1 #ifndef _SH_CACHECTL_H 2 #define _SH_CACHECTL_H 3 4 /* Definitions for the cacheflush system call. */ 5 6 #define CACHEFLUSH_D_INVAL 0x1 /* invalidate (without write back) */ 7 #define CACHEFLUSH_D_WB 0x2 /* write back (without invalidate) */ 8 #define CACHEFLUSH_D_PURGE 0x3 /* writeback and invalidate */ 9 10 #define CACHEFLUSH_I 0x4 11 12 /* 13 * Options for cacheflush system call 14 */ 15 #define ICACHE CACHEFLUSH_I /* flush instruction cache */ 16 #define DCACHE CACHEFLUSH_D_PURGE /* writeback and flush data cache */ 17 #define BCACHE (ICACHE|DCACHE) /* flush both caches */ 18 19 #endif /* _SH_CACHECTL_H */ 20