1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
4  */
5 #ifndef	_ASM_CACHECTL
6 #define	_ASM_CACHECTL
7 
8 /*
9  * Options for cacheflush system call
10  */
11 #define	ICACHE	(1<<0)		/* flush instruction cache        */
12 #define	DCACHE	(1<<1)		/* writeback and flush data cache */
13 #define	BCACHE	(ICACHE|DCACHE)	/* flush both caches              */
14 
15 /*
16  * Caching modes for the cachectl(2) call
17  *
18  * cachectl(2) is currently not supported and returns ENOSYS.
19  */
20 #define CACHEABLE	0	/* make pages cacheable */
21 #define UNCACHEABLE	1	/* make pages uncacheable */
22 
23 #endif	/* _ASM_CACHECTL */
24