Star Zeng 3e02ebb2bb MdeModulePkg: Variable drivers robustly handle crashes during Reclaim(). ... PEI variable implementation checks only the variable header signature for validity. This does not seem robust if system crash occurred during previous Reclaim() operation. If the crash occurred while FTW was rewriting the variable FV, the signature could be valid even though the rest of the FV isn't valid. Solution: Add a FaultTolerantWritePei driver to check and provide the FTW last write status, then PEI variable and early phase(before FTW protocol ready) of DXE variable can check the status and determine if all or partial variable data has been backed up in spare block, and then use the backed up data. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14454 6f19259b-4bc3-4df7-8a09-765794883524		2013-07-03 09:08:40 +00:00
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Guid	MdeModulePkg: Variable drivers robustly handle crashes during Reclaim().	2013-07-03 09:08:40 +00:00
Library	Add new HiiLib API HiiCreateGotoExOpCode() to create UEFI231 IFR REF, REF2, REF3, and REF4 opcode.	2013-02-27 02:37:27 +00:00
Ppi	MdeModulePkg/Usb: Boost the r/w performance by reducing stall time on polling cmd execution status	2013-06-24 03:03:55 +00:00
Protocol	Add EDKII_VARIABLE_LOCK_PROTOCOL and the implementation in MdeModulePkg variable drivers.	2013-05-17 03:49:35 +00:00