/**

  Wrap the call to PI's EFI_PEI_LOAD_FILE_PPI.

  @param This           A pointer to EFI_PEI_FV_FILE_LOADER_PPI.
  @param FfsHeader      The pointer to the file header to be loaded by the Pe/Coff loader.
  @param ImageAddress   The loaded address of the Image.
  @param ImageSize      Pointer to the size of the loaded image.
  @param EntryPoint     Pointer to the entry point of the image.

  @retval  EFI_SUCCESS           The image was loaded successfully.
  @retval  EFI_OUT_OF_RESOURCE   There was not enought memory.
  @retval  EFI_INVALID_PARAMETER The contents of the FFS file did not contain a valid PE/COFF image that could be loaded.
**/  
EFI_STATUS
EFIAPI
FrameworkLoadFile (
  IN EFI_PEI_FV_FILE_LOADER_PPI                 *This,
  IN  EFI_FFS_FILE_HEADER                       *FfsHeader,
  OUT EFI_PHYSICAL_ADDRESS                      *ImageAddress,
  OUT UINT64                                    *ImageSize,
  OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint
  )
{
  EFI_STATUS              Status;
  EFI_PEI_LOAD_FILE_PPI   *PiLoadFile;
  UINT32                  AuthenticationState;

  Status = PeiServicesLocatePpi (
             &gEfiPeiLoadFilePpiGuid,
             0,
             NULL,
             (VOID **) &PiLoadFile
             );
  ASSERT_EFI_ERROR (Status);

  return PiLoadFile->LoadFile (
           PiLoadFile,
           (EFI_PEI_FILE_HANDLE) FfsHeader,
           ImageAddress,
           ImageSize,
           EntryPoint,
           &AuthenticationState
         );
    
}
Exemplo n.º 2
0
Arquivo: DxeLoad.c Projeto: M1cha/edk2
/**
   Main entry point to last PEIM. 

   This function finds DXE Core in the firmware volume and transfer the control to
   DXE core.
    
   @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              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;
  EFI_FV_FILE_INFO                          DxeCoreFileInfo;
  EFI_PHYSICAL_ADDRESS                      DxeCoreAddress;
  UINT64                                    DxeCoreSize;
  EFI_PHYSICAL_ADDRESS                      DxeCoreEntryPoint;
  EFI_BOOT_MODE                             BootMode;
  EFI_PEI_FILE_HANDLE                       FileHandle;
  EFI_PEI_READ_ONLY_VARIABLE2_PPI           *Variable;
  EFI_PEI_LOAD_FILE_PPI                     *LoadFile;
  UINTN                                     Instance;
  UINT32                                    AuthenticationState;
  UINTN                                     DataSize;
  EFI_PEI_S3_RESUME2_PPI                    *S3Resume;
  EFI_PEI_RECOVERY_MODULE_PPI               *PeiRecovery;
  EFI_MEMORY_TYPE_INFORMATION               MemoryData[EfiMaxMemoryType + 1];

  //
  // if in S3 Resume, restore configure
  //
  BootMode = GetBootModeHob ();

  if (BootMode == BOOT_ON_S3_RESUME) {
    Status = PeiServicesLocatePpi (
               &gEfiPeiS3Resume2PpiGuid,
               0,
               NULL,
               (VOID **) &S3Resume
               );
    if (EFI_ERROR (Status)) {
      //
      // Report Status code that S3Resume PPI can not be found
      //
      REPORT_STATUS_CODE (
        EFI_ERROR_CODE | EFI_ERROR_MAJOR,
        (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_PPI_NOT_FOUND)
        );
    }
    ASSERT_EFI_ERROR (Status);
    
    Status = S3Resume->S3RestoreConfig2 (S3Resume);
    ASSERT_EFI_ERROR (Status);
  } else if (BootMode == BOOT_IN_RECOVERY_MODE) {
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_RECOVERY_BEGIN));
    Status = PeiServicesLocatePpi (
               &gEfiPeiRecoveryModulePpiGuid,
               0,
               NULL,
               (VOID **) &PeiRecovery
               );

    if (EFI_ERROR (Status)) {
      DEBUG ((DEBUG_ERROR, "Locate Recovery PPI Failed.(Status = %r)\n", Status));
      //
      // Report Status code the failure of locating Recovery PPI 
      //
      REPORT_STATUS_CODE (
        EFI_ERROR_CODE | EFI_ERROR_MAJOR,
        (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_RECOVERY_PPI_NOT_FOUND)
        );
      CpuDeadLoop ();
    }

    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_CAPSULE_LOAD));
    Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);
    if (EFI_ERROR (Status)) {
      DEBUG ((DEBUG_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));
      //
      // Report Status code that recovery image can not be found
      //
      REPORT_STATUS_CODE (
        EFI_ERROR_CODE | EFI_ERROR_MAJOR,
        (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_NO_RECOVERY_CAPSULE)
        );
      CpuDeadLoop ();
    }
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_CAPSULE_START));
    //
    // Now should have a HOB with the DXE core
    //
  }

  if (GetFirstGuidHob ((CONST EFI_GUID *)&gEfiMemoryTypeInformationGuid) == NULL) {
    //
    // Don't build GuidHob if GuidHob has been installed.
    //
    Status = PeiServicesLocatePpi (
               &gEfiPeiReadOnlyVariable2PpiGuid,
               0,
               NULL,
               (VOID **)&Variable
               );
    if (!EFI_ERROR (Status)) {
      DataSize = sizeof (MemoryData);
      Status = Variable->GetVariable ( 
                           Variable, 
                           EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
                           &gEfiMemoryTypeInformationGuid,
                           NULL,
                           &DataSize,
                           &MemoryData
                           );
      if (!EFI_ERROR (Status) && ValidateMemoryTypeInfoVariable(MemoryData, DataSize)) {
        //
        // Build the GUID'd HOB for DXE
        //
        BuildGuidDataHob (
          &gEfiMemoryTypeInformationGuid,
          MemoryData,
          DataSize
          );
      }
    }
  }

  //
  // Look in all the FVs present in PEI and find the DXE Core FileHandle
  //
  FileHandle = DxeIplFindDxeCore ();

  //
  // Load the DXE Core from a Firmware Volume.
  //
  Instance = 0;
  do {
    Status = PeiServicesLocatePpi (&gEfiPeiLoadFilePpiGuid, Instance++, NULL, (VOID **) &LoadFile);
    //
    // These must exist an instance of EFI_PEI_LOAD_FILE_PPI to support to load DxeCore file handle successfully.
    //
    ASSERT_EFI_ERROR (Status);

    Status = LoadFile->LoadFile (
                         LoadFile,
                         FileHandle,
                         &DxeCoreAddress,
                         &DxeCoreSize,
                         &DxeCoreEntryPoint,
                         &AuthenticationState
                         );
  } while (EFI_ERROR (Status));

  //
  // Get the DxeCore File Info from the FileHandle for the DxeCore GUID file name.
  //
  Status = PeiServicesFfsGetFileInfo (FileHandle, &DxeCoreFileInfo);
  ASSERT_EFI_ERROR (Status);

  //
  // Add HOB for the DXE Core
  //
  BuildModuleHob (
    &DxeCoreFileInfo.FileName,
    DxeCoreAddress,
    ALIGN_VALUE (DxeCoreSize, EFI_PAGE_SIZE),
    DxeCoreEntryPoint
    );

  //
  // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT
  //
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_CORE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT));

  DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Loading DXE CORE at 0x%11p EntryPoint=0x%11p\n", (VOID *)(UINTN)DxeCoreAddress, FUNCTION_ENTRY_POINT (DxeCoreEntryPoint)));

  //
  // Transfer control to the DXE Core
  // The hand off state is simply a pointer to the HOB list
  //
  HandOffToDxeCore (DxeCoreEntryPoint, HobList);
  //
  // If we get here, then the DXE Core returned.  This is an error
  // DxeCore should not return.
  //
  ASSERT (FALSE);
  CpuDeadLoop ();

  return EFI_OUT_OF_RESOURCES;
}
Exemplo n.º 3
0
Arquivo: Image.c Projeto: B-Rich/edk2
/**
  Routine to load image file for subsequent execution by LoadFile Ppi.
  If any LoadFile Ppi is not found, the build-in support function for the PE32+/TE
  XIP image format is used.

  @param PeiServices     - An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
  @param FileHandle      - Pointer to the FFS file header of the image.
  @param PeimState       - The dispatch state of the input PEIM handle.
  @param EntryPoint      - Pointer to entry point of specified image file for output.
  @param AuthenticationState - Pointer to attestation authentication state of image.

  @retval EFI_SUCCESS    - Image is successfully loaded.
  @retval EFI_NOT_FOUND  - Fail to locate necessary PPI
  @retval Others         - Fail to load file.

**/
EFI_STATUS
PeiLoadImage (
  IN     CONST EFI_PEI_SERVICES       **PeiServices,
  IN     EFI_PEI_FILE_HANDLE          FileHandle,
  IN     UINT8                        PeimState,
  OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,
  OUT    UINT32                       *AuthenticationState
  )
{
  EFI_STATUS              PpiStatus;
  EFI_STATUS              Status;
  UINTN                   Index;
  EFI_PEI_LOAD_FILE_PPI   *LoadFile;
  EFI_PHYSICAL_ADDRESS    ImageAddress;
  UINT64                  ImageSize;
  BOOLEAN                 IsStrip;

  IsStrip = FALSE;
  //
  // If any instances of PEI_LOAD_FILE_PPI are installed, they are called.
  // one at a time, until one reports EFI_SUCCESS.
  //
  Index = 0;
  do {
    PpiStatus = PeiServicesLocatePpi (
                  &gEfiPeiLoadFilePpiGuid,
                  Index,
                  NULL,
                  (VOID **)&LoadFile
                  );
    if (!EFI_ERROR (PpiStatus)) {
      Status = LoadFile->LoadFile (
                          LoadFile,
                          FileHandle,
                          &ImageAddress,
                          &ImageSize,
                          EntryPoint,
                          AuthenticationState
                          );
      if (!EFI_ERROR (Status) || Status == EFI_WARN_BUFFER_TOO_SMALL) {
        //
        // The shadowed PEIM must be relocatable.
        //
        if (PeimState == PEIM_STATE_REGISITER_FOR_SHADOW) {
          IsStrip = RelocationIsStrip ((VOID *) (UINTN) ImageAddress);
          ASSERT (!IsStrip);
          if (IsStrip) {
            return EFI_UNSUPPORTED;
          }
        }

        //
        // The image to be started must have the machine type supported by PeiCore.
        //
        ASSERT (EFI_IMAGE_MACHINE_TYPE_SUPPORTED (PeCoffLoaderGetMachineType ((VOID *) (UINTN) ImageAddress)));
        if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (PeCoffLoaderGetMachineType ((VOID *) (UINTN) ImageAddress))) {
          return EFI_UNSUPPORTED;
        }
        return EFI_SUCCESS;
      }
    }
    Index++;
  } while (!EFI_ERROR (PpiStatus));

  return PpiStatus;
}