mirror of https://github.com/acidanthera/audk.git
As variable area is not reliable in recovery path, then we should not produce ReadonlyVariable2&ReadonlyVariable ppi at the point. This way causes other Pei module wanted to access to variable will fail
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7185 6f19259b-4bc3-4df7-8a09-765794883524
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@ -50,8 +50,9 @@ EFI_GUID mEfiVariableIndexTableGuid = EFI_VARIABLE_INDEX_TABLE_GUID;
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@param FileHandle Handle of the file being invoked.
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@param PeiServices Describes the list of possible PEI Services.
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@return Status - EFI_SUCCESS if the interface could be successfully
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installed
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@return EFI_SUCCESS If the interface could be successfully installed.
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@return EFI_UNSUPPORTED If current boot path is in recovery mode, then does not
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install this interface.
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**/
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EFI_STATUS
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@ -61,9 +62,21 @@ PeimInitializeVariableServices (
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_BOOT_MODE BootMode;
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EFI_STATUS Status;
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//
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// Publish the variable capability to other modules
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// Check if this is recovery boot path. If no, publish the variable access capability
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// to other modules. If yes, the content of variable area is not reliable. Therefore,
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// in this case we should not provide variable service to other pei modules.
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//
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Status = (*PeiServices)->GetBootMode (PeiServices, &BootMode);
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ASSERT_EFI_ERROR (Status);
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if (BootMode == BOOT_IN_RECOVERY_MODE) {
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return EFI_UNSUPPORTED;
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}
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return (**PeiServices).InstallPpi (PeiServices, &mPpiListVariable[0]);
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}
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