diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
index 80ce1af4e6..c0378f5bd2 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
@@ -9,6 +9,19 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
 #include "PiSmmCpuCommon.h"
 
+/**
+  To get system port address of the SMI Command Port.
+
+**/
+VOID
+GetSmiCommandPort (
+  VOID
+  )
+{
+  mSmiCommandPort = 0xB2;
+  DEBUG ((DEBUG_INFO, "mSmiCommandPort = %x\n", mSmiCommandPort));
+}
+
 /**
   Get SmmCpuSyncConfig data: RelaxedMode, SyncTimeout, SyncTimeout2.