1 #ifndef __ASM_SH_CACHEFLUSH_H
2 #define __ASM_SH_CACHEFLUSH_H
6 #include <asm/cpu/cacheflush.h>
8 /* Flush (write-back only) a region (smaller than a page) */
9 extern void __flush_wback_region(void *start, int size);
10 /* Flush (write-back & invalidate) a region (smaller than a page) */
11 extern void __flush_purge_region(void *start, int size);
12 /* Flush (invalidate only) a region (smaller than a page) */
13 extern void __flush_invalidate_region(void *start, int size);
15 #define flush_cache_vmap(start, end) flush_cache_all()
16 #define flush_cache_vunmap(start, end) flush_cache_all()
18 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
20 flush_cache_page(vma, vaddr, page_to_pfn(page));\
21 memcpy(dst, src, len); \
22 flush_icache_user_range(vma, page, vaddr, len); \
25 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
27 flush_cache_page(vma, vaddr, page_to_pfn(page));\
28 memcpy(dst, src, len); \
31 #define HAVE_ARCH_UNMAPPED_AREA
33 #endif /* __KERNEL__ */
34 #endif /* __ASM_SH_CACHEFLUSH_H */