MIPS_ENTRYLO_XI
mask = MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI;
mask = MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI;
pa = entrylo0 & ~(MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI);
(entrylo0 & MIPS_ENTRYLO_XI) ? 1 : 0);
pa = entrylo1 & ~(MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI);
(entrylo1 & MIPS_ENTRYLO_XI) ? 1 : 0);
entry &= ~(MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI);