PPSMC_MSG_ReadSerialNumTop32
result = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
MSG_MAP(ReadSerialNumTop32, PPSMC_MSG_ReadSerialNumTop32, 1),