diff options
Diffstat (limited to 'include/asm-sh/cpu-sh3/cacheflush.h')
| -rw-r--r-- | include/asm-sh/cpu-sh3/cacheflush.h | 52 |
1 files changed, 16 insertions, 36 deletions
diff --git a/include/asm-sh/cpu-sh3/cacheflush.h b/include/asm-sh/cpu-sh3/cacheflush.h index f51aed00c68f..03fde97a7fd0 100644 --- a/include/asm-sh/cpu-sh3/cacheflush.h +++ b/include/asm-sh/cpu-sh3/cacheflush.h | |||
| @@ -10,7 +10,7 @@ | |||
| 10 | #ifndef __ASM_CPU_SH3_CACHEFLUSH_H | 10 | #ifndef __ASM_CPU_SH3_CACHEFLUSH_H |
| 11 | #define __ASM_CPU_SH3_CACHEFLUSH_H | 11 | #define __ASM_CPU_SH3_CACHEFLUSH_H |
| 12 | 12 | ||
| 13 | /* | 13 | /* |
| 14 | * Cache flushing: | 14 | * Cache flushing: |
| 15 | * | 15 | * |
| 16 | * - flush_cache_all() flushes entire cache | 16 | * - flush_cache_all() flushes entire cache |
| @@ -35,53 +35,33 @@ | |||
| 35 | /* 32KB cache, 4kb PAGE sizes need to check bit 12 */ | 35 | /* 32KB cache, 4kb PAGE sizes need to check bit 12 */ |
| 36 | #define CACHE_ALIAS 0x00001000 | 36 | #define CACHE_ALIAS 0x00001000 |
| 37 | 37 | ||
| 38 | struct page; | ||
| 39 | struct mm_struct; | ||
| 40 | struct vm_area_struct; | ||
| 41 | |||
| 42 | extern void flush_cache_all(void); | ||
| 43 | extern void flush_cache_mm(struct mm_struct *mm); | ||
| 44 | extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, | ||
| 45 | unsigned long end); | ||
| 46 | extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); | ||
| 47 | extern void flush_dcache_page(struct page *pg); | ||
| 48 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
| 49 | extern void flush_icache_page(struct vm_area_struct *vma, struct page *page); | ||
| 50 | |||
| 51 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
| 52 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
| 53 | |||
| 54 | /* SH3 has unified cache so no special action needed here */ | ||
| 55 | #define flush_cache_sigtramp(vaddr) do { } while (0) | ||
| 56 | #define flush_page_to_ram(page) do { } while (0) | ||
| 57 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
| 58 | |||
| 59 | #define p3_cache_init() do { } while (0) | ||
| 60 | |||
| 61 | #define PG_mapped PG_arch_1 | 38 | #define PG_mapped PG_arch_1 |
| 62 | 39 | ||
| 63 | /* We provide our own get_unmapped_area to avoid cache alias issue */ | 40 | void flush_cache_all(void); |
| 64 | #define HAVE_ARCH_UNMAPPED_AREA | 41 | void flush_cache_mm(struct mm_struct *mm); |
| 65 | 42 | void flush_cache_range(struct vm_area_struct *vma, unsigned long start, | |
| 43 | unsigned long end); | ||
| 44 | void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); | ||
| 45 | void flush_dcache_page(struct page *pg); | ||
| 46 | void flush_icache_range(unsigned long start, unsigned long end); | ||
| 47 | void flush_icache_page(struct vm_area_struct *vma, struct page *page); | ||
| 66 | #else | 48 | #else |
| 67 | |||
| 68 | #define flush_cache_all() do { } while (0) | 49 | #define flush_cache_all() do { } while (0) |
| 69 | #define flush_cache_mm(mm) do { } while (0) | 50 | #define flush_cache_mm(mm) do { } while (0) |
| 70 | #define flush_cache_range(vma, start, end) do { } while (0) | 51 | #define flush_cache_range(vma, start, end) do { } while (0) |
| 71 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | 52 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) |
| 72 | #define flush_dcache_page(page) do { } while (0) | 53 | #define flush_dcache_page(page) do { } while (0) |
| 73 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
| 74 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
| 75 | #define flush_icache_range(start, end) do { } while (0) | 54 | #define flush_icache_range(start, end) do { } while (0) |
| 76 | #define flush_icache_page(vma,pg) do { } while (0) | 55 | #define flush_icache_page(vma,pg) do { } while (0) |
| 77 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | 56 | #endif |
| 78 | #define flush_cache_sigtramp(vaddr) do { } while (0) | ||
| 79 | 57 | ||
| 80 | #define p3_cache_init() do { } while (0) | 58 | #define flush_dcache_mmap_lock(mapping) do { } while (0) |
| 59 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
| 81 | 60 | ||
| 82 | #define HAVE_ARCH_UNMAPPED_AREA | 61 | /* SH3 has unified cache so no special action needed here */ |
| 62 | #define flush_cache_sigtramp(vaddr) do { } while (0) | ||
| 63 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
| 83 | 64 | ||
| 84 | #endif | 65 | #define p3_cache_init() do { } while (0) |
| 85 | 66 | ||
| 86 | #endif /* __ASM_CPU_SH3_CACHEFLUSH_H */ | 67 | #endif /* __ASM_CPU_SH3_CACHEFLUSH_H */ |
| 87 | |||
