1
2
3#ifndef __ABI_CSKY_CACHEFLUSH_H
4#define __ABI_CSKY_CACHEFLUSH_H
5
6#include <linux/mm.h>
7#include <asm/string.h>
8#include <asm/cache.h>
9
10#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
11extern void flush_dcache_page(struct page *);
12
13#define flush_cache_mm(mm) dcache_wbinv_all()
14#define flush_cache_page(vma, page, pfn) cache_wbinv_all()
15#define flush_cache_dup_mm(mm) cache_wbinv_all()
16
17#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
18extern void flush_kernel_dcache_page(struct page *);
19
20#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
21#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
22
23static inline void flush_kernel_vmap_range(void *addr, int size)
24{
25 dcache_wbinv_all();
26}
27static inline void invalidate_kernel_vmap_range(void *addr, int size)
28{
29 dcache_wbinv_all();
30}
31
32#define ARCH_HAS_FLUSH_ANON_PAGE
33static inline void flush_anon_page(struct vm_area_struct *vma,
34 struct page *page, unsigned long vmaddr)
35{
36 if (PageAnon(page))
37 cache_wbinv_all();
38}
39
40
41
42
43
44extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
45#define flush_cache_vmap(start, end) cache_wbinv_all()
46#define flush_cache_vunmap(start, end) cache_wbinv_all()
47
48#define flush_icache_page(vma, page) do {} while (0);
49#define flush_icache_range(start, end) cache_wbinv_range(start, end)
50#define flush_icache_mm_range(mm, start, end) cache_wbinv_range(start, end)
51#define flush_icache_deferred(mm) do {} while (0);
52
53#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
54do { \
55 memcpy(dst, src, len); \
56} while (0)
57
58#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
59do { \
60 memcpy(dst, src, len); \
61 cache_wbinv_all(); \
62} while (0)
63
64#endif
65