]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef __ASM_SH_CACHEFLUSH_H |
2 | #define __ASM_SH_CACHEFLUSH_H | |
3 | #ifdef __KERNEL__ | |
4 | ||
5 | #include <asm/cpu/cacheflush.h> | |
6 | ||
7 | /* Flush (write-back only) a region (smaller than a page) */ | |
8 | extern void __flush_wback_region(void *start, int size); | |
9 | /* Flush (write-back & invalidate) a region (smaller than a page) */ | |
10 | extern void __flush_purge_region(void *start, int size); | |
11 | /* Flush (invalidate only) a region (smaller than a page) */ | |
12 | extern void __flush_invalidate_region(void *start, int size); | |
13 | ||
14 | #define flush_cache_vmap(start, end) flush_cache_all() | |
15 | #define flush_cache_vunmap(start, end) flush_cache_all() | |
16 | ||
17 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | |
18 | do { \ | |
19 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | |
20 | memcpy(dst, src, len); \ | |
21 | flush_icache_user_range(vma, page, vaddr, len); \ | |
22 | } while (0) | |
23 | ||
24 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | |
25 | do { \ | |
26 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | |
27 | memcpy(dst, src, len); \ | |
28 | } while (0) | |
29 | ||
30 | #endif /* __KERNEL__ */ | |
31 | #endif /* __ASM_SH_CACHEFLUSH_H */ |