2 * Copyright (c) 1990 The Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
36 * from: @(#)frame.h 5.2 (Berkeley) 1/18/91
37 * $FreeBSD: src/sys/i386/include/frame.h,v 1.20 1999/09/29 15:06:22 marcel Exp $
38 * $DragonFly: src/sys/cpu/i386/include/frame.h,v 1.2 2003/06/17 04:28:35 dillon Exp $
41 #ifndef _MACHINE_FRAME_H_
42 #define _MACHINE_FRAME_H_ 1
45 * System stack frames.
49 * Exception/Trap Stack Frame
65 /* below portion defined in 386 hardware */
70 /* below only when crossing rings (e.g. user to kernel) */
75 /* Superset of trap frame, for traps from virtual-8086 mode */
77 struct trapframe_vm86 {
90 /* below portion defined in 386 hardware */
95 /* below only when crossing rings (e.g. user to kernel) */
98 /* below only when switching out of VM86 mode */
105 /* Interrupt stack frame */
121 int :32; /* for compat with trap frame - trapno */
122 int :32; /* for compat with trap frame - err */
123 /* below portion defined in 386 hardware */
127 /* below only when crossing rings (e.g. user to kernel) */
132 /* frame of clock (same as interrupt frame) */
148 int :32; /* for compat with trap frame - trapno */
149 int :32; /* for compat with trap frame - err */
150 /* below portion defined in 386 hardware */
154 /* below only when crossing rings (e.g. user to kernel) */
159 int kdb_trap __P((int, int, struct trapframe *));
160 extern int (*pmath_emulate) __P((struct trapframe *));
162 #define INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs)
164 #endif /* _MACHINE_FRAME_H_ */