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