2 * cachectl.h -- defines for M32R cache control system calls
4 * Copyright (C) 2003 by Kazuhiro Inaoka
6 #ifndef __ASM_M32R_CACHECTL
7 #define __ASM_M32R_CACHECTL
10 * Options for cacheflush system call
12 * cacheflush() is currently fluch_cache_all().
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 */
19 * Caching modes for the cachectl(2) call
21 * cachectl(2) is currently not supported and returns ENOSYS.
23 #define CACHEABLE 0 /* make pages cacheable */
24 #define UNCACHEABLE 1 /* make pages uncacheable */
26 #endif /* __ASM_M32R_CACHECTL */