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[mirror_edk2.git] / MdeModulePkg / Core / Pei / Image / Image.c

/*++\r
\r
Copyright (c) 2006 - 2007, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
\r
  Image.c\r
\r
Abstract:\r
\r
  Pei Core Load Image Support\r
\r
--*/\r
\r
#include <PeiMain.h>\r
\r
/*++\r
\r
Routine Description:\r
\r
  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
\r
Arguments:\r
\r
  FileHandle - The handle to the PE/COFF file\r
  FileOffset - The offset, in bytes, into the file to read\r
  ReadSize   - The number of bytes to read from the file starting at FileOffset\r
  Buffer     - A pointer to the buffer to read the data into.\r
\r
Returns:\r
\r
  EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
\r
--*/  \r
\r
EFI_STATUS\r
PeiLoadImageLoadImage (\r
  IN     EFI_PEI_SERVICES             **PeiServices,\r
  IN     EFI_PEI_FILE_HANDLE          FileHandle,\r
  OUT    EFI_PHYSICAL_ADDRESS         *ImageAddressArg,  OPTIONAL\r
  OUT    UINT64                       *ImageSizeArg,     OPTIONAL\r
  OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
  OUT    UINT32                       *AuthenticationState\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Routine for loading file image.\r
\r
Arguments:\r
\r
  PeiServices          - The PEI core services table.\r
  FileHandle           - Pointer to the FFS file header of the image.\r
  ImageAddressArg      - Pointer to PE/TE image.\r
  ImageSizeArg         - Size of PE/TE image.\r
  EntryPoint           - Pointer to entry point of specified image file for output.\r
  AuthenticationState  - Pointer to attestation authentication state of image.\r
\r
Returns:\r
\r
  Status - EFI_SUCCESS    - Image is successfully loaded.\r
           EFI_NOT_FOUND  - Fail to locate necessary PPI\r
           Others         - Fail to load file.\r
\r
--*/\r
;\r
\r
EFI_STATUS\r
EFIAPI\r
PeiLoadImageLoadImageWrapper (\r
  IN     CONST EFI_PEI_LOAD_FILE_PPI  *This,\r
  IN     EFI_PEI_FILE_HANDLE          FileHandle,\r
  OUT    EFI_PHYSICAL_ADDRESS         *ImageAddressArg,  OPTIONAL\r
  OUT    UINT64                       *ImageSizeArg,     OPTIONAL\r
  OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
  OUT    UINT32                       *AuthenticationState\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  The wrapper function of PeiLoadImageLoadImage().\r
\r
Arguments:\r
\r
  This                 - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
  PeiServices          - The PEI core services table.\r
  FileHandle           - Pointer to the FFS file header of the image.\r
  ImageAddressArg      - Pointer to PE/TE image.\r
  ImageSizeArg         - Size of PE/TE image.\r
  EntryPoint           - Pointer to entry point of specified image file for output.\r
  AuthenticationState  - Pointer to attestation authentication state of image.\r
\r
Returns:\r
\r
  EFI_STATUS.\r
  \r
--*/ \r
;\r
\r
STATIC EFI_PEI_LOAD_FILE_PPI   mPeiLoadImagePpi = {\r
  PeiLoadImageLoadImageWrapper\r
};\r
\r
\r
STATIC EFI_PEI_PPI_DESCRIPTOR     gPpiLoadFilePpiList = {\r
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
  &gEfiPeiLoadFilePpiGuid,\r
  &mPeiLoadImagePpi\r
};\r
\r
EFI_STATUS\r
EFIAPI\r
PeiImageRead (\r
  IN     VOID    *FileHandle,\r
  IN     UINTN   FileOffset,\r
  IN OUT UINTN   *ReadSize,\r
  OUT    VOID    *Buffer\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
\r
Arguments:\r
\r
  FileHandle - The handle to the PE/COFF file\r
  FileOffset - The offset, in bytes, into the file to read\r
  ReadSize   - The number of bytes to read from the file starting at FileOffset\r
  Buffer     - A pointer to the buffer to read the data into.\r
\r
Returns:\r
\r
  EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
\r
--*/\r
{\r
  CHAR8 *Destination8;\r
  CHAR8 *Source8;\r
  UINTN Length;\r
\r
  Destination8  = Buffer;\r
  Source8       = (CHAR8 *) ((UINTN) FileHandle + FileOffset);\r
  Length        = *ReadSize;\r
  while (Length--) {\r
    *(Destination8++) = *(Source8++);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
GetImageReadFunction (\r
  IN      PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Support routine to return the Image Read\r
\r
Arguments:\r
\r
  PeiServices   - PEI Services Table\r
\r
  ImageContext  - The context of the image being loaded\r
\r
Returns:\r
\r
  EFI_SUCCESS - If Image function location is found\r
\r
--*/\r
{\r
  VOID*  MemoryBuffer;\r
\r
  MemoryBuffer = AllocatePages (0x400 / EFI_PAGE_SIZE + 1);\r
  ASSERT (MemoryBuffer != NULL);\r
\r
  CopyMem (MemoryBuffer, (CONST VOID *) (UINTN) PeiImageRead, 0x400);\r
\r
  ImageContext->ImageRead = (PE_COFF_LOADER_READ_FILE) (UINTN) MemoryBuffer;\r
\r
  return EFI_SUCCESS;\r
}\r
\r
STATIC\r
EFI_STATUS\r
LoadAndRelocatePeCoffImage (\r
  IN  VOID                                      *Pe32Data,\r
  OUT EFI_PHYSICAL_ADDRESS                      *ImageAddress,\r
  OUT UINT64                                    *ImageSize,\r
  OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Loads and relocates a PE/COFF image into memory.\r
\r
Arguments:\r
\r
  Pe32Data         - The base address of the PE/COFF file that is to be loaded and relocated\r
\r
  ImageAddress     - The base address of the relocated PE/COFF image\r
\r
  ImageSize        - The size of the relocated PE/COFF image\r
\r
  EntryPoint       - The entry point of the relocated PE/COFF image\r
\r
Returns:\r
\r
  EFI_SUCCESS   - The file was loaded and relocated\r
\r
  EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r
\r
--*/\r
{\r
  EFI_STATUS                            Status;\r
  PE_COFF_LOADER_IMAGE_CONTEXT          ImageContext;\r
\r
  ZeroMem (&ImageContext, sizeof (ImageContext));\r
  ImageContext.Handle = Pe32Data;\r
  Status              = GetImageReadFunction (&ImageContext);\r
\r
  ASSERT_EFI_ERROR (Status);\r
\r
  Status = PeCoffLoaderGetImageInfo (&ImageContext);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  //\r
  // Allocate Memory for the image\r
  //\r
  ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r
  ASSERT (ImageContext.ImageAddress != 0);\r
  \r
  //\r
  // Skip the reserved space for the stripped PeHeader when load TeImage into memory.\r
  //\r
  if (ImageContext.IsTeImage) {\r
    ImageContext.ImageAddress = ImageContext.ImageAddress + \r
                                ((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize -\r
                                sizeof (EFI_TE_IMAGE_HEADER);\r
  }\r
\r
  //\r
  // Load the image to our new buffer\r
  //\r
  Status = PeCoffLoaderLoadImage (&ImageContext);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  //\r
  // Relocate the image in our new buffer\r
  //\r
  Status = PeCoffLoaderRelocateImage (&ImageContext);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  //\r
  // Flush the instruction cache so the image data is written before we execute it\r
  //\r
  InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r
\r
  *ImageAddress = ImageContext.ImageAddress;\r
  *ImageSize    = ImageContext.ImageSize;\r
  *EntryPoint   = ImageContext.EntryPoint;\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
PeiLoadImageLoadImage (\r
  IN     EFI_PEI_SERVICES             **PeiServices,\r
  IN     EFI_PEI_FILE_HANDLE          FileHandle,\r
  OUT    EFI_PHYSICAL_ADDRESS         *ImageAddressArg,  OPTIONAL\r
  OUT    UINT64                       *ImageSizeArg,     OPTIONAL\r
  OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
  OUT    UINT32                       *AuthenticationState\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Routine for loading file image.\r
\r
Arguments:\r
\r
  PeiServices          - The PEI core services table.\r
  FileHandle           - Pointer to the FFS file header of the image.\r
  ImageAddressArg      - Pointer to PE/TE image.\r
  ImageSizeArg         - Size of PE/TE image.\r
  EntryPoint           - Pointer to entry point of specified image file for output.\r
  AuthenticationState  - Pointer to attestation authentication state of image.\r
\r
Returns:\r
\r
  Status - EFI_SUCCESS    - Image is successfully loaded.\r
           EFI_NOT_FOUND  - Fail to locate necessary PPI\r
           Others         - Fail to load file.\r
\r
--*/\r
{\r
  EFI_STATUS                  Status;\r
  VOID                        *Pe32Data;\r
  EFI_PHYSICAL_ADDRESS        ImageAddress;\r
  UINT64                      ImageSize;\r
  EFI_PHYSICAL_ADDRESS        ImageEntryPoint;\r
  UINT16                      Machine;\r
  PEI_CORE_INSTANCE           *Private;\r
  VOID                        *EntryPointArg;\r
\r
  *EntryPoint          = 0;\r
  ImageSize            = 0;\r
  *AuthenticationState = 0;\r
\r
  //\r
  // Try to find a TE section.\r
  //\r
  Status = PeiServicesFfsFindSectionData (\r
             EFI_SECTION_TE,\r
             FileHandle,\r
             &Pe32Data\r
             );\r
  //\r
  // If we didn't find a TE section, try to find a PE32 section.\r
  //\r
  if (EFI_ERROR (Status)) {\r
    Status = PeiServicesFfsFindSectionData (\r
               EFI_SECTION_PE32,\r
               FileHandle,\r
               &Pe32Data\r
               );\r
    if (EFI_ERROR (Status)) {\r
      //\r
      // PEI core only carry the loader function fro TE and PE32 executables\r
      // If this two section does not exist, just return.\r
      //\r
      return Status;\r
    }\r
  }\r
  \r
  Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
\r
  if (Private->PeiMemoryInstalled && \r
      (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
    //\r
    // If memory is installed, perform the shadow operations\r
    //\r
    Status = LoadAndRelocatePeCoffImage (\r
      Pe32Data,\r
      &ImageAddress,\r
      &ImageSize,\r
      &ImageEntryPoint\r
    );\r
\r
    if (EFI_ERROR (Status)) {\r
      return Status;\r
    }\r
\r
    //\r
    // Got the entry point from the loaded Pe32Data\r
    //\r
    Pe32Data    = (VOID *) ((UINTN) ImageAddress);\r
    *EntryPoint = ImageEntryPoint;\r
  } else {\r
    //\r
    // Retrieve the entry point from the PE/COFF or TE image header\r
    //\r
    ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r
    Status = PeCoffLoaderGetEntryPoint (Pe32Data, &EntryPointArg);\r
    if (EFI_ERROR (Status)) {\r
      return Status;\r
    }\r
    *EntryPoint = (EFI_PHYSICAL_ADDRESS) (UINTN) EntryPointArg;\r
  }\r
  \r
  Machine = PeCoffLoaderGetMachineType (Pe32Data);\r
  \r
  if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Machine)) {\r
    return EFI_UNSUPPORTED;  \r
  }\r
\r
  if (ImageAddressArg != NULL) {\r
    *ImageAddressArg = ImageAddress;\r
  }\r
\r
  if (ImageSizeArg != NULL) {\r
    *ImageSizeArg = ImageSize;\r
  }\r
  \r
  //\r
  // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r
  //\r
  DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%08x EntryPoint=0x%08x ", (UINTN) ImageAddress, *EntryPoint));\r
  DEBUG_CODE_BEGIN ();\r
    CHAR8                              *AsciiString;\r
    CHAR8                              AsciiBuffer[512];\r
    INT32                              Index;\r
    INT32                              Index1;\r
    \r
    AsciiString = PeCoffLoaderGetPdbPointer (Pe32Data);\r
    \r
    if (AsciiString != NULL) {\r
      for (Index = (INT32) AsciiStrLen (AsciiString) - 1; Index >= 0; Index --) {\r
        if (AsciiString[Index] == '\\') {\r
          break;\r
        }\r
      }\r
\r
      if (Index != 0) {\r
        for (Index1 = 0; AsciiString[Index + 1 + Index1] != '.'; Index1 ++) {\r
          AsciiBuffer [Index1] = AsciiString[Index + 1 + Index1];\r
        }\r
        AsciiBuffer [Index1] = '\0';\r
        DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r
      }\r
    }\r
\r
  DEBUG_CODE_END ();\r
\r
  DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r
\r
  return EFI_SUCCESS;\r
\r
}\r
\r
\r
EFI_STATUS\r
EFIAPI\r
PeiLoadImageLoadImageWrapper (\r
  IN     CONST EFI_PEI_LOAD_FILE_PPI  *This,\r
  IN     EFI_PEI_FILE_HANDLE          FileHandle,\r
  OUT    EFI_PHYSICAL_ADDRESS         *ImageAddressArg,  OPTIONAL\r
  OUT    UINT64                       *ImageSizeArg,     OPTIONAL\r
  OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
  OUT    UINT32                       *AuthenticationState\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  The wrapper function of PeiLoadImageLoadImage().\r
\r
Arguments:\r
\r
  This                 - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
  PeiServices          - The PEI core services table.\r
  FileHandle           - Pointer to the FFS file header of the image.\r
  ImageAddressArg      - Pointer to PE/TE image.\r
  ImageSizeArg         - Size of PE/TE image.\r
  EntryPoint           - Pointer to entry point of specified image file for output.\r
  AuthenticationState  - Pointer to attestation authentication state of image.\r
\r
Returns:\r
\r
  EFI_STATUS.\r
  \r
--*/      \r
{\r
  return PeiLoadImageLoadImage (\r
           GetPeiServicesTablePointer (),\r
           FileHandle,\r
           ImageAddressArg,\r
           ImageSizeArg,\r
           EntryPoint,\r
           AuthenticationState\r
           );\r
}\r
\r
EFI_STATUS\r
PeiLoadImage (\r
  IN     EFI_PEI_SERVICES             **PeiServices,\r
  IN     EFI_PEI_FILE_HANDLE          FileHandle,\r
  OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
  OUT    UINT32                       *AuthenticationState\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Routine for load image file.\r
\r
Arguments:\r
\r
  PeiServices          - The PEI core services table.\r
  FileHandle           - Pointer to the FFS file header of the image.\r
  EntryPoint           - Pointer to entry point of specified image file for output.\r
  AuthenticationState  - Pointer to attestation authentication state of image.\r
\r
Returns:\r
\r
  Status - EFI_SUCCESS    - Image is successfully loaded.\r
           EFI_NOT_FOUND  - Fail to locate necessary PPI\r
           Others         - Fail to load file.\r
  \r
--*/    \r
{\r
  EFI_STATUS              PpiStatus;\r
  EFI_STATUS              Status;\r
  UINTN                   Index;\r
  EFI_PEI_LOAD_FILE_PPI   *LoadFile;\r
  EFI_PHYSICAL_ADDRESS    ImageAddress;\r
  UINT64                  ImageSize;\r
\r
  //\r
  // If any instances of PEI_LOAD_FILE_PPI are installed, they are called.\r
  // one at a time, until one reports EFI_SUCCESS.\r
  //\r
  Index = 0;\r
  do {\r
    PpiStatus = PeiServicesLocatePpi (\r
                  &gEfiPeiLoadFilePpiGuid,\r
                  Index,\r
                  NULL,\r
                  (VOID **)&LoadFile\r
                  );\r
    if (!EFI_ERROR (PpiStatus)) {\r
      Status = LoadFile->LoadFile (\r
                          LoadFile, \r
                          FileHandle, \r
                          &ImageAddress, \r
                          &ImageSize,\r
                          EntryPoint,\r
                          AuthenticationState\r
                          );\r
      if (!EFI_ERROR (Status)) {\r
        return Status;\r
      }\r
    }\r
    Index++;\r
  } while (!EFI_ERROR (PpiStatus));\r
\r
  //\r
  // If no instances reports EFI_SUCCESS, then build-in support for\r
  // the PE32+/TE XIP image format is used.\r
  //\r
  Status = PeiLoadImageLoadImage (\r
            PeiServices, \r
            FileHandle, \r
            NULL, \r
            NULL, \r
            EntryPoint, \r
            AuthenticationState\r
            );\r
  return Status;\r
}\r
\r
\r
VOID\r
InitializeImageServices (\r
  IN  PEI_CORE_INSTANCE   *PrivateData,\r
  IN  PEI_CORE_INSTANCE   *OldCoreData\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Install Pei Load File PPI.\r
\r
Arguments:\r
\r
  PrivateData    - Pointer to PEI_CORE_INSTANCE.\r
  OldCoreData    - Pointer to PEI_CORE_INSTANCE.\r
\r
Returns:\r
\r
  NONE.\r
  \r
--*/      \r
{\r
  if (OldCoreData == NULL) {\r
    //\r
    // The first time we are XIP (running from FLASH). We need to remember the\r
    // FLASH address so we can reinstall the memory version that runs faster\r
    //\r
    PrivateData->XipLoadFile = &gPpiLoadFilePpiList;\r
    PeiServicesInstallPpi (PrivateData->XipLoadFile);\r
  } else {\r
    //\r
    // 2nd time we are running from memory so replace the XIP version with the \r
    // new memory version. \r
    //\r
    PeiServicesReInstallPpi (PrivateData->XipLoadFile, &gPpiLoadFilePpiList); \r
  }\r
}\r
\r
\r
\r