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Annotation of sys/arch/amd64/include/trap.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: trap.h,v 1.2 2005/12/13 00:18:19 jsg Exp $    */
        !             2: /*     $NetBSD: trap.h,v 1.4 1994/10/27 04:16:30 cgd 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:
        !            43: #define        T_PRIVINFLT      0      /* privileged instruction */
        !            44: #define        T_BPTFLT         1      /* breakpoint trap */
        !            45: #define        T_ARITHTRAP      2      /* arithmetic trap */
        !            46: #define        T_ASTFLT         3      /* asynchronous system trap */
        !            47: #define        T_PROTFLT        4      /* protection fault */
        !            48: #define        T_TRCTRAP        5      /* trace trap */
        !            49: #define        T_PAGEFLT        6      /* page fault */
        !            50: #define        T_ALIGNFLT       7      /* alignment fault */
        !            51: #define        T_DIVIDE         8      /* integer divide fault */
        !            52: #define        T_NMI            9      /* non-maskable interrupt */
        !            53: #define        T_OFLOW         10      /* overflow trap */
        !            54: #define        T_BOUND         11      /* bounds check fault */
        !            55: #define        T_DNA           12      /* device not available fault */
        !            56: #define        T_DOUBLEFLT     13      /* double fault */
        !            57: #define        T_FPOPFLT       14      /* fp coprocessor operand fetch fault (![P]Pro)*/
        !            58: #define        T_TSSFLT        15      /* invalid tss fault */
        !            59: #define        T_SEGNPFLT      16      /* segment not present fault */
        !            60: #define        T_STKFLT        17      /* stack fault */
        !            61: #define        T_MCA           18      /* machine check ([P]Pro) */
        !            62: #define        T_XMM           19      /* SSE FP exception */
        !            63: #define        T_RESERVED      20      /* reserved fault base */
        !            64:
        !            65: /* Trap's coming from user mode */
        !            66: #define        T_USER  0x100
        !            67:
        !            68: /* Flags kludged into the trap code */
        !            69: #define TC_TSS         0x80000000
        !            70: #define TC_FLAGMASK    (TC_TSS)