sim/tic80/cpu.h

   1 /* TIc80 Simulator.
   2    Copyright (C) 1997 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB, the GNU debugger.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21
  22
  23 struct _sim_cpu {
  24   unsigned32 reg[32];
  25   unsigned64 acc[4];
  26   sim_cia cia;
  27   sim_cpu_base base;
  28 };
  29
  30 #define GPR(N) ((CPU)->reg[N])
  31 #define ACC(N) ((CPU)->acc[N])
  32
  33 #define SP_FPR(N) (GPR(N))
  34 #define DP_FPR(N) (*(unsigned64*)&GPR(N))
  35 #define vSP_FPR(N) (N == 0 ? (unsigned32)0 : GPR(N))
  36 #define vDP_FPR(N) (*(unsigned64*)&GPR(N))