IntelFsp2WrapperPkg : FSPM/S UPD data address based on Build Type

[mirror_edk2.git] / IntelFsp2WrapperPkg / FspsWrapperPeim / FspsWrapperPeim.c

/** @file\r
  This will be invoked only once. It will call FspMemoryInit API,\r
  register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi\r
  notify to call FspSiliconInit API.\r
\r
  Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/PeiServicesTablePointerLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/FspWrapperPlatformLib.h>\r
#include <Library/FspWrapperHobProcessLib.h>\r
#include <Library/TimerLib.h>\r
#include <Library/PerformanceLib.h>\r
#include <Library/FspWrapperApiLib.h>\r
#include <Library/FspMeasurementLib.h>\r
\r
#include <Ppi/FspSiliconInitDone.h>\r
#include <Ppi/EndOfPeiPhase.h>\r
#include <Ppi/MemoryDiscovered.h>\r
#include <Ppi/TemporaryRamDone.h>\r
#include <Ppi/SecPlatformInformation.h>\r
#include <Ppi/Tcg.h>\r
#include <Ppi/FirmwareVolumeInfoMeasurementExcluded.h>\r
#include <Library/FspWrapperApiTestLib.h>\r
#include <FspEas.h>\r
#include <FspStatusCode.h>\r
\r
extern EFI_PEI_NOTIFY_DESCRIPTOR  mS3EndOfPeiNotifyDesc;\r
extern EFI_GUID                   gFspHobGuid;\r
\r
/**\r
  This function handles S3 resume task at the end of PEI.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
EFIAPI\r
S3EndOfPeiNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  );\r
\r
EFI_PEI_NOTIFY_DESCRIPTOR  mS3EndOfPeiNotifyDesc = {\r
  (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEfiEndOfPeiSignalPpiGuid,\r
  S3EndOfPeiNotify\r
};\r
\r
/**\r
  This function handles S3 resume task at the end of PEI.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
EFIAPI\r
S3EndOfPeiNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  )\r
{\r
  NOTIFY_PHASE_PARAMS  NotifyPhaseParams;\r
  EFI_STATUS           Status;\r
\r
  DEBUG ((DEBUG_INFO, "S3EndOfPeiNotify enter\n"));\r
\r
  NotifyPhaseParams.Phase = EnumInitPhaseAfterPciEnumeration;\r
  Status                  = CallFspNotifyPhase (&NotifyPhaseParams);\r
  DEBUG ((DEBUG_INFO, "FSP S3NotifyPhase AfterPciEnumeration status: 0x%x\n", Status));\r
\r
  //\r
  // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status\r
  //\r
  if ((Status >= FSP_STATUS_RESET_REQUIRED_COLD) && (Status <= FSP_STATUS_RESET_REQUIRED_8)) {\r
    DEBUG ((DEBUG_INFO, "FSP S3NotifyPhase AfterPciEnumeration requested reset 0x%x\n", Status));\r
    CallFspWrapperResetSystem ((UINT32)Status);\r
  }\r
\r
  NotifyPhaseParams.Phase = EnumInitPhaseReadyToBoot;\r
  Status                  = CallFspNotifyPhase (&NotifyPhaseParams);\r
  DEBUG ((DEBUG_INFO, "FSP S3NotifyPhase ReadyToBoot status: 0x%x\n", Status));\r
\r
  //\r
  // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status\r
  //\r
  if ((Status >= FSP_STATUS_RESET_REQUIRED_COLD) && (Status <= FSP_STATUS_RESET_REQUIRED_8)) {\r
    DEBUG ((DEBUG_INFO, "FSP S3NotifyPhase ReadyToBoot requested reset 0x%x\n", Status));\r
    CallFspWrapperResetSystem ((UINT32)Status);\r
  }\r
\r
  NotifyPhaseParams.Phase = EnumInitPhaseEndOfFirmware;\r
  Status                  = CallFspNotifyPhase (&NotifyPhaseParams);\r
  DEBUG ((DEBUG_INFO, "FSP S3NotifyPhase EndOfFirmware status: 0x%x\n", Status));\r
\r
  //\r
  // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status\r
  //\r
  if ((Status >= FSP_STATUS_RESET_REQUIRED_COLD) && (Status <= FSP_STATUS_RESET_REQUIRED_8)) {\r
    DEBUG ((DEBUG_INFO, "FSP S3NotifyPhase EndOfFirmware requested reset 0x%x\n", Status));\r
    CallFspWrapperResetSystem ((UINT32)Status);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Return Hob list produced by FSP.\r
\r
  @param[in]  PeiServices  The pointer to the PEI Services Table.\r
  @param[in]  This         The pointer to this instance of this PPI.\r
  @param[out] FspHobList   The pointer to Hob list produced by FSP.\r
\r
  @return EFI_SUCCESS      Return Hob list produced by FSP successfully.\r
**/\r
EFI_STATUS\r
EFIAPI\r
FspSiliconInitDoneGetFspHobList (\r
  IN  CONST EFI_PEI_SERVICES     **PeiServices,\r
  IN  FSP_SILICON_INIT_DONE_PPI  *This,\r
  OUT VOID                       **FspHobList\r
  );\r
\r
FSP_SILICON_INIT_DONE_PPI  mFspSiliconInitDonePpi = {\r
  FspSiliconInitDoneGetFspHobList\r
};\r
\r
EFI_PEI_PPI_DESCRIPTOR  mPeiFspSiliconInitDonePpi = {\r
  EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
  &gFspSiliconInitDonePpiGuid,\r
  &mFspSiliconInitDonePpi\r
};\r
\r
/**\r
  Return Hob list produced by FSP.\r
\r
  @param[in]  PeiServices  The pointer to the PEI Services Table.\r
  @param[in]  This         The pointer to this instance of this PPI.\r
  @param[out] FspHobList   The pointer to Hob list produced by FSP.\r
\r
  @return EFI_SUCCESS      Return Hob list produced by FSP successfully.\r
**/\r
EFI_STATUS\r
EFIAPI\r
FspSiliconInitDoneGetFspHobList (\r
  IN  CONST EFI_PEI_SERVICES     **PeiServices,\r
  IN  FSP_SILICON_INIT_DONE_PPI  *This,\r
  OUT VOID                       **FspHobList\r
  )\r
{\r
  EFI_HOB_GUID_TYPE  *GuidHob;\r
\r
  GuidHob = GetFirstGuidHob (&gFspHobGuid);\r
  if (GuidHob != NULL) {\r
    *FspHobList = *(VOID **)GET_GUID_HOB_DATA (GuidHob);\r
    return EFI_SUCCESS;\r
  } else {\r
    return EFI_NOT_FOUND;\r
  }\r
}\r
\r
/**\r
  Get the FSP S UPD Data address\r
\r
  @return FSP-S UPD Data Address\r
**/\r
\r
UINTN\r
EFIAPI\r
GetFspsUpdDataAddress (\r
  VOID\r
  )\r
{\r
  if (PcdGet64 (PcdFspsUpdDataAddress64) != 0) {\r
    return (UINTN) PcdGet64 (PcdFspsUpdDataAddress64);\r
  } else {\r
    return (UINTN) PcdGet32 (PcdFspsUpdDataAddress);\r
  }\r
}\r
\r
/**\r
  This function is for FSP dispatch mode to perform post FSP-S process.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Status returned by PeiServicesInstallPpi ()\r
**/\r
EFI_STATUS\r
EFIAPI\r
FspsWrapperEndOfPeiNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  //\r
  // This step may include platform specific process in some boot loaders so\r
  // aligning the same behavior between API and Dispatch modes.\r
  // Note: In Dispatch mode no FspHobList so passing NULL to function and\r
  //       expecting function will handle it.\r
  //\r
  PostFspsHobProcess (NULL);\r
\r
  //\r
  // Install FspSiliconInitDonePpi so that any other driver can consume this info.\r
  //\r
  Status = PeiServicesInstallPpi (&mPeiFspSiliconInitDonePpi);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r
\r
EFI_PEI_NOTIFY_DESCRIPTOR  mFspsWrapperEndOfPeiNotifyDesc = {\r
  (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEfiEndOfPeiSignalPpiGuid,\r
  FspsWrapperEndOfPeiNotify\r
};\r
\r
/**\r
  This function is called after PEI core discover memory and finish migration.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiMemoryDiscoveredNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  );\r
\r
EFI_PEI_NOTIFY_DESCRIPTOR  mPeiMemoryDiscoveredNotifyDesc = {\r
  (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEfiPeiMemoryDiscoveredPpiGuid,\r
  PeiMemoryDiscoveredNotify\r
};\r
\r
/**\r
  This function is called after PEI core discover memory and finish migration.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiMemoryDiscoveredNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  )\r
{\r
  FSP_INFO_HEADER    *FspsHeaderPtr;\r
  UINT64             TimeStampCounterStart;\r
  EFI_STATUS         Status;\r
  VOID               *FspHobListPtr;\r
  EFI_HOB_GUID_TYPE  *GuidHob;\r
  FSPS_UPD_COMMON    *FspsUpdDataPtr;\r
  UINTN              *SourceData;\r
\r
  DEBUG ((DEBUG_INFO, "PeiMemoryDiscoveredNotify enter\n"));\r
  FspsUpdDataPtr = NULL;\r
\r
  FspsHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32 (PcdFspsBaseAddress));\r
  DEBUG ((DEBUG_INFO, "FspsHeaderPtr - 0x%x\n", FspsHeaderPtr));\r
  if (FspsHeaderPtr == NULL) {\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  if ((GetFspsUpdDataAddress () == 0) && (FspsHeaderPtr->CfgRegionSize != 0) && (FspsHeaderPtr->CfgRegionOffset != 0)) {\r
    //\r
    // Copy default FSP-S UPD data from Flash\r
    //\r
    FspsUpdDataPtr = (FSPS_UPD_COMMON *)AllocateZeroPool ((UINTN)FspsHeaderPtr->CfgRegionSize);\r
    ASSERT (FspsUpdDataPtr != NULL);\r
    SourceData = (UINTN *)((UINTN)FspsHeaderPtr->ImageBase + (UINTN)FspsHeaderPtr->CfgRegionOffset);\r
    CopyMem (FspsUpdDataPtr, SourceData, (UINTN)FspsHeaderPtr->CfgRegionSize);\r
  } else {\r
    FspsUpdDataPtr = (FSPS_UPD_COMMON *) GetFspsUpdDataAddress();\r
    ASSERT (FspsUpdDataPtr != NULL);\r
  }\r
\r
  UpdateFspsUpdData ((VOID *)FspsUpdDataPtr);\r
\r
  TimeStampCounterStart = AsmReadTsc ();\r
  PERF_START_EX (&gFspApiPerformanceGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);\r
  Status = CallFspSiliconInit ((VOID *)FspsUpdDataPtr);\r
  PERF_END_EX (&gFspApiPerformanceGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);\r
  DEBUG ((DEBUG_INFO, "Total time spent executing FspSiliconInitApi: %d millisecond\n", DivU64x32 (GetTimeInNanoSecond (AsmReadTsc () - TimeStampCounterStart), 1000000)));\r
\r
  //\r
  // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status\r
  //\r
  if ((Status >= FSP_STATUS_RESET_REQUIRED_COLD) && (Status <= FSP_STATUS_RESET_REQUIRED_8)) {\r
    DEBUG ((DEBUG_INFO, "FspSiliconInitApi requested reset 0x%x\n", Status));\r
    CallFspWrapperResetSystem ((UINT32)Status);\r
  }\r
\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((DEBUG_ERROR, "ERROR - Failed to execute FspSiliconInitApi(), Status = %r\n", Status));\r
  }\r
\r
  DEBUG ((DEBUG_INFO, "FspSiliconInit status: 0x%x\n", Status));\r
  ASSERT_EFI_ERROR (Status);\r
\r
  Status = TestFspSiliconInitApiOutput ((VOID *)NULL);\r
  if (RETURN_ERROR (Status)) {\r
    DEBUG ((DEBUG_ERROR, "ERROR - TestFspSiliconInitApiOutput () fail, Status = %r\n", Status));\r
  }\r
\r
  //\r
  // Now FspHobList complete, process it\r
  //\r
  GuidHob = GetFirstGuidHob (&gFspHobGuid);\r
  ASSERT (GuidHob != NULL);\r
  FspHobListPtr = *(VOID **)GET_GUID_HOB_DATA (GuidHob);\r
  DEBUG ((DEBUG_INFO, "FspHobListPtr - 0x%x\n", FspHobListPtr));\r
  PostFspsHobProcess (FspHobListPtr);\r
\r
  //\r
  // Install FspSiliconInitDonePpi so that any other driver can consume this info.\r
  //\r
  Status = PeiServicesInstallPpi (&mPeiFspSiliconInitDonePpi);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r
\r
/**\r
  Do FSP initialization in API mode.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
FspsWrapperInitApiMode (\r
  VOID\r
  )\r
{\r
  EFI_STATUS     Status;\r
  EFI_BOOT_MODE  BootMode;\r
\r
  //\r
  // Register MemoryDiscovered Notify to run FspSiliconInit\r
  //\r
  Status = PeiServicesNotifyPpi (&mPeiMemoryDiscoveredNotifyDesc);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  //\r
  // Register EndOfPei Notify for S3 to run FSP NotifyPhase\r
  //\r
  PeiServicesGetBootMode (&BootMode);\r
  if (BootMode == BOOT_ON_S3_RESUME) {\r
    Status = PeiServicesNotifyPpi (&mS3EndOfPeiNotifyDesc);\r
    ASSERT_EFI_ERROR (Status);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Do FSP initialization in Dispatch mode.\r
\r
  @retval FSP initialization status.\r
**/\r
EFI_STATUS\r
FspsWrapperInitDispatchMode (\r
  VOID\r
  )\r
{\r
  EFI_STATUS                                             Status;\r
  EFI_PEI_FIRMWARE_VOLUME_INFO_MEASUREMENT_EXCLUDED_PPI  *MeasurementExcludedFvPpi;\r
  EFI_PEI_PPI_DESCRIPTOR                                 *MeasurementExcludedPpiList;\r
\r
  MeasurementExcludedFvPpi = AllocatePool (sizeof (*MeasurementExcludedFvPpi));\r
  ASSERT (MeasurementExcludedFvPpi != NULL);\r
  MeasurementExcludedFvPpi->Count          = 1;\r
  MeasurementExcludedFvPpi->Fv[0].FvBase   = PcdGet32 (PcdFspsBaseAddress);\r
  MeasurementExcludedFvPpi->Fv[0].FvLength = ((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFspsBaseAddress))->FvLength;\r
\r
  MeasurementExcludedPpiList = AllocatePool (sizeof (*MeasurementExcludedPpiList));\r
  ASSERT (MeasurementExcludedPpiList != NULL);\r
  MeasurementExcludedPpiList->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
  MeasurementExcludedPpiList->Guid  = &gEfiPeiFirmwareVolumeInfoMeasurementExcludedPpiGuid;\r
  MeasurementExcludedPpiList->Ppi   = MeasurementExcludedFvPpi;\r
\r
  Status = PeiServicesInstallPpi (MeasurementExcludedPpiList);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  //\r
  // FSP-S Wrapper running in Dispatch mode and reports FSP-S FV to PEI dispatcher.\r
  //\r
  PeiServicesInstallFvInfoPpi (\r
    NULL,\r
    (VOID *)(UINTN)PcdGet32 (PcdFspsBaseAddress),\r
    (UINT32)((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFspsBaseAddress))->FvLength,\r
    NULL,\r
    NULL\r
    );\r
  //\r
  // Register EndOfPei Nofity to run post FSP-S process.\r
  //\r
  Status = PeiServicesNotifyPpi (&mFspsWrapperEndOfPeiNotifyDesc);\r
  ASSERT_EFI_ERROR (Status);\r
  return Status;\r
}\r
\r
/**\r
  This function is called after TCG installed PPI.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
EFIAPI\r
TcgPpiNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  );\r
\r
EFI_PEI_NOTIFY_DESCRIPTOR  mTcgPpiNotifyDesc = {\r
  (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEdkiiTcgPpiGuid,\r
  TcgPpiNotify\r
};\r
\r
/**\r
  This function is called after TCG installed PPI.\r
\r
  @param[in] PeiServices    Pointer to PEI Services Table.\r
  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that\r
                            caused this function to execute.\r
  @param[in] Ppi            Pointer to the PPI data associated with this function.\r
\r
  @retval EFI_STATUS        Always return EFI_SUCCESS\r
**/\r
EFI_STATUS\r
EFIAPI\r
TcgPpiNotify (\r
  IN EFI_PEI_SERVICES           **PeiServices,\r
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDesc,\r
  IN VOID                       *Ppi\r
  )\r
{\r
  UINT32  FspMeasureMask;\r
\r
  DEBUG ((DEBUG_INFO, "TcgPpiNotify FSPS\n"));\r
\r
  FspMeasureMask = PcdGet32 (PcdFspMeasurementConfig);\r
\r
  if ((FspMeasureMask & FSP_MEASURE_FSPS) != 0) {\r
    MeasureFspFirmwareBlob (\r
      0,\r
      "FSPS",\r
      PcdGet32 (PcdFspsBaseAddress),\r
      (UINT32)((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFspsBaseAddress))->FvLength\r
      );\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  This is the entrypoint of PEIM.\r
\r
  @param[in] FileHandle  Handle of the file being invoked.\r
  @param[in] PeiServices Describes the list of possible PEI Services.\r
\r
  @retval EFI_SUCCESS if it completed successfully.\r
**/\r
EFI_STATUS\r
EFIAPI\r
FspsWrapperPeimEntryPoint (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  DEBUG ((DEBUG_INFO, "FspsWrapperPeimEntryPoint\n"));\r
\r
  Status = PeiServicesNotifyPpi (&mTcgPpiNotifyDesc);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  if (PcdGet8 (PcdFspModeSelection) == 1) {\r
    FspsWrapperInitApiMode ();\r
  } else {\r
    FspsWrapperInitDispatchMode ();\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r