1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 1986-1999,2002-2003 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_PRIVREGS_H
28#define	_SYS_PRIVREGS_H
29
30#ifdef	__cplusplus
31extern "C" {
32#endif
33
34/*
35 * This file is kernel isa dependent.
36 */
37
38/*
39 * This file describes the cpu's privileged register set, and
40 * how the machine state is saved on the stack when a trap occurs.
41 */
42
43#include <v7/sys/psr.h>
44#include <sys/fsr.h>
45
46#ifndef	_ASM
47
48/*
49 * This structure is only here for compatibility.  It is not used by the kernel
50 * and may be removed in a future release.  A better way to access this data
51 * is to use gregset_t; see proc(4) and ucontext(3HEAD).
52 */
53struct regs {
54	long	r_psr;		/* processor status register */
55	long	r_pc;		/* program counter */
56	long	r_npc;		/* next program counter */
57	long	r_y;		/* the y register */
58	long	r_g1;		/* user global regs */
59	long	r_g2;
60	long	r_g3;
61	long	r_g4;
62	long	r_g5;
63	long	r_g6;
64	long	r_g7;
65	long	r_o0;
66	long	r_o1;
67	long	r_o2;
68	long	r_o3;
69	long	r_o4;
70	long	r_o5;
71	long	r_o6;
72	long	r_o7;
73};
74
75#define	r_ps	r_psr		/* for portablility */
76#define	r_r0	r_o0
77#define	r_sp	r_o6
78
79#endif	/* _ASM */
80
81#ifdef	__cplusplus
82}
83#endif
84
85#endif	/* _SYS_PRIVREGS_H */
86