SW_AGE_CNT_M
mult = FIELD_GET(SW_AGE_CNT_M, value);
value &= ~SW_AGE_CNT_M;
value |= FIELD_PREP(SW_AGE_CNT_M, data);
mult = FIELD_GET(SW_AGE_CNT_M, value8);
value8 &= ~SW_AGE_CNT_M;
value8 |= FIELD_PREP(SW_AGE_CNT_M, data);