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author | Ingo Molnar <mingo@elte.hu> | 2008-10-24 06:48:46 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-24 06:48:46 -0400 |
commit | 8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch) | |
tree | d535f46a917e14e90deccb29ad00aac016ad18dd /include/asm-x86/page_32.h | |
parent | 4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff) | |
parent | 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff) |
Merge commit 'v2.6.28-rc1' into sched/urgent
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 */ | ||