Linux kernel mirror (for testing)
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linux
1#ifndef _ASM_M32R_CACHEFLUSH_H
2#define _ASM_M32R_CACHEFLUSH_H
3
4#include <linux/mm.h>
5
6extern void _flush_cache_all(void);
7extern void _flush_cache_copyback_all(void);
8
9#if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104)
10#define flush_cache_all() do { } while (0)
11#define flush_cache_mm(mm) do { } while (0)
12#define flush_cache_range(vma, start, end) do { } while (0)
13#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
14#define flush_dcache_page(page) do { } while (0)
15#define flush_dcache_mmap_lock(mapping) do { } while (0)
16#define flush_dcache_mmap_unlock(mapping) do { } while (0)
17#ifndef CONFIG_SMP
18#define flush_icache_range(start, end) _flush_cache_copyback_all()
19#define flush_icache_page(vma,pg) _flush_cache_copyback_all()
20#define flush_icache_user_range(vma,pg,adr,len) _flush_cache_copyback_all()
21#define flush_cache_sigtramp(addr) _flush_cache_copyback_all()
22#else /* CONFIG_SMP */
23extern void smp_flush_cache_all(void);
24#define flush_icache_range(start, end) smp_flush_cache_all()
25#define flush_icache_page(vma,pg) smp_flush_cache_all()
26#define flush_icache_user_range(vma,pg,adr,len) smp_flush_cache_all()
27#define flush_cache_sigtramp(addr) _flush_cache_copyback_all()
28#endif /* CONFIG_SMP */
29#elif defined(CONFIG_CHIP_M32102)
30#define flush_cache_all() do { } while (0)
31#define flush_cache_mm(mm) do { } while (0)
32#define flush_cache_range(vma, start, end) do { } while (0)
33#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
34#define flush_dcache_page(page) do { } while (0)
35#define flush_dcache_mmap_lock(mapping) do { } while (0)
36#define flush_dcache_mmap_unlock(mapping) do { } while (0)
37#define flush_icache_range(start, end) _flush_cache_all()
38#define flush_icache_page(vma,pg) _flush_cache_all()
39#define flush_icache_user_range(vma,pg,adr,len) _flush_cache_all()
40#define flush_cache_sigtramp(addr) _flush_cache_all()
41#else
42#define flush_cache_all() do { } while (0)
43#define flush_cache_mm(mm) do { } while (0)
44#define flush_cache_range(vma, start, end) do { } while (0)
45#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
46#define flush_dcache_page(page) do { } while (0)
47#define flush_dcache_mmap_lock(mapping) do { } while (0)
48#define flush_dcache_mmap_unlock(mapping) do { } while (0)
49#define flush_icache_range(start, end) do { } while (0)
50#define flush_icache_page(vma,pg) do { } while (0)
51#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
52#define flush_cache_sigtramp(addr) do { } while (0)
53#endif /* CONFIG_CHIP_* */
54
55#define flush_cache_vmap(start, end) do { } while (0)
56#define flush_cache_vunmap(start, end) do { } while (0)
57
58#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
59do { \
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#endif /* _ASM_M32R_CACHEFLUSH_H */
67