| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 1994, 1995, 1996 by Ralf Baechle |
| 7 | */ |
| Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 8 | #ifndef _ASM_CACHECTL |
| 9 | #define _ASM_CACHECTL |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
| 11 | /* |
| 12 | * Options for cacheflush system call |
| 13 | */ |
| Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 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 */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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_CACHECTL */ |