[edk2-devel] [edk2-platforms: PATCH v3 6/9] TigerlakeOpenBoardPkg: Use same variable name for FspNvsHob.

[Nate DeSimone]

Reviewed-by: Nate DeSimone <nathaniel.l.desimone at intel.com>

> -----Original Message-----
> From: Chiu, Chasel <chasel.chiu at intel.com>
> Sent: Thursday, October 7, 2021 11:43 PM
> To: devel at edk2.groups.io
> Cc: Chiu, Chasel <chasel.chiu at intel.com>; Chaganty, Rangasai V
> <rangasai.v.chaganty at intel.com>; Desimone, Nathaniel L
> <nathaniel.l.desimone at intel.com>; Luo, Heng <heng.luo at intel.com>
> Subject: [edk2-platforms: PATCH v3 6/9] TigerlakeOpenBoardPkg: Use same
> variable name for FspNvsHob.
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3678
> 
> To simplify the implementation the variable Name/GUID has been changed
> to "FspNvsBuffer" and gFspNvsBufferVariableGuid regardless it stores the
> data from FSP_NON_VOLATILE_STORAGE_HOB2 or
> FSP_NON_VOLATILE_STORAGE_HOB.
> 
> Cc: Sai Chaganty <rangasai.v.chaganty at intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
> Cc: Heng Luo <heng.luo at intel.com>
> Signed-off-by: Chasel Chiu <chasel.chiu at intel.com>
> ---
> 
> Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyInit
> Lib/PeiFspPolicyInitLib.c   | 21 ++++++++++++++++++---
> 
> Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyInit
> Lib/PeiFspPolicyInitLib.inf |  1 +
>  Platform/Intel/TigerlakeOpenBoardPkg/TigerlakeURvp/OpenBoardPkg.dsc
> |  3 +++
>  3 files changed, 22 insertions(+), 3 deletions(-)
> 
> diff --git
> a/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyI
> nitLib/PeiFspPolicyInitLib.c
> b/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyI
> nitLib/PeiFspPolicyInitLib.c
> index fc523e93d1..938b74e5d8 100644
> ---
> a/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyI
> nitLib/PeiFspPolicyInitLib.c
> +++
> b/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPoli
> +++ cyInitLib/PeiFspPolicyInitLib.c
> @@ -9,7 +9,9 @@
>  #include <Library/FspWrapperApiLib.h> #include
> <Library/BaseMemoryLib.h> #include
> <Library/MemoryAllocationLib.h>+#include <Library/PeiLib.h> #include
> <Ppi/FspmArchConfigPpi.h>+#include <PolicyUpdateMacro.h>  VOID
> EFIAPI@@ -70,9 +72,11 @@ SiliconPolicyDonePreMem(
>  ) {   EFI_STATUS                   Status;+  UINTN                        FspNvsBufferSize;+
> VOID                         *FspNvsBufferPtr; #if
> FixedPcdGet8(PcdFspModeSelection) == 0-  FSPM_ARCH_CONFIG_PPI
> *FspmArchConfigPpi;-  EFI_PEI_PPI_DESCRIPTOR
> *FspmArchConfigPpiDesc;+  FSPM_ARCH_CONFIG_PPI
> *FspmArchConfigPpi;+  EFI_PEI_PPI_DESCRIPTOR
> *FspmArchConfigPpiDesc;    FspmArchConfigPpi =
> (FSPM_ARCH_CONFIG_PPI *) AllocateZeroPool (sizeof
> (FSPM_ARCH_CONFIG_PPI));   if (FspmArchConfigPpi == NULL) {@@ -80,7
> +84,6 @@ SiliconPolicyDonePreMem(
>      return EFI_OUT_OF_RESOURCES;   }   FspmArchConfigPpi->Revision            =
> 1;-  FspmArchConfigPpi->NvsBufferPtr        = NULL;   FspmArchConfigPpi-
> >BootLoaderTolumSize = 0;    FspmArchConfigPpiDesc =
> (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof
> (EFI_PEI_PPI_DESCRIPTOR));@@ -98,6 +101,18 @@
> SiliconPolicyDonePreMem(
>    ASSERT_EFI_ERROR (Status); #endif +  //+  // Initialize S3 Data variable
> (S3DataPtr). It may be used for warm and fast boot paths.+  //+
> FspNvsBufferPtr   = NULL;+  FspNvsBufferSize  = 0;+  Status =
> PeiGetLargeVariable (L"FspNvsBuffer", &gFspNvsBufferVariableGuid,
> &FspNvsBufferPtr, &FspNvsBufferSize);+  if (Status == EFI_SUCCESS) {+
> DEBUG ((DEBUG_INFO, "Get L\"FspNvsBuffer\" gFspNvsBufferVariableGuid
> - %r\n", Status));+    DEBUG ((DEBUG_INFO, "FspNvsBuffer Size - 0x%x\n",
> FspNvsBufferSize));+    UPDATE_POLICY (((FSPM_UPD *) FspmUpd)-
> >FspmArchUpd.NvsBufferPtr, FspmArchConfigPpi->NvsBufferPtr,
> FspNvsBufferPtr);+  }+   //   // Install Policy Ready PPI   // While installed, RC
> assumes the Policy is ready and finalized. So pleasediff --git
> a/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyI
> nitLib/PeiFspPolicyInitLib.inf
> b/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyI
> nitLib/PeiFspPolicyInitLib.inf
> index 708fbac08f..0236ae45ae 100644
> ---
> a/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPolicyI
> nitLib/PeiFspPolicyInitLib.inf
> +++
> b/Platform/Intel/TigerlakeOpenBoardPkg/FspWrapper/Library/PeiFspPoli
> +++ cyInitLib/PeiFspPolicyInitLib.inf
> @@ -181,3 +181,4 @@
>    gTianoLogoGuid                          ## CONSUMES   gCnviConfigGuid
> ## CONSUMES   gHdAudioPreMemConfigGuid                ## CONSUMES+
> gFspNvsBufferVariableGuid               ## CONSUMESdiff --git
> a/Platform/Intel/TigerlakeOpenBoardPkg/TigerlakeURvp/OpenBoardPkg.dsc
> b/Platform/Intel/TigerlakeOpenBoardPkg/TigerlakeURvp/OpenBoardPkg.dsc
> index 1adf634034..451492f984 100644
> ---
> a/Platform/Intel/TigerlakeOpenBoardPkg/TigerlakeURvp/OpenBoardPkg.dsc
> +++
> b/Platform/Intel/TigerlakeOpenBoardPkg/TigerlakeURvp/OpenBoardPkg.ds
> +++ c
> @@ -142,6 +142,9 @@
> 
> GpioCheckConflictLib|$(PLATFORM_SI_PACKAGE)/IpBlock/Gpio/Library/Bas
> eGpioCheckConflictLibNull/BaseGpioCheckConflictLibNull.inf !endif
> +[LibraryClasses.Common.SEC]+
> VariableReadLib|MinPlatformPkg/Library/BaseVariableReadLibNull/BaseVari
> ableReadLibNull.inf+ [LibraryClasses.IA32.SEC]
> TestPointCheckLib|$(PLATFORM_PACKAGE)/Test/Library/TestPointCheckLib
> /SecTestPointCheckLib.inf
> TestPointCheckLib|$(PLATFORM_PACKAGE)/Test/Library/TestPointCheckLib
> Null/TestPointCheckLibNull.inf--
> 2.28.0.windows.1



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