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