diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/page_64.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/page_64.h')
-rw-r--r-- | include/asm-x86/page_64.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h new file mode 100644 index 000000000000..88adf1afb0a2 --- /dev/null +++ b/include/asm-x86/page_64.h | |||
@@ -0,0 +1,143 @@ | |||
1 | #ifndef _X86_64_PAGE_H | ||
2 | #define _X86_64_PAGE_H | ||
3 | |||
4 | #include <linux/const.h> | ||
5 | |||
6 | /* PAGE_SHIFT determines the page size */ | ||
7 | #define PAGE_SHIFT 12 | ||
8 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | ||
9 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
10 | #define PHYSICAL_PAGE_MASK (~(PAGE_SIZE-1) & __PHYSICAL_MASK) | ||
11 | |||
12 | #define THREAD_ORDER 1 | ||
13 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
14 | #define CURRENT_MASK (~(THREAD_SIZE-1)) | ||
15 | |||
16 | #define EXCEPTION_STACK_ORDER 0 | ||
17 | #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) | ||
18 | |||
19 | #define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) | ||
20 | #define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) | ||
21 | |||
22 | #define IRQSTACK_ORDER 2 | ||
23 | #define IRQSTACKSIZE (PAGE_SIZE << IRQSTACK_ORDER) | ||
24 | |||
25 | #define STACKFAULT_STACK 1 | ||
26 | #define DOUBLEFAULT_STACK 2 | ||
27 | #define NMI_STACK 3 | ||
28 | #define DEBUG_STACK 4 | ||
29 | #define MCE_STACK 5 | ||
30 | #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ | ||
31 | |||
32 | #define LARGE_PAGE_MASK (~(LARGE_PAGE_SIZE-1)) | ||
33 | #define LARGE_PAGE_SIZE (_AC(1,UL) << PMD_SHIFT) | ||
34 | |||
35 | #define HPAGE_SHIFT PMD_SHIFT | ||
36 | #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) | ||
37 | #define HPAGE_MASK (~(HPAGE_SIZE - 1)) | ||
38 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) | ||
39 | |||
40 | #ifdef __KERNEL__ | ||
41 | #ifndef __ASSEMBLY__ | ||
42 | |||
43 | extern unsigned long end_pfn; | ||
44 | |||
45 | void clear_page(void *); | ||
46 | void copy_page(void *, void *); | ||
47 | |||
48 | #define clear_user_page(page, vaddr, pg) clear_page(page) | ||
49 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | ||
50 | |||
51 | #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ | ||
52 | alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) | ||
53 | #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE | ||
54 | /* | ||
55 | * These are used to make use of C type-checking.. | ||
56 | */ | ||
57 | typedef struct { unsigned long pte; } pte_t; | ||
58 | typedef struct { unsigned long pmd; } pmd_t; | ||
59 | typedef struct { unsigned long pud; } pud_t; | ||
60 | typedef struct { unsigned long pgd; } pgd_t; | ||
61 | #define PTE_MASK PHYSICAL_PAGE_MASK | ||
62 | |||
63 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
64 | |||
65 | extern unsigned long phys_base; | ||
66 | |||
67 | #define pte_val(x) ((x).pte) | ||
68 | #define pmd_val(x) ((x).pmd) | ||
69 | #define pud_val(x) ((x).pud) | ||
70 | #define pgd_val(x) ((x).pgd) | ||
71 | #define pgprot_val(x) ((x).pgprot) | ||
72 | |||
73 | #define __pte(x) ((pte_t) { (x) } ) | ||
74 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
75 | #define __pud(x) ((pud_t) { (x) } ) | ||
76 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
77 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
78 | |||
79 | #endif /* !__ASSEMBLY__ */ | ||
80 | |||
81 | #define __PHYSICAL_START CONFIG_PHYSICAL_START | ||
82 | #define __KERNEL_ALIGN 0x200000 | ||
83 | |||
84 | /* | ||
85 | * Make sure kernel is aligned to 2MB address. Catching it at compile | ||
86 | * time is better. Change your config file and compile the kernel | ||
87 | * for a 2MB aligned address (CONFIG_PHYSICAL_START) | ||
88 | */ | ||
89 | #if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 | ||
90 | #error "CONFIG_PHYSICAL_START must be a multiple of 2MB" | ||
91 | #endif | ||
92 | |||
93 | #define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) | ||
94 | #define __START_KERNEL_map _AC(0xffffffff80000000, UL) | ||
95 | #define __PAGE_OFFSET _AC(0xffff810000000000, UL) | ||
96 | |||
97 | /* to align the pointer to the (next) page boundary */ | ||
98 | #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) | ||
99 | |||
100 | /* See Documentation/x86_64/mm.txt for a description of the memory map. */ | ||
101 | #define __PHYSICAL_MASK_SHIFT 46 | ||
102 | #define __PHYSICAL_MASK ((_AC(1,UL) << __PHYSICAL_MASK_SHIFT) - 1) | ||
103 | #define __VIRTUAL_MASK_SHIFT 48 | ||
104 | #define __VIRTUAL_MASK ((_AC(1,UL) << __VIRTUAL_MASK_SHIFT) - 1) | ||
105 | |||
106 | #define KERNEL_TEXT_SIZE (40*1024*1024) | ||
107 | #define KERNEL_TEXT_START _AC(0xffffffff80000000, UL) | ||
108 | #define PAGE_OFFSET __PAGE_OFFSET | ||
109 | |||
110 | #ifndef __ASSEMBLY__ | ||
111 | |||
112 | #include <asm/bug.h> | ||
113 | |||
114 | extern unsigned long __phys_addr(unsigned long); | ||
115 | |||
116 | #endif /* __ASSEMBLY__ */ | ||
117 | |||
118 | #define __pa(x) __phys_addr((unsigned long)(x)) | ||
119 | #define __pa_symbol(x) __phys_addr((unsigned long)(x)) | ||
120 | |||
121 | #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) | ||
122 | #define __boot_va(x) __va(x) | ||
123 | #define __boot_pa(x) __pa(x) | ||
124 | #ifdef CONFIG_FLATMEM | ||
125 | #define pfn_valid(pfn) ((pfn) < end_pfn) | ||
126 | #endif | ||
127 | |||
128 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) | ||
129 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | ||
130 | #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) | ||
131 | |||
132 | #define VM_DATA_DEFAULT_FLAGS \ | ||
133 | (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ | ||
134 | VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
135 | |||
136 | #define __HAVE_ARCH_GATE_AREA 1 | ||
137 | |||
138 | #include <asm-generic/memory_model.h> | ||
139 | #include <asm-generic/page.h> | ||
140 | |||
141 | #endif /* __KERNEL__ */ | ||
142 | |||
143 | #endif /* _X86_64_PAGE_H */ | ||