Linux kernel mirror (for testing)
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linux
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);
17
18#define flush_cache_dup_mm(mm) do {} while (0)
19#define flush_dcache_page(page) do {} while (0)
20#define flush_dcache_mmap_lock(mapping) do {} while (0)
21#define flush_dcache_mmap_unlock(mapping) do {} while (0)
22#define flush_cache_vmap(start, end) do {} while (0)
23#define flush_cache_vunmap(start, end) do {} while (0)
24
25static inline void flush_icache_page(struct vm_area_struct *vma,
26 struct page *page)
27{
28 if (vma->vm_flags & VM_EXEC) {
29 void *v = page_address(page);
30 flush_icache_range((unsigned long) v,
31 (unsigned long) v + PAGE_SIZE);
32 }
33}
34
35#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
36 memcpy(dst, src, len)
37
38#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
39 do { \
40 memcpy(dst, src, len); \
41 if ((vma->vm_flags & VM_EXEC)) \
42 flush_cache_page(vma, vaddr, page_to_pfn(page));\
43 } while (0)
44
45#endif /* _ASM_SCORE_CACHEFLUSH_H */