diff options
Diffstat (limited to 'include/asm-mips64/cachectl.h')
-rw-r--r-- | include/asm-mips64/cachectl.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-mips64/cachectl.h b/include/asm-mips64/cachectl.h new file mode 100644 index 000000000..eef984361 --- /dev/null +++ b/include/asm-mips64/cachectl.h @@ -0,0 +1,27 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994, 1995, 1996, 1999 by Ralf Baechle + * Copyright (C) 1999 Silicon Graphics, Inc. + */ +#ifndef _ASM_CACHECTL +#define _ASM_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 + * + * cachctl(2) is currently not supported and returns ENOSYS. + */ +#define CACHEABLE 0 /* make pages cacheable */ +#define UNCACHEABLE 1 /* make pages uncacheable */ + +#endif /* _ASM_CACHECTL */ |