1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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 */
28