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1da177e4 LT |
1 | #ifndef __ASM_SH64_CACHEFLUSH_H |
2 | #define __ASM_SH64_CACHEFLUSH_H | |
3 | ||
4 | #ifndef __ASSEMBLY__ | |
5 | ||
6 | #include <asm/page.h> | |
7 | ||
8 | struct vm_area_struct; | |
9 | struct page; | |
10 | struct mm_struct; | |
11 | ||
12 | extern void flush_cache_all(void); | |
13 | extern void flush_cache_mm(struct mm_struct *mm); | |
14 | extern void flush_cache_sigtramp(unsigned long start, unsigned long end); | |
15 | extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, | |
16 | unsigned long end); | |
17 | extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); | |
18 | extern void flush_dcache_page(struct page *pg); | |
19 | extern void flush_icache_range(unsigned long start, unsigned long end); | |
20 | extern void flush_icache_user_range(struct vm_area_struct *vma, | |
21 | struct page *page, unsigned long addr, | |
22 | int len); | |
23 | ||
24 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | |
25 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | |
26 | ||
27 | #define flush_cache_vmap(start, end) flush_cache_all() | |
28 | #define flush_cache_vunmap(start, end) flush_cache_all() | |
29 | ||
30 | #define flush_icache_page(vma, page) do { } while (0) | |
31 | ||
32 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | |
33 | do { \ | |
34 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | |
35 | memcpy(dst, src, len); \ | |
36 | flush_icache_user_range(vma, page, vaddr, len); \ | |
37 | } while (0) | |
38 | ||
39 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | |
40 | do { \ | |
41 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | |
42 | memcpy(dst, src, len); \ | |
43 | } while (0) | |
44 | ||
45 | #endif /* __ASSEMBLY__ */ | |
46 | ||
47 | #endif /* __ASM_SH64_CACHEFLUSH_H */ | |
48 |