xref: /freebsd/sys/arm/include/sysarch.h (revision 9336e0699bda8a301cd2bfa37106b6ec5e32012e)
1 /*	$NetBSD: sysarch.h,v 1.5 2003/09/11 09:40:12 kleink Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996-1997 Mark Brinicombe.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Mark Brinicombe.
18  * 4. The name of the company nor the name of the author may be used to
19  *    endorse or promote products derived from this software without specific
20  *    prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 /* $FreeBSD$ */
36 
37 #ifndef _ARM_SYSARCH_H_
38 #define _ARM_SYSARCH_H_
39 
40 #include <sys/cdefs.h>
41 
42 /*
43  * Pickup definition of uintptr_t
44  */
45 #include <sys/stdint.h>
46 
47 /*
48  * Architecture specific syscalls (arm)
49  */
50 
51 #define ARM_SYNC_ICACHE		0
52 #define ARM_DRAIN_WRITEBUF	1
53 #define ARM_SET_TP		2
54 #define ARM_GET_TP		3
55 
56 #define ARM_TP_ADDRESS		0xe0000000 /* Magic */
57 
58 struct arm_sync_icache_args {
59 	uintptr_t	addr;		/* Virtual start address */
60 	size_t		len;		/* Region size */
61 };
62 
63 #ifndef _KERNEL
64 __BEGIN_DECLS
65 int	arm_sync_icache (u_int addr, int len);
66 int	arm_drain_writebuf (void);
67 int	sysarch(int, void *);
68 __END_DECLS
69 #endif
70 
71 #endif /* !_ARM_SYSARCH_H_ */
72