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-rw-r--r--arch/mn10300/include/asm/cacheflush.h164
1 files changed, 109 insertions, 55 deletions
diff --git a/arch/mn10300/include/asm/cacheflush.h b/arch/mn10300/include/asm/cacheflush.h
index 29e692f7f030..faed90240ded 100644
--- a/arch/mn10300/include/asm/cacheflush.h
+++ b/arch/mn10300/include/asm/cacheflush.h
@@ -17,66 +17,55 @@
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 */ 21 */
22#define flush_cache_all() do {} while (0) 22#ifdef CONFIG_MN10300_CACHE_ENABLED
23#define flush_cache_mm(mm) do {} while (0) 23extern void mn10300_local_icache_inv(void);
24#define flush_cache_dup_mm(mm) do {} while (0) 24extern void mn10300_local_icache_inv_page(unsigned long start);
25#define flush_cache_range(mm, start, end) do {} while (0) 25extern void mn10300_local_icache_inv_range(unsigned long start, unsigned long end);
26#define flush_cache_page(vma, vmaddr, pfn) do {} while (0) 26extern void mn10300_local_icache_inv_range2(unsigned long start, unsigned long size);
27#define flush_cache_vmap(start, end) do {} while (0) 27extern void mn10300_local_dcache_inv(void);
28#define flush_cache_vunmap(start, end) do {} while (0) 28extern void mn10300_local_dcache_inv_page(unsigned long start);
29#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 29extern void mn10300_local_dcache_inv_range(unsigned long start, unsigned long end);
30#define flush_dcache_page(page) do {} while (0) 30extern void mn10300_local_dcache_inv_range2(unsigned long start, unsigned long size);
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#ifndef CONFIG_MN10300_CACHE_DISABLED
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 */
64#ifndef CONFIG_MN10300_CACHE_DISABLED
65extern void mn10300_icache_inv(void); 31extern void mn10300_icache_inv(void);
32extern void mn10300_icache_inv_page(unsigned long start);
33extern void mn10300_icache_inv_range(unsigned long start, unsigned long end);
34extern void mn10300_icache_inv_range2(unsigned long start, unsigned long size);
66extern void mn10300_dcache_inv(void); 35extern void mn10300_dcache_inv(void);
67extern void mn10300_dcache_inv_page(unsigned start); 36extern void mn10300_dcache_inv_page(unsigned long start);
68extern void mn10300_dcache_inv_range(unsigned start, unsigned end); 37extern void mn10300_dcache_inv_range(unsigned long start, unsigned long end);
69extern void mn10300_dcache_inv_range2(unsigned start, unsigned size); 38extern void mn10300_dcache_inv_range2(unsigned long start, unsigned long size);
70#ifdef CONFIG_MN10300_CACHE_WBACK 39#ifdef CONFIG_MN10300_CACHE_WBACK
40extern void mn10300_local_dcache_flush(void);
41extern void mn10300_local_dcache_flush_page(unsigned long start);
42extern void mn10300_local_dcache_flush_range(unsigned long start, unsigned long end);
43extern void mn10300_local_dcache_flush_range2(unsigned long start, unsigned long size);
44extern void mn10300_local_dcache_flush_inv(void);
45extern void mn10300_local_dcache_flush_inv_page(unsigned long start);
46extern void mn10300_local_dcache_flush_inv_range(unsigned long start, unsigned long end);
47extern void mn10300_local_dcache_flush_inv_range2(unsigned long start, unsigned long size);
71extern void mn10300_dcache_flush(void); 48extern void mn10300_dcache_flush(void);
72extern void mn10300_dcache_flush_page(unsigned start); 49extern void mn10300_dcache_flush_page(unsigned long start);
73extern void mn10300_dcache_flush_range(unsigned start, unsigned end); 50extern void mn10300_dcache_flush_range(unsigned long start, unsigned long end);
74extern void mn10300_dcache_flush_range2(unsigned start, unsigned size); 51extern void mn10300_dcache_flush_range2(unsigned long start, unsigned long size);
75extern void mn10300_dcache_flush_inv(void); 52extern void mn10300_dcache_flush_inv(void);
76extern void mn10300_dcache_flush_inv_page(unsigned start); 53extern void mn10300_dcache_flush_inv_page(unsigned long start);
77extern void mn10300_dcache_flush_inv_range(unsigned start, unsigned end); 54extern void mn10300_dcache_flush_inv_range(unsigned long start, unsigned long end);
78extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size); 55extern void mn10300_dcache_flush_inv_range2(unsigned long start, unsigned long size);
79#else 56#else
57#define mn10300_local_dcache_flush() do {} while (0)
58#define mn10300_local_dcache_flush_page(start) do {} while (0)
59#define mn10300_local_dcache_flush_range(start, end) do {} while (0)
60#define mn10300_local_dcache_flush_range2(start, size) do {} while (0)
61#define mn10300_local_dcache_flush_inv() \
62 mn10300_local_dcache_inv()
63#define mn10300_local_dcache_flush_inv_page(start) \
64 mn10300_local_dcache_inv_page(start)
65#define mn10300_local_dcache_flush_inv_range(start, end) \
66 mn10300_local_dcache_inv_range(start, end)
67#define mn10300_local_dcache_flush_inv_range2(start, size) \
68 mn10300_local_dcache_inv_range2(start, size)
80#define mn10300_dcache_flush() do {} while (0) 69#define mn10300_dcache_flush() do {} while (0)
81#define mn10300_dcache_flush_page(start) do {} while (0) 70#define mn10300_dcache_flush_page(start) do {} while (0)
82#define mn10300_dcache_flush_range(start, end) do {} while (0) 71#define mn10300_dcache_flush_range(start, end) do {} while (0)
@@ -90,7 +79,26 @@ extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size);
90 mn10300_dcache_inv_range2((start), (size)) 79 mn10300_dcache_inv_range2((start), (size))
91#endif /* CONFIG_MN10300_CACHE_WBACK */ 80#endif /* CONFIG_MN10300_CACHE_WBACK */
92#else 81#else
82#define mn10300_local_icache_inv() do {} while (0)
83#define mn10300_local_icache_inv_page(start) do {} while (0)
84#define mn10300_local_icache_inv_range(start, end) do {} while (0)
85#define mn10300_local_icache_inv_range2(start, size) do {} while (0)
86#define mn10300_local_dcache_inv() do {} while (0)
87#define mn10300_local_dcache_inv_page(start) do {} while (0)
88#define mn10300_local_dcache_inv_range(start, end) do {} while (0)
89#define mn10300_local_dcache_inv_range2(start, size) do {} while (0)
90#define mn10300_local_dcache_flush() do {} while (0)
91#define mn10300_local_dcache_flush_inv_page(start) do {} while (0)
92#define mn10300_local_dcache_flush_inv() do {} while (0)
93#define mn10300_local_dcache_flush_inv_range(start, end)do {} while (0)
94#define mn10300_local_dcache_flush_inv_range2(start, size) do {} while (0)
95#define mn10300_local_dcache_flush_page(start) do {} while (0)
96#define mn10300_local_dcache_flush_range(start, end) do {} while (0)
97#define mn10300_local_dcache_flush_range2(start, size) do {} while (0)
93#define mn10300_icache_inv() do {} while (0) 98#define mn10300_icache_inv() do {} while (0)
99#define mn10300_icache_inv_page(start) do {} while (0)
100#define mn10300_icache_inv_range(start, end) do {} while (0)
101#define mn10300_icache_inv_range2(start, size) do {} while (0)
94#define mn10300_dcache_inv() do {} while (0) 102#define mn10300_dcache_inv() do {} while (0)
95#define mn10300_dcache_inv_page(start) do {} while (0) 103#define mn10300_dcache_inv_page(start) do {} while (0)
96#define mn10300_dcache_inv_range(start, end) do {} while (0) 104#define mn10300_dcache_inv_range(start, end) do {} while (0)
@@ -103,10 +111,56 @@ extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size);
103#define mn10300_dcache_flush_page(start) do {} while (0) 111#define mn10300_dcache_flush_page(start) do {} while (0)
104#define mn10300_dcache_flush_range(start, end) do {} while (0) 112#define mn10300_dcache_flush_range(start, end) do {} while (0)
105#define mn10300_dcache_flush_range2(start, size) do {} while (0) 113#define mn10300_dcache_flush_range2(start, size) do {} while (0)
106#endif /* CONFIG_MN10300_CACHE_DISABLED */ 114#endif /* CONFIG_MN10300_CACHE_ENABLED */
115
116/*
117 * Virtually-indexed cache management (our cache is physically indexed)
118 */
119#define flush_cache_all() do {} while (0)
120#define flush_cache_mm(mm) do {} while (0)
121#define flush_cache_dup_mm(mm) do {} while (0)
122#define flush_cache_range(mm, start, end) do {} while (0)
123#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
124#define flush_cache_vmap(start, end) do {} while (0)
125#define flush_cache_vunmap(start, end) do {} while (0)
126#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
127#define flush_dcache_page(page) do {} while (0)
128#define flush_dcache_mmap_lock(mapping) do {} while (0)
129#define flush_dcache_mmap_unlock(mapping) do {} while (0)
130
131/*
132 * Physically-indexed cache management
133 */
134#if defined(CONFIG_MN10300_CACHE_FLUSH_ICACHE)
135extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
136extern void flush_icache_range(unsigned long start, unsigned long end);
137#elif defined(CONFIG_MN10300_CACHE_INV_ICACHE)
138static inline void flush_icache_page(struct vm_area_struct *vma,
139 struct page *page)
140{
141 mn10300_icache_inv_page(page_to_phys(page));
142}
143extern void flush_icache_range(unsigned long start, unsigned long end);
144#else
145#define flush_icache_range(start, end) do {} while (0)
146#define flush_icache_page(vma, pg) do {} while (0)
147#endif
148
149
150#define flush_icache_user_range(vma, pg, adr, len) \
151 flush_icache_range(adr, adr + len)
152
153#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
154 do { \
155 memcpy(dst, src, len); \
156 flush_icache_page(vma, page); \
157 } while (0)
158
159#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
160 memcpy(dst, src, len)
107 161
108/* 162/*
109 * internal debugging function 163 * Internal debugging function
110 */ 164 */
111#ifdef CONFIG_DEBUG_PAGEALLOC 165#ifdef CONFIG_DEBUG_PAGEALLOC
112extern void kernel_map_pages(struct page *page, int numpages, int enable); 166extern void kernel_map_pages(struct page *page, int numpages, int enable);
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