CBB_SPECMAPPED
switch (sc->sc_flags & (CBB_MEMHMAPPED|CBB_SPECMAPPED)) {
case CBB_MEMHMAPPED|CBB_SPECMAPPED:
sc->sc_flags &= ~(CBB_MEMHMAPPED|CBB_SPECMAPPED);
sc->sc_flags |= CBB_MEMHMAPPED|CBB_SPECMAPPED;