RR_SHRD_LBW_AR_RAZWI_HAPPENED
lbw_shrd_ar = RREG32(lbw_rtr_mstr_if_base_addr + RR_SHRD_LBW_AR_RAZWI_HAPPENED);
WREG32(lbw_rtr_mstr_if_base_addr + RR_SHRD_LBW_AR_RAZWI_HAPPENED, lbw_shrd_ar);
razwi_happened_addr = mstr_if_base_addr + RR_SHRD_LBW_AR_RAZWI_HAPPENED;