HAL_INT_BMISS
| HAL_INT_BMISS
if (status & HAL_INT_BMISS) {
sc->sc_imask &~ (HAL_INT_SWBA | HAL_INT_BMISS));
sc->sc_imask &= ~(HAL_INT_SWBA | HAL_INT_BMISS);
sc->sc_imask &= ~(HAL_INT_SWBA | HAL_INT_BMISS);
sc->sc_imask |= HAL_INT_BMISS;