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