SH4_UTLB_ENTRY
e = SH4_UTLB_ENTRY - UPAGES;
for (e = 0; e < SH4_UTLB_ENTRY; ++e) {
limit = limit ? (limit >> SH4_MMUCR_URB_SHIFT) : SH4_UTLB_ENTRY;
cr |= (SH4_UTLB_ENTRY - UPAGES) << SH4_MMUCR_URB_SHIFT;