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Diffstat (limited to 'extras/mini-os/include/ia64/page.h')
| -rw-r--r-- | extras/mini-os/include/ia64/page.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/extras/mini-os/include/ia64/page.h b/extras/mini-os/include/ia64/page.h deleted file mode 100644 index 67be0a555d..0000000000 --- a/extras/mini-os/include/ia64/page.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Done by Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> - * Common stuff for memory and page handling. - * Parts are taken from FreeBSD. - * - **************************************************************************** - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - - -#if !defined(_PAGE_H_) -#define _PAGE_H_ - -#include "os.h" -#include "ia64_cpu.h" - -#define PTE_KERNEL_ATTR ((PTE_P<<PTE_P_SHIFT) |\ - (PTE_MA_WB<<PTE_MA_SHIFT) |\ - (PTE_D<<PTE_D_SHIFT) |\ - (PTE_A<<PTE_A_SHIFT) |\ - (PTE_PL_KERN<<PTE_PL_SHIFT) |\ - (PTE_AR_RWX<<PTE_AR_SHIFT)) - - -/* The kernel tr page size for text and data. */ -#define KERNEL_TR_PAGE_SIZE PTE_PS_1M -/* The efi-pal page size for text and data. */ -#define PAL_TR_PAGE_SIZE PTE_PS_1M - -#include "arch_limits.h" -#define PAGE_SHIFT __PAGE_SHIFT -#define PAGE_SIZE __PAGE_SIZE -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#define KSTACK_PAGES 4 /* 4 pages for the kernel stack + bsp */ - -#define IA64_TR_KERNEL 0 /* itr0, dtr0: maps kernel image (code) */ -#define IA64_TR_PAL 1 /* itr1: maps pal code */ - -/* - * Manipulating region bits of an address. - */ -#define IA64_RR_BASE(n) ((UL_TYPE(n)) << 61) -#define IA64_RR_MASK(x) ((UL_TYPE(x)) & ((1L << 61) - 1)) -#define IA64_RR_EXTR(x) ((x) >> 61) - -#define IA64_PHYS_TO_RR5(x) ((x) | IA64_RR_BASE(5)) -#define IA64_PHYS_TO_RR7(x) ((x) | IA64_RR_BASE(7)) - -#define __pa(x) IA64_RR_MASK(x) -#define __va(x) IA64_PHYS_TO_RR7(x) - -#define roundup_page(x) ((((unsigned long)(x)) + PAGE_SIZE -1) & PAGE_MASK) -#define trunc_page(x) ((unsigned long)(x) & PAGE_MASK) - - -#if !defined(__ASSEMBLY__) - -/* Contains the parts of the physically memory. */ -extern paddr_t phys_avail[]; - -#define page_to_pfn(page) ((uint64_t)(page) >> PAGE_SHIFT) -#define pfn_to_page(pfn) ((uint64_t)pfn << PAGE_SHIFT) -/* Get phyiscal address of page of virtual address. */ -#define virt_to_page(addr) ((uint64_t)__pa(addr) & PAGE_MASK) -#define virt_to_pfn(addr) (page_to_pfn(virt_to_page(addr))) - - -#endif /* __ASSEMBLY__ */ - - -/* For both see minios-ia64.lds. */ -/* This is where the kernel virtually starts. */ -#define KERNEL_START IA64_PHYS_TO_RR5(0x100000000) -/* !!!!! - * For physical start of kernel - * Currently used in arch/ia64/fw.S. - * !!!!! - */ -#define KERNEL_PHYS_START_SHIFT 20 - -/* A region 5 address to physical address */ -#define KERN_VIRT_2_PHYS(x) (((x) - KERNEL_START) + \ - (1 << KERNEL_PHYS_START_SHIFT)) - -/* Some protection keys for region 5 and 7 addresses. */ -#define IA64_KEY_REG7 0x234 /* Region 7 - identity mapped addresses */ -#define IA64_KEY_REG5 0x89a /* Region 5 - kernel addresses */ - -// This is xen specific ! -#define PAGE_SHIFT_XEN_16K 14 // For 16KB page size -#define mfn_to_virt(mfn) ((void*)__va((mfn) << PAGE_SHIFT_XEN_16K)) - -#endif /* !defined(_PAGE_H_) */ |