1 #ifndef _SPARC64_CACHEFLUSH_H
2 #define _SPARC64_CACHEFLUSH_H
3
4 #include <linux/config.h>
5 #include <linux/mm.h>
6
7 /* Cache flush operations. */
8
9 /* These are the same regardless of whether this is an SMP kernel or not. */
10 #define flush_cache_mm(__mm) \
11 do { if ((__mm) == current->mm) flushw_user(); } while(0)
12 extern void flush_cache_range(struct vm_area_struct *, unsigned long, unsigned long);
13 #define flush_cache_page(vma, page) \
14 flush_cache_mm((vma)->vm_mm)
15
16 /*
17 * On spitfire, the icache doesn't snoop local stores and we don't
18 * use block commit stores (which invalidate icache lines) during
19 * module load, so we need this.
20 */
21 extern void flush_icache_range(unsigned long start, unsigned long end);
22
23 extern void __flush_dcache_page(void *addr, int flush_icache);
24 extern void __flush_icache_page(unsigned long);
25 extern void flush_dcache_page_impl(struct page *page);
26 #ifdef CONFIG_SMP
27 extern void smp_flush_dcache_page_impl(struct page *page, int cpu);
28 extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
29 #else
30 #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page)
31 #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page)
32 #endif
33
34 extern void __flush_dcache_range(unsigned long start, unsigned long end);
35
36 #define flush_icache_page(vma, pg) do { } while(0)
37 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
38
39 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
40 memcpy(dst, src, len)
41 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
42 memcpy(dst, src, len)
43
44 extern void flush_dcache_page(struct page *page);
45
46 #define flush_cache_vmap(start, end) do { } while (0)
47 #define flush_cache_vunmap(start, end) do { } while (0)
48
49 #endif /* _SPARC64_CACHEFLUSH_H */
50
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