MSMON_CFG_MBWU_CTL_OFLOW_STATUS_L
*cur_ctl &= ~MSMON_CFG_MBWU_CTL_OFLOW_STATUS_L;
overflow = cur_ctl & MSMON_CFG_MBWU_CTL_OFLOW_STATUS_L;
MSMON_CFG_MBWU_CTL_OFLOW_STATUS_L));