1
2
3#ifndef __ABI_CSKY_CACHEFLUSH_H
4#define __ABI_CSKY_CACHEFLUSH_H
5
6
7#include <linux/mm.h>
8
9
10
11
12
13#define flush_cache_all() do { } while (0)
14#define flush_cache_mm(mm) do { } while (0)
15#define flush_cache_dup_mm(mm) do { } while (0)
16#define flush_cache_range(vma, start, end) do { } while (0)
17#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
18
19#define PG_dcache_clean PG_arch_1
20
21#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
22static inline void flush_dcache_page(struct page *page)
23{
24 if (test_bit(PG_dcache_clean, &page->flags))
25 clear_bit(PG_dcache_clean, &page->flags);
26}
27
28#define flush_dcache_mmap_lock(mapping) do { } while (0)
29#define flush_dcache_mmap_unlock(mapping) do { } while (0)
30#define flush_icache_page(vma, page) do { } while (0)
31
32#define flush_icache_range(start, end) cache_wbinv_range(start, end)
33
34void flush_icache_mm_range(struct mm_struct *mm,
35 unsigned long start, unsigned long end);
36void flush_icache_deferred(struct mm_struct *mm);
37
38#define flush_cache_vmap(start, end) do { } while (0)
39#define flush_cache_vunmap(start, end) do { } while (0)
40
41#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
42do { \
43 memcpy(dst, src, len); \
44 if (vma->vm_flags & VM_EXEC) { \
45 dcache_wb_range((unsigned long)dst, \
46 (unsigned long)dst + len); \
47 flush_icache_mm_range(current->mm, \
48 (unsigned long)dst, \
49 (unsigned long)dst + len); \
50 } \
51} while (0)
52#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
53 memcpy(dst, src, len)
54
55#endif
56