1/* $NetBSD: reg.h,v 1.4 2000/06/08 03:10:06 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30#ifndef _ALPHA_REG_H_ 31#define _ALPHA_REG_H_ 32 33/* 34 * XXX where did this info come from? 35 */ 36 37/* 38 * Struct reg, used for procfs and in signal contexts 39 * Note that in signal contexts, it's represented as an array. 40 * That array has to look exactly like 'struct reg' though. 41 */ 42#define R_V0 0 43#define R_T0 1 44#define R_T1 2 45#define R_T2 3 46#define R_T3 4 47#define R_T4 5 48#define R_T5 6 49#define R_T6 7 50#define R_T7 8 51#define R_S0 9 52#define R_S1 10 53#define R_S2 11 54#define R_S3 12 55#define R_S4 13 56#define R_S5 14 57#define R_S6 15 58#define R_A0 16 59#define R_A1 17 60#define R_A2 18 61#define R_A3 19 62#define R_A4 20 63#define R_A5 21 64#define R_T8 22 65#define R_T9 23 66#define R_T10 24 67#define R_T11 25 68#define R_RA 26 69#define R_T12 27 70#define R_AT 28 71#define R_GP 29 72#define R_SP 30 73#define R_ZERO 31 74 75struct reg { 76 uint64_t r_regs[32]; 77}; 78 79/* 80 * Floating point unit state. (also, register set used for ptrace.) 81 * 82 * The floating point registers for a process, saved only when 83 * necessary. 84 * 85 * Note that in signal contexts, it's represented as an array. 86 * That array has to look exactly like 'struct reg' though. 87 */ 88struct fpreg { 89 uint64_t fpr_regs[32]; 90 uint64_t fpr_cr; 91}; 92 93#ifdef _KERNEL 94void restorefpstate(struct fpreg *); 95void savefpstate(struct fpreg *); 96#endif 97 98#endif /* _ALPHA_REG_H_ */ 99