diff options
Diffstat (limited to 'include/asm-x86/page_32.h')
-rw-r--r-- | include/asm-x86/page_32.h | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h deleted file mode 100644 index ab8528793f08..000000000000 --- a/include/asm-x86/page_32.h +++ /dev/null | |||
@@ -1,129 +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 | |||
24 | #ifdef CONFIG_X86_PAE | ||
25 | /* 44=32+12, the limit we can fit into an unsigned long pfn */ | ||
26 | #define __PHYSICAL_MASK_SHIFT 44 | ||
27 | #define __VIRTUAL_MASK_SHIFT 32 | ||
28 | #define PAGETABLE_LEVELS 3 | ||
29 | |||
30 | #ifndef __ASSEMBLY__ | ||
31 | typedef u64 pteval_t; | ||
32 | typedef u64 pmdval_t; | ||
33 | typedef u64 pudval_t; | ||
34 | typedef u64 pgdval_t; | ||
35 | typedef u64 pgprotval_t; | ||
36 | typedef u64 phys_addr_t; | ||
37 | |||
38 | typedef union { | ||
39 | struct { | ||
40 | unsigned long pte_low, pte_high; | ||
41 | }; | ||
42 | pteval_t pte; | ||
43 | } pte_t; | ||
44 | #endif /* __ASSEMBLY__ | ||
45 | */ | ||
46 | #else /* !CONFIG_X86_PAE */ | ||
47 | #define __PHYSICAL_MASK_SHIFT 32 | ||
48 | #define __VIRTUAL_MASK_SHIFT 32 | ||
49 | #define PAGETABLE_LEVELS 2 | ||
50 | |||
51 | #ifndef __ASSEMBLY__ | ||
52 | typedef unsigned long pteval_t; | ||
53 | typedef unsigned long pmdval_t; | ||
54 | typedef unsigned long pudval_t; | ||
55 | typedef unsigned long pgdval_t; | ||
56 | typedef unsigned long pgprotval_t; | ||
57 | typedef unsigned long phys_addr_t; | ||
58 | |||
59 | typedef union { | ||
60 | pteval_t pte; | ||
61 | pteval_t pte_low; | ||
62 | } pte_t; | ||
63 | |||
64 | #endif /* __ASSEMBLY__ */ | ||
65 | #endif /* CONFIG_X86_PAE */ | ||
66 | |||
67 | #ifndef __ASSEMBLY__ | ||
68 | typedef struct page *pgtable_t; | ||
69 | #endif | ||
70 | |||
71 | #ifdef CONFIG_HUGETLB_PAGE | ||
72 | #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA | ||
73 | #endif | ||
74 | |||
75 | #ifndef __ASSEMBLY__ | ||
76 | #define __phys_addr(x) ((x) - PAGE_OFFSET) | ||
77 | #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) | ||
78 | |||
79 | #ifdef CONFIG_FLATMEM | ||
80 | #define pfn_valid(pfn) ((pfn) < max_mapnr) | ||
81 | #endif /* CONFIG_FLATMEM */ | ||
82 | |||
83 | extern int nx_enabled; | ||
84 | |||
85 | /* | ||
86 | * This much address space is reserved for vmalloc() and iomap() | ||
87 | * as well as fixmap mappings. | ||
88 | */ | ||
89 | extern unsigned int __VMALLOC_RESERVE; | ||
90 | extern int sysctl_legacy_va_layout; | ||
91 | |||
92 | #define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE) | ||
93 | #define MAXMEM (-__PAGE_OFFSET - __VMALLOC_RESERVE) | ||
94 | |||
95 | extern void find_low_pfn_range(void); | ||
96 | extern unsigned long init_memory_mapping(unsigned long start, | ||
97 | unsigned long end); | ||
98 | extern void initmem_init(unsigned long, unsigned long); | ||
99 | extern void setup_bootmem_allocator(void); | ||
100 | |||
101 | |||
102 | #ifdef CONFIG_X86_USE_3DNOW | ||
103 | #include <asm/mmx.h> | ||
104 | |||
105 | static inline void clear_page(void *page) | ||
106 | { | ||
107 | mmx_clear_page(page); | ||
108 | } | ||
109 | |||
110 | static inline void copy_page(void *to, void *from) | ||
111 | { | ||
112 | mmx_copy_page(to, from); | ||
113 | } | ||
114 | #else /* !CONFIG_X86_USE_3DNOW */ | ||
115 | #include <linux/string.h> | ||
116 | |||
117 | static inline void clear_page(void *page) | ||
118 | { | ||
119 | memset(page, 0, PAGE_SIZE); | ||
120 | } | ||
121 | |||
122 | static inline void copy_page(void *to, void *from) | ||
123 | { | ||
124 | memcpy(to, from, PAGE_SIZE); | ||
125 | } | ||
126 | #endif /* CONFIG_X86_3DNOW */ | ||
127 | #endif /* !__ASSEMBLY__ */ | ||
128 | |||
129 | #endif /* _ASM_X86_PAGE_32_H */ | ||