MFC0              228 arch/mips/include/asm/stackframe.h 		MFC0	k0, CP0_ENTRYHI
MFC0              263 arch/mips/include/asm/stackframe.h 		MFC0	ra, CP0_EPC
MFC0              193 arch/mips/include/asm/thread_info.h #define ASM_CPUID_MFC0		MFC0