X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=BaseTools%2FSource%2FPython%2FWorkspace%2FDscBuildData.py;h=a599c5bb7688e0a63976fdd1a528a9dc9b9e305e;hb=0b36dea3f8b71ddddc4fdf3a5d2edf395115568b;hp=080e3140136d680db73fbb4c65febe21cacba348;hpb=72a1d77694d51914c0dd6aa97dbfa58634b0a4a5;p=mirror_edk2.git

diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py b/BaseTools/Source/Python/Workspace/DscBuildData.py
index 080e314013..a599c5bb76 100644
--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
@@ -1,15 +1,9 @@
 ## @file
 # This file is used to create a database used by build tool
 #
-# Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2008 - 2020, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Platform build information from DSC file
@@ -25,26 +19,43 @@ from Common.Misc import *
 from types import *
 from Common.Expression import *
 from CommonDataClass.CommonClass import SkuInfoClass
-from Common.TargetTxtClassObject import *
-from Common.ToolDefClassObject import *
+from Common.TargetTxtClassObject import TargetTxtDict,gDefaultTargetTxtFile
+from Common.ToolDefClassObject import ToolDefDict,gDefaultToolsDefFile
 from .MetaDataTable import *
 from .MetaFileTable import *
 from .MetaFileParser import *
 
 from .WorkspaceCommon import GetDeclaredPcd
 from Common.Misc import AnalyzeDscPcd
-from Common.Misc import ProcessDuplicatedInf
+from Common.Misc import ProcessDuplicatedInf,RemoveCComments,ArrayIndex
 import re
 from Common.Parsing import IsValidWord
 from Common.VariableAttributes import VariableAttributes
 import Common.GlobalData as GlobalData
 import subprocess
+from functools import reduce
 from Common.Misc import SaveFileOnChange
 from Workspace.BuildClassObject import PlatformBuildClassObject, StructurePcd, PcdClassObject, ModuleBuildClassObject
 from collections import OrderedDict, defaultdict
-from .BuildClassObject import ArrayIndex
+
+def _IsFieldValueAnArray (Value):
+    Value = Value.strip()
+    if Value.startswith(TAB_GUID) and Value.endswith(')'):
+        return True
+    if Value.startswith('L"') and Value.endswith('"')  and len(list(Value[2:-1])) > 1:
+        return True
+    if Value[0] == '"' and Value[-1] == '"' and len(list(Value[1:-1])) > 1:
+        return True
+    if Value[0] == '{' and Value[-1] == '}':
+        return True
+    if Value.startswith("L'") and Value.endswith("'") and len(list(Value[2:-1])) > 1:
+        return True
+    if Value[0] == "'" and Value[-1] == "'" and len(list(Value[1:-1])) > 1:
+        return True
+    return False
 
 PcdValueInitName = 'PcdValueInit'
+PcdValueCommonName = 'PcdValueCommon'
 
 PcdMainCHeader = '''
 /**
@@ -81,15 +92,13 @@ WindowsCFLAGS = 'CFLAGS = $(CFLAGS) /wd4200 /wd4034 /wd4101 '
 LinuxCFLAGS = 'BUILD_CFLAGS += -Wno-pointer-to-int-cast -Wno-unused-variable '
 PcdMakefileEnd = '''
 !INCLUDE $(BASE_TOOLS_PATH)\Source\C\Makefiles\ms.common
-
-LIBS = $(LIB_PATH)\Common.lib
-
 !INCLUDE $(BASE_TOOLS_PATH)\Source\C\Makefiles\ms.app
 '''
 
 AppTarget = '''
 all: $(APPFILE)
-$(APPFILE): $(OBJECTS)
+$(APPLICATION): $(OBJECTS)
+$(APPFILE): $(APPLICATION)
 %s
 '''
 
@@ -138,8 +147,14 @@ def GetDependencyList(FileStack, SearchPathList):
             if len(FileContent) == 0:
                 continue
 
-            if FileContent[0] == 0xff or FileContent[0] == 0xfe:
-                FileContent = unicode(FileContent, "utf-16")
+            try:
+                if FileContent[0] == 0xff or FileContent[0] == 0xfe:
+                    FileContent = FileContent.decode('utf-16')
+                else:
+                    FileContent = FileContent.decode()
+            except:
+                # The file is not txt file. for example .mcb file
+                continue
             IncludedFileList = gIncludePattern.findall(FileContent)
 
             for Inc in IncludedFileList:
@@ -165,20 +180,6 @@ def GetDependencyList(FileStack, SearchPathList):
     return DependencyList
 
 class DscBuildData(PlatformBuildClassObject):
-    # dict used to convert PCD type in database to string used by build tool
-    _PCD_TYPE_STRING_ = {
-        MODEL_PCD_FIXED_AT_BUILD        :   TAB_PCDS_FIXED_AT_BUILD,
-        MODEL_PCD_PATCHABLE_IN_MODULE   :   TAB_PCDS_PATCHABLE_IN_MODULE,
-        MODEL_PCD_FEATURE_FLAG          :   TAB_PCDS_FEATURE_FLAG,
-        MODEL_PCD_DYNAMIC               :   TAB_PCDS_DYNAMIC,
-        MODEL_PCD_DYNAMIC_DEFAULT       :   TAB_PCDS_DYNAMIC,
-        MODEL_PCD_DYNAMIC_HII           :   TAB_PCDS_DYNAMIC_HII,
-        MODEL_PCD_DYNAMIC_VPD           :   TAB_PCDS_DYNAMIC_VPD,
-        MODEL_PCD_DYNAMIC_EX            :   TAB_PCDS_DYNAMIC_EX,
-        MODEL_PCD_DYNAMIC_EX_DEFAULT    :   TAB_PCDS_DYNAMIC_EX,
-        MODEL_PCD_DYNAMIC_EX_HII        :   TAB_PCDS_DYNAMIC_EX_HII,
-        MODEL_PCD_DYNAMIC_EX_VPD        :   TAB_PCDS_DYNAMIC_EX_VPD,
-    }
 
     # dict used to convert part of [Defines] to members of DscBuildData directly
     _PROPERTY_ = {
@@ -225,11 +226,10 @@ class DscBuildData(PlatformBuildClassObject):
         self._Toolchain = Toolchain
         self._ToolChainFamily = None
         self._Clear()
-        self._HandleOverridePath()
         self.WorkspaceDir = os.getenv("WORKSPACE") if os.getenv("WORKSPACE") else ""
         self.DefaultStores = None
         self.SkuIdMgr = SkuClass(self.SkuName, self.SkuIds)
-
+        self.UpdatePcdTypeDict()
     @property
     def OutputPath(self):
         if os.getenv("WORKSPACE"):
@@ -284,24 +284,6 @@ class DscBuildData(PlatformBuildClassObject):
         self._MacroDict         = None
         self.DefaultStores      = None
 
-    ## handle Override Path of Module
-    def _HandleOverridePath(self):
-        RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
-        for Record in RecordList:
-            ModuleId = Record[6]
-            LineNo = Record[7]
-            ModuleFile = PathClass(NormPath(Record[0]), GlobalData.gWorkspace, Arch=self._Arch)
-            RecordList = self._RawData[MODEL_META_DATA_COMPONENT_SOURCE_OVERRIDE_PATH, self._Arch, None, ModuleId]
-            if RecordList != []:
-                SourceOverridePath = mws.join(GlobalData.gWorkspace, NormPath(RecordList[0][0]))
-
-                # Check if the source override path exists
-                if not os.path.isdir(SourceOverridePath):
-                    EdkLogger.error('build', FILE_NOT_FOUND, Message='Source override path does not exist:', File=self.MetaFile, ExtraData=SourceOverridePath, Line=LineNo)
-
-                # Add to GlobalData Variables
-                GlobalData.gOverrideDir[ModuleFile.Key] = SourceOverridePath
-
     ## Get current effective macros
     @property
     def _Macros(self):
@@ -316,10 +298,13 @@ class DscBuildData(PlatformBuildClassObject):
     @property
     def Arch(self):
         return self._Arch
+    @property
+    def Dir(self):
+        return self.MetaFile.Dir
 
     ## Retrieve all information in [Defines] section
     #
-    #   (Retriving all [Defines] information in one-shot is just to save time.)
+    #   (Retrieving all [Defines] information in one-shot is just to save time.)
     #
     def _GetHeaderInfo(self):
         RecordList = self._RawData[MODEL_META_DATA_HEADER, self._Arch]
@@ -403,6 +388,10 @@ class DscBuildData(PlatformBuildClassObject):
                 for i in range(0, len(LanguageCodes), 3):
                     LanguageList.append(LanguageCodes[i:i + 3])
                 self._ISOLanguages = LanguageList
+            elif Name == TAB_DSC_DEFINES_VPD_AUTHENTICATED_VARIABLE_STORE:
+                if TAB_DSC_DEFINES_VPD_AUTHENTICATED_VARIABLE_STORE not in gCommandLineDefines:
+                    gCommandLineDefines[TAB_DSC_DEFINES_VPD_AUTHENTICATED_VARIABLE_STORE] = Record[2].strip()
+
             elif Name == TAB_DSC_DEFINES_VPD_TOOL_GUID:
                 #
                 # try to convert GUID to a real UUID value to see whether the GUID is format
@@ -413,6 +402,9 @@ class DscBuildData(PlatformBuildClassObject):
                 except:
                     EdkLogger.error("build", FORMAT_INVALID, "Invalid GUID format for VPD_TOOL_GUID", File=self.MetaFile)
                 self._VpdToolGuid = Record[2]
+            elif Name == TAB_DSC_DEFINES_PCD_DYNAMIC_AS_DYNAMICEX:
+                if TAB_DSC_DEFINES_PCD_DYNAMIC_AS_DYNAMICEX not in gCommandLineDefines:
+                    gCommandLineDefines[TAB_DSC_DEFINES_PCD_DYNAMIC_AS_DYNAMICEX] = Record[2].strip()
             elif Name in self:
                 self[Name] = Record[2]
         # set _Header to non-None in order to avoid database re-querying
@@ -706,19 +698,47 @@ class DscBuildData(PlatformBuildClassObject):
             GlobalData.gDefaultStores = sorted(self.DefaultStores.keys())
         return self.DefaultStores
 
+    def OverrideDuplicateModule(self):
+        RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
+        Macros = self._Macros
+        Components = {}
+        for Record in RecordList:
+            ModuleId = Record[6]
+            file_guid = self._RawData[MODEL_META_DATA_HEADER, self._Arch, None, ModuleId]
+            file_guid_str = file_guid[0][2] if file_guid else "NULL"
+            ModuleFile = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
+            if self._Arch != TAB_ARCH_COMMON and (file_guid_str,str(ModuleFile)) in Components:
+                self._RawData.DisableOverrideComponent(Components[(file_guid_str,str(ModuleFile))])
+            Components[(file_guid_str,str(ModuleFile))] = ModuleId
+        self._RawData._PostProcessed = False
+
+    ## Retrieve packages this Platform depends on
+    @cached_property
+    def Packages(self):
+        RetVal = set()
+        RecordList = self._RawData[MODEL_META_DATA_PACKAGE, self._Arch]
+        Macros = self._Macros
+        for Record in RecordList:
+            File = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
+            # check the file validation
+            ErrorCode, ErrorInfo = File.Validate('.dec')
+            if ErrorCode != 0:
+                LineNo = Record[-1]
+                EdkLogger.error('build', ErrorCode, ExtraData=ErrorInfo, File=self.MetaFile, Line=LineNo)
+            # parse this package now. we need it to get protocol/ppi/guid value
+            RetVal.add(self._Bdb[File, self._Arch, self._Target, self._Toolchain])
+        return RetVal
+
     ## Retrieve [Components] section information
     @property
     def Modules(self):
         if self._Modules is not None:
             return self._Modules
-
+        self.OverrideDuplicateModule()
         self._Modules = OrderedDict()
         RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
         Macros = self._Macros
-        Macros["EDK_SOURCE"] = GlobalData.gEcpSource
         for Record in RecordList:
-            DuplicatedFile = False
-
             ModuleFile = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
             ModuleId = Record[6]
             LineNo = Record[7]
@@ -728,14 +748,11 @@ class DscBuildData(PlatformBuildClassObject):
             if ErrorCode != 0:
                 EdkLogger.error('build', ErrorCode, File=self.MetaFile, Line=LineNo,
                                 ExtraData=ErrorInfo)
-            # Check duplication
-            # If arch is COMMON, no duplicate module is checked since all modules in all component sections are selected
-            if self._Arch != TAB_ARCH_COMMON and ModuleFile in self._Modules:
-                DuplicatedFile = True
 
+            ModuleBuildData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
             Module = ModuleBuildClassObject()
             Module.MetaFile = ModuleFile
-
+            Module.Guid = ModuleBuildData.Guid
             # get module private library instance
             RecordList = self._RawData[MODEL_EFI_LIBRARY_CLASS, self._Arch, None, ModuleId]
             for Record in RecordList:
@@ -756,7 +773,7 @@ class DscBuildData(PlatformBuildClassObject):
                 Module.LibraryClasses[LibraryClass] = LibraryPath
                 if LibraryPath not in self.LibraryInstances:
                     self.LibraryInstances.append(LibraryPath)
-
+            S_PcdSet = []
             # get module private PCD setting
             for Type in [MODEL_PCD_FIXED_AT_BUILD, MODEL_PCD_PATCHABLE_IN_MODULE, \
                          MODEL_PCD_FEATURE_FLAG, MODEL_PCD_DYNAMIC, MODEL_PCD_DYNAMIC_EX]:
@@ -770,20 +787,31 @@ class DscBuildData(PlatformBuildClassObject):
                     else:
                         MaxDatumSize = ''
                     TypeString = self._PCD_TYPE_STRING_[Type]
-                    Pcd = PcdClassObject(
-                            PcdCName,
-                            TokenSpaceGuid,
-                            TypeString,
-                            '',
-                            DefaultValue,
-                            '',
-                            MaxDatumSize,
-                            {},
-                            False,
-                            None
-                            )
-                    Module.Pcds[PcdCName, TokenSpaceGuid] = Pcd
 
+                    TCName,PCName,DimensionAttr,Field = self.ParsePcdNameStruct(TokenSpaceGuid, PcdCName)
+
+                    if ("." in TokenSpaceGuid or "[" in PcdCName):
+                        S_PcdSet.append([ TCName,PCName,DimensionAttr,Field, ModuleBuildData.Guid, "", Dummy5, AnalyzePcdExpression(Setting)[0]])
+                        DefaultValue = ''
+                    if ( PCName,TCName) not in Module.Pcds:
+                        Pcd = PcdClassObject(
+                                PCName,
+                                TCName,
+                                TypeString,
+                                '',
+                                DefaultValue,
+                                '',
+                                MaxDatumSize,
+                                {},
+                                False,
+                                None,
+                                IsDsc=True)
+                        Module.Pcds[PCName, TCName] = Pcd
+
+            Module.StrPcdSet = S_PcdSet
+            for TCName,PCName, _,_,_,_,_,_ in S_PcdSet:
+                if (PCName,TCName) in Module.Pcds:
+                    Module.StrPcdOverallValue[(PCName,TCName)] = Module.Pcds[(PCName,TCName)].DefaultValue, self.MetaFile,Dummy5
             # get module private build options
             RecordList = self._RawData[MODEL_META_DATA_BUILD_OPTION, self._Arch, None, ModuleId]
             for ToolChainFamily, ToolChain, Option, Dummy1, Dummy2, Dummy3, Dummy4, Dummy5 in RecordList:
@@ -794,15 +822,15 @@ class DscBuildData(PlatformBuildClassObject):
                     Module.BuildOptions[ToolChainFamily, ToolChain] = OptionString + " " + Option
 
             RecordList = self._RawData[MODEL_META_DATA_HEADER, self._Arch, None, ModuleId]
-            if DuplicatedFile and not RecordList:
-                EdkLogger.error('build', FILE_DUPLICATED, File=self.MetaFile, ExtraData=str(ModuleFile), Line=LineNo)
             if RecordList:
                 if len(RecordList) != 1:
                     EdkLogger.error('build', OPTION_UNKNOWN, 'Only FILE_GUID can be listed in <Defines> section.',
                                     File=self.MetaFile, ExtraData=str(ModuleFile), Line=LineNo)
                 ModuleFile = ProcessDuplicatedInf(ModuleFile, RecordList[0][2], GlobalData.gWorkspace)
                 ModuleFile.Arch = self._Arch
-
+                Module.Guid = RecordList[0][2]
+                for item in Module.StrPcdSet:
+                    item[4] = RecordList[0][2]
             self._Modules[ModuleFile] = Module
         return self._Modules
 
@@ -858,8 +886,6 @@ class DscBuildData(PlatformBuildClassObject):
                         continue
                     self._LibraryClasses[LibraryClass, ModuleType] = LibraryInstance
 
-            # for Edk style library instances, which are listed in different section
-            Macros["EDK_SOURCE"] = GlobalData.gEcpSource
             RecordList = self._RawData[MODEL_EFI_LIBRARY_INSTANCE, self._Arch]
             for Record in RecordList:
                 File = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
@@ -881,7 +907,7 @@ class DscBuildData(PlatformBuildClassObject):
         return self._LibraryClasses
 
     def _ValidatePcd(self, PcdCName, TokenSpaceGuid, Setting, PcdType, LineNo):
-        if self._DecPcds is None:
+        if not self._DecPcds:
 
             FdfInfList = []
             if GlobalData.gFdfParser:
@@ -894,7 +920,8 @@ class DscBuildData(PlatformBuildClassObject):
                     continue
                 ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
                 PkgSet.update(ModuleData.Packages)
-
+            if self.Packages:
+                PkgSet.update(self.Packages)
             self._DecPcds, self._GuidDict = GetDeclaredPcd(self, self._Bdb, self._Arch, self._Target, self._Toolchain, PkgSet)
             self._GuidDict.update(GlobalData.gPlatformPcds)
 
@@ -941,11 +968,16 @@ class DscBuildData(PlatformBuildClassObject):
                                 ExtraData="%s.%s" % (TokenSpaceGuid, PcdCName))
             if PcdType in (MODEL_PCD_DYNAMIC_DEFAULT, MODEL_PCD_DYNAMIC_EX_DEFAULT, MODEL_PCD_FIXED_AT_BUILD, MODEL_PCD_PATCHABLE_IN_MODULE):
                 if self._DecPcds[PcdCName, TokenSpaceGuid].DatumType.strip() != ValueList[1].strip():
-                    EdkLogger.error('build', FORMAT_INVALID, "Pcd datumtype used in DSC file is not the same as its declaration in DEC file.", File=self.MetaFile, Line=LineNo,
-                                ExtraData="%s.%s|%s" % (TokenSpaceGuid, PcdCName, Setting))
+                    DecPcd = self._DecPcds[PcdCName, TokenSpaceGuid]
+                    EdkLogger.error('build', FORMAT_INVALID,
+                                    "Pcd datumtype used in DSC file is not the same as its declaration. DatumType:%s"%DecPcd.DatumType,
+                                    File=self.MetaFile, Line=LineNo,
+                                    ExtraData="Dsc:%s.%s|%s\n    Dec:%s.%s|%s|%s|%s" % (TokenSpaceGuid, PcdCName, Setting, TokenSpaceGuid, \
+                                    PcdCName, DecPcd.DefaultValue, DecPcd.DatumType, DecPcd.TokenValue))
         if (TokenSpaceGuid + '.' + PcdCName) in GlobalData.gPlatformPcds:
             if GlobalData.gPlatformPcds[TokenSpaceGuid + '.' + PcdCName] != ValueList[Index]:
                 GlobalData.gPlatformPcds[TokenSpaceGuid + '.' + PcdCName] = ValueList[Index]
+            GlobalData.gPlatformFinalPcds[TokenSpaceGuid + '.' + PcdCName] = ValueList[Index]
         return ValueList
 
     def _FilterPcdBySkuUsage(self, Pcds):
@@ -974,7 +1006,7 @@ class DscBuildData(PlatformBuildClassObject):
                 if TAB_DEFAULT_STORES_DEFAULT not in skuobj.DefaultStoreDict:
                     PcdDefaultStoreSet = set(defaultstorename  for defaultstorename in skuobj.DefaultStoreDict)
                     mindefaultstorename = DefaultStoreMgr.GetMin(PcdDefaultStoreSet)
-                    skuobj.DefaultStoreDict[TAB_DEFAULT_STORES_DEFAULT] = copy.deepcopy(skuobj.DefaultStoreDict[mindefaultstorename])
+                    skuobj.DefaultStoreDict[TAB_DEFAULT_STORES_DEFAULT] = skuobj.DefaultStoreDict[mindefaultstorename]
         return Pcds
 
     def RecoverCommandLinePcd(self):
@@ -1069,13 +1101,10 @@ class DscBuildData(PlatformBuildClassObject):
                 GlobalData.BuildOptionPcd[i] = (TokenSpaceGuidCName, TokenCName, FieldName, pcdvalue, ("build command options", 1))
 
         if GlobalData.BuildOptionPcd:
+            inf_objs = [item for item in self._Bdb._CACHE_.values() if item.Arch == self.Arch and item.MetaFile.Ext.lower() == '.inf']
             for pcd in GlobalData.BuildOptionPcd:
                 (TokenSpaceGuidCName, TokenCName, FieldName, pcdvalue, _) = pcd
-                for BuildData in self._Bdb._CACHE_.values():
-                    if BuildData.Arch != self.Arch:
-                        continue
-                    if BuildData.MetaFile.Ext == '.dec' or BuildData.MetaFile.Ext == '.dsc':
-                        continue
+                for BuildData in inf_objs:
                     for key in BuildData.Pcds:
                         PcdItem = BuildData.Pcds[key]
                         if (TokenSpaceGuidCName, TokenCName) == (PcdItem.TokenSpaceGuidCName, PcdItem.TokenCName) and FieldName =="":
@@ -1105,7 +1134,7 @@ class DscBuildData(PlatformBuildClassObject):
             IsArray = False
             TokenCName += '.' + FieldName
         if PcdValue.startswith('H'):
-            if FieldName and IsFieldValueAnArray(PcdValue[1:]):
+            if FieldName and _IsFieldValueAnArray(PcdValue[1:]):
                 PcdDatumType = TAB_VOID
                 IsArray = True
             if FieldName and not IsArray:
@@ -1116,7 +1145,7 @@ class DscBuildData(PlatformBuildClassObject):
                 EdkLogger.error('Parser', FORMAT_INVALID, 'PCD [%s.%s] Value "%s",  %s' %
                                 (TokenSpaceGuidCName, TokenCName, PcdValue, Value))
         elif PcdValue.startswith("L'") or PcdValue.startswith("'"):
-            if FieldName and IsFieldValueAnArray(PcdValue):
+            if FieldName and _IsFieldValueAnArray(PcdValue):
                 PcdDatumType = TAB_VOID
                 IsArray = True
             if FieldName and not IsArray:
@@ -1128,7 +1157,7 @@ class DscBuildData(PlatformBuildClassObject):
                                 (TokenSpaceGuidCName, TokenCName, PcdValue, Value))
         elif PcdValue.startswith('L'):
             PcdValue = 'L"' + PcdValue[1:] + '"'
-            if FieldName and IsFieldValueAnArray(PcdValue):
+            if FieldName and _IsFieldValueAnArray(PcdValue):
                 PcdDatumType = TAB_VOID
                 IsArray = True
             if FieldName and not IsArray:
@@ -1157,7 +1186,7 @@ class DscBuildData(PlatformBuildClassObject):
                     Num = int(PcdValue, Base)
                 except:
                     PcdValue = '"' + PcdValue + '"'
-                if IsFieldValueAnArray(PcdValue):
+                if _IsFieldValueAnArray(PcdValue):
                     PcdDatumType = TAB_VOID
                     IsArray = True
                 if not IsArray:
@@ -1218,7 +1247,27 @@ class DscBuildData(PlatformBuildClassObject):
                         if ' ' + Option not in self._BuildOptions[CurKey]:
                             self._BuildOptions[CurKey] += ' ' + Option
         return self._BuildOptions
+    def GetBuildOptionsByPkg(self, Module, ModuleType):
 
+        local_pkg = os.path.split(Module.LocalPkg())[0]
+        if self._ModuleTypeOptions is None:
+            self._ModuleTypeOptions = OrderedDict()
+        if ModuleType not in self._ModuleTypeOptions:
+            options = OrderedDict()
+            self._ModuleTypeOptions[ ModuleType] = options
+            RecordList = self._RawData[MODEL_META_DATA_BUILD_OPTION, self._Arch]
+            for ToolChainFamily, ToolChain, Option, Dummy1, Dummy2, Dummy3, Dummy4, Dummy5 in RecordList:
+                if Dummy2 not in (TAB_COMMON,local_pkg.upper(),"EDKII"):
+                    continue
+                Type = Dummy3
+                if Type.upper() == ModuleType.upper():
+                    Key = (ToolChainFamily, ToolChain)
+                    if Key not in options or not ToolChain.endswith('_FLAGS') or Option.startswith('='):
+                        options[Key] = Option
+                    else:
+                        if ' ' + Option not in options[Key]:
+                            options[Key] += ' ' + Option
+        return self._ModuleTypeOptions[ModuleType]
     def GetBuildOptionsByModuleType(self, Edk, ModuleType):
         if self._ModuleTypeOptions is None:
             self._ModuleTypeOptions = OrderedDict()
@@ -1347,11 +1396,11 @@ class DscBuildData(PlatformBuildClassObject):
                                         self._PCD_TYPE_STRING_[MODEL_PCD_FEATURE_FLAG],
                                         self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC],
                                         self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX]]:
-                        self.Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
-                        self.Pcds[Name, Guid].DefaultValue = NoFiledValues[( Guid, Name)][0]
+                        self._Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
+                        self._Pcds[Name, Guid].DefaultValue = NoFiledValues[( Guid, Name)][0]
                     if PcdInDec.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC],
                                         self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX]]:
-                        self.Pcds[Name, Guid].SkuInfoList = {TAB_DEFAULT:SkuInfoClass(TAB_DEFAULT, self.SkuIds[TAB_DEFAULT][0], '', '', '', '', '', NoFiledValues[( Guid, Name)][0])}
+                        self._Pcds[Name, Guid].SkuInfoList = {TAB_DEFAULT:SkuInfoClass(TAB_DEFAULT, self.SkuIds[TAB_DEFAULT][0], '', '', '', '', '', NoFiledValues[( Guid, Name)][0])}
         return AllPcds
 
     def OverrideByFdfOverAll(self,AllPcds):
@@ -1393,8 +1442,8 @@ class DscBuildData(PlatformBuildClassObject):
                     if PcdInDec.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                                         self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE],
                                         self._PCD_TYPE_STRING_[MODEL_PCD_FEATURE_FLAG]]:
-                        self.Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
-                        self.Pcds[Name, Guid].DefaultValue = Value
+                        self._Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
+                        self._Pcds[Name, Guid].DefaultValue = Value
         return AllPcds
 
     def ParsePcdNameStruct(self,NamePart1,NamePart2):
@@ -1459,7 +1508,15 @@ class DscBuildData(PlatformBuildClassObject):
                                 File=self.MetaFile, Line = Dummy5)
 
                 S_PcdSet.append([ TCName,PCName,DimensionAttr,Field, SkuName, default_store, Dummy5, AnalyzePcdExpression(Setting)[0]])
-
+        ModuleScopeOverallValue = {}
+        for m in self.Modules.values():
+            mguid = m.Guid
+            if m.StrPcdSet:
+                S_PcdSet.extend(m.StrPcdSet)
+                mguid = m.StrPcdSet[0][4]
+            for (PCName,TCName) in m.StrPcdOverallValue:
+                Value, dsc_file, lineNo = m.StrPcdOverallValue[(PCName,TCName)]
+                ModuleScopeOverallValue.setdefault((PCName,TCName),{})[mguid] = Value, dsc_file, lineNo
         # handle pcd value override
         StrPcdSet = DscBuildData.GetStructurePcdInfo(S_PcdSet)
         S_pcd_set = OrderedDict()
@@ -1477,6 +1534,11 @@ class DscBuildData(PlatformBuildClassObject):
             for str_pcd_data in StrPcdSet[str_pcd]:
                 if str_pcd_data[4] in SkuIds:
                     str_pcd_obj_str.AddOverrideValue(str_pcd_data[3], str(str_pcd_data[7]), TAB_DEFAULT if str_pcd_data[4] == TAB_COMMON else str_pcd_data[4], TAB_DEFAULT_STORES_DEFAULT if str_pcd_data[5] == TAB_COMMON else str_pcd_data[5], self.MetaFile.File if self.WorkspaceDir not in self.MetaFile.File else self.MetaFile.File[len(self.WorkspaceDir) if self.WorkspaceDir.endswith(os.path.sep) else len(self.WorkspaceDir)+1:], LineNo=str_pcd_data[6],DimensionAttr = str_pcd_data[2])
+                elif GlobalData.gGuidPattern.match(str_pcd_data[4]):
+                    str_pcd_obj_str.AddComponentOverrideValue(str_pcd_data[3], str(str_pcd_data[7]), str_pcd_data[4].replace("-","S"), self.MetaFile.File if self.WorkspaceDir not in self.MetaFile.File else self.MetaFile.File[len(self.WorkspaceDir) if self.WorkspaceDir.endswith(os.path.sep) else len(self.WorkspaceDir)+1:], LineNo=str_pcd_data[6],DimensionAttr = str_pcd_data[2])
+                    PcdComponentValue = ModuleScopeOverallValue.get((str_pcd_obj_str.TokenCName,str_pcd_obj_str.TokenSpaceGuidCName))
+                    for module_guid in PcdComponentValue:
+                        str_pcd_obj_str.PcdValueFromComponents[module_guid.replace("-","S")] = PcdComponentValue[module_guid]
             S_pcd_set[str_pcd[1], str_pcd[0]] = str_pcd_obj_str
 
         # Add the Structure PCD that only defined in DEC, don't have override in DSC file
@@ -1494,7 +1556,8 @@ class DscBuildData(PlatformBuildClassObject):
                             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
         if S_pcd_set:
-            GlobalData.gStructurePcd[self.Arch] = S_pcd_set
+            GlobalData.gStructurePcd[self.Arch] = S_pcd_set.copy()
+        self.FilterStrcturePcd(S_pcd_set)
         for stru_pcd in S_pcd_set.values():
             for skuid in SkuIds:
                 if skuid in stru_pcd.SkuOverrideValues:
@@ -1510,6 +1573,9 @@ class DscBuildData(PlatformBuildClassObject):
                     stru_pcd.SkuOverrideValues[skuid] = copy.deepcopy(stru_pcd.SkuOverrideValues[nextskuid]) if not NoDefault else copy.deepcopy({defaultstorename: stru_pcd.DefaultValues for defaultstorename in DefaultStores} if DefaultStores else {}) #{TAB_DEFAULT_STORES_DEFAULT:stru_pcd.DefaultValues})
                     if not NoDefault:
                         stru_pcd.ValueChain.add((skuid, ''))
+                if 'DEFAULT' in stru_pcd.SkuOverrideValues and not GlobalData.gPcdSkuOverrides.get((stru_pcd.TokenCName, stru_pcd.TokenSpaceGuidCName)):
+                    GlobalData.gPcdSkuOverrides.update(
+                        {(stru_pcd.TokenCName, stru_pcd.TokenSpaceGuidCName): {'DEFAULT':stru_pcd.SkuOverrideValues['DEFAULT']}})
             if stru_pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                 for skuid in SkuIds:
                     nextskuid = skuid
@@ -1527,11 +1593,14 @@ class DscBuildData(PlatformBuildClassObject):
 
                     for defaultstoreid in DefaultStores:
                         if defaultstoreid not in stru_pcd.SkuOverrideValues[skuid]:
-                            stru_pcd.SkuOverrideValues[skuid][defaultstoreid] = copy.deepcopy(stru_pcd.SkuOverrideValues[nextskuid][mindefaultstorename])
+                            stru_pcd.SkuOverrideValues[skuid][defaultstoreid] = CopyDict(stru_pcd.SkuOverrideValues[nextskuid][mindefaultstorename])
                             stru_pcd.ValueChain.add((skuid, defaultstoreid))
         S_pcd_set = DscBuildData.OverrideByFdf(S_pcd_set,self.WorkspaceDir)
         S_pcd_set = DscBuildData.OverrideByComm(S_pcd_set)
+
+        # Create a tool to caculate structure pcd value
         Str_Pcd_Values = self.GenerateByteArrayValue(S_pcd_set)
+
         if Str_Pcd_Values:
             for (skuname, StoreName, PcdGuid, PcdName, PcdValue) in Str_Pcd_Values:
                 str_pcd_obj = S_pcd_set.get((PcdName, PcdGuid))
@@ -1549,6 +1618,14 @@ class DscBuildData(PlatformBuildClassObject):
                                         self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                     if skuname in (self.SkuIdMgr.SystemSkuId, TAB_DEFAULT, TAB_COMMON):
                         str_pcd_obj.DefaultValue = PcdValue
+                    else:
+                        #Module Scope Structure Pcd
+                        moduleguid = skuname.replace("S","-")
+                        if GlobalData.gGuidPattern.match(moduleguid):
+                            for component in self.Modules.values():
+                                if component.Guid == moduleguid:
+                                    component.Pcds[(PcdName, PcdGuid)].DefaultValue = PcdValue
+
                 else:
                     if skuname not in str_pcd_obj.SkuInfoList:
                         nextskuid = self.SkuIdMgr.GetNextSkuId(skuname)
@@ -1574,7 +1651,7 @@ class DscBuildData(PlatformBuildClassObject):
 
             for str_pcd_obj in S_pcd_set.values():
 
-                str_pcd_obj.MaxDatumSize = self.GetStructurePcdMaxSize(str_pcd_obj)
+                str_pcd_obj.MaxDatumSize = DscBuildData.GetStructurePcdMaxSize(str_pcd_obj)
                 Pcds[str_pcd_obj.TokenCName, str_pcd_obj.TokenSpaceGuidCName] = str_pcd_obj
                 Pcds[str_pcd_obj.TokenCName, str_pcd_obj.TokenSpaceGuidCName].CustomAttribute['IsStru']=True
 
@@ -1586,8 +1663,29 @@ 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])
+        list(map(self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if Pcds[pcdkey].Type in DynamicPcdType]))
         return Pcds
+    @cached_property
+    def PlatformUsedPcds(self):
+        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(list(self._Modules.keys()) + FdfModuleList)
+        for ModuleFile in ModuleSet:
+            ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
+            AllModulePcds = AllModulePcds | ModuleData.PcdsName
+        for ModuleFile in self.LibraryInstances:
+            ModuleData = self._Bdb.CreateBuildObject(ModuleFile, self._Arch, self._Target, self._Toolchain)
+            AllModulePcds = AllModulePcds | ModuleData.PcdsName
+        return AllModulePcds
+
+    #Filter the StrucutrePcd that is not used by any module in dsc file and fdf file.
+    def FilterStrcturePcd(self, S_pcd_set):
+        UnusedStruPcds = set(S_pcd_set.keys()) - self.PlatformUsedPcds
+        for (Token, TokenSpaceGuid) in UnusedStruPcds:
+            del S_pcd_set[(Token, TokenSpaceGuid)]
 
     ## Retrieve non-dynamic PCD settings
     #
@@ -1604,7 +1702,7 @@ class DscBuildData(PlatformBuildClassObject):
         AvailableSkuIdSet = copy.copy(self.SkuIds)
 
         PcdDict = tdict(True, 4)
-        PcdSet = set()
+        PcdList = []
         # Find out all possible PCD candidates for self._Arch
         RecordList = self._RawData[Type, self._Arch]
         PcdValueDict = OrderedDict()
@@ -1615,11 +1713,11 @@ class DscBuildData(PlatformBuildClassObject):
                 EdkLogger.error('build ', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                             File=self.MetaFile, Line=Dummy5)
             if SkuName in (self.SkuIdMgr.SystemSkuId, TAB_DEFAULT, TAB_COMMON):
-                if "." not in TokenSpaceGuid and "[" not in PcdCName:
-                    PcdSet.add((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
+                if "." not in TokenSpaceGuid and "[" not in PcdCName and (PcdCName, TokenSpaceGuid, SkuName, Dummy5) not in PcdList:
+                    PcdList.append((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
                 PcdDict[Arch, PcdCName, TokenSpaceGuid, SkuName] = Setting
 
-        for PcdCName, TokenSpaceGuid, SkuName, Dummy4 in PcdSet:
+        for PcdCName, TokenSpaceGuid, SkuName, Dummy4 in PcdList:
             Setting = PcdDict[self._Arch, PcdCName, TokenSpaceGuid, SkuName]
             if Setting is None:
                 continue
@@ -1632,17 +1730,17 @@ class DscBuildData(PlatformBuildClassObject):
                     EdkLogger.error('build', FORMAT_INVALID, "The size value can't be set to negative value for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                     File=self.MetaFile, Line=Dummy4)
             if (PcdCName, TokenSpaceGuid) in PcdValueDict:
-                PcdValueDict[PcdCName, TokenSpaceGuid][SkuName] = (PcdValue, DatumType, MaxDatumSize)
+                PcdValueDict[PcdCName, TokenSpaceGuid][SkuName] = (PcdValue, DatumType, MaxDatumSize,Dummy4)
             else:
-                PcdValueDict[PcdCName, TokenSpaceGuid] = {SkuName:(PcdValue, DatumType, MaxDatumSize)}
+                PcdValueDict[PcdCName, TokenSpaceGuid] = {SkuName:(PcdValue, DatumType, MaxDatumSize,Dummy4)}
 
-        for ((PcdCName, TokenSpaceGuid), PcdSetting) in PcdValueDict.iteritems():
+        for ((PcdCName, TokenSpaceGuid), PcdSetting) in PcdValueDict.items():
             if self.SkuIdMgr.SystemSkuId in PcdSetting:
-                PcdValue, DatumType, MaxDatumSize = PcdSetting[self.SkuIdMgr.SystemSkuId]
+                PcdValue, DatumType, MaxDatumSize,_ = PcdSetting[self.SkuIdMgr.SystemSkuId]
             elif TAB_DEFAULT in PcdSetting:
-                PcdValue, DatumType, MaxDatumSize = PcdSetting[TAB_DEFAULT]
+                PcdValue, DatumType, MaxDatumSize,_  = PcdSetting[TAB_DEFAULT]
             elif TAB_COMMON in PcdSetting:
-                PcdValue, DatumType, MaxDatumSize = PcdSetting[TAB_COMMON]
+                PcdValue, DatumType, MaxDatumSize,_  = PcdSetting[TAB_COMMON]
             else:
                 PcdValue = None
                 DatumType = None
@@ -1664,12 +1762,15 @@ class DscBuildData(PlatformBuildClassObject):
                 Settings = PcdValueDict[PcdCName, TokenSpaceGuid][SkuName]
                 if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                     Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
+                    Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName] = {}
                 Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][TAB_DEFAULT_STORES_DEFAULT] = Settings[0]
+                Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName][TAB_DEFAULT_STORES_DEFAULT] = (self.MetaFile.File,Settings[3])
         return Pcds
 
-    def GetStructurePcdMaxSize(self, str_pcd):
+    @staticmethod
+    def GetStructurePcdMaxSize(str_pcd):
         pcd_default_value = str_pcd.DefaultValue
-        sku_values = [skuobj.HiiDefaultValue if str_pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]] else skuobj.DefaultValue for skuobj in str_pcd.SkuInfoList.values()]
+        sku_values = [skuobj.HiiDefaultValue if str_pcd.Type in [DscBuildData._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], DscBuildData._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]] else skuobj.DefaultValue for skuobj in str_pcd.SkuInfoList.values()]
         sku_values.append(pcd_default_value)
 
         def get_length(value):
@@ -1681,7 +1782,10 @@ class DscBuildData(PlatformBuildClassObject):
                     return len(Value[2:-1])
                 if Value[0] == '"' and Value[-1] == '"':
                     return len(Value) - 2
-                if Value[0] == '{' and Value[-1] == '}':
+                if Value.strip().startswith("{CODE("):
+                    tmpValue = RemoveCComments(Value)
+                    return len(tmpValue.split(","))
+                if (Value[0] == '{' and Value[-1] == '}'):
                     return len(Value.split(","))
                 if Value.startswith("L'") and Value.endswith("'") and len(list(Value[2:-1])) > 1:
                     return  len(list(Value[2:-1]))
@@ -1698,7 +1802,7 @@ class DscBuildData(PlatformBuildClassObject):
         except:
             EdkLogger.error('Build', COMMAND_FAILURE, 'Can not execute command: %s' % Command)
         Result = Process.communicate()
-        return Process.returncode, Result[0], Result[1]
+        return Process.returncode, Result[0].decode(errors='ignore'), Result[1].decode(errors='ignore')
 
     @staticmethod
     def IntToCString(Value, ValueSize):
@@ -1713,25 +1817,47 @@ class DscBuildData(PlatformBuildClassObject):
     def GenerateSizeFunction(self, Pcd):
         CApp = "// Default Value in Dec \n"
         CApp = CApp + "void Cal_%s_%s_Size(UINT32 *Size){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
-        if Pcd.IsArray():
-            if (len(Pcd.Capacity) == 1 and Pcd.Capacity[0] != '0') or (len(Pcd.Capacity) >1 and reduce(lambda x,y:int(x)*int(y), Pcd.Capacity)) > 0:
-                CApp += "  *Size = (sizeof (%s) * (%s) > *Size) ? sizeof (%s) * (%s): *Size; \n" % (Pcd.BaseDatumType, "*".join(Pcd.Capacity),Pcd.BaseDatumType, "*".join(Pcd.Capacity))
+
+        if Pcd.IsArray() and Pcd.Capacity[-1] != "-1":
+            CApp += "  *Size = (sizeof (%s) > *Size ? sizeof (%s) : *Size);\n" % (Pcd.DatumType,Pcd.DatumType)
+        else:
             if "{CODE(" in Pcd.DefaultValueFromDec:
                 CApp += "  *Size = (sizeof (%s_%s_INIT_Value) > *Size ? sizeof (%s_%s_INIT_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,Pcd.TokenSpaceGuidCName,Pcd.TokenCName)
-            for skuname in Pcd.SkuInfoList:
-                skuobj = Pcd.SkuInfoList[skuname]
-                if skuobj.VariableName:
-                    for defaultstore in skuobj.DefaultStoreDict:
-                        CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore)
-                else:
-                    CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT)
+            if Pcd.Type in PCD_DYNAMIC_TYPE_SET | PCD_DYNAMIC_EX_TYPE_SET:
+                for skuname in Pcd.SkuInfoList:
+                    skuobj = Pcd.SkuInfoList[skuname]
+                    if skuobj.VariableName:
+                        for defaultstore in skuobj.DefaultStoreDict:
+                            pcddef = self.GetPcdDscRawDefaultValue(Pcd,skuname,defaultstore)
+                            if pcddef:
+                                if "{CODE(" in pcddef:
+                                    CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore)
+                                else:
+                                    CApp += "  *Size = %s > *Size ? %s : *Size;\n" % (self.GetStructurePcdMaxSize(Pcd),self.GetStructurePcdMaxSize(Pcd))
+                    else:
+                        pcddef = self.GetPcdDscRawDefaultValue(Pcd,skuname,TAB_DEFAULT_STORES_DEFAULT)
+                        if pcddef:
+                            if  "{CODE(" in pcddef:
+                                CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT)
+                            else:
+                                CApp += "  *Size = %s > *Size ? %s : *Size;\n" % (self.GetStructurePcdMaxSize(Pcd),self.GetStructurePcdMaxSize(Pcd))
+            else:
+                pcddef = self.GetPcdDscRawDefaultValue(Pcd,TAB_DEFAULT,TAB_DEFAULT_STORES_DEFAULT)
+                if pcddef:
+                    if "{CODE(" in pcddef:
+                        CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,TAB_DEFAULT,TAB_DEFAULT_STORES_DEFAULT,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,TAB_DEFAULT,TAB_DEFAULT_STORES_DEFAULT)
+                    else:
+                        CApp += "  *Size = %s > *Size ? %s : *Size;\n" % (self.GetStructurePcdMaxSize(Pcd),self.GetStructurePcdMaxSize(Pcd))
+        ActualCap = []
         for index in Pcd.DefaultValues:
+            if index:
+                ActualCap.append(index)
             FieldList = Pcd.DefaultValues[index]
             if not FieldList:
                 continue
             for FieldName in FieldList:
                 FieldName = "." + FieldName
-                IsArray = IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
+                IsArray = _IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
                 if IsArray and not (FieldList[FieldName.strip(".")][0].startswith('{GUID') and FieldList[FieldName.strip(".")][0].endswith('}')):
                     try:
                         Value = ValueExpressionEx(FieldList[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
@@ -1739,30 +1865,38 @@ class DscBuildData(PlatformBuildClassObject):
                         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]))
                     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]);
+                    if not Pcd.IsArray():
+                        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]);
                 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])
+                        Array_Index = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                         FieldName = FieldName.split(']', 1)[1]
                     FieldName = NewFieldName + FieldName
-                    while '[' in FieldName:
+                    while '[' in FieldName and not Pcd.IsArray():
                         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("."), Array_Index + 1, FieldList[FieldName_ori][1], FieldList[FieldName_ori][2], FieldList[FieldName_ori][0])
+        flexisbale_size_statement_cache = set()
         for skuname in Pcd.SkuOverrideValues:
             if skuname == TAB_COMMON:
                 continue
             for defaultstorenameitem in Pcd.SkuOverrideValues[skuname]:
                 CApp = CApp + "// SkuName: %s,  DefaultStoreName: %s \n" % (skuname, defaultstorenameitem)
                 for index in Pcd.SkuOverrideValues[skuname][defaultstorenameitem]:
+                    if index:
+                        ActualCap.append(index)
                     for FieldList in [Pcd.SkuOverrideValues[skuname][defaultstorenameitem][index]]:
                         if not FieldList:
                             continue
                         for FieldName in FieldList:
+                            fieldinfo = tuple(FieldList[FieldName])
+                            if fieldinfo in flexisbale_size_statement_cache:
+                                continue
+                            flexisbale_size_statement_cache.add(fieldinfo)
                             FieldName = "." + FieldName
-                            IsArray = IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
+                            IsArray = _IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
                             if IsArray and not (FieldList[FieldName.strip(".")][0].startswith('{GUID') and FieldList[FieldName.strip(".")][0].endswith('}')):
                                 try:
                                     Value = ValueExpressionEx(FieldList[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
@@ -1770,23 +1904,24 @@ class DscBuildData(PlatformBuildClassObject):
                                     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]))
                                 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]);
+                                if not Pcd.IsArray():
+                                    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]);
                             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])
+                                    Array_Index = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                                     FieldName = FieldName.split(']', 1)[1]
                                 FieldName = NewFieldName + FieldName
-                                while '[' in FieldName:
+                                while '[' in FieldName and not Pcd.IsArray():
                                     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("."), Array_Index + 1, FieldList[FieldName_ori][1], FieldList[FieldName_ori][2], FieldList[FieldName_ori][0])
         if Pcd.PcdFieldValueFromFdf:
             CApp = CApp + "// From fdf \n"
         for FieldName in Pcd.PcdFieldValueFromFdf:
             FieldName = "." + FieldName
-            IsArray = IsFieldValueAnArray(Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0])
+            IsArray = _IsFieldValueAnArray(Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0])
             if IsArray and not (Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0].startswith('{GUID') and Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0].endswith('}')):
                 try:
                     Value = ValueExpressionEx(Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
@@ -1794,23 +1929,24 @@ class DscBuildData(PlatformBuildClassObject):
                     EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                     (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName.strip('.'))), Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][1], Pcd.PcdFieldValueFromFdf[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("."), Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][1], Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][2], Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0]);
+                if not Pcd.IsArray():
+                    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.PcdFieldValueFromFdf[FieldName.strip(".")][1], Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][2], Pcd.PcdFieldValueFromFdf[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])
+                    Array_Index = 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 %s Value %s \n' % (Pcd.DatumType, FieldName.strip("."), ArrayIndex + 1, Pcd.PcdFieldValueFromFdf[FieldName_ori][1], Pcd.PcdFieldValueFromFdf[FieldName_ori][2], Pcd.PcdFieldValueFromFdf[FieldName_ori][0])
+                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // From %s Line %s Value %s \n' % (Pcd.DatumType, FieldName.strip("."), Array_Index + 1, Pcd.PcdFieldValueFromFdf[FieldName_ori][1], Pcd.PcdFieldValueFromFdf[FieldName_ori][2], Pcd.PcdFieldValueFromFdf[FieldName_ori][0])
         if Pcd.PcdFieldValueFromComm:
             CApp = CApp + "// From Command Line \n"
         for FieldName in Pcd.PcdFieldValueFromComm:
             FieldName = "." + FieldName
-            IsArray = IsFieldValueAnArray(Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0])
+            IsArray = _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(Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
@@ -1818,33 +1954,77 @@ class DscBuildData(PlatformBuildClassObject):
                     EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                     (".".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("."), Pcd.PcdFieldValueFromComm[FieldName.strip(".")][1], Pcd.PcdFieldValueFromComm[FieldName.strip(".")][2], Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0]);
+                if not Pcd.IsArray():
+                    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])
+                    Array_Index = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                     FieldName = FieldName.split(']', 1)[1]
                 FieldName = NewFieldName + FieldName
-                while '[' in FieldName:
+                while '[' in FieldName and not Pcd.IsArray():
                     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, Pcd.PcdFieldValueFromComm[FieldName_ori][1], Pcd.PcdFieldValueFromComm[FieldName_ori][2], Pcd.PcdFieldValueFromComm[FieldName_ori][0])
+                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // From %s Line %d Value %s \n' % (Pcd.DatumType, FieldName.strip("."), Array_Index + 1, Pcd.PcdFieldValueFromComm[FieldName_ori][1], Pcd.PcdFieldValueFromComm[FieldName_ori][2], Pcd.PcdFieldValueFromComm[FieldName_ori][0])
         if Pcd.GetPcdMaxSize():
             CApp = CApp + "  *Size = (%d > *Size ? %d : *Size); // The Pcd maxsize is %d \n" % (Pcd.GetPcdMaxSize(), Pcd.GetPcdMaxSize(), Pcd.GetPcdMaxSize())
+        ArraySizeByAssign = self.CalculateActualCap(ActualCap)
+        if ArraySizeByAssign > 1:
+            CApp = CApp + "  *Size = (%d > *Size ? %d : *Size); \n" % (ArraySizeByAssign, ArraySizeByAssign)
         CApp = CApp + "}\n"
         return CApp
+    def CalculateActualCap(self,ActualCap):
+        if not ActualCap:
+            return 1
+        maxsize = 1
+        for item in ActualCap:
+            index_elements = ArrayIndex.findall(item)
+            rt = 1
+            for index_e in index_elements:
+                index_num = index_e.lstrip("[").rstrip("]").strip()
+                if not index_num:
+                    # Not support flexiable pcd array assignment
+                    return 1
+                index_num = int(index_num,16) if index_num.startswith(("0x","0X")) else int(index_num)
+                rt = rt * (index_num+1)
+            if rt  >maxsize:
+                maxsize = rt
+
+        return maxsize
 
     @staticmethod
-    def GenerateSizeStatments(Pcd):
+    def GenerateSizeStatments(Pcd,skuname,defaultstorename):
         if Pcd.IsArray():
             r_datatype = [Pcd.BaseDatumType]
+            lastoneisEmpty = False
             for dem in Pcd.Capacity:
-                if dem == '0':
+                if lastoneisEmpty:
+                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s.  " %
+                                        (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName))))
+                if dem == '0' or dem == "-1":
                     r_datatype.append("[1]")
+                    lastoneisEmpty = True
                 else:
                     r_datatype.append("[" + dem + "]")
-            CApp = '  Size = sizeof(%s);\n' % ("".join(r_datatype))
+
+            if Pcd.Type in [MODEL_PCD_DYNAMIC_EX_HII, MODEL_PCD_DYNAMIC_HII]:
+                PcdDefValue = Pcd.SkuInfoList.get(skuname).DefaultStoreDict.get(defaultstorename)
+            elif Pcd.Type in [MODEL_PCD_DYNAMIC_EX_DEFAULT,MODEL_PCD_DYNAMIC_VPD,MODEL_PCD_DYNAMIC_DEFAULT,MODEL_PCD_DYNAMIC_EX_VPD]:
+                PcdDefValue = Pcd.SkuInfoList.get(skuname).DefaultValue
+            else:
+                PcdDefValue = Pcd.DefaultValue
+            if lastoneisEmpty:
+                if "{CODE(" not in PcdDefValue:
+                    sizebasevalue_plus = "(%s / sizeof(%s) + 1)" % ((DscBuildData.GetStructurePcdMaxSize(Pcd), Pcd.BaseDatumType))
+                    sizebasevalue = "(%s / sizeof(%s))" % ((DscBuildData.GetStructurePcdMaxSize(Pcd), Pcd.BaseDatumType))
+                    sizeof = "sizeof(%s)" % Pcd.BaseDatumType
+                    CApp = '  int ArraySize = %s %% %s ? %s : %s ;\n' % ( (DscBuildData.GetStructurePcdMaxSize(Pcd), sizeof, sizebasevalue_plus, sizebasevalue))
+                    CApp += '  Size = ArraySize * sizeof(%s); \n' % Pcd.BaseDatumType
+                else:
+                    CApp = "  Size = 0;\n"
+            else:
+                CApp = '  Size = sizeof(%s);\n' % ("".join(r_datatype) )
         else:
             CApp = '  Size = sizeof(%s);\n' % (Pcd.DatumType)
         CApp = CApp + '  Cal_%s_%s_Size(&Size);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
@@ -1858,7 +2038,7 @@ class DscBuildData(PlatformBuildClassObject):
         if index:
             indicator = "(Pcd"
             if len(pcd_capacity)>2:
-                for i in xrange(0,len(index_elements)):
+                for i in range(0,len(index_elements)):
                     index_ele = index_elements[i]
                     index_num = index_ele.strip("[").strip("]").strip()
                     if i == len(index_elements) -2:
@@ -1890,8 +2070,9 @@ class DscBuildData(PlatformBuildClassObject):
         CApp = CApp + "void Assign_%s_%s_Default_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.BaseDatumType)
         CApp = CApp + '  UINT32  FieldSize;\n'
         CApp = CApp + '  CHAR8   *Value;\n'
+        CApp = CApp + ' UINT32 PcdArraySize;\n'
         DefaultValueFromDec = Pcd.DefaultValueFromDec
-        IsArray = IsFieldValueAnArray(Pcd.DefaultValueFromDec)
+        IsArray = _IsFieldValueAnArray(Pcd.DefaultValueFromDec)
         if IsArray:
             try:
                 DefaultValueFromDec = ValueExpressionEx(Pcd.DefaultValueFromDec, TAB_VOID)(True)
@@ -1900,23 +2081,38 @@ class DscBuildData(PlatformBuildClassObject):
                                 (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, DefaultValueFromDec))
         DefaultValueFromDec = StringToArray(DefaultValueFromDec)
         Value, ValueSize = ParseFieldValue (DefaultValueFromDec)
-        if isinstance(Value, str):
-            CApp = CApp + '  Pcd = %s; // From DEC Default Value %s\n' % (Value, Pcd.DefaultValueFromDec)
-        elif IsArray:
-        #
-        # Use memcpy() to copy value into field
-        #
-            if "{CODE(" in Pcd.DefaultValueFromDec:
-                CApp = CApp + '  memcpy (Pcd, %s_%s_INIT_Value, sizeof(%s_%s_INIT_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+        if IsArray:
+            #
+            # Use memcpy() to copy value into field
+            #
+            if Pcd.IsArray():
+                pcdarraysize = Pcd.PcdArraySize()
+                if "{CODE(" in Pcd.DefaultValueFromDec:
+                    if Pcd.Capacity[-1] != "-1":
+                        CApp = CApp + '__STATIC_ASSERT(sizeof(%s_%s_INIT_Value) < %d * sizeof(%s), "Pcd %s.%s Value in Dec exceed the array capability %s"); // From  %s Line %s \n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,Pcd.DefaultValueFromDecInfo[0],Pcd.DefaultValueFromDecInfo[1])
+                    CApp = CApp + ' PcdArraySize = sizeof(%s_%s_INIT_Value);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+                    CApp = CApp + '  memcpy (Pcd, %s_%s_INIT_Value,PcdArraySize);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+                else:
+                    if Pcd.Capacity[-1] != "-1":
+                        CApp = CApp + '__STATIC_ASSERT(%d < %d * sizeof(%s), "Pcd %s.%s Value in Dec exceed the array capability %s"); // From %s Line %s \n' % (ValueSize,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,Pcd.DefaultValueFromDecInfo[0],Pcd.DefaultValueFromDecInfo[1])
+                    CApp = CApp + ' PcdArraySize = %d;\n' % ValueSize
+                    CApp = CApp + '  Value     = %s; // From DEC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultValueFromDec)
+                    CApp = CApp + '  memcpy (Pcd, Value, PcdArraySize);\n'
             else:
-                CApp = CApp + '  Value     = %s; // From DEC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultValueFromDec)
-                CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
+                if "{CODE(" in Pcd.DefaultValueFromDec:
+                    CApp = CApp + '  PcdArraySize = sizeof(%s_%s_INIT_Value);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+                    CApp = CApp + '  memcpy (Pcd, &%s_%s_INIT_Value,PcdArraySize);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+                else:
+                    CApp = CApp + '  Value     = %s; // From DEC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultValueFromDec)
+                    CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
+        elif isinstance(Value, str):
+            CApp = CApp + '  Pcd = %s; // From DEC Default Value %s\n' % (Value, Pcd.DefaultValueFromDec)
         for index in Pcd.DefaultValues:
             FieldList = Pcd.DefaultValues[index]
             if not FieldList:
                 continue
             for FieldName in FieldList:
-                IsArray = IsFieldValueAnArray(FieldList[FieldName][0])
+                IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                 if IsArray:
                     try:
                         FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
@@ -1930,18 +2126,16 @@ class DscBuildData(PlatformBuildClassObject):
                     EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " % (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
 
                 indicator = self.GetIndicator(index, FieldName,Pcd)
-                if isinstance(Value, str):
-                    CApp = CApp + '  %s = %s; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                elif IsArray:
+                if IsArray:
                     #
                     # Use memcpy() to copy value into field
                     #
-                    CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.DatumType, FieldName)
+                    CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                     CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName, ValueSize, Pcd.DatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                    CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
+                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                     CApp = CApp + '  memcpy (&%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (indicator, ValueSize, ValueSize)
-
+                elif isinstance(Value, str):
+                    CApp = CApp + '  %s = %s; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                 else:
                     if '[' in FieldName and ']' in FieldName:
                         Index = int(FieldName.split('[')[1].split(']')[0])
@@ -1958,25 +2152,44 @@ class DscBuildData(PlatformBuildClassObject):
         CApp = '  Assign_%s_%s_Default_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
         return CApp
 
+    def GetPcdDscRawDefaultValue(self,Pcd, SkuName,DefaultStoreName):
+        if Pcd.Type in PCD_DYNAMIC_TYPE_SET or Pcd.Type in PCD_DYNAMIC_EX_TYPE_SET:
+            if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT):
+                pcddefaultvalue = Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT) if Pcd.DefaultFromDSC else None
+            else:
+                pcddefaultvalue = Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName)
+        else:
+            pcddefaultvalue = Pcd.DscRawValue.get(SkuName, {}).get(TAB_DEFAULT_STORES_DEFAULT)
+
+        return pcddefaultvalue
+    def GetPcdDscRawValueInfo(self,Pcd, SkuName,DefaultStoreName):
+        DscValueInfo = Pcd.DscRawValueInfo.get(SkuName, {}).get(DefaultStoreName)
+        if DscValueInfo:
+            dscfilepath,lineno = DscValueInfo
+        else:
+            dscfilepath = self.MetaFile.File
+            lineno = ""
+        return dscfilepath,lineno
+
     def GenerateInitValueFunction(self, Pcd, SkuName, DefaultStoreName):
         CApp = "// Value in Dsc for Sku: %s, DefaultStore %s\n" % (SkuName, DefaultStoreName)
         CApp = CApp + "void Assign_%s_%s_%s_%s_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, SkuName, DefaultStoreName, Pcd.BaseDatumType)
         CApp = CApp + '  UINT32  FieldSize;\n'
         CApp = CApp + '  CHAR8   *Value;\n'
+        CApp = CApp + ' UINT32 PcdArraySize;\n'
 
         CApp = CApp + "// SkuName: %s,  DefaultStoreName: %s \n" % (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT)
         inherit_OverrideValues = Pcd.SkuOverrideValues[SkuName]
-        if Pcd.Type in PCD_DYNAMIC_TYPE_SET or Pcd.Type in PCD_DYNAMIC_EX_TYPE_SET:
-            if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT):
-                pcddefaultvalue = Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT) if Pcd.DefaultFromDSC else None
-            else:
-                pcddefaultvalue = Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName)
+        dscfilepath,lineno = self.GetPcdDscRawValueInfo(Pcd, SkuName, DefaultStoreName)
+        if lineno:
+            valuefrom = "%s Line %s" % (dscfilepath,str(lineno))
         else:
-            pcddefaultvalue = Pcd.DscRawValue.get(SkuName, {}).get(TAB_DEFAULT_STORES_DEFAULT)
+            valuefrom = dscfilepath
 
+        pcddefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, SkuName, DefaultStoreName)
         if pcddefaultvalue:
             FieldList = pcddefaultvalue
-            IsArray = IsFieldValueAnArray(FieldList)
+            IsArray = _IsFieldValueAnArray(FieldList)
             if IsArray:
                 if "{CODE(" not in FieldList:
                     try:
@@ -1989,33 +2202,71 @@ class DscBuildData(PlatformBuildClassObject):
             if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT):
                 if isinstance(Value, str):
                     if "{CODE(" in Value:
-                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        if Pcd.IsArray() and Pcd.Capacity[-1] != "-1":
+                            pcdarraysize = Pcd.PcdArraySize()
+                            CApp = CApp + '__STATIC_ASSERT(sizeof(%s_%s_%s_%s_Value) < %d * sizeof(%s), "Pcd %s.%s Value in Dsc exceed the array capability %s"); // From %s \n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType, valuefrom)
+                        CApp = CApp+ ' PcdArraySize = sizeof(%s_%s_%s_%s_Value);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        CApp = CApp + '  memcpy (Pcd, &%s_%s_%s_%s_Value,PcdArraySize);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
                     else:
                         CApp = CApp + '  Pcd = %s; // From DSC Default Value %s\n' % (Value, Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
                 elif IsArray:
-                #
-                # Use memcpy() to copy value into field
-                #
+                    #
+                    # Use memcpy() to copy value into field
+                    #
                     if Pcd.IsArray():
-                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        pcdarraysize = Pcd.PcdArraySize()
+                        if "{CODE(" in pcddefaultvalue:
+                            if Pcd.Capacity[-1] != "-1":
+                                CApp = CApp + '__STATIC_ASSERT(sizeof(%s_%s_%s_%s_Value) < %d * sizeof(%s), "Pcd %s.%s Value in Dsc exceed the array capability %s"); // From  %s \n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,valuefrom)
+                            CApp = CApp + ' PcdArraySize = sizeof(%s_%s_%s_%s_Value);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                            CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, PcdArraySize);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        else:
+                            if Pcd.Capacity[-1] != "-1":
+                                CApp = CApp + '__STATIC_ASSERT(%d < %d * sizeof(%s), "Pcd %s.%s Value in Dsc exceed the array capability %s"); // From  %s \n' % (ValueSize,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,valuefrom)
+                            CApp = CApp + ' PcdArraySize = %d;\n' % ValueSize
+                            CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
+                            CApp = CApp + '  memcpy (Pcd, Value, PcdArraySize);\n'
                     else:
-                        CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
-                        CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
+                        if "{CODE(" in pcddefaultvalue:
+                            CApp = CApp + '  PcdArraySize = %d < sizeof(%s) * %d ? %d: sizeof(%s) * %d;\n ' % (ValueSize,Pcd.BaseDatumType,pcdarraysize,ValueSize,Pcd.BaseDatumType,pcdarraysize)
+                            CApp = CApp + '  memcpy (Pcd, &%s_%s_%s_%s_Value, PcdArraySize);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        else:
+                            CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
+                            CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
             else:
                 if isinstance(Value, str):
                     if "{CODE(" in Value:
-                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        if Pcd.IsArray() and Pcd.Capacity[-1] != "-1":
+                            pcdarraysize = Pcd.PcdArraySize()
+                            CApp = CApp + '__STATIC_ASSERT(sizeof(%s_%s_%s_%s_Value) < %d * sizeof(%s), "Pcd %s.%s Value in Dsc exceed the array capability %s"); // From %s \n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,valuefrom)
+                        CApp = CApp + ' PcdArraySize = sizeof(%s_%s_%s_%s_Value);\n '% (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        CApp = CApp + '  memcpy (Pcd, &%s_%s_%s_%s_Value, PcdArraySize);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
                     else:
                         CApp = CApp + '  Pcd = %s; // From DSC Default Value %s\n' % (Value, Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName))
                 elif IsArray:
-                #
-                # Use memcpy() to copy value into field
-                #
+                    #
+                    # Use memcpy() to copy value into field
+                    #
                     if Pcd.IsArray():
-                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        pcdarraysize = Pcd.PcdArraySize()
+                        if "{CODE(" in pcddefaultvalue:
+                            if Pcd.Capacity[-1] != "-1":
+                                CApp = CApp + '__STATIC_ASSERT(sizeof(%s_%s_%s_%s_Value) < %d * sizeof(%s), "Pcd %s.%s Value in Dsc exceed the array capability %s"); // From  %s \n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,valuefrom)
+                            CApp + ' PcdArraySize = sizeof(%s_%s_%s_%s_Value);\n ' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                            CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, PcdArraySize);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        else:
+                            if Pcd.Capacity[-1] != "-1":
+                                CApp = CApp + '__STATIC_ASSERT(%d < %d * sizeof(%s), "Pcd %s.%s Value in Dsc exceed the array capability %s"); // From  %s \n' % (ValueSize,pcdarraysize,Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.DatumType,valuefrom)
+                            CApp = CApp + ' PcdArraySize = %d;\n' % ValueSize
+                            CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DscRawValue.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
+                            CApp = CApp + '  memcpy (Pcd, Value, PcdArraySize);\n'
                     else:
-                        CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName))
-                        CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
+                        if "{CODE(" in pcddefaultvalue:
+                            CApp = CApp + '  PcdArraySize = %d < sizeof(%s) * %d ? %d: sizeof(%s) * %d;\n ' % (ValueSize,Pcd.BaseDatumType,pcdarraysize,ValueSize,Pcd.BaseDatumType,pcdarraysize)
+                            CApp = CApp + '  memcpy (Pcd, &%s_%s_%s_%s_Value, PcdArraySize);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
+                        else:
+                            CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName))
+                            CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
 
         inheritvalue = inherit_OverrideValues.get(DefaultStoreName)
         if not inheritvalue:
@@ -2027,7 +2278,7 @@ class DscBuildData(PlatformBuildClassObject):
             if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT) or (( (SkuName, '') not in Pcd.ValueChain) and ( (SkuName, DefaultStoreName) not in Pcd.ValueChain )):
                 for FieldName in FieldList:
                     indicator = self.GetIndicator(index, FieldName,Pcd)
-                    IsArray = IsFieldValueAnArray(FieldList[FieldName][0])
+                    IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                     if IsArray:
                         try:
                             FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
@@ -2046,8 +2297,7 @@ class DscBuildData(PlatformBuildClassObject):
                     #
                         CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                         CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                        CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName, ValueSize, Pcd.DatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                        CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
+                        CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                         CApp = CApp + '  memcpy (&%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (indicator, ValueSize, ValueSize)
                     else:
                         if '[' in FieldName and ']' in FieldName:
@@ -2076,7 +2326,7 @@ class DscBuildData(PlatformBuildClassObject):
             if not FieldList:
                 continue
             if pcddefaultvalue and FieldList == pcddefaultvalue:
-                IsArray = IsFieldValueAnArray(FieldList)
+                IsArray = _IsFieldValueAnArray(FieldList)
                 if IsArray:
                     try:
                         FieldList = ValueExpressionEx(FieldList, TAB_VOID)(True)
@@ -2095,7 +2345,7 @@ class DscBuildData(PlatformBuildClassObject):
                     CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
                 continue
             for FieldName in FieldList:
-                IsArray = IsFieldValueAnArray(FieldList[FieldName][0])
+                IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                 if IsArray:
                     try:
                         FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
@@ -2116,7 +2366,7 @@ class DscBuildData(PlatformBuildClassObject):
                 #
                     CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                     CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName, ValueSize, Pcd.DatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                     CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
                 else:
                     if '[' in FieldName and ']' in FieldName:
@@ -2129,6 +2379,75 @@ class DscBuildData(PlatformBuildClassObject):
         CApp = CApp + "}\n"
         return CApp
 
+    def GenerateModuleScopeValue(self, Pcd):
+        CApp = "// Value in Dsc Module scope \n"
+        for ModuleGuid in Pcd.PcdFiledValueFromDscComponent:
+
+            CApp = CApp + "void Assign_%s_%s_%s_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, ModuleGuid,Pcd.BaseDatumType)
+            CApp = CApp + '  UINT32  FieldSize;\n'
+            CApp = CApp + '  CHAR8   *Value;\n'
+            pcddefaultvalue, file_path,lineNo = Pcd.PcdValueFromComponents.get(ModuleGuid,(None,None,None))
+
+            if pcddefaultvalue:
+                IsArray = _IsFieldValueAnArray(pcddefaultvalue)
+                if IsArray:
+                    try:
+                        FieldList = ValueExpressionEx(pcddefaultvalue, TAB_VOID)(True)
+                    except BadExpression:
+                        EdkLogger.error("Build", FORMAT_INVALID, "Invalid value format for %s.%s, from %s Line %s: %s" %
+                                        (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, file_path, lineNo, FieldList))
+                Value, ValueSize = ParseFieldValue (FieldList)
+
+                if isinstance(Value, str):
+                    CApp = CApp + '  Pcd = %s; // From %s Line %s \n' % (Value, file_path, lineNo)
+                elif IsArray:
+                #
+                # Use memcpy() to copy value into field
+                #
+                    CApp = CApp + '  Value     = %s; // From %s Line %s.\n' % (DscBuildData.IntToCString(Value, ValueSize), file_path, lineNo)
+                    CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
+
+
+            PcdFiledValue = Pcd.PcdFiledValueFromDscComponent.get(ModuleGuid)
+            for index in PcdFiledValue:
+                FieldList = PcdFiledValue[index]
+                if not FieldList:
+                    continue
+                for FieldName in FieldList:
+                    IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
+                    if IsArray:
+                        try:
+                            FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_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)), FieldList[FieldName][1], FieldList[FieldName][2]))
+                        except:
+                            print("error")
+                    try:
+                        Value, ValueSize = ParseFieldValue (FieldList[FieldName][0])
+                    except Exception:
+                        EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " % (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
+                    if isinstance(Value, str):
+                        CApp = CApp + '  Pcd->%s = %s; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+                    elif IsArray:
+                    #
+                    # Use memcpy() to copy value into field
+                    #
+                        CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
+                        CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+                        CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+                        CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
+                    else:
+                        if '[' in FieldName and ']' in FieldName:
+                            Index = int(FieldName.split('[')[1].split(']')[0])
+                            CApp = CApp + '  __STATIC_ASSERT((%d < __ARRAY_SIZE(Pcd->%s)) || (__ARRAY_SIZE(Pcd->%s) == 0), "array index exceeds the array number"); // From %s Line %d Index of %s\n' % (Index, FieldName.split('[')[0], FieldName.split('[')[0], FieldList[FieldName][1], FieldList[FieldName][2], FieldName)
+                        if ValueSize > 4:
+                            CApp = CApp + '  Pcd->%s = %dULL; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+                        else:
+                            CApp = CApp + '  Pcd->%s = %d; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+            CApp = CApp + "}\n"
+        return CApp
+
     @staticmethod
     def GenerateCommandLineValueStatement(Pcd):
         CApp = '  Assign_%s_%s_CommandLine_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
@@ -2144,7 +2463,7 @@ class DscBuildData(PlatformBuildClassObject):
             if not FieldList:
                 continue
             if pcddefaultvalue and FieldList == pcddefaultvalue:
-                IsArray = IsFieldValueAnArray(FieldList)
+                IsArray = _IsFieldValueAnArray(FieldList)
                 if IsArray:
                     try:
                         FieldList = ValueExpressionEx(FieldList, TAB_VOID)(True)
@@ -2163,7 +2482,7 @@ class DscBuildData(PlatformBuildClassObject):
                     CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
                 continue
             for FieldName in FieldList:
-                IsArray = IsFieldValueAnArray(FieldList[FieldName][0])
+                IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                 if IsArray:
                     try:
                         FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
@@ -2184,7 +2503,7 @@ class DscBuildData(PlatformBuildClassObject):
                 #
                     CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                     CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
-                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName, ValueSize, Pcd.DatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
+                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                     CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
                 else:
                     if '[' in FieldName and ']' in FieldName:
@@ -2202,6 +2521,85 @@ class DscBuildData(PlatformBuildClassObject):
         CApp = '  Assign_%s_%s_Fdf_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
         return CApp
 
+    @staticmethod
+    def GenerateModuleValueStatement(module_guid, Pcd):
+        CApp = "  Assign_%s_%s_%s_Value(Pcd);\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, module_guid)
+        return CApp
+    def GenerateModuleScopeInitializeFunc(self,SkuName, Pcd,  InitByteValue, CApp):
+        for module_guid in Pcd.PcdFiledValueFromDscComponent:
+            CApp = CApp + 'void\n'
+            CApp = CApp + 'Initialize_%s_%s_%s_%s(\n' % (module_guid, TAB_DEFAULT_STORES_DEFAULT, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+            CApp = CApp + '  void\n'
+            CApp = CApp + '  )\n'
+            CApp = CApp + '{\n'
+            CApp = CApp + '  UINT32  Size;\n'
+            CApp = CApp + '  UINT32  FieldSize;\n'
+            CApp = CApp + '  CHAR8   *Value;\n'
+            CApp = CApp + '  UINT32  OriginalSize;\n'
+            CApp = CApp + '  VOID    *OriginalPcd;\n'
+
+            CApp = CApp + '  %s      *Pcd;  // From %s Line %d \n' % (Pcd.BaseDatumType,Pcd.PkgPath, Pcd.PcdDefineLineNo)
+
+            CApp = CApp + '\n'
+
+            PcdDefaultValue = StringToArray(Pcd.DefaultValueFromDec.strip())
+            InitByteValue += '%s.%s.%s.%s|%s|%s\n' % (module_guid, TAB_DEFAULT_STORES_DEFAULT, Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.DatumType, PcdDefaultValue)
+            #
+            # Get current PCD value and size
+            #
+            CApp = CApp + '  OriginalPcd = PcdGetPtr (%s, %s, %s, %s, &OriginalSize);\n' % (module_guid, TAB_DEFAULT_STORES_DEFAULT, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+
+            #
+            # Determine the size of the PCD.  For simple structures, sizeof(TYPE) provides
+            # the correct value.  For structures with a flexible array member, the flexible
+            # array member is detected, and the size is based on the highest index used with
+            # the flexible array member.  The flexible array member must be the last field
+            # in a structure.  The size formula for this case is:
+            # OFFSET_OF(FlexbleArrayField) + sizeof(FlexibleArray[0]) * (HighestIndex + 1)
+            #
+            CApp = CApp + DscBuildData.GenerateSizeStatments(Pcd,SkuName,TAB_DEFAULT_STORES_DEFAULT)
+            if Pcd.IsArray() and Pcd.Capacity[-1] != "-1":
+                CApp = CApp + '  OriginalSize = OriginalSize < sizeof(%s) * %d? OriginalSize:sizeof(%s) * %d; \n' % (Pcd.BaseDatumType,Pcd.PcdArraySize(),Pcd.BaseDatumType,Pcd.PcdArraySize())
+                CApp = CApp + '  Size = sizeof(%s) * %d; \n' % (Pcd.BaseDatumType,Pcd.PcdArraySize())
+
+            #
+            # Allocate and zero buffer for the PCD
+            # Must handle cases where current value is smaller, larger, or same size
+            # Always keep that larger one as the current size
+            #
+            CApp = CApp + '  Size = (OriginalSize > Size ? OriginalSize : Size);\n'
+            CApp = CApp + '  Pcd     = (%s *)malloc (Size);\n' % (Pcd.BaseDatumType,)
+            CApp = CApp + '  memset (Pcd, 0, Size);\n'
+
+            #
+            # Copy current PCD value into allocated buffer.
+            #
+            CApp = CApp + '  memcpy (Pcd, OriginalPcd, OriginalSize);\n'
+
+            #
+            # Assign field values in PCD
+            #
+            CApp = CApp + DscBuildData.GenerateDefaultValueAssignStatement(Pcd)
+
+            CApp = CApp + "// SkuName: %s,  DefaultStoreName: STANDARD \n" % self.SkuIdMgr.SystemSkuId
+            CApp = CApp + DscBuildData.GenerateInitValueStatement(Pcd, self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT)
+            CApp = CApp + DscBuildData.GenerateModuleValueStatement(module_guid,Pcd)
+            CApp = CApp + DscBuildData.GenerateFdfValueStatement(Pcd)
+            CApp = CApp + DscBuildData.GenerateCommandLineValueStatement(Pcd)
+
+            #
+            # Set new PCD value and size
+            #
+            CApp = CApp + '  PcdSetPtr (%s, %s, %s, %s, Size, (void *)Pcd);\n' % (module_guid, TAB_DEFAULT_STORES_DEFAULT, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+
+            #
+            # Free PCD
+            #
+            CApp = CApp + '  free (Pcd);\n'
+            CApp = CApp + '}\n'
+            CApp = CApp + '\n'
+        return InitByteValue,CApp
+
     def GenerateInitializeFunc(self, SkuName, DefaultStore, Pcd, InitByteValue, CApp):
         OverrideValues = {DefaultStore:{}}
         if Pcd.SkuOverrideValues:
@@ -2226,7 +2624,7 @@ class DscBuildData(PlatformBuildClassObject):
 
             PcdDefaultValue = StringToArray(Pcd.DefaultValueFromDec.strip())
 
-            InitByteValue += '%s.%s.%s.%s|%s|%s\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.BaseDatumType, PcdDefaultValue)
+            InitByteValue += '%s.%s.%s.%s|%s|%s\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.DatumType, PcdDefaultValue)
 
             #
             # Get current PCD value and size
@@ -2241,7 +2639,10 @@ class DscBuildData(PlatformBuildClassObject):
             # in a structure.  The size formula for this case is:
             # OFFSET_OF(FlexbleArrayField) + sizeof(FlexibleArray[0]) * (HighestIndex + 1)
             #
-            CApp = CApp + DscBuildData.GenerateSizeStatments(Pcd)
+            CApp = CApp + DscBuildData.GenerateSizeStatments(Pcd,SkuName,DefaultStoreName)
+            if Pcd.IsArray() and Pcd.Capacity[-1] != "-1":
+                CApp = CApp + '  OriginalSize = OriginalSize < sizeof(%s) * %d? OriginalSize:sizeof(%s) * %d; \n' % (Pcd.BaseDatumType,Pcd.PcdArraySize(),Pcd.BaseDatumType,Pcd.PcdArraySize())
+                CApp = CApp + '  Size = sizeof(%s) * %d; \n' % (Pcd.BaseDatumType,Pcd.PcdArraySize())
 
             #
             # Allocate and zero buffer for the PCD
@@ -2292,34 +2693,42 @@ class DscBuildData(PlatformBuildClassObject):
         CApp = ""
         if not Pcd:
             return CApp
-        if not Pcd.IsArray():
-            return CApp
         Demesion = ""
         for d in Pcd.Capacity:
-            if d == "0":
-                Demesion += "[]"
-            else:
-                Demesion += "["+d+"]"
+            Demesion += "[]"
 
         Value = Pcd.DefaultValueFromDec
         if "{CODE(" in Pcd.DefaultValueFromDec:
             realvalue = Pcd.DefaultValueFromDec.strip()[6:-2] # "{CODE(").rstrip(")}"
             CApp += "static %s %s_%s_INIT_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,Demesion,realvalue)
 
-        for skuname in Pcd.SkuInfoList:
-            skuinfo = Pcd.SkuInfoList[skuname]
-            if skuinfo.VariableName:
-                for defaultstore in skuinfo.DefaultStoreDict:
-                    Value = skuinfo[defaultstore]
-                    if "{CODE(" in Value:
-                        realvalue = Value.strip()[6:-2] # "{CODE(").rstrip(")}"
-                        CApp += "static %s %s_%s_%s_%s_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore,Demesion,realvalue)
-            else:
-                Value = skuinfo.DefaultValue
-                if "{CODE(" in Value:
-                    realvalue = Value.strip()[6:-2] # "{CODE(").rstrip(")}"
-                    CApp += "static %s %s_%s_%s_%s_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT,Demesion,realvalue)
+        if Pcd.Type in PCD_DYNAMIC_TYPE_SET | PCD_DYNAMIC_EX_TYPE_SET:
+            for skuname in Pcd.SkuInfoList:
+                skuinfo = Pcd.SkuInfoList[skuname]
+                if skuinfo.VariableName:
+                    for defaultstore in skuinfo.DefaultStoreDict:
+                        pcddscrawdefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, skuname, defaultstore)
+                        if pcddscrawdefaultvalue:
+                            Value = skuinfo.DefaultStoreDict[defaultstore]
+                            if "{CODE(" in Value:
+                                realvalue = Value.strip()[6:-2] # "{CODE(").rstrip(")}"
+                                CApp += "static %s %s_%s_%s_%s_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore,Demesion,realvalue)
+                else:
+                    pcddscrawdefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, skuname, TAB_DEFAULT_STORES_DEFAULT)
+                    if pcddscrawdefaultvalue:
+                        Value = skuinfo.DefaultValue
+                        if "{CODE(" in Value:
+                            realvalue = Value.strip()[6:-2] # "{CODE(").rstrip(")}"
+                            CApp += "static %s %s_%s_%s_%s_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT,Demesion,realvalue)
+        else:
+            pcddscrawdefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT)
+            if pcddscrawdefaultvalue:
+                if "{CODE(" in Pcd.DefaultValue:
+                    realvalue = Pcd.DefaultValue.strip()[6:-2] # "{CODE(").rstrip(")}"
+                    CApp += "static %s %s_%s_DEFAULT_STANDARD_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,Demesion,realvalue)
+
         return CApp
+
     def SkuOverrideValuesEmpty(self,OverrideValues):
         if not OverrideValues:
             return True
@@ -2330,16 +2739,16 @@ class DscBuildData(PlatformBuildClassObject):
 
     def ParseCCFlags(self, ccflag):
         ccflags = set()
-        flag = ""
-        for ch in ccflag:
-            if ch in (r"/", "-"):
-                if flag.strip():
-                    ccflags.add(flag.strip())
-                flag = ch
-            else:
-                flag += ch
-        if flag.strip():
-            ccflags.add(flag.strip())
+        ccflaglist = ccflag.split(" ")
+        i = 0
+        while i < len(ccflaglist):
+            item = ccflaglist[i].strip()
+            if item in (r"/D", r"/U","-D","-U"):
+                ccflags.add(" ".join((ccflaglist[i],ccflaglist[i+1])))
+                i = i+1
+            elif item.startswith((r"/D", r"/U","-D","-U")):
+                ccflags.add(item)
+            i +=1
         return ccflags
     def GenerateByteArrayValue (self, StructuredPcds):
         #
@@ -2361,12 +2770,22 @@ class DscBuildData(PlatformBuildClassObject):
         CApp = CApp + '\n'
         for Pcd in StructuredPcds.values():
             CApp = CApp + self.GenerateArrayAssignment(Pcd)
-        for PcdName in StructuredPcds:
+        for PcdName in sorted(StructuredPcds.keys()):
             Pcd = StructuredPcds[PcdName]
+
+            #create void void Cal_tocken_cname_Size functions
             CApp = CApp + self.GenerateSizeFunction(Pcd)
+
+            #create void Assign_ functions
+
+            # From DEC
             CApp = CApp + self.GenerateDefaultValueAssignFunction(Pcd)
+            # From Fdf
             CApp = CApp + self.GenerateFdfValue(Pcd)
+            # From CommandLine
             CApp = CApp + self.GenerateCommandLineValue(Pcd)
+
+            # From Dsc Global setting
             if self.SkuOverrideValuesEmpty(Pcd.SkuOverrideValues) or Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                         self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                 CApp = CApp + self.GenerateInitValueFunction(Pcd, self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT)
@@ -2376,9 +2795,15 @@ class DscBuildData(PlatformBuildClassObject):
                         continue
                     for DefaultStoreName in Pcd.SkuOverrideValues[SkuName]:
                         CApp = CApp + self.GenerateInitValueFunction(Pcd, SkuName, DefaultStoreName)
+
+            # From Dsc module scope setting
+            CApp = CApp + self.GenerateModuleScopeValue(Pcd)
+
+            #create Initialize_ functions
             if self.SkuOverrideValuesEmpty(Pcd.SkuOverrideValues) or Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                         self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                 InitByteValue, CApp = self.GenerateInitializeFunc(self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT, Pcd, InitByteValue, CApp)
+                InitByteValue, CApp =  self.GenerateModuleScopeInitializeFunc(self.SkuIdMgr.SystemSkuId,Pcd,InitByteValue,CApp)
             else:
                 for SkuName in self.SkuIdMgr.SkuOverrideOrder():
                     if SkuName not in Pcd.SkuOverrideValues:
@@ -2395,6 +2820,8 @@ class DscBuildData(PlatformBuildClassObject):
         for Pcd in StructuredPcds.values():
             if self.SkuOverrideValuesEmpty(Pcd.SkuOverrideValues) or Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD], self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                 CApp = CApp + '  Initialize_%s_%s_%s_%s();\n' % (self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
+                for ModuleGuid in Pcd.PcdFiledValueFromDscComponent:
+                    CApp += "  Initialize_%s_%s_%s_%s();\n" % (ModuleGuid,TAB_DEFAULT_STORES_DEFAULT ,Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
             else:
                 for SkuName in self.SkuIdMgr.SkuOverrideOrder():
                     if SkuName not in self.SkuIdMgr.AvailableSkuIdSet:
@@ -2410,13 +2837,14 @@ class DscBuildData(PlatformBuildClassObject):
         CAppBaseFileName = os.path.join(self.OutputPath, PcdValueInitName)
         SaveFileOnChange(CAppBaseFileName + '.c', CApp, False)
 
+        # start generating makefile
         MakeApp = PcdMakefileHeader
         if sys.platform == "win32":
-            MakeApp = MakeApp + 'APPFILE = %s\%s.exe\n' % (self.OutputPath, PcdValueInitName) + 'APPNAME = %s\n' % (PcdValueInitName) + 'OBJECTS = %s\%s.obj\n' % (self.OutputPath, PcdValueInitName) + 'INC = '
+            MakeApp = MakeApp + 'APPFILE = %s\%s.exe\n' % (self.OutputPath, PcdValueInitName) + 'APPNAME = %s\n' % (PcdValueInitName) + 'OBJECTS = %s\%s.obj %s.obj\n' % (self.OutputPath, PcdValueInitName, os.path.join(self.OutputPath, PcdValueCommonName)) + 'INC = '
         else:
             MakeApp = MakeApp + PcdGccMakefile
-            MakeApp = MakeApp + 'APPFILE = %s/%s\n' % (self.OutputPath, PcdValueInitName) + 'APPNAME = %s\n' % (PcdValueInitName) + 'OBJECTS = %s/%s.o\n' % (self.OutputPath, PcdValueInitName) + \
-                      'include $(MAKEROOT)/Makefiles/app.makefile\n' + 'INCLUDE +='
+            MakeApp = MakeApp + 'APPFILE = %s/%s\n' % (self.OutputPath, PcdValueInitName) + 'APPNAME = %s\n' % (PcdValueInitName) + 'OBJECTS = %s/%s.o %s.o\n' % (self.OutputPath, PcdValueInitName, os.path.join(self.OutputPath, PcdValueCommonName)) + \
+                      'include $(MAKEROOT)/Makefiles/app.makefile\n' + 'TOOL_INCLUDE +='
 
         IncSearchList = []
         PlatformInc = OrderedDict()
@@ -2442,6 +2870,22 @@ class DscBuildData(PlatformBuildClassObject):
             for pkg in PcdDependDEC:
                 if pkg in PlatformInc:
                     for inc in PlatformInc[pkg]:
+                        #
+                        # Get list of files in potential -I include path
+                        #
+                        FileList = os.listdir (str(inc))
+                        #
+                        # Skip -I include path if one of the include files required
+                        # by PcdValueInit.c are present in the include paths from
+                        # the DEC file.  PcdValueInit.c must use the standard include
+                        # files from the host compiler.
+                        #
+                        if 'stdio.h' in FileList:
+                          continue
+                        if 'stdlib.h' in FileList:
+                          continue
+                        if 'string.h' in FileList:
+                          continue
                         MakeApp += '-I'  + str(inc) + ' '
                         IncSearchList.append(inc)
         MakeApp = MakeApp + '\n'
@@ -2466,7 +2910,7 @@ class DscBuildData(PlatformBuildClassObject):
                     if 'COMMON' not in BuildOptions:
                         BuildOptions['COMMON'] = set()
                     if Arch == TAB_STAR:
-                        BuildOptions['COMMON'].add(self.BuildOptions[Options])
+                        BuildOptions['COMMON']|= self.ParseCCFlags(self.BuildOptions[Options])
                     if Arch in self.SupArchList:
                         if Arch not in BuildOptions:
                             BuildOptions[Arch] = set()
@@ -2475,12 +2919,13 @@ class DscBuildData(PlatformBuildClassObject):
         if BuildOptions:
             ArchBuildOptions = {arch:flags for arch,flags in BuildOptions.items() if arch != 'COMMON'}
             if len(ArchBuildOptions.keys()) == 1:
-                BuildOptions['COMMON'] |= (ArchBuildOptions.values()[0])
+                BuildOptions['COMMON'] |= (list(ArchBuildOptions.values())[0])
             elif len(ArchBuildOptions.keys()) > 1:
                 CommonBuildOptions = reduce(lambda x,y: x&y, ArchBuildOptions.values())
                 BuildOptions['COMMON'] |= CommonBuildOptions
-            ValueList = list(BuildOptions['COMMON'])
-            CC_FLAGS += " ".join([item for item in ValueList if item.startswith(('-D', '/D', '-U', '/U'))])
+            ValueList = [item for item in BuildOptions['COMMON'] if item.startswith((r"/U","-U"))]
+            ValueList.extend([item for item in BuildOptions['COMMON'] if item.startswith((r"/D", "-D"))])
+            CC_FLAGS += " ".join(ValueList)
         MakeApp += CC_FLAGS
 
         if sys.platform == "win32":
@@ -2497,16 +2942,25 @@ class DscBuildData(PlatformBuildClassObject):
                     IncludeFileFullPaths.append(os.path.normpath(includefullpath))
                     break
         SearchPathList = []
-        SearchPathList.append(os.path.normpath(mws.join(GlobalData.gWorkspace, "BaseTools/Source/C/Include")))
-        SearchPathList.append(os.path.normpath(mws.join(GlobalData.gWorkspace, "BaseTools/Source/C/Common")))
+        SearchPathList.append(os.path.normpath(mws.join(GlobalData.gGlobalDefines["EDK_TOOLS_PATH"], "BaseTools/Source/C/Include")))
+        SearchPathList.append(os.path.normpath(mws.join(GlobalData.gGlobalDefines["EDK_TOOLS_PATH"], "BaseTools/Source/C/Common")))
         SearchPathList.extend(str(item) for item in IncSearchList)
         IncFileList = GetDependencyList(IncludeFileFullPaths, SearchPathList)
         for include_file in IncFileList:
             MakeApp += "$(OBJECTS) : %s\n" % include_file
+        if sys.platform == "win32":
+            PcdValueCommonPath = os.path.normpath(mws.join(GlobalData.gGlobalDefines["EDK_TOOLS_PATH"], "Source\C\Common\PcdValueCommon.c"))
+            MakeApp = MakeApp + '%s\PcdValueCommon.c : %s\n' % (self.OutputPath, PcdValueCommonPath)
+            MakeApp = MakeApp + '\tcopy /y %s $@\n' % (PcdValueCommonPath)
+        else:
+            PcdValueCommonPath = os.path.normpath(mws.join(GlobalData.gGlobalDefines["EDK_TOOLS_PATH"], "Source/C/Common/PcdValueCommon.c"))
+            MakeApp = MakeApp + '%s/PcdValueCommon.c : %s\n' % (self.OutputPath, PcdValueCommonPath)
+            MakeApp = MakeApp + '\tcp -f %s %s/PcdValueCommon.c\n' % (PcdValueCommonPath, self.OutputPath)
         MakeFileName = os.path.join(self.OutputPath, 'Makefile')
         MakeApp += "$(OBJECTS) : %s\n" % MakeFileName
         SaveFileOnChange(MakeFileName, MakeApp, False)
 
+        # start generating input file
         InputValueFile = os.path.join(self.OutputPath, 'Input.txt')
         OutputValueFile = os.path.join(self.OutputPath, 'Output.txt')
         SaveFileOnChange(InputValueFile, InitByteValue, False)
@@ -2516,6 +2970,8 @@ class DscBuildData(PlatformBuildClassObject):
             Dest_PcdValueInitExe = os.path.join(self.OutputPath, PcdValueInitName)
         else:
             Dest_PcdValueInitExe = os.path.join(self.OutputPath, PcdValueInitName) +".exe"
+
+        #start building the structure pcd value tool
         Messages = ''
         if sys.platform == "win32":
             MakeCommand = 'nmake -f %s' % (MakeFileName)
@@ -2526,6 +2982,7 @@ class DscBuildData(PlatformBuildClassObject):
             returncode, StdOut, StdErr = DscBuildData.ExecuteCommand (MakeCommand)
             Messages = StdErr
 
+        EdkLogger.verbose ('%s\n%s\n%s' % (MakeCommand, StdOut, StdErr))
         Messages = Messages.split('\n')
         MessageGroup = []
         if returncode != 0:
@@ -2535,16 +2992,21 @@ class DscBuildData(PlatformBuildClassObject):
             File.close()
             for Message in Messages:
                 if " error" in Message or "warning" in Message:
-                    FileInfo = Message.strip().split('(')
-                    if len (FileInfo) > 1:
-                        FileName = FileInfo [0]
-                        FileLine = FileInfo [1].split (')')[0]
-                    else:
-                        FileInfo = Message.strip().split(':')
-                        if len(FileInfo) < 2:
-                            continue
-                        FileName = FileInfo [0]
-                        FileLine = FileInfo [1]
+                    try:
+                        FileInfo = Message.strip().split('(')
+                        if len (FileInfo) > 1:
+                            FileName = FileInfo [0]
+                            FileLine = FileInfo [1].split (')')[0]
+                        else:
+                            FileInfo = Message.strip().split(':')
+                            if len(FileInfo) < 2:
+                                continue
+                            FileName = FileInfo [0]
+                            FileLine = FileInfo [1]
+                    except:
+                        continue
+                    if "PcdValueInit.c" not in FileName:
+                        continue
                     if FileLine.isdigit():
                         error_line = FileData[int (FileLine) - 1]
                         if r"//" in error_line:
@@ -2570,14 +3032,17 @@ class DscBuildData(PlatformBuildClassObject):
             if MessageGroup:
                 EdkLogger.error("build", PCD_STRUCTURE_PCD_ERROR, "\n".join(MessageGroup) )
             else:
-                EdkLogger.error('Build', COMMAND_FAILURE, 'Can not execute command: %s' % MakeCommand)
+                EdkLogger.error('Build', COMMAND_FAILURE, 'Can not execute command: %s\n%s\n%s' % (MakeCommand, StdOut, StdErr))
 
+        #start executing the structure pcd value tool
         if DscBuildData.NeedUpdateOutput(OutputValueFile, Dest_PcdValueInitExe, InputValueFile):
             Command = Dest_PcdValueInitExe + ' -i %s -o %s' % (InputValueFile, OutputValueFile)
             returncode, StdOut, StdErr = DscBuildData.ExecuteCommand (Command)
+            EdkLogger.verbose ('%s\n%s\n%s' % (Command, StdOut, StdErr))
             if returncode != 0:
-                EdkLogger.warn('Build', COMMAND_FAILURE, 'Can not collect output from command: %s' % Command)
+                EdkLogger.warn('Build', COMMAND_FAILURE, 'Can not collect output from command: %s\n%s\n%s\n' % (Command, StdOut, StdErr))
 
+        #start update structure pcd final value
         File = open (OutputValueFile, 'r')
         FileBuffer = File.readlines()
         File.close()
@@ -2626,7 +3091,7 @@ class DscBuildData(PlatformBuildClassObject):
             if SkuName not in AvailableSkuIdSet:
                 EdkLogger.error('build', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                             File=self.MetaFile, Line=Dummy5)
-            if "." not in TokenSpaceGuid and "[" not in PcdCName:
+            if "." not in TokenSpaceGuid and "[" not in PcdCName and (PcdCName, TokenSpaceGuid, SkuName, Dummy5) not in PcdList:
                 PcdList.append((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
             PcdDict[Arch, SkuName, PcdCName, TokenSpaceGuid] = Setting
 
@@ -2675,7 +3140,9 @@ class DscBuildData(PlatformBuildClassObject):
 
             if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                 Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
+                Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName] = {}
             Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][TAB_DEFAULT_STORES_DEFAULT] = PcdValue
+            Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName][TAB_DEFAULT_STORES_DEFAULT] = (self.MetaFile.File,Dummy4)
 
         for pcd in Pcds.values():
             pcdDecObject = self._DecPcds[pcd.TokenCName, pcd.TokenSpaceGuidCName]
@@ -2693,7 +3160,7 @@ class DscBuildData(PlatformBuildClassObject):
             elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                 del pcd.SkuInfoList[TAB_COMMON]
 
-        map(self.FilterSkuSettings, Pcds.values())
+        list(map(self.FilterSkuSettings, Pcds.values()))
 
         return Pcds
 
@@ -2747,7 +3214,7 @@ class DscBuildData(PlatformBuildClassObject):
                     mindefaultstorename = DefaultStoreObj.GetMin(set(defaultstorename for defaultstorename in skuobj.DefaultStoreDict))
                     for defaultstorename in DefaultStores:
                         if defaultstorename not in skuobj.DefaultStoreDict:
-                            skuobj.DefaultStoreDict[defaultstorename] = copy.deepcopy(skuobj.DefaultStoreDict[mindefaultstorename])
+                            skuobj.DefaultStoreDict[defaultstorename] = skuobj.DefaultStoreDict[mindefaultstorename]
                     skuobj.HiiDefaultValue = skuobj.DefaultStoreDict[mindefaultstorename]
             for skuname, skuid in SkuIds.items():
                 if skuname not in PcdObj.SkuInfoList:
@@ -2758,7 +3225,7 @@ class DscBuildData(PlatformBuildClassObject):
                     PcdObj.SkuInfoList[skuname].SkuId = skuid
                     PcdObj.SkuInfoList[skuname].SkuIdName = skuname
             if PcdType in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
-                PcdObj.DefaultValue = PcdObj.SkuInfoList.values()[0].HiiDefaultValue if self.SkuIdMgr.SkuUsageType == self.SkuIdMgr.SINGLE else PcdObj.SkuInfoList[TAB_DEFAULT].HiiDefaultValue
+                PcdObj.DefaultValue = list(PcdObj.SkuInfoList.values())[0].HiiDefaultValue if self.SkuIdMgr.SkuUsageType == self.SkuIdMgr.SINGLE else PcdObj.SkuInfoList[TAB_DEFAULT].HiiDefaultValue
             Pcds[PcdCName, TokenSpaceGuid]= PcdObj
         return Pcds
     ## Retrieve dynamic HII PCD settings
@@ -2778,7 +3245,7 @@ class DscBuildData(PlatformBuildClassObject):
         # PCD settings for certain ARCH and SKU
         #
         PcdDict = tdict(True, 5)
-        PcdSet = set()
+        PcdList = []
         RecordList = self._RawData[Type, self._Arch]
         # Find out all possible PCD candidates for self._Arch
         AvailableSkuIdSet = copy.copy(self.SkuIds)
@@ -2799,13 +3266,13 @@ class DscBuildData(PlatformBuildClassObject):
             if DefaultStore not in DefaultStoresDefine:
                 EdkLogger.error('build', PARAMETER_INVALID, 'DefaultStores %s is not defined in [DefaultStores] section' % DefaultStore,
                                             File=self.MetaFile, Line=Dummy5)
-            if "." not in TokenSpaceGuid and "[" not in PcdCName:
-                PcdSet.add((PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy5))
+            if "." not in TokenSpaceGuid and "[" not in PcdCName and (PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy5) not in PcdList:
+                PcdList.append((PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy5))
             PcdDict[Arch, SkuName, PcdCName, TokenSpaceGuid, DefaultStore] = Setting
 
 
         # Remove redundant PCD candidates, per the ARCH and SKU
-        for PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy4 in PcdSet:
+        for index,(PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy4) in enumerate(PcdList):
 
             Setting = PcdDict[self._Arch, SkuName, PcdCName, TokenSpaceGuid, DefaultStore]
             if Setting is None:
@@ -2874,12 +3341,13 @@ class DscBuildData(PlatformBuildClassObject):
                     PcdClassObj.UserDefinedDefaultStoresFlag = True
                 Pcds[PcdCName, TokenSpaceGuid] = PcdClassObj
 
-                Pcds[PcdCName, TokenSpaceGuid].CustomAttribute['DscPosition'] = int(Dummy4)
+                Pcds[PcdCName, TokenSpaceGuid].CustomAttribute['DscPosition'] = index
             if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                 Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
+                Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName] = {}
             Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][DefaultStore] = DefaultValue
+            Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName][DefaultStore] = (self.MetaFile.File,Dummy4)
         for pcd in Pcds.values():
-            SkuInfoObj = pcd.SkuInfoList.values()[0]
             pcdDecObject = self._DecPcds[pcd.TokenCName, pcd.TokenSpaceGuidCName]
             pcd.DatumType = pcdDecObject.DatumType
             # Only fix the value while no value provided in DSC file.
@@ -2890,6 +3358,7 @@ class DscBuildData(PlatformBuildClassObject):
                         sku.DefaultStoreDict[default_store]=pcdDecObject.DefaultValue
                     pcd.DefaultValue = pcdDecObject.DefaultValue
             if TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON not in pcd.SkuInfoList:
+                SkuInfoObj = list(pcd.SkuInfoList.values())[0]
                 valuefromDec = pcdDecObject.DefaultValue
                 SkuInfo = SkuInfoClass(TAB_DEFAULT, '0', SkuInfoObj.VariableName, SkuInfoObj.VariableGuid, SkuInfoObj.VariableOffset, valuefromDec, VariableAttribute=SkuInfoObj.VariableAttribute, DefaultStore={DefaultStore:valuefromDec})
                 pcd.SkuInfoList[TAB_DEFAULT] = SkuInfo
@@ -2919,7 +3388,7 @@ class DscBuildData(PlatformBuildClassObject):
             invalidpcd = ",".join(invalidhii)
             EdkLogger.error('build', PCD_VARIABLE_INFO_ERROR, Message='The same HII PCD must map to the same EFI variable for all SKUs', File=self.MetaFile, ExtraData=invalidpcd)
 
-        map(self.FilterSkuSettings, Pcds.values())
+        list(map(self.FilterSkuSettings, Pcds.values()))
 
         return Pcds
 
@@ -2962,7 +3431,7 @@ class DscBuildData(PlatformBuildClassObject):
             if SkuName not in AvailableSkuIdSet:
                 EdkLogger.error('build', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                             File=self.MetaFile, Line=Dummy5)
-            if "." not in TokenSpaceGuid and "[" not in PcdCName:
+            if "." not in TokenSpaceGuid and "[" not in PcdCName and (PcdCName, TokenSpaceGuid, SkuName, Dummy5) not in PcdList:
                 PcdList.append((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
             PcdDict[Arch, SkuName, PcdCName, TokenSpaceGuid] = Setting
 
@@ -3015,9 +3484,10 @@ class DscBuildData(PlatformBuildClassObject):
 
             if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                 Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
+                Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName] = {}
             Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][TAB_DEFAULT_STORES_DEFAULT] = InitialValue
+            Pcds[PcdCName, TokenSpaceGuid].DscRawValueInfo[SkuName][TAB_DEFAULT_STORES_DEFAULT] = (self.MetaFile.File,Dummy4)
         for pcd in Pcds.values():
-            SkuInfoObj = pcd.SkuInfoList.values()[0]
             pcdDecObject = self._DecPcds[pcd.TokenCName, pcd.TokenSpaceGuidCName]
             pcd.DatumType = pcdDecObject.DatumType
             # Only fix the value while no value provided in DSC file.
@@ -3025,6 +3495,7 @@ class DscBuildData(PlatformBuildClassObject):
                 if not sku.DefaultValue:
                     sku.DefaultValue = pcdDecObject.DefaultValue
             if TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON not in pcd.SkuInfoList:
+                SkuInfoObj = list(pcd.SkuInfoList.values())[0]
                 valuefromDec = pcdDecObject.DefaultValue
                 SkuInfo = SkuInfoClass(TAB_DEFAULT, '0', '', '', '', '', SkuInfoObj.VpdOffset, valuefromDec)
                 pcd.SkuInfoList[TAB_DEFAULT] = SkuInfo
@@ -3044,7 +3515,7 @@ class DscBuildData(PlatformBuildClassObject):
                 for sku in pcd.SkuInfoList.values():
                     sku.DefaultValue = StringToArray(sku.DefaultValue) if sku.DefaultValue.startswith(('L"',"L'")) else sku.DefaultValue
 
-        map(self.FilterSkuSettings, Pcds.values())
+        list(map(self.FilterSkuSettings, Pcds.values()))
         return Pcds
 
     ## Add external modules
@@ -3064,18 +3535,16 @@ class DscBuildData(PlatformBuildClassObject):
     @property
     def ToolChainFamily(self):
         self._ToolChainFamily = TAB_COMPILER_MSFT
-        BuildConfigurationFile = os.path.normpath(os.path.join(GlobalData.gConfDirectory, "target.txt"))
+        TargetObj = TargetTxtDict()
+        TargetTxt = TargetObj.Target
+        BuildConfigurationFile = os.path.normpath(os.path.join(GlobalData.gConfDirectory, gDefaultTargetTxtFile))
         if os.path.isfile(BuildConfigurationFile) == True:
-            TargetTxt      = TargetTxtClassObject()
-            TargetTxt.LoadTargetTxtFile(BuildConfigurationFile)
             ToolDefinitionFile = TargetTxt.TargetTxtDictionary[DataType.TAB_TAT_DEFINES_TOOL_CHAIN_CONF]
             if ToolDefinitionFile == '':
-                ToolDefinitionFile = "tools_def.txt"
-                ToolDefinitionFile = os.path.normpath(mws.join(self.WorkspaceDir, 'Conf', ToolDefinitionFile))
+                ToolDefinitionFile = os.path.normpath(mws.join(self.WorkspaceDir, 'Conf', gDefaultToolsDefFile))
             if os.path.isfile(ToolDefinitionFile) == True:
-                ToolDef        = ToolDefClassObject()
-                ToolDef.LoadToolDefFile(ToolDefinitionFile)
-                ToolDefinition = ToolDef.ToolsDefTxtDatabase
+                ToolDefObj = ToolDefDict((os.path.join(os.getenv("WORKSPACE"), "Conf")))
+                ToolDefinition = ToolDefObj.ToolDef.ToolsDefTxtDatabase
                 if TAB_TOD_DEFINES_FAMILY not in ToolDefinition \
                    or self._Toolchain not in ToolDefinition[TAB_TOD_DEFINES_FAMILY] \
                    or not ToolDefinition[TAB_TOD_DEFINES_FAMILY][self._Toolchain]:
@@ -3111,6 +3580,8 @@ class DscBuildData(PlatformBuildClassObject):
                     continue
                 ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
                 PkgSet.update(ModuleData.Packages)
+            if self.Packages:
+                PkgSet.update(self.Packages)
             self._DecPcds, self._GuidDict = GetDeclaredPcd(self, self._Bdb, self._Arch, self._Target, self._Toolchain, PkgSet)
             self._GuidDict.update(GlobalData.gPlatformPcds)
         return self._DecPcds