Laszlo kindly implemented support for correctly sequencing the load order of the various DXE drivers involved in persistent variable support so that we can ensure that an empty or corrupted varstore in NOR flash is reinitialized before the variable runtime driver attempts to access it. So incorporate this into the SynQuacar platforms.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <[email protected]> --- Platform/Socionext/DeveloperBox/DeveloperBox.dsc | 1 + Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc | 1 + Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/Fip006Dxe.inf | 6 ++---- Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashFvbDxe.c | 15 +++++++++++++++ 4 files changed, 19 insertions(+), 4 deletions(-) diff --git a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc index cacb3d9e4852..75816ad94ff3 100644 --- a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc +++ b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc @@ -521,6 +521,7 @@ [Components.common] MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf { <LibraryClasses> + NULL|EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf AuthVariableLib|MdeModulePkg/Library/AuthVariableLibNull/AuthVariableLibNull.inf NULL|MdeModulePkg/Library/VarCheckUefiLib/VarCheckUefiLib.inf TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf diff --git a/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc b/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc index 2d68aed76ca2..aa34fb075d77 100644 --- a/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc +++ b/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc @@ -493,6 +493,7 @@ [Components.common] MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf { <LibraryClasses> + NULL|EmbeddedPkg/Library/NvVarStoreFormattedLib/NvVarStoreFormattedLib.inf AuthVariableLib|MdeModulePkg/Library/AuthVariableLibNull/AuthVariableLibNull.inf NULL|MdeModulePkg/Library/VarCheckUefiLib/VarCheckUefiLib.inf TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf diff --git a/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/Fip006Dxe.inf b/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/Fip006Dxe.inf index 62f81cfe33cd..bddb052c2dcc 100644 --- a/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/Fip006Dxe.inf +++ b/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/Fip006Dxe.inf @@ -53,6 +53,7 @@ [LibraryClasses] UefiRuntimeServicesTableLib [Guids] + gEdkiiNvVarStoreFormattedGuid gEfiAuthenticatedVariableGuid gEfiEventVirtualAddressChangeGuid gEfiSystemNvDataFvGuid @@ -75,7 +76,4 @@ [FixedPcd] gFip006DxeTokenSpaceGuid.PcdFip006DxeMemBaseAddress [Depex] - # - # NorFlashDxe must be loaded before VariableRuntimeDxe in case empty flash needs populating with default values - # - BEFORE gVariableRuntimeDxeFileGuid + gEfiCpuArchProtocolGuid diff --git a/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashFvbDxe.c b/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashFvbDxe.c index acc9490b9a5f..ca3b1b5c34f8 100644 --- a/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashFvbDxe.c +++ b/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashFvbDxe.c @@ -813,6 +813,21 @@ NorFlashFvbInitialize ( } } + // + // The driver implementing the variable read service can now be dispatched; + // the varstore headers are in place. + // + Status = gBS->InstallProtocolInterface (&gImageHandle, + &gEdkiiNvVarStoreFormattedGuid, + EFI_NATIVE_INTERFACE, + NULL); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, + "%a: Failed to install gEdkiiNvVarStoreFormattedGuid\n", + __FUNCTION__)); + return Status; + } + // // Declare the Non-Volatile storage as EFI_MEMORY_RUNTIME // -- 2.17.0 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

