1/* $OpenBSD: regdef.h,v 1.5 2014/03/10 21:10:36 miod Exp $ */
2
3/*
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell. This file is derived from the MIPS RISC
9 * Architecture book by Gerry Kane.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * @(#)regdef.h 8.1 (Berkeley) 6/10/93
36 */
37#ifndef _MIPS64_REGDEF_H_
38#define _MIPS64_REGDEF_H_
39
40#define zero $0 /* always zero */
41#define AT $at /* assembler temp */
42#define v0 $2 /* return value */
43#define v1 $3
44#define a0 $4 /* argument registers */
45#define a1 $5
46#define a2 $6
47#define a3 $7
48#define a4 $8
49#define a5 $9
50#define a6 $10
51#define a7 $11
52#define ta0 $8 /* alias */
53#define ta1 $9
54#define ta2 $10
55#define ta3 $11
56#define t0 $12 /* temp registers (not saved across subroutine calls) */
57#define t1 $13
58#define t2 $14
59#define t3 $15
60#define s0 $16 /* saved across subroutine calls (callee saved) */
61#define s1 $17
62#define s2 $18
63#define s3 $19
64#define s4 $20
65#define s5 $21
66#define s6 $22
67#define s7 $23
68#define t8 $24 /* two more temp registers */
69#define t9 $25
70#define k0 $26 /* kernel temporary */
71#define k1 $27
72#define gp $28 /* global pointer */
73#define sp $29 /* stack pointer */
74#define s8 $30 /* one more callee saved */
75#define ra $31 /* return address */
76
77#endif /* !_MIPS64_REGDEF_H_ */