mirror of https://github.com/acidanthera/audk.git
180 lines
9.2 KiB
Plaintext
180 lines
9.2 KiB
Plaintext
##########################################################################################
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!!!!!!!!!!!!!!!!! Notes for this ChangeLog.txt !!!!!!!!!!!!!!!!!
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This log file is used to record two kinds of important information:
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a) "Non-Compatible Changes": all non-compatible changes should be recorded. These info
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will help the package user to merge this package; and some non-compatible changes
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can also be added into release notes as news features when we release this package.
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Normally Non-Compatible Changes contains the following types:
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1) Package's external services were changed/updated
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2) Package's common .h file is renamed, deleted, or the file path is changed.
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3) The definition of package's common data structure is changed
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...
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b) "Important Compatible Changes": some important compatible changes can aslo be recorded
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in this file, and we can add these updating into release notes when we release this
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package.
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Non-Compatible and Compatible example format:
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==========================================================================================
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EDK_0010: Non-Compatible: owner
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Class_HFile: PPI A of MdePkg has been removed.
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Code Change :
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1) Removed the .h file: MdePkg\Include\Ppi\A.h
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Possible Impacts:
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1) All modules that used this PPI A should be updated.
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==========================================================================================
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EDK_0000: Compatible: owner
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Class_BuildTool: with the EDK_0000 build.exe, the build performance is enhanced great.
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Code Change :
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1) BaseTools\Bin\Win32\build.exe
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!!!!!!!!!!!!!!!!!! End of Notes !!!!!!!!!!!!!!!!!!
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##########################################################################################
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==========================================================================================
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EDK_3983: Non-Compatible: lgao4
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Class_Library: Remove CustomDecompressLib library class.
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Code Change:
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1) Remove the definition MdePkg\Include\Library\CustomDecompressLib.h and
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library instance MdePkg\Library\BaseCustomDecompressLibNull for CustomDecompressLib.
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Possible Impacts:
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1) Drivers don't use this library class any longer. But they can use new ExtractGuidedSectionLib
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library class to extract the compressed guided section data.
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2) The instance of CustomDecompressLib should be changed to register the decode function
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into ExtractGuidedSectionHandler list, and not to produce CustomDecompressLib class.
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3) Platform.dsc file doesn't use this library instance any longer.
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==========================================================================================
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EDK_3980: Non-Compatible: lgao4
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Class_Library: Add ExtractGuidedSectionLib library class to replace CustomDecompressLib.
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Code Change:
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1) Add the definition MdePkg\Include\Library\ExtractGuidedSectionLib.h and
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library instance MdePkg\Library\PeiDxeExtractGuidedSectionLib for new ExtractGuidedSectionLib.
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2) Add gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler in MdePkg, which is used by
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PeiDxeExtractGuidedSectionLib library instance.
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3) Update DxeIpl and DxeMain modules of MdeModulePkg to use new ExtractGuidedSectionLib library class.
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4) Update BaseUefiTianoCustomDecompressLib of IntelFrameworkModulePkg not to produce CustomDecompressLib,
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and to register TianoDecomress handler into ExtractGuidedSectionHandler list.
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Possible Impacts:
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1) Platform.dsc file should update library instance and PCD if it contains DxeIpl and DxeMain modules.
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It should use MdePkg\Library\PeiDxeExtractGuidedSectionLib library instance and
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set gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler PCD value.
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==========================================================================================
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EDK_3871: Non-Compatible: klu2
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Class_PIEnable[1]: Use new entry point for PeiCore defined in PI specification.
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Code Change:
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1) Remove the definition and library instance for OldPeiCoreEntryPoinLib
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Possible Impacts:
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1) Platform should select MdePkg/Library/PeiCoreEntryPoint/PeiCoreEntryPoint.inf for
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PeiMain module.
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2) The SecCore module should provide parameters for new entry point defined in
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MdePkg\Include\Library\PeiCoreEntryPoint.h
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EDK_3922: Non-Compatible: qwang12, klu2
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Class_PIEnable[0]: Update PeiServicesLib based on new features defined in PI spec.
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Code Change :
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1) Add the following services:PeiServicesRegisterForShadow, PeiServicesFfsGetFileInfo, PeiServicesFfsFindFileByName and PeiServicesFfsGetVolumeInfo
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2) The paramter list of these functiuon has also been updated to replace EFI_FIRMWARE_VOLUME_HEADER to EFI_PEI_FV_HANDLE and EFI_FFS_FILE_HEADER
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to EFI_PEI_FILE_HANDLE.
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3) Add CONST to parameter of PeiServices EFI_PEI_SERVICES.EFI_PEI_RESET_SYSTEM
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Possible Impacts:
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1) Platform code should be updated to make use of these new PI features. The functions in MdePkg/Include/Library/PeiServicesLib.h are
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recommended as PeiServices is saved for every PEI Services API invokation.
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2) Now PEIM entry point is upadted to pass in PeiServices in type of (CONST EFI_PEI_SERVICS **). Platform code should be updated to
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add (EFI_PEI_SERVICS **) cast to PeiServices before passing it to the previously defined PPI interface which needs a (EFI_PEI_SERVICS **)
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type for PeiServices parameter.
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3) The newly defined PPI should not inlcude PeiSevices in the paramter list as PI spec has standard way to retrive PeiServices (check VOL 1
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Section 4.4 PEI Sevices Table Retrieval) for details. Beside, GetPeiServicesTablePointer() in MdePkg\Include\Library\PeiServicesTablePointerLib.h
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also provide convinient way to retrieve the pointer to Pei Service Table.
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EDK_4067: Non-Compatible: qwang12
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Class_PIEnable[1]: Add PeiPiLib library class and replace PiLib with DxePiLib library class.
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Code Change :
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1) Change MdePkg/Include/Library/PiLib.h to MdePkg/Include/Library/DxePiLib.h. DxePiLib is mainly used
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for modules in DXE phase. Add a DxePiLib.h library instance at MdePkg/Library/DxePiLib/DxePiLib.inf.
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2) Add MdePkg/Include/Library/PeiPiLib.h. PeiPiLib is mainly used by modules in PEI phase.
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Add a DxePiLib.h library instance at MdePkg/Library/PeiPiLib/PeiPiLib.inf.
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3) Rename API in PeiPiLib.h from PeiPiLibBuildPiFvInfoPpi to PiLibInstallFvInfoPpi.
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4) Rename APIs originally in PiLib.h with new names defined in DxePiLib.h:
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4.1) GetSectionFrom*Fv functions are changed to PiLibGetSectionFrom*Fv to reduce possibility of name collision.
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4.2) Remove API named ImageHandleToFvHandle and GetSectionFromFvFile
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Possible Impacts:
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1) Platform modules that reference PeiPiLibBuildPiFvInfoPpi and GetSectionFrom*Fv should reference the new
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names defined.
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2) Platform DSC file that specifying library instance for PiLib should be updated to add one line (a example
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is given below):
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[LibraryClasses.common.DXE_DRIVER]
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...
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DxePiLib|MdePkg/Library/DxePiLib/DxePiLib.inf
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...
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3) Platform DSC file including modules that make use of API from PeiPiLib.h should add the following line (a example
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is given below):
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[LibraryClasses.common.PEIM]
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...
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PeiPiLib|MdePkg/Library/PeiPiLib/PeiPiLib.inf
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...
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EDK_5835: Non-Compatible: qwang12
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Class General Definitions: NULL_HANDLE definition is removed from UefiBaseType.h. If any modules referencs NULL_HANDLE, they should be updated to use NULL.
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EDK_5869: Non-Compatible: qhuang8
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Class General Definitions: Update the macro ALIGN_VARIALBE to drop the second parameter.
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Code Change:
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The macro ALIGN_VARIABLE in base.h is changed to keep the first paramter
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Possible Impacts:
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Modules using this macro, it needs to adapt to new interface.
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EDK_5939: Non-Compatible: qwang12
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Library API moved frrom HiiLib to UefiLib.
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Code Change:
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Change HiiLibGetCurrentLanguage to GetCurrentLanguage and moved it from HiiLib to UefiLib.
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Possible Impacts:
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All module that reference HiiLibGetCurrentLanguage should be updated in the following step:
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0) Change HiiLibGetCurrentLanguage to GetCurrentLanguage.
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1) Add UefiLib to [LibraryClass] in INF if it is not included before.
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2) Remove HiiLib from [LibraryClass] if HiiLibGetCurrentLanguage is the only API from original HiiLib referenced by this module.
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3) Add UefiLib to [LibraryClasses.common.Module Type] for the affected module if UefiLib is not in the list.
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EDK_5989: Non-Compatible: qwang12
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Library API name changed:
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In IfrSupportLib,
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Rename BufToHexString to BufInReverseOrderToHexString
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Rename HexStringToBuf to HexStringToBufInReverseOrder
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Possible Impacts:
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All module that reference BufToHexString or HexStringToBuf should be updated in the following step:
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0) Change HiiLibGetCurrentLanguage to GetCurrentLanguage.
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1) Change BufToHexString to BufInReverseOrderToHexString
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2) Change HexStringToBuf to HexStringToBufInReverseOrder
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