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1da177e4 LT |
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 | */ | |
8 | #ifndef _ASM_CACHECTL | |
9 | #define _ASM_CACHECTL | |
10 | ||
11 | /* | |
12 | * Options for cacheflush system call | |
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_CACHECTL */ |