MIPS_CONF5_FRE
set_c0_config5(MIPS_CONF5_FRE);
clear_c0_config5(MIPS_CONF5_FRE);
change_c0_config5(MIPS_CONF5_FRE, cfg5);
change_c0_config5(MIPS_CONF5_FRE, cfg5);
mask |= MIPS_CONF5_FRE | MIPS_CONF5_UFE;
if (change & MIPS_CONF5_FRE &&
change_c0_config5(MIPS_CONF5_FRE, val);
MIPS_CONF5_FRE |