xref: /dragonfly/test/nvmm/demo/smallkern/trap.h (revision 3bac6f2a)
1*3bac6f2aSAaron LI /*	$NetBSD: trap.h,v 1.3 2020/03/14 04:55:14 maxv Exp $	*/
2*3bac6f2aSAaron LI 
3*3bac6f2aSAaron LI /*-
4*3bac6f2aSAaron LI  * Copyright (c) 1990 The Regents of the University of California.
5*3bac6f2aSAaron LI  * All rights reserved.
6*3bac6f2aSAaron LI  *
7*3bac6f2aSAaron LI  * This code is derived from software contributed to Berkeley by
8*3bac6f2aSAaron LI  * William Jolitz.
9*3bac6f2aSAaron LI  *
10*3bac6f2aSAaron LI  * Redistribution and use in source and binary forms, with or without
11*3bac6f2aSAaron LI  * modification, are permitted provided that the following conditions
12*3bac6f2aSAaron LI  * are met:
13*3bac6f2aSAaron LI  * 1. Redistributions of source code must retain the above copyright
14*3bac6f2aSAaron LI  *    notice, this list of conditions and the following disclaimer.
15*3bac6f2aSAaron LI  * 2. Redistributions in binary form must reproduce the above copyright
16*3bac6f2aSAaron LI  *    notice, this list of conditions and the following disclaimer in the
17*3bac6f2aSAaron LI  *    documentation and/or other materials provided with the distribution.
18*3bac6f2aSAaron LI  * 3. Neither the name of the University nor the names of its contributors
19*3bac6f2aSAaron LI  *    may be used to endorse or promote products derived from this software
20*3bac6f2aSAaron LI  *    without specific prior written permission.
21*3bac6f2aSAaron LI  *
22*3bac6f2aSAaron LI  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23*3bac6f2aSAaron LI  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24*3bac6f2aSAaron LI  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25*3bac6f2aSAaron LI  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26*3bac6f2aSAaron LI  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27*3bac6f2aSAaron LI  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28*3bac6f2aSAaron LI  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29*3bac6f2aSAaron LI  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30*3bac6f2aSAaron LI  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31*3bac6f2aSAaron LI  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*3bac6f2aSAaron LI  * SUCH DAMAGE.
33*3bac6f2aSAaron LI  *
34*3bac6f2aSAaron LI  *	@(#)trap.h	5.4 (Berkeley) 5/9/91
35*3bac6f2aSAaron LI  */
36*3bac6f2aSAaron LI 
37*3bac6f2aSAaron LI #ifndef TRAP_H_
38*3bac6f2aSAaron LI #define TRAP_H_
39*3bac6f2aSAaron LI 
40*3bac6f2aSAaron LI #define T_PRIVINFLT	 0	/* privileged instruction */
41*3bac6f2aSAaron LI #define T_BPTFLT	 1	/* breakpoint trap */
42*3bac6f2aSAaron LI #define T_ARITHTRAP	 2	/* arithmetic trap */
43*3bac6f2aSAaron LI #define T_ASTFLT	 3	/* asynchronous system trap */
44*3bac6f2aSAaron LI #define T_PROTFLT	 4	/* protection fault */
45*3bac6f2aSAaron LI #define T_TRCTRAP	 5	/* trace trap */
46*3bac6f2aSAaron LI #define T_PAGEFLT	 6	/* page fault */
47*3bac6f2aSAaron LI #define T_ALIGNFLT	 7	/* alignment fault */
48*3bac6f2aSAaron LI #define T_DIVIDE	 8	/* integer divide fault */
49*3bac6f2aSAaron LI #define T_NMI		 9	/* non-maskable interrupt */
50*3bac6f2aSAaron LI #define T_OFLOW		10	/* overflow trap */
51*3bac6f2aSAaron LI #define T_BOUND		11	/* bounds check fault */
52*3bac6f2aSAaron LI #define T_DNA		12	/* device not available fault */
53*3bac6f2aSAaron LI #define T_DOUBLEFLT	13	/* double fault */
54*3bac6f2aSAaron LI #define T_FPOPFLT	14	/* fp coprocessor operand fetch fault */
55*3bac6f2aSAaron LI #define T_TSSFLT	15	/* invalid tss fault */
56*3bac6f2aSAaron LI #define T_SEGNPFLT	16	/* segment not present fault */
57*3bac6f2aSAaron LI #define T_STKFLT	17	/* stack fault */
58*3bac6f2aSAaron LI #define T_MCA		18	/* machine check */
59*3bac6f2aSAaron LI #define T_XMM		19	/* SSE FP exception */
60*3bac6f2aSAaron LI #define T_RESERVED	20	/* reserved fault base */
61*3bac6f2aSAaron LI 
62*3bac6f2aSAaron LI /*
63*3bac6f2aSAaron LI  * Size of the Interrupt Descriptor Table (IDT)
64*3bac6f2aSAaron LI  * Extracted from: /sys/arch/amd64/include/param.h
65*3bac6f2aSAaron LI  */
66*3bac6f2aSAaron LI #ifndef NCPUIDT
67*3bac6f2aSAaron LI #define NCPUIDT		32	/* reserved entries for CPU exceptions */
68*3bac6f2aSAaron LI #endif
69*3bac6f2aSAaron LI 
70*3bac6f2aSAaron LI #endif /* TRAP_H_ */
71