Exemple #1
0
/**
   Main entry point to last PEIM.

   This function finds DXE Core in the firmware volume and transfer the control to
   DXE core.

   @param[in] This          Entry point for DXE IPL PPI.
   @param[in] PeiServices   General purpose services available to every PEIM.
   @param[in] HobList       Address to the Pei HOB list.

   @return EFI_SUCCESS              DXE core was successfully loaded.
   @return EFI_OUT_OF_RESOURCES     There are not enough resources to load DXE core.

**/
EFI_STATUS
EFIAPI
DxeLoadCore (
  IN CONST EFI_DXE_IPL_PPI *This,
  IN EFI_PEI_SERVICES      **PeiServices,
  IN EFI_PEI_HOB_POINTERS  HobList
  )
{
  EFI_STATUS   Status;

  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP HOB is located at 0x%08X\n", HobList));

  //
  // End of PEI phase signal
  //
  Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
  ASSERT_EFI_ERROR (Status);

  //
  // Give control back to BootLoader after FspInit
  //
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP is waiting for NOTIFY\n"));
  FspInitDone ();

  //
  // BootLoader called FSP again through NotifyPhase
  //
  FspWaitForNotify ();


  //
  // Give control back to the boot loader framework caller
  //
  DEBUG ((DEBUG_INFO | DEBUG_INIT,   "============= PEIM FSP is Completed =============\n\n"));

  SetFspApiReturnStatus(EFI_SUCCESS);

  SetFspMeasurePoint (FSP_PERF_ID_API_NOTIFY_RDYBOOT_EXIT);

  Pei2LoaderSwitchStack();

  //
  // Should not come here
  //
  while (TRUE) {
    DEBUG ((DEBUG_ERROR, "No FSP API should be called after FSP is DONE!\n"));
    SetFspApiReturnStatus(EFI_UNSUPPORTED);
    Pei2LoaderSwitchStack();
  }

  return EFI_SUCCESS;
}
Exemple #2
0
/**
  This function handle NotifyPhase API call from the BootLoader.
  It gives control back to the BootLoader after it is handled. If the
  Notification code is a ReadyToBoot event, this function will return
  and FSP continues the remaining execution until it reaches the DxeIpl.

**/
VOID
FspWaitForNotify (
  VOID
  )
{
  EFI_STATUS                 Status;
  UINT32                     NotificationValue;
  UINT32                     NotificationCount;
  UINT8                      Count;

  NotificationCount = 0;
  while (NotificationCount < sizeof(mFspNotifySequence) / sizeof(UINT32)) {

    Count = (UINT8)((NotificationCount << 1) & 0x07);
    SetFspMeasurePoint (FSP_PERF_ID_API_NOTIFY_POSTPCI_ENTRY + Count);

    NotificationValue = ((NOTIFY_PHASE_PARAMS *)(UINTN)GetFspApiParameter ())->Phase;
    DEBUG ((DEBUG_INFO, "FSP Got Notification. Notification Value : 0x%08X\n", NotificationValue));

    if (mFspNotifySequence[NotificationCount] != NotificationValue) {
      //
      // Notify code does not follow the predefined order
      //
      DEBUG ((DEBUG_INFO, "Unsupported FSP Notification Value\n"));
      SetFspApiReturnStatus(EFI_UNSUPPORTED);
    } else {
      //
      // Process Notification and Give control back to the boot loader framework caller
      //
      Status = FspNotificationHandler (NotificationValue);
      DEBUG ((DEBUG_INFO, "FSP Notification Handler Returns : 0x%08X\n", Status));
      SetFspApiReturnStatus(Status);
      if (!EFI_ERROR(Status)) {
        NotificationCount++;
        SetFspApiReturnStatus(EFI_SUCCESS);
        if (NotificationValue == EnumInitPhaseReadyToBoot) {
          break;
        }
      }
    }
    SetFspMeasurePoint (FSP_PERF_ID_API_NOTIFY_POSTPCI_EXIT + Count);
    Pei2LoaderSwitchStack();
  }

  //
  // Control goes back to the PEI Core and it dispatches further PEIMs.
  // DXEIPL is the final one to transfer control back to the boot loader.
  //
}
Exemple #3
0
/**
  This function transfer control to the ContinuationFunc passed in by the
  BootLoader.

**/
VOID
EFIAPI
FspInitDone (
  VOID
  )
{
  FSP_INIT_PARAMS        *FspInitParams;

  if (GetFspApiCallingMode() == 0) {
    //
    // FspInit API is used, so jump into the ContinuationFunc
    //
    FspInitParams   = (FSP_INIT_PARAMS *)GetFspApiParameter ();
  
    //
    // Modify the parameters for ContinuationFunc
    //
    SetFspContinuationFuncParameter(EFI_SUCCESS, 0);
    SetFspContinuationFuncParameter((UINT32)GetHobList(), 1);
  
    //
    // Modify the return address to ContinuationFunc
    //
    SetFspApiReturnAddress((UINT32)FspInitParams->ContinuationFunc);
  
    //
    // Give control back to the boot loader framework caller after FspInit is done
    // It is done throught the continuation function
    //
    SetFspMeasurePoint (FSP_PERF_ID_API_FSPINIT_EXIT);
  } else {
    //
    // FspMemoryInit API is used, so return directly
    //

    //
    // This is the end of the FspSiliconInit API
    // Give control back to the boot loader
    //
    DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspSiliconInitApi() - End\n"));
    SetFspApiReturnStatus (EFI_SUCCESS);
  }

  Pei2LoaderSwitchStack();
}
Exemple #4
0
/**

   This function waits for FSP notify.

   @param This          Entry point for DXE IPL PPI.
   @param PeiServices   General purpose services available to every PEIM.
   @param HobList       Address to the Pei HOB list.

   @return EFI_SUCCESS              This function never returns.

**/
EFI_STATUS
EFIAPI
WaitForNotify (
  IN CONST EFI_DXE_IPL_PPI *This,
  IN EFI_PEI_SERVICES      **PeiServices,
  IN EFI_PEI_HOB_POINTERS  HobList
  )
{
  EFI_STATUS   Status;

  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP HOB is located at 0x%08X\n", HobList));

  //
  // End of PEI phase signal
  //
  Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
  ASSERT_EFI_ERROR (Status);

  //
  // Give control back to BootLoader after FspSiliconInit
  //
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP is waiting for NOTIFY\n"));
  FspSiliconInitDone2 (EFI_SUCCESS);

  //
  // BootLoader called FSP again through NotifyPhase
  //
  FspWaitForNotify ();

  if (GetFspGlobalDataPointer ()->FspMode == FSP_IN_API_MODE) {
    //
    // Should not come here
    //
    while (TRUE) {
      DEBUG ((DEBUG_ERROR, "No FSP API should be called after FSP is DONE!\n"));
      SetFspApiReturnStatus (EFI_UNSUPPORTED);
      Pei2LoaderSwitchStack ();
    }
  }

  return EFI_SUCCESS;
}
Exemple #5
0
/**
  This function returns control to BootLoader after TempRamExitApi.

  @param[in] Status return status for the TempRamExitApi.

**/
VOID
EFIAPI
FspTempRamExitDone2 (
  IN EFI_STATUS Status
  )
{
  //
  // Convert to FSP EAS defined API return codes
  //
  switch (Status) {
    case EFI_SUCCESS:
    case EFI_INVALID_PARAMETER:
    case EFI_UNSUPPORTED:
    case EFI_DEVICE_ERROR:
      break;
    default:
      DEBUG ((DEBUG_INFO | DEBUG_INIT, "TempRamExitApi() Invalid Error - [Status: 0x%08X]\n", Status));
      Status = EFI_DEVICE_ERROR;  // Force to known error.
      break;
  }
  //
  // This is the end of the TempRamExit API
  // Give control back to the boot loader
  //
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "TempRamExitApi() - [Status: 0x%08X] - End\n", Status));
  SetFspMeasurePoint (FSP_PERF_ID_API_TEMP_RAM_EXIT_EXIT);
  PERF_END_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_TEMP_RAM_EXIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_TEMP_RAM_EXIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  do {
    SetFspApiReturnStatus (Status);
    Pei2LoaderSwitchStack ();
    if (Status != EFI_SUCCESS) {
      DEBUG ((DEBUG_ERROR, "!!!ERROR: TempRamExitApi() - [Status: 0x%08X] - Error encountered during previous API and cannot proceed further\n", Status));
    }
  } while (Status != EFI_SUCCESS);
  SetPhaseStatusCode (FSP_STATUS_CODE_SILICON_INIT);
  SetFspMeasurePoint (FSP_PERF_ID_API_FSP_SILICON_INIT_ENTRY);
  PERF_START_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "SiliconInitApi() - Begin\n"));
}
Exemple #6
0
/**
  This function updates the return status of the FSP API with requested reset type and returns to Boot Loader.

  @param[in] FspResetType     Reset type that needs to returned as API return status

**/
VOID
EFIAPI
FspApiReturnStatusReset (
  IN UINT32   FspResetType
  )
{
  volatile BOOLEAN  LoopUntilReset;

  LoopUntilReset = TRUE;
  DEBUG ((DEBUG_INFO, "FSP returning control to Bootloader with reset required return status %x\n",FspResetType));
  ///
  /// Below code is not an infinite loop.The control will go back to API calling function in BootLoader each time BootLoader
  /// calls the FSP API without honoring the reset request by FSP
  ///
  do {
    SetFspApiReturnStatus ((EFI_STATUS)FspResetType);
    Pei2LoaderSwitchStack ();
    DEBUG ((DEBUG_ERROR, "!!!ERROR: FSP has requested BootLoader for reset. But BootLoader has not honored the reset\n"));
    DEBUG ((DEBUG_ERROR, "!!!ERROR: Please add support in BootLoader to honor the reset request from FSP\n"));
  } while (LoopUntilReset);
}
Exemple #7
0
/**
  This function returns control to BootLoader after TempRamExitApi.

**/
VOID
EFIAPI
FspTempRamExitDone (
  VOID
  )
{

  //
  // This is the end of the TempRamExit API
  // Give control back to the boot loader
  //
  SetFspMeasurePoint (FSP_PERF_ID_API_TEMP_RAM_EXIT_EXIT);
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "TempRamExitApi() - End\n"));
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_TEMP_RAM_EXIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  SetFspApiReturnStatus (EFI_SUCCESS);
  Pei2LoaderSwitchStack ();

  SetPhaseStatusCode (FSP_STATUS_CODE_SILICON_INIT);
  SetFspMeasurePoint (FSP_PERF_ID_API_FSP_SILICON_INIT_ENTRY);
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "SiliconInitApi() - Begin\n"));
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
}
Exemple #8
0
/**
  This function returns control to BootLoader after MemoryInitApi.

  @param[in,out] HobListPtr The address of HobList pointer.
**/
VOID
EFIAPI
FspMemoryInitDone (
  IN OUT VOID   **HobListPtr
  )
{
  //
  // Calling use FspMemoryInit API
  // Update HOB and return the control directly
  //
  if (HobListPtr != NULL) {
    *HobListPtr = (VOID *) GetHobList ();
  }

  //
  // This is the end of the FspMemoryInit API
  // Give control back to the boot loader
  //
  SetFspMeasurePoint (FSP_PERF_ID_API_FSP_MEMORY_INIT_EXIT);
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspMemoryInitApi() - End\n"));
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  SetFspApiReturnStatus (EFI_SUCCESS);
  Pei2LoaderSwitchStack ();

  //
  // The TempRamExitApi is called
  //
  if (GetFspApiCallingIndex () == TempRamExitApiIndex) {
    SetPhaseStatusCode (FSP_STATUS_CODE_TEMP_RAM_EXIT);
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_TEMP_RAM_EXIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    SetFspMeasurePoint (FSP_PERF_ID_API_TEMP_RAM_EXIT_ENTRY);
    DEBUG ((DEBUG_INFO | DEBUG_INIT, "TempRamExitApi() - Begin\n"));
  } else {
    SetFspMeasurePoint (FSP_PERF_ID_API_FSP_SILICON_INIT_ENTRY);
    DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspSiliconInitApi() - Begin\n"));
    SetPhaseStatusCode (FSP_STATUS_CODE_SILICON_INIT);
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
  }
}
Exemple #9
0
/**
  This function transfer control back to BootLoader after FspSiliconInit.

**/
VOID
EFIAPI
FspSiliconInitDone (
  VOID
  )
{
  //
  // This is the end of the FspSiliconInit API
  // Give control back to the boot loader
  //
  SetFspMeasurePoint (FSP_PERF_ID_API_FSP_SILICON_INIT_EXIT);
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspSiliconInitApi() - End\n"));

  PERF_END_EX (&gFspPerformanceDataGuid, "EventRec", NULL, 0, 0x907F);

  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  SetFspApiReturnStatus (EFI_SUCCESS);

  Pei2LoaderSwitchStack();

  PERF_START_EX (&gFspPerformanceDataGuid, "EventRec", NULL, 0, 0x6000);
}
Exemple #10
0
/**
  This function handle NotifyPhase API call from the BootLoader.
  It gives control back to the BootLoader after it is handled. If the
  Notification code is a ReadyToBoot event, this function will return
  and FSP continues the remaining execution until it reaches the DxeIpl.

**/
VOID
FspWaitForNotify (
  VOID
  )
{
  EFI_STATUS                 Status;
  UINT32                     NotificationValue;
  UINT32                     NotificationCount;
  UINT8                      Count;

  NotificationCount = 0;
  while (NotificationCount < sizeof(mFspNotifySequence) / sizeof(UINT32)) {

    Count = (UINT8)((NotificationCount << 1) & 0x07);
    SetFspMeasurePoint (FSP_PERF_ID_API_NOTIFY_POST_PCI_ENTRY + Count);

    if (NotificationCount == 0) {
      SetPhaseStatusCode (FSP_STATUS_CODE_POST_PCIE_ENUM_NOTIFICATION);
      PERF_START_EX (&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_POST_PCIE_ENUM_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
      REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_POST_PCIE_ENUM_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    } else if (NotificationCount == 1) {
      SetPhaseStatusCode (FSP_STATUS_CODE_READY_TO_BOOT_NOTIFICATION);
      PERF_START_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_READY_TO_BOOT_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
      REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_READY_TO_BOOT_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    } else if (NotificationCount == 2) {
      SetPhaseStatusCode (FSP_STATUS_CODE_END_OF_FIRMWARE_NOTIFICATION);
      PERF_START_EX (&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_END_OF_FIRMWARE_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
      REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_END_OF_FIRMWARE_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    }

    NotificationValue = ((NOTIFY_PHASE_PARAMS *)(UINTN)GetFspApiParameter ())->Phase;
    DEBUG ((DEBUG_INFO | DEBUG_INIT, "NotifyPhaseApi() - Begin  [Phase: %08X]\n", NotificationValue));
    if (mFspNotifySequence[NotificationCount] != NotificationValue) {
      //
      // Notify code does not follow the predefined order
      //
      DEBUG ((DEBUG_INFO, "Unsupported FSP Notification Value\n"));
      Status = EFI_UNSUPPORTED;
    } else {
      //
      // Process Notification and Give control back to the boot loader framework caller
      //
      Status = FspNotificationHandler (NotificationValue);
      if (!EFI_ERROR(Status)) {
        NotificationCount++;
      }
    }

    DEBUG ((DEBUG_INFO | DEBUG_INIT, "NotifyPhaseApi() - End  [Status: 0x%08X]\n", Status));
    SetFspMeasurePoint (FSP_PERF_ID_API_NOTIFY_POST_PCI_EXIT + Count);

    if ((NotificationCount - 1) == 0) {
      PERF_END_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_POST_PCIE_ENUM_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
      REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_POST_PCIE_ENUM_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
    } else if ((NotificationCount - 1) == 1) {
      PERF_END_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_READY_TO_BOOT_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
      REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_READY_TO_BOOT_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
    } else if ((NotificationCount - 1) == 2) {
      PERF_END_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_END_OF_FIRMWARE_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
      REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_END_OF_FIRMWARE_NOTIFICATION | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
    }
    do {
      SetFspApiReturnStatus(Status);
      Pei2LoaderSwitchStack();
      if (Status != EFI_SUCCESS) {
        DEBUG ((DEBUG_ERROR, "!!!ERROR: NotifyPhaseApi() [Phase: %08X] - Failed - [Status: 0x%08X]\n", NotificationValue, Status));
      }
    } while (Status != EFI_SUCCESS);
  }

  //
  // Control goes back to the PEI Core and it dispatches further PEIMs.
  // DXEIPL is the final one to transfer control back to the boot loader.
  //
}
Exemple #11
0
/**
  This function returns control to BootLoader after MemoryInitApi.

  @param[in] Status return status for the MemoryInitApi.
  @param[in,out] HobListPtr The address of HobList pointer, if NULL, will get value from GetFspApiParameter2 ()
**/
VOID
EFIAPI
FspMemoryInitDone2 (
  IN EFI_STATUS Status,
  IN OUT VOID   **HobListPtr
  )
{
  FSP_GLOBAL_DATA   *FspData;
  //
  // Calling use FspMemoryInit API
  // Update HOB and return the control directly
  //
  if (HobListPtr == NULL) {
    HobListPtr = (VOID **)GetFspApiParameter2 ();
  }
  if (HobListPtr != NULL) {
    *HobListPtr = (VOID *) GetHobList ();
  }
  //
  // Convert to FSP EAS defined API return codes
  //
  switch (Status) {
    case EFI_SUCCESS:
    case EFI_INVALID_PARAMETER:
    case EFI_UNSUPPORTED:
    case EFI_DEVICE_ERROR:
    case EFI_OUT_OF_RESOURCES:
      break;
    default:
      DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspMemoryInitApi() Invalid Error [Status: 0x%08X]\n", Status));
      Status = EFI_DEVICE_ERROR;  // Force to known error.
      break;
  }
  //
  // This is the end of the FspMemoryInit API
  // Give control back to the boot loader
  //
  DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspMemoryInitApi() - [Status: 0x%08X] - End\n", Status));
  SetFspMeasurePoint (FSP_PERF_ID_API_FSP_MEMORY_INIT_EXIT);
  FspData = GetFspGlobalDataPointer ();
  PERF_START_EX(&gFspPerformanceDataGuid, "EventRec", NULL, (FspData->PerfData[0] & FSP_PERFORMANCE_DATA_TIMER_MASK), FSP_STATUS_CODE_TEMP_RAM_INIT | FSP_STATUS_CODE_COMMON_CODE| FSP_STATUS_CODE_API_ENTRY);
  PERF_END_EX(&gFspPerformanceDataGuid, "EventRec", NULL, (FspData->PerfData[1] & FSP_PERFORMANCE_DATA_TIMER_MASK), FSP_STATUS_CODE_TEMP_RAM_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  PERF_START_EX(&gFspPerformanceDataGuid, "EventRec", NULL, (FspData->PerfData[2] & FSP_PERFORMANCE_DATA_TIMER_MASK), FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
  PERF_END_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
  do {
    SetFspApiReturnStatus (Status);
    Pei2LoaderSwitchStack ();
    if (Status != EFI_SUCCESS) {
      DEBUG ((DEBUG_ERROR, "!!!ERROR: FspMemoryInitApi() - [Status: 0x%08X] - Error encountered during previous API and cannot proceed further\n", Status));
    }
  } while (Status != EFI_SUCCESS);

  //
  // The TempRamExitApi is called
  //
  if (GetFspApiCallingIndex () == TempRamExitApiIndex) {
    SetPhaseStatusCode (FSP_STATUS_CODE_TEMP_RAM_EXIT);
    SetFspMeasurePoint (FSP_PERF_ID_API_TEMP_RAM_EXIT_ENTRY);
    PERF_START_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_TEMP_RAM_EXIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_TEMP_RAM_EXIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    DEBUG ((DEBUG_INFO | DEBUG_INIT, "TempRamExitApi() - Begin\n"));
  } else {
    SetPhaseStatusCode (FSP_STATUS_CODE_SILICON_INIT);
    SetFspMeasurePoint (FSP_PERF_ID_API_FSP_SILICON_INIT_ENTRY);
    PERF_START_EX(&gFspPerformanceDataGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FSP_STATUS_CODE_SILICON_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
    DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspSiliconInitApi() - Begin\n"));
  }
}