diff options
Diffstat (limited to 'include/asm-sparc64/cacheflush.h')
-rw-r--r-- | include/asm-sparc64/cacheflush.h | 77 |
1 files changed, 1 insertions, 76 deletions
diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h index 122e4058dd9e..cf5b6b3e8a55 100644 --- a/include/asm-sparc64/cacheflush.h +++ b/include/asm-sparc64/cacheflush.h | |||
@@ -1,76 +1 @@ | |||
1 | #ifndef _SPARC64_CACHEFLUSH_H | #include <asm-sparc/cacheflush.h> | |
2 | #define _SPARC64_CACHEFLUSH_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | |||
8 | #include <linux/mm.h> | ||
9 | |||
10 | /* Cache flush operations. */ | ||
11 | |||
12 | /* These are the same regardless of whether this is an SMP kernel or not. */ | ||
13 | #define flush_cache_mm(__mm) \ | ||
14 | do { if ((__mm) == current->mm) flushw_user(); } while(0) | ||
15 | #define flush_cache_dup_mm(mm) flush_cache_mm(mm) | ||
16 | #define flush_cache_range(vma, start, end) \ | ||
17 | flush_cache_mm((vma)->vm_mm) | ||
18 | #define flush_cache_page(vma, page, pfn) \ | ||
19 | flush_cache_mm((vma)->vm_mm) | ||
20 | |||
21 | /* | ||
22 | * On spitfire, the icache doesn't snoop local stores and we don't | ||
23 | * use block commit stores (which invalidate icache lines) during | ||
24 | * module load, so we need this. | ||
25 | */ | ||
26 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
27 | extern void __flush_icache_page(unsigned long); | ||
28 | |||
29 | extern void __flush_dcache_page(void *addr, int flush_icache); | ||
30 | extern void flush_dcache_page_impl(struct page *page); | ||
31 | #ifdef CONFIG_SMP | ||
32 | extern void smp_flush_dcache_page_impl(struct page *page, int cpu); | ||
33 | extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page); | ||
34 | #else | ||
35 | #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page) | ||
36 | #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page) | ||
37 | #endif | ||
38 | |||
39 | extern void __flush_dcache_range(unsigned long start, unsigned long end); | ||
40 | extern void flush_dcache_page(struct page *page); | ||
41 | |||
42 | #define flush_icache_page(vma, pg) do { } while(0) | ||
43 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
44 | |||
45 | extern void flush_ptrace_access(struct vm_area_struct *, struct page *, | ||
46 | unsigned long uaddr, void *kaddr, | ||
47 | unsigned long len, int write); | ||
48 | |||
49 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
50 | do { \ | ||
51 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | ||
52 | memcpy(dst, src, len); \ | ||
53 | flush_ptrace_access(vma, page, vaddr, src, len, 0); \ | ||
54 | } while (0) | ||
55 | |||
56 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
57 | do { \ | ||
58 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | ||
59 | memcpy(dst, src, len); \ | ||
60 | flush_ptrace_access(vma, page, vaddr, dst, len, 1); \ | ||
61 | } while (0) | ||
62 | |||
63 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
64 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
65 | |||
66 | #define flush_cache_vmap(start, end) do { } while (0) | ||
67 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
68 | |||
69 | #ifdef CONFIG_DEBUG_PAGEALLOC | ||
70 | /* internal debugging function */ | ||
71 | void kernel_map_pages(struct page *page, int numpages, int enable); | ||
72 | #endif | ||
73 | |||
74 | #endif /* !__ASSEMBLY__ */ | ||
75 | |||
76 | #endif /* _SPARC64_CACHEFLUSH_H */ | ||