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Diffstat (limited to 'extras/mini-os/arch/ia64/common.c')
| -rw-r--r-- | extras/mini-os/arch/ia64/common.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/extras/mini-os/arch/ia64/common.c b/extras/mini-os/arch/ia64/common.c deleted file mode 100644 index 14958cd4ec..0000000000 --- a/extras/mini-os/arch/ia64/common.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Done by Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> - * - **************************************************************************** - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - **************************************************************************** - * - * Parts are taken from FreeBSD. - * - */ - - -#include <mini-os/os.h> -#include <mini-os/types.h> -#include <mini-os/lib.h> -#include <mini-os/page.h> -#include <xen/xen.h> -#include <mini-os/privop.h> -#include <xen/callback.h> -#include <mini-os/ia64_cpu.h> -#include <mini-os/hypervisor.h> -#include <mini-os/events.h> -#include <mini-os/console.h> -#include <mini-os/time.h> -#include <mini-os/xmalloc.h> - - -/* For more console boot messages. */ -int bootverbose; - -/* - * This structure contains start-of-day info, such as pagetable base pointer, - * address of the shared_info structure, and things like that. - */ -union start_info_union start_info_union; - -shared_info_t *HYPERVISOR_shared_info = (shared_info_t *)XSI_BASE; - -struct machine_fw machineFwG; - -/* This pointer is initialized in ia64.S with the address of the boot param - * area passed by the bootloader. */ -struct xen_ia64_boot_param* ia64_boot_paramP; - -struct xen_ia64_boot_param ia64BootParamG; -char boot_cmd_line[COMMAND_LINE_SIZE+1]; - - -void -ia64_write_itr_i(ia64_pte_t* pteP, uint32_t reg, uint64_t vAddr, - uint64_t ps, uint64_t pk) -{ - /* The virtual address. */ - __asm __volatile("mov cr.ifa=%0" :: "r"(vAddr)); - /* The page size */ - __asm __volatile("mov cr.itir=%0;;" :: "r"((ps << IA64_ITIR_PS)|(pk << IA64_ITIR_KEY))); - /* Put pte into instruction translation register. */ - __asm __volatile("itr.i itr[%0]=%1" :: "r"(reg), "r"(*(uint64_t*)pteP)); - /* Serialization */ - __asm __volatile("srlz.i"); -} - -void -map_pal_code(void) -{ - ia64_pte_t pte; - - xen_set_virtual_psr_ic(0); - memset(&pte, 0, sizeof(pte)); /* Prepare the pte */ - pte.pte_p = 1; /* present bit */ - pte.pte_ma = PTE_MA_WB; /* memory attribute */ - pte.pte_a = 1; /* accessed bit */ - pte.pte_d = 1; /* dirty bit */ - pte.pte_pl = PTE_PL_KERN; /* privilege level */ - pte.pte_ar = PTE_AR_RWX; /* access rights */ - pte.pte_ppn = ((uint64_t) __pa(machineFwG.ia64_pal_base)) >> 14; - pte.pte_ed = 0; /* exception deferral */ - - /* - * Must purge here because a itc/dtc with the same address - * may be in the tlb! - */ - ia64_ptc_l(machineFwG.ia64_pal_base, PTE_PS_16K); - ia64_write_itr_i(&pte, IA64_TR_PAL, - (uint64_t)machineFwG.ia64_pal_base, - PTE_PS_16K, IA64_KEY_REG7); - xen_set_virtual_psr_ic(1); -} - -/* In ivt.S */ -extern char hypervisor_callback; - -static void -registerCallback(void) -{ - struct callback_register event = - { - .type = CALLBACKTYPE_event, - .address = (unsigned long)&hypervisor_callback, - }; - HYPERVISOR_callback_op(CALLBACKOP_register, &event); -} - -static void -init_start_info(start_info_t* xen_start_info) -{ - /* Make a copy of the start_info structure */ - start_info.nr_pages = xen_start_info->nr_pages; - start_info.shared_info = xen_start_info->shared_info; - start_info.flags = xen_start_info->flags; - start_info.store_mfn = xen_start_info->store_mfn; - start_info.store_evtchn = xen_start_info->store_evtchn; - start_info.console.domU.mfn = xen_start_info->console.domU.mfn; - start_info.console.domU.evtchn = - xen_start_info->console.domU.evtchn; - start_info.pt_base = xen_start_info->pt_base; - start_info.nr_pt_frames = xen_start_info->nr_pt_frames; - start_info.mfn_list = xen_start_info->mfn_list; - start_info.mod_start = xen_start_info->mod_start; - start_info.mod_len = xen_start_info->mod_len; -} - -static void -init_boot_params(void) -{ - ia64BootParamG.command_line = ia64_boot_paramP->command_line; - ia64BootParamG.efi_systab = ia64_boot_paramP->efi_systab; - ia64BootParamG.efi_memmap = ia64_boot_paramP->efi_memmap; - ia64BootParamG.efi_memmap_size = ia64_boot_paramP->efi_memmap_size; - ia64BootParamG.efi_memdesc_size = ia64_boot_paramP->efi_memdesc_size; - ia64BootParamG.efi_memdesc_version = - ia64_boot_paramP->efi_memdesc_version; - ia64BootParamG.console_info.num_cols = - ia64_boot_paramP->console_info.num_cols; - ia64BootParamG.console_info.num_rows = - ia64_boot_paramP->console_info.num_rows; - ia64BootParamG.console_info.orig_x = - ia64_boot_paramP->console_info.orig_x; - ia64BootParamG.console_info.orig_y = - ia64_boot_paramP->console_info.orig_y; - ia64BootParamG.fpswa = ia64_boot_paramP->fpswa; - ia64BootParamG.initrd_start = ia64_boot_paramP->initrd_start; - ia64BootParamG.initrd_size = ia64_boot_paramP->initrd_size; - ia64BootParamG.domain_start = ia64_boot_paramP->domain_start; - ia64BootParamG.domain_size = ia64_boot_paramP->domain_size; - - /* - * Copy and parse the boot command line. - * Currently only a check of bootverbose is done. - */ - memset(boot_cmd_line, 0, sizeof(boot_cmd_line)); - strncpy(boot_cmd_line, - (char*)__va(ia64BootParamG.command_line), COMMAND_LINE_SIZE); - boot_cmd_line[COMMAND_LINE_SIZE - 1] = '\0'; - - /* Look for bootverbose. */ - if (strstr(boot_cmd_line, "bootverbose")) - bootverbose = 1; -} - -static void -set_opt_feature(void) -{ - struct xen_ia64_opt_feature optf; - - optf.cmd = XEN_IA64_OPTF_IDENT_MAP_REG7; - optf.on = XEN_IA64_OPTF_ON; - optf.pgprot = ((1 << PTE_OFF_P) | (1 << PTE_OFF_A) | (1 << PTE_OFF_D) | - (PTE_MA_WB << PTE_OFF_MA) | - (PTE_PL_KERN << PTE_OFF_PL) | - (PTE_AR_RW << PTE_OFF_AR)); - optf.key = IA64_KEY_REG7; - HYPERVISOR_opt_feature(&optf); -} - -void -arch_init(start_info_t *si) -{ - efi_time_t tm; - static int initialized; - - if (initialized) - return; - - init_start_info(si); - - init_boot_params(); - - init_efi(); - - map_pal_code(); - - ia64_sal_init(machineFwG.ia64_sal_tableP); - - if (efi_get_time(&tm)) { - printk("EFI-SystemTime: %d.%d.%d %d:%d:%d", - tm.Day, tm.Month, tm.Year, - tm.Hour, tm.Minute, tm.Second); - - if (tm.TimeZone == EFI_UNSPECIFIED_TIMEZONE) - printk(" Timezone not specified!\n"); - else - printk(" TimeZone: %d Daylight: 0x%x\n", - tm.TimeZone, tm.Daylight); - } else - printk("efi_get_time() failed\n"); - - registerCallback(); - - set_opt_feature(); - - initialized = 1; -} - -void -arch_fini(void) -{ - /* TODO */ -} - -void -arch_print_info(void) -{ - int major, minor; - - minor = HYPERVISOR_xen_version(XENVER_version, 0); - major = minor >> 16; - minor &= ~0xffffffff; - printk("Running on Xen version: %d.%d\n", major, minor); -#if 0 - printk("machine addr of shared_info_t : 0x%lx\n", - start_info.shared_info); - printk("machine page number of shared page: 0x%lx\n", - start_info.store_mfn); - printk("evtchn for store communication : %d\n", - start_info.store_evtchn); - printk("MACHINE address of console page: 0x%lx\n", - start_info.console.domU.mfn); - printk("evtchn for console messages : %d\n", - start_info.console.domU.evtchn); -#endif - if(strlen(boot_cmd_line) > 0) - printk("xen_guest_cmdline : %s\n", boot_cmd_line); -} - |