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Terminate the simulation on exit() from firmware #380

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Terminate the simulation on exit() from firmware #380

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28 changes: 22 additions & 6 deletions simavr/sim/sim_avr.c
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Expand Up @@ -282,6 +282,16 @@ avr_callback_sleep_gdb(
;
}

static void
gracefully_quit(
avr_t * avr,
const char * reason)
{
if (avr->log)
AVR_LOG(avr, LOG_TRACE, "simavr: %s, quitting gracefully\n", reason);
avr->state = cpu_Done;
}

void
avr_callback_run_gdb(
avr_t * avr)
Expand Down Expand Up @@ -309,13 +319,16 @@ avr_callback_run_gdb(
// until the next timer is due
avr_cycle_count_t sleep = avr_cycle_timer_process(avr);

if (avr->state == cpu_Running && new_pc == avr->pc && avr->flash[new_pc] == 0xff && avr->flash[new_pc+1] == 0xcf && !avr->sreg[S_I]) {
gracefully_quit(avr, "rjmp .-2 with interrupts off");
return;
}

avr->pc = new_pc;

if (avr->state == cpu_Sleeping) {
if (!avr->sreg[S_I]) {
if (avr->log)
AVR_LOG(avr, LOG_TRACE, "simavr: sleeping with interrupts off, quitting gracefully\n");
avr->state = cpu_Done;
gracefully_quit(avr, "sleeping with interrupts off");
return;
}
/*
Expand Down Expand Up @@ -372,13 +385,16 @@ avr_callback_run_raw(
// until the next timer is due
avr_cycle_count_t sleep = avr_cycle_timer_process(avr);

if (avr->state == cpu_Running && new_pc == avr->pc && avr->flash[new_pc] == 0xff && avr->flash[new_pc+1] == 0xcf && !avr->sreg[S_I]) {
gracefully_quit(avr, "rjmp .-2 with interrupts off");
return;
}

avr->pc = new_pc;

if (avr->state == cpu_Sleeping) {
if (!avr->sreg[S_I]) {
if (avr->log)
AVR_LOG(avr, LOG_TRACE, "simavr: sleeping with interrupts off, quitting gracefully\n");
avr->state = cpu_Done;
gracefully_quit(avr, "sleeping with interrupts off");
return;
}
/*
Expand Down