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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_ */