sim/common/sim-run.c

/* Generic simulator run.
   Copyright (C) 1997, 2007, 2008, 2009 Free Software Foundation, Inc.
   Contributed by Cygnus Support.

This file is part of GDB, the GNU debugger.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "sim-main.h"
#include "sim-assert.h"

/* Generic implementation of sim_engine_run that works within the
   sim_engine setjmp/longjmp framework. */

#define IMEM XCONCAT

void
sim_engine_run (SIM_DESC sd,
		int next_cpu_nr, /* ignore */
		int nr_cpus, /* ignore */
		int siggnal) /* ignore */
{
  sim_cia cia;
  sim_cpu *cpu;
  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
  cpu = STATE_CPU (sd, 0);
  cia = CIA_GET (cpu);
  while (1)
    {
      instruction_word insn = IMEM32 (cia);
      cia = idecode_issue (sd, insn, cia);
      /* process any events */
      if (sim_events_tick (sd))
	{
	  CIA_SET (cpu, cia);
	  sim_events_process (sd);
	}
    }
}