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6bc9a396 CL |
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 | ||
0402c91a CL |
7 | extern void flush_cache_all(void); |
8 | extern void flush_cache_mm(struct mm_struct *mm); | |
9 | extern void flush_cache_range(struct vm_area_struct *vma, | |
6bc9a396 | 10 | unsigned long start, unsigned long end); |
0402c91a | 11 | extern void flush_cache_page(struct vm_area_struct *vma, |
6bc9a396 | 12 | unsigned long page, unsigned long pfn); |
0402c91a CL |
13 | extern void flush_cache_sigtramp(unsigned long addr); |
14 | extern void flush_icache_all(void); | |
15 | extern void flush_icache_range(unsigned long start, unsigned long end); | |
16 | extern void flush_dcache_range(unsigned long start, unsigned long end); | |
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17 | extern void flush_dcache_page(struct page *page); |
18 | ||
19 | #define PG_dcache_dirty PG_arch_1 | |
6bc9a396 CL |
20 | |
21 | #define flush_cache_dup_mm(mm) do {} while (0) | |
2d4dc890 | 22 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 |
6bc9a396 CL |
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 | ||
28 | static 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 */ |