C++ PcdGetPtr函数代码示例

/**
  Initialize Unicode Collation support.

  It tries to locate Unicode Collation 2 protocol and matches it with current
  platform language code. If for any reason the first attempt fails, it then tries to
  use Unicode Collation Protocol.

  @param  AgentHandle          The handle used to open Unicode Collation (2) protocol.

  @retval EFI_SUCCESS          The Unicode Collation (2) protocol has been successfully located.
  @retval Others               The Unicode Collation (2) protocol has not been located.

**/
EFI_STATUS
InitializeUnicodeCollationSupport (
  IN EFI_HANDLE    AgentHandle
  )
{

  EFI_STATUS       Status;

  Status = EFI_UNSUPPORTED;

  //
  // First try to use RFC 4646 Unicode Collation 2 Protocol.
  //
  Status = InitializeUnicodeCollationSupportWorker (
             AgentHandle,
             &gEfiUnicodeCollation2ProtocolGuid,
             L"PlatformLang",
             (CONST CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang)
             );
  //
  // If the attempt to use Unicode Collation 2 Protocol fails, then we fall back
  // on the ISO 639-2 Unicode Collation Protocol.
  //
  if (EFI_ERROR (Status)) {
    Status = InitializeUnicodeCollationSupportWorker (
               AgentHandle,
               &gEfiUnicodeCollationProtocolGuid,
               L"Lang",
               (CONST CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultLang)
               );
  }

  return Status;
}

/**
  This function provides early platform initialization.

  @param  PlatformInfo  Pointer to platform Info structure.

**/
VOID
EFIAPI
EarlyPlatformInit (
  VOID
  )
{

  DEBUG ((EFI_D_INFO, "EarlyBoardInit for PlatType=0x%02x\n", PcdGet16 (PcdPlatformType)));

  //
  // Check if system reset due to error condition.
  //
  if (CheckForResetDueToErrors (TRUE)) {
    if(FeaturePcdGet (WaitIfResetDueToError)) {
      DEBUG ((EFI_D_ERROR, "Press any key to continue.\n"));
      PlatformDebugPortGetChar8 ();
    }
  }

  //
  // Display platform info messages.
  //
  EarlyPlatformInfoMessages ();

  //
  // Early Legacy Gpio Init.
  //
  EarlyPlatformLegacyGpioInit (&mBoardLegacyGpioConfigTable);

  //
  // Early platform Legacy GPIO manipulation depending on GPIOs
  // setup by EarlyPlatformLegacyGpioInit.
  //
  EarlyPlatformLegacyGpioManipulation ();

  //
  // Early platform specific GPIO Controller init & manipulation.
  // Combined for sharing of temp. memory bar.
  //
  EarlyPlatformGpioCtrlerInit (&mBoardGpioControllerConfigTable);
  
  EarlyPlatformGpioCtrlerManipulation ();

  //
  // Early Thermal Sensor Init.
  //
  EarlyPlatformThermalSensorInit ();

  //
  // Early Lan Ethernet Mac Init.
  //
  EarlyPlatformMacInit (
    PcdGetPtr (PcdIohEthernetMac0),
    PcdGetPtr (PcdIohEthernetMac1)
    );
}

/**
  Determine the current language that will be used
  based on language related EFI Variables.

  @param LangCodesSettingRequired - If required to set LangCodes variable

**/
VOID
InitializeLanguage (
  BOOLEAN LangCodesSettingRequired
  )
{
  EFI_STATUS  Status;
  CHAR8       *LangCodes;
  CHAR8       *PlatformLangCodes;

  ExportFonts ();

  LangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLangCodes);
  PlatformLangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes);
  if (LangCodesSettingRequired) {
    if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
      //
      // UEFI 2.0 depricated this variable so we support turning it off
      //
      Status = gRT->SetVariable (
                      L"LangCodes",
                      &gEfiGlobalVariableGuid,
                      EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
                      AsciiStrSize (LangCodes),
                      LangCodes
                      );
      //
      // Platform needs to make sure setting volatile variable before calling 3rd party code shouldn't fail.
      //
      ASSERT_EFI_ERROR (Status);
    }

    Status = gRT->SetVariable (
                    L"PlatformLangCodes",
                    &gEfiGlobalVariableGuid,
                    EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
                    AsciiStrSize (PlatformLangCodes),
                    PlatformLangCodes
                    );
    //
    // Platform needs to make sure setting volatile variable before calling 3rd party code shouldn't fail.
    //
    ASSERT_EFI_ERROR (Status);
  }

  if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
    //
    // UEFI 2.0 depricated this variable so we support turning it off
    //
    InitializeLangVariable (L"Lang", LangCodes, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultLang), TRUE);
  }
  InitializeLangVariable (L"PlatformLang", PlatformLangCodes, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang), FALSE);
}

/**
  Main entry for this driver.

  @param ImageHandle     Image handle this driver.
  @param SystemTable     Pointer to SystemTable.

  @retval EFI_SUCESS     This function always complete successfully.

**/
EFI_STATUS
EFIAPI
PlatfomrSmbiosDriverEntryPoint (
  IN EFI_HANDLE         ImageHandle,
  IN EFI_SYSTEM_TABLE   *SystemTable
  )
{
  EFI_STATUS                  Status;
  EFI_SMBIOS_HANDLE           SmbiosHandle;
  SMBIOS_STRUCTURE_POINTER    Smbios;

  // Phase 0 - Patch table to make SMBIOS 2.7 structures smaller to conform 
  //           to an early version of the specification.

  // Phase 1 - Initialize SMBIOS tables from template
  Status = SmbiosLibInitializeFromTemplate (gSmbiosTemplate);
  ASSERT_EFI_ERROR (Status);

  // Phase 2 - Patch SMBIOS table entries

  Smbios.Hdr = SmbiosLibGetRecord (EFI_SMBIOS_TYPE_BIOS_INFORMATION, 0, &SmbiosHandle);
  if (Smbios.Type0 != NULL) {
    // 64K * (n+1) bytes
    Smbios.Type0->BiosSize = (UINT8)DivU64x32 (FixedPcdGet64 (PcdEmuFirmwareFdSize), 64*1024) - 1;

    SmbiosLibUpdateUnicodeString (
      SmbiosHandle, 
      Smbios.Type0->BiosVersion, 
      (CHAR16 *) PcdGetPtr (PcdFirmwareVersionString)
      );
    SmbiosLibUpdateUnicodeString (
      SmbiosHandle, 
      Smbios.Type0->BiosReleaseDate, 
      (CHAR16 *) PcdGetPtr (PcdFirmwareReleaseDateString)
      );
  }

  // Phase 3 - Create tables from scratch 

  // Create Type 13 record from EFI Variables
  // Do we need this record for EFI as the info is availible from EFI varaibles
  // Also language types don't always match between EFI and SMBIOS
  // CreateSmbiosLanguageInformation (1, gSmbiosLangToEfiLang);

  CreatePlatformSmbiosMemoryRecords ();

  return EFI_SUCCESS;
}

/**
  This service register TPM2 device.

  @param Tpm2Device  TPM2 device

  @retval EFI_SUCCESS          This TPM2 device is registered successfully.
  @retval EFI_UNSUPPORTED      System does not support register this TPM2 device.
  @retval EFI_ALREADY_STARTED  System already register this TPM2 device.
**/
EFI_STATUS
EFIAPI
Tpm2RegisterTpm2DeviceLib (
  IN TPM2_DEVICE_INTERFACE   *Tpm2Device
  )
{
  TPM2_DEVICE_INTERFACE *Tpm2DeviceInterface;

  if (!CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &Tpm2Device->ProviderGuid)){
    DEBUG ((EFI_D_ERROR, "WARNING: Tpm2RegisterTpm2DeviceLib - does not support %g registration\n", &Tpm2Device->ProviderGuid));
    return EFI_UNSUPPORTED;
  }

  Tpm2DeviceInterface = InternalGetTpm2DeviceInterface ();
  if (Tpm2DeviceInterface != NULL) {
    //
    // In PEI phase, there will be shadow driver dispatched again.
    //
    DEBUG ((EFI_D_INFO, "Tpm2RegisterTpm2DeviceLib - Override\n"));
    CopyMem (Tpm2DeviceInterface, Tpm2Device, sizeof(*Tpm2Device));
    return EFI_SUCCESS;
  } else {
    Tpm2Device = BuildGuidDataHob (&mInternalTpm2DeviceInterfaceGuid, Tpm2Device, sizeof(*Tpm2Device));
    if (Tpm2Device != NULL) {
      return EFI_SUCCESS;
    } else {
      return EFI_OUT_OF_RESOURCES;
    }
  }
}

/**
  The user Entry Point for Application. The user code starts with this function
  as the real entry point for the application.

  @param[in] ImageHandle    The firmware allocated handle for the EFI image.  
  @param[in] SystemTable    A pointer to the EFI System Table.
  
  @retval EFI_SUCCESS       The entry point is executed successfully.
  @retval other             Some error occurs when executing this entry point.

**/
EFI_STATUS
EFIAPI
UefiMain (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
	UINT32 Index;
	
	Index = 0;
  
  //
  // Three PCD type (FeatureFlag, UINT32 and String) are used as the sample.
  //
  if (FeaturePcdGet (PcdHelloWorldPrintEnable)) {
  	for (Index = 0; Index < PcdGet32 (PcdHelloWorldPrintTimes); Index ++) {
  	  //
  	  // Use UefiLib Print API to print string to UEFI console
  	  //
    	Print ((CHAR16*)PcdGetPtr (PcdHelloWorldPrintString));
    }
  }

  return EFI_SUCCESS;
}

/**
  This is the standard EFI driver point that detects whether there is a
  MemoryConfigurationData Variable and, if so, reports memory configuration info
  to the DataHub.

  @param  ImageHandle  Handle for the image of this driver
  @param  SystemTable  Pointer to the EFI System Table

  @return EFI_SUCCESS if the data is successfully reported
  @return EFI_NOT_FOUND if the HOB list could not be located.

**/
EFI_STATUS
LogMemorySmbiosRecord (
  VOID
  )
{
  EFI_STATUS                      Status;
  UINT64                          TotalMemorySize;
  UINT8                           NumSlots;
  SMBIOS_TABLE_TYPE19             *Type19Record;
  EFI_SMBIOS_HANDLE               MemArrayMappedAddrSmbiosHandle;
  EFI_SMBIOS_PROTOCOL             *Smbios;
  CHAR16                          *MemString;

  Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
  ASSERT_EFI_ERROR (Status);

  NumSlots        = 1;

  //
  // Process Memory String in form size!size ...
  // So 64!64 is 128 MB
  //
  MemString   = (CHAR16 *)PcdGetPtr (PcdEmuMemorySize);
  for (TotalMemorySize = 0; *MemString != '\0';) {
    TotalMemorySize += StrDecimalToUint64 (MemString);
    while (*MemString != '\0') {
      if (*MemString == '!') {
        MemString++;
        break;
      }
      MemString++;
    }
  }

  //
  // Convert Total Memory Size to based on KiloByte
  //
  TotalMemorySize = LShiftU64 (TotalMemorySize, 20);
  //
  // Generate Memory Array Mapped Address info
  //
  Type19Record = AllocateZeroPool(sizeof (SMBIOS_TABLE_TYPE19) + 2);
  Type19Record->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
  Type19Record->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE19);
  Type19Record->Hdr.Handle = 0;
  Type19Record->StartingAddress = 0;
  Type19Record->EndingAddress =  (UINT32)RShiftU64(TotalMemorySize, 10) - 1;
  Type19Record->MemoryArrayHandle = 0;
  Type19Record->PartitionWidth = (UINT8)(NumSlots);

  //
  // Generate Memory Array Mapped Address info (TYPE 19)
  //
  Status = AddSmbiosRecord (Smbios, &MemArrayMappedAddrSmbiosHandle, (EFI_SMBIOS_TABLE_HEADER*) Type19Record);

  FreePool(Type19Record);
  ASSERT_EFI_ERROR (Status);

  return Status;
}

/**
  Perform the platform diagnostic, such like test memory. OEM/IBV also
  can customize this function to support specific platform diagnostic.

  @param MemoryTestLevel  The memory test intensive level
  @param QuietBoot        Indicate if need to enable the quiet boot
  @param BaseMemoryTest   A pointer to BdsMemoryTest()

**/
VOID
PlatformBdsDiagnostics (
  IN EXTENDMEM_COVERAGE_LEVEL    MemoryTestLevel,
  IN BOOLEAN                     QuietBoot,
  IN BASEM_MEMORY_TEST           BaseMemoryTest
  )
{
	EFI_STATUS                     Status;
  
  DEBUG ((EFI_D_INFO, "PlatformBdsDiagnostics\n"));
  //
  // Here we can decide if we need to show
  // the diagnostics screen
  // Notes: this quiet boot code should be remove
  // from the graphic lib
  //
  if (QuietBoot) {
    EnableQuietBoot (PcdGetPtr(PcdLogoFile));

    //
    // Perform system diagnostic
    //
    Status = BaseMemoryTest (MemoryTestLevel);
    if (EFI_ERROR (Status)) {
      DisableQuietBoot ();
    }

    return;
  }
  
  //
  // Perform system diagnostic
  //
  Status = BaseMemoryTest (MemoryTestLevel);
}

EFI_STATUS
InitializeConsole (
  VOID
  )
{
  EFI_STATUS                Status;
  EFI_DEVICE_PATH*          ConOutDevicePaths;
  EFI_DEVICE_PATH*          ConInDevicePaths;
  EFI_DEVICE_PATH*          ConErrDevicePaths;

  // By getting the Console Device Paths from the environment variables before initializing the console pipe, we
  // create the 3 environment variables (ConIn, ConOut, ConErr) that allows to initialize all the console interface
  // of newly installed console drivers
  Status = GetConsoleDevicePathFromVariable (L"ConOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConOutDevicePaths);
  ASSERT_EFI_ERROR (Status);
  Status = GetConsoleDevicePathFromVariable (L"ConIn", (CHAR16*)PcdGetPtr(PcdDefaultConInPaths), &ConInDevicePaths);
  ASSERT_EFI_ERROR (Status);
  Status = GetConsoleDevicePathFromVariable (L"ErrOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConErrDevicePaths);
  ASSERT_EFI_ERROR (Status);

  // Initialize the Consoles
  Status = InitializeConsolePipe (ConOutDevicePaths, &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **)&gST->ConOut);
  ASSERT_EFI_ERROR (Status);
  Status = InitializeConsolePipe (ConInDevicePaths, &gEfiSimpleTextInProtocolGuid, &gST->ConsoleInHandle, (VOID **)&gST->ConIn);
  ASSERT_EFI_ERROR (Status);
  Status = InitializeConsolePipe (ConErrDevicePaths, &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **)&gST->StdErr);
  if (EFI_ERROR(Status)) {
    // In case of error, we reuse the console output for the error output
    gST->StandardErrorHandle = gST->ConsoleOutHandle;
    gST->StdErr = gST->ConOut;
  }

  // Free Memory allocated for reading the UEFI Variables
  if (ConOutDevicePaths) {
    FreePool (ConOutDevicePaths);
  }
  if (ConInDevicePaths) {
    FreePool (ConInDevicePaths);
  }
  if (ConErrDevicePaths) {
    FreePool (ConErrDevicePaths);
  }

  return EFI_SUCCESS;
}

/**
  The driver's entry point.

  It install callbacks for TPM physical presence and MemoryClear, and locate 
  SMM variable to be used in the callback function.

  @param[in] ImageHandle  The firmware allocated handle for the EFI image.  
  @param[in] SystemTable  A pointer to the EFI System Table.
  
  @retval EFI_SUCCESS     The entry point is executed successfully.
  @retval Others          Some error occurs when executing this entry point.

**/
EFI_STATUS
EFIAPI
InitializeTcgSmm (
  IN EFI_HANDLE                  ImageHandle,
  IN EFI_SYSTEM_TABLE            *SystemTable
  )
{
  EFI_STATUS                     Status;
  EFI_SMM_SW_DISPATCH2_PROTOCOL  *SwDispatch;
  EFI_SMM_SW_REGISTER_CONTEXT    SwContext;
  EFI_HANDLE                     SwHandle;

  if (!CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm20DtpmGuid)){
    DEBUG ((EFI_D_ERROR, "No TPM2 DTPM instance required!\n"));
    return EFI_UNSUPPORTED;
  }

  Status = PublishAcpiTable ();
  ASSERT_EFI_ERROR (Status);

  //
  // Get the Sw dispatch protocol and register SMI callback functions.
  //
  Status = gSmst->SmmLocateProtocol (&gEfiSmmSwDispatch2ProtocolGuid, NULL, (VOID**)&SwDispatch);
  ASSERT_EFI_ERROR (Status);
  SwContext.SwSmiInputValue = (UINTN) -1;
  Status = SwDispatch->Register (SwDispatch, PhysicalPresenceCallback, &SwContext, &SwHandle);
  ASSERT_EFI_ERROR (Status);
  if (EFI_ERROR (Status)) {
    return Status;
  }
  mTcgNvs->PhysicalPresence.SoftwareSmi = (UINT8) SwContext.SwSmiInputValue;

  SwContext.SwSmiInputValue = (UINTN) -1;
  Status = SwDispatch->Register (SwDispatch, MemoryClearCallback, &SwContext, &SwHandle);
  ASSERT_EFI_ERROR (Status);
  if (EFI_ERROR (Status)) {
    return Status;
  }
  mTcgNvs->MemoryClear.SoftwareSmi = (UINT8) SwContext.SwSmiInputValue;
  
  //
  // Locate SmmVariableProtocol.
  //
  Status = gSmst->SmmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL, (VOID**)&mSmmVariable);
  ASSERT_EFI_ERROR (Status);

  //
  // Set TPM2 ACPI table
  //
  Status = PublishTpm2 ();
  ASSERT_EFI_ERROR (Status);


  return EFI_SUCCESS;
}

/**
  Initialize and publish TPM items in ACPI table.

  @retval   EFI_SUCCESS     The TCG ACPI table is published successfully.
  @retval   Others          The TCG ACPI table is not published.

**/
EFI_STATUS
PublishAcpiTable (
  VOID
  )
{
  EFI_STATUS                     Status;
  EFI_ACPI_TABLE_PROTOCOL        *AcpiTable;
  UINTN                          TableKey;
  EFI_ACPI_DESCRIPTION_HEADER    *Table;
  UINTN                          TableSize;

  Status = GetSectionFromFv (
             &gEfiCallerIdGuid,
             EFI_SECTION_RAW,
             0,
             (VOID **) &Table,
             &TableSize
             );
  ASSERT_EFI_ERROR (Status);


  //
  // Measure to PCR[0] with event EV_POST_CODE ACPI DATA
  //
  TpmMeasureAndLogData(
    0,
    EV_POST_CODE,
    EV_POSTCODE_INFO_ACPI_DATA,
    ACPI_DATA_LEN,
    Table,
    TableSize
    );


  ASSERT (Table->OemTableId == SIGNATURE_64 ('T', 'p', 'm', '2', 'T', 'a', 'b', 'l'));
  CopyMem (Table->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (Table->OemId) );
  mTcgNvs = AssignOpRegion (Table, SIGNATURE_32 ('T', 'N', 'V', 'S'), (UINT16) sizeof (TCG_NVS));
  ASSERT (mTcgNvs != NULL);

  //
  // Publish the TPM ACPI table
  //
  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTable);
  ASSERT_EFI_ERROR (Status);

  TableKey = 0;
  Status = AcpiTable->InstallAcpiTable (
                        AcpiTable,
                        Table,
                        TableSize,
                        &TableKey
                        );
  ASSERT_EFI_ERROR (Status);

  return Status;
}

UINTN
GetMaxSystemMemoryCount (
  VOID
  )
{
  UINTN  SystemMemoryCount;
  
  SystemMemoryCount = CountSeperatorsInString(PcdGetPtr(PcdWinNtMemorySizeForSecMain), '!') + 1;
  return SystemMemoryCount;
}

/**
  Print the prompt for the EBL.
**/
VOID
EblPrompt (
  VOID
  )
{
  EblSetTextColor (EFI_YELLOW);
  AsciiPrint ("%a %a",(CHAR8 *)PcdGetPtr (PcdEmbeddedPrompt), EfiGetCwd ());
  EblSetTextColor (0);
  AsciiPrint ("%a", ">");
}

EFI_STATUS
BdsLoadOptionFileSystemCreatePcdDevicePath (
  OUT EFI_DEVICE_PATH_PROTOCOL  **DevicePathNodes
  )
{
  EFI_STATUS  Status=EFI_SUCCESS;
  FILEPATH_DEVICE_PATH* FilePathDevicePath;
  CHAR16*      BootFilePath;
  UINTN       BootFilePathSize;

  if (*(CHAR16*)PcdGetPtr (PcdDefaultBootDevicePath) == L'\0')
  {
      BootFilePath=(CHAR16*)PcdGetPtr(PcdDefaultBootInitrdPath);
  }
  else
  {
      BootFilePath=(CHAR16*)PcdGetPtr(PcdDefaultBootDevicePath);
  }
    
  BootFilePathSize = StrSize (BootFilePath);
  if (BootFilePathSize == 2) {
    *DevicePathNodes = NULL;
    return EFI_NOT_FOUND;
  }
  
  // Create the FilePath Device Path node
  FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize + END_DEVICE_PATH_LENGTH);
  if (NULL == FilePathDevicePath)
  {
    Print(L"AllocatePool FilePathDevicePath fail!!!\n");
    return EFI_OUT_OF_RESOURCES;
  }
  FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
  FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
  SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
  //CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
  memcpy_s(FilePathDevicePath->PathName, BootFilePathSize,BootFilePath, BootFilePathSize);
  SetDevicePathEndNode ((VOID*)((UINTN)FilePathDevicePath + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize));
  *DevicePathNodes = (EFI_DEVICE_PATH_PROTOCOL*)FilePathDevicePath;

  return Status;
}

VOID
PlatformBdsDiagnostics (
  IN EXTENDMEM_COVERAGE_LEVEL    MemoryTestLevel,
  IN BOOLEAN                     QuietBoot,
  IN BASEM_MEMORY_TEST           BaseMemoryTest
  )
/*++

Routine Description:

  Perform the platform diagnostic, such like test memory. OEM/IBV also
  can customize this fuction to support specific platform diagnostic.

Arguments:

  MemoryTestLevel  - The memory test intensive level

  QuietBoot        - Indicate if need to enable the quiet boot

  BaseMemoryTest   - A pointer to BaseMemoryTest()

Returns:

  None.

--*/
{
  EFI_STATUS  Status;

  DEBUG ((EFI_D_INFO, "PlatformBdsDiagnostics\n"));

  //
  // Here we can decide if we need to show
  // the diagnostics screen
  // Notes: this quiet boot code should be remove
  // from the graphic lib
  //
  if (QuietBoot) {
    EnableQuietBoot (PcdGetPtr(PcdLogoFile));
    //
    // Perform system diagnostic
    //
    Status = BaseMemoryTest (MemoryTestLevel);
    if (EFI_ERROR (Status)) {
      DisableQuietBoot ();
    }

    return ;
  }
  //
  // Perform system diagnostic
  //
  Status = BaseMemoryTest (MemoryTestLevel);
}