#ifndef __ASM_SH_CACHEFLUSH_H#define __ASM_SH_CACHEFLUSH_H #ifdef __KERNEL__ #include <linux/mm.h> /* * Cache flushing: * *  - flush_cache_all() flushes entire cache *  - flush_cache_mm(mm) flushes the specified mm context's cache lines *  - flush_cache_dup mm(mm) handles cache flushing when forking *  - flush_cache_page(mm, vmaddr, pfn) flushes a single page *  - flush_cache_range(vma, start, end) flushes a range of pages * *  - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache *  - flush_icache_range(start, end) flushes(invalidates) a range for icache *  - flush_icache_page(vma, pg) flushes(invalidates) a page for icache *  - flush_cache_sigtramp(vaddr) flushes the signal trampoline */extern void (*local_flush_cache_all)(void *args);extern void (*local_flush_cache_mm)(void *args);extern void (*local_flush_cache_dup_mm)(void *args);extern void (*local_flush_cache_page)(void *args);extern void (*local_flush_cache_range)(void *args);extern void (*local_flush_dcache_page)(void *args);extern void (*local_flush_icache_range)(void *args);extern void (*local_flush_icache_page)(void *args);extern void (*local_flush_cache_sigtramp)(void *args); static inline void cache_noop(void *args) { } extern void (*__flush_wback_region)(void *start, int size);extern void (*__flush_purge_region)(void *start, int size);extern void (*__flush_invalidate_region)(void *start, int size); extern void flush_cache_all(void);extern void flush_cache_mm(struct mm_struct *mm);extern void flush_cache_dup_mm(struct mm_struct *mm);extern void flush_cache_page(struct vm_area_struct *vma,				unsigned long addr, unsigned long pfn);extern void flush_cache_range(struct vm_area_struct *vma,				 unsigned long start, unsigned long end);#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1extern void flush_dcache_page(struct page *page);extern void flush_icache_range(unsigned long start, unsigned long end);extern void flush_icache_page(struct vm_area_struct *vma,				 struct page *page);extern void flush_cache_sigtramp(unsigned long address); struct flusher_data {	struct vm_area_struct *vma;	unsigned long addr1, addr2;}; #define ARCH_HAS_FLUSH_ANON_PAGEextern void __flush_anon_page(struct page *page, unsigned long); static inline void flush_anon_page(struct vm_area_struct *vma,				   struct page *page, unsigned long vmaddr){	if (boot_cpu_data.dcache.n_aliases && PageAnon(page))		__flush_anon_page(page, vmaddr);}static inline void flush_kernel_vmap_range(void *addr, int size){	__flush_wback_region(addr, size);}static inline void invalidate_kernel_vmap_range(void *addr, int size){	__flush_invalidate_region(addr, size);} #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGEstatic inline void flush_kernel_dcache_page(struct page *page){	flush_dcache_page(page);} 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); #define flush_cache_vmap(start, end)		local_flush_cache_all(NULL)#define flush_cache_vunmap(start, end)		local_flush_cache_all(NULL) #define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0) void kmap_coherent_init(void);void *kmap_coherent(struct page *page, unsigned long addr);void kunmap_coherent(void *kvaddr); #define PG_dcache_clean	PG_arch_1 void cpu_cache_init(void); #endif /* __KERNEL__ */#endif /* __ASM_SH_CACHEFLUSH_H */