VTOPSEG
v86.ds = VTOPSEG(¶ms);
packet.seg = VTOPSEG(buf);
v86.ds = VTOPSEG(&packet);
packet.seg = VTOPSEG(buf);
v86.ds = VTOPSEG(&packet);
v86.es = VTOPSEG(&smap);
packet.seg = VTOPSEG(dest);
v86.ds = VTOPSEG(&packet);
v86.es = VTOPSEG(dest);
v86.ds = VTOPSEG(&bc_sp);
v86.ds = VTOPSEG(&dparams);
v86.es = VTOPSEG(&smap);
#define vsegofs(vptr) (((u_int32_t)VTOPSEG(vptr) << 16) + VTOPOFF(vptr))
v86.es = VTOPSEG(&buf);
v86.es = VTOPSEG(ptr);
v86.addr = (VTOPSEG(__pxenventry) << 16) | VTOPOFF(__pxenventry);
v86.edx = VTOPSEG(ptr);
v86.addr = (VTOPSEG(__bangpxeentry) << 16) | VTOPOFF(__bangpxeentry);
trans_p->TBD.segment = VTOPSEG(tbd_p);
tbd_p->Xmit.segment = VTOPSEG(data);
v86.es = VTOPSEG(vbe);
v86.es = VTOPSEG(mi);
v86.es = VTOPSEG(ci);
v86.es = VTOPSEG(pe);
v86.es = VTOPSEG(buf);
v86.es = VTOPSEG(buf);