sys/arch/alpha/include/reg.h

   1 /* $NetBSD: reg.h,v 1.3 1997/04/06 08:47:40 cgd 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
  75 struct reg {
  76         u_int64_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  */
  88 struct fpreg {
  89         u_int64_t       fpr_regs[32];
  90         u_int64_t       fpr_cr;
  91 };
  92
  93 #ifdef _KERNEL
  94 void    restorefpstate(struct fpreg *);
  95 void    savefpstate(struct fpreg *);
  96 #endif
  97
  98 #endif /* _ALPHA_REG_H_ */