ubmap
(void)ubmap(0, (int)buf, size);
pdc = (struct de_cdata *)ubmap(0, (int)dc, sizeof(struct de_cdata));
ubaddr = ubmap(0, (int)sc, sizeof(struct qe_softc));
ubauda = (struct uda *)ubmap(494,
uda.uda_cmd.mscp_seq.seq_buffer = ubmap(0, (int)buf, size);
int ubmap(int mapno, int vaddr, int size);