diff options
| -rw-r--r-- | arch/mn10300/include/asm/cacheflush.h | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/arch/mn10300/include/asm/cacheflush.h b/arch/mn10300/include/asm/cacheflush.h index b85be1d2fd32..0b5d00438374 100644 --- a/arch/mn10300/include/asm/cacheflush.h +++ b/arch/mn10300/include/asm/cacheflush.h | |||
| @@ -17,49 +17,7 @@ | |||
| 17 | #include <linux/mm.h> | 17 | #include <linux/mm.h> |
| 18 | 18 | ||
| 19 | /* | 19 | /* |
| 20 | * virtually-indexed cache management (our cache is physically indexed) | 20 | * Primitive routines |
| 21 | */ | ||
| 22 | #define flush_cache_all() do {} while (0) | ||
| 23 | #define flush_cache_mm(mm) do {} while (0) | ||
| 24 | #define flush_cache_dup_mm(mm) do {} while (0) | ||
| 25 | #define flush_cache_range(mm, start, end) do {} while (0) | ||
| 26 | #define flush_cache_page(vma, vmaddr, pfn) do {} while (0) | ||
| 27 | #define flush_cache_vmap(start, end) do {} while (0) | ||
| 28 | #define flush_cache_vunmap(start, end) do {} while (0) | ||
| 29 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 | ||
| 30 | #define flush_dcache_page(page) do {} while (0) | ||
| 31 | #define flush_dcache_mmap_lock(mapping) do {} while (0) | ||
| 32 | #define flush_dcache_mmap_unlock(mapping) do {} while (0) | ||
| 33 | |||
| 34 | /* | ||
| 35 | * physically-indexed cache management | ||
| 36 | */ | ||
| 37 | #ifdef CONFIG_MN10300_CACHE_ENABLED | ||
| 38 | |||
| 39 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
| 40 | extern void flush_icache_page(struct vm_area_struct *vma, struct page *pg); | ||
| 41 | |||
| 42 | #else | ||
| 43 | |||
| 44 | #define flush_icache_range(start, end) do {} while (0) | ||
| 45 | #define flush_icache_page(vma, pg) do {} while (0) | ||
| 46 | |||
| 47 | #endif | ||
| 48 | |||
| 49 | #define flush_icache_user_range(vma, pg, adr, len) \ | ||
| 50 | flush_icache_range(adr, adr + len) | ||
| 51 | |||
| 52 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
| 53 | do { \ | ||
| 54 | memcpy(dst, src, len); \ | ||
| 55 | flush_icache_page(vma, page); \ | ||
| 56 | } while (0) | ||
| 57 | |||
| 58 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
| 59 | memcpy(dst, src, len) | ||
| 60 | |||
| 61 | /* | ||
| 62 | * primitive routines | ||
| 63 | */ | 21 | */ |
| 64 | #ifdef CONFIG_MN10300_CACHE_ENABLED | 22 | #ifdef CONFIG_MN10300_CACHE_ENABLED |
| 65 | extern void mn10300_icache_inv(void); | 23 | extern void mn10300_icache_inv(void); |
| @@ -106,7 +64,49 @@ extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size); | |||
| 106 | #endif /* CONFIG_MN10300_CACHE_ENABLED */ | 64 | #endif /* CONFIG_MN10300_CACHE_ENABLED */ |
| 107 | 65 | ||
| 108 | /* | 66 | /* |
| 109 | * internal debugging function | 67 | * Virtually-indexed cache management (our cache is physically indexed) |
| 68 | */ | ||
| 69 | #define flush_cache_all() do {} while (0) | ||
| 70 | #define flush_cache_mm(mm) do {} while (0) | ||
| 71 | #define flush_cache_dup_mm(mm) do {} while (0) | ||
| 72 | #define flush_cache_range(mm, start, end) do {} while (0) | ||
| 73 | #define flush_cache_page(vma, vmaddr, pfn) do {} while (0) | ||
| 74 | #define flush_cache_vmap(start, end) do {} while (0) | ||
| 75 | #define flush_cache_vunmap(start, end) do {} while (0) | ||
| 76 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 | ||
| 77 | #define flush_dcache_page(page) do {} while (0) | ||
| 78 | #define flush_dcache_mmap_lock(mapping) do {} while (0) | ||
| 79 | #define flush_dcache_mmap_unlock(mapping) do {} while (0) | ||
| 80 | |||
| 81 | /* | ||
| 82 | * Physically-indexed cache management | ||
| 83 | */ | ||
| 84 | #ifdef CONFIG_MN10300_CACHE_ENABLED | ||
| 85 | |||
| 86 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
| 87 | extern void flush_icache_page(struct vm_area_struct *vma, struct page *pg); | ||
| 88 | |||
| 89 | #else | ||
| 90 | |||
| 91 | #define flush_icache_range(start, end) do {} while (0) | ||
| 92 | #define flush_icache_page(vma, pg) do {} while (0) | ||
| 93 | |||
| 94 | #endif | ||
| 95 | |||
| 96 | #define flush_icache_user_range(vma, pg, adr, len) \ | ||
| 97 | flush_icache_range(adr, adr + len) | ||
| 98 | |||
| 99 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
| 100 | do { \ | ||
| 101 | memcpy(dst, src, len); \ | ||
| 102 | flush_icache_page(vma, page); \ | ||
| 103 | } while (0) | ||
| 104 | |||
| 105 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
| 106 | memcpy(dst, src, len) | ||
| 107 | |||
| 108 | /* | ||
| 109 | * Internal debugging function | ||
| 110 | */ | 110 | */ |
| 111 | #ifdef CONFIG_DEBUG_PAGEALLOC | 111 | #ifdef CONFIG_DEBUG_PAGEALLOC |
| 112 | extern void kernel_map_pages(struct page *page, int numpages, int enable); | 112 | extern void kernel_map_pages(struct page *page, int numpages, int enable); |
