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Diffstat (limited to 'include/asm-mips/cacheflush.h')
| -rw-r--r-- | include/asm-mips/cacheflush.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h deleted file mode 100644 index d5c0f2fda51b..000000000000 --- a/include/asm-mips/cacheflush.h +++ /dev/null | |||
| @@ -1,115 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 3 | * License. See the file "COPYING" in the main directory of this archive | ||
| 4 | * for more details. | ||
| 5 | * | ||
| 6 | * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle | ||
| 7 | * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. | ||
| 8 | */ | ||
| 9 | #ifndef _ASM_CACHEFLUSH_H | ||
| 10 | #define _ASM_CACHEFLUSH_H | ||
| 11 | |||
| 12 | /* Keep includes the same across arches. */ | ||
| 13 | #include <linux/mm.h> | ||
| 14 | #include <asm/cpu-features.h> | ||
| 15 | |||
| 16 | /* Cache flushing: | ||
| 17 | * | ||
| 18 | * - flush_cache_all() flushes entire cache | ||
| 19 | * - flush_cache_mm(mm) flushes the specified mm context's cache lines | ||
| 20 | * - flush_cache_dup mm(mm) handles cache flushing when forking | ||
| 21 | * - flush_cache_page(mm, vmaddr, pfn) flushes a single page | ||
| 22 | * - flush_cache_range(vma, start, end) flushes a range of pages | ||
| 23 | * - flush_icache_range(start, end) flush a range of instructions | ||
| 24 | * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache | ||
| 25 | * | ||
| 26 | * MIPS specific flush operations: | ||
| 27 | * | ||
| 28 | * - flush_cache_sigtramp() flush signal trampoline | ||
| 29 | * - flush_icache_all() flush the entire instruction cache | ||
| 30 | * - flush_data_cache_page() flushes a page from the data cache | ||
| 31 | */ | ||
| 32 | extern void (*flush_cache_all)(void); | ||
| 33 | extern void (*__flush_cache_all)(void); | ||
| 34 | extern void (*flush_cache_mm)(struct mm_struct *mm); | ||
| 35 | #define flush_cache_dup_mm(mm) do { (void) (mm); } while (0) | ||
| 36 | extern void (*flush_cache_range)(struct vm_area_struct *vma, | ||
| 37 | unsigned long start, unsigned long end); | ||
| 38 | extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); | ||
| 39 | extern void __flush_dcache_page(struct page *page); | ||
| 40 | |||
| 41 | static inline void flush_dcache_page(struct page *page) | ||
| 42 | { | ||
| 43 | if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc) | ||
| 44 | __flush_dcache_page(page); | ||
| 45 | |||
| 46 | } | ||
| 47 | |||
| 48 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
| 49 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
| 50 | |||
| 51 | #define ARCH_HAS_FLUSH_ANON_PAGE | ||
| 52 | extern void __flush_anon_page(struct page *, unsigned long); | ||
| 53 | static inline void flush_anon_page(struct vm_area_struct *vma, | ||
| 54 | struct page *page, unsigned long vmaddr) | ||
| 55 | { | ||
| 56 | if (cpu_has_dc_aliases && PageAnon(page)) | ||
| 57 | __flush_anon_page(page, vmaddr); | ||
| 58 | } | ||
| 59 | |||
| 60 | static inline void flush_icache_page(struct vm_area_struct *vma, | ||
| 61 | struct page *page) | ||
| 62 | { | ||
| 63 | } | ||
| 64 | |||
| 65 | extern void (*flush_icache_range)(unsigned long start, unsigned long end); | ||
| 66 | |||
| 67 | extern void (*__flush_cache_vmap)(void); | ||
| 68 | |||
| 69 | static inline void flush_cache_vmap(unsigned long start, unsigned long end) | ||
| 70 | { | ||
| 71 | if (cpu_has_dc_aliases) | ||
| 72 | __flush_cache_vmap(); | ||
| 73 | } | ||
| 74 | |||
| 75 | extern void (*__flush_cache_vunmap)(void); | ||
| 76 | |||
| 77 | static inline void flush_cache_vunmap(unsigned long start, unsigned long end) | ||
| 78 | { | ||
| 79 | if (cpu_has_dc_aliases) | ||
| 80 | __flush_cache_vunmap(); | ||
| 81 | } | ||
| 82 | |||
| 83 | extern void copy_to_user_page(struct vm_area_struct *vma, | ||
| 84 | struct page *page, unsigned long vaddr, void *dst, const void *src, | ||
| 85 | unsigned long len); | ||
| 86 | |||
| 87 | extern void copy_from_user_page(struct vm_area_struct *vma, | ||
| 88 | struct page *page, unsigned long vaddr, void *dst, const void *src, | ||
| 89 | unsigned long len); | ||
| 90 | |||
| 91 | extern void (*flush_cache_sigtramp)(unsigned long addr); | ||
| 92 | extern void (*flush_icache_all)(void); | ||
| 93 | extern void (*local_flush_data_cache_page)(void * addr); | ||
| 94 | extern void (*flush_data_cache_page)(unsigned long addr); | ||
| 95 | |||
| 96 | /* | ||
| 97 | * This flag is used to indicate that the page pointed to by a pte | ||
| 98 | * is dirty and requires cleaning before returning it to the user. | ||
| 99 | */ | ||
| 100 | #define PG_dcache_dirty PG_arch_1 | ||
| 101 | |||
| 102 | #define Page_dcache_dirty(page) \ | ||
| 103 | test_bit(PG_dcache_dirty, &(page)->flags) | ||
| 104 | #define SetPageDcacheDirty(page) \ | ||
| 105 | set_bit(PG_dcache_dirty, &(page)->flags) | ||
| 106 | #define ClearPageDcacheDirty(page) \ | ||
| 107 | clear_bit(PG_dcache_dirty, &(page)->flags) | ||
| 108 | |||
| 109 | /* Run kernel code uncached, useful for cache probing functions. */ | ||
| 110 | unsigned long run_uncached(void *func); | ||
| 111 | |||
| 112 | extern void *kmap_coherent(struct page *page, unsigned long addr); | ||
| 113 | extern void kunmap_coherent(void); | ||
| 114 | |||
| 115 | #endif /* _ASM_CACHEFLUSH_H */ | ||