diff options
Diffstat (limited to 'include/asm-m32r/cacheflush.h')
-rw-r--r-- | include/asm-m32r/cacheflush.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/asm-m32r/cacheflush.h b/include/asm-m32r/cacheflush.h new file mode 100644 index 000000000000..46fc4c325108 --- /dev/null +++ b/include/asm-m32r/cacheflush.h | |||
@@ -0,0 +1,68 @@ | |||
1 | #ifndef _ASM_M32R_CACHEFLUSH_H | ||
2 | #define _ASM_M32R_CACHEFLUSH_H | ||
3 | |||
4 | #include <linux/config.h> | ||
5 | #include <linux/mm.h> | ||
6 | |||
7 | extern void _flush_cache_all(void); | ||
8 | extern void _flush_cache_copyback_all(void); | ||
9 | |||
10 | #if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) | ||
11 | #define flush_cache_all() do { } while (0) | ||
12 | #define flush_cache_mm(mm) do { } while (0) | ||
13 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
14 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
15 | #define flush_dcache_page(page) do { } while (0) | ||
16 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
17 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
18 | #ifndef CONFIG_SMP | ||
19 | #define flush_icache_range(start, end) _flush_cache_copyback_all() | ||
20 | #define flush_icache_page(vma,pg) _flush_cache_copyback_all() | ||
21 | #define flush_icache_user_range(vma,pg,adr,len) _flush_cache_copyback_all() | ||
22 | #define flush_cache_sigtramp(addr) _flush_cache_copyback_all() | ||
23 | #else /* CONFIG_SMP */ | ||
24 | extern void smp_flush_cache_all(void); | ||
25 | #define flush_icache_range(start, end) smp_flush_cache_all() | ||
26 | #define flush_icache_page(vma,pg) smp_flush_cache_all() | ||
27 | #define flush_icache_user_range(vma,pg,adr,len) smp_flush_cache_all() | ||
28 | #define flush_cache_sigtramp(addr) _flush_cache_copyback_all() | ||
29 | #endif /* CONFIG_SMP */ | ||
30 | #elif defined(CONFIG_CHIP_M32102) | ||
31 | #define flush_cache_all() do { } while (0) | ||
32 | #define flush_cache_mm(mm) do { } while (0) | ||
33 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
34 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
35 | #define flush_dcache_page(page) do { } while (0) | ||
36 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
37 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
38 | #define flush_icache_range(start, end) _flush_cache_all() | ||
39 | #define flush_icache_page(vma,pg) _flush_cache_all() | ||
40 | #define flush_icache_user_range(vma,pg,adr,len) _flush_cache_all() | ||
41 | #define flush_cache_sigtramp(addr) _flush_cache_all() | ||
42 | #else | ||
43 | #define flush_cache_all() do { } while (0) | ||
44 | #define flush_cache_mm(mm) do { } while (0) | ||
45 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
46 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
47 | #define flush_dcache_page(page) do { } while (0) | ||
48 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
49 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
50 | #define flush_icache_range(start, end) do { } while (0) | ||
51 | #define flush_icache_page(vma,pg) do { } while (0) | ||
52 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
53 | #define flush_cache_sigtramp(addr) do { } while (0) | ||
54 | #endif /* CONFIG_CHIP_* */ | ||
55 | |||
56 | #define flush_cache_vmap(start, end) do { } while (0) | ||
57 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
58 | |||
59 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
60 | do { \ | ||
61 | memcpy(dst, src, len); \ | ||
62 | flush_icache_user_range(vma, page, vaddr, len); \ | ||
63 | } while (0) | ||
64 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
65 | memcpy(dst, src, len) | ||
66 | |||
67 | #endif /* _ASM_M32R_CACHEFLUSH_H */ | ||
68 | |||