|  | /* | 
|  | * This file is subject to the terms and conditions of the GNU General Public | 
|  | * License.  See the file "COPYING" in the main directory of this archive | 
|  | * for more details. | 
|  | * | 
|  | * Copyright (C) 1994, 1995, 1996 by Ralf Baechle | 
|  | */ | 
|  | #ifndef	_ASM_CACHECTL | 
|  | #define	_ASM_CACHECTL | 
|  |  | 
|  | /* | 
|  | * Options for cacheflush system call | 
|  | */ | 
|  | #define	ICACHE	(1<<0)		/* flush instruction cache        */ | 
|  | #define	DCACHE	(1<<1)		/* writeback and flush data cache */ | 
|  | #define	BCACHE	(ICACHE|DCACHE)	/* flush both caches              */ | 
|  |  | 
|  | /* | 
|  | * Caching modes for the cachectl(2) call | 
|  | * | 
|  | * cachectl(2) is currently not supported and returns ENOSYS. | 
|  | */ | 
|  | #define CACHEABLE	0	/* make pages cacheable */ | 
|  | #define UNCACHEABLE	1	/* make pages uncacheable */ | 
|  |  | 
|  | #endif	/* _ASM_CACHECTL */ |