diff options
Diffstat (limited to 'arch/m68k/include/asm/cacheflush_no.h')
| -rw-r--r-- | arch/m68k/include/asm/cacheflush_no.h | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index cb88aa96c4f..d2b3935ae14 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -30,18 +30,22 @@ void mcf_cache_push(void); -static inline void __flush_cache_all(void) +static inline void __clear_cache_all(void) { -#ifdef CACHE_PUSH - mcf_cache_push(); -#endif #ifdef CACHE_INVALIDATE __asm__ __volatile__ ( - "movel %0, %%d0\n\t" - "movec %%d0, %%CACR\n\t" + "movec %0, %%CACR\n\t" "nop\n\t" - : : "i" (CACHE_INVALIDATE) : "d0" ); + : : "r" (CACHE_INVALIDATE) ); +#endif +} + +static inline void __flush_cache_all(void) +{ +#ifdef CACHE_PUSH + mcf_cache_push(); #endif + __clear_cache_all(); } /* @@ -53,10 +57,9 @@ static inline void __flush_icache_all(void) { #ifdef CACHE_INVALIDATEI __asm__ __volatile__ ( - "movel %0, %%d0\n\t" - "movec %%d0, %%CACR\n\t" + "movec %0, %%CACR\n\t" "nop\n\t" - : : "i" (CACHE_INVALIDATEI) : "d0" ); + : : "r" (CACHE_INVALIDATEI) ); #endif } @@ -67,13 +70,31 @@ static inline void __flush_dcache_all(void) #endif #ifdef CACHE_INVALIDATED __asm__ __volatile__ ( - "movel %0, %%d0\n\t" - "movec %%d0, %%CACR\n\t" + "movec %0, %%CACR\n\t" "nop\n\t" - : : "i" (CACHE_INVALIDATED) : "d0" ); + : : "r" (CACHE_INVALIDATED) ); #else - /* Flush the wrtite buffer */ + /* Flush the write buffer */ __asm__ __volatile__ ( "nop" ); #endif } + +/* + * Push cache entries at supplied address. We want to write back any dirty + * data and then invalidate the cache lines associated with this address. + */ +static inline void cache_push(unsigned long paddr, int len) +{ + __flush_cache_all(); +} + +/* + * Clear cache entries at supplied address (that is don't write back any + * dirty data). + */ +static inline void cache_clear(unsigned long paddr, int len) +{ + __clear_cache_all(); +} + #endif /* _M68KNOMMU_CACHEFLUSH_H */ |