diff options
Diffstat (limited to 'include/asm-powerpc/cacheflush.h')
-rw-r--r-- | include/asm-powerpc/cacheflush.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/include/asm-powerpc/cacheflush.h b/include/asm-powerpc/cacheflush.h deleted file mode 100644 index ba667a383b8c..000000000000 --- a/include/asm-powerpc/cacheflush.h +++ /dev/null | |||
@@ -1,75 +0,0 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or | ||
3 | * modify it under the terms of the GNU General Public License | ||
4 | * as published by the Free Software Foundation; either version | ||
5 | * 2 of the License, or (at your option) any later version. | ||
6 | */ | ||
7 | #ifndef _ASM_POWERPC_CACHEFLUSH_H | ||
8 | #define _ASM_POWERPC_CACHEFLUSH_H | ||
9 | |||
10 | #ifdef __KERNEL__ | ||
11 | |||
12 | #include <linux/mm.h> | ||
13 | #include <asm/cputable.h> | ||
14 | |||
15 | /* | ||
16 | * No cache flushing is required when address mappings are changed, | ||
17 | * because the caches on PowerPCs are physically addressed. | ||
18 | */ | ||
19 | #define flush_cache_all() do { } while (0) | ||
20 | #define flush_cache_mm(mm) do { } while (0) | ||
21 | #define flush_cache_dup_mm(mm) do { } while (0) | ||
22 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
23 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
24 | #define flush_icache_page(vma, page) do { } while (0) | ||
25 | #define flush_cache_vmap(start, end) do { } while (0) | ||
26 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
27 | |||
28 | extern void flush_dcache_page(struct page *page); | ||
29 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
30 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
31 | |||
32 | extern void __flush_icache_range(unsigned long, unsigned long); | ||
33 | static inline void flush_icache_range(unsigned long start, unsigned long stop) | ||
34 | { | ||
35 | if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) | ||
36 | __flush_icache_range(start, stop); | ||
37 | } | ||
38 | |||
39 | extern void flush_icache_user_range(struct vm_area_struct *vma, | ||
40 | struct page *page, unsigned long addr, | ||
41 | int len); | ||
42 | extern void __flush_dcache_icache(void *page_va); | ||
43 | extern void flush_dcache_icache_page(struct page *page); | ||
44 | #if defined(CONFIG_PPC32) && !defined(CONFIG_BOOKE) | ||
45 | extern void __flush_dcache_icache_phys(unsigned long physaddr); | ||
46 | #endif /* CONFIG_PPC32 && !CONFIG_BOOKE */ | ||
47 | |||
48 | extern void flush_dcache_range(unsigned long start, unsigned long stop); | ||
49 | #ifdef CONFIG_PPC32 | ||
50 | extern void clean_dcache_range(unsigned long start, unsigned long stop); | ||
51 | extern void invalidate_dcache_range(unsigned long start, unsigned long stop); | ||
52 | #endif /* CONFIG_PPC32 */ | ||
53 | #ifdef CONFIG_PPC64 | ||
54 | extern void flush_inval_dcache_range(unsigned long start, unsigned long stop); | ||
55 | extern void flush_dcache_phys_range(unsigned long start, unsigned long stop); | ||
56 | #endif | ||
57 | |||
58 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
59 | do { \ | ||
60 | memcpy(dst, src, len); \ | ||
61 | flush_icache_user_range(vma, page, vaddr, len); \ | ||
62 | } while (0) | ||
63 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
64 | memcpy(dst, src, len) | ||
65 | |||
66 | |||
67 | |||
68 | #ifdef CONFIG_DEBUG_PAGEALLOC | ||
69 | /* internal debugging function */ | ||
70 | void kernel_map_pages(struct page *page, int numpages, int enable); | ||
71 | #endif | ||
72 | |||
73 | #endif /* __KERNEL__ */ | ||
74 | |||
75 | #endif /* _ASM_POWERPC_CACHEFLUSH_H */ | ||