bus_space_read_region_stream_2
bus_space_read_region_stream_2(buft, bufh, src, wrd, 2);
bus_space_read_region_stream_2(buft, bufh, src, dst,
bus_space_read_region_stream_2(buft, bufh, src, dst, amount >> 1);
bus_space_read_region_stream_2(buft, bufh, src + amount - 1,
bus_space_read_region_stream_2(t->bs_base, bsh, offset, addr, count);
bus_space_read_region_stream_2(memt, memh, from,
bus_space_read_region_stream_2(wdr->data32iot,
#undef bus_space_read_region_stream_2
#undef bus_space_read_region_stream_2