#ifndef __ASM_SH_CACHEFLUSH_H #define __ASM_SH_CACHEFLUSH_H #ifdef __KERNEL__ #include <asm/cpu/cacheflush.h> /* Flush (write-back only) a region (smaller than a page) */ extern void __flush_wback_region(void *start, int size); /* Flush (write-back & invalidate) a region (smaller than a page) */ extern void __flush_purge_region(void *start, int size); /* Flush (invalidate only) a region (smaller than a page) */ extern void __flush_invalidate_region(void *start, int size); #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vunmap(start, end) flush_cache_all() #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ flush_cache_page(vma, vaddr, page_to_pfn(page));\ memcpy(dst, src, len); \ flush_icache_user_range(vma, page, vaddr, len); \ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ do { \ flush_cache_page(vma, vaddr, page_to_pfn(page));\ memcpy(dst, src, len); \ } while (0) #endif /* __KERNEL__ */ #endif /* __ASM_SH_CACHEFLUSH_H */