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Diffstat (limited to 'arch/m32r/include/asm/cachectl.h')
| -rw-r--r-- | arch/m32r/include/asm/cachectl.h | 26 | 
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/cachectl.h b/arch/m32r/include/asm/cachectl.h new file mode 100644 index 00000000000..2aab8f6fff4 --- /dev/null +++ b/arch/m32r/include/asm/cachectl.h @@ -0,0 +1,26 @@ +/* + * cachectl.h -- defines for M32R cache control system calls + * + * Copyright (C) 2003 by Kazuhiro Inaoka + */ +#ifndef	__ASM_M32R_CACHECTL +#define	__ASM_M32R_CACHECTL + +/* + * Options for cacheflush system call + * + * cacheflush() is currently fluch_cache_all(). + */ +#define	ICACHE	(1<<0)		/* flush instruction cache        */ +#define	DCACHE	(1<<1)		/* writeback and flush data cache */ +#define	BCACHE	(ICACHE|DCACHE)	/* flush both caches              */ + +/* + * Caching modes for the cachectl(2) call + * + * cachectl(2) is currently not supported and returns ENOSYS. + */ +#define CACHEABLE	0	/* make pages cacheable */ +#define UNCACHEABLE	1	/* make pages uncacheable */ + +#endif	/* __ASM_M32R_CACHECTL */  | 
