Annotation of sys/arch/alpha/include/reg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: reg.h,v 1.5 2002/03/14 01:26:27 millert Exp $ */
! 2: /* $NetBSD: reg.h,v 1.2 1995/03/28 18:14:07 jtc Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994, 1995 Carnegie-Mellon University.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Chris G. Demetriou
! 9: *
! 10: * Permission to use, copy, modify and distribute this software and
! 11: * its documentation is hereby granted, provided that both the copyright
! 12: * notice and this permission notice appear in all copies of the
! 13: * software, derivative works or modified versions, and any portions
! 14: * thereof, and that both notices appear in supporting documentation.
! 15: *
! 16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 19: *
! 20: * Carnegie Mellon requests users of this software to return to
! 21: *
! 22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 23: * School of Computer Science
! 24: * Carnegie Mellon University
! 25: * Pittsburgh PA 15213-3890
! 26: *
! 27: * any improvements or extensions that they make and grant Carnegie the
! 28: * rights to redistribute these changes.
! 29: */
! 30:
! 31: #ifndef _ALPHA_REG_H_
! 32: #define _ALPHA_REG_H_
! 33:
! 34: /*
! 35: * XXX where did this info come from?
! 36: */
! 37:
! 38: /*
! 39: * Struct reg, used for procfs and in signal contexts
! 40: * Note that in signal contexts, it's represented as an array.
! 41: * That array has to look exactly like 'struct reg' though.
! 42: */
! 43: #define R_V0 0
! 44: #define R_T0 1
! 45: #define R_T1 2
! 46: #define R_T2 3
! 47: #define R_T3 4
! 48: #define R_T4 5
! 49: #define R_T5 6
! 50: #define R_T6 7
! 51: #define R_T7 8
! 52: #define R_S0 9
! 53: #define R_S1 10
! 54: #define R_S2 11
! 55: #define R_S3 12
! 56: #define R_S4 13
! 57: #define R_S5 14
! 58: #define R_S6 15
! 59: #define R_A0 16
! 60: #define R_A1 17
! 61: #define R_A2 18
! 62: #define R_A3 19
! 63: #define R_A4 20
! 64: #define R_A5 21
! 65: #define R_T8 22
! 66: #define R_T9 23
! 67: #define R_T10 24
! 68: #define R_T11 25
! 69: #define R_RA 26
! 70: #define R_T12 27
! 71: #define R_AT 28
! 72: #define R_GP 29
! 73: #define R_SP 30
! 74: #define R_ZERO 31
! 75:
! 76: struct reg {
! 77: u_long r_regs[32];
! 78: };
! 79:
! 80: /*
! 81: * Floating point unit state. (also, register set used for ptrace.)
! 82: *
! 83: * The floating point registers for a process, saved only when
! 84: * necessary.
! 85: *
! 86: * Note that in signal contexts, it's represented as an array.
! 87: * That array has to look exactly like 'struct reg' though.
! 88: */
! 89: struct fpreg {
! 90: u_long fpr_regs[32];
! 91: u_long fpr_cr;
! 92: };
! 93:
! 94: #ifdef _KERNEL
! 95: void restorefpstate(struct fpreg *);
! 96: void savefpstate(struct fpreg *);
! 97: void frametoreg(struct trapframe *, struct reg *);
! 98: void regtoframe(struct reg *, struct trapframe *);
! 99: #endif
! 100:
! 101: #endif /* _ALPHA_REG_H_ */
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