1/*	$NetBSD: regnum.h,v 1.12 2020/07/26 08:08:41 simonb Exp $	*/
  2
  3/*
  4 * Copyright (c) 1988 University of Utah.
  5 * Copyright (c) 1992, 1993
  6 *	The Regents of the University of California.  All rights reserved.
  7 *
  8 * This code is derived from software contributed to Berkeley by
  9 * the Systems Programming Group of the University of Utah Computer
 10 * Science Department and Ralph Campbell.
 11 *
 12 * Redistribution and use in source and binary forms, with or without
 13 * modification, are permitted provided that the following conditions
 14 * are met:
 15 * 1. Redistributions of source code must retain the above copyright
 16 *    notice, this list of conditions and the following disclaimer.
 17 * 2. Redistributions in binary form must reproduce the above copyright
 18 *    notice, this list of conditions and the following disclaimer in the
 19 *    documentation and/or other materials provided with the distribution.
 20 * 3. Neither the name of the University nor the names of its contributors
 21 *    may be used to endorse or promote products derived from this software
 22 *    without specific prior written permission.
 23 *
 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 34 * SUCH DAMAGE.
 35 *
 36 * from: Utah Hdr: reg.h 1.1 90/07/09
 37 *
 38 *	@(#)reg.h	8.2 (Berkeley) 1/11/94
 39 */
 40
 41/*
 42 * Location of the users' stored
 43 * registers relative to ZERO.
 44 * Usage is p->p_regs[XX].
 45 */
 46#define	_R_ZERO		0		/* hardware zero */
 47#define	_R_AST		1		/* caller-saved */
 48#define	_R_V0		2		/* caller-saved */
 49#define	_R_V1		3		/* caller-saved */
 50#define	_R_A0		4		/* caller-saved */
 51#define	_R_A1		5		/* caller-saved */
 52#define	_R_A2		6		/* caller-saved */
 53#define	_R_A3		7		/* caller-saved */
 54#if defined(__mips_n32) || defined(__mips_n64)
 55#define	_R_A4		8		/* caller-saved */
 56#define	_R_A5		9		/* caller-saved */
 57#define	_R_A6		10		/* caller-saved */
 58#define	_R_A7		11		/* caller-saved */
 59#define	_R_T0		12		/* caller-saved */
 60#define	_R_T1		13		/* caller-saved */
 61#define	_R_T2		14		/* caller-saved */
 62#define	_R_T3		15		/* caller-saved */
 63#else
 64#define	_R_T0		8		/* caller-saved */
 65#define	_R_T1		9		/* caller-saved */
 66#define	_R_T2		10		/* caller-saved */
 67#define	_R_T3		11		/* caller-saved */
 68#define	_R_T4		12		/* caller-saved */
 69#define	_R_T5		13		/* caller-saved */
 70#define	_R_T6		14		/* caller-saved */
 71#define	_R_T7		15		/* caller-saved */
 72#endif /* __mips_n32 || __mips_n64 */
 73#define	_R_S0		16		/* CALLEE-saved */
 74#define	_R_S1		17		/* CALLEE-saved */
 75#define	_R_S2		18		/* CALLEE-saved */
 76#define	_R_S3		19		/* CALLEE-saved */
 77#define	_R_S4		20		/* CALLEE-saved */
 78#define	_R_S5		21		/* CALLEE-saved */
 79#define	_R_S6		22		/* CALLEE-saved */
 80#define	_R_S7		23		/* CALLEE-saved */
 81#define	_R_T8		24		/* caller-saved */
 82#define	_R_T9		25		/* caller-saved */
 83#define	_R_K0		26		/* kernel reserved */
 84#define	_R_K1		27		/* kernel reserved */
 85#define	_R_GP		28		/* CALLEE-saved */
 86#define	_R_SP		29		/* CALLEE-saved */
 87#define	_R_S8		30		/* CALLEE-saved */
 88#define	_R_RA		31		/* caller-saved */
 89#define	_R_SR		32
 90#define	_R_PS		_R_SR	/* alias for SR */
 91
 92/* See <mips/regdef.h> for an explanation. */
 93#if defined(__mips_n32) || defined(__mips_n64)
 94#define	_R_TA0		8
 95#define	_R_TA1		9
 96#define	_R_TA2		10
 97#define	_R_TA3		11
 98#else
 99#define	_R_TA0		12
100#define	_R_TA1		13
101#define	_R_TA2		14
102#define	_R_TA3		15
103#endif /* __mips_n32 || __mips_n64 */
104
105#define	_R_MULLO	33
106#define	_R_MULHI	34
107#define	_R_BADVADDR	35
108#define	_R_CAUSE	36
109#define	_R_PC		37
110
111#define	_FPBASE		(_R_PC + 1)
112#define	_R_F0		(_FPBASE+0)
113#define	_R_F1		(_FPBASE+1)
114#define	_R_F2		(_FPBASE+2)
115#define	_R_F3		(_FPBASE+3)
116#define	_R_F4		(_FPBASE+4)
117#define	_R_F5		(_FPBASE+5)
118#define	_R_F6		(_FPBASE+6)
119#define	_R_F7		(_FPBASE+7)
120#define	_R_F8		(_FPBASE+8)
121#define	_R_F9		(_FPBASE+9)
122#define	_R_F10		(_FPBASE+10)
123#define	_R_F11		(_FPBASE+11)
124#define	_R_F12		(_FPBASE+12)
125#define	_R_F13		(_FPBASE+13)
126#define	_R_F14		(_FPBASE+14)
127#define	_R_F15		(_FPBASE+15)
128#define	_R_F16		(_FPBASE+16)
129#define	_R_F17		(_FPBASE+17)
130#define	_R_F18		(_FPBASE+18)
131#define	_R_F19		(_FPBASE+19)
132#define	_R_F20		(_FPBASE+20)
133#define	_R_F21		(_FPBASE+21)
134#define	_R_F22		(_FPBASE+22)
135#define	_R_F23		(_FPBASE+23)
136#define	_R_F24		(_FPBASE+24)
137#define	_R_F25		(_FPBASE+25)
138#define	_R_F26		(_FPBASE+26)
139#define	_R_F27		(_FPBASE+27)
140#define	_R_F28		(_FPBASE+28)
141#define	_R_F29		(_FPBASE+29)
142#define	_R_F30		(_FPBASE+30)
143#define	_R_F31		(_FPBASE+31)
144#define	_R_FSR		(_FPBASE+32)
145
146#define	_R_DSPBASE	(_R_FSR + 1)
147#define	_R_MULLO1	(_R_DSPBASE + 0)
148#define	_R_MULHI1	(_R_DSPBASE + 1)
149#define	_R_MULLO2	(_R_DSPBASE + 2)
150#define	_R_MULHI2	(_R_DSPBASE + 3)
151#define	_R_MULLO3	(_R_DSPBASE + 4)
152#define	_R_MULHI3	(_R_DSPBASE + 5)
153#define	_R_DSPCTL	(_R_DSPBASE + 6)