Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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) */
8extern void __flush_wback_region(void *start, int size);
9/* Flush (write-back & invalidate) a region (smaller than a page) */
10extern void __flush_purge_region(void *start, int size);
11/* Flush (invalidate only) a region (smaller than a page) */
12extern 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 */