MBR_BS_ACTIVE
needed |= MBR_BS_ACTIVE;
needed |= MBR_BS_EXTLBA | MBR_BS_ACTIVE;
needed |= MBR_BS_ACTIVE;
if (needed & MBR_BS_ACTIVE)
install_bootsel(MBR_BS_ACTIVE);
if (mboot.mbr_bootsel.mbrbs_flags & MBR_BS_ACTIVE) {
fl |= MBR_BS_ACTIVE;
fl &= MBR_BS_ACTIVE | MBR_BS_EXTLBA;
ofl = mbri->oflags & (MBR_BS_ACTIVE | MBR_BS_EXTLBA);
if (fl & ~ofl || (fl == 0 && ofl & MBR_BS_ACTIVE)) {
if (fl & MBR_BS_ACTIVE)