EG_PCB_NULL
EG_PCB_STAT) != EG_PCB_NULL)
(bus_space_read_1(iot, ioh, EG_CONTROL) & ~EG_PCB_STAT) | EG_PCB_NULL);
(bus_space_read_1(iot, ioh, EG_CONTROL) & ~EG_PCB_STAT) | EG_PCB_NULL);
EG_PCB_STAT) == EG_PCB_NULL)
if ((bus_space_read_1(iot, ioh, EG_STATUS) & EG_PCB_STAT) != EG_PCB_NULL) {