adv_is_chip_halted
if (adv_stop_chip(adv) == 0 || adv_is_chip_halted(adv) == 0) {
halted = adv_is_chip_halted(adv);
if (adv_is_chip_halted(adv))
while (adv_is_chip_halted(adv) == 0
return (adv_is_chip_halted(adv));
int adv_is_chip_halted(struct adv_softc *adv);