#include "sim-main.h"
#include "idecode.h"
#include "itable.h"
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#if 0
void
engine_error (SIM_DESC sd,
sim_cpu *cpu,
instruction_address cia,
const char *fmt,
...)
{
va_list ap;
va_start (ap, fmt);
sim_io_evprintf (sd, fmt, ap);
va_end (ap);
sim_halt (sd, cpu, NULL, cia, sim_stopped, SIGABRT);
}
void
engine_halt (SIM_DESC sd,
sim_cpu *cpu,
instruction_address cia,
enum sim_stop reason,
int siggnal)
{
if (!sd->halt_ok)
sim_io_error (sd, "engine_halt - bad longjmp");
sd->reason = reason;
sd->siggnal = siggnal;
sd->halt_ok = 0;
sd->restart_ok = 0;
if (cpu != NULL)
cpu->cia = cia;
longjmp (sd->path_to_halt, 1);
}
void
engine_restart (SIM_DESC sd,
sim_cpu *cpu,
instruction_address cia)
{
if (!sd->restart_ok)
sim_io_error (sd, "engine_restart - bad longjmp");
sd->restart_ok = 0;
cpu->cia = cia;
longjmp(sd->path_to_restart, 1);
}
void
engine_run_until_stop (SIM_DESC sd,
volatile int *keep_running)
{
if (!setjmp (sd->path_to_halt))
{
instruction_address cia;
sim_cpu *cpu = STATE_CPU (sd, 0);
sd->halt_ok = 1;
setjmp (sd->path_to_restart);
sd->restart_ok = 1;
cia = cpu->cia;
do
{
instruction_word insn = IMEM (cia);
cia = idecode_issue (sd, insn, cia);
}
while (*keep_running);
engine_halt (sd, cpu, cia, sim_stopped, SIM_SIGINT);
}
}
void
engine_step (SIM_DESC sd)
{
if (!setjmp (sd->path_to_halt))
{
instruction_address cia;
instruction_word insn;
sim_cpu *cpu = STATE_CPU (sd, 0);
sd->halt_ok = 1;
setjmp (sd->path_to_restart);
sd->restart_ok = 1;
cia = cpu->cia;
insn = IMEM (cia);
cia = idecode_issue (sd, insn, cia);
engine_halt (sd, cpu, cia, sim_stopped, SIM_SIGTRAP);
}
}
#endif