xref: /titanic_44/usr/src/uts/intel/ia32/sys/kdi_regs.h (revision ae115bc77f6fcde83175c75b4206dc2e50747966)
1*ae115bc7Smrj /*
2*ae115bc7Smrj  * CDDL HEADER START
3*ae115bc7Smrj  *
4*ae115bc7Smrj  * The contents of this file are subject to the terms of the
5*ae115bc7Smrj  * Common Development and Distribution License (the "License").
6*ae115bc7Smrj  * You may not use this file except in compliance with the License.
7*ae115bc7Smrj  *
8*ae115bc7Smrj  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*ae115bc7Smrj  * or http://www.opensolaris.org/os/licensing.
10*ae115bc7Smrj  * See the License for the specific language governing permissions
11*ae115bc7Smrj  * and limitations under the License.
12*ae115bc7Smrj  *
13*ae115bc7Smrj  * When distributing Covered Code, include this CDDL HEADER in each
14*ae115bc7Smrj  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*ae115bc7Smrj  * If applicable, add the following below this CDDL HEADER, with the
16*ae115bc7Smrj  * fields enclosed by brackets "[]" replaced with your own identifying
17*ae115bc7Smrj  * information: Portions Copyright [yyyy] [name of copyright owner]
18*ae115bc7Smrj  *
19*ae115bc7Smrj  * CDDL HEADER END
20*ae115bc7Smrj  */
21*ae115bc7Smrj 
22*ae115bc7Smrj /*
23*ae115bc7Smrj  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24*ae115bc7Smrj  * Use is subject to license terms.
25*ae115bc7Smrj  */
26*ae115bc7Smrj 
27*ae115bc7Smrj #ifndef _IA32_SYS_KDI_REGS_H
28*ae115bc7Smrj #define	_IA32_SYS_KDI_REGS_H
29*ae115bc7Smrj 
30*ae115bc7Smrj #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*ae115bc7Smrj 
32*ae115bc7Smrj #ifdef __cplusplus
33*ae115bc7Smrj extern "C" {
34*ae115bc7Smrj #endif
35*ae115bc7Smrj 
36*ae115bc7Smrj #define	KDIREG_NGREG	21
37*ae115bc7Smrj 
38*ae115bc7Smrj /*
39*ae115bc7Smrj  * %ss appears in a different place than a typical struct regs, since the
40*ae115bc7Smrj  * machine won't save %ss on a trap entry from the same privilege level.
41*ae115bc7Smrj  */
42*ae115bc7Smrj 
43*ae115bc7Smrj #define	KDIREG_SAVFP	0
44*ae115bc7Smrj #define	KDIREG_SAVPC	1
45*ae115bc7Smrj #define	KDIREG_SS	2
46*ae115bc7Smrj #define	KDIREG_GS	3
47*ae115bc7Smrj #define	KDIREG_FS	4
48*ae115bc7Smrj #define	KDIREG_ES	5
49*ae115bc7Smrj #define	KDIREG_DS	6
50*ae115bc7Smrj #define	KDIREG_EDI	7
51*ae115bc7Smrj #define	KDIREG_ESI	8
52*ae115bc7Smrj #define	KDIREG_EBP	9
53*ae115bc7Smrj #define	KDIREG_ESP	10
54*ae115bc7Smrj #define	KDIREG_EBX	11
55*ae115bc7Smrj #define	KDIREG_EDX	12
56*ae115bc7Smrj #define	KDIREG_ECX	13
57*ae115bc7Smrj #define	KDIREG_EAX	14
58*ae115bc7Smrj #define	KDIREG_TRAPNO	15
59*ae115bc7Smrj #define	KDIREG_ERR	16
60*ae115bc7Smrj #define	KDIREG_EIP	17
61*ae115bc7Smrj #define	KDIREG_CS	18
62*ae115bc7Smrj #define	KDIREG_EFLAGS	19
63*ae115bc7Smrj #define	KDIREG_UESP	20
64*ae115bc7Smrj 
65*ae115bc7Smrj #define	KDIREG_PC	KDIREG_EIP
66*ae115bc7Smrj #define	KDIREG_SP	KDIREG_ESP
67*ae115bc7Smrj #define	KDIREG_FP	KDIREG_EBP
68*ae115bc7Smrj 
69*ae115bc7Smrj #ifdef _ASM
70*ae115bc7Smrj 
71*ae115bc7Smrj /* Patch point for MSR clearing. */
72*ae115bc7Smrj #define	KDI_MSR_PATCH \
73*ae115bc7Smrj 	nop; nop; nop; nop; \
74*ae115bc7Smrj 	nop; nop; nop; nop; \
75*ae115bc7Smrj 	nop; nop; nop; nop; \
76*ae115bc7Smrj 	nop
77*ae115bc7Smrj 
78*ae115bc7Smrj #endif /* _ASM */
79*ae115bc7Smrj 
80*ae115bc7Smrj #define	KDI_MSR_PATCHOFF	8	/* bytes of code before patch point */
81*ae115bc7Smrj #define	KDI_MSR_PATCHSZ		13	/* bytes in KDI_MSR_PATCH, above */
82*ae115bc7Smrj 
83*ae115bc7Smrj #ifdef __cplusplus
84*ae115bc7Smrj }
85*ae115bc7Smrj #endif
86*ae115bc7Smrj 
87*ae115bc7Smrj #endif /* _IA32_SYS_KDI_REGS_H */
88