mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/* This file is part of the program psim.
|
|
|
|
Copyright (C) 1998, Andrew Cagney <cagney@highland.com.au>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
/* This must come before any other includes. */
|
|
#include "defs.h"
|
|
|
|
#include "sim-main.h"
|
|
#include "m16_idecode.h"
|
|
#include "m32_idecode.h"
|
|
#include "bfd.h"
|
|
#include "sim-engine.h"
|
|
|
|
|
|
#define SD sd
|
|
#define CPU cpu
|
|
|
|
void
|
|
sim_engine_run (SIM_DESC sd,
|
|
int next_cpu_nr,
|
|
int nr_cpus, /* ignore */
|
|
int siggnal) /* ignore */
|
|
{
|
|
sim_cpu *cpu = STATE_CPU (sd, next_cpu_nr);
|
|
address_word cia = CPU_PC_GET (cpu);
|
|
|
|
while (1)
|
|
{
|
|
address_word nia;
|
|
|
|
#if defined (ENGINE_ISSUE_PREFIX_HOOK)
|
|
ENGINE_ISSUE_PREFIX_HOOK ();
|
|
#endif
|
|
|
|
if ((cia & 1))
|
|
{
|
|
m16_instruction_word instruction_0 = IMEM16 (cia);
|
|
nia = m16_idecode_issue (sd, instruction_0, cia);
|
|
}
|
|
else
|
|
{
|
|
m32_instruction_word instruction_0 = IMEM32 (cia);
|
|
nia = m32_idecode_issue (sd, instruction_0, cia);
|
|
}
|
|
|
|
#if defined (ENGINE_ISSUE_POSTFIX_HOOK)
|
|
ENGINE_ISSUE_POSTFIX_HOOK ();
|
|
#endif
|
|
|
|
/* Update the instruction address */
|
|
cia = nia;
|
|
|
|
/* process any events */
|
|
if (sim_events_tick (sd))
|
|
{
|
|
CPU_PC_SET (CPU, cia);
|
|
sim_events_process (sd);
|
|
cia = CPU_PC_GET (CPU);
|
|
}
|
|
|
|
}
|
|
}
|