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Diffstat (limited to 'include/asm-mips/cachectl.h')
| -rw-r--r-- | include/asm-mips/cachectl.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-mips/cachectl.h b/include/asm-mips/cachectl.h new file mode 100644 index 000000000..9cc2b8721 --- /dev/null +++ b/include/asm-mips/cachectl.h @@ -0,0 +1,24 @@ +/* + * cachectl.h -- defines for MIPS cache control system calls + * + * Copyright (C) 1994, 1995, 1996 by Ralf Baechle + */ +#ifndef __ASM_MIPS_CACHECTL +#define __ASM_MIPS_CACHECTL + +/* + * Options for cacheflush system call + */ +#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_MIPS_CACHECTL */ |