sim/tic80/sim-main.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
   4     Copyright (C) 1997, Free Software Foundation
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20     */
  21
  22
  23 #ifndef _SIM_MAIN_H_
  24 #define _SIM_MAIN_H_
  25
  26 #include "sim-basics.h"
  27
  28 #include <signal.h>
  29 #include <errno.h>
  30 #ifdef HAVE_UNISTD_H
  31 #include <unistd.h>
  32 #endif
  33
  34 /* These are generated files.  */
  35 #include "itable.h"
  36 #include "idecode.h"
  37 #include "idecode.h"
  38
  39 typedef instruction_address sim_cia;
  40 static const sim_cia null_cia = {0}; /* Dummy */
  41 #define NULL_CIA null_cia
  42
  43 #include "sim-base.h"
  44
  45 #include "alu.h"
  46 #include "cpu.h"
  47
  48
  49 struct sim_state {
  50
  51   /* escape route for inner functions */
  52   int halt_ok;
  53   jmp_buf path_to_halt;
  54   int restart_ok;
  55   jmp_buf path_to_restart;
  56
  57   /* status from last halt */
  58   enum sim_stop reason;
  59   int siggnal;
  60
  61   /* the processors proper */
  62   sim_cpu cpu;
  63 #define STATE_CPU(sd, n) (&(sd)->cpu)
  64
  65   /* The base class.  */
  66   sim_state_base base;
  67
  68 };
  69
  70 /* (re) initialize the simulator */
  71
  72 extern void engine_init
  73 (SIM_DESC sd);
  74
  75
  76 #ifndef HAVE_GETPID
  77 #define getpid() 42
  78 #endif
  79
  80 #ifndef HAVE_KILL
  81 #define kill() (errno = EINVAL, -1)
  82 #endif
  83 #endif