NetBSD/sys/arch/alpha/include/trap.h
cgd 85854cb4ad preliminary Alpha support. note that NOT ALL OF THE MODIFICATIONS TO
THE REST OF THE KERNEL ARE IN THE TREE YET.  Also, some of this is
_incredibly_ hack-ish, etc., but it works.
1995-02-13 23:06:39 +00:00

49 lines
1.5 KiB
C

/* $NetBSD: trap.h,v 1.1 1995/02/13 23:07:58 cgd Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* 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 the
* rights to redistribute these changes.
*/
#define T_ASTFLT 0x00
#define T_UNAFLT 0x01
#define T_ARITHFLT 0x02
#define T_IFLT 0x10
#define T_BPT (T_IFLT|0x00)
#define T_BUGCHK (T_IFLT|0x01)
#define T_GENTRAP (T_IFLT|0x02)
#define T_FPDISABLED (T_IFLT|0x03)
#define T_OPDEC (T_IFLT|0x04)
#define T_MMFLT 0x20
#define T_INVALTRANS (T_MMFLT|0x00)
#define T_ACCESS (T_MMFLT|0x01)
#define T_FOR (T_MMFLT|0x02)
#define T_FOE (T_MMFLT|0x03)
#define T_FOW (T_MMFLT|0x04)
#define T_USER 0x80 /* user-mode flag or'ed with type */