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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 e034c36..0000000 --- a/include/asm-sh/cacheflush.h +++ /dev/null @@ -1,81 +0,0 @@ -#ifndef __ASM_SH_CACHEFLUSH_H -#define __ASM_SH_CACHEFLUSH_H - -#ifdef __KERNEL__ - -#ifdef CONFIG_CACHE_OFF -/* - * Nothing to do when the cache is disabled, initial flush and explicit - * disabling is handled at CPU init time. - * - * See arch/sh/kernel/cpu/init.c:cache_init(). - */ -#define p3_cache_init() do { } while (0) -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) -#define flush_dcache_page(page) do { } while (0) -#define flush_icache_range(start, end) do { } while (0) -#define flush_icache_page(vma,pg) do { } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_cache_sigtramp(vaddr) do { } while (0) -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) -#define __flush_wback_region(start, size) do { (void)(start); } while (0) -#define __flush_purge_region(start, size) do { (void)(start); } while (0) -#define __flush_invalidate_region(start, size) do { (void)(start); } while (0) -#else -#include <asm/cpu/cacheflush.h> - -/* - * Consistent DMA requires that the __flush_xxx() primitives must be set - * for any of the enabled non-coherent caches (most of the UP CPUs), - * regardless of PIPT or VIPT cache configurations. - */ - -/* Flush (write-back only) a region (smaller than a page) */ -extern void __flush_wback_region(void *start, int size); -/* Flush (write-back & invalidate) a region (smaller than a page) */ -extern void __flush_purge_region(void *start, int size); -/* Flush (invalidate only) a region (smaller than a page) */ -extern void __flush_invalidate_region(void *start, int size); -#endif - -#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE -static inline void flush_kernel_dcache_page(struct page *page) -{ - flush_dcache_page(page); -} - -#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_CACHE_OFF) -extern void copy_to_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, void *dst, const void *src, - unsigned long len); - -extern void copy_from_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, void *dst, const void *src, - unsigned long len); -#else -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - flush_cache_page(vma, vaddr, page_to_pfn(page));\ - memcpy(dst, src, len); \ - flush_icache_user_range(vma, page, vaddr, len); \ - } while (0) - -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - flush_cache_page(vma, vaddr, page_to_pfn(page));\ - memcpy(dst, src, len); \ - } while (0) -#endif - -#define flush_cache_vmap(start, end) flush_cache_all() -#define flush_cache_vunmap(start, end) flush_cache_all() - -#define HAVE_ARCH_UNMAPPED_AREA - -#endif /* __KERNEL__ */ -#endif /* __ASM_SH_CACHEFLUSH_H */ |