diff options
author | David Howells <dhowells@redhat.com> | 2009-04-10 09:19:03 -0400 |
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committer | David Howells <dhowells@redhat.com> | 2009-04-10 09:19:03 -0400 |
commit | da7616610c8d2ec16a8ada44216e836e5fcbd08b (patch) | |
tree | ef3e8ccc7a01694c0ab0eeea387bc46a8807669e /arch/mn10300/include/asm/cacheflush.h | |
parent | 62b8e680e61d3f48f2a12ee248ca03ea8f376926 (diff) |
Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/include/asm/cacheflush.h')
-rw-r--r-- | arch/mn10300/include/asm/cacheflush.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/cacheflush.h b/arch/mn10300/include/asm/cacheflush.h new file mode 100644 index 000000000000..2db746a251f8 --- /dev/null +++ b/arch/mn10300/include/asm/cacheflush.h | |||
@@ -0,0 +1,116 @@ | |||
1 | /* MN10300 Cache flushing | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | #ifndef _ASM_CACHEFLUSH_H | ||
12 | #define _ASM_CACHEFLUSH_H | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | |||
16 | /* Keep includes the same across arches. */ | ||
17 | #include <linux/mm.h> | ||
18 | |||
19 | /* | ||
20 | * virtually-indexed cache managment (our cache is physically indexed) | ||
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 flush_dcache_page(page) do {} while (0) | ||
30 | #define flush_dcache_mmap_lock(mapping) do {} while (0) | ||
31 | #define flush_dcache_mmap_unlock(mapping) do {} while (0) | ||
32 | |||
33 | /* | ||
34 | * physically-indexed cache managment | ||
35 | */ | ||
36 | #ifndef CONFIG_MN10300_CACHE_DISABLED | ||
37 | |||
38 | extern void flush_icache_range(unsigned long start, unsigned long end); | ||
39 | extern void flush_icache_page(struct vm_area_struct *vma, struct page *pg); | ||
40 | |||
41 | #else | ||
42 | |||
43 | #define flush_icache_range(start, end) do {} while (0) | ||
44 | #define flush_icache_page(vma, pg) do {} while (0) | ||
45 | |||
46 | #endif | ||
47 | |||
48 | #define flush_icache_user_range(vma, pg, adr, len) \ | ||
49 | flush_icache_range(adr, adr + len) | ||
50 | |||
51 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
52 | do { \ | ||
53 | memcpy(dst, src, len); \ | ||
54 | flush_icache_page(vma, page); \ | ||
55 | } while (0) | ||
56 | |||
57 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
58 | memcpy(dst, src, len) | ||
59 | |||
60 | /* | ||
61 | * primitive routines | ||
62 | */ | ||
63 | #ifndef CONFIG_MN10300_CACHE_DISABLED | ||
64 | extern void mn10300_icache_inv(void); | ||
65 | extern void mn10300_dcache_inv(void); | ||
66 | extern void mn10300_dcache_inv_page(unsigned start); | ||
67 | extern void mn10300_dcache_inv_range(unsigned start, unsigned end); | ||
68 | extern void mn10300_dcache_inv_range2(unsigned start, unsigned size); | ||
69 | #ifdef CONFIG_MN10300_CACHE_WBACK | ||
70 | extern void mn10300_dcache_flush(void); | ||
71 | extern void mn10300_dcache_flush_page(unsigned start); | ||
72 | extern void mn10300_dcache_flush_range(unsigned start, unsigned end); | ||
73 | extern void mn10300_dcache_flush_range2(unsigned start, unsigned size); | ||
74 | extern void mn10300_dcache_flush_inv(void); | ||
75 | extern void mn10300_dcache_flush_inv_page(unsigned start); | ||
76 | extern void mn10300_dcache_flush_inv_range(unsigned start, unsigned end); | ||
77 | extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size); | ||
78 | #else | ||
79 | #define mn10300_dcache_flush() do {} while (0) | ||
80 | #define mn10300_dcache_flush_page(start) do {} while (0) | ||
81 | #define mn10300_dcache_flush_range(start, end) do {} while (0) | ||
82 | #define mn10300_dcache_flush_range2(start, size) do {} while (0) | ||
83 | #define mn10300_dcache_flush_inv() mn10300_dcache_inv() | ||
84 | #define mn10300_dcache_flush_inv_page(start) \ | ||
85 | mn10300_dcache_inv_page((start)) | ||
86 | #define mn10300_dcache_flush_inv_range(start, end) \ | ||
87 | mn10300_dcache_inv_range((start), (end)) | ||
88 | #define mn10300_dcache_flush_inv_range2(start, size) \ | ||
89 | mn10300_dcache_inv_range2((start), (size)) | ||
90 | #endif /* CONFIG_MN10300_CACHE_WBACK */ | ||
91 | #else | ||
92 | #define mn10300_icache_inv() do {} while (0) | ||
93 | #define mn10300_dcache_inv() do {} while (0) | ||
94 | #define mn10300_dcache_inv_page(start) do {} while (0) | ||
95 | #define mn10300_dcache_inv_range(start, end) do {} while (0) | ||
96 | #define mn10300_dcache_inv_range2(start, size) do {} while (0) | ||
97 | #define mn10300_dcache_flush() do {} while (0) | ||
98 | #define mn10300_dcache_flush_inv_page(start) do {} while (0) | ||
99 | #define mn10300_dcache_flush_inv() do {} while (0) | ||
100 | #define mn10300_dcache_flush_inv_range(start, end) do {} while (0) | ||
101 | #define mn10300_dcache_flush_inv_range2(start, size) do {} while (0) | ||
102 | #define mn10300_dcache_flush_page(start) do {} while (0) | ||
103 | #define mn10300_dcache_flush_range(start, end) do {} while (0) | ||
104 | #define mn10300_dcache_flush_range2(start, size) do {} while (0) | ||
105 | #endif /* CONFIG_MN10300_CACHE_DISABLED */ | ||
106 | |||
107 | /* | ||
108 | * internal debugging function | ||
109 | */ | ||
110 | #ifdef CONFIG_DEBUG_PAGEALLOC | ||
111 | extern void kernel_map_pages(struct page *page, int numpages, int enable); | ||
112 | #endif | ||
113 | |||
114 | #endif /* __ASSEMBLY__ */ | ||
115 | |||
116 | #endif /* _ASM_CACHEFLUSH_H */ | ||