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Update the ChangeLog.txt to record the possible non-compatible changes due to PI enalbing in PEI core. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3928 6f19259b-4bc3-4df7-8a09-765794883524
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qwang12 2007-09-26 09:25:05 +00:00
parent 5f568053f5
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MdeModulePkg/ChangeLog.txt
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@ -75,6 +75,49 @@ EDK_3871: Non-Compatible: klu2
PeiMain module.
2) The SecCore module should provide parameters for new entry point defined in
MdePkg\Include\Library\PeiCoreEntryPoint.h
==========================================================================================
EDK_3922: Non-Compatible: qwang12, klu2
Class_PIEnable[2]: Update PEI core to only consume EFI_PEI_FIRMWARE_VOLUME_INFO_PPI
Code Change :
1) Update PEI core to consume EFI_PEI_FIRMWARE_VOLUME_INFO_PPI to get the location of new FVs other than BFV
reported by PEIMs .
Possible Impacts:
1) Platform code that is going to inform PEI core about the new FVs other than BFV should install
EFI_PEI_FIRMWARE_VOLUME_INFO_PPI. A library function named PeiPiLibBuildPiFvInfoPpi() defined in
MdePkg\Include\Library\PeiPiLib.h can be used to install the PPI.
There are two notes worth mentioning:
1) Platform PEIMs should report at least FVs containing DXE_CORE and all other PEIM to PEI Core if they
are not in the BFV.
2) PEI core will dispatch PEIMs in the FV reported by PeiPiLibBuildPiFvInfoPpi() and invoke BuildFvHob () to build the
FV HOB for this FV (see Section 4.8.1.2 of Vol 1 named Multiple Firmware Volume Support for details).
If PEIM only want to inform DXE core about the existance of the new FV, it should call BuildFvHob instead.
Class_PIEnable[3]: Update PEI core to support RegisterForShadow feature introduced by PI spec
Code Change :
1) DXEIPL no longer produce EFI_PEI_FV_FILE_LOADER_PPI defined in Framework PEI CIS.
Possible Impacts:
1)All PEIMs that need to shadow itself into memory and rerun the entry point should be updated to call RegisterForShadow
(PeiServicesLibRegisterForShadow () is a helper function).
2)The depex of PEIMs that including EFI_PEI_FV_FILE_LOADER_PPI (or gEfiPeiFvFileLoaderPpiGuid) should be removed.
Class_PIEnable[4]: Update PEI core to produce other new features defined in PI spec
Code Change :
1) Add the following services: FfsGetFileInfo, FfsFindFileByName and FfsGetVolumeInfo
Possible Impacts:
1) Platform code is recommended to make use of these new PI features. The functions in MdePkg/Include/Library/PeiServicesLib.h are
recommended as PeiServices is saved for every PEI Services API invokation.
==========================================================================================
EDK_3866: Compatible: qhuang8