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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _IA32_SYS_KDI_REGS_H
28#define	_IA32_SYS_KDI_REGS_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36#define	KDIREG_NGREG	21
37
38/*
39 * %ss appears in a different place than a typical struct regs, since the
40 * machine won't save %ss on a trap entry from the same privilege level.
41 */
42
43#define	KDIREG_SAVFP	0
44#define	KDIREG_SAVPC	1
45#define	KDIREG_SS	2
46#define	KDIREG_GS	3
47#define	KDIREG_FS	4
48#define	KDIREG_ES	5
49#define	KDIREG_DS	6
50#define	KDIREG_EDI	7
51#define	KDIREG_ESI	8
52#define	KDIREG_EBP	9
53#define	KDIREG_ESP	10
54#define	KDIREG_EBX	11
55#define	KDIREG_EDX	12
56#define	KDIREG_ECX	13
57#define	KDIREG_EAX	14
58#define	KDIREG_TRAPNO	15
59#define	KDIREG_ERR	16
60#define	KDIREG_EIP	17
61#define	KDIREG_CS	18
62#define	KDIREG_EFLAGS	19
63#define	KDIREG_UESP	20
64
65#define	KDIREG_PC	KDIREG_EIP
66#define	KDIREG_SP	KDIREG_ESP
67#define	KDIREG_FP	KDIREG_EBP
68
69#ifdef _ASM
70
71/* Patch point for MSR clearing. */
72#define	KDI_MSR_PATCH \
73	nop; nop; nop; nop; \
74	nop; nop; nop; nop; \
75	nop; nop; nop; nop; \
76	nop
77
78#endif /* _ASM */
79
80#define	KDI_MSR_PATCHOFF	8	/* bytes of code before patch point */
81#define	KDI_MSR_PATCHSZ		13	/* bytes in KDI_MSR_PATCH, above */
82
83#ifdef __cplusplus
84}
85#endif
86
87#endif /* _IA32_SYS_KDI_REGS_H */
88