[linux-2.6-block.git] / include / asm-sh64 / cacheflush.h

#ifndef __ASM_SH64_CACHEFLUSH_H
#define __ASM_SH64_CACHEFLUSH_H

#ifndef __ASSEMBLY__

#include <asm/page.h>

struct vm_area_struct;
struct page;
struct mm_struct;

extern void flush_cache_all(void);
extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
			      unsigned long end);
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
extern void flush_dcache_page(struct page *pg);
extern void flush_icache_range(unsigned long start, unsigned long end);
extern void flush_icache_user_range(struct vm_area_struct *vma,
				    struct page *page, unsigned long addr,
				    int len);

#define flush_cache_dup_mm(mm)	flush_cache_mm(mm)

#define flush_dcache_mmap_lock(mapping)		do { } while (0)
#define flush_dcache_mmap_unlock(mapping)	do { } while (0)

#define flush_cache_vmap(start, end)		flush_cache_all()
#define flush_cache_vunmap(start, end)		flush_cache_all()

#define flush_icache_page(vma, page)	do { } while (0)

#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 /* __ASSEMBLY__ */

#endif /* __ASM_SH64_CACHEFLUSH_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH64_CACHEFLUSH_H
	2	#define __ASM_SH64_CACHEFLUSH_H
	3
	4	#ifndef __ASSEMBLY__
	5
	6	#include <asm/page.h>
	7
	8	struct vm_area_struct;
	9	struct page;
	10	struct mm_struct;
	11
	12	extern void flush_cache_all(void);
	13	extern void flush_cache_mm(struct mm_struct *mm);
	14	extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
	15	extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
	16	unsigned long end);
	17	extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
	18	extern void flush_dcache_page(struct page *pg);
	19	extern void flush_icache_range(unsigned long start, unsigned long end);
	20	extern void flush_icache_user_range(struct vm_area_struct *vma,
	21	struct page *page, unsigned long addr,
	22	int len);
	23
ec8c0446 RB	24	#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
ec8c0446 RB	25
1da177e4 LT	26	#define flush_dcache_mmap_lock(mapping) do { } while (0)
	27	#define flush_dcache_mmap_unlock(mapping) do { } while (0)
	28
	29	#define flush_cache_vmap(start, end) flush_cache_all()
	30	#define flush_cache_vunmap(start, end) flush_cache_all()
	31
	32	#define flush_icache_page(vma, page) do { } while (0)
	33
	34	#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
	35	do { \
	36	flush_cache_page(vma, vaddr, page_to_pfn(page));\
	37	memcpy(dst, src, len); \
	38	flush_icache_user_range(vma, page, vaddr, len); \
	39	} while (0)
	40
	41	#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
	42	do { \
	43	flush_cache_page(vma, vaddr, page_to_pfn(page));\
	44	memcpy(dst, src, len); \
	45	} while (0)
	46
	47	#endif /* __ASSEMBLY__ */
	48
	49	#endif /* __ASM_SH64_CACHEFLUSH_H */
	50