[people/ms/u-boot.git] / arch / mips / include / asm / cachectl.h

/*
 * 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 */
Commit	Line	Data
6069ff26	1	/*
282223a6 SK	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
6069ff26 WD	5	*
	6	* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
	7	*/
282223a6 SK	8	#ifndef _ASM_CACHECTL
282223a6 SK	9	#define _ASM_CACHECTL
6069ff26 WD	10
	11	/*
	12	* Options for cacheflush system call
	13	*/
	14	#define ICACHE (1<<0) /* flush instruction cache */
	15	#define DCACHE (1<<1) /* writeback and flush data cache */
	16	#define BCACHE (ICACHE\|DCACHE) /* flush both caches */
	17
	18	/*
	19	* Caching modes for the cachectl(2) call
	20	*
	21	* cachectl(2) is currently not supported and returns ENOSYS.
	22	*/
	23	#define CACHEABLE 0 /* make pages cacheable */
	24	#define UNCACHEABLE 1 /* make pages uncacheable */
	25
282223a6	26	#endif /* _ASM_CACHECTL */