[edk2-devel] [patch 04/11] MdeModulePkg/Core: Remove PcdFrameworkCompatibilitySupport usage

Wu, Hao A hao.a.wu at intel.com
Mon May 6 01:22:35 UTC 2019


> -----Original Message-----
> From: devel at edk2.groups.io [mailto:devel at edk2.groups.io] On Behalf Of
> Dandan Bi
> Sent: Monday, April 29, 2019 10:16 AM
> To: devel at edk2.groups.io
> Cc: Gao, Liming
> Subject: [edk2-devel] [patch 04/11] MdeModulePkg/Core: Remove
> PcdFrameworkCompatibilitySupport usage
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1464
> 
> Currently Framework compatibility is not needed and
> PcdFrameworkCompatibilitySupport will be removed from edk2.
> So remove the usage of this PCD firstly.
> 
> Cc: Liming Gao <liming.gao at intel.com>
> Signed-off-by: Dandan Bi <dandan.bi at intel.com>
> ---
>  MdeModulePkg/Core/Dxe/DxeMain.inf   |   6 +-
>  MdeModulePkg/Core/Dxe/Image/Image.c | 132 +---------------------------
>  MdeModulePkg/Core/Dxe/Image/Image.h |  85 +-----------------
>  MdeModulePkg/Core/Pei/FwVol/FwVol.c |  65 --------------
>  MdeModulePkg/Core/Pei/PeiMain.inf   |   1 -
>  5 files changed, 3 insertions(+), 286 deletions(-)
> 
> diff --git a/MdeModulePkg/Core/Dxe/DxeMain.inf
> b/MdeModulePkg/Core/Dxe/DxeMain.inf
> index 8dee5bee0a..61161bee28 100644
> --- a/MdeModulePkg/Core/Dxe/DxeMain.inf
> +++ b/MdeModulePkg/Core/Dxe/DxeMain.inf
> @@ -1,11 +1,11 @@
>  ## @file
>  #  This is core module in DXE phase.
>  #
>  #  It provides an implementation of DXE Core that is compliant with DXE CIS.
>  #
> -#  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
> +#  Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
>  #  SPDX-License-Identifier: BSD-2-Clause-Patent
>  #
>  ##
> 
>  [Defines]
> @@ -130,11 +130,10 @@
> 
>  [Protocols]
>    ## PRODUCES
>    ## SOMETIMES_CONSUMES
>    gEfiDecompressProtocolGuid
> -  gEfiLoadPeImageProtocolGuid                   ## SOMETIMES_PRODUCES   #
> Produces when PcdFrameworkCompatibilitySupport is set

A couple of questions.

Is '#include <Protocol/LoadPe32Image.h>' in MdeModulePkg\Core\Dxe\DxeMain.h
still needed?

Can we remove EFI_PE32_IMAGE_PROTOCOL altogether? Seems to me there is no
other consumer within edk2.

Best Regards,
Hao Wu

>    gEfiSimpleFileSystemProtocolGuid              ## SOMETIMES_CONSUMES
>    gEfiLoadFileProtocolGuid                      ## SOMETIMES_CONSUMES
>    gEfiLoadFile2ProtocolGuid                     ## SOMETIMES_CONSUMES
>    gEfiBusSpecificDriverOverrideProtocolGuid     ## SOMETIMES_CONSUMES
>    gEfiDriverFamilyOverrideProtocolGuid          ## SOMETIMES_CONSUMES
> @@ -171,13 +170,10 @@
>    gEfiVariableWriteArchProtocolGuid             ## CONSUMES
>    gEfiVariableArchProtocolGuid                  ## CONSUMES
>    gEfiCapsuleArchProtocolGuid                   ## CONSUMES
>    gEfiWatchdogTimerArchProtocolGuid             ## CONSUMES
> 
> -[FeaturePcd]
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFrameworkCompatibilitySupport
> ## CONSUMES
> -
>  [Pcd]
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdLoadFixAddressBootTimeCodePageNu
> mber    ## SOMETIMES_CONSUMES
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdLoadFixAddressRuntimeCodePageNum
> ber     ## SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdLoadModuleAtFixAddressEnable
> ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdMaxEfiSystemTablePointerAddress
> ## CONSUMES
> diff --git a/MdeModulePkg/Core/Dxe/Image/Image.c
> b/MdeModulePkg/Core/Dxe/Image/Image.c
> index de5b8bed27..22a87ecf6d 100644
> --- a/MdeModulePkg/Core/Dxe/Image/Image.c
> +++ b/MdeModulePkg/Core/Dxe/Image/Image.c
> @@ -1,9 +1,9 @@
>  /** @file
>    Core image handling services to load and unload PeImage.
> 
> -Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
>  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>  **/
> 
>  #include "DxeMain.h"
> @@ -12,19 +12,10 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>  //
>  // Module Globals
>  //
>  LOADED_IMAGE_PRIVATE_DATA  *mCurrentImage = NULL;
> 
> -LOAD_PE32_IMAGE_PRIVATE_DATA  mLoadPe32PrivateData = {
> -  LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE,
> -  NULL,
> -  {
> -    CoreLoadImageEx,
> -    CoreUnloadImageEx
> -  }
> -};
> -
>  typedef struct {
>    LIST_ENTRY                            Link;
>    EDKII_PECOFF_IMAGE_EMULATOR_PROTOCOL  *Emulator;
>    UINT16                                MachineType;
>  } EMULATOR_ENTRY;
> @@ -274,22 +265,10 @@ CoreInitializeImageServices (
>               );
>    ASSERT_EFI_ERROR(Status);
> 
>    InitializeListHead (&mAvailableEmulators);
> 
> -  if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {
> -    //
> -    // Export DXE Core PE Loader functionality for backward compatibility.
> -    //
> -    Status = CoreInstallProtocolInterface (
> -               &mLoadPe32PrivateData.Handle,
> -               &gEfiLoadPeImageProtocolGuid,
> -               EFI_NATIVE_INTERFACE,
> -               &mLoadPe32PrivateData.Pe32Image
> -               );
> -  }
> -
>    ProtectUefiImage (&Image->Info, Image->LoadedImageDevicePath);
> 
>    return Status;
>  }
> 
> @@ -1564,96 +1543,10 @@ CoreLoadImage (
>    PERF_LOAD_IMAGE_END (Handle);
> 
>    return Status;
>  }
> 
> -
> -
> -/**
> -  Loads an EFI image into memory and returns a handle to the image with
> extended parameters.
> -
> -  @param  This                    Calling context
> -  @param  ParentImageHandle       The caller's image handle.
> -  @param  FilePath                The specific file path from which the image is
> -                                  loaded.
> -  @param  SourceBuffer            If not NULL, a pointer to the memory location
> -                                  containing a copy of the image to be loaded.
> -  @param  SourceSize              The size in bytes of SourceBuffer.
> -  @param  DstBuffer               The buffer to store the image.
> -  @param  NumberOfPages           For input, specifies the space size of the
> -                                  image by caller if not NULL. For output,
> -                                  specifies the actual space size needed.
> -  @param  ImageHandle             Image handle for output.
> -  @param  EntryPoint              Image entry point for output.
> -  @param  Attribute               The bit mask of attributes to set for the load
> -                                  PE image.
> -
> -  @retval EFI_SUCCESS             The image was loaded into memory.
> -  @retval EFI_NOT_FOUND           The FilePath was not found.
> -  @retval EFI_INVALID_PARAMETER   One of the parameters has an invalid
> value.
> -  @retval EFI_UNSUPPORTED         The image type is not supported, or the
> device
> -                                  path cannot be parsed to locate the proper
> -                                  protocol for loading the file.
> -  @retval EFI_OUT_OF_RESOURCES    Image was not loaded due to insufficient
> -                                  resources.
> -  @retval EFI_LOAD_ERROR          Image was not loaded because the image
> format was corrupt or not
> -                                  understood.
> -  @retval EFI_DEVICE_ERROR        Image was not loaded because the device
> returned a read error.
> -  @retval EFI_ACCESS_DENIED       Image was not loaded because the platform
> policy prohibits the
> -                                  image from being loaded. NULL is returned in
> *ImageHandle.
> -  @retval EFI_SECURITY_VIOLATION  Image was loaded and an ImageHandle
> was created with a
> -                                  valid EFI_LOADED_IMAGE_PROTOCOL. However, the
> current
> -                                  platform policy specifies that the image should not be
> started.
> -
> -**/
> -EFI_STATUS
> -EFIAPI
> -CoreLoadImageEx (
> -  IN  EFI_PE32_IMAGE_PROTOCOL          *This,
> -  IN  EFI_HANDLE                       ParentImageHandle,
> -  IN  EFI_DEVICE_PATH_PROTOCOL         *FilePath,
> -  IN  VOID                             *SourceBuffer       OPTIONAL,
> -  IN  UINTN                            SourceSize,
> -  IN  EFI_PHYSICAL_ADDRESS             DstBuffer           OPTIONAL,
> -  OUT UINTN                            *NumberOfPages      OPTIONAL,
> -  OUT EFI_HANDLE                       *ImageHandle,
> -  OUT EFI_PHYSICAL_ADDRESS             *EntryPoint         OPTIONAL,
> -  IN  UINT32                           Attribute
> -  )
> -{
> -  EFI_STATUS    Status;
> -  EFI_HANDLE    Handle;
> -
> -  PERF_LOAD_IMAGE_BEGIN (NULL);
> -
> -  Status = CoreLoadImageCommon (
> -           TRUE,
> -           ParentImageHandle,
> -           FilePath,
> -           SourceBuffer,
> -           SourceSize,
> -           DstBuffer,
> -           NumberOfPages,
> -           ImageHandle,
> -           EntryPoint,
> -           Attribute
> -           );
> -
> -  Handle = NULL;
> -  if (!EFI_ERROR (Status)) {
> -    //
> -    // ImageHandle will be valid only Status is success.
> -    //
> -    Handle = *ImageHandle;
> -  }
> -
> -  PERF_LOAD_IMAGE_END (Handle);
> -
> -  return Status;
> -}
> -
> -
>  /**
>    Transfer control to a loaded image's entry point.
> 
>    @param  ImageHandle             Handle of image to be started.
>    @param  ExitDataSize            Pointer of the size to ExitData
> @@ -2010,28 +1903,5 @@ CoreUnloadImage (
>    }
> 
>  Done:
>    return Status;
>  }
> -
> -
> -
> -/**
> -  Unload the specified image.
> -
> -  @param  This                    Indicates the calling context.
> -  @param  ImageHandle             The specified image handle.
> -
> -  @retval EFI_INVALID_PARAMETER   Image handle is NULL.
> -  @retval EFI_UNSUPPORTED         Attempt to unload an unsupported image.
> -  @retval EFI_SUCCESS             Image successfully unloaded.
> -
> -**/
> -EFI_STATUS
> -EFIAPI
> -CoreUnloadImageEx (
> -  IN EFI_PE32_IMAGE_PROTOCOL  *This,
> -  IN EFI_HANDLE                         ImageHandle
> -  )
> -{
> -  return CoreUnloadImage (ImageHandle);
> -}
> diff --git a/MdeModulePkg/Core/Dxe/Image/Image.h
> b/MdeModulePkg/Core/Dxe/Image/Image.h
> index 6020a27371..e9c44ab2a7 100644
> --- a/MdeModulePkg/Core/Dxe/Image/Image.h
> +++ b/MdeModulePkg/Core/Dxe/Image/Image.h
> @@ -1,30 +1,17 @@
>  /** @file
>    Data structure and functions to load and unload PeImage.
> 
> -Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
>  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>  **/
> 
> 
>  #ifndef _IMAGE_H_
>  #define _IMAGE_H_
> 
> -#define LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE
> SIGNATURE_32('l','p','e','i')
> -
> -typedef struct {
> -  UINTN                       Signature;
> -  /// Image handle
> -  EFI_HANDLE                  Handle;
> -  EFI_PE32_IMAGE_PROTOCOL     Pe32Image;
> -} LOAD_PE32_IMAGE_PRIVATE_DATA;
> -
> -#define LOAD_PE32_IMAGE_PRIVATE_DATA_FROM_THIS(a) \
> -          CR(a, LOAD_PE32_IMAGE_PRIVATE_DATA, Pe32Image,
> LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE)
> -
> -
>  //
>  // Private Data Types
>  //
>  #define IMAGE_FILE_HANDLE_SIGNATURE       SIGNATURE_32('i','m','g','f')
>  typedef struct {
> @@ -32,76 +19,6 @@ typedef struct {
>    BOOLEAN             FreeBuffer;
>    VOID                *Source;
>    UINTN               SourceSize;
>  } IMAGE_FILE_HANDLE;
> 
> -/**
> -  Loads an EFI image into memory and returns a handle to the image with
> extended parameters.
> -
> -  @param  This                    Calling context
> -  @param  ParentImageHandle       The caller's image handle.
> -  @param  FilePath                The specific file path from which the image is
> -                                  loaded.
> -  @param  SourceBuffer            If not NULL, a pointer to the memory location
> -                                  containing a copy of the image to be loaded.
> -  @param  SourceSize              The size in bytes of SourceBuffer.
> -  @param  DstBuffer               The buffer to store the image.
> -  @param  NumberOfPages           For input, specifies the space size of the
> -                                  image by caller if not NULL. For output,
> -                                  specifies the actual space size needed.
> -  @param  ImageHandle             Image handle for output.
> -  @param  EntryPoint              Image entry point for output.
> -  @param  Attribute               The bit mask of attributes to set for the load
> -                                  PE image.
> -
> -  @retval EFI_SUCCESS             The image was loaded into memory.
> -  @retval EFI_NOT_FOUND           The FilePath was not found.
> -  @retval EFI_INVALID_PARAMETER   One of the parameters has an invalid
> value.
> -  @retval EFI_UNSUPPORTED         The image type is not supported, or the
> device
> -                                  path cannot be parsed to locate the proper
> -                                  protocol for loading the file.
> -  @retval EFI_OUT_OF_RESOURCES    Image was not loaded due to insufficient
> -                                  resources.
> -  @retval EFI_LOAD_ERROR          Image was not loaded because the image
> format was corrupt or not
> -                                  understood.
> -  @retval EFI_DEVICE_ERROR        Image was not loaded because the device
> returned a read error.
> -  @retval EFI_ACCESS_DENIED       Image was not loaded because the platform
> policy prohibits the
> -                                  image from being loaded. NULL is returned in
> *ImageHandle.
> -  @retval EFI_SECURITY_VIOLATION  Image was loaded and an ImageHandle
> was created with a
> -                                  valid EFI_LOADED_IMAGE_PROTOCOL. However, the
> current
> -                                  platform policy specifies that the image should not be
> started.
> -
> -**/
> -EFI_STATUS
> -EFIAPI
> -CoreLoadImageEx (
> -  IN  EFI_PE32_IMAGE_PROTOCOL          *This,
> -  IN  EFI_HANDLE                       ParentImageHandle,
> -  IN  EFI_DEVICE_PATH_PROTOCOL         *FilePath,
> -  IN  VOID                             *SourceBuffer       OPTIONAL,
> -  IN  UINTN                            SourceSize,
> -  IN  EFI_PHYSICAL_ADDRESS             DstBuffer           OPTIONAL,
> -  OUT UINTN                            *NumberOfPages      OPTIONAL,
> -  OUT EFI_HANDLE                       *ImageHandle,
> -  OUT EFI_PHYSICAL_ADDRESS             *EntryPoint         OPTIONAL,
> -  IN  UINT32                           Attribute
> -  );
> -
> -
> -/**
> -  Unload the specified image.
> -
> -  @param  This                    Indicates the calling context.
> -  @param  ImageHandle             The specified image handle.
> -
> -  @retval EFI_INVALID_PARAMETER   Image handle is NULL.
> -  @retval EFI_UNSUPPORTED         Attempt to unload an unsupported image.
> -  @retval EFI_SUCCESS             Image successfully unloaded.
> -
> -**/
> -EFI_STATUS
> -EFIAPI
> -CoreUnloadImageEx (
> -  IN EFI_PE32_IMAGE_PROTOCOL  *This,
> -  IN EFI_HANDLE                         ImageHandle
> -  );
>  #endif
> diff --git a/MdeModulePkg/Core/Pei/FwVol/FwVol.c
> b/MdeModulePkg/Core/Pei/FwVol/FwVol.c
> index f817ba04e2..709db00694 100644
> --- a/MdeModulePkg/Core/Pei/FwVol/FwVol.c
> +++ b/MdeModulePkg/Core/Pei/FwVol/FwVol.c
> @@ -1092,19 +1092,10 @@ PeiFfsFindNextFile (
>  {
>    PEI_CORE_FV_HANDLE      *CoreFvHandle;
> 
>    CoreFvHandle = FvHandleToCoreHandle (FvHandle);
> 
> -  //
> -  // To make backward compatiblity, if can not find corresponding the handle
> of FV
> -  // then treat FV as build-in FFS2/FFS3 format and memory mapped FV that FV
> handle is pointed
> -  // to the address of first byte of FV.
> -  //
> -  if ((CoreFvHandle == NULL) && FeaturePcdGet
> (PcdFrameworkCompatibilitySupport)) {
> -    return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);
> -  }
> -
>    if ((CoreFvHandle == NULL) || CoreFvHandle->FvPpi == NULL) {
>      return EFI_NOT_FOUND;
>    }
> 
>    return CoreFvHandle->FvPpi->FindFileByType (CoreFvHandle->FvPpi,
> SearchType, FvHandle, FileHandle);
> @@ -2109,66 +2100,10 @@ PEI_CORE_FV_HANDLE *
>  FindNextCoreFvHandle (
>    IN PEI_CORE_INSTANCE  *Private,
>    IN UINTN              Instance
>    )
>  {
> -  UINTN                    Index;
> -  BOOLEAN                  Match;
> -  EFI_HOB_FIRMWARE_VOLUME  *FvHob;
> -
> -  //
> -  // Handle Framework FvHob and Install FvInfo Ppi for it.
> -  //
> -  if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {
> -    //
> -    // Loop to search the wanted FirmwareVolume which supports FFS
> -    //
> -    FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetFirstHob (EFI_HOB_TYPE_FV);
> -    while (FvHob != NULL) {
> -      //
> -      // Search whether FvHob has been installed into PeiCore's FV database.
> -      // If found, no need install new FvInfoPpi for it.
> -      //
> -      for (Index = 0, Match = FALSE; Index < Private->FvCount; Index++) {
> -        if ((EFI_PEI_FV_HANDLE)(UINTN)FvHob->BaseAddress == Private-
> >Fv[Index].FvHeader) {
> -          Match = TRUE;
> -          break;
> -        }
> -      }
> -
> -      //
> -      // Search whether FvHob has been cached into PeiCore's Unknown FV
> database.
> -      // If found, no need install new FvInfoPpi for it.
> -      //
> -      if (!Match) {
> -        for (Index = 0; Index < Private->UnknownFvInfoCount; Index ++) {
> -          if ((UINTN)FvHob->BaseAddress == (UINTN)Private-
> >UnknownFvInfo[Index].FvInfo) {
> -            Match = TRUE;
> -            break;
> -          }
> -        }
> -      }
> -
> -      //
> -      // If the Fv in FvHob has not been installed into PeiCore's FV database and
> has
> -      // not been cached into PeiCore's Unknown FV database, install a new
> FvInfoPpi
> -      // for it then PeiCore will dispatch it in callback of FvInfoPpi.
> -      //
> -      if (!Match) {
> -        PeiServicesInstallFvInfoPpi (
> -          &(((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)FvHob->BaseAddress)-
> >FileSystemGuid),
> -          (VOID *)(UINTN)FvHob->BaseAddress,
> -          (UINT32)FvHob->Length,
> -          NULL,
> -          NULL
> -          );
> -      }
> -
> -      FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetNextHob
> (EFI_HOB_TYPE_FV, (VOID *)((UINTN)FvHob + FvHob->Header.HobLength));
> -    }
> -  }
> -
>    if (Instance >= Private->FvCount) {
>      return NULL;
>    }
> 
>    return &Private->Fv[Instance];
> diff --git a/MdeModulePkg/Core/Pei/PeiMain.inf
> b/MdeModulePkg/Core/Pei/PeiMain.inf
> index c8a6d5b80b..7c482dacfc 100644
> --- a/MdeModulePkg/Core/Pei/PeiMain.inf
> +++ b/MdeModulePkg/Core/Pei/PeiMain.inf
> @@ -100,11 +100,10 @@
>    gEfiPeiCoreFvLocationPpiGuid                  ## SOMETIMES_CONSUMES
> 
>  [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreMaxPeiStackSize
> ## CONSUMES
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreImageLoaderSearchTeSectionFi
> rst  ## CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFrameworkCompatibilitySupport
> ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdLoadFixAddressPeiCodePageNumber
> ## SOMETIMES_CONSUMES
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdLoadFixAddressBootTimeCodePageNu
> mber    ## SOMETIMES_CONSUMES
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdLoadFixAddressRuntimeCodePageNum
> ber     ## SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdLoadModuleAtFixAddressEnable
> ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdShadowPeimOnS3Boot
> ## CONSUMES
> --
> 2.18.0.windows.1
> 
> 
> 


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