diff options
Diffstat (limited to 'include/asm-x86/page_32.h')
| -rw-r--r-- | include/asm-x86/page_32.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h deleted file mode 100644 index bdf5dba4cfb0..000000000000 --- a/include/asm-x86/page_32.h +++ /dev/null | |||
| @@ -1,136 +0,0 @@ | |||
| 1 | #ifndef ASM_X86__PAGE_32_H | ||
| 2 | #define ASM_X86__PAGE_32_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * This handles the memory map. | ||
| 6 | * | ||
| 7 | * A __PAGE_OFFSET of 0xC0000000 means that the kernel has | ||
| 8 | * a virtual address space of one gigabyte, which limits the | ||
| 9 | * amount of physical memory you can use to about 950MB. | ||
| 10 | * | ||
| 11 | * If you want more physical memory than this then see the CONFIG_HIGHMEM4G | ||
| 12 | * and CONFIG_HIGHMEM64G options in the kernel configuration. | ||
| 13 | */ | ||
| 14 | #define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) | ||
| 15 | |||
| 16 | #ifdef CONFIG_4KSTACKS | ||
| 17 | #define THREAD_ORDER 0 | ||
| 18 | #else | ||
| 19 | #define THREAD_ORDER 1 | ||
| 20 | #endif | ||
| 21 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
| 22 | |||
| 23 | #define STACKFAULT_STACK 0 | ||
| 24 | #define DOUBLEFAULT_STACK 1 | ||
| 25 | #define NMI_STACK 0 | ||
| 26 | #define DEBUG_STACK 0 | ||
| 27 | #define MCE_STACK 0 | ||
| 28 | #define N_EXCEPTION_STACKS 1 | ||
| 29 | |||
| 30 | #ifdef CONFIG_X86_PAE | ||
| 31 | /* 44=32+12, the limit we can fit into an unsigned long pfn */ | ||
| 32 | #define __PHYSICAL_MASK_SHIFT 44 | ||
| 33 | #define __VIRTUAL_MASK_SHIFT 32 | ||
| 34 | #define PAGETABLE_LEVELS 3 | ||
| 35 | |||
| 36 | #ifndef __ASSEMBLY__ | ||
| 37 | typedef u64 pteval_t; | ||
| 38 | typedef u64 pmdval_t; | ||
| 39 | typedef u64 pudval_t; | ||
| 40 | typedef u64 pgdval_t; | ||
| 41 | typedef u64 pgprotval_t; | ||
| 42 | |||
| 43 | typedef union { | ||
| 44 | struct { | ||
| 45 | unsigned long pte_low, pte_high; | ||
| 46 | }; | ||
| 47 | pteval_t pte; | ||
| 48 | } pte_t; | ||
| 49 | #endif /* __ASSEMBLY__ | ||
| 50 | */ | ||
| 51 | #else /* !CONFIG_X86_PAE */ | ||
| 52 | #define __PHYSICAL_MASK_SHIFT 32 | ||
| 53 | #define __VIRTUAL_MASK_SHIFT 32 | ||
| 54 | #define PAGETABLE_LEVELS 2 | ||
| 55 | |||
| 56 | #ifndef __ASSEMBLY__ | ||
| 57 | typedef unsigned long pteval_t; | ||
| 58 | typedef unsigned long pmdval_t; | ||
| 59 | typedef unsigned long pudval_t; | ||
| 60 | typedef unsigned long pgdval_t; | ||
| 61 | typedef unsigned long pgprotval_t; | ||
| 62 | |||
| 63 | typedef union { | ||
| 64 | pteval_t pte; | ||
| 65 | pteval_t pte_low; | ||
| 66 | } pte_t; | ||
| 67 | |||
| 68 | #endif /* __ASSEMBLY__ */ | ||
| 69 | #endif /* CONFIG_X86_PAE */ | ||
| 70 | |||
| 71 | #ifndef __ASSEMBLY__ | ||
| 72 | typedef struct page *pgtable_t; | ||
| 73 | #endif | ||
| 74 | |||
| 75 | #ifdef CONFIG_HUGETLB_PAGE | ||
| 76 | #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA | ||
| 77 | #endif | ||
| 78 | |||
| 79 | #ifndef __ASSEMBLY__ | ||
| 80 | #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) | ||
| 81 | #ifdef CONFIG_DEBUG_VIRTUAL | ||
| 82 | extern unsigned long __phys_addr(unsigned long); | ||
| 83 | #else | ||
| 84 | #define __phys_addr(x) __phys_addr_nodebug(x) | ||
| 85 | #endif | ||
| 86 | #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) | ||
| 87 | |||
| 88 | #ifdef CONFIG_FLATMEM | ||
| 89 | #define pfn_valid(pfn) ((pfn) < max_mapnr) | ||
| 90 | #endif /* CONFIG_FLATMEM */ | ||
| 91 | |||
| 92 | extern int nx_enabled; | ||
| 93 | |||
| 94 | /* | ||
| 95 | * This much address space is reserved for vmalloc() and iomap() | ||
| 96 | * as well as fixmap mappings. | ||
| 97 | */ | ||
| 98 | extern unsigned int __VMALLOC_RESERVE; | ||
| 99 | extern int sysctl_legacy_va_layout; | ||
| 100 | |||
| 101 | extern void find_low_pfn_range(void); | ||
| 102 | extern unsigned long init_memory_mapping(unsigned long start, | ||
| 103 | unsigned long end); | ||
| 104 | extern void initmem_init(unsigned long, unsigned long); | ||
| 105 | extern void free_initmem(void); | ||
| 106 | extern void setup_bootmem_allocator(void); | ||
| 107 | |||
| 108 | |||
| 109 | #ifdef CONFIG_X86_USE_3DNOW | ||
| 110 | #include <asm/mmx.h> | ||
| 111 | |||
| 112 | static inline void clear_page(void *page) | ||
| 113 | { | ||
| 114 | mmx_clear_page(page); | ||
| 115 | } | ||
| 116 | |||
| 117 | static inline void copy_page(void *to, void *from) | ||
| 118 | { | ||
| 119 | mmx_copy_page(to, from); | ||
| 120 | } | ||
| 121 | #else /* !CONFIG_X86_USE_3DNOW */ | ||
| 122 | #include <linux/string.h> | ||
| 123 | |||
| 124 | static inline void clear_page(void *page) | ||
| 125 | { | ||
| 126 | memset(page, 0, PAGE_SIZE); | ||
| 127 | } | ||
| 128 | |||
| 129 | static inline void copy_page(void *to, void *from) | ||
| 130 | { | ||
| 131 | memcpy(to, from, PAGE_SIZE); | ||
| 132 | } | ||
| 133 | #endif /* CONFIG_X86_3DNOW */ | ||
| 134 | #endif /* !__ASSEMBLY__ */ | ||
| 135 | |||
| 136 | #endif /* ASM_X86__PAGE_32_H */ | ||
