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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Reviewed-by: Chasel Chiu > -----Original Message----- > From: Oram, Isaac W > Sent: Thursday, September 16, 2021 3:05 AM > To: devel@edk2.groups.io > Cc: Desimone, Nathaniel L ; Chiu, Chasel > > Subject: [edk2-devel][edk2-platforms][PATCH V1 1/2] > WhitleySiliconPkg/FspWrapperPlatformLib: Update for large variables >=20 > Update to utilize the larger variables. >=20 > Cc: Nate DeSimone > Cc: Chasel Chiu > Signed-off-by: Isaac Oram > --- >=20 > Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrapperP= lat > formLib.c | 83 +++++++------------- >=20 > Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrapperP= lat > formLib.inf | 12 +-- > 2 files changed, 35 insertions(+), 60 deletions(-) >=20 > diff --git > a/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrappe= rPl > atformLib.c > b/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrappe= rPl > atformLib.c > index 453e409523..a6196a78b0 100644 > --- > a/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrappe= rPl > atformLib.c > +++ b/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspW > +++ rapperPlatformLib.c > @@ -10,76 +10,52 @@ > #include > #include > #include > -#include > -#include > -#include > #include > -#include > #include > +#include > + > +#include > +#include > +#include >=20 > VOID * > -GetPlatformNvs( > +GetFspNvsBuffer ( > + VOID > ) > { > EFI_STATUS Status; > - EFI_PEI_READ_ONLY_VARIABLE2_PPI *PeiVariable; > - VOID *DataBuffer; > - UINT32 DataBufferSize; > - UINTN VarAttrib; > - CHAR16 EfiMemoryConfigVariable[] =3D L"MemoryConfig"; > + UINTN FspNvsBufferSize; > + VOID *FspNvsBufferPtr; >=20 > - DEBUG ((EFI_D_INFO, "Start PlatformGetNvs\n")); > - > - Status =3D PeiServicesLocatePpi ( > - &gEfiPeiReadOnlyVariable2PpiGuid, > - 0, > - NULL, > - (VOID **) &PeiVariable > - ); > - if (EFI_ERROR (Status)) { > - DEBUG ((EFI_D_ERROR, "PlatformGetNvs: PeiServicesLocatePpi not > found\n")); > + FspNvsBufferPtr =3D NULL; > + FspNvsBufferSize =3D 0; > + Status =3D GetLargeVariable (L"FspNvsBuffer", > + &gFspNonVolatileStorageHobGuid, &FspNvsBufferSize, NULL); if (Status = =3D=3D > EFI_BUFFER_TOO_SMALL) { > + DEBUG ((DEBUG_INFO, "FspNvsBuffer Size =3D %d\n", FspNvsBufferSize))= ; > + FspNvsBufferPtr =3D AllocateZeroPool (FspNvsBufferSize); > + if (FspNvsBufferPtr =3D=3D NULL) { > + DEBUG ((DEBUG_ERROR, "Error: Cannot create FspNvsBuffer, out of > + memory!\n")); > ASSERT (FALSE); > return NULL; > } > - > - VarAttrib =3D EFI_VARIABLE_NON_VOLATILE | > EFI_VARIABLE_BOOTSERVICE_ACCESS; > - DataBufferSize =3D 0; > - DataBuffer =3D NULL; > - > - Status =3D PeiVariable->GetVariable ( > - PeiVariable, > - EfiMemoryConfigVariable, > - &gFspNonVolatileStorageHobGuid, > - (UINT32*)&VarAttrib, > - &DataBufferSize, > - NULL > - ); > - if (Status =3D=3D EFI_NOT_FOUND) { > - DEBUG ((EFI_D_ERROR, "PlatformGetNvs: gEfiMemoryConfigDataGuid > Variable not found\n")); > + Status =3D GetLargeVariable (L"FspNvsBuffer", > &gFspNonVolatileStorageHobGuid, &FspNvsBufferSize, FspNvsBufferPtr); > + if (EFI_ERROR (Status)) { > + DEBUG ((DEBUG_ERROR, "Error: Unable to read FspNvsBuffer UEFI vari= able > Status: %r\n", Status)); > + ASSERT_EFI_ERROR (Status); > return NULL; > } >=20 > - if (Status !=3D EFI_BUFFER_TOO_SMALL) { > - DEBUG ((EFI_D_ERROR, "PlatformGetNvs: gEfiMemoryConfigDataGuid Get > Error %r\n", Status)); > - ASSERT (FALSE); > + return FspNvsBufferPtr; > + > + } else if (Status =3D=3D EFI_NOT_FOUND) { > + DEBUG ((DEBUG_INFO, "Cannot create FSP NVS Buffer, UEFI variable > + does not exist (this is likely a first boot)\n")); } else { > + DEBUG ((DEBUG_ERROR, "Error: Unable to read FspNvsBuffer UEFI variab= le > Status: %r\n", Status)); > + ASSERT_EFI_ERROR (Status); > } >=20 > - DataBuffer =3D AllocateZeroPool(DataBufferSize); > - Status =3D PeiVariable->GetVariable ( > - PeiVariable, > - EfiMemoryConfigVariable, > - &gFspNonVolatileStorageHobGuid, > - (UINT32*)&VarAttrib, > - &DataBufferSize, > - DataBuffer > - ); > - if (EFI_ERROR(Status)) { > - DEBUG ((EFI_D_ERROR, "PlatformGetNvs: gEfiMemoryConfigDataGuid > Variable Error %r\n", Status)); > return NULL; > } > - DEBUG ((EFI_D_INFO, "PlatformGetNvs: GetNVS %x %x\n", DataBuffer, > DataBufferSize)); > - return DataBuffer; > -} >=20 > VOID > EFIAPI > @@ -164,11 +140,10 @@ UpdateFspmUpdData ( > FspmUpd->FspmConfig.AllLanesSizeOfTable =3D Upi->AllLanesSizeOfTable; > FspmUpd->FspmConfig.PerLaneSizeOfTable =3D Upi->PerLaneSizeOfTable; > FspmUpd->FspmConfig.WaitTimeForPSBP =3D Upi->WaitTimeForPSBP; > - FspmUpd->FspmConfig.IsKtiNvramDataReady =3D Upi->IsKtiNvramDataReady; > FspmUpd->FspmConfig.WaSerializationEn =3D Upi->WaSerializationEn; > FspmUpd->FspmConfig.KtiInEnableMktme =3D Upi->KtiInEnableMktme; > FspmUpd->FspmConfig.BoardId =3D PlatformInfo->BoardId; > - FspmUpd->FspmArchUpd.NvsBufferPtr =3D GetPlatformNvs(); > + FspmUpd->FspmArchUpd.NvsBufferPtr =3D GetFspNvsBuffer (); > } >=20 > /** > diff --git > a/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrappe= rPl > atformLib.inf > b/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrappe= rPl > atformLib.inf > index 625337c453..3e80ea670c 100644 > --- > a/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspWrappe= rPl > atformLib.inf > +++ b/Silicon/Intel/WhitleySiliconPkg/Library/FspWrapperPlatformLib/FspW > +++ rapperPlatformLib.inf > @@ -35,7 +35,6 @@ > [Sources] > FspWrapperPlatformLib.c >=20 > - >=20 > ################################################################# > ############### > # > # Package Dependency Section - list of Package files that are required f= or @@ - > 47,11 +46,11 @@ > MdePkg/MdePkg.dec > IntelFsp2Pkg/IntelFsp2Pkg.dec > IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec > - WhitleySiliconPkg/WhitleySiliconPkg.dec > + MinPlatformPkg/MinPlatformPkg.dec > WhitleySiliconPkg/SiliconPkg.dec > WhitleySiliconPkg/CpRcPkg.dec > - WhitleyOpenBoardPkg/PlatformPkg.dec > - CedarIslandFspBinPkg/CedarIslandFspBinPkg.dec > + WhitleyOpenBoardPkg/PlatformPkg.dec # For LargeVariableReadLib > + WhitleyFspBinPkg/WhitleyFspBinPkg.dec >=20 > [Ppis] > gUpiSiPolicyPpiGuid > @@ -63,9 +62,10 @@ >=20 > [LibraryClasses] > PeiServicesLib > + LargeVariableReadLib >=20 > [Pcd] > gIntelFsp2PkgTokenSpaceGuid.PcdTemporaryRamBase ## CONSUMES > - gIntelFsp2PkgTokenSpaceGuid.PcdTemporaryRamSize > - gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize > + gIntelFsp2PkgTokenSpaceGuid.PcdTemporaryRamSize ## CONSUMES > + gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize ## CONSUMES > gEfiCpRcPkgTokenSpaceGuid.PcdPeiTemporaryRamRcHeapSize ## > CONSUMES > -- > 2.27.0.windows.1