diff options
Diffstat (limited to 'arch/microblaze/include/asm/cacheflush.h')
| -rw-r--r-- | arch/microblaze/include/asm/cacheflush.h | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index 7ebd955460d..ffea82a16d2 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -84,12 +84,13 @@ do { \ #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) - #define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) #define flush_cache_vunmap(start, end) do { } while (0) #define flush_cache_mm(mm) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) + +#define flush_cache_page(vma, vmaddr, pfn) \ + flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE); /* MS: kgdb code use this macro, wrong len with FLASH */ #if 0 @@ -101,17 +102,23 @@ do { \ #define flush_cache_range(vma, start, len) do { } while (0) -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ -do { \ - u32 addr = virt_to_phys(dst); \ - invalidate_icache_range((unsigned) (addr), (unsigned) (addr) + (len));\ - memcpy((dst), (src), (len)); \ - flush_dcache_range((unsigned) (addr), (unsigned) (addr) + (len));\ -} while (0) - -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ -do { \ - memcpy((dst), (src), (len)); \ -} while (0) +static inline void copy_to_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + u32 addr = virt_to_phys(dst); + memcpy(dst, src, len); + if (vma->vm_flags & VM_EXEC) { + invalidate_icache_range(addr, addr + PAGE_SIZE); + flush_dcache_range(addr, addr + PAGE_SIZE); + } +} + +static inline void copy_from_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + memcpy(dst, src, len); +} #endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */ |