xref: /netbsd-src/external/gpl3/gdb/dist/sim/common/sim-run.c (revision 88241920d21b339bf319c0e979ffda80c49a2936)
14e98e3e1Schristos /* Generic simulator run.
2*88241920Schristos    Copyright (C) 1997-2024 Free Software Foundation, Inc.
34e98e3e1Schristos    Contributed by Cygnus Support.
44e98e3e1Schristos 
54e98e3e1Schristos This file is part of GDB, the GNU debugger.
64e98e3e1Schristos 
74e98e3e1Schristos This program is free software; you can redistribute it and/or modify
84e98e3e1Schristos it under the terms of the GNU General Public License as published by
94e98e3e1Schristos the Free Software Foundation; either version 3 of the License, or
104e98e3e1Schristos (at your option) any later version.
114e98e3e1Schristos 
124e98e3e1Schristos This program is distributed in the hope that it will be useful,
134e98e3e1Schristos but WITHOUT ANY WARRANTY; without even the implied warranty of
144e98e3e1Schristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
154e98e3e1Schristos GNU General Public License for more details.
164e98e3e1Schristos 
174e98e3e1Schristos You should have received a copy of the GNU General Public License
184e98e3e1Schristos along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
194e98e3e1Schristos 
204b169a6bSchristos /* This must come before any other includes.  */
214b169a6bSchristos #include "defs.h"
224b169a6bSchristos 
234e98e3e1Schristos #include "sim-main.h"
244e98e3e1Schristos #include "sim-assert.h"
254e98e3e1Schristos 
264e98e3e1Schristos /* Generic implementation of sim_engine_run that works within the
274e98e3e1Schristos    sim_engine setjmp/longjmp framework. */
284e98e3e1Schristos 
294e98e3e1Schristos #define IMEM XCONCAT
304e98e3e1Schristos 
314e98e3e1Schristos void
324e98e3e1Schristos sim_engine_run (SIM_DESC sd,
334e98e3e1Schristos 		int next_cpu_nr, /* ignore */
344e98e3e1Schristos 		int nr_cpus, /* ignore */
354e98e3e1Schristos 		int siggnal) /* ignore */
364e98e3e1Schristos {
374e98e3e1Schristos   sim_cia cia;
384e98e3e1Schristos   sim_cpu *cpu;
394e98e3e1Schristos   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
404e98e3e1Schristos   cpu = STATE_CPU (sd, 0);
41212397c6Schristos   cia = CPU_PC_GET (cpu);
424e98e3e1Schristos   while (1)
434e98e3e1Schristos     {
444e98e3e1Schristos       instruction_word insn = IMEM32 (cia);
454e98e3e1Schristos       cia = idecode_issue (sd, insn, cia);
464e98e3e1Schristos       /* process any events */
474e98e3e1Schristos       if (sim_events_tick (sd))
484e98e3e1Schristos 	{
49212397c6Schristos 	  CPU_PC_SET (cpu, cia);
504e98e3e1Schristos 	  sim_events_process (sd);
514e98e3e1Schristos 	}
524e98e3e1Schristos     }
534e98e3e1Schristos }
54