diff options
Diffstat (limited to 'include/asm-sh64/cacheflush.h')
-rw-r--r-- | include/asm-sh64/cacheflush.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-sh64/cacheflush.h b/include/asm-sh64/cacheflush.h new file mode 100644 index 000000000000..55f71aa0aa6b --- /dev/null +++ b/include/asm-sh64/cacheflush.h | |||
@@ -0,0 +1,48 @@ | |||
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 | |||
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 | |||