73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
|
/*
|
||
|
* Copyright (c) 1992 Regents of the University of California.
|
||
|
* All rights reserved.
|
||
|
*
|
||
|
* This code is derived from software contributed to Berkeley by
|
||
|
* Ralph Campbell. This file is derived from the MIPS RISC
|
||
|
* Architecture book by Gerry Kane.
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or without
|
||
|
* modification, are permitted provided that the following conditions
|
||
|
* are met:
|
||
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer.
|
||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
* documentation and/or other materials provided with the distribution.
|
||
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
* must display the following acknowledgement:
|
||
|
* This product includes software developed by the University of
|
||
|
* California, Berkeley and its contributors.
|
||
|
* 4. Neither the name of the University nor the names of its contributors
|
||
|
* may be used to endorse or promote products derived from this software
|
||
|
* without specific prior written permission.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
* SUCH DAMAGE.
|
||
|
*
|
||
|
* from: @(#)regdef.h 7.1 (Berkeley) 1/7/92
|
||
|
* $Id: regdef.h,v 1.1.1.1 1993/10/12 03:22:41 deraadt Exp $
|
||
|
*/
|
||
|
|
||
|
#define zero $0 /* always zero */
|
||
|
#define AT $at /* assembler temp */
|
||
|
#define v0 $2 /* return value */
|
||
|
#define v1 $3
|
||
|
#define a0 $4 /* argument registers */
|
||
|
#define a1 $5
|
||
|
#define a2 $6
|
||
|
#define a3 $7
|
||
|
#define t0 $8 /* temp registers (not saved across subroutine calls) */
|
||
|
#define t1 $9
|
||
|
#define t2 $10
|
||
|
#define t3 $11
|
||
|
#define t4 $12
|
||
|
#define t5 $13
|
||
|
#define t6 $14
|
||
|
#define t7 $15
|
||
|
#define s0 $16 /* saved across subroutine calls (callee saved) */
|
||
|
#define s1 $17
|
||
|
#define s2 $18
|
||
|
#define s3 $19
|
||
|
#define s4 $20
|
||
|
#define s5 $21
|
||
|
#define s6 $22
|
||
|
#define s7 $23
|
||
|
#define t8 $24 /* two more temp registers */
|
||
|
#define t9 $25
|
||
|
#define k0 $26 /* kernel temporary */
|
||
|
#define k1 $27
|
||
|
#define gp $28 /* global pointer */
|
||
|
#define sp $29 /* stack pointer */
|
||
|
#define s8 $30 /* one more callee saved */
|
||
|
#define ra $31 /* return address */
|