_DIO - dio_init(); -#endif -#ifdef CONFIG_NUBUS - nubus_init(); -#endif -#ifdef CONFIG_ISAPNP - isapnp_init(); -#endif -#ifdef CONFIG_TC - tc_init(); -#endif - - /* Networking initialization needs a process context */ - sock_init(); - - start_context_thread(); - do_initcalls(); - -#ifdef CONFIG_IRDA - irda_proto_init(); - irda_device_init(); /* Must be done after protocol initialization */ -#endif -#ifdef CONFIG_PCMCIA - init_pcmcia_ds(); /* Do this last */ -#endif -} - -extern void rd_load(void); -extern void initrd_load(void); - -/* - * Prepare the namespace - decide what/where to mount, load ramdisks, etc. - */ -static void prepare_namespace(void) -{ -#ifdef CONFIG_BLK_DEV_INITRD - int real_root_mountflags = root_mountflags; - if (!initrd_start) - mount_initrd = 0; - if (mount_initrd) - root_mountflags &= ~MS_RDONLY; - real_root_dev = ROOT_DEV; -#endif - -#ifdef CONFIG_BLK_DEV_RAM -#ifdef CONFIG_BLK_DEV_INITRD - if (mount_initrd) - initrd_load(); - else -#endif - rd_load(); -#endif - - /* Mount the root filesystem.. */ - mount_root(); - - mount_devfs_fs (); - -#ifdef CONFIG_BLK_DEV_INITRD - root_mountflags = real_root_mountflags; - if (mount_initrd && ROOT_DEV != real_root_dev - && MAJOR(ROOT_DEV) == RAMDISK_MAJOR && MINOR(ROOT_DEV) == 0) { - int error; - int i, pid; - - pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD); - if (pid > 0) { - while (pid != wait(&i)) { - current->policy |= SCHED_YIELD; - schedule(); - } - } - if (MAJOR(real_root_dev) != RAMDISK_MAJOR - || MINOR(real_root_dev) != 0) { - error = change_root(real_root_dev,"/initrd"); - if (error) - printk(KERN_ERR "Change root to /initrd: " - "error %d\n",error); - } - } -#endif -} - -static int init(void * unused) -{ - lock_kernel(); - do_basic_setup(); - - prepare_namespace(); - - /* - * Ok, we have completed the initial bootup, and - * we're essentially up and running. Get rid of the - * initmem segments and start the user-mode stuff.. - */ - free_initmem(); - unlock_kernel(); - - if (open("/dev/console", O_RDWR, 0) < 0) - printk("Warning: unable to open an initial console.\n"); - - (void) dup(0); - (void) dup(0); - - /* - * We try each of these until one succeeds. - * - * The Bourne shell can be used instead of init if we are - * trying to recover a really broken machine. - */ - - if (execute_command) - execve(execute_command,argv_init,envp_init); - execve("/sbin/init",argv_init,envp_init); - execve("/etc/init",argv_init,envp_init); - execve("/bin/init",argv_init,envp_init); - execve("/bin/sh",argv_init,envp_init); - panic("No init found. Try passing init= option to kernel."); -} diff --git a/old/xenolinux-2.4.16-sparse/kernel/panic.c b/old/xenolinux-2.4.16-sparse/kernel/panic.c deleted file mode 100644 index 8a7237f979..0000000000 --- a/old/xenolinux-2.4.16-sparse/kernel/panic.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * linux/kernel/panic.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -/* - * This function is used through-out the kernel (including mm and fs) - * to indicate a major problem. - */ -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/notifier.h> -#include <linux/init.h> -#include <linux/sysrq.h> -#include <linux/interrupt.h> - -asmlinkage void sys_sync(void); /* it's really int */ - -int panic_timeout; - -struct notifier_block *panic_notifier_list; - -static int __init panic_setup(char *str) -{ - panic_timeout = simple_strtoul(str, NULL, 0); - return 1; -} - -__setup("panic=", panic_setup); - -/** - * panic - halt the system - * @fmt: The text string to print - * - * Display a message, then perform cleanups. Functions in the panic - * notifier list are called after the filesystem cache is flushed (when possible). - * - * This function never returns. - */ - -NORET_TYPE void panic(const char * fmt, ...) -{ - static char buf[1024]; - va_list args; -#if defined(CONFIG_ARCH_S390) - unsigned long caller = (unsigned long) __builtin_return_address(0); -#endif - - bust_spinlocks(1); - va_start(args, fmt); - vsprintf(buf, fmt, args); - va_end(args); - printk(KERN_EMERG "Kernel panic: %s\n",buf); - if (in_interrupt()) - printk(KERN_EMERG "In interrupt handler - not syncing\n"); - else if (!current->pid) - printk(KERN_EMERG "In idle task - not syncing\n"); - else - sys_sync(); - bust_spinlocks(0); - -#ifdef CONFIG_SMP - smp_send_stop(); -#endif - - notifier_call_chain(&panic_notifier_list, 0, NULL); - - if (panic_timeout > 0) - { - /* - * Delay timeout seconds before rebooting the machine. - * We can't use the "normal" timers since we just panicked.. - */ - printk(KERN_EMERG "Rebooting in %d seconds..",panic_timeout); - mdelay(panic_timeout*1000); - /* - * Should we run the reboot notifier. For the moment Im - * choosing not too. It might crash, be corrupt or do - * more harm than good for other reasons. - */ - machine_restart(NULL); - } -#ifdef __sparc__ - { - extern int stop_a_enabled; - /* Make sure the user can actually press L1-A */ - stop_a_enabled = 1; - printk("Press L1-A to return to the boot prom\n"); - } -#endif -#if defined(CONFIG_ARCH_S390) - disabled_wait(caller); -#endif - sti(); - for(;;) { - CHECK_EMERGENCY_SYNC -#if defined(CONFIG_XENO) - HYPERVISOR_exit(); -#endif - } -} - -/** - * print_tainted - return a string to represent the kernel taint state. - * - * The string is overwritten by the next call to print_taint(). - */ - -const char *print_tainted() -{ - static char buf[20]; - if (tainted) { - snprintf(buf, sizeof(buf), "Tainted: %c%c", - tainted & 1 ? 'P' : 'G', - tainted & 2 ? 'F' : ' '); - } - else - snprintf(buf, sizeof(buf), "Not tainted"); - return(buf); -} - -int tainted = 0; diff --git a/old/xenolinux-2.4.16-sparse/mk b/old/xenolinux-2.4.16-sparse/mk deleted file mode 100755 index 70cb988379..0000000000 --- a/old/xenolinux-2.4.16-sparse/mk +++ /dev/null @@ -1,6 +0,0 @@ -export INSTALL_MOD_PATH=/local/scratch/kaf24/xeno/linux-install -ARCH=xeno make -j 4 bzImage -ARCH=xeno make -j 4 modules -ARCH=xeno INSTALL_MOD_PATH=/anfs/nta3/xeno-roots/kaf24/root0 really make modules_install -ARCH=xeno INSTALL_MOD_PATH=/anfs/nta3/xeno-roots/kaf24/root1 really make modules_install -cp arch/xeno/boot/image.gz /usr/groups/pegasus/boot/kaf24/meteors/vmlinux.gz diff --git a/old/xenolinux-2.4.16-sparse/mm/memory.c b/old/xenolinux-2.4.16-sparse/mm/memory.c deleted file mode 100644 index 58eb472e2d..0000000000 --- a/old/xenolinux-2.4.16-sparse/mm/memory.c +++ /dev/null @@ -1,1442 +0,0 @@ -/* - * linux/mm/memory.c - * - * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds - */ - -/* - * demand-loading started 01.12.91 - seems it is high on the list of - * things wanted, and it should be easy to implement. - Linus - */ - -/* - * Ok, demand-loading was easy, shared pages a little bit tricker. Shared - * pages started 02.12.91, seems to work. - Linus. - * - * Tested sharing by executing about 30 /bin/sh: under the old kernel it - * would have taken more than the 6M I have free, but it worked well as - * far as I could see. - * - * Also corrected some "invalidate()"s - I wasn't doing enough of them. - */ - -/* - * Real VM (paging to/from disk) started 18.12.91. Much more work and - * thought has to go into this. Oh, well.. - * 19.12.91 - works, somewhat. Sometimes I get faults, don't know why. - * Found it. Everything seems to work now. - * 20.12.91 - Ok, making the swap-device changeable like the root. - */ - -/* - * 05.04.94 - Multi-page memory management added for v1.1. - * Idea by Alex Bligh (alex@cconcepts.co.uk) - * - * 16.07.99 - Support of BIGMEM added by Gerhard Wichert, Siemens AG - * (Gerhard.Wichert@pdb.siemens.de) - */ - -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/swap.h> -#include <linux/smp_lock.h> -#include <linux/swapctl.h> -#include <linux/iobuf.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> - -#include <asm/pgalloc.h> -#include <asm/uaccess.h> -#include <asm/tlb.h> - -unsigned long max_mapnr; -unsigned long num_physpages; -void * high_memory; -struct page *highmem_start_page; - -/* - * We special-case the C-O-W ZERO_PAGE, because it's such - * a common occurrence (no need to read the page to know - * that it's zero - better for the cache and memory subsystem). - */ -static inline void copy_cow_page(struct page * from, struct page * to, unsigned long address) -{ - if (from == ZERO_PAGE(address)) { - clear_user_highpage(to, address); - return; - } - copy_user_highpage(to, from, address); -} - -mem_map_t * mem_map; - -/* - * Called by TLB shootdown - */ -void __free_pte(pte_t pte) -{ - struct page *page = pte_page(pte); - if ((!VALID_PAGE(page)) || PageReserved(page)) - return; - if (pte_dirty(pte)) - set_page_dirty(page); - free_page_and_swap_cache(page); -} - - -/* - * Note: this doesn't free the actual pages themselves. That - * has been handled earlier when unmapping all the memory regions. - */ -static inline void free_one_pmd(pmd_t * dir) -{ - pte_t * pte; - - if (pmd_none(*dir)) - return; - if (pmd_bad(*dir)) { - pmd_ERROR(*dir); - pmd_clear(dir); - return; - } - pte = pte_offset(dir, 0); - pmd_clear(dir); - pte_free(pte); -} - -static inline void free_one_pgd(pgd_t * dir) -{ - int j; - pmd_t * pmd; - - if (pgd_none(*dir)) - return; - if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); - return; - } - pmd = pmd_offset(dir, 0); - pgd_clear(dir); - for (j = 0; j < PTRS_PER_PMD ; j++) { - prefetchw(pmd+j+(PREFETCH_STRIDE/16)); - free_one_pmd(pmd+j); - } - pmd_free(pmd); -} - -/* Low and high watermarks for page table cache. - The system should try to have pgt_water[0] <= cache elements <= pgt_water[1] - */ -int pgt_cache_water[2] = { 25, 50 }; - -/* Returns the number of pages freed */ -int check_pgt_cache(void) -{ - return do_check_pgt_cache(pgt_cache_water[0], pgt_cache_water[1]); -} - - -/* - * This function clears all user-level page tables of a process - this - * is needed by execve(), so that old pages aren't in the way. - */ -void clear_page_tables(struct mm_struct *mm, unsigned long first, int nr) -{ - pgd_t * page_dir = mm->pgd; - - spin_lock(&mm->page_table_lock); - page_dir += first; - do { - free_one_pgd(page_dir); - page_dir++; - } while (--nr); - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - - /* keep the page table cache within bounds */ - check_pgt_cache(); -} - -#define PTE_TABLE_MASK ((PTRS_PER_PTE-1) * sizeof(pte_t)) -#define PMD_TABLE_MASK ((PTRS_PER_PMD-1) * sizeof(pmd_t)) - -/* - * copy one vm_area from one task to the other. Assumes the page tables - * already present in the new task to be cleared in the whole range - * covered by this vma. - * - * 08Jan98 Merged into one routine from several inline routines to reduce - * variable count and make things faster. -jj - * - * dst->page_table_lock is held on entry and exit, - * but may be dropped within pmd_alloc() and pte_alloc(). - */ -int copy_page_range(struct mm_struct *dst, struct mm_struct *src, - struct vm_area_struct *vma) -{ - pgd_t * src_pgd, * dst_pgd; - unsigned long address = vma->vm_start; - unsigned long end = vma->vm_end; - unsigned long cow = (vma->vm_flags & (VM_SHARED | VM_WRITE)) == VM_WRITE; - - src_pgd = pgd_offset(src, address)-1; - dst_pgd = pgd_offset(dst, address)-1; - - for (;;) { - pmd_t * src_pmd, * dst_pmd; - - src_pgd++; dst_pgd++; - - /* copy_pmd_range */ - - if (pgd_none(*src_pgd)) - goto skip_copy_pmd_range; - if (pgd_bad(*src_pgd)) { - pgd_ERROR(*src_pgd); - pgd_clear(src_pgd); -skip_copy_pmd_range: address = (address + PGDIR_SIZE) & PGDIR_MASK; - if (!address || (address >= end)) - goto out; - continue; - } - - src_pmd = pmd_offset(src_pgd, address); - dst_pmd = pmd_alloc(dst, dst_pgd, address); - if (!dst_pmd) - goto nomem; - - do { - pte_t * src_pte, * dst_pte; - - /* copy_pte_range */ - - if (pmd_none(*src_pmd)) - goto skip_copy_pte_range; - if (pmd_bad(*src_pmd)) { - pmd_ERROR(*src_pmd); - pmd_clear(src_pmd); -skip_copy_pte_range: address = (address + PMD_SIZE) & PMD_MASK; - if (address >= end) - goto out; - goto cont_copy_pmd_range; - } - - src_pte = pte_offset(src_pmd, address); - dst_pte = pte_alloc(dst, dst_pmd, address); - if (!dst_pte) - goto nomem; - - spin_lock(&src->page_table_lock); - do { - pte_t pte = *src_pte; - struct page *ptepage; - - /* copy_one_pte */ - - if (pte_none(pte)) - goto cont_copy_pte_range_noset; - if (!pte_present(pte)) { - swap_duplicate(pte_to_swp_entry(pte)); - goto cont_copy_pte_range; - } - ptepage = pte_page(pte); - if ((!VALID_PAGE(ptepage)) || - PageReserved(ptepage)) - goto cont_copy_pte_range; - - /* If it's a COW mapping, write protect it both in the parent and the child */ - if (cow) { - /* XENO modification: modified ordering here to avoid RaW hazard. */ - pte = *src_pte; - pte = pte_wrprotect(pte); - ptep_set_wrprotect(src_pte); - } - - /* If it's a shared mapping, mark it clean in the child */ - if (vma->vm_flags & VM_SHARED) - pte = pte_mkclean(pte); - pte = pte_mkold(pte); - get_page(ptepage); - dst->rss++; - -cont_copy_pte_range: set_pte(dst_pte, pte); -cont_copy_pte_range_noset: address += PAGE_SIZE; - if (address >= end) - goto out_unlock; - src_pte++; - dst_pte++; - } while ((unsigned long)src_pte & PTE_TABLE_MASK); - spin_unlock(&src->page_table_lock); - -cont_copy_pmd_range: src_pmd++; - dst_pmd++; - } while ((unsigned long)src_pmd & PMD_TABLE_MASK); - } -out_unlock: - spin_unlock(&src->page_table_lock); -out: - return 0; -nomem: - return -ENOMEM; -} - -/* - * Return indicates whether a page was freed so caller can adjust rss - */ -static inline void forget_pte(pte_t page) -{ - if (!pte_none(page)) { - printk("forget_pte: old mapping existed!\n"); - BUG(); - } -} - -static inline int zap_pte_range(mmu_gather_t *tlb, pmd_t * pmd, unsigned long address, unsigned long size) -{ - unsigned long offset; - pte_t * ptep; - int freed = 0; - - if (pmd_none(*pmd)) - return 0; - if (pmd_bad(*pmd)) { - pmd_ERROR(*pmd); - pmd_clear(pmd); - return 0; - } - ptep = pte_offset(pmd, address); - offset = address & ~PMD_MASK; - if (offset + size > PMD_SIZE) - size = PMD_SIZE - offset; - size &= PAGE_MASK; - for (offset=0; offset < size; ptep++, offset += PAGE_SIZE) { - pte_t pte = *ptep; - if (pte_none(pte)) - continue; - if (pte_present(pte)) { - struct page *page = pte_page(pte); - if (VALID_PAGE(page) && !PageReserved(page)) - freed ++; - /* This will eventually call __free_pte on the pte. */ - tlb_remove_page(tlb, ptep, address + offset); - } else { - free_swap_and_cache(pte_to_swp_entry(pte)); - pte_clear(ptep); - } - } - - return freed; -} - -static inline int zap_pmd_range(mmu_gather_t *tlb, pgd_t * dir, unsigned long address, unsigned long size) -{ - pmd_t * pmd; - unsigned long end; - int freed; - - if (pgd_none(*dir)) - return 0; - if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); - return 0; - } - pmd = pmd_offset(dir, address); - end = address + size; - if (end > ((address + PGDIR_SIZE) & PGDIR_MASK)) - end = ((address + PGDIR_SIZE) & PGDIR_MASK); - freed = 0; - do { - freed += zap_pte_range(tlb, pmd, address, end - address); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return freed; -} - -/* - * remove user pages in a given range. - */ -void zap_page_range(struct mm_struct *mm, unsigned long address, unsigned long size) -{ - mmu_gather_t *tlb; - pgd_t * dir; - unsigned long start = address, end = address + size; - int freed = 0; - - dir = pgd_offset(mm, address); - - /* - * This is a long-lived spinlock. That's fine. - * There's no contention, because the page table - * lock only protects against kswapd anyway, and - * even if kswapd happened to be looking at this - * process we _want_ it to get stuck. - */ - if (address >= end) - BUG(); - spin_lock(&mm->page_table_lock); - flush_cache_range(mm, address, end); - tlb = tlb_gather_mmu(mm); - - do { - freed += zap_pmd_range(tlb, dir, address, end - address); - address = (address + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (address && (address < end)); - - /* this will flush any remaining tlb entries */ - tlb_finish_mmu(tlb, start, end); - - /* - * Update rss for the mm_struct (not necessarily current->mm) - * Notice that rss is an unsigned long. - */ - if (mm->rss > freed) - mm->rss -= freed; - else - mm->rss = 0; - spin_unlock(&mm->page_table_lock); -} - - -/* - * Do a quick page-table lookup for a single page. - */ -static struct page * follow_page(unsigned long address, int write) -{ - pgd_t *pgd; - pmd_t *pmd; - pte_t *ptep, pte; - - pgd = pgd_offset(current->mm, address); - if (pgd_none(*pgd) || pgd_bad(*pgd)) - goto out; - - pmd = pmd_offset(pgd, address); - if (pmd_none(*pmd) || pmd_bad(*pmd)) - goto out; - - ptep = pte_offset(pmd, address); - if (!ptep) - goto out; - - pte = *ptep; - if (pte_present(pte)) { - if (!write || - (pte_write(pte) && pte_dirty(pte))) - return pte_page(pte); - } - -out: - return 0; -} - -/* - * Given a physical address, is there a useful struct page pointing to - * it? This may become more complex in the future if we start dealing - * with IO-aperture pages in kiobufs. - */ - -static inline struct page * get_page_map(struct page *page) -{ - if (!VALID_PAGE(page)) - return 0; - return page; -} - -/* - * Force in an entire range of pages from the current process's user VA, - * and pin them in physical memory. - */ - -#define dprintk(x...) -int map_user_kiobuf(int rw, struct kiobuf *iobuf, unsigned long va, size_t len) -{ - unsigned long ptr, end; - int err; - struct mm_struct * mm; - struct vm_area_struct * vma = 0; - struct page * map; - int i; - int datain = (rw == READ); - - /* Make sure the iobuf is not already mapped somewhere. */ - if (iobuf->nr_pages) - return -EINVAL; - - mm = current->mm; - dprintk ("map_user_kiobuf: begin\n"); - - ptr = va & PAGE_MASK; - end = (va + len + PAGE_SIZE - 1) & PAGE_MASK; - err = expand_kiobuf(iobuf, (end - ptr) >> PAGE_SHIFT); - if (err) - return err; - - down_read(&mm->mmap_sem); - - err = -EFAULT; - iobuf->locked = 0; - iobuf->offset = va & ~PAGE_MASK; - iobuf->length = len; - - i = 0; - - /* - * First of all, try to fault in all of the necessary pages - */ - while (ptr < end) { - if (!vma || ptr >= vma->vm_end) { - vma = find_vma(current->mm, ptr); - if (!vma) - goto out_unlock; - if (vma->vm_start > ptr) { - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto out_unlock; - if (expand_stack(vma, ptr)) - goto out_unlock; - } - if (((datain) && (!(vma->vm_flags & VM_WRITE))) || - (!(vma->vm_flags & VM_READ))) { - err = -EACCES; - goto out_unlock; - } - } - spin_lock(&mm->page_table_lock); - while (!(map = follow_page(ptr, datain))) { - int ret; - - spin_unlock(&mm->page_table_lock); - ret = handle_mm_fault(current->mm, vma, ptr, datain); - if (ret <= 0) { - if (!ret) - goto out_unlock; - else { - err = -ENOMEM; - goto out_unlock; - } - } - spin_lock(&mm->page_table_lock); - } - map = get_page_map(map); - if (map) { - flush_dcache_page(map); - page_cache_get(map); - } else - printk (KERN_INFO "Mapped page missing [%d]\n", i); - spin_unlock(&mm->page_table_lock); - iobuf->maplist[i] = map; - iobuf->nr_pages = ++i; - - ptr += PAGE_SIZE; - } - - up_read(&mm->mmap_sem); - dprintk ("map_user_kiobuf: end OK\n"); - return 0; - - out_unlock: - up_read(&mm->mmap_sem); - unmap_kiobuf(iobuf); - dprintk ("map_user_kiobuf: end %d\n", err); - return err; -} - -/* - * Mark all of the pages in a kiobuf as dirty - * - * We need to be able to deal with short reads from disk: if an IO error - * occurs, the number of bytes read into memory may be less than the - * size of the kiobuf, so we have to stop marking pages dirty once the - * requested byte count has been reached. - */ - -void mark_dirty_kiobuf(struct kiobuf *iobuf, int bytes) -{ - int index, offset, remaining; - struct page *page; - - index = iobuf->offset >> PAGE_SHIFT; - offset = iobuf->offset & ~PAGE_MASK; - remaining = bytes; - if (remaining > iobuf->length) - remaining = iobuf->length; - - while (remaining > 0 && index < iobuf->nr_pages) { - page = iobuf->maplist[index]; - - if (!PageReserved(page)) - SetPageDirty(page); - - remaining -= (PAGE_SIZE - offset); - offset = 0; - index++; - } -} - -/* - * Unmap all of the pages referenced by a kiobuf. We release the pages, - * and unlock them if they were locked. - */ - -void unmap_kiobuf (struct kiobuf *iobuf) -{ - int i; - struct page *map; - - for (i = 0; i < iobuf->nr_pages; i++) { - map = iobuf->maplist[i]; - if (map) { - if (iobuf->locked) - UnlockPage(map); - page_cache_release(map); - } - } - - iobuf->nr_pages = 0; - iobuf->locked = 0; -} - - -/* - * Lock down all of the pages of a kiovec for IO. - * - * If any page is mapped twice in the kiovec, we return the error -EINVAL. - * - * The optional wait parameter causes the lock call to block until all - * pages can be locked if set. If wait==0, the lock operation is - * aborted if any locked pages are found and -EAGAIN is returned. - */ - -int lock_kiovec(int nr, struct kiobuf *iovec[], int wait) -{ - struct kiobuf *iobuf; - int i, j; - struct page *page, **ppage; - int doublepage = 0; - int repeat = 0; - - repeat: - - for (i = 0; i < nr; i++) { - iobuf = iovec[i]; - - if (iobuf->locked) - continue; - - ppage = iobuf->maplist; - for (j = 0; j < iobuf->nr_pages; ppage++, j++) { - page = *ppage; - if (!page) - continue; - - if (TryLockPage(page)) { - while (j--) { - struct page *tmp = *--ppage; - if (tmp) - UnlockPage(tmp); - } - goto retry; - } - } - iobuf->locked = 1; - } - - return 0; - - retry: - - /* - * We couldn't lock one of the pages. Undo the locking so far, - * wait on the page we got to, and try again. - */ - - unlock_kiovec(nr, iovec); - if (!wait) - return -EAGAIN; - - /* - * Did the release also unlock the page we got stuck on? - */ - if (!PageLocked(page)) { - /* - * If so, we may well have the page mapped twice - * in the IO address range. Bad news. Of - * course, it _might_ just be a coincidence, - * but if it happens more than once, chances - * are we have a double-mapped page. - */ - if (++doublepage >= 3) - return -EINVAL; - - /* Try again... */ - wait_on_page(page); - } - - if (++repeat < 16) - goto repeat; - return -EAGAIN; -} - -/* - * Unlock all of the pages of a kiovec after IO. - */ - -int unlock_kiovec(int nr, struct kiobuf *iovec[]) -{ - struct kiobuf *iobuf; - int i, j; - struct page *page, **ppage; - - for (i = 0; i < nr; i++) { - iobuf = iovec[i]; - - if (!iobuf->locked) - continue; - iobuf->locked = 0; - - ppage = iobuf->maplist; - for (j = 0; j < iobuf->nr_pages; ppage++, j++) { - page = *ppage; - if (!page) - continue; - UnlockPage(page); - } - } - return 0; -} - -static inline void zeromap_pte_range(pte_t * pte, unsigned long address, - unsigned long size, pgprot_t prot) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - pte_t zero_pte = pte_wrprotect(mk_pte(ZERO_PAGE(address), prot)); - pte_t oldpage = ptep_get_and_clear(pte); - set_pte(pte, zero_pte); - forget_pte(oldpage); - address += PAGE_SIZE; - pte++; - } while (address && (address < end)); -} - -static inline int zeromap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, - unsigned long size, pgprot_t prot) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - do { - pte_t * pte = pte_alloc(mm, pmd, address); - if (!pte) - return -ENOMEM; - zeromap_pte_range(pte, address, end - address, prot); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address && (address < end)); - return 0; -} - -int zeromap_page_range(unsigned long address, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = address; - unsigned long end = address + size; - struct mm_struct *mm = current->mm; - - dir = pgd_offset(mm, address); - flush_cache_range(mm, beg, end); - if (address >= end) - BUG(); - - spin_lock(&mm->page_table_lock); - do { - pmd_t *pmd = pmd_alloc(mm, dir, address); - error = -ENOMEM; - if (!pmd) - break; - error = zeromap_pmd_range(mm, pmd, address, end - address, prot); - if (error) - break; - address = (address + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (address && (address < end)); - spin_unlock(&mm->page_table_lock); - flush_tlb_range(mm, beg, end); - return error; -} - -/* - * maps a range of physical memory into the requested pages. the old - * mappings are removed. any references to nonexistent pages results - * in null mappings (currently treated as "copy-on-access") - */ -static inline void remap_pte_range(pte_t * pte, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t prot) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - struct page *page; - pte_t oldpage; - oldpage = ptep_get_and_clear(pte); - - page = virt_to_page(__va(phys_addr)); - if ((!VALID_PAGE(page)) || PageReserved(page)) - set_pte(pte, mk_pte_phys(phys_addr, prot)); - forget_pte(oldpage); - address += PAGE_SIZE; - phys_addr += PAGE_SIZE; - pte++; - } while (address && (address < end)); -} - -static inline int remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t prot) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - phys_addr -= address; - do { - pte_t * pte = pte_alloc(mm, pmd, address); - if (!pte) - return -ENOMEM; - remap_pte_range(pte, address, end - address, address + phys_addr, prot); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address && (address < end)); - return 0; -} - -/* Note: this is only safe if the mm semaphore is held when called. */ -int remap_page_range(unsigned long from, unsigned long phys_addr, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = current->mm; - - phys_addr -= from; - dir = pgd_offset(mm, from); - flush_cache_range(mm, beg, end); - if (from >= end) - BUG(); - - spin_lock(&mm->page_table_lock); - do { - pmd_t *pmd = pmd_alloc(mm, dir, from); - error = -ENOMEM; - if (!pmd) - break; - error = remap_pmd_range(mm, pmd, from, end - from, phys_addr + from, prot); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (from && (from < end)); - spin_unlock(&mm->page_table_lock); - flush_tlb_range(mm, beg, end); - return error; -} - -/* - * Establish a new mapping: - * - flush the old one - * - update the page tables - * - inform the TLB about the new one - * - * We hold the mm semaphore for reading and vma->vm_mm->page_table_lock - */ -static inline void establish_pte(struct vm_area_struct * vma, unsigned long address, pte_t *page_table, pte_t entry) -{ - set_pte(page_table, entry); - flush_tlb_page(vma, address); - update_mmu_cache(vma, address, entry); -} - -/* - * We hold the mm semaphore for reading and vma->vm_mm->page_table_lock - */ -static inline void break_cow(struct vm_area_struct * vma, struct page * new_page, unsigned long address, - pte_t *page_table) -{ - flush_page_to_ram(new_page); - flush_cache_page(vma, address); - establish_pte(vma, address, page_table, pte_mkwrite(pte_mkdirty(mk_pte(new_page, vma->vm_page_prot)))); -} - -/* - * This routine handles present pages, when users try to write - * to a shared page. It is done by copying the page to a new address - * and decrementing the shared-page counter for the old page. - * - * Goto-purists beware: the only reason for goto's here is that it results - * in better assembly code.. The "default" path will see no jumps at all. - * - * Note that this routine assumes that the protection checks have been - * done by the caller (the low-level page fault routine in most cases). - * Thus we can safely just mark it writable once we've done any necessary - * COW. - * - * We also mark the page dirty at this point even though the page will - * change only once the write actually happens. This avoids a few races, - * and potentially makes it more efficient. - * - * We hold the mm semaphore and the page_table_lock on entry and exit - * with the page_table_lock released. - */ -static int do_wp_page(struct mm_struct *mm, struct vm_area_struct * vma, - unsigned long address, pte_t *page_table, pte_t pte) -{ - struct page *old_page, *new_page; - - old_page = pte_page(pte); - if (!VALID_PAGE(old_page)) - goto bad_wp_page; - - if (!TryLockPage(old_page)) { - int reuse = can_share_swap_page(old_page); - unlock_page(old_page); - if (reuse) { - flush_cache_page(vma, address); - establish_pte(vma, address, page_table, pte_mkyoung(pte_mkdirty(pte_mkwrite(pte)))); - spin_unlock(&mm->page_table_lock); - return 1; /* Minor fault */ - } - } - - /* - * Ok, we need to copy. Oh, well.. - */ - page_cache_get(old_page); - spin_unlock(&mm->page_table_lock); - - new_page = alloc_page(GFP_HIGHUSER); - if (!new_page) - goto no_mem; - copy_cow_page(old_page,new_page,address); - - /* - * Re-check the pte - we dropped the lock - */ - spin_lock(&mm->page_table_lock); - if (pte_same(*page_table, pte)) { - if (PageReserved(old_page)) - ++mm->rss; - break_cow(vma, new_page, address, page_table); - lru_cache_add(new_page); - - /* Free the old page.. */ - new_page = old_page; - } - spin_unlock(&mm->page_table_lock); - page_cache_release(new_page); - page_cache_release(old_page); - return 1; /* Minor fault */ - -bad_wp_page: - spin_unlock(&mm->page_table_lock); - printk("do_wp_page: bogus page at address %08lx (page 0x%lx)\n",address,(unsigned long)old_page); - return -1; -no_mem: - page_cache_release(old_page); - return -1; -} - -static void vmtruncate_list(struct vm_area_struct *mpnt, unsigned long pgoff) -{ - do { - struct mm_struct *mm = mpnt->vm_mm; - unsigned long start = mpnt->vm_start; - unsigned long end = mpnt->vm_end; - unsigned long len = end - start; - unsigned long diff; - - /* mapping wholly truncated? */ - if (mpnt->vm_pgoff >= pgoff) { - zap_page_range(mm, start, len); - continue; - } - - /* mapping wholly unaffected? */ - len = len >> PAGE_SHIFT; - diff = pgoff - mpnt->vm_pgoff; - if (diff >= len) - continue; - - /* Ok, partially affected.. */ - start += diff << PAGE_SHIFT; - len = (len - diff) << PAGE_SHIFT; - zap_page_range(mm, start, len); - } while ((mpnt = mpnt->vm_next_share) != NULL); -} - -/* - * Handle all mappings that got truncated by a "truncate()" - * system call. - * - * NOTE! We have to be ready to update the memory sharing - * between the file and the memory map for a potential last - * incomplete page. Ugly, but necessary. - */ -int vmtruncate(struct inode * inode, loff_t offset) -{ - unsigned long pgoff; - struct address_space *mapping = inode->i_mapping; - unsigned long limit; - - if (inode->i_size < offset) - goto do_expand; - inode->i_size = offset; - spin_lock(&mapping->i_shared_lock); - if (!mapping->i_mmap && !mapping->i_mmap_shared) - goto out_unlock; - - pgoff = (offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - if (mapping->i_mmap != NULL) - vmtruncate_list(mapping->i_mmap, pgoff); - if (mapping->i_mmap_shared != NULL) - vmtruncate_list(mapping->i_mmap_shared, pgoff); - -out_unlock: - spin_unlock(&mapping->i_shared_lock); - truncate_inode_pages(mapping, offset); - goto out_truncate; - -do_expand: - limit = current->rlim[RLIMIT_FSIZE].rlim_cur; - if (limit != RLIM_INFINITY) { - if (inode->i_size >= limit) { - send_sig(SIGXFSZ, current, 0); - goto out; - } - if (offset > limit) { - send_sig(SIGXFSZ, current, 0); - offset = limit; - } - } - inode->i_size = offset; - -out_truncate: - if (inode->i_op && inode->i_op->truncate) { - lock_kernel(); - inode->i_op->truncate(inode); - unlock_kernel(); - } -out: - return 0; -} - -/* - * Primitive swap readahead code. We simply read an aligned block of - * (1 << page_cluster) entries in the swap area. This method is chosen - * because it doesn't cost us any seek time. We also make sure to queue - * the 'original' request together with the readahead ones... - */ -void swapin_readahead(swp_entry_t entry) -{ - int i, num; - struct page *new_page; - unsigned long offset; - - /* - * Get the number of handles we should do readahead io to. - */ - num = valid_swaphandles(entry, &offset); - for (i = 0; i < num; offset++, i++) { - /* Ok, do the async read-ahead now */ - new_page = read_swap_cache_async(SWP_ENTRY(SWP_TYPE(entry), offset)); - if (!new_page) - break; - page_cache_release(new_page); - } - return; -} - -/* - * We hold the mm semaphore and the page_table_lock on entry and - * should release the pagetable lock on exit.. - */ -static int do_swap_page(struct mm_struct * mm, - struct vm_area_struct * vma, unsigned long address, - pte_t * page_table, pte_t orig_pte, int write_access) -{ - struct page *page; - swp_entry_t entry = pte_to_swp_entry(orig_pte); - pte_t pte; - int ret = 1; - - spin_unlock(&mm->page_table_lock); - page = lookup_swap_cache(entry); - if (!page) { - swapin_readahead(entry); - page = read_swap_cache_async(entry); - if (!page) { - /* - * Back out if somebody else faulted in this pte while - * we released the page table lock. - */ - int retval; - spin_lock(&mm->page_table_lock); - retval = pte_same(*page_table, orig_pte) ? -1 : 1; - spin_unlock(&mm->page_table_lock); - return retval; - } - - /* Had to read the page from swap area: Major fault */ - ret = 2; - } - - lock_page(page); - - /* - * Back out if somebody else faulted in this pte while we - * released the page table lock. - */ - spin_lock(&mm->page_table_lock); - if (!pte_same(*page_table, orig_pte)) { - spin_unlock(&mm->page_table_lock); - unlock_page(page); - page_cache_release(page); - return 1; - } - - /* The page isn't present yet, go ahead with the fault. */ - - swap_free(entry); - if (vm_swap_full()) - remove_exclusive_swap_page(page); - - mm->rss++; - pte = mk_pte(page, vma->vm_page_prot); - if (write_access && can_share_swap_page(page)) - pte = pte_mkdirty(pte_mkwrite(pte)); - unlock_page(page); - - flush_page_to_ram(page); - flush_icache_page(vma, page); - set_pte(page_table, pte); - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, pte); - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - return ret; -} - -/* - * We are called with the MM semaphore and page_table_lock - * spinlock held to protect against concurrent faults in - * multithreaded programs. - */ -static int do_anonymous_page(struct mm_struct * mm, struct vm_area_struct * vma, pte_t *page_table, int write_access, unsigned long addr) -{ - pte_t entry; - - /* Read-only mapping of ZERO_PAGE. */ - entry = pte_wrprotect(mk_pte(ZERO_PAGE(addr), vma->vm_page_prot)); - - /* ..except if it's a write access */ - if (write_access) { - struct page *page; - - /* Allocate our own private page. */ - spin_unlock(&mm->page_table_lock); - - page = alloc_page(GFP_HIGHUSER); - if (!page) - goto no_mem; - clear_user_highpage(page, addr); - - spin_lock(&mm->page_table_lock); - if (!pte_none(*page_table)) { - page_cache_release(page); - spin_unlock(&mm->page_table_lock); - return 1; - } - mm->rss++; - flush_page_to_ram(page); - entry = pte_mkwrite(pte_mkdirty(mk_pte(page, vma->vm_page_prot))); - lru_cache_add(page); - } - - set_pte(page_table, entry); - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, addr, entry); - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - return 1; /* Minor fault */ - -no_mem: - return -1; -} - -/* - * do_no_page() tries to create a new page mapping. It aggressively - * tries to share with existing pages, but makes a separate copy if - * the "write_access" parameter is true in order to avoid the next - * page fault. - * - * As this is called only for pages that do not currently exist, we - * do not need to flush old virtual caches or the TLB. - * - * This is called with the MM semaphore held and the page table - * spinlock held. Exit with the spinlock released. - */ -static int do_no_page(struct mm_struct * mm, struct vm_area_struct * vma, - unsigned long address, int write_access, pte_t *page_table) -{ - struct page * new_page; - pte_t entry; - - if (!vma->vm_ops || !vma->vm_ops->nopage) - return do_anonymous_page(mm, vma, page_table, write_access, address); - spin_unlock(&mm->page_table_lock); - - new_page = vma->vm_ops->nopage(vma, address & PAGE_MASK, 0); - - if (new_page == NULL) /* no page was available -- SIGBUS */ - return 0; - if (new_page == NOPAGE_OOM) - return -1; - - /* - * Should we do an early C-O-W break? - */ - if (write_access && !(vma->vm_flags & VM_SHARED)) { - struct page * page = alloc_page(GFP_HIGHUSER); - if (!page) - return -1; - copy_highpage(page, new_page); - page_cache_release(new_page); - lru_cache_add(page); - new_page = page; - } - - spin_lock(&mm->page_table_lock); - /* - * This silly early PAGE_DIRTY setting removes a race - * due to the bad i386 page protection. But it's valid - * for other architectures too. - * - * Note that if write_access is true, we either now have - * an exclusive copy of the page, or this is a shared mapping, - * so we can make it writable and dirty to avoid having to - * handle that later. - */ - /* Only go through if we didn't race with anybody else... */ - if (pte_none(*page_table)) { - ++mm->rss; - flush_page_to_ram(new_page); - flush_icache_page(vma, new_page); - entry = mk_pte(new_page, vma->vm_page_prot); - if (write_access) - entry = pte_mkwrite(pte_mkdirty(entry)); - set_pte(page_table, entry); - } else { - /* One of our sibling threads was faster, back out. */ - page_cache_release(new_page); - spin_unlock(&mm->page_table_lock); - return 1; - } - - /* no need to invalidate: a not-present page shouldn't be cached */ - update_mmu_cache(vma, address, entry); - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - return 2; /* Major fault */ -} - -/* - * These routines also need to handle stuff like marking pages dirty - * and/or accessed for architectures that don't do it in hardware (most - * RISC architectures). The early dirtying is also good on the i386. - * - * There is also a hook called "update_mmu_cache()" that architectures - * with external mmu caches can use to update those (ie the Sparc or - * PowerPC hashed page tables that act as extended TLBs). - * - * Note the "page_table_lock". It is to protect against kswapd removing - * pages from under us. Note that kswapd only ever _removes_ pages, never - * adds them. As such, once we have noticed that the page is not present, - * we can drop the lock early. - * - * The adding of pages is protected by the MM semaphore (which we hold), - * so we don't need to worry about a page being suddenly been added into - * our VM. - * - * We enter with the pagetable spinlock held, we are supposed to - * release it when done. - */ -static inline int handle_pte_fault(struct mm_struct *mm, - struct vm_area_struct * vma, unsigned long address, - int write_access, pte_t * pte) -{ - pte_t entry; - - entry = *pte; - if (!pte_present(entry)) { - /* - * If it truly wasn't present, we know that kswapd - * and the PTE updates will not touch it later. So - * drop the lock. - */ - if (pte_none(entry)) - return do_no_page(mm, vma, address, write_access, pte); - return do_swap_page(mm, vma, address, pte, entry, write_access); - } - - if (write_access) { - if (!pte_write(entry)) - return do_wp_page(mm, vma, address, pte, entry); - - entry = pte_mkdirty(entry); - } - entry = pte_mkyoung(entry); - establish_pte(vma, address, pte, entry); - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - return 1; -} - -/* - * By the time we get here, we already hold the mm semaphore - */ -int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct * vma, - unsigned long address, int write_access) -{ - pgd_t *pgd; - pmd_t *pmd; - - current->state = TASK_RUNNING; - pgd = pgd_offset(mm, address); - - /* - * We need the page table lock to synchronize with kswapd - * and the SMP-safe atomic PTE updates. - */ - spin_lock(&mm->page_table_lock); - pmd = pmd_alloc(mm, pgd, address); - - if (pmd) { - pte_t * pte = pte_alloc(mm, pmd, address); - if (pte) - return handle_pte_fault(mm, vma, address, write_access, pte); - } - spin_unlock(&mm->page_table_lock); - return -1; -} - -/* - * Allocate page middle directory. - * - * We've already handled the fast-path in-line, and we own the - * page table lock. - * - * On a two-level page table, this ends up actually being entirely - * optimized away. - */ -pmd_t *__pmd_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address) -{ - pmd_t *new; - - /* "fast" allocation can happen without dropping the lock.. */ - new = pmd_alloc_one_fast(mm, address); - if (!new) { - spin_unlock(&mm->page_table_lock); - new = pmd_alloc_one(mm, address); - spin_lock(&mm->page_table_lock); - if (!new) - return NULL; - - /* - * Because we dropped the lock, we should re-check the - * entry, as somebody else could have populated it.. - */ - if (!pgd_none(*pgd)) { - pmd_free(new); - goto out; - } - } - pgd_populate(mm, pgd, new); -out: - return pmd_offset(pgd, address); -} - -/* - * Allocate the page table directory. - * - * We've already handled the fast-path in-line, and we own the - * page table lock. - */ -pte_t *pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address) -{ - if (pmd_none(*pmd)) { - pte_t *new; - - /* "fast" allocation can happen without dropping the lock.. */ - new = pte_alloc_one_fast(mm, address); - if (!new) { - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - new = pte_alloc_one(mm, address); - spin_lock(&mm->page_table_lock); - if (!new) - return NULL; - - /* - * Because we dropped the lock, we should re-check the - * entry, as somebody else could have populated it.. - */ - if (!pmd_none(*pmd)) { - pte_free(new); - goto out; - } - } - pmd_populate(mm, pmd, new); - } -out: - return pte_offset(pmd, address); -} - -/* - * Simplistic page force-in.. - */ -int make_pages_present(unsigned long addr, unsigned long end) -{ - int write; - struct mm_struct *mm = current->mm; - struct vm_area_struct * vma; - - vma = find_vma(mm, addr); - write = (vma->vm_flags & VM_WRITE) != 0; - if (addr >= end) - BUG(); - do { - if (handle_mm_fault(mm, vma, addr, write) < 0) - return -1; - addr += PAGE_SIZE; - } while (addr < end); - return 0; -} diff --git a/old/xenolinux-2.4.16-sparse/mm/mremap.c b/old/xenolinux-2.4.16-sparse/mm/mremap.c deleted file mode 100644 index a2e0d860dd..0000000000 --- a/old/xenolinux-2.4.16-sparse/mm/mremap.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * linux/mm/remap.c - * - * (C) Copyright 1996 Linus Torvalds - */ - -#include <linux/slab.h> -#include <linux/smp_lock.h> -#include <linux/shm.h> -#include <linux/mman.h> -#include <linux/swap.h> - -#include <asm/uaccess.h> -#include <asm/pgalloc.h> - -extern int vm_enough_memory(long pages); - -static inline pte_t *get_one_pte(struct mm_struct *mm, unsigned long addr) -{ - pgd_t * pgd; - pmd_t * pmd; - pte_t * pte = NULL; - - pgd = pgd_offset(mm, addr); - if (pgd_none(*pgd)) - goto end; - if (pgd_bad(*pgd)) { - pgd_ERROR(*pgd); - pgd_clear(pgd); - goto end; - } - - pmd = pmd_offset(pgd, addr); - if (pmd_none(*pmd)) - goto end; - if (pmd_bad(*pmd)) { - pmd_ERROR(*pmd); - pmd_clear(pmd); - goto end; - } - - pte = pte_offset(pmd, addr); - if (pte_none(*pte)) - pte = NULL; -end: - return pte; -} - -static inline pte_t *alloc_one_pte(struct mm_struct *mm, unsigned long addr) -{ - pmd_t * pmd; - pte_t * pte = NULL; - - pmd = pmd_alloc(mm, pgd_offset(mm, addr), addr); - if (pmd) - pte = pte_alloc(mm, pmd, addr); - return pte; -} - -static inline int copy_one_pte(struct mm_struct *mm, pte_t * src, pte_t * dst) -{ - int error = 0; - pte_t pte; - - if (!pte_none(*src)) { - pte = ptep_get_and_clear(src); - if (!dst) { - /* No dest? We must put it back. */ - dst = src; - error++; - } - set_pte(dst, pte); - } - return error; -} - -static int move_one_page(struct mm_struct *mm, unsigned long old_addr, unsigned long new_addr) -{ - int error = 0; - pte_t * src; - - spin_lock(&mm->page_table_lock); - src = get_one_pte(mm, old_addr); - if (src) - error = copy_one_pte(mm, src, alloc_one_pte(mm, new_addr)); - spin_unlock(&mm->page_table_lock); - return error; -} - -static int move_page_tables(struct mm_struct * mm, - unsigned long new_addr, unsigned long old_addr, unsigned long len) -{ - unsigned long offset = len; - - flush_cache_range(mm, old_addr, old_addr + len); - - /* - * This is not the clever way to do this, but we're taking the - * easy way out on the assumption that most remappings will be - * only a few pages.. This also makes error recovery easier. - */ - while (offset) { - offset -= PAGE_SIZE; - if (move_one_page(mm, old_addr + offset, new_addr + offset)) - goto oops_we_failed; - } - flush_tlb_range(mm, old_addr, old_addr + len); - return 0; - - /* - * Ok, the move failed because we didn't have enough pages for - * the new page table tree. This is unlikely, but we have to - * take the possibility into account. In that case we just move - * all the pages back (this will work, because we still have - * the old page tables) - */ -oops_we_failed: - XENO_flush_page_update_queue(); - flush_cache_range(mm, new_addr, new_addr + len); - while ((offset += PAGE_SIZE) < len) - move_one_page(mm, new_addr + offset, old_addr + offset); - XENO_flush_page_update_queue(); - zap_page_range(mm, new_addr, len); - return -1; -} - -static inline unsigned long move_vma(struct vm_area_struct * vma, - unsigned long addr, unsigned long old_len, unsigned long new_len, - unsigned long new_addr) -{ - struct mm_struct * mm = vma->vm_mm; - struct vm_area_struct * new_vma, * next, * prev; - int allocated_vma; - - new_vma = NULL; - next = find_vma_prev(mm, new_addr, &prev); - if (next) { - if (prev && prev->vm_end == new_addr && - can_vma_merge(prev, vma->vm_flags) && !vma->vm_file && !(vma->vm_flags & VM_SHARED)) { - spin_lock(&mm->page_table_lock); - prev->vm_end = new_addr + new_len; - spin_unlock(&mm->page_table_lock); - new_vma = prev; - if (next != prev->vm_next) - BUG(); - if (prev->vm_end == next->vm_start && can_vma_merge(next, prev->vm_flags)) { - spin_lock(&mm->page_table_lock); - prev->vm_end = next->vm_end; - __vma_unlink(mm, next, prev); - spin_unlock(&mm->page_table_lock); - - mm->map_count--; - kmem_cache_free(vm_area_cachep, next); - } - } else if (next->vm_start == new_addr + new_len && - can_vma_merge(next, vma->vm_flags) && !vma->vm_file && !(vma->vm_flags & VM_SHARED)) { - spin_lock(&mm->page_table_lock); - next->vm_start = new_addr; - spin_unlock(&mm->page_table_lock); - new_vma = next; - } - } else { - prev = find_vma(mm, new_addr-1); - if (prev && prev->vm_end == new_addr && - can_vma_merge(prev, vma->vm_flags) && !vma->vm_file && !(vma->vm_flags & VM_SHARED)) { - spin_lock(&mm->page_table_lock); - prev->vm_end = new_addr + new_len; - spin_unlock(&mm->page_table_lock); - new_vma = prev; - } - } - - allocated_vma = 0; - if (!new_vma) { - new_vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL); - if (!new_vma) - goto out; - allocated_vma = 1; - } - - if (!move_page_tables(current->mm, new_addr, addr, old_len)) { - if (allocated_vma) { - *new_vma = *vma; - new_vma->vm_start = new_addr; - new_vma->vm_end = new_addr+new_len; - new_vma->vm_pgoff += (addr - vma->vm_start) >> PAGE_SHIFT; - new_vma->vm_raend = 0; - if (new_vma->vm_file) - get_file(new_vma->vm_file); - if (new_vma->vm_ops && new_vma->vm_ops->open) - new_vma->vm_ops->open(new_vma); - insert_vm_struct(current->mm, new_vma); - } - do_munmap(current->mm, addr, old_len); - current->mm->total_vm += new_len >> PAGE_SHIFT; - if (new_vma->vm_flags & VM_LOCKED) { - current->mm->locked_vm += new_len >> PAGE_SHIFT; - make_pages_present(new_vma->vm_start, - new_vma->vm_end); - } - return new_addr; - } - if (allocated_vma) - kmem_cache_free(vm_area_cachep, new_vma); - out: - return -ENOMEM; -} - -/* - * Expand (or shrink) an existing mapping, potentially moving it at the - * same time (controlled by the MREMAP_MAYMOVE flag and available VM space) - * - * MREMAP_FIXED option added 5-Dec-1999 by Benjamin LaHaise - * This option implies MREMAP_MAYMOVE. - */ -unsigned long do_mremap(unsigned long addr, - unsigned long old_len, unsigned long new_len, - unsigned long flags, unsigned long new_addr) -{ - struct vm_area_struct *vma; - unsigned long ret = -EINVAL; - - if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE)) - goto out; - - if (addr & ~PAGE_MASK) - goto out; - - old_len = PAGE_ALIGN(old_len); - new_len = PAGE_ALIGN(new_len); - - /* new_addr is only valid if MREMAP_FIXED is specified */ - if (flags & MREMAP_FIXED) { - if (new_addr & ~PAGE_MASK) - goto out; - if (!(flags & MREMAP_MAYMOVE)) - goto out; - - if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len) - goto out; - - /* Check if the location we're moving into overlaps the - * old location at all, and fail if it does. - */ - if ((new_addr <= addr) && (new_addr+new_len) > addr) - goto out; - - if ((addr <= new_addr) && (addr+old_len) > new_addr) - goto out; - - do_munmap(current->mm, new_addr, new_len); - } - - /* - * Always allow a shrinking remap: that just unmaps - * the unnecessary pages.. - */ - ret = addr; - if (old_len >= new_len) { - do_munmap(current->mm, addr+new_len, old_len - new_len); - if (!(flags & MREMAP_FIXED) || (new_addr == addr)) - goto out; - } - - /* - * Ok, we need to grow.. or relocate. - */ - ret = -EFAULT; - vma = find_vma(current->mm, addr); - if (!vma || vma->vm_start > addr) - goto out; - /* We can't remap across vm area boundaries */ - if (old_len > vma->vm_end - addr) - goto out; - if (vma->vm_flags & VM_DONTEXPAND) { - if (new_len > old_len) - goto out; - } - if (vma->vm_flags & VM_LOCKED) { - unsigned long locked = current->mm->locked_vm << PAGE_SHIFT; - locked += new_len - old_len; - ret = -EAGAIN; - if (locked > current->rlim[RLIMIT_MEMLOCK].rlim_cur) - goto out; - } - ret = -ENOMEM; - if ((current->mm->total_vm << PAGE_SHIFT) + (new_len - old_len) - > current->rlim[RLIMIT_AS].rlim_cur) - goto out; - /* Private writable mapping? Check memory availability.. */ - if ((vma->vm_flags & (VM_SHARED | VM_WRITE)) == VM_WRITE && - !(flags & MAP_NORESERVE) && - !vm_enough_memory((new_len - old_len) >> PAGE_SHIFT)) - goto out; - - /* old_len exactly to the end of the area.. - * And we're not relocating the area. - */ - if (old_len == vma->vm_end - addr && - !((flags & MREMAP_FIXED) && (addr != new_addr)) && - (old_len != new_len || !(flags & MREMAP_MAYMOVE))) { - unsigned long max_addr = TASK_SIZE; - if (vma->vm_next) - max_addr = vma->vm_next->vm_start; - /* can we just expand the current mapping? */ - if (max_addr - addr >= new_len) { - int pages = (new_len - old_len) >> PAGE_SHIFT; - spin_lock(&vma->vm_mm->page_table_lock); - vma->vm_end = addr + new_len; - spin_unlock(&vma->vm_mm->page_table_lock); - current->mm->total_vm += pages; - if (vma->vm_flags & VM_LOCKED) { - current->mm->locked_vm += pages; - make_pages_present(addr + old_len, - addr + new_len); - } - ret = addr; - goto out; - } - } - - /* - * We weren't able to just expand or shrink the area, - * we need to create a new one and move it.. - */ - ret = -ENOMEM; - if (flags & MREMAP_MAYMOVE) { - if (!(flags & MREMAP_FIXED)) { - unsigned long map_flags = 0; - if (vma->vm_flags & VM_SHARED) - map_flags |= MAP_SHARED; - - new_addr = get_unmapped_area(vma->vm_file, 0, new_len, vma->vm_pgoff, map_flags); - ret = new_addr; - if (new_addr & ~PAGE_MASK) - goto out; - } - ret = move_vma(vma, addr, old_len, new_len, new_addr); - } -out: - return ret; -} - -asmlinkage unsigned long sys_mremap(unsigned long addr, - unsigned long old_len, unsigned long new_len, - unsigned long flags, unsigned long new_addr) -{ - unsigned long ret; - - down_write(¤t->mm->mmap_sem); - ret = do_mremap(addr, old_len, new_len, flags, new_addr); - up_write(¤t->mm->mmap_sem); - return ret; -} diff --git a/old/xenolinux-2.4.16-sparse/mm/swapfile.c b/old/xenolinux-2.4.16-sparse/mm/swapfile.c deleted file mode 100644 index 48846184d4..0000000000 --- a/old/xenolinux-2.4.16-sparse/mm/swapfile.c +++ /dev/null @@ -1,1291 +0,0 @@ -/* - * linux/mm/swapfile.c - * - * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds - * Swap reorganised 29.12.95, Stephen Tweedie - */ - -#include <linux/slab.h> -#include <linux/smp_lock.h> -#include <linux/kernel_stat.h> -#include <linux/swap.h> -#include <linux/swapctl.h> -#include <linux/blkdev.h> /* for blk_size */ -#include <linux/vmalloc.h> -#include <linux/pagemap.h> -#include <linux/shm.h> -#include <linux/compiler.h> - -#include <asm/pgtable.h> - -spinlock_t swaplock = SPIN_LOCK_UNLOCKED; -unsigned int nr_swapfiles; -int total_swap_pages; -static int swap_overflow; - -static const char Bad_file[] = "Bad swap file entry "; -static const char Unused_file[] = "Unused swap file entry "; -static const char Bad_offset[] = "Bad swap offset entry "; -static const char Unused_offset[] = "Unused swap offset entry "; - -struct swap_list_t swap_list = {-1, -1}; - -struct swap_info_struct swap_info[MAX_SWAPFILES]; - -#define SWAPFILE_CLUSTER 256 - -static inline int scan_swap_map(struct swap_info_struct *si) -{ - unsigned long offset; - /* - * We try to cluster swap pages by allocating them - * sequentially in swap. Once we've allocated - * SWAPFILE_CLUSTER pages this way, however, we resort to - * first-free allocation, starting a new cluster. This - * prevents us from scattering swap pages all over the entire - * swap partition, so that we reduce overall disk seek times - * between swap pages. -- sct */ - if (si->cluster_nr) { - while (si->cluster_next <= si->highest_bit) { - offset = si->cluster_next++; - if (si->swap_map[offset]) - continue; - si->cluster_nr--; - goto got_page; - } - } - si->cluster_nr = SWAPFILE_CLUSTER; - - /* try to find an empty (even not aligned) cluster. */ - offset = si->lowest_bit; - check_next_cluster: - if (offset+SWAPFILE_CLUSTER-1 <= si->highest_bit) - { - int nr; - for (nr = offset; nr < offset+SWAPFILE_CLUSTER; nr++) - if (si->swap_map[nr]) - { - offset = nr+1; - goto check_next_cluster; - } - /* We found a completly empty cluster, so start - * using it. - */ - goto got_page; - } - /* No luck, so now go finegrined as usual. -Andrea */ - for (offset = si->lowest_bit; offset <= si->highest_bit ; offset++) { - if (si->swap_map[offset]) - continue; - si->lowest_bit = offset+1; - got_page: - if (offset == si->lowest_bit) - si->lowest_bit++; - if (offset == si->highest_bit) - si->highest_bit--; - if (si->lowest_bit > si->highest_bit) { - si->lowest_bit = si->max; - si->highest_bit = 0; - } - si->swap_map[offset] = 1; - nr_swap_pages--; - si->cluster_next = offset+1; - return offset; - } - si->lowest_bit = si->max; - si->highest_bit = 0; - return 0; -} - -swp_entry_t get_swap_page(void) -{ - struct swap_info_struct * p; - unsigned long offset; - swp_entry_t entry; - int type, wrapped = 0; - - entry.val = 0; /* Out of memory */ - swap_list_lock(); - type = swap_list.next; - if (type < 0) - goto out; - if (nr_swap_pages <= 0) - goto out; - - while (1) { - p = &swap_info[type]; - if ((p->flags & SWP_WRITEOK) == SWP_WRITEOK) { - swap_device_lock(p); - offset = scan_swap_map(p); - swap_device_unlock(p); - if (offset) { - entry = SWP_ENTRY(type,offset); - type = swap_info[type].next; - if (type < 0 || - p->prio != swap_info[type].prio) { - swap_list.next = swap_list.head; - } else { - swap_list.next = type; - } - goto out; - } - } - type = p->next; - if (!wrapped) { - if (type < 0 || p->prio != swap_info[type].prio) { - type = swap_list.head; - wrapped = 1; - } - } else - if (type < 0) - goto out; /* out of swap space */ - } -out: - swap_list_unlock(); - return entry; -} - -static struct swap_info_struct * swap_info_get(swp_entry_t entry) -{ - struct swap_info_struct * p; - unsigned long offset, type; - - if (!entry.val) - goto out; - type = SWP_TYPE(entry); - if (type >= nr_swapfiles) - goto bad_nofile; - p = & swap_info[type]; - if (!(p->flags & SWP_USED)) - goto bad_device; - offset = SWP_OFFSET(entry); - if (offset >= p->max) - goto bad_offset; - if (!p->swap_map[offset]) - goto bad_free; - swap_list_lock(); - if (p->prio > swap_info[swap_list.next].prio) - swap_list.next = type; - swap_device_lock(p); - return p; - -bad_free: - printk(KERN_ERR "swap_free: %s%08lx\n", Unused_offset, entry.val); - goto out; -bad_offset: - printk(KERN_ERR "swap_free: %s%08lx\n", Bad_offset, entry.val); - goto out; -bad_device: - printk(KERN_ERR "swap_free: %s%08lx\n", Unused_file, entry.val); - goto out; -bad_nofile: - printk(KERN_ERR "swap_free: %s%08lx\n", Bad_file, entry.val); -out: - return NULL; -} - -static void swap_info_put(struct swap_info_struct * p) -{ - swap_device_unlock(p); - swap_list_unlock(); -} - -static int swap_entry_free(struct swap_info_struct *p, unsigned long offset) -{ - int count = p->swap_map[offset]; - - if (count < SWAP_MAP_MAX) { - count--; - p->swap_map[offset] = count; - if (!count) { - if (offset < p->lowest_bit) - p->lowest_bit = offset; - if (offset > p->highest_bit) - p->highest_bit = offset; - nr_swap_pages++; - } - } - return count; -} - -/* - * Caller has made sure that the swapdevice corresponding to entry - * is still around or has not been recycled. - */ -void swap_free(swp_entry_t entry) -{ - struct swap_info_struct * p; - - p = swap_info_get(entry); - if (p) { - swap_entry_free(p, SWP_OFFSET(entry)); - swap_info_put(p); - } -} - -/* - * Check if we're the only user of a swap page, - * when the page is locked. - */ -static int exclusive_swap_page(struct page *page) -{ - int retval = 0; - struct swap_info_struct * p; - swp_entry_t entry; - - entry.val = page->index; - p = swap_info_get(entry); - if (p) { - /* Is the only swap cache user the cache itself? */ - if (p->swap_map[SWP_OFFSET(entry)] == 1) { - /* Recheck the page count with the pagecache lock held.. */ - spin_lock(&pagecache_lock); - if (page_count(page) - !!page->buffers == 2) - retval = 1; - spin_unlock(&pagecache_lock); - } - swap_info_put(p); - } - return retval; -} - -/* - * We can use this swap cache entry directly - * if there are no other references to it. - * - * Here "exclusive_swap_page()" does the real - * work, but we opportunistically check whether - * we need to get all the locks first.. - */ -int can_share_swap_page(struct page *page) -{ - int retval = 0; - - if (!PageLocked(page)) - BUG(); - switch (page_count(page)) { - case 3: - if (!page->buffers) - break; - /* Fallthrough */ - case 2: - if (!PageSwapCache(page)) - break; - retval = exclusive_swap_page(page); - break; - case 1: - if (PageReserved(page)) - break; - retval = 1; - } - return retval; -} - -/* - * Work out if there are any other processes sharing this - * swap cache page. Free it if you can. Return success. - */ -int remove_exclusive_swap_page(struct page *page) -{ - int retval; - struct swap_info_struct * p; - swp_entry_t entry; - - if (!PageLocked(page)) - BUG(); - if (!PageSwapCache(page)) - return 0; - if (page_count(page) - !!page->buffers != 2) /* 2: us + cache */ - return 0; - - entry.val = page->index; - p = swap_info_get(entry); - if (!p) - return 0; - - /* Is the only swap cache user the cache itself? */ - retval = 0; - if (p->swap_map[SWP_OFFSET(entry)] == 1) { - /* Recheck the page count with the pagecache lock held.. */ - spin_lock(&pagecache_lock); - if (page_count(page) - !!page->buffers == 2) { - __delete_from_swap_cache(page); - SetPageDirty(page); - retval = 1; - } - spin_unlock(&pagecache_lock); - } - swap_info_put(p); - - if (retval) { - block_flushpage(page, 0); - swap_free(entry); - page_cache_release(page); - } - - return retval; -} - -/* - * Free the swap entry like above, but also try to - * free the page cache entry if it is the last user. - */ -void free_swap_and_cache(swp_entry_t entry) -{ - struct swap_info_struct * p; - struct page *page = NULL; - - p = swap_info_get(entry); - if (p) { - if (swap_entry_free(p, SWP_OFFSET(entry)) == 1) - page = find_trylock_page(&swapper_space, entry.val); - swap_info_put(p); - } - if (page) { - page_cache_get(page); - /* Only cache user (+us), or swap space full? Free it! */ - if (page_count(page) == 2 || vm_swap_full()) { - delete_from_swap_cache(page); - SetPageDirty(page); - } - UnlockPage(page); - page_cache_release(page); - } -} - -/* - * The swap entry has been read in advance, and we return 1 to indicate - * that the page has been used or is no longer needed. - * - * Always set the resulting pte to be nowrite (the same as COW pages - * after one process has exited). We don't know just how many PTEs will - * share this swap entry, so be cautious and let do_wp_page work out - * what to do if a write is requested later. - */ -/* mmlist_lock and vma->vm_mm->page_table_lock are held */ -static inline void unuse_pte(struct vm_area_struct * vma, unsigned long address, - pte_t *dir, swp_entry_t entry, struct page* page) -{ - pte_t pte = *dir; - - if (likely(pte_to_swp_entry(pte).val != entry.val)) - return; - if (unlikely(pte_none(pte) || pte_present(pte))) - return; - get_page(page); - set_pte(dir, pte_mkold(mk_pte(page, vma->vm_page_prot))); - swap_free(entry); - ++vma->vm_mm->rss; -} - -/* mmlist_lock and vma->vm_mm->page_table_lock are held */ -static inline void unuse_pmd(struct vm_area_struct * vma, pmd_t *dir, - unsigned long address, unsigned long size, unsigned long offset, - swp_entry_t entry, struct page* page) -{ - pte_t * pte; - unsigned long end; - - if (pmd_none(*dir)) - return; - if (pmd_bad(*dir)) { - pmd_ERROR(*dir); - pmd_clear(dir); - return; - } - pte = pte_offset(dir, address); - offset += address & PMD_MASK; - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - unuse_pte(vma, offset+address-vma->vm_start, pte, entry, page); - address += PAGE_SIZE; - pte++; - } while (address && (address < end)); -} - -/* mmlist_lock and vma->vm_mm->page_table_lock are held */ -static inline void unuse_pgd(struct vm_area_struct * vma, pgd_t *dir, - unsigned long address, unsigned long size, - swp_entry_t entry, struct page* page) -{ - pmd_t * pmd; - unsigned long offset, end; - - if (pgd_none(*dir)) - return; - if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); - return; - } - pmd = pmd_offset(dir, address); - offset = address & PGDIR_MASK; - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - if (address >= end) - BUG(); - do { - unuse_pmd(vma, pmd, address, end - address, offset, entry, - page); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address && (address < end)); -} - -/* mmlist_lock and vma->vm_mm->page_table_lock are held */ -static void unuse_vma(struct vm_area_struct * vma, pgd_t *pgdir, - swp_entry_t entry, struct page* page) -{ - unsigned long start = vma->vm_start, end = vma->vm_end; - - if (start >= end) - BUG(); - do { - unuse_pgd(vma, pgdir, start, end - start, entry, page); - start = (start + PGDIR_SIZE) & PGDIR_MASK; - pgdir++; - } while (start && (start < end)); -} - -static void unuse_process(struct mm_struct * mm, - swp_entry_t entry, struct page* page) -{ - struct vm_area_struct* vma; - - /* - * Go through process' page directory. - */ - spin_lock(&mm->page_table_lock); - for (vma = mm->mmap; vma; vma = vma->vm_next) { - pgd_t * pgd = pgd_offset(mm, vma->vm_start); - unuse_vma(vma, pgd, entry, page); - } - XENO_flush_page_update_queue(); - spin_unlock(&mm->page_table_lock); - return; -} - -/* - * Scan swap_map from current position to next entry still in use. - * Recycle to start on reaching the end, returning 0 when empty. - */ -static int find_next_to_unuse(struct swap_info_struct *si, int prev) -{ - int max = si->max; - int i = prev; - int count; - - /* - * No need for swap_device_lock(si) here: we're just looking - * for whether an entry is in use, not modifying it; false - * hits are okay, and sys_swapoff() has already prevented new - * allocations from this area (while holding swap_list_lock()). - */ - for (;;) { - if (++i >= max) { - if (!prev) { - i = 0; - break; - } - /* - * No entries in use at top of swap_map, - * loop back to start and recheck there. - */ - max = prev + 1; - prev = 0; - i = 1; - } - count = si->swap_map[i]; - if (count && count != SWAP_MAP_BAD) - break; - } - return i; -} - -/* - * We completely avoid races by reading each swap page in advance, - * and then search for the process using it. All the necessary - * page table adjustments can then be made atomically. - */ -static int try_to_unuse(unsigned int type) -{ - struct swap_info_struct * si = &swap_info[type]; - struct mm_struct *start_mm; - unsigned short *swap_map; - unsigned short swcount; - struct page *page; - swp_entry_t entry; - int i = 0; - int retval = 0; - int reset_overflow = 0; - - /* - * When searching mms for an entry, a good strategy is to - * start at the first mm we freed the previous entry from - * (though actually we don't notice whether we or coincidence - * freed the entry). Initialize this start_mm with a hold. - * - * A simpler strategy would be to start at the last mm we - * freed the previous entry from; but that would take less - * advantage of mmlist ordering (now preserved by swap_out()), - * which clusters forked address spaces together, most recent - * child immediately after parent. If we race with dup_mmap(), - * we very much want to resolve parent before child, otherwise - * we may miss some entries: using last mm would invert that. - */ - start_mm = &init_mm; - atomic_inc(&init_mm.mm_users); - - /* - * Keep on scanning until all entries have gone. Usually, - * one pass through swap_map is enough, but not necessarily: - * mmput() removes mm from mmlist before exit_mmap() and its - * zap_page_range(). That's not too bad, those entries are - * on their way out, and handled faster there than here. - * do_munmap() behaves similarly, taking the range out of mm's - * vma list before zap_page_range(). But unfortunately, when - * unmapping a part of a vma, it takes the whole out first, - * then reinserts what's left after (might even reschedule if - * open() method called) - so swap entries may be invisible - * to swapoff for a while, then reappear - but that is rare. - */ - while ((i = find_next_to_unuse(si, i))) { - /* - * Get a page for the entry, using the existing swap - * cache page if there is one. Otherwise, get a clean - * page and read the swap into it. - */ - swap_map = &si->swap_map[i]; - entry = SWP_ENTRY(type, i); - page = read_swap_cache_async(entry); - if (!page) { - /* - * Either swap_duplicate() failed because entry - * has been freed independently, and will not be - * reused since sys_swapoff() already disabled - * allocation from here, or alloc_page() failed. - */ - if (!*swap_map) - continue; - retval = -ENOMEM; - break; - } - - /* - * Don't hold on to start_mm if it looks like exiting. - */ - if (atomic_read(&start_mm->mm_users) == 1) { - mmput(start_mm); - start_mm = &init_mm; - atomic_inc(&init_mm.mm_users); - } - - /* - * Wait for and lock page. When do_swap_page races with - * try_to_unuse, do_swap_page can handle the fault much - * faster than try_to_unuse can locate the entry. This - * apparently redundant "wait_on_page" lets try_to_unuse - * defer to do_swap_page in such a case - in some tests, - * do_swap_page and try_to_unuse repeatedly compete. - */ - wait_on_page(page); - lock_page(page); - - /* - * Remove all references to entry, without blocking. - * Whenever we reach init_mm, there's no address space - * to search, but use it as a reminder to search shmem. - */ - swcount = *swap_map; - if (swcount > 1) { - flush_page_to_ram(page); - if (start_mm == &init_mm) - shmem_unuse(entry, page); - else - unuse_process(start_mm, entry, page); - } - if (*swap_map > 1) { - int set_start_mm = (*swap_map >= swcount); - struct list_head *p = &start_mm->mmlist; - struct mm_struct *new_start_mm = start_mm; - struct mm_struct *mm; - - spin_lock(&mmlist_lock); - while (*swap_map > 1 && - (p = p->next) != &start_mm->mmlist) { - mm = list_entry(p, struct mm_struct, mmlist); - swcount = *swap_map; - if (mm == &init_mm) { - set_start_mm = 1; - shmem_unuse(entry, page); - } else - unuse_process(mm, entry, page); - if (set_start_mm && *swap_map < swcount) { - new_start_mm = mm; - set_start_mm = 0; - } - } - atomic_inc(&new_start_mm->mm_users); - spin_unlock(&mmlist_lock); - mmput(start_mm); - start_mm = new_start_mm; - } - - /* - * How could swap count reach 0x7fff when the maximum - * pid is 0x7fff, and there's no way to repeat a swap - * page within an mm (except in shmem, where it's the - * shared object which takes the reference count)? - * We believe SWAP_MAP_MAX cannot occur in Linux 2.4. - * - * If that's wrong, then we should worry more about - * exit_mmap() and do_munmap() cases described above: - * we might be resetting SWAP_MAP_MAX too early here. - * We know "Undead"s can happen, they're okay, so don't - * report them; but do report if we reset SWAP_MAP_MAX. - */ - if (*swap_map == SWAP_MAP_MAX) { - swap_list_lock(); - swap_device_lock(si); - nr_swap_pages++; - *swap_map = 1; - swap_device_unlock(si); - swap_list_unlock(); - reset_overflow = 1; - } - - /* - * If a reference remains (rare), we would like to leave - * the page in the swap cache; but try_to_swap_out could - * then re-duplicate the entry once we drop page lock, - * so we might loop indefinitely; also, that page could - * not be swapped out to other storage meanwhile. So: - * delete from cache even if there's another reference, - * after ensuring that the data has been saved to disk - - * since if the reference remains (rarer), it will be - * read from disk into another page. Splitting into two - * pages would be incorrect if swap supported "shared - * private" pages, but they are handled by tmpfs files. - * Note shmem_unuse already deleted its from swap cache. - */ - swcount = *swap_map; - if ((swcount > 0) != PageSwapCache(page)) - BUG(); - if ((swcount > 1) && PageDirty(page)) { - rw_swap_page(WRITE, page); - lock_page(page); - } - if (PageSwapCache(page)) - delete_from_swap_cache(page); - - /* - * So we could skip searching mms once swap count went - * to 1, we did not mark any present ptes as dirty: must - * mark page dirty so try_to_swap_out will preserve it. - */ - SetPageDirty(page); - UnlockPage(page); - page_cache_release(page); - - /* - * Make sure that we aren't completely killing - * interactive performance. Interruptible check on - * signal_pending() would be nice, but changes the spec? - */ - if (current->need_resched) - schedule(); - } - - mmput(start_mm); - if (reset_overflow) { - printk(KERN_WARNING "swapoff: cleared swap entry overflow\n"); - swap_overflow = 0; - } - return retval; -} - -asmlinkage long sys_swapoff(const char * specialfile) -{ - struct swap_info_struct * p = NULL; - unsigned short *swap_map; - struct nameidata nd; - int i, type, prev; - int err; - - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - err = user_path_walk(specialfile, &nd); - if (err) - goto out; - - lock_kernel(); - prev = -1; - swap_list_lock(); - for (type = swap_list.head; type >= 0; type = swap_info[type].next) { - p = swap_info + type; - if ((p->flags & SWP_WRITEOK) == SWP_WRITEOK) { - if (p->swap_file == nd.dentry) - break; - } - prev = type; - } - err = -EINVAL; - if (type < 0) { - swap_list_unlock(); - goto out_dput; - } - - if (prev < 0) { - swap_list.head = p->next; - } else { - swap_info[prev].next = p->next; - } - if (type == swap_list.next) { - /* just pick something that's safe... */ - swap_list.next = swap_list.head; - } - nr_swap_pages -= p->pages; - total_swap_pages -= p->pages; - p->flags = SWP_USED; - swap_list_unlock(); - unlock_kernel(); - err = try_to_unuse(type); - lock_kernel(); - if (err) { - /* re-insert swap space back into swap_list */ - swap_list_lock(); - for (prev = -1, i = swap_list.head; i >= 0; prev = i, i = swap_info[i].next) - if (p->prio >= swap_info[i].prio) - break; - p->next = i; - if (prev < 0) - swap_list.head = swap_list.next = p - swap_info; - else - swap_info[prev].next = p - swap_info; - nr_swap_pages += p->pages; - total_swap_pages += p->pages; - p->flags = SWP_WRITEOK; - swap_list_unlock(); - goto out_dput; - } - if (p->swap_device) - blkdev_put(p->swap_file->d_inode->i_bdev, BDEV_SWAP); - path_release(&nd); - - swap_list_lock(); - swap_device_lock(p); - nd.mnt = p->swap_vfsmnt; - nd.dentry = p->swap_file; - p->swap_vfsmnt = NULL; - p->swap_file = NULL; - p->swap_device = 0; - p->max = 0; - swap_map = p->swap_map; - p->swap_map = NULL; - p->flags = 0; - swap_device_unlock(p); - swap_list_unlock(); - vfree(swap_map); - err = 0; - -out_dput: - unlock_kernel(); - path_release(&nd); -out: - return err; -} - -int get_swaparea_info(char *buf) -{ - char * page = (char *) __get_free_page(GFP_KERNEL); - struct swap_info_struct *ptr = swap_info; - int i, j, len = 0, usedswap; - - if (!page) - return -ENOMEM; - - len += sprintf(buf, "Filename\t\t\tType\t\tSize\tUsed\tPriority\n"); - for (i = 0 ; i < nr_swapfiles ; i++, ptr++) { - if ((ptr->flags & SWP_USED) && ptr->swap_map) { - char * path = d_path(ptr->swap_file, ptr->swap_vfsmnt, - page, PAGE_SIZE); - - len += sprintf(buf + len, "%-31s ", path); - - if (!ptr->swap_device) - len += sprintf(buf + len, "file\t\t"); - else - len += sprintf(buf + len, "partition\t"); - - usedswap = 0; - for (j = 0; j < ptr->max; ++j) - switch (ptr->swap_map[j]) { - case SWAP_MAP_BAD: - case 0: - continue; - default: - usedswap++; - } - len += sprintf(buf + len, "%d\t%d\t%d\n", ptr->pages << (PAGE_SHIFT - 10), - usedswap << (PAGE_SHIFT - 10), ptr->prio); - } - } - free_page((unsigned long) page); - return len; -} - -int is_swap_partition(kdev_t dev) { - struct swap_info_struct *ptr = swap_info; - int i; - - for (i = 0 ; i < nr_swapfiles ; i++, ptr++) { - if (ptr->flags & SWP_USED) - if (ptr->swap_device == dev) - return 1; - } - return 0; -} - -/* - * Written 01/25/92 by Simmule Turner, heavily changed by Linus. - * - * The swapon system call - */ -asmlinkage long sys_swapon(const char * specialfile, int swap_flags) -{ - struct swap_info_struct * p; - struct nameidata nd; - struct inode * swap_inode; - unsigned int type; - int i, j, prev; - int error; - static int least_priority = 0; - union swap_header *swap_header = 0; - int swap_header_version; - int nr_good_pages = 0; - unsigned long maxpages = 1; - int swapfilesize; - struct block_device *bdev = NULL; - unsigned short *swap_map; - - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - lock_kernel(); - swap_list_lock(); - p = swap_info; - for (type = 0 ; type < nr_swapfiles ; type++,p++) - if (!(p->flags & SWP_USED)) - break; - error = -EPERM; - if (type >= MAX_SWAPFILES) { - swap_list_unlock(); - goto out; - } - if (type >= nr_swapfiles) - nr_swapfiles = type+1; - p->flags = SWP_USED; - p->swap_file = NULL; - p->swap_vfsmnt = NULL; - p->swap_device = 0; - p->swap_map = NULL; - p->lowest_bit = 0; - p->highest_bit = 0; - p->cluster_nr = 0; - p->sdev_lock = SPIN_LOCK_UNLOCKED; - p->next = -1; - if (swap_flags & SWAP_FLAG_PREFER) { - p->prio = - (swap_flags & SWAP_FLAG_PRIO_MASK)>>SWAP_FLAG_PRIO_SHIFT; - } else { - p->prio = --least_priority; - } - swap_list_unlock(); - error = user_path_walk(specialfile, &nd); - if (error) - goto bad_swap_2; - - p->swap_file = nd.dentry; - p->swap_vfsmnt = nd.mnt; - swap_inode = nd.dentry->d_inode; - error = -EINVAL; - - if (S_ISBLK(swap_inode->i_mode)) { - kdev_t dev = swap_inode->i_rdev; - struct block_device_operations *bdops; - - p->swap_device = dev; - set_blocksize(dev, PAGE_SIZE); - - bd_acquire(swap_inode); - bdev = swap_inode->i_bdev; - bdops = devfs_get_ops(devfs_get_handle_from_inode(swap_inode)); - if (bdops) bdev->bd_op = bdops; - - error = blkdev_get(bdev, FMODE_READ|FMODE_WRITE, 0, BDEV_SWAP); - if (error) - goto bad_swap_2; - set_blocksize(dev, PAGE_SIZE); - error = -ENODEV; - if (!dev || (blk_size[MAJOR(dev)] && - !blk_size[MAJOR(dev)][MINOR(dev)])) - goto bad_swap; - swapfilesize = 0; - if (blk_size[MAJOR(dev)]) - swapfilesize = blk_size[MAJOR(dev)][MINOR(dev)] - >> (PAGE_SHIFT - 10); - } else if (S_ISREG(swap_inode->i_mode)) - swapfilesize = swap_inode->i_size >> PAGE_SHIFT; - else - goto bad_swap; - - error = -EBUSY; - for (i = 0 ; i < nr_swapfiles ; i++) { - struct swap_info_struct *q = &swap_info[i]; - if (i == type || !q->swap_file) - continue; - if (swap_inode->i_mapping == q->swap_file->d_inode->i_mapping) - goto bad_swap; - } - - swap_header = (void *) __get_free_page(GFP_USER); - if (!swap_header) { - printk("Unable to start swapping: out of memory :-)\n"); - error = -ENOMEM; - goto bad_swap; - } - - lock_page(virt_to_page(swap_header)); - rw_swap_page_nolock(READ, SWP_ENTRY(type,0), (char *) swap_header); - - if (!memcmp("SWAP-SPACE",swap_header->magic.magic,10)) - swap_header_version = 1; - else if (!memcmp("SWAPSPACE2",swap_header->magic.magic,10)) - swap_header_version = 2; - else { - printk("Unable to find swap-space signature\n"); - error = -EINVAL; - goto bad_swap; - } - - switch (swap_header_version) { - case 1: - memset(((char *) swap_header)+PAGE_SIZE-10,0,10); - j = 0; - p->lowest_bit = 0; - p->highest_bit = 0; - for (i = 1 ; i < 8*PAGE_SIZE ; i++) { - if (test_bit(i,(char *) swap_header)) { - if (!p->lowest_bit) - p->lowest_bit = i; - p->highest_bit = i; - maxpages = i+1; - j++; - } - } - nr_good_pages = j; - p->swap_map = vmalloc(maxpages * sizeof(short)); - if (!p->swap_map) { - error = -ENOMEM; - goto bad_swap; - } - for (i = 1 ; i < maxpages ; i++) { - if (test_bit(i,(char *) swap_header)) - p->swap_map[i] = 0; - else - p->swap_map[i] = SWAP_MAP_BAD; - } - break; - - case 2: - /* Check the swap header's sub-version and the size of - the swap file and bad block lists */ - if (swap_header->info.version != 1) { - printk(KERN_WARNING - "Unable to handle swap header version %d\n", - swap_header->info.version); - error = -EINVAL; - goto bad_swap; - } - - p->lowest_bit = 1; - maxpages = SWP_OFFSET(SWP_ENTRY(0,~0UL)) - 1; - if (maxpages > swap_header->info.last_page) - maxpages = swap_header->info.last_page; - p->highest_bit = maxpages - 1; - - error = -EINVAL; - if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES) - goto bad_swap; - - /* OK, set up the swap map and apply the bad block list */ - if (!(p->swap_map = vmalloc(maxpages * sizeof(short)))) { - error = -ENOMEM; - goto bad_swap; - } - - error = 0; - memset(p->swap_map, 0, maxpages * sizeof(short)); - for (i=0; i<swap_header->info.nr_badpages; i++) { - int page = swap_header->info.badpages[i]; - if (page <= 0 || page >= swap_header->info.last_page) - error = -EINVAL; - else - p->swap_map[page] = SWAP_MAP_BAD; - } - nr_good_pages = swap_header->info.last_page - - swap_header->info.nr_badpages - - 1 /* header page */; - if (error) - goto bad_swap; - } - - if (swapfilesize && maxpages > swapfilesize) { - printk(KERN_WARNING - "Swap area shorter than signature indicates\n"); - error = -EINVAL; - goto bad_swap; - } - if (!nr_good_pages) { - printk(KERN_WARNING "Empty swap-file\n"); - error = -EINVAL; - goto bad_swap; - } - p->swap_map[0] = SWAP_MAP_BAD; - swap_list_lock(); - swap_device_lock(p); - p->max = maxpages; - p->flags = SWP_WRITEOK; - p->pages = nr_good_pages; - nr_swap_pages += nr_good_pages; - total_swap_pages += nr_good_pages; - printk(KERN_INFO "Adding Swap: %dk swap-space (priority %d)\n", - nr_good_pages<<(PAGE_SHIFT-10), p->prio); - - /* insert swap space into swap_list: */ - prev = -1; - for (i = swap_list.head; i >= 0; i = swap_info[i].next) { - if (p->prio >= swap_info[i].prio) { - break; - } - prev = i; - } - p->next = i; - if (prev < 0) { - swap_list.head = swap_list.next = p - swap_info; - } else { - swap_info[prev].next = p - swap_info; - } - swap_device_unlock(p); - swap_list_unlock(); - error = 0; - goto out; -bad_swap: - if (bdev) - blkdev_put(bdev, BDEV_SWAP); -bad_swap_2: - swap_list_lock(); - swap_map = p->swap_map; - nd.mnt = p->swap_vfsmnt; - nd.dentry = p->swap_file; - p->swap_device = 0; - p->swap_file = NULL; - p->swap_vfsmnt = NULL; - p->swap_map = NULL; - p->flags = 0; - if (!(swap_flags & SWAP_FLAG_PREFER)) - ++least_priority; - swap_list_unlock(); - if (swap_map) - vfree(swap_map); - path_release(&nd); -out: - if (swap_header) - free_page((long) swap_header); - unlock_kernel(); - return error; -} - -void si_swapinfo(struct sysinfo *val) -{ - unsigned int i; - unsigned long nr_to_be_unused = 0; - - swap_list_lock(); - for (i = 0; i < nr_swapfiles; i++) { - unsigned int j; - if (swap_info[i].flags != SWP_USED) - continue; - for (j = 0; j < swap_info[i].max; ++j) { - switch (swap_info[i].swap_map[j]) { - case 0: - case SWAP_MAP_BAD: - continue; - default: - nr_to_be_unused++; - } - } - } - val->freeswap = nr_swap_pages + nr_to_be_unused; - val->totalswap = total_swap_pages + nr_to_be_unused; - swap_list_unlock(); -} - -/* - * Verify that a swap entry is valid and increment its swap map count. - * - * Note: if swap_map[] reaches SWAP_MAP_MAX the entries are treated as - * "permanent", but will be reclaimed by the next swapoff. - */ -int swap_duplicate(swp_entry_t entry) -{ - struct swap_info_struct * p; - unsigned long offset, type; - int result = 0; - - type = SWP_TYPE(entry); - if (type >= nr_swapfiles) - goto bad_file; - p = type + swap_info; - offset = SWP_OFFSET(entry); - - swap_device_lock(p); - if (offset < p->max && p->swap_map[offset]) { - if (p->swap_map[offset] < SWAP_MAP_MAX - 1) { - p->swap_map[offset]++; - result = 1; - } else if (p->swap_map[offset] <= SWAP_MAP_MAX) { - if (swap_overflow++ < 5) - printk(KERN_WARNING "swap_dup: swap entry overflow\n"); - p->swap_map[offset] = SWAP_MAP_MAX; - result = 1; - } - } - swap_device_unlock(p); -out: - return result; - -bad_file: - printk(KERN_ERR "swap_dup: %s%08lx\n", Bad_file, entry.val); - goto out; -} - -/* - * Page lock needs to be held in all cases to prevent races with - * swap file deletion. - */ -int swap_count(struct page *page) -{ - struct swap_info_struct * p; - unsigned long offset, type; - swp_entry_t entry; - int retval = 0; - - entry.val = page->index; - if (!entry.val) - goto bad_entry; - type = SWP_TYPE(entry); - if (type >= nr_swapfiles) - goto bad_file; - p = type + swap_info; - offset = SWP_OFFSET(entry); - if (offset >= p->max) - goto bad_offset; - if (!p->swap_map[offset]) - goto bad_unused; - retval = p->swap_map[offset]; -out: - return retval; - -bad_entry: - printk(KERN_ERR "swap_count: null entry!\n"); - goto out; -bad_file: - printk(KERN_ERR "swap_count: %s%08lx\n", Bad_file, entry.val); - goto out; -bad_offset: - printk(KERN_ERR "swap_count: %s%08lx\n", Bad_offset, entry.val); - goto out; -bad_unused: - printk(KERN_ERR "swap_count: %s%08lx\n", Unused_offset, entry.val); - goto out; -} - -/* - * Prior swap_duplicate protects against swap device deletion. - */ -void get_swaphandle_info(swp_entry_t entry, unsigned long *offset, - kdev_t *dev, struct inode **swapf) -{ - unsigned long type; - struct swap_info_struct *p; - - type = SWP_TYPE(entry); - if (type >= nr_swapfiles) { - printk(KERN_ERR "rw_swap_page: %s%08lx\n", Bad_file, entry.val); - return; - } - - p = &swap_info[type]; - *offset = SWP_OFFSET(entry); - if (*offset >= p->max && *offset != 0) { - printk(KERN_ERR "rw_swap_page: %s%08lx\n", Bad_offset, entry.val); - return; - } - if (p->swap_map && !p->swap_map[*offset]) { - printk(KERN_ERR "rw_swap_page: %s%08lx\n", Unused_offset, entry.val); - return; - } - if (!(p->flags & SWP_USED)) { - printk(KERN_ERR "rw_swap_page: %s%08lx\n", Unused_file, entry.val); - return; - } - - if (p->swap_device) { - *dev = p->swap_device; - } else if (p->swap_file) { - *swapf = p->swap_file->d_inode; - } else { - printk(KERN_ERR "rw_swap_page: no swap file or device\n"); - } - return; -} - -/* - * swap_device_lock prevents swap_map being freed. Don't grab an extra - * reference on the swaphandle, it doesn't matter if it becomes unused. - */ -int valid_swaphandles(swp_entry_t entry, unsigned long *offset) -{ - int ret = 0, i = 1 << page_cluster; - unsigned long toff; - struct swap_info_struct *swapdev = SWP_TYPE(entry) + swap_info; - - if (!page_cluster) /* no readahead */ - return 0; - toff = (SWP_OFFSET(entry) >> page_cluster) << page_cluster; - if (!toff) /* first page is swap header */ - toff++, i--; - *offset = toff; - - swap_device_lock(swapdev); - do { - /* Don't read-ahead past the end of the swap area */ - if (toff >= swapdev->max) - break; - /* Don't read in free or bad pages */ - if (!swapdev->swap_map[toff]) - break; - if (swapdev->swap_map[toff] == SWAP_MAP_BAD) - break; - toff++; - ret++; - } while (--i); - swap_device_unlock(swapdev); - return ret; -} |