105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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Copyright (C) 1997, Free Software Foundation
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _SIM_MAIN_H_
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#define _SIM_MAIN_H_
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#include "sim-basics.h"
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#include <signal.h>
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/* These are generated files. */
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#include "itable.h"
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#include "idecode.h"
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#include "idecode.h"
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typedef instruction_address sim_cia;
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static const sim_cia null_cia = {0}; /* Dummy */
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#define NULL_CIA null_cia
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#include "sim-base.h"
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#include "alu.h"
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#include "cpu.h"
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struct sim_state {
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/* escape route for inner functions */
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int halt_ok;
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jmp_buf path_to_halt;
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int restart_ok;
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jmp_buf path_to_restart;
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/* status from last halt */
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enum sim_stop reason;
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int siggnal;
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/* the processors proper */
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sim_cpu cpu;
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#define STATE_CPU(sd, n) (&(sd)->cpu)
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/* The base class. */
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sim_state_base base;
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};
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/* (re) initialize the simulator */
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extern void engine_init
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(SIM_DESC sd);
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/* Mechanisms for stopping/restarting the simulation.
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A non NULL CPU argument designates the processor that is initiating
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the halt. After the simulation has stopped that processor should
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be marked as the last one active */
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extern void engine_error
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(SIM_DESC sd,
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sim_cpu *cpu,
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instruction_address cia,
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const char *fmt,
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...);
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extern void engine_halt
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(SIM_DESC sd,
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sim_cpu *cpu,
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instruction_address cia,
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enum sim_stop reason,
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int siggnal);
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extern void engine_restart
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(SIM_DESC sd,
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sim_cpu *cpu,
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instruction_address cia);
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/* SIMULATE INSTRUCTIONS, various different ways of achieving the same
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thing (others later) */
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extern void engine_run_until_stop
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(SIM_DESC sd,
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volatile int *keep_running);
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#endif
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