diff options
Diffstat (limited to 'include/asm-sh/cacheflush.h')
-rw-r--r-- | include/asm-sh/cacheflush.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/asm-sh/cacheflush.h b/include/asm-sh/cacheflush.h deleted file mode 100644 index e034c3604111..000000000000 --- a/include/asm-sh/cacheflush.h +++ /dev/null | |||
@@ -1,81 +0,0 @@ | |||
1 | #ifndef __ASM_SH_CACHEFLUSH_H | ||
2 | #define __ASM_SH_CACHEFLUSH_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | #ifdef CONFIG_CACHE_OFF | ||
7 | /* | ||
8 | * Nothing to do when the cache is disabled, initial flush and explicit | ||
9 | * disabling is handled at CPU init time. | ||
10 | * | ||
11 | * See arch/sh/kernel/cpu/init.c:cache_init(). | ||
12 | */ | ||
13 | #define p3_cache_init() do { } while (0) | ||
14 | #define flush_cache_all() do { } while (0) | ||
15 | #define flush_cache_mm(mm) do { } while (0) | ||
16 | #define flush_cache_dup_mm(mm) do { } while (0) | ||
17 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
18 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
19 | #define flush_dcache_page(page) do { } while (0) | ||
20 | #define flush_icache_range(start, end) do { } while (0) | ||
21 | #define flush_icache_page(vma,pg) do { } while (0) | ||
22 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
23 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
24 | #define flush_cache_sigtramp(vaddr) do { } while (0) | ||
25 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
26 | #define __flush_wback_region(start, size) do { (void)(start); } while (0) | ||
27 | #define __flush_purge_region(start, size) do { (void)(start); } while (0) | ||
28 | #define __flush_invalidate_region(start, size) do { (void)(start); } while (0) | ||
29 | #else | ||
30 | #include <asm/cpu/cacheflush.h> | ||
31 | |||
32 | /* | ||
33 | * Consistent DMA requires that the __flush_xxx() primitives must be set | ||
34 | * for any of the enabled non-coherent caches (most of the UP CPUs), | ||
35 | * regardless of PIPT or VIPT cache configurations. | ||
36 | */ | ||
37 | |||
38 | /* Flush (write-back only) a region (smaller than a page) */ | ||
39 | extern void __flush_wback_region(void *start, int size); | ||
40 | /* Flush (write-back & invalidate) a region (smaller than a page) */ | ||
41 | extern void __flush_purge_region(void *start, int size); | ||
42 | /* Flush (invalidate only) a region (smaller than a page) */ | ||
43 | extern void __flush_invalidate_region(void *start, int size); | ||
44 | #endif | ||
45 | |||
46 | #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE | ||
47 | static inline void flush_kernel_dcache_page(struct page *page) | ||
48 | { | ||
49 | flush_dcache_page(page); | ||
50 | } | ||
51 | |||
52 | #if defined(CONFIG_CPU_SH4) && !defined(CONFIG_CACHE_OFF) | ||
53 | extern void copy_to_user_page(struct vm_area_struct *vma, | ||
54 | struct page *page, unsigned long vaddr, void *dst, const void *src, | ||
55 | unsigned long len); | ||
56 | |||
57 | extern void copy_from_user_page(struct vm_area_struct *vma, | ||
58 | struct page *page, unsigned long vaddr, void *dst, const void *src, | ||
59 | unsigned long len); | ||
60 | #else | ||
61 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
62 | do { \ | ||
63 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
64 | memcpy(dst, src, len); \ | ||
65 | flush_icache_user_range(vma, page, vaddr, len); \ | ||
66 | } while (0) | ||
67 | |||
68 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
69 | do { \ | ||
70 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
71 | memcpy(dst, src, len); \ | ||
72 | } while (0) | ||
73 | #endif | ||
74 | |||
75 | #define flush_cache_vmap(start, end) flush_cache_all() | ||
76 | #define flush_cache_vunmap(start, end) flush_cache_all() | ||
77 | |||
78 | #define HAVE_ARCH_UNMAPPED_AREA | ||
79 | |||
80 | #endif /* __KERNEL__ */ | ||
81 | #endif /* __ASM_SH_CACHEFLUSH_H */ | ||