diff options
author | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-10-21 11:45:58 -0400 |
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committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-10-29 12:29:44 -0400 |
commit | 556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (patch) | |
tree | 26485b0d92eedcba6c0c96d4069469041aaf7106 /arch/cris/include/asm/page.h | |
parent | 242bfafc8e42da4697c1e2dea108049d14dbac4b (diff) |
[CRIS] Move header files from include to arch/cris/include.
Change all users of header files to correct path.
Remove some unneeded headers for arch-v32.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/include/asm/page.h')
-rw-r--r-- | arch/cris/include/asm/page.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/cris/include/asm/page.h b/arch/cris/include/asm/page.h new file mode 100644 index 000000000000..f3fdbd09c34c --- /dev/null +++ b/arch/cris/include/asm/page.h | |||
@@ -0,0 +1,74 @@ | |||
1 | #ifndef _CRIS_PAGE_H | ||
2 | #define _CRIS_PAGE_H | ||
3 | |||
4 | #include <arch/page.h> | ||
5 | #include <linux/const.h> | ||
6 | |||
7 | /* PAGE_SHIFT determines the page size */ | ||
8 | #define PAGE_SHIFT 13 | ||
9 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) | ||
10 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
11 | |||
12 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) | ||
13 | #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) | ||
14 | |||
15 | #define clear_user_page(page, vaddr, pg) clear_page(page) | ||
16 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | ||
17 | |||
18 | #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ | ||
19 | alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) | ||
20 | #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE | ||
21 | |||
22 | /* | ||
23 | * These are used to make use of C type-checking.. | ||
24 | */ | ||
25 | #ifndef __ASSEMBLY__ | ||
26 | typedef struct { unsigned long pte; } pte_t; | ||
27 | typedef struct { unsigned long pgd; } pgd_t; | ||
28 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
29 | typedef struct page *pgtable_t; | ||
30 | #endif | ||
31 | |||
32 | #define pte_val(x) ((x).pte) | ||
33 | #define pgd_val(x) ((x).pgd) | ||
34 | #define pgprot_val(x) ((x).pgprot) | ||
35 | |||
36 | #define __pte(x) ((pte_t) { (x) } ) | ||
37 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
38 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
39 | |||
40 | /* On CRIS the PFN numbers doesn't start at 0 so we have to compensate */ | ||
41 | /* for that before indexing into the page table starting at mem_map */ | ||
42 | #define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) | ||
43 | #define pfn_valid(pfn) (((pfn) - (PAGE_OFFSET >> PAGE_SHIFT)) < max_mapnr) | ||
44 | |||
45 | /* to index into the page map. our pages all start at physical addr PAGE_OFFSET so | ||
46 | * we can let the map start there. notice that we subtract PAGE_OFFSET because | ||
47 | * we start our mem_map there - in other ports they map mem_map physically and | ||
48 | * use __pa instead. in our system both the physical and virtual address of DRAM | ||
49 | * is too high to let mem_map start at 0, so we do it this way instead (similar | ||
50 | * to arm and m68k I think) | ||
51 | */ | ||
52 | |||
53 | #define virt_to_page(kaddr) (mem_map + (((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT)) | ||
54 | #define VALID_PAGE(page) (((page) - mem_map) < max_mapnr) | ||
55 | #define virt_addr_valid(kaddr) pfn_valid((unsigned)(kaddr) >> PAGE_SHIFT) | ||
56 | |||
57 | /* convert a page (based on mem_map and forward) to a physical address | ||
58 | * do this by figuring out the virtual address and then use __pa | ||
59 | */ | ||
60 | |||
61 | #define page_to_phys(page) __pa((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) | ||
62 | |||
63 | #ifndef __ASSEMBLY__ | ||
64 | |||
65 | #endif /* __ASSEMBLY__ */ | ||
66 | |||
67 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
68 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
69 | |||
70 | #include <asm-generic/memory_model.h> | ||
71 | #include <asm-generic/page.h> | ||
72 | |||
73 | #endif /* _CRIS_PAGE_H */ | ||
74 | |||