projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 2966ca0e | 1 | /* |
| ad787160 C |
2 | * Copyright (c) 1992, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 2966ca0e KM |
4 | * |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Ralph Campbell. This file is derived from the MIPS RISC | |
| 7 | * Architecture book by Gerry Kane. | |
| 8 | * | |
| c0567266 KB |
9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions | |
| 11 | * are met: | |
| 12 | * 1. Redistributions of source code must retain the above copyright | |
| 13 | * notice, this list of conditions and the following disclaimer. | |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 15 | * notice, this list of conditions and the following disclaimer in the | |
| 16 | * documentation and/or other materials provided with the distribution. | |
| 17 | * 3. All advertising materials mentioning features or use of this software | |
| 18 | * must display the following acknowledgement: | |
| 19 | * This product includes software developed by the University of | |
| 20 | * California, Berkeley and its contributors. | |
| 21 | * 4. Neither the name of the University nor the names of its contributors | |
| 22 | * may be used to endorse or promote products derived from this software | |
| 23 | * without specific prior written permission. | |
| 24 | * | |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 35 | * SUCH DAMAGE. | |
| ad787160 C |
36 | * |
| 37 | * @(#)regdef.h 8.1 (Berkeley) 6/10/93 | |
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38 | */ |
| 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 t0 $8 /* temp registers (not saved across subroutine calls) */ | |
| 49 | #define t1 $9 | |
| 50 | #define t2 $10 | |
| 51 | #define t3 $11 | |
| 52 | #define t4 $12 | |
| 53 | #define t5 $13 | |
| 54 | #define t6 $14 | |
| 55 | #define t7 $15 | |
| 56 | #define s0 $16 /* saved across subroutine calls (callee saved) */ | |
| 57 | #define s1 $17 | |
| 58 | #define s2 $18 | |
| 59 | #define s3 $19 | |
| 60 | #define s4 $20 | |
| 61 | #define s5 $21 | |
| 62 | #define s6 $22 | |
| 63 | #define s7 $23 | |
| 64 | #define t8 $24 /* two more temp registers */ | |
| 65 | #define t9 $25 | |
| 66 | #define k0 $26 /* kernel temporary */ | |
| 67 | #define k1 $27 | |
| 68 | #define gp $28 /* global pointer */ | |
| 69 | #define sp $29 /* stack pointer */ | |
| 70 | #define s8 $30 /* one more callee saved */ | |
| 71 | #define ra $31 /* return address */ |