sim-run.c revision 1.7
1/* Generic simulator run. 2 Copyright (C) 1997-2017 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