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/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#ifndef _MACH_I386_TRAP_H_
#define _MACH_I386_TRAP_H_
/*
* Hardware trap vectors for i386.
*/
#define T_DIVIDE_ERROR 0
#define T_DEBUG 1
#define T_NMI 2 /* non-maskable interrupt */
#define T_INT3 3 /* int 3 instruction */
#define T_OVERFLOW 4 /* overflow test */
#define T_OUT_OF_BOUNDS 5 /* bounds check */
#define T_INVALID_OPCODE 6 /* invalid op code */
#define T_NO_FPU 7 /* no floating point */
#define T_DOUBLE_FAULT 8 /* double fault */
#define T_FPU_FAULT 9
/* 10 */
#define T_SEGMENT_NOT_PRESENT 11
#define T_STACK_FAULT 12
#define T_GENERAL_PROTECTION 13
#define T_PAGE_FAULT 14
/* 15 */
#define T_FLOATING_POINT_ERROR 16
#define T_WATCHPOINT 17
/*
* Page-fault trap codes.
*/
#define T_PF_PROT 0x1 /* protection violation */
#define T_PF_WRITE 0x2 /* write access */
#define T_PF_USER 0x4 /* from user state */
#endif /* _MACH_I386_TRAP_H_ */
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