diff options
Diffstat (limited to 'include/asm-ppc/cacheflush.h')
-rw-r--r-- | include/asm-ppc/cacheflush.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/include/asm-ppc/cacheflush.h b/include/asm-ppc/cacheflush.h deleted file mode 100644 index 6a243efb3317..000000000000 --- a/include/asm-ppc/cacheflush.h +++ /dev/null | |||
@@ -1,49 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-ppc/cacheflush.h | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version | ||
7 | * 2 of the License, or (at your option) any later version. | ||
8 | */ | ||
9 | #ifdef __KERNEL__ | ||
10 | #ifndef _PPC_CACHEFLUSH_H | ||
11 | #define _PPC_CACHEFLUSH_H | ||
12 | |||
13 | #include <linux/mm.h> | ||
14 | |||
15 | /* | ||
16 | * No cache flushing is required when address mappings are | ||
17 | * changed, because the caches on PowerPCs are physically | ||
18 | * addressed. -- paulus | ||
19 | * Also, when SMP we use the coherency (M) bit of the | ||
20 | * BATs and PTEs. -- Cort | ||
21 | */ | ||
22 | #define flush_cache_all() do { } while (0) | ||
23 | #define flush_cache_mm(mm) do { } while (0) | ||
24 | #define flush_cache_range(vma, a, b) do { } while (0) | ||
25 | #define flush_cache_page(vma, p, pfn) do { } while (0) | ||
26 | #define flush_icache_page(vma, page) do { } while (0) | ||
27 | #define flush_cache_vmap(start, end) do { } while (0) | ||
28 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
29 | |||
30 | extern void flush_dcache_page(struct page *page); | ||
31 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
32 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
33 | |||
34 | extern void flush_icache_range(unsigned long, unsigned long); | ||
35 | extern void flush_icache_user_range(struct vm_area_struct *vma, | ||
36 | struct page *page, unsigned long addr, int len); | ||
37 | |||
38 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
39 | do { memcpy(dst, src, len); \ | ||
40 | flush_icache_user_range(vma, page, vaddr, len); \ | ||
41 | } while (0) | ||
42 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
43 | memcpy(dst, src, len) | ||
44 | |||
45 | extern void __flush_dcache_icache(void *page_va); | ||
46 | extern void __flush_dcache_icache_phys(unsigned long physaddr); | ||
47 | extern void flush_dcache_icache_page(struct page *page); | ||
48 | #endif /* _PPC_CACHEFLUSH_H */ | ||
49 | #endif /* __KERNEL__ */ | ||