-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
yaml --- r: 80176 b: refs/heads/master c: 11b7c7d h: refs/heads/master v: v3
- Loading branch information
Jeremy Fitzhardinge
authored and
Ingo Molnar
committed
Jan 30, 2008
1 parent
f38ae57
commit ba8908f
Showing
5 changed files
with
188 additions
and
224 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: e62f4473f32a882a537b32cb7202da8d5d7c4f1f | ||
| refs/heads/master: 11b7c7dc945b8802c459baa3304c1b501d2bf872 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,23 +1,124 @@ | ||
| #ifndef _I386_PAGE_H | ||
| #define _I386_PAGE_H | ||
| #ifndef _ASM_X86_PAGE_32_H | ||
| #define _ASM_X86_PAGE_32_H | ||
|
|
||
| /* | ||
| * This handles the memory map. | ||
| * | ||
| * 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 _AC(CONFIG_PAGE_OFFSET, UL) | ||
|
|
||
| #ifdef CONFIG_X86_PAE | ||
| #define __PHYSICAL_MASK_SHIFT 36 | ||
| #define __VIRTUAL_MASK_SHIFT 32 | ||
| #define PAGETABLE_LEVELS 3 | ||
|
|
||
| #ifdef __KERNEL__ | ||
| #ifndef __ASSEMBLY__ | ||
| typedef u64 pteval_t; | ||
| typedef u64 pmdval_t; | ||
| typedef u64 pudval_t; | ||
| typedef u64 pgdval_t; | ||
| typedef u64 pgprotval_t; | ||
| typedef u64 phys_addr_t; | ||
|
|
||
| /* | ||
| * These are used to make use of C type-checking.. | ||
| typedef struct { unsigned long pte_low, pte_high; } pte_t; | ||
|
|
||
| static inline unsigned long long native_pte_val(pte_t pte) | ||
| { | ||
| return pte.pte_low | ((unsigned long long)pte.pte_high << 32); | ||
| } | ||
|
|
||
| static inline pte_t native_make_pte(unsigned long long val) | ||
| { | ||
| return (pte_t) { .pte_low = val, .pte_high = (val >> 32) } ; | ||
| } | ||
|
|
||
| #endif /* __ASSEMBLY__ | ||
| */ | ||
| #else /* !CONFIG_X86_PAE */ | ||
| #define __PHYSICAL_MASK_SHIFT 32 | ||
| #define __VIRTUAL_MASK_SHIFT 32 | ||
| #define PAGETABLE_LEVELS 2 | ||
|
|
||
| #ifndef __ASSEMBLY__ | ||
| typedef unsigned long pteval_t; | ||
| typedef unsigned long pmdval_t; | ||
| typedef unsigned long pudval_t; | ||
| typedef unsigned long pgdval_t; | ||
| typedef unsigned long pgprotval_t; | ||
| typedef unsigned long phys_addr_t; | ||
|
|
||
| #endif /* !__ASSEMBLY__ */ | ||
| typedef struct { pteval_t pte_low; } pte_t; | ||
| typedef pte_t boot_pte_t; | ||
|
|
||
| static inline unsigned long native_pte_val(pte_t pte) | ||
| { | ||
| return pte.pte_low; | ||
| } | ||
|
|
||
| static inline pte_t native_make_pte(unsigned long val) | ||
| { | ||
| return (pte_t) { .pte_low = val }; | ||
| } | ||
|
|
||
| #endif /* __ASSEMBLY__ */ | ||
| #endif /* CONFIG_X86_PAE */ | ||
|
|
||
| #ifdef CONFIG_HUGETLB_PAGE | ||
| #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA | ||
| #endif | ||
|
|
||
| #ifndef __ASSEMBLY__ | ||
| #define __phys_addr(x) ((x)-PAGE_OFFSET) | ||
| #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) | ||
|
|
||
| #ifdef CONFIG_FLATMEM | ||
| #define pfn_valid(pfn) ((pfn) < max_mapnr) | ||
| #endif /* CONFIG_FLATMEM */ | ||
|
|
||
| extern int nx_enabled; | ||
|
|
||
| /* | ||
| * This much address space is reserved for vmalloc() and iomap() | ||
| * as well as fixmap mappings. | ||
| */ | ||
| extern unsigned int __VMALLOC_RESERVE; | ||
| extern int sysctl_legacy_va_layout; | ||
| extern int page_is_ram(unsigned long pagenr); | ||
|
|
||
| #define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE) | ||
| #define MAXMEM (-__PAGE_OFFSET-__VMALLOC_RESERVE) | ||
|
|
||
| struct vm_area_struct; | ||
| #ifdef CONFIG_X86_USE_3DNOW | ||
| #include <asm/mmx.h> | ||
|
|
||
| #endif /* __ASSEMBLY__ */ | ||
| static inline void clear_page(void *page) | ||
| { | ||
| mmx_clear_page(page); | ||
| } | ||
|
|
||
| static inline void copy_page(void *to, void *from) | ||
| { | ||
| mmx_copy_page(to, from); | ||
| } | ||
| #else /* !CONFIG_X86_USE_3DNOW */ | ||
| #include <linux/string.h> | ||
|
|
||
| static inline void clear_page(void *page) | ||
| { | ||
| memset(page, 0, PAGE_SIZE); | ||
| } | ||
|
|
||
| #endif /* __KERNEL__ */ | ||
| static inline void copy_page(void *to, void *from) | ||
| { | ||
| memcpy(to, from, PAGE_SIZE); | ||
| } | ||
| #endif /* CONFIG_X86_3DNOW */ | ||
| #endif /* !__ASSEMBLY__ */ | ||
|
|
||
| #endif /* _I386_PAGE_H */ | ||
| #endif /* _ASM_X86_PAGE_32_H */ |
Oops, something went wrong.