Re: [Patch] BaseTool: Filter out unused structure pcds

["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, October 19, 2018 8:00 PM
> To: edk2-devel@lists.01.org
> Cc: Gao, Liming <liming.gao@intel.com>
> Subject: [edk2] [Patch] BaseTool: Filter out unused structure pcds
> 
> The current code handle all the structure pcds
> even if there is no module or library use them.
> This patch is going to filter out the unused structure pcds.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Bob Feng <bob.c.feng@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> ---
>  .../Source/Python/Workspace/DscBuildData.py   | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py b/BaseTools/Source/Python/Workspace/DscBuildData.py
> index e481ea4f64..31bce16d15 100644
> --- a/BaseTools/Source/Python/Workspace/DscBuildData.py
> +++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
> @@ -274,10 +274,11 @@ class DscBuildData(PlatformBuildClassObject):
>          self._RFCLanguages      = None
>          self._ISOLanguages      = None
>          self._VpdToolGuid       = None
>          self._MacroDict         = None
>          self.DefaultStores      = None
> +        self.UsedStructurePcd   = None
> 
>      ## handle Override Path of Module
>      def _HandleOverridePath(self):
>          RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
>          for Record in RecordList:
> @@ -1476,10 +1477,11 @@ class DscBuildData(PlatformBuildClassObject):
>                          if str_pcd_obj.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII],
> self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
>                              str_pcd_obj_str.DefaultFromDSC = {skuname:{defaultstore:
> str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, str_pcd_obj.SkuInfoList[skuname].HiiDefaultValue) for defaultstore
> in DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
>                          else:
>                              str_pcd_obj_str.DefaultFromDSC = {skuname:{defaultstore:
> str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, str_pcd_obj.SkuInfoList[skuname].DefaultValue) for defaultstore in
> DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
>                      S_pcd_set[Pcd] = str_pcd_obj_str
> +        self.FilterStrcturePcd(S_pcd_set)
>          if S_pcd_set:
>              GlobalData.gStructurePcd[self.Arch] = S_pcd_set
>          for stru_pcd in S_pcd_set.values():
>              for skuid in SkuIds:
>                  if skuid in stru_pcd.SkuOverrideValues:
> @@ -1571,10 +1573,27 @@ class DscBuildData(PlatformBuildClassObject):
>                  elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
>                      del pcd.SkuInfoList[TAB_COMMON]
> 
>          map(self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if Pcds[pcdkey].Type in DynamicPcdType])
>          return Pcds
> +    #Filter the StrucutrePcd that is not used by any module in dsc file and fdf file.
> +    def FilterStrcturePcd(self, S_pcd_set):
> +        if not self.UsedStructurePcd:
> +            FdfInfList = []
> +            if GlobalData.gFdfParser:
> +                FdfInfList = GlobalData.gFdfParser.Profile.InfList
> +            FdfModuleList = [PathClass(NormPath(Inf), GlobalData.gWorkspace, Arch=self._Arch) for Inf in FdfInfList]
> +            AllModulePcds = set()
> +            ModuleSet = set(self._Modules.keys() + self.LibraryInstances + FdfModuleList)
> +            for ModuleFile in ModuleSet:
> +                ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
> +                AllModulePcds = AllModulePcds | set(ModuleData.Pcds.keys())
> +
> +            self.UsedStructurePcd = AllModulePcds
> +        UnusedStruPcds = set(S_pcd_set.keys()) - self.UsedStructurePcd
> +        for (Token, TokenSpaceGuid) in UnusedStruPcds:
> +            del S_pcd_set[(Token, TokenSpaceGuid)]
> 
>      ## Retrieve non-dynamic PCD settings
>      #
>      #   @param  Type    PCD type
>      #
> --
> 2.18.0.windows.1
> 
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