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/* $NetBSD: reg.h,v 1.2 1995/03/28 18:14:07 jtc Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _ALPHA_REG_H_
#define _ALPHA_REG_H_
/*
* XXX where did this info come from?
*/
/*
* Struct reg, used for procfs and in signal contexts
* Note that in signal contexts, it's represented as an array.
* That array has to look exactly like 'struct reg' though.
*/
#define R_V0 0
#define R_T0 1
#define R_T1 2
#define R_T2 3
#define R_T3 4
#define R_T4 5
#define R_T5 6
#define R_T6 7
#define R_T7 8
#define R_S0 9
#define R_S1 10
#define R_S2 11
#define R_S3 12
#define R_S4 13
#define R_S5 14
#define R_S6 15
#define R_A0 16
#define R_A1 17
#define R_A2 18
#define R_A3 19
#define R_A4 20
#define R_A5 21
#define R_T8 22
#define R_T9 23
#define R_T10 24
#define R_T11 25
#define R_RA 26
#define R_T12 27
#define R_AT 28
#define R_GP 29
#define R_SP 30
#define R_ZERO 31
struct reg {
u_int64_t r_regs[32];
};
/*
* Floating point unit state. (also, register set used for ptrace.)
*
* The floating point registers for a process, saved only when
* necessary.
*
* Note that in signal contexts, it's represented as an array.
* That array has to look exactly like 'struct reg' though.
*/
struct fpreg {
u_int64_t fpr_regs[32];
u_int64_t fpr_cr;
};
#ifdef _KERNEL
void restorefpstate __P((struct fpreg *));
void savefpstate __P((struct fpreg *));
#endif
#endif /* _ALPHA_REG_H_ */
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