sim/common/sim-run.c

   1 /* Generic simulator run.
   2    Copyright (C) 1997, 2007, 2008, 2009, 2010, 2011
   3    Free Software Foundation, Inc.
   4    Contributed by Cygnus Support.
   5
   6 This file is part of GDB, the GNU debugger.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "sim-main.h"
  22 #include "sim-assert.h"
  23
  24 /* Generic implementation of sim_engine_run that works within the
  25    sim_engine setjmp/longjmp framework. */
  26
  27 #define IMEM XCONCAT
  28
  29 void
  30 sim_engine_run (SIM_DESC sd,
  31                 int next_cpu_nr, /* ignore */
  32                 int nr_cpus, /* ignore */
  33                 int siggnal) /* ignore */
  34 {
  35   sim_cia cia;
  36   sim_cpu *cpu;
  37   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
  38   cpu = STATE_CPU (sd, 0);
  39   cia = CIA_GET (cpu);
  40   while (1)
  41     {
  42       instruction_word insn = IMEM32 (cia);
  43       cia = idecode_issue (sd, insn, cia);
  44       /* process any events */
  45       if (sim_events_tick (sd))
  46         {
  47           CIA_SET (cpu, cia);
  48           sim_events_process (sd);
  49         }
  50     }
  51 }