| Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| Christopher Ferris | 1980842 | 2013-11-07 14:54:38 -0800 | [diff] [blame] | 2 | /* |
| 3 | * This file is subject to the terms and conditions of the GNU General Public |
| 4 | * License. See the file "COPYING" in the main directory of this archive |
| 5 | * for more details. |
| 6 | * |
| 7 | * Copyright (C) 1994, 1995, 1996 by Ralf Baechle |
| 8 | */ |
| 9 | #ifndef _ASM_CACHECTL |
| 10 | #define _ASM_CACHECTL |
| 11 | |
| 12 | /* |
| 13 | * Options for cacheflush system call |
| 14 | */ |
| 15 | #define ICACHE (1<<0) /* flush instruction cache */ |
| 16 | #define DCACHE (1<<1) /* writeback and flush data cache */ |
| 17 | #define BCACHE (ICACHE|DCACHE) /* flush both caches */ |
| 18 | |
| 19 | /* |
| 20 | * Caching modes for the cachectl(2) call |
| 21 | * |
| 22 | * cachectl(2) is currently not supported and returns ENOSYS. |
| 23 | */ |
| 24 | #define CACHEABLE 0 /* make pages cacheable */ |
| 25 | #define UNCACHEABLE 1 /* make pages uncacheable */ |
| 26 | |
| 27 | #endif /* _ASM_CACHECTL */ |