LCOM1920-T02G10

/*        $NetBSD: trap.h,v 1.2 2003/08/07 16:30:33 agc Exp $        */

/*-

 * Copyright (c) 1990 The Regents of the University of California.

 * All rights reserved.

 *

 * This code is derived from software contributed to Berkeley by

 * William Jolitz.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *

 *        @(#)trap.h        5.4 (Berkeley) 5/9/91

 */

/*

 * Trap type values

 * also known in trap.c for name strings

 */

#define        T_PRIVINFLT         0        /* privileged instruction */

#define        T_BPTFLT         1        /* breakpoint trap */

#define        T_ARITHTRAP         2        /* arithmetic trap */

#define        T_ASTFLT         3        /* asynchronous system trap */

#define        T_PROTFLT         4        /* protection fault */

#define        T_TRCTRAP         5        /* trace trap */

#define        T_PAGEFLT         6        /* page fault */

#define        T_ALIGNFLT         7        /* alignment fault */

#define        T_DIVIDE         8        /* integer divide fault */

#define        T_NMI                 9        /* non-maskable interrupt */

#define        T_OFLOW                10        /* overflow trap */

#define        T_BOUND                11        /* bounds check fault */

#define        T_DNA                12        /* device not available fault */

#define        T_DOUBLEFLT        13        /* double fault */

#define        T_FPOPFLT        14        /* fp coprocessor operand fetch fault */

#define        T_TSSFLT        15        /* invalid tss fault */

#define        T_SEGNPFLT        16        /* segment not present fault */

#define        T_STKFLT        17        /* stack fault */

#define        T_MCA                18        /* machine check */

#define T_XMM                19        /* SSE FP exception */

#define T_RESERVED        20        /* reserved fault base */

/* Trap's coming from user mode */

#define        T_USER        0x100

/* Flags kludged into the trap code */

#define TC_TSS                0x80000000

#define TC_FLAGMASK        (TC_TSS)