Re: [Patch] BaseTool: Fixed the issue of empty PcdDB.

["Gao, Liming" <liming.gao@intel.com>]

Reviewed-by: Liming Gao <liming.gao@intel.com>

> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of BobCF
> Sent: Friday, March 23, 2018 10:24 AM
> To: edk2-devel@lists.01.org
> Cc: Gao, Liming <liming.gao@intel.com>
> Subject: [edk2] [Patch] BaseTool: Fixed the issue of empty PcdDB.
> 
> If there is no dynamic pcds, there should be DB header
> in the Pcd DataBase.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Bob Feng <bob.c.feng@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> ---
>  BaseTools/Source/Python/AutoGen/GenPcdDb.py | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/BaseTools/Source/Python/AutoGen/GenPcdDb.py b/BaseTools/Source/Python/AutoGen/GenPcdDb.py
> index e2848e7aaf..e4d7f3b759 100644
> --- a/BaseTools/Source/Python/AutoGen/GenPcdDb.py
> +++ b/BaseTools/Source/Python/AutoGen/GenPcdDb.py
> @@ -978,12 +978,10 @@ def CreatePcdDatabaseCode (Info, AutoGenC, AutoGenH):
>      DbFile.write(PcdDbBuffer)
>      Changed = SaveFileOnChange(DbFileName, DbFile.getvalue(), True)
>  def CreatePcdDataBase(PcdDBData):
>      delta = {}
>      basedata = {}
> -    if not PcdDBData:
> -        return ""
>      for skuname,skuid in PcdDBData:
>          if len(PcdDBData[(skuname,skuid)][1]) != len(PcdDBData[("DEFAULT","0")][1]):
>              EdkLogger.ERROR("The size of each sku in one pcd are not same")
>      for skuname,skuid in PcdDBData:
>          if skuname == "DEFAULT":
> @@ -1059,13 +1057,16 @@ def NewCreatePcdDatabasePhaseSpecificAutoGen(Platform,Phase):
>              VarCheckTable = CreateVarCheckBin(VarCheckTableData)
>              VarCheckTable.dump(dest, Phase)
>          AdditionalAutoGenH, AdditionalAutoGenC =  CreateAutoGen(PcdDriverAutoGenData)
>      else:
>          AdditionalAutoGenH, AdditionalAutoGenC, PcdDbBuffer,VarCheckTab = CreatePcdDatabasePhaseSpecificAutoGen
> (Platform,{}, Phase)
> +        final_data = ()
> +        for item in PcdDbBuffer:
> +            final_data += unpack("B",item)
> +        PcdDBData[("DEFAULT","0")] = (PcdDbBuffer, final_data)
> 
> -    PcdDbBuffer = CreatePcdDataBase(PcdDBData)
> -    return AdditionalAutoGenH, AdditionalAutoGenC, PcdDbBuffer
> +    return AdditionalAutoGenH, AdditionalAutoGenC, CreatePcdDataBase(PcdDBData)
>  ## Create PCD database in DXE or PEI phase
>  #
>  #   @param      Platform    The platform object
>  #   @retval     tuple       Two TemplateString objects for C code and header file,
>  #                           respectively
> --
> 2.14.3.windows.1
> 
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