Return to regdef.h CVS log

Up to [local] / sys / arch / mips64 / include

Annotation of sys/arch/mips64/include/regdef.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: regdef.h,v 1.3 2005/08/07 07:29:44 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 _MIPS_REGDEF_H_
        !            38: #define _MIPS_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: #if defined(__mips_n32) || defined(__mips_n64)
        !            49: #define a4     $8      /* expanded register arguments */
        !            50: #define a5     $9
        !            51: #define a6     $10
        !            52: #define a7     $11
        !            53: #define ta0    $8      /* alias */
        !            54: #define ta1    $9
        !            55: #define ta2    $10
        !            56: #define ta3    $11
        !            57: #define t0     $12     /* temp registers (not saved across subroutine calls) */
        !            58: #define t1     $13
        !            59: #define t2     $14
        !            60: #define t3     $15
        !            61: #else
        !            62: #define t0     $8      /* temp registers (not saved across subroutine calls) */
        !            63: #define t1     $9
        !            64: #define t2     $10
        !            65: #define t3     $11
        !            66: #define t4     $12
        !            67: #define t5     $13
        !            68: #define t6     $14
        !            69: #define t7     $15
        !            70: #define ta0    $12     /* alias */
        !            71: #define ta1    $13
        !            72: #define ta2    $14
        !            73: #define ta3    $15
        !            74: #endif
        !            75: #define s0     $16     /* saved across subroutine calls (callee saved) */
        !            76: #define s1     $17
        !            77: #define s2     $18
        !            78: #define s3     $19
        !            79: #define s4     $20
        !            80: #define s5     $21
        !            81: #define s6     $22
        !            82: #define s7     $23
        !            83: #define t8     $24     /* two more temp registers */
        !            84: #define t9     $25
        !            85: #define k0     $26     /* kernel temporary */
        !            86: #define k1     $27
        !            87: #define gp     $28     /* global pointer */
        !            88: #define sp     $29     /* stack pointer */
        !            89: #define s8     $30     /* one more callee saved */
        !            90: #define ra     $31     /* return address */
        !            91:
        !            92: #endif /* !_MIPS_REGDEF_H_ */