MIPS_SPL_0_1_2_3
splvec.splclock = MIPS_SPL_0_1_2_3; //0x3f00
splvec.splstatclock = MIPS_SPL_0_1_2_3; //0x3f00
splvec.splclock = MIPS_SPL_0_1_2_3; //0x3f00
splvec.splstatclock = MIPS_SPL_0_1_2_3; //0x3f00