xref: /openbsd-src/sys/arch/arm/include/sysarch.h (revision 4a39ccd02c887d988c1a5398dd2142879056da5f)
1 /*	$OpenBSD: sysarch.h,v 1.3 2012/12/05 23:20:11 deraadt Exp $	*/
2 /*	$NetBSD: sysarch.h,v 1.4 2002/03/30 06:23:39 thorpej Exp $	*/
3 
4 /*
5  * Copyright (c) 1996-1997 Mark Brinicombe.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Mark Brinicombe.
19  * 4. The name of the company nor the name of the author may be used to
20  *    endorse or promote products derived from this software without specific
21  *    prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef _ARM_SYSARCH_H_
37 #define _ARM_SYSARCH_H_
38 
39 /*
40  * Architecture specific syscalls (arm)
41  */
42 
43 #define ARM_SYNC_ICACHE		0
44 #define ARM_DRAIN_WRITEBUF	1
45 
46 struct arm_sync_icache_args {
47 	u_int32_t	addr;		/* Virtual start address */
48 	size_t		len;		/* Region size */
49 };
50 
51 #ifndef _KERNEL
52 
53 #include <sys/cdefs.h>
54 
55 __BEGIN_DECLS
56 int	arm_sync_icache (u_int addr, int len);
57 int	arm_drain_writebuf (void);
58 int	sysarch (int, void *);
59 __END_DECLS
60 #endif
61 
62 #endif /* !_ARM_SYSARCH_H_ */
63