1 /* 2 * cachectl.h -- defines for M32R cache control system calls 3 * 4 * Copyright (C) 2003 by Kazuhiro Inaoka 5 */ 6 #ifndef __ASM_M32R_CACHECTL 7 #define __ASM_M32R_CACHECTL 8 9 /* 10 * Options for cacheflush system call 11 * 12 * cacheflush() is currently fluch_cache_all(). 13 */ 14 #define ICACHE (1<<0) /* flush instruction cache */ 15 #define DCACHE (1<<1) /* writeback and flush data cache */ 16 #define BCACHE (ICACHE|DCACHE) /* flush both caches */ 17 18 /* 19 * Caching modes for the cachectl(2) call 20 * 21 * cachectl(2) is currently not supported and returns ENOSYS. 22 */ 23 #define CACHEABLE 0 /* make pages cacheable */ 24 #define UNCACHEABLE 1 /* make pages uncacheable */ 25 26 #endif /* __ASM_M32R_CACHECTL */ 27