mftbu 81 arch/powerpc/boot/ppc_asm.h #define MFTBU(dest) mftbu dest mftbu 408 arch/powerpc/include/asm/ppc_asm.h #define MFTBU(dest) mftbu dest mftbu 71 arch/powerpc/include/asm/time.h return mftbu(); mftbu 408 tools/testing/selftests/powerpc/primitives/asm/ppc_asm.h #define MFTBU(dest) mftbu dest