Annotation of sys/arch/vax/include/trap.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: trap.h,v 1.12 2003/06/02 23:27:57 millert Exp $ */
2: /* $NetBSD: trap.h,v 1.18 2000/06/04 02:19:26 matt Exp $ */
3:
4: /*-
5: * Copyright (c) 1990 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * William Jolitz.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)trap.h 5.4 (Berkeley) 5/9/91
36: */
37:
38: /*
39: * Trap type values
40: * also known in trap.c for name strings
41: */
42: #ifndef _VAX_TRAP_H_
43: #define _VAX_TRAP_H_
44:
45: #define T_RESADFLT 0 /* reserved addressing */
46: #define T_PRIVINFLT 1 /* privileged instruction */
47: #define T_RESOPFLT 2 /* reserved operand */
48: #define T_BPTFLT 3 /* breakpoint instruction */
49: #define T_XFCFLT 4 /* Customer reserved instruction */
50: #define T_SYSCALL 5 /* system call (kcall) */
51: #define T_ARITHFLT 6 /* arithmetic trap */
52: #define T_ASTFLT 7 /* system forced exception */
53: #define T_PTELEN 8 /* Page table length exceeded */
54: #define T_TRANSFLT 9 /* translation fault */
55: #define T_TRCTRAP 10 /* trace trap */
56: #define T_COMPAT 11 /* compatibility mode fault on VAX */
57: #define T_ACCFLT 12 /* Access violation fault */
58: #define T_KSPNOTVAL 15 /* kernel stack pointer not valid */
59: #define T_KDBTRAP 17 /* kernel debugger trap */
60:
61: /* These gets ORed with the word for page handling routines */
62: #define T_WRITE 0x80
63: #define T_PTEFETCH 0x40
64:
65: /* Trap's coming from user mode */
66: #define T_USER 0x100
67:
68: #ifndef _LOCORE
69: struct trapframe {
70: long fp; /* Stack frame pointer */
71: long ap; /* Argument pointer on user stack */
72: long sp; /* Stack pointer */
73: long r0; /* General registers saved upon trap/syscall */
74: long r1;
75: long r2;
76: long r3;
77: long r4;
78: long r5;
79: long r6;
80: long r7;
81: long r8;
82: long r9;
83: long r10;
84: long r11;
85: long trap; /* Type of trap */
86: long code; /* Trap specific code */
87: long pc; /* User pc */
88: long psl; /* User psl */
89: };
90:
91: #endif /* _LOCORE */
92:
93: #endif /* _VAX_TRAP_H_ */
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