frame.h revision 66714 
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	from: @(#)frame.h	5.2 (Berkeley) 1/18/91
37 * $FreeBSD: head/sys/i386/include/frame.h 66714 2000-10-06 01:57:28Z jhb $
38 */
39
40#ifndef _MACHINE_FRAME_H_
41#define _MACHINE_FRAME_H_ 1
42
43/*
44 * System stack frames.
45 */
46
47/*
48 * Exception/Trap Stack Frame
49 */
50
51struct trapframe {
52	int	tf_fs;
53	int	tf_es;
54	int	tf_ds;
55	int	tf_edi;
56	int	tf_esi;
57	int	tf_ebp;
58	int	tf_isp;
59	int	tf_ebx;
60	int	tf_edx;
61	int	tf_ecx;
62	int	tf_eax;
63	int	tf_trapno;
64	/* below portion defined in 386 hardware */
65	int	tf_err;
66	int	tf_eip;
67	int	tf_cs;
68	int	tf_eflags;
69	/* below only when crossing rings (e.g. user to kernel) */
70	int	tf_esp;
71	int	tf_ss;
72};
73
74/* Superset of trap frame, for traps from virtual-8086 mode */
75
76struct trapframe_vm86 {
77	int	tf_fs;
78	int	tf_es;
79	int	tf_ds;
80	int	tf_edi;
81	int	tf_esi;
82	int	tf_ebp;
83	int	tf_isp;
84	int	tf_ebx;
85	int	tf_edx;
86	int	tf_ecx;
87	int	tf_eax;
88	int	tf_trapno;
89	/* below portion defined in 386 hardware */
90	int	tf_err;
91	int	tf_eip;
92	int	tf_cs;
93	int	tf_eflags;
94	/* below only when crossing rings (e.g. user to kernel) */
95	int	tf_esp;
96	int	tf_ss;
97	/* below only when switching out of VM86 mode */
98	int	tf_vm86_es;
99	int	tf_vm86_ds;
100	int	tf_vm86_fs;
101	int	tf_vm86_gs;
102};
103
104/* Interrupt stack frame */
105
106struct intrframe {
107	int	if_vec;
108	int	if_fs;
109	int	if_es;
110	int	if_ds;
111	int	if_edi;
112	int	if_esi;
113	int	if_ebp;
114	int	:32;
115	int	if_ebx;
116	int	if_edx;
117	int	if_ecx;
118	int	if_eax;
119	int	:32;		/* for compat with trap frame - trapno */
120	int	:32;		/* for compat with trap frame - err */
121	/* below portion defined in 386 hardware */
122	int	if_eip;
123	int	if_cs;
124	int	if_eflags;
125	/* below only when crossing rings (e.g. user to kernel) */
126	int	if_esp;
127	int	if_ss;
128};
129
130/* frame of clock (same as interrupt frame) */
131
132struct clockframe {
133	int	cf_vec;
134	int	cf_fs;
135	int	cf_es;
136	int	cf_ds;
137	int	cf_edi;
138	int	cf_esi;
139	int	cf_ebp;
140	int	:32;
141	int	cf_ebx;
142	int	cf_edx;
143	int	cf_ecx;
144	int	cf_eax;
145	int	:32;		/* for compat with trap frame - trapno */
146	int	:32;		/* for compat with trap frame - err */
147	/* below portion defined in 386 hardware */
148	int	cf_eip;
149	int	cf_cs;
150	int	cf_eflags;
151	/* below only when crossing rings (e.g. user to kernel) */
152	int	cf_esp;
153	int	cf_ss;
154};
155
156int	kdb_trap __P((int, int, struct trapframe *));
157extern  int (*pmath_emulate) __P((struct trapframe *));
158
159#define	INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs)
160
161#endif /* _MACHINE_FRAME_H_ */
162