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-rw-r--r--arch/mn10300/include/asm/cacheflush.h88
1 files changed, 44 insertions, 44 deletions
diff --git a/arch/mn10300/include/asm/cacheflush.h b/arch/mn10300/include/asm/cacheflush.h
index b85be1d2fd32..0b5d00438374 100644
--- a/arch/mn10300/include/asm/cacheflush.h
+++ b/arch/mn10300/include/asm/cacheflush.h
@@ -17,49 +17,7 @@
17#include <linux/mm.h> 17#include <linux/mm.h>
18 18
19/* 19/*
20 * virtually-indexed cache management (our cache is physically indexed) 20 * Primitive routines
21 */
22#define flush_cache_all() do {} while (0)
23#define flush_cache_mm(mm) do {} while (0)
24#define flush_cache_dup_mm(mm) do {} while (0)
25#define flush_cache_range(mm, start, end) do {} while (0)
26#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
27#define flush_cache_vmap(start, end) do {} while (0)
28#define flush_cache_vunmap(start, end) do {} while (0)
29#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
30#define flush_dcache_page(page) do {} while (0)
31#define flush_dcache_mmap_lock(mapping) do {} while (0)
32#define flush_dcache_mmap_unlock(mapping) do {} while (0)
33
34/*
35 * physically-indexed cache management
36 */
37#ifdef CONFIG_MN10300_CACHE_ENABLED
38
39extern void flush_icache_range(unsigned long start, unsigned long end);
40extern void flush_icache_page(struct vm_area_struct *vma, struct page *pg);
41
42#else
43
44#define flush_icache_range(start, end) do {} while (0)
45#define flush_icache_page(vma, pg) do {} while (0)
46
47#endif
48
49#define flush_icache_user_range(vma, pg, adr, len) \
50 flush_icache_range(adr, adr + len)
51
52#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
53 do { \
54 memcpy(dst, src, len); \
55 flush_icache_page(vma, page); \
56 } while (0)
57
58#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
59 memcpy(dst, src, len)
60
61/*
62 * primitive routines
63 */ 21 */
64#ifdef CONFIG_MN10300_CACHE_ENABLED 22#ifdef CONFIG_MN10300_CACHE_ENABLED
65extern void mn10300_icache_inv(void); 23extern void mn10300_icache_inv(void);
@@ -106,7 +64,49 @@ extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size);
106#endif /* CONFIG_MN10300_CACHE_ENABLED */ 64#endif /* CONFIG_MN10300_CACHE_ENABLED */
107 65
108/* 66/*
109 * internal debugging function 67 * Virtually-indexed cache management (our cache is physically indexed)
68 */
69#define flush_cache_all() do {} while (0)
70#define flush_cache_mm(mm) do {} while (0)
71#define flush_cache_dup_mm(mm) do {} while (0)
72#define flush_cache_range(mm, start, end) do {} while (0)
73#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
74#define flush_cache_vmap(start, end) do {} while (0)
75#define flush_cache_vunmap(start, end) do {} while (0)
76#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
77#define flush_dcache_page(page) do {} while (0)
78#define flush_dcache_mmap_lock(mapping) do {} while (0)
79#define flush_dcache_mmap_unlock(mapping) do {} while (0)
80
81/*
82 * Physically-indexed cache management
83 */
84#ifdef CONFIG_MN10300_CACHE_ENABLED
85
86extern void flush_icache_range(unsigned long start, unsigned long end);
87extern void flush_icache_page(struct vm_area_struct *vma, struct page *pg);
88
89#else
90
91#define flush_icache_range(start, end) do {} while (0)
92#define flush_icache_page(vma, pg) do {} while (0)
93
94#endif
95
96#define flush_icache_user_range(vma, pg, adr, len) \
97 flush_icache_range(adr, adr + len)
98
99#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
100 do { \
101 memcpy(dst, src, len); \
102 flush_icache_page(vma, page); \
103 } while (0)
104
105#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
106 memcpy(dst, src, len)
107
108/*
109 * Internal debugging function
110 */ 110 */
111#ifdef CONFIG_DEBUG_PAGEALLOC 111#ifdef CONFIG_DEBUG_PAGEALLOC
112extern void kernel_map_pages(struct page *page, int numpages, int enable); 112extern void kernel_map_pages(struct page *page, int numpages, int enable);