1#ifndef _ASM_SCORE_CACHEFLUSH_H 2#define _ASM_SCORE_CACHEFLUSH_H 3 4/* Keep includes the same across arches. */ 5#include <linux/mm.h> 6 7extern void flush_cache_all(void); 8extern void flush_cache_mm(struct mm_struct *mm); 9extern void flush_cache_range(struct vm_area_struct *vma, 10 unsigned long start, unsigned long end); 11extern void flush_cache_page(struct vm_area_struct *vma, 12 unsigned long page, unsigned long pfn); 13extern void flush_cache_sigtramp(unsigned long addr); 14extern void flush_icache_all(void); 15extern void flush_icache_range(unsigned long start, unsigned long end); 16extern void flush_dcache_range(unsigned long start, unsigned long end); 17extern void flush_dcache_page(struct page *page); 18 19#define PG_dcache_dirty PG_arch_1 20 21#define flush_cache_dup_mm(mm) do {} while (0) 22#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 23#define flush_dcache_mmap_lock(mapping) do {} while (0) 24#define flush_dcache_mmap_unlock(mapping) do {} while (0) 25#define flush_cache_vmap(start, end) do {} while (0) 26#define flush_cache_vunmap(start, end) do {} while (0) 27 28static inline void flush_icache_page(struct vm_area_struct *vma, 29 struct page *page) 30{ 31 if (vma->vm_flags & VM_EXEC) { 32 void *v = page_address(page); 33 flush_icache_range((unsigned long) v, 34 (unsigned long) v + PAGE_SIZE); 35 } 36} 37 38#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 39 memcpy(dst, src, len) 40 41#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 42 do { \ 43 memcpy(dst, src, len); \ 44 if ((vma->vm_flags & VM_EXEC)) \ 45 flush_cache_page(vma, vaddr, page_to_pfn(page));\ 46 } while (0) 47 48#endif /* _ASM_SCORE_CACHEFLUSH_H */ 49