[linux-2.6-block.git] / include / asm-sh / cacheflush.h

#ifndef __ASM_SH_CACHEFLUSH_H
#define __ASM_SH_CACHEFLUSH_H
#ifdef __KERNEL__

#include <linux/mm.h>
#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)

#define HAVE_ARCH_UNMAPPED_AREA

#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHEFLUSH_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH_CACHEFLUSH_H
	2	#define __ASM_SH_CACHEFLUSH_H
	3	#ifdef __KERNEL__
	4
26ff6c11	5	#include <linux/mm.h>
1da177e4 LT	6	#include <asm/cpu/cacheflush.h>
	7
	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);
	14
	15	#define flush_cache_vmap(start, end) flush_cache_all()
	16	#define flush_cache_vunmap(start, end) flush_cache_all()
	17
	18	#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
	19	do { \
	20	flush_cache_page(vma, vaddr, page_to_pfn(page));\
	21	memcpy(dst, src, len); \
	22	flush_icache_user_range(vma, page, vaddr, len); \
	23	} while (0)
	24
	25	#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
	26	do { \
	27	flush_cache_page(vma, vaddr, page_to_pfn(page));\
	28	memcpy(dst, src, len); \
	29	} while (0)
	30
f3c25758 PM	31	#define HAVE_ARCH_UNMAPPED_AREA
f3c25758 PM	32
1da177e4 LT	33	#endif /* __KERNEL__ */
1da177e4 LT	34	#endif /* __ASM_SH_CACHEFLUSH_H */