xref: /onnv-gate/usr/src/uts/intel/ia32/sys/kdi_regs.h (revision 3446:5903aece022d)
1*3446Smrj /*
2*3446Smrj  * CDDL HEADER START
3*3446Smrj  *
4*3446Smrj  * The contents of this file are subject to the terms of the
5*3446Smrj  * Common Development and Distribution License (the "License").
6*3446Smrj  * You may not use this file except in compliance with the License.
7*3446Smrj  *
8*3446Smrj  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*3446Smrj  * or http://www.opensolaris.org/os/licensing.
10*3446Smrj  * See the License for the specific language governing permissions
11*3446Smrj  * and limitations under the License.
12*3446Smrj  *
13*3446Smrj  * When distributing Covered Code, include this CDDL HEADER in each
14*3446Smrj  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*3446Smrj  * If applicable, add the following below this CDDL HEADER, with the
16*3446Smrj  * fields enclosed by brackets "[]" replaced with your own identifying
17*3446Smrj  * information: Portions Copyright [yyyy] [name of copyright owner]
18*3446Smrj  *
19*3446Smrj  * CDDL HEADER END
20*3446Smrj  */
21*3446Smrj 
22*3446Smrj /*
23*3446Smrj  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24*3446Smrj  * Use is subject to license terms.
25*3446Smrj  */
26*3446Smrj 
27*3446Smrj #ifndef _IA32_SYS_KDI_REGS_H
28*3446Smrj #define	_IA32_SYS_KDI_REGS_H
29*3446Smrj 
30*3446Smrj #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*3446Smrj 
32*3446Smrj #ifdef __cplusplus
33*3446Smrj extern "C" {
34*3446Smrj #endif
35*3446Smrj 
36*3446Smrj #define	KDIREG_NGREG	21
37*3446Smrj 
38*3446Smrj /*
39*3446Smrj  * %ss appears in a different place than a typical struct regs, since the
40*3446Smrj  * machine won't save %ss on a trap entry from the same privilege level.
41*3446Smrj  */
42*3446Smrj 
43*3446Smrj #define	KDIREG_SAVFP	0
44*3446Smrj #define	KDIREG_SAVPC	1
45*3446Smrj #define	KDIREG_SS	2
46*3446Smrj #define	KDIREG_GS	3
47*3446Smrj #define	KDIREG_FS	4
48*3446Smrj #define	KDIREG_ES	5
49*3446Smrj #define	KDIREG_DS	6
50*3446Smrj #define	KDIREG_EDI	7
51*3446Smrj #define	KDIREG_ESI	8
52*3446Smrj #define	KDIREG_EBP	9
53*3446Smrj #define	KDIREG_ESP	10
54*3446Smrj #define	KDIREG_EBX	11
55*3446Smrj #define	KDIREG_EDX	12
56*3446Smrj #define	KDIREG_ECX	13
57*3446Smrj #define	KDIREG_EAX	14
58*3446Smrj #define	KDIREG_TRAPNO	15
59*3446Smrj #define	KDIREG_ERR	16
60*3446Smrj #define	KDIREG_EIP	17
61*3446Smrj #define	KDIREG_CS	18
62*3446Smrj #define	KDIREG_EFLAGS	19
63*3446Smrj #define	KDIREG_UESP	20
64*3446Smrj 
65*3446Smrj #define	KDIREG_PC	KDIREG_EIP
66*3446Smrj #define	KDIREG_SP	KDIREG_ESP
67*3446Smrj #define	KDIREG_FP	KDIREG_EBP
68*3446Smrj 
69*3446Smrj #ifdef _ASM
70*3446Smrj 
71*3446Smrj /* Patch point for MSR clearing. */
72*3446Smrj #define	KDI_MSR_PATCH \
73*3446Smrj 	nop; nop; nop; nop; \
74*3446Smrj 	nop; nop; nop; nop; \
75*3446Smrj 	nop; nop; nop; nop; \
76*3446Smrj 	nop
77*3446Smrj 
78*3446Smrj #endif /* _ASM */
79*3446Smrj 
80*3446Smrj #define	KDI_MSR_PATCHOFF	8	/* bytes of code before patch point */
81*3446Smrj #define	KDI_MSR_PATCHSZ		13	/* bytes in KDI_MSR_PATCH, above */
82*3446Smrj 
83*3446Smrj #ifdef __cplusplus
84*3446Smrj }
85*3446Smrj #endif
86*3446Smrj 
87*3446Smrj #endif /* _IA32_SYS_KDI_REGS_H */
88