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 @@ +#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_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 */ + |