xref: /freebsd/sys/arm/include/sysarch.h (revision e081d0ac198714ca75df3e5ba643f29ae61fb2b4)
1371853e5SOlivier Houchard /*	$NetBSD: sysarch.h,v 1.5 2003/09/11 09:40:12 kleink Exp $	*/
2371853e5SOlivier Houchard 
3d8315c79SWarner Losh /*-
4371853e5SOlivier Houchard  * Copyright (c) 1996-1997 Mark Brinicombe.
5371853e5SOlivier Houchard  * All rights reserved.
6371853e5SOlivier Houchard  *
7371853e5SOlivier Houchard  * Redistribution and use in source and binary forms, with or without
8371853e5SOlivier Houchard  * modification, are permitted provided that the following conditions
9371853e5SOlivier Houchard  * are met:
10371853e5SOlivier Houchard  * 1. Redistributions of source code must retain the above copyright
11371853e5SOlivier Houchard  *    notice, this list of conditions and the following disclaimer.
12371853e5SOlivier Houchard  * 2. Redistributions in binary form must reproduce the above copyright
13371853e5SOlivier Houchard  *    notice, this list of conditions and the following disclaimer in the
14371853e5SOlivier Houchard  *    documentation and/or other materials provided with the distribution.
15371853e5SOlivier Houchard  * 3. All advertising materials mentioning features or use of this software
16371853e5SOlivier Houchard  *    must display the following acknowledgement:
17371853e5SOlivier Houchard  *	This product includes software developed by Mark Brinicombe.
18371853e5SOlivier Houchard  * 4. The name of the company nor the name of the author may be used to
19371853e5SOlivier Houchard  *    endorse or promote products derived from this software without specific
20371853e5SOlivier Houchard  *    prior written permission.
21371853e5SOlivier Houchard  *
22371853e5SOlivier Houchard  * THIS SOFTWARE IS PROVIDED BY AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23371853e5SOlivier Houchard  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24371853e5SOlivier Houchard  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25371853e5SOlivier Houchard  * IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26371853e5SOlivier Houchard  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27371853e5SOlivier Houchard  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28371853e5SOlivier Houchard  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29371853e5SOlivier Houchard  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30371853e5SOlivier Houchard  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31371853e5SOlivier Houchard  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32371853e5SOlivier Houchard  * SUCH DAMAGE.
33371853e5SOlivier Houchard  */
34371853e5SOlivier Houchard 
35371853e5SOlivier Houchard /* $FreeBSD$ */
36371853e5SOlivier Houchard 
37371853e5SOlivier Houchard #ifndef _ARM_SYSARCH_H_
38371853e5SOlivier Houchard #define _ARM_SYSARCH_H_
39371853e5SOlivier Houchard 
40e081d0acSRafal Jaworowski #include <machine/armreg.h>
41e081d0acSRafal Jaworowski /*
42e081d0acSRafal Jaworowski  * The ARM_TP_ADDRESS points to a special purpose page, which is used as local
43e081d0acSRafal Jaworowski  * store for the ARM per-thread data and Restartable Atomic Sequences support.
44e081d0acSRafal Jaworowski  * Put it just above the "high" vectors' page.
45e081d0acSRafal Jaworowski  */
46e081d0acSRafal Jaworowski #define ARM_TP_ADDRESS		(ARM_VECTORS_HIGH + 0x1000)
47e081d0acSRafal Jaworowski #define ARM_RAS_START		(ARM_TP_ADDRESS + 4)
48e081d0acSRafal Jaworowski #define ARM_RAS_END		(ARM_TP_ADDRESS + 8)
49e081d0acSRafal Jaworowski 
50e081d0acSRafal Jaworowski #ifndef LOCORE
51e081d0acSRafal Jaworowski 
52371853e5SOlivier Houchard #include <sys/cdefs.h>
53371853e5SOlivier Houchard 
54371853e5SOlivier Houchard /*
55371853e5SOlivier Houchard  * Pickup definition of uintptr_t
56371853e5SOlivier Houchard  */
57371853e5SOlivier Houchard #include <sys/stdint.h>
58371853e5SOlivier Houchard 
59371853e5SOlivier Houchard /*
60371853e5SOlivier Houchard  * Architecture specific syscalls (arm)
61371853e5SOlivier Houchard  */
62371853e5SOlivier Houchard 
63371853e5SOlivier Houchard #define ARM_SYNC_ICACHE		0
64371853e5SOlivier Houchard #define ARM_DRAIN_WRITEBUF	1
65a74985cdSOlivier Houchard #define ARM_SET_TP		2
66a74985cdSOlivier Houchard #define ARM_GET_TP		3
67371853e5SOlivier Houchard 
68371853e5SOlivier Houchard struct arm_sync_icache_args {
69371853e5SOlivier Houchard 	uintptr_t	addr;		/* Virtual start address */
70371853e5SOlivier Houchard 	size_t		len;		/* Region size */
71371853e5SOlivier Houchard };
72371853e5SOlivier Houchard 
73371853e5SOlivier Houchard #ifndef _KERNEL
74371853e5SOlivier Houchard __BEGIN_DECLS
75371853e5SOlivier Houchard int	arm_sync_icache (u_int addr, int len);
76371853e5SOlivier Houchard int	arm_drain_writebuf (void);
77a74985cdSOlivier Houchard int	sysarch(int, void *);
78371853e5SOlivier Houchard __END_DECLS
79371853e5SOlivier Houchard #endif
80371853e5SOlivier Houchard 
81e081d0acSRafal Jaworowski #endif /* LOCORE */
82e081d0acSRafal Jaworowski 
83371853e5SOlivier Houchard #endif /* !_ARM_SYSARCH_H_ */
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