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 #include "sim-inline.h"
  28 #include "sim-types.h"
  29 #include "sim-bits.h"
  30 #include "sim-endian.h"
  31
  32 /* These are generated files.  */
  33 #include "itable.h"
  34 #include "idecode.h"
  35 #include "idecode.h"
  36
  37 #include "cpu.h"
  38 #include "alu.h"
  39
  40 #include "sim-core.h"
  41 #include "sim-events.h"
  42 #include "sim-io.h"
  43
  44
  45 struct sim_state {
  46
  47   /* real time */
  48   sim_events events;
  49
  50   /* memory and IO */
  51   sim_core core;
  52
  53   /* escape route for inner functions */
  54   int halt_ok;
  55   jmp_buf path_to_halt;
  56   int restart_ok;
  57   jmp_buf path_to_restart;
  58
  59   /* status from last halt */
  60   enum sim_stop reason;
  61   int siggnal;
  62
  63   /* the processors proper */
  64   sim_cpu cpu;
  65 #define STATE_CPU(sd, n) (&(sd)->cpu)
  66
  67   /* The base class.  */
  68   sim_state_base base;
  69
  70 };
  71
  72 /* (re) initialize the simulator */
  73
  74 extern void engine_init
  75 (SIM_DESC sd);
  76
  77
  78 /* Mechanisms for stopping/restarting the simulation */
  79
  80 extern void engine_error
  81 (SIM_DESC sd,
  82  instruction_address cia,
  83  const char *fmt,
  84  ...);
  85
  86 extern void engine_halt
  87 (SIM_DESC sd,
  88  instruction_address cia,
  89  enum sim_stop reason,
  90  int siggnal);
  91
  92 extern void engine_restart
  93 (SIM_DESC sd,
  94  instruction_address cia);
  95
  96
  97
  98
  99 /* SIMULATE INSTRUCTIONS, various different ways of achieving the same
 100    thing (others later) */
 101
 102 extern void engine_run_until_stop
 103 (SIM_DESC sd,
 104  volatile int *keep_running);
 105
 106
 107 #endif