diff options
Diffstat (limited to 'arch/sh/cpu/sh4/cache.c')
| -rw-r--r-- | arch/sh/cpu/sh4/cache.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c index 377005cd4..dc75e3981 100644 --- a/arch/sh/cpu/sh4/cache.c +++ b/arch/sh/cpu/sh4/cache.c @@ -106,3 +106,25 @@ int cache_control(unsigned int cmd) return 0; } + +void dcache_wback_range(u32 start, u32 end) +{ + u32 v; + + start &= ~(L1_CACHE_BYTES - 1); + for (v = start; v < end; v += L1_CACHE_BYTES) { + asm volatile ("ocbwb %0" : /* no output */ + : "m" (__m(v))); + } +} + +void dcache_invalid_range(u32 start, u32 end) +{ + u32 v; + + start &= ~(L1_CACHE_BYTES - 1); + for (v = start; v < end; v += L1_CACHE_BYTES) { + asm volatile ("ocbi %0" : /* no output */ + : "m" (__m(v))); + } +} |