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