diff options
author | Bryan Wu <cooloney@kernel.org> | 2008-08-26 22:51:02 -0400 |
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committer | Bryan Wu <cooloney@kernel.org> | 2008-08-26 22:51:02 -0400 |
commit | 639f6571458948b5112be2cf00c0c2c04db2897d (patch) | |
tree | a4dd7af33d0e92c935ba1e904f6fb7e923ac825e /arch/blackfin/include/asm/page.h | |
parent | 3d9b7a5ce534f3963afcf8f4777267e5899fe007 (diff) |
Blackfin arch: move include/asm-blackfin header files to arch/blackfin
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/page.h')
-rw-r--r-- | arch/blackfin/include/asm/page.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h new file mode 100644 index 000000000000..344f6a8c1f22 --- /dev/null +++ b/arch/blackfin/include/asm/page.h | |||
@@ -0,0 +1,88 @@ | |||
1 | #ifndef _BLACKFIN_PAGE_H | ||
2 | #define _BLACKFIN_PAGE_H | ||
3 | |||
4 | /* PAGE_SHIFT determines the page size */ | ||
5 | |||
6 | #define PAGE_SHIFT 12 | ||
7 | #ifdef __ASSEMBLY__ | ||
8 | #define PAGE_SIZE (1 << PAGE_SHIFT) | ||
9 | #else | ||
10 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | ||
11 | #endif | ||
12 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
13 | |||
14 | #include <asm/setup.h> | ||
15 | |||
16 | #ifndef __ASSEMBLY__ | ||
17 | |||
18 | #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) | ||
19 | #define free_user_page(page, addr) free_page(addr) | ||
20 | |||
21 | #define clear_page(page) memset((page), 0, PAGE_SIZE) | ||
22 | #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) | ||
23 | |||
24 | #define clear_user_page(page, vaddr,pg) clear_page(page) | ||
25 | #define copy_user_page(to, from, vaddr,pg) copy_page(to, from) | ||
26 | |||
27 | /* | ||
28 | * These are used to make use of C type-checking.. | ||
29 | */ | ||
30 | typedef struct { | ||
31 | unsigned long pte; | ||
32 | } pte_t; | ||
33 | typedef struct { | ||
34 | unsigned long pmd[16]; | ||
35 | } pmd_t; | ||
36 | typedef struct { | ||
37 | unsigned long pgd; | ||
38 | } pgd_t; | ||
39 | typedef struct { | ||
40 | unsigned long pgprot; | ||
41 | } pgprot_t; | ||
42 | typedef struct page *pgtable_t; | ||
43 | |||
44 | #define pte_val(x) ((x).pte) | ||
45 | #define pmd_val(x) ((&x)->pmd[0]) | ||
46 | #define pgd_val(x) ((x).pgd) | ||
47 | #define pgprot_val(x) ((x).pgprot) | ||
48 | |||
49 | #define __pte(x) ((pte_t) { (x) } ) | ||
50 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
51 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
52 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
53 | |||
54 | extern unsigned long memory_start; | ||
55 | extern unsigned long memory_end; | ||
56 | |||
57 | #endif /* !__ASSEMBLY__ */ | ||
58 | |||
59 | #include <asm/page_offset.h> | ||
60 | #include <asm/io.h> | ||
61 | |||
62 | #define PAGE_OFFSET (PAGE_OFFSET_RAW) | ||
63 | |||
64 | #ifndef __ASSEMBLY__ | ||
65 | |||
66 | #define __pa(vaddr) virt_to_phys((void *)(vaddr)) | ||
67 | #define __va(paddr) phys_to_virt((unsigned long)(paddr)) | ||
68 | |||
69 | #define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT) | ||
70 | |||
71 | #define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) | ||
72 | #define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) | ||
73 | #define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) | ||
74 | #define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) | ||
75 | #define VALID_PAGE(page) ((page - mem_map) < max_mapnr) | ||
76 | |||
77 | #define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn)) | ||
78 | #define page_to_pfn(page) virt_to_pfn(page_to_virt(page)) | ||
79 | #define pfn_valid(pfn) ((pfn) < max_mapnr) | ||
80 | |||
81 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ | ||
82 | ((void *)(kaddr) < (void *)memory_end)) | ||
83 | |||
84 | #include <asm-generic/page.h> | ||
85 | |||
86 | #endif /* __ASSEMBLY__ */ | ||
87 | |||
88 | #endif /* _BLACKFIN_PAGE_H */ | ||