xref: /freebsd/sys/amd64/include/frame.h (revision 42c159fe388a3765f69860c84183700af37aca8a)
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  * $FreeBSD$
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 
51 struct 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 
76 struct 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 
106 struct 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 
132 struct 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 
156 int	kdb_trap(int, int, struct trapframe *);
157 extern  int (*pmath_emulate)(struct trapframe *);
158 
159 #define	INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs)
160 
161 #endif /* _MACHINE_FRAME_H_ */
162