diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index fe9b2a5f27..4f7065fca6 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -41,11 +41,22 @@
   ##  @libraryclass  Provides platform specific initialization functions in the SEC phase.
   ##
   PlatformSecLib|Include/Library/PlatformSecLib.h
-
   
+  ##  @libraryclass  Public include file for the SMM CPU Platform Hook Library.
+  ##
+  SmmCpuPlatformHookLib|Include/Library/SmmCpuPlatformHookLib.h
+  
+  ##  @libraryclass  Provides the CPU specific programming for PiSmmCpuDxeSmm module.
+  ##
+  SmmCpuFeaturesLib|Include/Library/SmmCpuFeaturesLib.h
+
 [Guids]
   gUefiCpuPkgTokenSpaceGuid      = { 0xac05bf33, 0x995a, 0x4ed4, { 0xaa, 0xb8, 0xef, 0x7a, 0xe8, 0xf, 0x5c, 0xb0 }}
 
+[Protocols]
+  ## Include/Protocol/SmmCpuService.h
+  gEfiSmmCpuServiceProtocolGuid  = { 0x1d202cab, 0xc8ab, 0x4d5c, { 0x94, 0xf7, 0x3c, 0xfc, 0xc0, 0xd3, 0xd3, 0x35 }}
+  
 #
 # [Error.gUefiCpuPkgTokenSpaceGuid]
 #   0x80000001 | Invalid value provided.
diff --git a/UefiCpuPkg/UefiCpuPkg.dsc b/UefiCpuPkg/UefiCpuPkg.dsc
index 68400e3cf8..961c970418 100644
--- a/UefiCpuPkg/UefiCpuPkg.dsc
+++ b/UefiCpuPkg/UefiCpuPkg.dsc
@@ -32,6 +32,7 @@
   BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
   CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
   DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
+  SerialPortLib|MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.inf  
   DebugPrintErrorLevelLib|MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
   DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
   UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
@@ -51,14 +52,16 @@
   DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
   LocalApicLib|UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf
   ReportStatusCodeLib|MdePkg/Library/BaseReportStatusCodeLibNull/BaseReportStatusCodeLibNull.inf
-  CpuExceptionHandlerLib|MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.inf
   SynchronizationLib|MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf
   SmmMemLib|MdePkg/Library/SmmMemLib/SmmMemLib.inf
+  SmmCpuPlatformHookLib|UefiCpuPkg/Library/SmmCpuPlatformHookLibNull/SmmCpuPlatformHookLibNull.inf
+  SmmCpuFeaturesLib|UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.inf
   PeCoffGetEntryPointLib|MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
   PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
 
 [LibraryClasses.common.SEC]
   PlatformSecLib|UefiCpuPkg/Library/PlatformSecLibNull/PlatformSecLibNull.inf
+  CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
   
 [LibraryClasses.common.PEIM]
   MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
@@ -74,11 +77,13 @@
 [LibraryClasses.common.DXE_DRIVER]
   MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
   HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
+  CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
 
 [LibraryClasses.common.DXE_SMM_DRIVER]
   SmmServicesTableLib|MdePkg/Library/SmmServicesTableLib/SmmServicesTableLib.inf
   MemoryAllocationLib|MdePkg/Library/SmmMemoryAllocationLib/SmmMemoryAllocationLib.inf
   HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
+  CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf
 
 #
 # Drivers/Libraries within this package
@@ -101,8 +106,9 @@
   UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
   UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf
   UefiCpuPkg/Library/PlatformSecLibNull/PlatformSecLibNull.inf
+  UefiCpuPkg/Library/SmmCpuPlatformHookLibNull/SmmCpuPlatformHookLibNull.inf
+  UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.inf
   UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.inf
   UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationSmm.inf
   UefiCpuPkg/SecCore/SecCore.inf
   UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf
-