GEM_CDRXADDR      744 dev/ic/gem.c   	    (((uint64_t)GEM_CDRXADDR(sc,0)) >> 32));
GEM_CDRXADDR      745 dev/ic/gem.c   	bus_space_write_4(t, h, GEM_RX_RING_PTR_LO, GEM_CDRXADDR(sc, 0));