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

> -----Original Message-----
> From: Feng, Bob C
> Sent: Friday, March 2, 2018 11:52 PM
> To: edk2-devel@lists.01.org
> Cc: Feng, Bob C <bob.c.f...@intel.com>; Gao, Liming <liming....@intel.com>
> Subject: [Patch] BaseTools: Pcd Value override issue.
> 
> For the case that the structure PCD has no value assignment in DSC,
> but has value assignment in command line.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Bob Feng <bob.c.f...@intel.com>
> Cc: Liming Gao <liming....@intel.com>
> ---
>  BaseTools/Source/Python/Workspace/DscBuildData.py | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py 
> b/BaseTools/Source/Python/Workspace/DscBuildData.py
> index cd633e964d..9d787702c2 100644
> --- a/BaseTools/Source/Python/Workspace/DscBuildData.py
> +++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
> @@ -1264,10 +1264,12 @@ class DscBuildData(PlatformBuildClassObject):
>                          else:
>                              MaxSize = max([len(Pcd.DefaultValue),MaxSize])
>                          Pcd.MaxDatumSize = str(MaxSize)
>              else:
>                  PcdInDec = self.DecPcds.get((Name,Guid))
> +                if isinstance(PcdInDec,StructurePcd):
> +                    PcdInDec.PcdValueFromComm = NoFiledValues[(Guid,Name)][0]
>                  if PcdInDec:
>                      if PcdInDec.Type in 
> [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
>                                          
> self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
>                          self.Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
>                          self.Pcds[Name, Guid].DefaultValue = NoFiledValues[( 
> Guid,Name)][0]
> @@ -1667,30 +1669,30 @@ class DscBuildData(PlatformBuildClassObject):
>                                  CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, 
> %s, %d); // From %s Line %d Value %s \n' %
> (Pcd.DatumType, FieldName.strip("."), ArrayIndex + 1, 
> FieldList[FieldName_ori][1], FieldList[FieldName_ori][2],
> FieldList[FieldName_ori][0])
>          if Pcd.PcdFieldValueFromComm:
>              CApp = CApp + "// From Command Line \n"
>          for FieldName in Pcd.PcdFieldValueFromComm:
>              FieldName = "." + FieldName
> -            IsArray = 
> self.IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
> -            if IsArray and not 
> (FieldList[FieldName.strip(".")][0].startswith('{GUID') and
> FieldList[FieldName.strip(".")][0].endswith('}')):
> +            IsArray = 
> self.IsFieldValueAnArray(Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0])
> +            if IsArray and not 
> (Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0].startswith('{GUID') and
> Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0].endswith('}')):
>                  try:
> -                    Value = 
> ValueExpressionEx(FieldList[FieldName.strip(".")][0], "VOID*", 
> self._GuidDict)(True)
> +                    Value = 
> ValueExpressionEx(Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0], "VOID*",
> self._GuidDict)(True)
>                  except BadExpression:
>                      EdkLogger.error('Build', FORMAT_INVALID, "Invalid value 
> format for %s. From %s Line %d " %
> -                                    (".".join((Pcd.TokenSpaceGuidCName, 
> Pcd.TokenCName, FieldName.strip('.'))),
> FieldList[FieldName.strip(".")][1], FieldList[FieldName.strip(".")][2]))
> +                                    (".".join((Pcd.TokenSpaceGuidCName, 
> Pcd.TokenCName, FieldName.strip('.'))),
> Pcd.PcdFieldValueFromComm[FieldName.strip(".")][1], 
> Pcd.PcdFieldValueFromComm[FieldName.strip(".")][2]))
>                  Value, ValueSize = ParseFieldValue(Value)
> -                CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d / 
> __ARRAY_ELEMENT_SIZE(%s, %s) + ((%d %%
> __ARRAY_ELEMENT_SIZE(%s, %s)) ? 1 : 0)); // From %s Line %d Value %s\n' % 
> (Pcd.DatumType, FieldName.strip("."), ValueSize,
> Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, 
> FieldName.strip("."), FieldList[FieldName.strip(".")][1],
> FieldList[FieldName.strip(".")][2], FieldList[FieldName.strip(".")][0]);
> +                CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d / 
> __ARRAY_ELEMENT_SIZE(%s, %s) + ((%d %%
> __ARRAY_ELEMENT_SIZE(%s, %s)) ? 1 : 0)); // From %s Line %d Value %s\n' % 
> (Pcd.DatumType, FieldName.strip("."), ValueSize,
> Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, 
> FieldName.strip("."),
> Pcd.PcdFieldValueFromComm[FieldName.strip(".")][1], 
> Pcd.PcdFieldValueFromComm[FieldName.strip(".")][2],
> Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0]);
>              else:
>                  NewFieldName = ''
>                  FieldName_ori = FieldName.strip('.')
>                  while '[' in  FieldName:
>                      NewFieldName = NewFieldName + FieldName.split('[', 1)[0] 
> + '[0]'
>                      ArrayIndex = int(FieldName.split('[', 1)[1].split(']', 
> 1)[0])
>                      FieldName = FieldName.split(']', 1)[1]
>                  FieldName = NewFieldName + FieldName
>                  while '[' in FieldName:
>                      FieldName = FieldName.rsplit('[', 1)[0]
> -                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // 
> From %s Line %d Value %s \n' % (Pcd.DatumType,
> FieldName.strip("."), ArrayIndex + 1, FieldList[FieldName_ori][1], 
> FieldList[FieldName_ori][2], FieldList[FieldName_ori][0])
> +                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // 
> From %s Line %d Value %s \n' % (Pcd.DatumType,
> FieldName.strip("."), ArrayIndex + 1, 
> Pcd.PcdFieldValueFromComm[FieldName_ori][1],
> Pcd.PcdFieldValueFromComm[FieldName_ori][2], 
> Pcd.PcdFieldValueFromComm[FieldName_ori][0])
>          CApp = CApp + "  *Size = (%d > *Size ? %d : *Size); // The Pcd 
> maxsize is %d \n" %
> (self.GetPcdMaxSize(Pcd),self.GetPcdMaxSize(Pcd),self.GetPcdMaxSize(Pcd))
>          CApp = CApp + "}\n"
>          return CApp
>      def GenerateSizeStatments(self,Pcd):
>          CApp = '  Size = sizeof(%s);\n' % (Pcd.DatumType)
> --
> 2.14.3.windows.1

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