PFM_CTL_offSEL1   720 arch/nds32/include/asm/bitfield.h #define PFM_CTL_mskSEL1		( 0x3F  << PFM_CTL_offSEL1 )
PFM_CTL_offSEL1    30 arch/nds32/include/asm/pmu.h u32 PFM_CTL_OFFSEL[3] = { PFM_CTL_offSEL0, PFM_CTL_offSEL1,