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
sim_engine_run(SIM_DESC sd,int next_cpu_nr,int nr_cpus,int siggnal)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 }
52