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Annotation of sys/arch/vax/include/trap.h, Revision 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_ */