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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_SH_CACHEFLUSH_H
2#define __ASM_SH_CACHEFLUSH_H
3#ifdef __KERNEL__
4
Paul Mundt26ff6c12006-09-27 15:13:36 +09005#include <linux/mm.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006#include <asm/cpu/cacheflush.h>
7
8/* Flush (write-back only) a region (smaller than a page) */
9extern void __flush_wback_region(void *start, int size);
10/* Flush (write-back & invalidate) a region (smaller than a page) */
11extern void __flush_purge_region(void *start, int size);
12/* Flush (invalidate only) a region (smaller than a page) */
13extern 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
Paul Mundtf3c25752006-09-27 18:36:17 +090031#define HAVE_ARCH_UNMAPPED_AREA
32
Linus Torvalds1da177e2005-04-16 15:20:36 -070033#endif /* __KERNEL__ */
34#endif /* __ASM_SH_CACHEFLUSH_H */