sim-run.c revision 1.6 
1/* Generic simulator run.
2   Copyright (C) 1997-2016 Free Software Foundation, Inc.
3   Contributed by Cygnus Support.
4
5This file is part of GDB, the GNU debugger.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19
20#include "sim-main.h"
21#include "sim-assert.h"
22
23/* Generic implementation of sim_engine_run that works within the
24   sim_engine setjmp/longjmp framework. */
25
26#define IMEM XCONCAT
27
28void
29sim_engine_run (SIM_DESC sd,
30		int next_cpu_nr, /* ignore */
31		int nr_cpus, /* ignore */
32		int siggnal) /* ignore */
33{
34  sim_cia cia;
35  sim_cpu *cpu;
36  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
37  cpu = STATE_CPU (sd, 0);
38  cia = CPU_PC_GET (cpu);
39  while (1)
40    {
41      instruction_word insn = IMEM32 (cia);
42      cia = idecode_issue (sd, insn, cia);
43      /* process any events */
44      if (sim_events_tick (sd))
45	{
46	  CPU_PC_SET (cpu, cia);
47	  sim_events_process (sd);
48	}
49    }
50}
51