1 #ifndef _M68KNOMMU_CACHEFLUSH_H
2 #define _M68KNOMMU_CACHEFLUSH_H
5 * (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com>
9 #define flush_cache_all() __flush_cache_all()
10 #define flush_cache_mm(mm) do { } while (0)
11 #define flush_cache_range(vma, start, end) do { } while (0)
12 #define flush_cache_page(vma, vmaddr) do { } while (0)
13 #define flush_dcache_range(start,len) do { } while (0)
14 #define flush_dcache_page(page) do { } while (0)
15 #define flush_icache_range(start,len) __flush_cache_all()
16 #define flush_icache_page(vma,pg) do { } while (0)
17 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
18 #define flush_cache_vmap(start, end) flush_cache_all()
19 #define flush_cache_vunmap(start, end) flush_cache_all()
21 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
23 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26 extern inline void __flush_cache_all(void)
30 * Use cpushl to push and invalidate all cache lines.
31 * Gas doesn't seem to know how to generate the ColdFire
32 * cpushl instruction... Oh well, bit stuff it for now.
34 __asm__ __volatile__ (
42 "cmpl #0x00000800,%%a0\n\t"
48 #endif /* CONFIG_M5407 */
50 __asm__ __volatile__ (
51 "movel #0x01000000, %%d0\n\t"
52 "movec %%d0, %%CACR\n\t"
54 "movel #0x80000100, %%d0\n\t"
55 "movec %%d0, %%CACR\n\t"
58 #endif /* CONFIG_M5272 */
59 #if 0 /* CONFIG_M5249 */
60 __asm__ __volatile__ (
61 "movel #0x01000000, %%d0\n\t"
62 "movec %%d0, %%CACR\n\t"
64 "movel #0xa0000200, %%d0\n\t"
65 "movec %%d0, %%CACR\n\t"
68 #endif /* CONFIG_M5249 */
71 #endif /* _M68KNOMMU_CACHEFLUSH_H */