xref: /netbsd-src/sys/arch/or1k/include/trap.h (revision 27620987b8618edefe3919667fcfb2a0eb02578b)
1 /*-
2  * Copyright (c) 2014 The NetBSD Foundation, Inc.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The NetBSD Foundation
6  * by Matt Thomas of 3am Software Foundry.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef _OR1K_TRAP_H_
31 #define _OR1K_TRAP_H_
32 
33 // OpenRISC 1000 Trap Vectors.
34 // These are named like the PowerPC ones since it seems that's
35 // where they stole them from.
36 
37 #define	EXC_RESET	0x100
38 #define EXC_BUS		0x200	// EXC_MCHK on PowerPC
39 #define EXC_DFAULT	0x300	// EXC_DSI on PowerPC
40 #define EXC_IFAULT	0x400	// EXC_ISI on PowerPC
41 #define EXC_TICK	0x500	// EXC_DEC on PowerPC
42 #define EXC_ALI		0x600
43 #define EXC_PGM		0x700
44 #define EXC_EXI		0x800
45 #define EXC_DMISS	0x900
46 #define EXC_IMISS	0xa00
47 #define EXC_RANGE	0xb00	// Not on PowerPC
48 #define EXC_SC		0xc00
49 #define EXC_FP		0xd00	// EXC_FPA on PowerPC
50 #define EXC_TRAP	0xe00	// EXC_TRC on PowerPC
51 
52 #endif /* _OR1K_TRAP_H_ */
53