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