]> git.proxmox.com Git - mirror_edk2.git/blobdiff - BaseTools/Source/Python/AutoGen/AutoGen.py
BaseTools: refactor to remove functions
[mirror_edk2.git] / BaseTools / Source / Python / AutoGen / AutoGen.py
index ef2e3ebe853c1e129536f01e2e2dc4c694189c47..0b5b3dcf465725c26398485dd8ca26ff0fbc091c 100644 (file)
@@ -2,6 +2,8 @@
 # Generate AutoGen.h, AutoGen.c and *.depex files\r
 #\r
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
+# Copyright (c) 2018, Hewlett Packard Enterprise Development, L.P.<BR>\r
+#\r
 # This program and the accompanying materials\r
 # are licensed and made available under the terms and conditions of the BSD License\r
 # which accompanies this distribution.  The full text of the license may be found at\r
@@ -31,7 +33,7 @@ from Common.LongFilePathSupport import CopyLongFilePath
 from Common.BuildToolError import *\r
 from Common.DataType import *\r
 from Common.Misc import *\r
-from Common.String import *\r
+from Common.StringUtils import *\r
 import Common.GlobalData as GlobalData\r
 from GenFds.FdfParser import *\r
 from CommonDataClass.CommonClass import SkuInfoClass\r
@@ -40,12 +42,14 @@ from GenPatchPcdTable.GenPatchPcdTable import parsePcdInfoFromMapFile
 import Common.VpdInfoFile as VpdInfoFile\r
 from GenPcdDb import CreatePcdDatabaseCode\r
 from Workspace.MetaFileCommentParser import UsageList\r
+from Workspace.WorkspaceCommon import GetModuleLibInstances\r
 from Common.MultipleWorkspace import MultipleWorkspace as mws\r
 import InfSectionParser\r
 import datetime\r
 import hashlib\r
 from GenVar import VariableMgr,var_info\r
 from collections import OrderedDict\r
+from collections import defaultdict\r
 \r
 ## Regular expression for splitting Dependency Expression string into tokens\r
 gDepexTokenPattern = re.compile("(\(|\)|\w+| \S+\.inf)")\r
@@ -255,16 +259,10 @@ class WorkspaceAutoGen(AutoGen):
     def _InitWorker(self, WorkspaceDir, ActivePlatform, Target, Toolchain, ArchList, MetaFileDb,\r
               BuildConfig, ToolDefinition, FlashDefinitionFile='', Fds=None, Fvs=None, Caps=None, SkuId='', UniFlag=None,\r
               Progress=None, BuildModule=None):\r
-        if Fds is None:\r
-            Fds = []\r
-        if Fvs is None:\r
-            Fvs = []\r
-        if Caps is None:\r
-            Caps = []\r
         self.BuildDatabase  = MetaFileDb\r
         self.MetaFile       = ActivePlatform\r
         self.WorkspaceDir   = WorkspaceDir\r
-        self.Platform       = self.BuildDatabase[self.MetaFile, 'COMMON', Target, Toolchain]\r
+        self.Platform       = self.BuildDatabase[self.MetaFile, TAB_ARCH_COMMON, Target, Toolchain]\r
         GlobalData.gActivePlatform = self.Platform\r
         self.BuildTarget    = Target\r
         self.ToolChain      = Toolchain\r
@@ -275,9 +273,9 @@ class WorkspaceAutoGen(AutoGen):
         self.TargetTxt      = BuildConfig\r
         self.ToolDef        = ToolDefinition\r
         self.FdfFile        = FlashDefinitionFile\r
-        self.FdTargetList   = Fds\r
-        self.FvTargetList   = Fvs\r
-        self.CapTargetList  = Caps\r
+        self.FdTargetList   = Fds if Fds else []\r
+        self.FvTargetList   = Fvs if Fvs else []\r
+        self.CapTargetList  = Caps if Caps else []\r
         self.AutoGenObjectList = []\r
         self._BuildDir      = None\r
         self._FvDir         = None\r
@@ -360,13 +358,11 @@ class WorkspaceAutoGen(AutoGen):
             # but the path (self.MetaFile.Path) is the real path\r
             for key in self.FdfProfile.InfDict:\r
                 if key == 'ArchTBD':\r
-                    Platform_cache = {}\r
-                    MetaFile_cache = {}\r
+                    MetaFile_cache = defaultdict(set)\r
                     for Arch in self.ArchList:\r
-                        Platform_cache[Arch] = self.BuildDatabase[self.MetaFile, Arch, Target, Toolchain]\r
-                        MetaFile_cache[Arch] = []\r
-                        for Pkey in Platform_cache[Arch].Modules.keys():\r
-                            MetaFile_cache[Arch].append(Platform_cache[Arch].Modules[Pkey].MetaFile)\r
+                        Current_Platform_cache = self.BuildDatabase[self.MetaFile, Arch, Target, Toolchain]\r
+                        for Pkey in Current_Platform_cache.Modules:\r
+                            MetaFile_cache[Arch].add(Current_Platform_cache.Modules[Pkey].MetaFile)\r
                     for Inf in self.FdfProfile.InfDict[key]:\r
                         ModuleFile = PathClass(NormPath(Inf), GlobalData.gWorkspace, Arch)\r
                         for Arch in self.ArchList:\r
@@ -381,9 +377,9 @@ class WorkspaceAutoGen(AutoGen):
                     for Arch in self.ArchList:\r
                         if Arch == key:\r
                             Platform = self.BuildDatabase[self.MetaFile, Arch, Target, Toolchain]\r
-                            MetaFileList = []\r
-                            for Pkey in Platform.Modules.keys():\r
-                                MetaFileList.append(Platform.Modules[Pkey].MetaFile)\r
+                            MetaFileList = set()\r
+                            for Pkey in Platform.Modules:\r
+                                MetaFileList.add(Platform.Modules[Pkey].MetaFile)\r
                             for Inf in self.FdfProfile.InfDict[key]:\r
                                 ModuleFile = PathClass(NormPath(Inf), GlobalData.gWorkspace, Arch)\r
                                 if ModuleFile in MetaFileList:\r
@@ -409,14 +405,10 @@ class WorkspaceAutoGen(AutoGen):
         # apply SKU and inject PCDs from Flash Definition file\r
         for Arch in self.ArchList:\r
             Platform = self.BuildDatabase[self.MetaFile, Arch, Target, Toolchain]\r
-\r
-\r
-\r
-\r
-\r
-\r
-            SourcePcdDict = {'DynamicEx':set(), 'PatchableInModule':set(),'Dynamic':set(),'FixedAtBuild':set()}\r
-            BinaryPcdDict = {'DynamicEx':set(), 'PatchableInModule':set()}\r
+            PlatformPcds = Platform.Pcds\r
+            self._GuidDict = Platform._GuidDict\r
+            SourcePcdDict = {TAB_PCDS_DYNAMIC_EX:set(), TAB_PCDS_PATCHABLE_IN_MODULE:set(),TAB_PCDS_DYNAMIC:set(),TAB_PCDS_FIXED_AT_BUILD:set()}\r
+            BinaryPcdDict = {TAB_PCDS_DYNAMIC_EX:set(), TAB_PCDS_PATCHABLE_IN_MODULE:set()}\r
             SourcePcdDict_Keys = SourcePcdDict.keys()\r
             BinaryPcdDict_Keys = BinaryPcdDict.keys()\r
 \r
@@ -430,33 +422,51 @@ class WorkspaceAutoGen(AutoGen):
                         if BuildData.Pcds[key].Pending:\r
                             if key in Platform.Pcds:\r
                                 PcdInPlatform = Platform.Pcds[key]\r
-                                if PcdInPlatform.Type not in [None, '']:\r
+                                if PcdInPlatform.Type:\r
                                     BuildData.Pcds[key].Type = PcdInPlatform.Type\r
+                                    BuildData.Pcds[key].Pending = False\r
 \r
                             if BuildData.MetaFile in Platform.Modules:\r
                                 PlatformModule = Platform.Modules[str(BuildData.MetaFile)]\r
                                 if key in PlatformModule.Pcds:\r
                                     PcdInPlatform = PlatformModule.Pcds[key]\r
-                                    if PcdInPlatform.Type not in [None, '']:\r
+                                    if PcdInPlatform.Type:\r
                                         BuildData.Pcds[key].Type = PcdInPlatform.Type\r
-\r
-                        if 'DynamicEx' in BuildData.Pcds[key].Type:\r
+                                        BuildData.Pcds[key].Pending = False\r
+                            else:\r
+                                #Pcd used in Library, Pcd Type from reference module if Pcd Type is Pending\r
+                                if BuildData.Pcds[key].Pending:\r
+                                    MGen = ModuleAutoGen(self, BuildData.MetaFile, Target, Toolchain, Arch, self.MetaFile)\r
+                                    if MGen and MGen.IsLibrary:\r
+                                        if MGen in PGen.LibraryAutoGenList:\r
+                                            ReferenceModules = MGen._ReferenceModules\r
+                                            for ReferenceModule in ReferenceModules:\r
+                                                if ReferenceModule.MetaFile in Platform.Modules:\r
+                                                    RefPlatformModule = Platform.Modules[str(ReferenceModule.MetaFile)]\r
+                                                    if key in RefPlatformModule.Pcds:\r
+                                                        PcdInReferenceModule = RefPlatformModule.Pcds[key]\r
+                                                        if PcdInReferenceModule.Type:\r
+                                                            BuildData.Pcds[key].Type = PcdInReferenceModule.Type\r
+                                                            BuildData.Pcds[key].Pending = False\r
+                                                            break\r
+\r
+                        if TAB_PCDS_DYNAMIC_EX in BuildData.Pcds[key].Type:\r
                             if BuildData.IsBinaryModule:\r
-                                BinaryPcdDict['DynamicEx'].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
+                                BinaryPcdDict[TAB_PCDS_DYNAMIC_EX].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
                             else:\r
-                                SourcePcdDict['DynamicEx'].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
+                                SourcePcdDict[TAB_PCDS_DYNAMIC_EX].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
 \r
-                        elif 'PatchableInModule' in BuildData.Pcds[key].Type:\r
+                        elif TAB_PCDS_PATCHABLE_IN_MODULE in BuildData.Pcds[key].Type:\r
                             if BuildData.MetaFile.Ext == '.inf':\r
                                 if BuildData.IsBinaryModule:\r
-                                    BinaryPcdDict['PatchableInModule'].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
+                                    BinaryPcdDict[TAB_PCDS_PATCHABLE_IN_MODULE].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
                                 else:\r
-                                    SourcePcdDict['PatchableInModule'].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
+                                    SourcePcdDict[TAB_PCDS_PATCHABLE_IN_MODULE].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
 \r
-                        elif 'Dynamic' in BuildData.Pcds[key].Type:\r
-                            SourcePcdDict['Dynamic'].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
-                        elif 'FixedAtBuild' in BuildData.Pcds[key].Type:\r
-                            SourcePcdDict['FixedAtBuild'].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
+                        elif TAB_PCDS_DYNAMIC in BuildData.Pcds[key].Type:\r
+                            SourcePcdDict[TAB_PCDS_DYNAMIC].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
+                        elif TAB_PCDS_FIXED_AT_BUILD in BuildData.Pcds[key].Type:\r
+                            SourcePcdDict[TAB_PCDS_FIXED_AT_BUILD].add((BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName))\r
                 else:\r
                     pass\r
             #\r
@@ -471,10 +481,8 @@ class WorkspaceAutoGen(AutoGen):
                             'build',\r
                             FORMAT_INVALID,\r
                             "Building modules from source INFs, following PCD use %s and %s access method. It must be corrected to use only one access method." % (i, j),\r
-                            ExtraData="%s" % '\n\t'.join([str(P[1]+'.'+P[0]) for P in Intersections])\r
+                            ExtraData="%s" % '\n\t'.join(str(P[1]+'.'+P[0]) for P in Intersections)\r
                             )\r
-                    else:\r
-                        pass\r
 \r
             #\r
             # intersection the BinaryPCD for Mixed PCD\r
@@ -493,8 +501,6 @@ class WorkspaceAutoGen(AutoGen):
                                     GlobalData.MixedPcd[item].append(NewPcd1)\r
                                 if NewPcd2 not in GlobalData.MixedPcd[item]:\r
                                     GlobalData.MixedPcd[item].append(NewPcd2)\r
-                    else:\r
-                        pass\r
 \r
             #\r
             # intersection the SourcePCD and BinaryPCD for Mixed PCD\r
@@ -513,8 +519,6 @@ class WorkspaceAutoGen(AutoGen):
                                     GlobalData.MixedPcd[item].append(NewPcd1)\r
                                 if NewPcd2 not in GlobalData.MixedPcd[item]:\r
                                     GlobalData.MixedPcd[item].append(NewPcd2)\r
-                    else:\r
-                        pass\r
 \r
             for BuildData in PGen.BuildDatabase._CACHE_.values():\r
                 if BuildData.Arch != Arch:\r
@@ -524,8 +528,8 @@ class WorkspaceAutoGen(AutoGen):
                         if (BuildData.Pcds[key].TokenCName, BuildData.Pcds[key].TokenSpaceGuidCName) == SinglePcd:\r
                             for item in GlobalData.MixedPcd[SinglePcd]:\r
                                 Pcd_Type = item[0].split('_')[-1]\r
-                                if (Pcd_Type == BuildData.Pcds[key].Type) or (Pcd_Type == TAB_PCDS_DYNAMIC_EX and BuildData.Pcds[key].Type in GenC.gDynamicExPcd) or \\r
-                                   (Pcd_Type == TAB_PCDS_DYNAMIC and BuildData.Pcds[key].Type in GenC.gDynamicPcd):\r
+                                if (Pcd_Type == BuildData.Pcds[key].Type) or (Pcd_Type == TAB_PCDS_DYNAMIC_EX and BuildData.Pcds[key].Type in PCD_DYNAMIC_EX_TYPE_SET) or \\r
+                                   (Pcd_Type == TAB_PCDS_DYNAMIC and BuildData.Pcds[key].Type in PCD_DYNAMIC_TYPE_SET):\r
                                     Value = BuildData.Pcds[key]\r
                                     Value.TokenCName = BuildData.Pcds[key].TokenCName + '_' + Pcd_Type\r
                                     if len(key) == 2:\r
@@ -535,11 +539,7 @@ class WorkspaceAutoGen(AutoGen):
                                     del BuildData.Pcds[key]\r
                                     BuildData.Pcds[newkey] = Value\r
                                     break\r
-                                else:\r
-                                    pass\r
                             break\r
-                        else:\r
-                            pass\r
 \r
             # handle the mixed pcd in FDF file\r
             for key in PcdSet:\r
@@ -558,11 +558,11 @@ class WorkspaceAutoGen(AutoGen):
                 ModuleData = self.BuildDatabase[ModuleFile, Arch, Target, Toolchain]\r
                 PkgSet.update(ModuleData.Packages)\r
             Pkgs = list(PkgSet) + list(PGen.PackageList)\r
-            DecPcds = {}\r
+            DecPcds = set()\r
             DecPcdsKey = set()\r
             for Pkg in Pkgs:\r
                 for Pcd in Pkg.Pcds:\r
-                    DecPcds[Pcd[0], Pcd[1]] = Pkg.Pcds[Pcd]\r
+                    DecPcds.add((Pcd[0], Pcd[1]))\r
                     DecPcdsKey.add((Pcd[0], Pcd[1], Pcd[2]))\r
 \r
             Platform.SkuName = self.SkuId\r
@@ -691,6 +691,9 @@ class WorkspaceAutoGen(AutoGen):
         return True\r
 \r
     def _GenPkgLevelHash(self, Pkg):\r
+        if Pkg.PackageName in GlobalData.gPackageHash[Pkg.Arch]:\r
+            return\r
+\r
         PkgDir = os.path.join(self.BuildDir, Pkg.Arch, Pkg.PackageName)\r
         CreateDirectory(PkgDir)\r
         HashFile = os.path.join(PkgDir, Pkg.PackageName + '.hash')\r
@@ -702,17 +705,16 @@ class WorkspaceAutoGen(AutoGen):
         m.update(Content)\r
         # Get include files hash value\r
         if Pkg.Includes:\r
-            for inc in Pkg.Includes:\r
+            for inc in sorted(Pkg.Includes, key=lambda x: str(x)):\r
                 for Root, Dirs, Files in os.walk(str(inc)):\r
-                    for File in Files:\r
+                    for File in sorted(Files):\r
                         File_Path = os.path.join(Root, File)\r
                         f = open(File_Path, 'r')\r
                         Content = f.read()\r
                         f.close()\r
                         m.update(Content)\r
         SaveFileOnChange(HashFile, m.hexdigest(), True)\r
-        if Pkg.PackageName not in GlobalData.gPackageHash[Pkg.Arch]:\r
-            GlobalData.gPackageHash[Pkg.Arch][Pkg.PackageName] = m.hexdigest()\r
+        GlobalData.gPackageHash[Pkg.Arch][Pkg.PackageName] = m.hexdigest()\r
 \r
     def _GetMetaFiles(self, Target, Toolchain, Arch):\r
         AllWorkSpaceMetaFiles = set()\r
@@ -782,7 +784,7 @@ class WorkspaceAutoGen(AutoGen):
                         for Module in Pa.ModuleAutoGenList:\r
                             if path.normpath(Module.MetaFile.File) == path.normpath(FfsFile.InfFileName):\r
                                 InfFoundFlag = True\r
-                                if not Module.Guid.upper() in _GuidDict.keys():\r
+                                if Module.Guid.upper() not in _GuidDict:\r
                                     _GuidDict[Module.Guid.upper()] = FfsFile\r
                                     break\r
                                 else:\r
@@ -808,8 +810,8 @@ class WorkspaceAutoGen(AutoGen):
                             # Here we just need to get FILE_GUID from INF file, use 'COMMON' as ARCH attribute. and use \r
                             # BuildObject from one of AutoGenObjectList is enough.\r
                             #\r
-                            InfObj = self.AutoGenObjectList[0].BuildDatabase.WorkspaceDb.BuildObject[PathClassObj, 'COMMON', self.BuildTarget, self.ToolChain]\r
-                            if not InfObj.Guid.upper() in _GuidDict.keys():\r
+                            InfObj = self.AutoGenObjectList[0].BuildDatabase.WorkspaceDb.BuildObject[PathClassObj, TAB_ARCH_COMMON, self.BuildTarget, self.ToolChain]\r
+                            if InfObj.Guid.upper() not in _GuidDict:\r
                                 _GuidDict[InfObj.Guid.upper()] = FfsFile\r
                             else:\r
                                 EdkLogger.error("build",\r
@@ -857,7 +859,7 @@ class WorkspaceAutoGen(AutoGen):
                                                             "The format of PCD value is incorrect. PCD: %s , Value: %s\n" % (_PcdName, PcdItem.DefaultValue),\r
                                                             ExtraData=self.FdfFile)\r
 \r
-                                        if not _PcdGuidString.upper() in _GuidDict.keys():\r
+                                        if _PcdGuidString.upper() not in _GuidDict:\r
                                             _GuidDict[_PcdGuidString.upper()] = FfsFile\r
                                             PcdFoundFlag = True\r
                                             break\r
@@ -871,7 +873,7 @@ class WorkspaceAutoGen(AutoGen):
                                                                                                                                            FfsFile.NameGuid.upper()),\r
                                                             ExtraData=self.FdfFile)\r
 \r
-                    if not FfsFile.NameGuid.upper() in _GuidDict.keys():\r
+                    if FfsFile.NameGuid.upper() not in _GuidDict:\r
                         _GuidDict[FfsFile.NameGuid.upper()] = FfsFile\r
                     else:\r
                         #\r
@@ -889,9 +891,9 @@ class WorkspaceAutoGen(AutoGen):
 \r
     def _CheckPcdDefineAndType(self):\r
         PcdTypeList = [\r
-            "FixedAtBuild", "PatchableInModule", "FeatureFlag",\r
-            "Dynamic", #"DynamicHii", "DynamicVpd",\r
-            "DynamicEx", # "DynamicExHii", "DynamicExVpd"\r
+            TAB_PCDS_FIXED_AT_BUILD, TAB_PCDS_PATCHABLE_IN_MODULE, TAB_PCDS_FEATURE_FLAG,\r
+            TAB_PCDS_DYNAMIC, #TAB_PCDS_DYNAMIC_HII, TAB_PCDS_DYNAMIC_VPD,\r
+            TAB_PCDS_DYNAMIC_EX, # TAB_PCDS_DYNAMIC_EX_HII, TAB_PCDS_DYNAMIC_EX_VPD\r
         ]\r
 \r
         # This dict store PCDs which are not used by any modules with specified arches\r
@@ -906,10 +908,10 @@ class WorkspaceAutoGen(AutoGen):
                     continue\r
 \r
                 # Try to remove Hii and Vpd suffix\r
-                if PcdType.startswith("DynamicEx"):\r
-                    PcdType = "DynamicEx"\r
-                elif PcdType.startswith("Dynamic"):\r
-                    PcdType = "Dynamic"\r
+                if PcdType.startswith(TAB_PCDS_DYNAMIC_EX):\r
+                    PcdType = TAB_PCDS_DYNAMIC_EX\r
+                elif PcdType.startswith(TAB_PCDS_DYNAMIC):\r
+                    PcdType = TAB_PCDS_DYNAMIC\r
 \r
                 for Package in Pa.PackageList:\r
                     # Key of DEC's Pcds dictionary is PcdCName, TokenSpaceGuid, PcdType\r
@@ -943,7 +945,7 @@ class WorkspaceAutoGen(AutoGen):
     ## Return the directory to store FV files\r
     def _GetFvDir(self):\r
         if self._FvDir is None:\r
-            self._FvDir = path.join(self.BuildDir, 'FV')\r
+            self._FvDir = path.join(self.BuildDir, TAB_FV_DIRECTORY)\r
         return self._FvDir\r
 \r
     ## Return the directory to store all intermediate and final files built\r
@@ -1306,10 +1308,10 @@ class PlatformAutoGen(AutoGen):
                     continue\r
                 else:\r
                     DscPcd = self.NonDynamicPcdDict[(Pcd.TokenCName,Pcd.TokenSpaceGuidCName)]\r
-                    if DscPcd.Type != "FixedAtBuild":\r
+                    if DscPcd.Type != TAB_PCDS_FIXED_AT_BUILD:\r
                         continue\r
                 if key in ShareFixedAtBuildPcdsSameValue and ShareFixedAtBuildPcdsSameValue[key]:                    \r
-                    LibAuto.ConstPcd[key] = Pcd.DefaultValue\r
+                    LibAuto.ConstPcd[key] = FixedAtBuildPcds[key]\r
 \r
     def CollectVariables(self, DynamicPcdSet):\r
 \r
@@ -1346,7 +1348,7 @@ class PlatformAutoGen(AutoGen):
 \r
     def UpdateNVStoreMaxSize(self,OrgVpdFile):\r
         if self.VariableInfo:\r
-            VpdMapFilePath = os.path.join(self.BuildDir, "FV", "%s.map" % self.Platform.VpdToolGuid)\r
+            VpdMapFilePath = os.path.join(self.BuildDir, TAB_FV_DIRECTORY, "%s.map" % self.Platform.VpdToolGuid)\r
             PcdNvStoreDfBuffer = [item for item in self._DynamicPcdList if item.TokenCName == "PcdNvStoreDefaultValueBuffer" and item.TokenSpaceGuidCName == "gEfiMdeModulePkgTokenSpaceGuid"]\r
 \r
             if PcdNvStoreDfBuffer:\r
@@ -1358,7 +1360,7 @@ class PlatformAutoGen(AutoGen):
                     EdkLogger.error("build", FILE_READ_FAILURE, "Can not find VPD map file %s to fix up VPD offset." % VpdMapFilePath)\r
 \r
                 NvStoreOffset = int(NvStoreOffset,16) if NvStoreOffset.upper().startswith("0X") else int(NvStoreOffset)\r
-                default_skuobj = PcdNvStoreDfBuffer[0].SkuInfoList.get("DEFAULT")\r
+                default_skuobj = PcdNvStoreDfBuffer[0].SkuInfoList.get(TAB_DEFAULT)\r
                 maxsize = self.VariableInfo.VpdRegionSize  - NvStoreOffset if self.VariableInfo.VpdRegionSize else len(default_skuobj.DefaultValue.split(","))\r
                 var_data = self.VariableInfo.PatchNVStoreDefaultMaxSize(maxsize)\r
 \r
@@ -1366,7 +1368,7 @@ class PlatformAutoGen(AutoGen):
                     default_skuobj.DefaultValue = var_data\r
                     PcdNvStoreDfBuffer[0].DefaultValue = var_data\r
                     PcdNvStoreDfBuffer[0].SkuInfoList.clear()\r
-                    PcdNvStoreDfBuffer[0].SkuInfoList['DEFAULT'] = default_skuobj\r
+                    PcdNvStoreDfBuffer[0].SkuInfoList[TAB_DEFAULT] = default_skuobj\r
                     PcdNvStoreDfBuffer[0].MaxDatumSize = str(len(default_skuobj.DefaultValue.split(",")))\r
 \r
         return OrgVpdFile\r
@@ -1383,8 +1385,8 @@ class PlatformAutoGen(AutoGen):
                 if (self.Platform.Pcds[key].TokenCName, self.Platform.Pcds[key].TokenSpaceGuidCName) == SinglePcd:\r
                     for item in GlobalData.MixedPcd[SinglePcd]:\r
                         Pcd_Type = item[0].split('_')[-1]\r
-                        if (Pcd_Type == self.Platform.Pcds[key].Type) or (Pcd_Type == TAB_PCDS_DYNAMIC_EX and self.Platform.Pcds[key].Type in GenC.gDynamicExPcd) or \\r
-                           (Pcd_Type == TAB_PCDS_DYNAMIC and self.Platform.Pcds[key].Type in GenC.gDynamicPcd):\r
+                        if (Pcd_Type == self.Platform.Pcds[key].Type) or (Pcd_Type == TAB_PCDS_DYNAMIC_EX and self.Platform.Pcds[key].Type in PCD_DYNAMIC_EX_TYPE_SET) or \\r
+                           (Pcd_Type == TAB_PCDS_DYNAMIC and self.Platform.Pcds[key].Type in PCD_DYNAMIC_TYPE_SET):\r
                             Value = self.Platform.Pcds[key]\r
                             Value.TokenCName = self.Platform.Pcds[key].TokenCName + '_' + Pcd_Type\r
                             if len(key) == 2:\r
@@ -1402,8 +1404,6 @@ class PlatformAutoGen(AutoGen):
 \r
         # for gathering error information\r
         NoDatumTypePcdList = set()\r
-        PcdNotInDb = []\r
-        self._GuidValue = {}\r
         FdfModuleList = []\r
         for InfName in self._AsBuildInfList:\r
             InfName = mws.join(self.WorkspaceDir, InfName)\r
@@ -1416,7 +1416,7 @@ class PlatformAutoGen(AutoGen):
 \r
             for PcdFromModule in M.ModulePcdList + M.LibraryPcdList:\r
                 # make sure that the "VOID*" kind of datum has MaxDatumSize set\r
-                if PcdFromModule.DatumType == "VOID*" and PcdFromModule.MaxDatumSize in [None, '']:\r
+                if PcdFromModule.DatumType == TAB_VOID and not PcdFromModule.MaxDatumSize:\r
                     NoDatumTypePcdList.add("%s.%s [%s]" % (PcdFromModule.TokenSpaceGuidCName, PcdFromModule.TokenCName, F))\r
 \r
                 # Check the PCD from Binary INF or Source INF\r
@@ -1424,11 +1424,9 @@ class PlatformAutoGen(AutoGen):
                     PcdFromModule.IsFromBinaryInf = True\r
 \r
                 # Check the PCD from DSC or not \r
-                if (PcdFromModule.TokenCName, PcdFromModule.TokenSpaceGuidCName) in self.Platform.Pcds.keys():\r
-                    PcdFromModule.IsFromDsc = True\r
-                else:\r
-                    PcdFromModule.IsFromDsc = False\r
-                if PcdFromModule.Type in GenC.gDynamicPcd or PcdFromModule.Type in GenC.gDynamicExPcd:\r
+                PcdFromModule.IsFromDsc = (PcdFromModule.TokenCName, PcdFromModule.TokenSpaceGuidCName) in self.Platform.Pcds\r
+\r
+                if PcdFromModule.Type in PCD_DYNAMIC_TYPE_SET or PcdFromModule.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                     if F.Path not in FdfModuleList:\r
                         # If one of the Source built modules listed in the DSC is not listed \r
                         # in FDF modules, and the INF lists a PCD can only use the PcdsDynamic \r
@@ -1438,20 +1436,16 @@ class PlatformAutoGen(AutoGen):
                         # be included in a flash image in order to be functional. These Dynamic \r
                         # PCD will not be added into the Database unless it is used by other \r
                         # modules that are included in the FDF file.\r
-                        if PcdFromModule.Type in GenC.gDynamicPcd and \\r
+                        if PcdFromModule.Type in PCD_DYNAMIC_TYPE_SET and \\r
                             PcdFromModule.IsFromBinaryInf == False:\r
                             # Print warning message to let the developer make a determine.\r
-                            if PcdFromModule not in PcdNotInDb:\r
-                                PcdNotInDb.append(PcdFromModule)\r
                             continue\r
                         # If one of the Source built modules listed in the DSC is not listed in \r
                         # FDF modules, and the INF lists a PCD can only use the PcdsDynamicEx \r
                         # access method (it is only listed in the DEC file that declares the \r
                         # PCD as PcdsDynamicEx), then DO NOT break the build; DO NOT add the \r
                         # PCD to the Platform's PCD Database.\r
-                        if PcdFromModule.Type in GenC.gDynamicExPcd:\r
-                            if PcdFromModule not in PcdNotInDb:\r
-                                PcdNotInDb.append(PcdFromModule)\r
+                        if PcdFromModule.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                             continue\r
                     #\r
                     # If a dynamic PCD used by a PEM module/PEI module & DXE module,\r
@@ -1459,7 +1453,7 @@ class PlatformAutoGen(AutoGen):
                     # used by DXE module, it should be stored in DXE PCD database.\r
                     # The default Phase is DXE\r
                     #\r
-                    if M.ModuleType in ["PEIM", "PEI_CORE"]:\r
+                    if M.ModuleType in SUP_MODULE_SET_PEI:\r
                         PcdFromModule.Phase = "PEI"\r
                     if PcdFromModule not in self._DynaPcdList_:\r
                         self._DynaPcdList_.append(PcdFromModule)\r
@@ -1476,13 +1470,10 @@ class PlatformAutoGen(AutoGen):
                         self._NonDynaPcdList_.remove (self._NonDynaPcdList_[Index])\r
                         PcdFromModule.Pending = False\r
                         self._NonDynaPcdList_.append (PcdFromModule)\r
-        # Parse the DynamicEx PCD from the AsBuild INF module list of FDF.\r
-        DscModuleList = []\r
-        for ModuleInf in self.Platform.Modules.keys():\r
-            DscModuleList.append (os.path.normpath(ModuleInf.Path))\r
+        DscModuleSet = {os.path.normpath(ModuleInf.Path) for ModuleInf in self.Platform.Modules}\r
         # add the PCD from modules that listed in FDF but not in DSC to Database \r
         for InfName in FdfModuleList:\r
-            if InfName not in DscModuleList:\r
+            if InfName not in DscModuleSet:\r
                 InfClass = PathClass(InfName)\r
                 M = self.BuildDatabase[InfClass, self.Arch, self.BuildTarget, self.ToolChain]\r
                 # If a module INF in FDF but not in current arch's DSC module list, it must be module (either binary or source) \r
@@ -1496,21 +1487,21 @@ class PlatformAutoGen(AutoGen):
                     PcdFromModule.IsFromBinaryInf = True\r
                     PcdFromModule.IsFromDsc = False\r
                     # Only allow the DynamicEx and Patchable PCD in AsBuild INF\r
-                    if PcdFromModule.Type not in GenC.gDynamicExPcd and PcdFromModule.Type not in TAB_PCDS_PATCHABLE_IN_MODULE:\r
+                    if PcdFromModule.Type not in PCD_DYNAMIC_EX_TYPE_SET and PcdFromModule.Type not in TAB_PCDS_PATCHABLE_IN_MODULE:\r
                         EdkLogger.error("build", AUTOGEN_ERROR, "PCD setting error",\r
                                         File=self.MetaFile,\r
                                         ExtraData="\n\tExisted %s PCD %s in:\n\t\t%s\n"\r
                                         % (PcdFromModule.Type, PcdFromModule.TokenCName, InfName))\r
                     # make sure that the "VOID*" kind of datum has MaxDatumSize set\r
-                    if PcdFromModule.DatumType == "VOID*" and PcdFromModule.MaxDatumSize in [None, '']:\r
+                    if PcdFromModule.DatumType == TAB_VOID and not PcdFromModule.MaxDatumSize:\r
                         NoDatumTypePcdList.add("%s.%s [%s]" % (PcdFromModule.TokenSpaceGuidCName, PcdFromModule.TokenCName, InfName))\r
-                    if M.ModuleType in ["PEIM", "PEI_CORE"]:\r
+                    if M.ModuleType in SUP_MODULE_SET_PEI:\r
                         PcdFromModule.Phase = "PEI"\r
-                    if PcdFromModule not in self._DynaPcdList_ and PcdFromModule.Type in GenC.gDynamicExPcd:\r
+                    if PcdFromModule not in self._DynaPcdList_ and PcdFromModule.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                         self._DynaPcdList_.append(PcdFromModule)\r
                     elif PcdFromModule not in self._NonDynaPcdList_ and PcdFromModule.Type in TAB_PCDS_PATCHABLE_IN_MODULE:\r
                         self._NonDynaPcdList_.append(PcdFromModule)\r
-                    if PcdFromModule in self._DynaPcdList_ and PcdFromModule.Phase == 'PEI' and PcdFromModule.Type in GenC.gDynamicExPcd:\r
+                    if PcdFromModule in self._DynaPcdList_ and PcdFromModule.Phase == 'PEI' and PcdFromModule.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                         # Overwrite the phase of any the same PCD existing, if Phase is PEI.\r
                         # It is to solve the case that a dynamic PCD used by a PEM module/PEI \r
                         # module & DXE module at a same time.\r
@@ -1561,22 +1552,22 @@ class PlatformAutoGen(AutoGen):
         VpdFile               = VpdInfoFile.VpdInfoFile()\r
         NeedProcessVpdMapFile = False\r
 \r
-        for pcd in self.Platform.Pcds.keys():\r
-            if pcd not in self._PlatformPcds.keys():\r
+        for pcd in self.Platform.Pcds:\r
+            if pcd not in self._PlatformPcds:\r
                 self._PlatformPcds[pcd] = self.Platform.Pcds[pcd]\r
 \r
         for item in self._PlatformPcds:\r
             if self._PlatformPcds[item].DatumType and self._PlatformPcds[item].DatumType not in [TAB_UINT8, TAB_UINT16, TAB_UINT32, TAB_UINT64, TAB_VOID, "BOOLEAN"]:\r
-                self._PlatformPcds[item].DatumType = "VOID*"\r
+                self._PlatformPcds[item].DatumType = TAB_VOID\r
 \r
         if (self.Workspace.ArchList[-1] == self.Arch): \r
             for Pcd in self._DynamicPcdList:\r
                 # just pick the a value to determine whether is unicode string type\r
-                Sku = Pcd.SkuInfoList[Pcd.SkuInfoList.keys()[0]]\r
+                Sku = Pcd.SkuInfoList.values()[0]\r
                 Sku.VpdOffset = Sku.VpdOffset.strip()\r
 \r
                 if Pcd.DatumType not in [TAB_UINT8, TAB_UINT16, TAB_UINT32, TAB_UINT64, TAB_VOID, "BOOLEAN"]:\r
-                    Pcd.DatumType = "VOID*"\r
+                    Pcd.DatumType = TAB_VOID\r
 \r
                     # if found PCD which datum value is unicode string the insert to left size of UnicodeIndex\r
                     # if found HII type PCD then insert to right of UnicodeIndex\r
@@ -1606,12 +1597,12 @@ class PlatformAutoGen(AutoGen):
                    PcdKey in VpdPcdDict:\r
                     Pcd = VpdPcdDict[PcdKey]\r
                     SkuValueMap = {}\r
-                    DefaultSku = Pcd.SkuInfoList.get('DEFAULT')\r
+                    DefaultSku = Pcd.SkuInfoList.get(TAB_DEFAULT)\r
                     if DefaultSku:\r
                         PcdValue = DefaultSku.DefaultValue\r
                         if PcdValue not in SkuValueMap:\r
                             SkuValueMap[PcdValue] = []\r
-                            VpdFile.Add(Pcd, 'DEFAULT',DefaultSku.VpdOffset)\r
+                            VpdFile.Add(Pcd, TAB_DEFAULT,DefaultSku.VpdOffset)\r
                         SkuValueMap[PcdValue].append(DefaultSku)\r
 \r
                     for (SkuName,Sku) in Pcd.SkuInfoList.items():\r
@@ -1659,7 +1650,7 @@ class PlatformAutoGen(AutoGen):
                 if DscPcdEntry.Type in [TAB_PCDS_DYNAMIC_VPD, TAB_PCDS_DYNAMIC_EX_VPD]:\r
                     if not (self.Platform.VpdToolGuid is None or self.Platform.VpdToolGuid == ''):\r
                         FoundFlag = False\r
-                        for VpdPcd in VpdFile._VpdArray.keys():\r
+                        for VpdPcd in VpdFile._VpdArray:\r
                             # This PCD has been referenced by module\r
                             if (VpdPcd.TokenSpaceGuidCName == DscPcdEntry.TokenSpaceGuidCName) and \\r
                                (VpdPcd.TokenCName == DscPcdEntry.TokenCName):\r
@@ -1670,9 +1661,9 @@ class PlatformAutoGen(AutoGen):
                             # just pick the a value to determine whether is unicode string type\r
                             SkuValueMap = {}\r
                             SkuObjList = DscPcdEntry.SkuInfoList.items()\r
-                            DefaultSku = DscPcdEntry.SkuInfoList.get('DEFAULT')\r
+                            DefaultSku = DscPcdEntry.SkuInfoList.get(TAB_DEFAULT)\r
                             if DefaultSku:\r
-                                defaultindex = SkuObjList.index(('DEFAULT',DefaultSku))\r
+                                defaultindex = SkuObjList.index((TAB_DEFAULT,DefaultSku))\r
                                 SkuObjList[0],SkuObjList[defaultindex] = SkuObjList[defaultindex],SkuObjList[0]\r
                             for (SkuName,Sku) in SkuObjList:\r
                                 Sku.VpdOffset = Sku.VpdOffset.strip() \r
@@ -1694,7 +1685,7 @@ class PlatformAutoGen(AutoGen):
                                             DscPcdEntry.TokenValue = DecPcdEntry.TokenValue\r
                                             DscPcdEntry.TokenSpaceGuidValue = eachDec.Guids[DecPcdEntry.TokenSpaceGuidCName]\r
                                             # Only fix the value while no value provided in DSC file.\r
-                                            if (Sku.DefaultValue == "" or Sku.DefaultValue==None):\r
+                                            if not Sku.DefaultValue:\r
                                                 DscPcdEntry.SkuInfoList[DscPcdEntry.SkuInfoList.keys()[0]].DefaultValue = DecPcdEntry.DefaultValue\r
                                                                                                                     \r
                                 if DscPcdEntry not in self._DynamicPcdList:\r
@@ -1728,7 +1719,7 @@ class PlatformAutoGen(AutoGen):
                                 SkuValueMap[PcdValue].append(Sku)\r
                                 if not NeedProcessVpdMapFile and Sku.VpdOffset == "*":\r
                                     NeedProcessVpdMapFile = True \r
-                            if DscPcdEntry.DatumType == 'VOID*' and PcdValue.startswith("L"):\r
+                            if DscPcdEntry.DatumType == TAB_VOID and PcdValue.startswith("L"):\r
                                 UnicodePcdArray.add(DscPcdEntry)\r
                             elif len(Sku.VariableName) > 0:\r
                                 HiiPcdArray.add(DscPcdEntry)\r
@@ -1750,7 +1741,7 @@ class PlatformAutoGen(AutoGen):
 \r
                 # Process VPD map file generated by third party BPDG tool\r
                 if NeedProcessVpdMapFile:\r
-                    VpdMapFilePath = os.path.join(self.BuildDir, "FV", "%s.map" % self.Platform.VpdToolGuid)\r
+                    VpdMapFilePath = os.path.join(self.BuildDir, TAB_FV_DIRECTORY, "%s.map" % self.Platform.VpdToolGuid)\r
                     if os.path.exists(VpdMapFilePath):\r
                         VpdFile.Read(VpdMapFilePath)\r
 \r
@@ -1771,14 +1762,14 @@ class PlatformAutoGen(AutoGen):
             # Delete the DynamicPcdList At the last time enter into this function\r
             for Pcd in self._DynamicPcdList:\r
                 # just pick the a value to determine whether is unicode string type\r
-                Sku = Pcd.SkuInfoList[Pcd.SkuInfoList.keys()[0]]\r
+                Sku = Pcd.SkuInfoList.values()[0]\r
                 Sku.VpdOffset = Sku.VpdOffset.strip()\r
 \r
                 if Pcd.DatumType not in [TAB_UINT8, TAB_UINT16, TAB_UINT32, TAB_UINT64, TAB_VOID, "BOOLEAN"]:\r
-                    Pcd.DatumType = "VOID*"\r
+                    Pcd.DatumType = TAB_VOID\r
 \r
                 PcdValue = Sku.DefaultValue\r
-                if Pcd.DatumType == 'VOID*' and PcdValue.startswith("L"):\r
+                if Pcd.DatumType == TAB_VOID and PcdValue.startswith("L"):\r
                     # if found PCD which datum value is unicode string the insert to left size of UnicodeIndex\r
                     UnicodePcdArray.add(Pcd)\r
                 elif len(Sku.VariableName) > 0:\r
@@ -1796,12 +1787,12 @@ class PlatformAutoGen(AutoGen):
                 for (SkuName,SkuId) in allskuset:\r
                     if type(SkuId) in (str,unicode) and eval(SkuId) == 0 or SkuId == 0:\r
                         continue\r
-                    pcd.SkuInfoList[SkuName] = copy.deepcopy(pcd.SkuInfoList['DEFAULT'])\r
+                    pcd.SkuInfoList[SkuName] = copy.deepcopy(pcd.SkuInfoList[TAB_DEFAULT])\r
                     pcd.SkuInfoList[SkuName].SkuId = SkuId\r
         self.AllPcdList = self._NonDynamicPcdList + self._DynamicPcdList\r
 \r
     def FixVpdOffset(self,VpdFile ):\r
-        FvPath = os.path.join(self.BuildDir, "FV")\r
+        FvPath = os.path.join(self.BuildDir, TAB_FV_DIRECTORY)\r
         if not os.path.exists(FvPath):\r
             try:\r
                 os.makedirs(FvPath)\r
@@ -1814,7 +1805,7 @@ class PlatformAutoGen(AutoGen):
             # retrieve BPDG tool's path from tool_def.txt according to VPD_TOOL_GUID defined in DSC file.\r
             BPDGToolName = None\r
             for ToolDef in self.ToolDefinition.values():\r
-                if ToolDef.has_key("GUID") and ToolDef["GUID"] == self.Platform.VpdToolGuid:\r
+                if ToolDef.has_key(TAB_GUID) and ToolDef[TAB_GUID] == self.Platform.VpdToolGuid:\r
                     if not ToolDef.has_key("PATH"):\r
                         EdkLogger.error("build", ATTRIBUTE_NOT_AVAILABLE, "PATH attribute was not provided for BPDG guid tool %s in tools_def.txt" % self.Platform.VpdToolGuid)\r
                     BPDGToolName = ToolDef["PATH"]\r
@@ -1932,7 +1923,6 @@ class PlatformAutoGen(AutoGen):
                 self._ToolDefinitions[Tool][Attr] = Value\r
 \r
             ToolsDef = ''\r
-            MakePath = ''\r
             if GlobalData.gOptions.SilentMode and "MAKE" in self._ToolDefinitions:\r
                 if "FLAGS" not in self._ToolDefinitions["MAKE"]:\r
                     self._ToolDefinitions["MAKE"]["FLAGS"] = ""\r
@@ -1953,9 +1943,7 @@ class PlatformAutoGen(AutoGen):
 \r
                     if Attr == "PATH":\r
                         # Don't put MAKE definition in the file\r
-                        if Tool == "MAKE":\r
-                            MakePath = Value\r
-                        else:\r
+                        if Tool != "MAKE":\r
                             ToolsDef += "%s = %s\n" % (Tool, Value)\r
                     elif Attr != "DLL":\r
                         # Don't put MAKE definition in the file\r
@@ -2033,7 +2021,7 @@ class PlatformAutoGen(AutoGen):
             BuildRuleFile = None\r
             if TAB_TAT_DEFINES_BUILD_RULE_CONF in self.Workspace.TargetTxt.TargetTxtDictionary:\r
                 BuildRuleFile = self.Workspace.TargetTxt.TargetTxtDictionary[TAB_TAT_DEFINES_BUILD_RULE_CONF]\r
-            if BuildRuleFile in [None, '']:\r
+            if not BuildRuleFile:\r
                 BuildRuleFile = gDefaultBuildRuleFile\r
             self._BuildRule = BuildRule(BuildRuleFile)\r
             if self._BuildRule._FileVersion == "":\r
@@ -2100,28 +2088,28 @@ class PlatformAutoGen(AutoGen):
             #\r
             for Pcd in self.DynamicPcdList:\r
                 if Pcd.Phase == "PEI":\r
-                    if Pcd.Type in ["Dynamic", "DynamicDefault", "DynamicVpd", "DynamicHii"]:\r
+                    if Pcd.Type in PCD_DYNAMIC_TYPE_SET:\r
                         EdkLogger.debug(EdkLogger.DEBUG_5, "%s %s (%s) -> %d" % (Pcd.TokenCName, Pcd.TokenSpaceGuidCName, Pcd.Phase, TokenNumber))\r
                         self._PcdTokenNumber[Pcd.TokenCName, Pcd.TokenSpaceGuidCName] = TokenNumber\r
                         TokenNumber += 1\r
 \r
             for Pcd in self.DynamicPcdList:\r
                 if Pcd.Phase == "PEI":\r
-                    if Pcd.Type in ["DynamicEx", "DynamicExDefault", "DynamicExVpd", "DynamicExHii"]:\r
+                    if Pcd.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                         EdkLogger.debug(EdkLogger.DEBUG_5, "%s %s (%s) -> %d" % (Pcd.TokenCName, Pcd.TokenSpaceGuidCName, Pcd.Phase, TokenNumber))\r
                         self._PcdTokenNumber[Pcd.TokenCName, Pcd.TokenSpaceGuidCName] = TokenNumber\r
                         TokenNumber += 1\r
 \r
             for Pcd in self.DynamicPcdList:\r
                 if Pcd.Phase == "DXE":\r
-                    if Pcd.Type in ["Dynamic", "DynamicDefault", "DynamicVpd", "DynamicHii"]:\r
+                    if Pcd.Type in PCD_DYNAMIC_TYPE_SET:\r
                         EdkLogger.debug(EdkLogger.DEBUG_5, "%s %s (%s) -> %d" % (Pcd.TokenCName, Pcd.TokenSpaceGuidCName, Pcd.Phase, TokenNumber))\r
                         self._PcdTokenNumber[Pcd.TokenCName, Pcd.TokenSpaceGuidCName] = TokenNumber\r
                         TokenNumber += 1\r
 \r
             for Pcd in self.DynamicPcdList:\r
                 if Pcd.Phase == "DXE":\r
-                    if Pcd.Type in ["DynamicEx", "DynamicExDefault", "DynamicExVpd", "DynamicExHii"]:\r
+                    if Pcd.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                         EdkLogger.debug(EdkLogger.DEBUG_5, "%s %s (%s) -> %d" % (Pcd.TokenCName, Pcd.TokenSpaceGuidCName, Pcd.Phase, TokenNumber))\r
                         self._PcdTokenNumber[Pcd.TokenCName, Pcd.TokenSpaceGuidCName] = TokenNumber\r
                         TokenNumber += 1\r
@@ -2187,169 +2175,21 @@ class PlatformAutoGen(AutoGen):
         if str(Module) not in self.Platform.Modules:\r
             return []\r
 \r
-        ModuleType = Module.ModuleType\r
-\r
-        # for overridding library instances with module specific setting\r
-        PlatformModule = self.Platform.Modules[str(Module)]\r
-\r
-        # add forced library instances (specified under LibraryClasses sections)\r
-        #\r
-        # If a module has a MODULE_TYPE of USER_DEFINED,\r
-        # do not link in NULL library class instances from the global [LibraryClasses.*] sections.\r
-        #\r
-        if Module.ModuleType != SUP_MODULE_USER_DEFINED:\r
-            for LibraryClass in self.Platform.LibraryClasses.GetKeys():\r
-                if LibraryClass.startswith("NULL") and self.Platform.LibraryClasses[LibraryClass, Module.ModuleType]:\r
-                    Module.LibraryClasses[LibraryClass] = self.Platform.LibraryClasses[LibraryClass, Module.ModuleType]\r
-\r
-        # add forced library instances (specified in module overrides)\r
-        for LibraryClass in PlatformModule.LibraryClasses:\r
-            if LibraryClass.startswith("NULL"):\r
-                Module.LibraryClasses[LibraryClass] = PlatformModule.LibraryClasses[LibraryClass]\r
-\r
-        # EdkII module\r
-        LibraryConsumerList = [Module]\r
-        Constructor         = []\r
-        ConsumedByList      = OrderedDict()\r
-        LibraryInstance     = OrderedDict()\r
-\r
-        EdkLogger.verbose("")\r
-        EdkLogger.verbose("Library instances of module [%s] [%s]:" % (str(Module), self.Arch))\r
-        while len(LibraryConsumerList) > 0:\r
-            M = LibraryConsumerList.pop()\r
-            for LibraryClassName in M.LibraryClasses:\r
-                if LibraryClassName not in LibraryInstance:\r
-                    # override library instance for this module\r
-                    if LibraryClassName in PlatformModule.LibraryClasses:\r
-                        LibraryPath = PlatformModule.LibraryClasses[LibraryClassName]\r
-                    else:\r
-                        LibraryPath = self.Platform.LibraryClasses[LibraryClassName, ModuleType]\r
-                    if LibraryPath is None or LibraryPath == "":\r
-                        LibraryPath = M.LibraryClasses[LibraryClassName]\r
-                        if LibraryPath is None or LibraryPath == "":\r
-                            EdkLogger.error("build", RESOURCE_NOT_AVAILABLE,\r
-                                            "Instance of library class [%s] is not found" % LibraryClassName,\r
-                                            File=self.MetaFile,\r
-                                            ExtraData="in [%s] [%s]\n\tconsumed by module [%s]" % (str(M), self.Arch, str(Module)))\r
-\r
-                    LibraryModule = self.BuildDatabase[LibraryPath, self.Arch, self.BuildTarget, self.ToolChain]\r
-                    # for those forced library instance (NULL library), add a fake library class\r
-                    if LibraryClassName.startswith("NULL"):\r
-                        LibraryModule.LibraryClass.append(LibraryClassObject(LibraryClassName, [ModuleType]))\r
-                    elif LibraryModule.LibraryClass is None \\r
-                         or len(LibraryModule.LibraryClass) == 0 \\r
-                         or (ModuleType != 'USER_DEFINED'\r
-                             and ModuleType not in LibraryModule.LibraryClass[0].SupModList):\r
-                        # only USER_DEFINED can link against any library instance despite of its SupModList\r
-                        EdkLogger.error("build", OPTION_MISSING,\r
-                                        "Module type [%s] is not supported by library instance [%s]" \\r
-                                        % (ModuleType, LibraryPath), File=self.MetaFile,\r
-                                        ExtraData="consumed by [%s]" % str(Module))\r
-\r
-                    LibraryInstance[LibraryClassName] = LibraryModule\r
-                    LibraryConsumerList.append(LibraryModule)\r
-                    EdkLogger.verbose("\t" + str(LibraryClassName) + " : " + str(LibraryModule))\r
-                else:\r
-                    LibraryModule = LibraryInstance[LibraryClassName]\r
-\r
-                if LibraryModule is None:\r
-                    continue\r
-\r
-                if LibraryModule.ConstructorList != [] and LibraryModule not in Constructor:\r
-                    Constructor.append(LibraryModule)\r
-\r
-                if LibraryModule not in ConsumedByList:\r
-                    ConsumedByList[LibraryModule] = []\r
-                # don't add current module itself to consumer list\r
-                if M != Module:\r
-                    if M in ConsumedByList[LibraryModule]:\r
-                        continue\r
-                    ConsumedByList[LibraryModule].append(M)\r
-        #\r
-        # Initialize the sorted output list to the empty set\r
-        #\r
-        SortedLibraryList = []\r
-        #\r
-        # Q <- Set of all nodes with no incoming edges\r
-        #\r
-        LibraryList = [] #LibraryInstance.values()\r
-        Q = []\r
-        for LibraryClassName in LibraryInstance:\r
-            M = LibraryInstance[LibraryClassName]\r
-            LibraryList.append(M)\r
-            if ConsumedByList[M] == []:\r
-                Q.append(M)\r
-\r
-        #\r
-        # start the  DAG algorithm\r
-        #\r
-        while True:\r
-            EdgeRemoved = True\r
-            while Q == [] and EdgeRemoved:\r
-                EdgeRemoved = False\r
-                # for each node Item with a Constructor\r
-                for Item in LibraryList:\r
-                    if Item not in Constructor:\r
-                        continue\r
-                    # for each Node without a constructor with an edge e from Item to Node\r
-                    for Node in ConsumedByList[Item]:\r
-                        if Node in Constructor:\r
-                            continue\r
-                        # remove edge e from the graph if Node has no constructor\r
-                        ConsumedByList[Item].remove(Node)\r
-                        EdgeRemoved = True\r
-                        if ConsumedByList[Item] == []:\r
-                            # insert Item into Q\r
-                            Q.insert(0, Item)\r
-                            break\r
-                    if Q != []:\r
-                        break\r
-            # DAG is done if there's no more incoming edge for all nodes\r
-            if Q == []:\r
-                break\r
-\r
-            # remove node from Q\r
-            Node = Q.pop()\r
-            # output Node\r
-            SortedLibraryList.append(Node)\r
-\r
-            # for each node Item with an edge e from Node to Item do\r
-            for Item in LibraryList:\r
-                if Node not in ConsumedByList[Item]:\r
-                    continue\r
-                # remove edge e from the graph\r
-                ConsumedByList[Item].remove(Node)\r
-\r
-                if ConsumedByList[Item] != []:\r
-                    continue\r
-                # insert Item into Q, if Item has no other incoming edges\r
-                Q.insert(0, Item)\r
-\r
-        #\r
-        # if any remaining node Item in the graph has a constructor and an incoming edge, then the graph has a cycle\r
-        #\r
-        for Item in LibraryList:\r
-            if ConsumedByList[Item] != [] and Item in Constructor and len(Constructor) > 1:\r
-                ErrorMessage = "\tconsumed by " + "\n\tconsumed by ".join([str(L) for L in ConsumedByList[Item]])\r
-                EdkLogger.error("build", BUILD_ERROR, 'Library [%s] with constructors has a cycle' % str(Item),\r
-                                ExtraData=ErrorMessage, File=self.MetaFile)\r
-            if Item not in SortedLibraryList:\r
-                SortedLibraryList.append(Item)\r
-\r
-        #\r
-        # Build the list of constructor and destructir names\r
-        # The DAG Topo sort produces the destructor order, so the list of constructors must generated in the reverse order\r
-        #\r
-        SortedLibraryList.reverse()\r
-        return SortedLibraryList\r
-\r
+        return GetModuleLibInstances(Module,\r
+                                     self.Platform,\r
+                                     self.BuildDatabase,\r
+                                     self.Arch,\r
+                                     self.BuildTarget,\r
+                                     self.ToolChain,\r
+                                     self.MetaFile,\r
+                                     EdkLogger)\r
 \r
     ## Override PCD setting (type, value, ...)\r
     #\r
     #   @param  ToPcd       The PCD to be overrided\r
     #   @param  FromPcd     The PCD overrideing from\r
     #\r
-    def _OverridePcd(self, ToPcd, FromPcd, Module=""):\r
+    def _OverridePcd(self, ToPcd, FromPcd, Module="", Msg="", Library=""):\r
         #\r
         # in case there's PCDs coming from FDF file, which have no type given.\r
         # at this point, ToPcd.Type has the type found from dependent\r
@@ -2361,31 +2201,32 @@ class PlatformAutoGen(AutoGen):
                 TokenCName = PcdItem[0]\r
                 break\r
         if FromPcd is not None:\r
-            if ToPcd.Pending and FromPcd.Type not in [None, '']:\r
+            if ToPcd.Pending and FromPcd.Type:\r
                 ToPcd.Type = FromPcd.Type\r
-            elif (ToPcd.Type not in [None, '']) and (FromPcd.Type not in [None, ''])\\r
+            elif (ToPcd.Type) and (FromPcd.Type)\\r
                 and (ToPcd.Type != FromPcd.Type) and (ToPcd.Type in FromPcd.Type):\r
-                if ToPcd.Type.strip() == "DynamicEx":\r
+                if ToPcd.Type.strip() == TAB_PCDS_DYNAMIC_EX:\r
                     ToPcd.Type = FromPcd.Type\r
-            elif ToPcd.Type not in [None, ''] and FromPcd.Type not in [None, ''] \\r
+            elif ToPcd.Type and FromPcd.Type \\r
                 and ToPcd.Type != FromPcd.Type:\r
+                if Library:\r
+                    Module = str(Module) + " 's library file (" + str(Library) + ")"\r
                 EdkLogger.error("build", OPTION_CONFLICT, "Mismatched PCD type",\r
-                                ExtraData="%s.%s is defined as [%s] in module %s, but as [%s] in platform."\\r
+                                ExtraData="%s.%s is used as [%s] in module %s, but as [%s] in %s."\\r
                                           % (ToPcd.TokenSpaceGuidCName, TokenCName,\r
-                                             ToPcd.Type, Module, FromPcd.Type),\r
+                                             ToPcd.Type, Module, FromPcd.Type, Msg),\r
                                           File=self.MetaFile)\r
 \r
-            if FromPcd.MaxDatumSize not in [None, '']:\r
+            if FromPcd.MaxDatumSize:\r
                 ToPcd.MaxDatumSize = FromPcd.MaxDatumSize\r
-            if FromPcd.DefaultValue not in [None, '']:\r
+                ToPcd.MaxSizeUserSet = FromPcd.MaxDatumSize\r
+            if FromPcd.DefaultValue:\r
                 ToPcd.DefaultValue = FromPcd.DefaultValue\r
-            if FromPcd.TokenValue not in [None, '']:\r
+            if FromPcd.TokenValue:\r
                 ToPcd.TokenValue = FromPcd.TokenValue\r
-            if FromPcd.MaxDatumSize not in [None, '']:\r
-                ToPcd.MaxDatumSize = FromPcd.MaxDatumSize\r
-            if FromPcd.DatumType not in [None, '']:\r
+            if FromPcd.DatumType:\r
                 ToPcd.DatumType = FromPcd.DatumType\r
-            if FromPcd.SkuInfoList not in [None, '', []]:\r
+            if FromPcd.SkuInfoList:\r
                 ToPcd.SkuInfoList = FromPcd.SkuInfoList\r
             # Add Flexible PCD format parse\r
             if ToPcd.DefaultValue:\r
@@ -2404,11 +2245,11 @@ class PlatformAutoGen(AutoGen):
             ToPcd.validlists = FromPcd.validlists\r
             ToPcd.expressions = FromPcd.expressions\r
 \r
-        if FromPcd is not None and ToPcd.DatumType == "VOID*" and ToPcd.MaxDatumSize in ['', None]:\r
+        if FromPcd is not None and ToPcd.DatumType == TAB_VOID and not ToPcd.MaxDatumSize:\r
             EdkLogger.debug(EdkLogger.DEBUG_9, "No MaxDatumSize specified for PCD %s.%s" \\r
                             % (ToPcd.TokenSpaceGuidCName, TokenCName))\r
             Value = ToPcd.DefaultValue\r
-            if Value in [None, '']:\r
+            if not Value:\r
                 ToPcd.MaxDatumSize = '1'\r
             elif Value[0] == 'L':\r
                 ToPcd.MaxDatumSize = str((len(Value) - 2) * 2)\r
@@ -2418,12 +2259,12 @@ class PlatformAutoGen(AutoGen):
                 ToPcd.MaxDatumSize = str(len(Value) - 1)\r
 \r
         # apply default SKU for dynamic PCDS if specified one is not available\r
-        if (ToPcd.Type in PCD_DYNAMIC_TYPE_LIST or ToPcd.Type in PCD_DYNAMIC_EX_TYPE_LIST) \\r
-            and ToPcd.SkuInfoList in [None, {}, '']:\r
+        if (ToPcd.Type in PCD_DYNAMIC_TYPE_SET or ToPcd.Type in PCD_DYNAMIC_EX_TYPE_SET) \\r
+            and not ToPcd.SkuInfoList:\r
             if self.Platform.SkuName in self.Platform.SkuIds:\r
                 SkuName = self.Platform.SkuName\r
             else:\r
-                SkuName = 'DEFAULT'\r
+                SkuName = TAB_DEFAULT\r
             ToPcd.SkuInfoList = {\r
                 SkuName : SkuInfoClass(SkuName, self.Platform.SkuIds[SkuName][0], '', '', '', '', '', ToPcd.DefaultValue)\r
             }\r
@@ -2434,7 +2275,7 @@ class PlatformAutoGen(AutoGen):
     #\r
     #   @retval PCD_list    The list PCDs with settings from platform\r
     #\r
-    def ApplyPcdSetting(self, Module, Pcds):\r
+    def ApplyPcdSetting(self, Module, Pcds, Library=""):\r
         # for each PCD in module\r
         for Name, Guid in Pcds:\r
             PcdInModule = Pcds[Name, Guid]\r
@@ -2444,14 +2285,14 @@ class PlatformAutoGen(AutoGen):
             else:\r
                 PcdInPlatform = None\r
             # then override the settings if any\r
-            self._OverridePcd(PcdInModule, PcdInPlatform, Module)\r
+            self._OverridePcd(PcdInModule, PcdInPlatform, Module, Msg="DSC PCD sections", Library=Library)\r
             # resolve the VariableGuid value\r
             for SkuId in PcdInModule.SkuInfoList:\r
                 Sku = PcdInModule.SkuInfoList[SkuId]\r
                 if Sku.VariableGuid == '': continue\r
                 Sku.VariableGuidValue = GuidValue(Sku.VariableGuid, self.PackageList, self.MetaFile.Path)\r
                 if Sku.VariableGuidValue is None:\r
-                    PackageList = "\n\t".join([str(P) for P in self.PackageList])\r
+                    PackageList = "\n\t".join(str(P) for P in self.PackageList)\r
                     EdkLogger.error(\r
                                 'build',\r
                                 RESOURCE_NOT_AVAILABLE,\r
@@ -2476,13 +2317,14 @@ class PlatformAutoGen(AutoGen):
                             Flag = True\r
                             break\r
                 if Flag:\r
-                    self._OverridePcd(ToPcd, PlatformModule.Pcds[Key], Module)\r
+                    self._OverridePcd(ToPcd, PlatformModule.Pcds[Key], Module, Msg="DSC Components Module scoped PCD section", Library=Library)\r
         # use PCD value to calculate the MaxDatumSize when it is not specified\r
         for Name, Guid in Pcds:\r
             Pcd = Pcds[Name, Guid]\r
-            if Pcd.DatumType == "VOID*" and Pcd.MaxDatumSize in ['', None]:\r
+            if Pcd.DatumType == TAB_VOID and not Pcd.MaxDatumSize:\r
+                Pcd.MaxSizeUserSet = None\r
                 Value = Pcd.DefaultValue\r
-                if Value in [None, '']:\r
+                if not Value:\r
                     Pcd.MaxDatumSize = '1'\r
                 elif Value[0] == 'L':\r
                     Pcd.MaxDatumSize = str((len(Value) - 2) * 2)\r
@@ -2514,7 +2356,7 @@ class PlatformAutoGen(AutoGen):
             for LibraryName in M.Libraries:\r
                 Library = self.Platform.LibraryClasses[LibraryName, ':dummy:']\r
                 if Library is None:\r
-                    for Key in self.Platform.LibraryClasses.data.keys():\r
+                    for Key in self.Platform.LibraryClasses.data:\r
                         if LibraryName.upper() == Key.upper():\r
                             Library = self.Platform.LibraryClasses[Key, ':dummy:']\r
                             break\r
@@ -2711,40 +2553,31 @@ class PlatformAutoGen(AutoGen):
         AllTools = set(ModuleOptions.keys() + PlatformOptions.keys() +\r
                        PlatformModuleOptions.keys() + ModuleTypeOptions.keys() +\r
                        self.ToolDefinition.keys())\r
-        BuildOptions = {}\r
+        BuildOptions = defaultdict(lambda: defaultdict(str))\r
         for Tool in AllTools:\r
-            if Tool not in BuildOptions:\r
-                BuildOptions[Tool] = {}\r
-\r
             for Options in [self.ToolDefinition, ModuleOptions, PlatformOptions, ModuleTypeOptions, PlatformModuleOptions]:\r
                 if Tool not in Options:\r
                     continue\r
                 for Attr in Options[Tool]:\r
-                    Value = Options[Tool][Attr]\r
                     #\r
                     # Do not generate it in Makefile\r
                     #\r
                     if Attr == TAB_TOD_DEFINES_BUILDRULEORDER:\r
                         continue\r
-                    if Attr not in BuildOptions[Tool]:\r
-                        BuildOptions[Tool][Attr] = ""\r
+                    Value = Options[Tool][Attr]\r
                     # check if override is indicated\r
                     if Value.startswith('='):\r
-                        ToolPath = Value[1:]\r
-                        ToolPath = mws.handleWsMacro(ToolPath)\r
-                        BuildOptions[Tool][Attr] = ToolPath\r
+                        BuildOptions[Tool][Attr] = mws.handleWsMacro(Value[1:])\r
                     else:\r
-                        Value = mws.handleWsMacro(Value)\r
                         if Attr != 'PATH':\r
-                            BuildOptions[Tool][Attr] += " " + Value\r
+                            BuildOptions[Tool][Attr] += " " + mws.handleWsMacro(Value)\r
                         else:\r
-                            BuildOptions[Tool][Attr] = Value\r
+                            BuildOptions[Tool][Attr] = mws.handleWsMacro(Value)\r
+\r
         if Module.AutoGenVersion < 0x00010005 and self.Workspace.UniFlag is not None:\r
             #\r
             # Override UNI flag only for EDK module.\r
             #\r
-            if 'BUILD' not in BuildOptions:\r
-                BuildOptions['BUILD'] = {}\r
             BuildOptions['BUILD']['FLAGS'] = self.Workspace.UniFlag\r
         return BuildOptions, BuildRuleOrder\r
 \r
@@ -2822,7 +2655,7 @@ class ModuleAutoGen(AutoGen):
 \r
         self.Workspace = Workspace\r
         self.WorkspaceDir = Workspace.WorkspaceDir\r
-\r
+        self._GuidDict = Workspace._GuidDict\r
         self.MetaFile = ModuleFile\r
         self.PlatformInfo = PlatformAutoGen(Workspace, PlatformFile, Target, Toolchain, Arch)\r
 \r
@@ -2924,7 +2757,7 @@ class ModuleAutoGen(AutoGen):
         if self._FixedAtBuildPcds:\r
             return self._FixedAtBuildPcds\r
         for Pcd in self.ModulePcdList:\r
-            if Pcd.Type != "FixedAtBuild":\r
+            if Pcd.Type != TAB_PCDS_FIXED_AT_BUILD:\r
                 continue\r
             if Pcd not in self._FixedAtBuildPcds:\r
                 self._FixedAtBuildPcds.append(Pcd)\r
@@ -3075,7 +2908,7 @@ class ModuleAutoGen(AutoGen):
     def _GetFfsOutputDir(self):\r
         if self._FfsOutputDir is None:\r
             if GlobalData.gFdfParser is not None:\r
-                self._FfsOutputDir = path.join(self.PlatformInfo.BuildDir, "FV", "Ffs", self.Guid + self.Name)\r
+                self._FfsOutputDir = path.join(self.PlatformInfo.BuildDir, TAB_FV_DIRECTORY, "Ffs", self.Guid + self.Name)\r
             else:\r
                 self._FfsOutputDir = ''\r
         return self._FfsOutputDir\r
@@ -3146,7 +2979,7 @@ class ModuleAutoGen(AutoGen):
             InfObj = InfSectionParser.InfSectionParser(Filename)\r
             DepexExpresionList = InfObj.GetDepexExpresionList()\r
             for DepexExpresion in DepexExpresionList:\r
-                for key in DepexExpresion.keys():\r
+                for key in DepexExpresion:\r
                     Arch, ModuleType = key\r
                     DepexExpr = [x for x in DepexExpresion[key] if not str(x).startswith('#')]\r
                     # the type of build module is USER_DEFINED.\r
@@ -3164,9 +2997,9 @@ class ModuleAutoGen(AutoGen):
         #the type of build module is USER_DEFINED.\r
         if self.ModuleType.upper() == SUP_MODULE_USER_DEFINED:\r
             for Depex in DepexList:\r
-                for key in Depex.keys():\r
+                for key in Depex:\r
                     DepexStr += '[Depex.%s.%s]\n' % key\r
-                    DepexStr += '\n'.join(['# '+ val for val in Depex[key]])\r
+                    DepexStr += '\n'.join('# '+ val for val in Depex[key])\r
                     DepexStr += '\n\n'\r
             if not DepexStr:\r
                 return '[Depex.%s]\n' % self.Arch\r
@@ -3180,7 +3013,7 @@ class ModuleAutoGen(AutoGen):
                 DepexStr += ' AND '\r
             DepexStr += '('\r
             for D in Depex.values():\r
-                DepexStr += ' '.join([val for val in D])\r
+                DepexStr += ' '.join(val for val in D)\r
             Index = DepexStr.find('END')\r
             if Index > -1 and Index == len(DepexStr) - 3:\r
                 DepexStr = DepexStr[:-3]\r
@@ -3274,7 +3107,7 @@ class ModuleAutoGen(AutoGen):
             InfObj = InfSectionParser.InfSectionParser(Filename)\r
             TianoCoreUserExtenList = InfObj.GetUserExtensionTianoCore()\r
             for TianoCoreUserExtent in TianoCoreUserExtenList:\r
-                for Section in TianoCoreUserExtent.keys():\r
+                for Section in TianoCoreUserExtent:\r
                     ItemList = Section.split(TAB_SPLIT)\r
                     Arch = self.Arch\r
                     if len(ItemList) == 4:\r
@@ -3461,7 +3294,7 @@ class ModuleAutoGen(AutoGen):
         if self._BinaryFileList is None:\r
             self._BinaryFileList = []\r
             for F in self.Module.Binaries:\r
-                if F.Target not in ['COMMON', '*'] and F.Target != self.BuildTarget:\r
+                if F.Target not in [TAB_ARCH_COMMON, '*'] and F.Target != self.BuildTarget:\r
                     continue\r
                 self._BinaryFileList.append(F)\r
                 self._ApplyBuildRule(F, F.Type)\r
@@ -3498,8 +3331,8 @@ class ModuleAutoGen(AutoGen):
         if self._BuildTargets is None:\r
             self._IntroBuildTargetList = set()\r
             self._FinalBuildTargetList = set()\r
-            self._BuildTargets = {}\r
-            self._FileTypes = {}\r
+            self._BuildTargets = defaultdict(set)\r
+            self._FileTypes = defaultdict(set)\r
 \r
         SubDirectory = os.path.join(self.OutputDir, File.SubDir)\r
         if not os.path.exists(SubDirectory):\r
@@ -3536,8 +3369,6 @@ class ModuleAutoGen(AutoGen):
                 break\r
 \r
             FileType = RuleObject.SourceFileType\r
-            if FileType not in self._FileTypes:\r
-                self._FileTypes[FileType] = set()\r
             self._FileTypes[FileType].add(Source)\r
 \r
             # stop at STATIC_LIBRARY for library\r
@@ -3555,8 +3386,6 @@ class ModuleAutoGen(AutoGen):
                 # Only do build for target with outputs\r
                 self._FinalBuildTargetList.add(Target)\r
 \r
-            if FileType not in self._BuildTargets:\r
-                self._BuildTargets[FileType] = set()\r
             self._BuildTargets[FileType].add(Target)\r
 \r
             if not Source.IsBinary and Source == File:\r
@@ -3575,8 +3404,8 @@ class ModuleAutoGen(AutoGen):
         if self._BuildTargets is None:\r
             self._IntroBuildTargetList = set()\r
             self._FinalBuildTargetList = set()\r
-            self._BuildTargets = {}\r
-            self._FileTypes = {}\r
+            self._BuildTargets = defaultdict(set)\r
+            self._FileTypes = defaultdict(set)\r
 \r
         #TRICK: call _GetSourceFileList to apply build rule for source files\r
         if self.SourceFileList:\r
@@ -3701,15 +3530,17 @@ class ModuleAutoGen(AutoGen):
             Pcds = OrderedDict()\r
             if not self.IsLibrary:\r
                 # get PCDs from dependent libraries\r
+                self._LibraryPcdList = []\r
                 for Library in self.DependentLibraryList:\r
+                    PcdsInLibrary = OrderedDict()\r
                     self.UpdateComments(self._PcdComments, Library.PcdComments)\r
                     for Key in Library.Pcds:\r
                         # skip duplicated PCDs\r
                         if Key in self.Module.Pcds or Key in Pcds:\r
                             continue\r
                         Pcds[Key] = copy.copy(Library.Pcds[Key])\r
-                # apply PCD settings from platform\r
-                self._LibraryPcdList = self.PlatformInfo.ApplyPcdSetting(self.Module, Pcds)\r
+                        PcdsInLibrary[Key] = Pcds[Key]\r
+                    self._LibraryPcdList.extend(self.PlatformInfo.ApplyPcdSetting(self.Module, PcdsInLibrary, Library=Library))\r
             else:\r
                 self._LibraryPcdList = []\r
         return self._LibraryPcdList\r
@@ -3816,7 +3647,7 @@ class ModuleAutoGen(AutoGen):
         if not self.SourceFileList:\r
             return []\r
 \r
-        NameGuids = []\r
+        NameGuids = set()\r
         for SrcFile in self.SourceFileList:\r
             if SrcFile.Ext.lower() != '.vfr':\r
                 continue\r
@@ -3848,7 +3679,7 @@ class ModuleAutoGen(AutoGen):
                 if not Guid:\r
                     break\r
                 NameArray = ConvertStringToByteArray('L"' + Name.group(1) + '"')\r
-                NameGuids.append((NameArray, GuidStructureStringToGuidString(Guid.group(1))))\r
+                NameGuids.add((NameArray, GuidStructureStringToGuidString(Guid.group(1))))\r
                 Pos = Content.find('efivarstore', Name.end())\r
         if not NameGuids:\r
             return []\r
@@ -3923,7 +3754,6 @@ class ModuleAutoGen(AutoGen):
                 VfrGuid = [0xb4, 0x7c, 0xbc, 0xd0, 0x47, 0x6a, 0x5f, 0x49, 0xaa, 0x11, 0x71, 0x7, 0x46, 0xda, 0x6, 0xa2]\r
                 VfrGuid = [chr(ItemGuid) for ItemGuid in VfrGuid]\r
                 fStringIO.write(''.join(VfrGuid))                   \r
-                type (Item[1]) \r
                 VfrValue = pack ('Q', int (Item[1], 16))\r
                 fStringIO.write (VfrValue)\r
         #\r
@@ -3942,7 +3772,7 @@ class ModuleAutoGen(AutoGen):
     ## Create AsBuilt INF file the module\r
     #\r
     def CreateAsBuiltInf(self, IsOnlyCopy = False):\r
-        self.OutputFile = []\r
+        self.OutputFile = set()\r
         if IsOnlyCopy:\r
             if GlobalData.gBinCacheDest:\r
                 self.CopyModuleToCache()\r
@@ -3960,11 +3790,11 @@ class ModuleAutoGen(AutoGen):
             return\r
             \r
         # Skip the following code for modules with no source files\r
-        if self.SourceFileList is None or self.SourceFileList == []:\r
+        if not self.SourceFileList:\r
             return\r
 \r
         # Skip the following code for modules without any binary files\r
-        if self.BinaryFileList <> None and self.BinaryFileList <> []:\r
+        if self.BinaryFileList:\r
             return\r
             \r
         ### TODO: How to handles mixed source and binary modules\r
@@ -3979,12 +3809,12 @@ class ModuleAutoGen(AutoGen):
         for Pcd in self.ModulePcdList + self.LibraryPcdList:\r
             if Pcd.Type == TAB_PCDS_PATCHABLE_IN_MODULE:\r
                 PatchablePcds += [Pcd]\r
-                PcdCheckList.append((Pcd.TokenCName, Pcd.TokenSpaceGuidCName, 'PatchableInModule'))\r
-            elif Pcd.Type in GenC.gDynamicExPcd:\r
+                PcdCheckList.append((Pcd.TokenCName, Pcd.TokenSpaceGuidCName, TAB_PCDS_PATCHABLE_IN_MODULE))\r
+            elif Pcd.Type in PCD_DYNAMIC_EX_TYPE_SET:\r
                 if Pcd not in Pcds:\r
                     Pcds += [Pcd]\r
-                    PcdCheckList.append((Pcd.TokenCName, Pcd.TokenSpaceGuidCName, 'DynamicEx'))\r
-                    PcdCheckList.append((Pcd.TokenCName, Pcd.TokenSpaceGuidCName, 'Dynamic'))\r
+                    PcdCheckList.append((Pcd.TokenCName, Pcd.TokenSpaceGuidCName, TAB_PCDS_DYNAMIC_EX))\r
+                    PcdCheckList.append((Pcd.TokenCName, Pcd.TokenSpaceGuidCName, TAB_PCDS_DYNAMIC))\r
                     PcdTokenSpaceList.append(Pcd.TokenSpaceGuidCName)\r
         GuidList = OrderedDict()\r
         GuidList.update(self.GuidList)\r
@@ -4012,14 +3842,14 @@ class ModuleAutoGen(AutoGen):
             if Pkg in Packages:\r
                 continue\r
             for VfrPcd in VfrPcds:\r
-                if ((VfrPcd.TokenCName, VfrPcd.TokenSpaceGuidCName, 'DynamicEx') in Pkg.Pcds or\r
-                    (VfrPcd.TokenCName, VfrPcd.TokenSpaceGuidCName, 'Dynamic') in Pkg.Pcds):\r
+                if ((VfrPcd.TokenCName, VfrPcd.TokenSpaceGuidCName, TAB_PCDS_DYNAMIC_EX) in Pkg.Pcds or\r
+                    (VfrPcd.TokenCName, VfrPcd.TokenSpaceGuidCName, TAB_PCDS_DYNAMIC) in Pkg.Pcds):\r
                     Packages += [Pkg]\r
                     break\r
 \r
         ModuleType = self.ModuleType\r
-        if ModuleType == 'UEFI_DRIVER' and self.DepexGenerated:\r
-            ModuleType = 'DXE_DRIVER'\r
+        if ModuleType == SUP_MODULE_UEFI_DRIVER and self.DepexGenerated:\r
+            ModuleType = SUP_MODULE_DXE_DRIVER\r
 \r
         DriverType = ''\r
         if self.PcdIsDriver != '':\r
@@ -4083,8 +3913,7 @@ class ModuleAutoGen(AutoGen):
         DebugDir = self.DebugDir.replace('\\', '/').strip('/')\r
         for Item in self.CodaTargetList:\r
             File = Item.Target.Path.replace('\\', '/').strip('/').replace(DebugDir, '').replace(OutputDir, '').strip('/')\r
-            if File not in self.OutputFile:\r
-                self.OutputFile.append(File)\r
+            self.OutputFile.add(File)\r
             if os.path.isabs(File):\r
                 File = File.replace('\\', '/').strip('/').replace(OutputDir, '').strip('/')\r
             if Item.Target.Ext.lower() == '.aml':\r
@@ -4096,27 +3925,24 @@ class ModuleAutoGen(AutoGen):
             else:\r
                 AsBuiltInfDict['binary_item'] += ['BIN|' + File]\r
         if self.DepexGenerated:\r
-            if self.Name + '.depex' not in self.OutputFile:\r
-                self.OutputFile.append(self.Name + '.depex')\r
-            if self.ModuleType in ['PEIM']:\r
+            self.OutputFile.add(self.Name + '.depex')\r
+            if self.ModuleType in [SUP_MODULE_PEIM]:\r
                 AsBuiltInfDict['binary_item'] += ['PEI_DEPEX|' + self.Name + '.depex']\r
-            if self.ModuleType in ['DXE_DRIVER', 'DXE_RUNTIME_DRIVER', 'DXE_SAL_DRIVER', 'UEFI_DRIVER']:\r
+            if self.ModuleType in [SUP_MODULE_DXE_DRIVER, SUP_MODULE_DXE_RUNTIME_DRIVER, SUP_MODULE_DXE_SAL_DRIVER, SUP_MODULE_UEFI_DRIVER]:\r
                 AsBuiltInfDict['binary_item'] += ['DXE_DEPEX|' + self.Name + '.depex']\r
-            if self.ModuleType in ['DXE_SMM_DRIVER']:\r
+            if self.ModuleType in [SUP_MODULE_DXE_SMM_DRIVER]:\r
                 AsBuiltInfDict['binary_item'] += ['SMM_DEPEX|' + self.Name + '.depex']\r
 \r
         Bin = self._GenOffsetBin()\r
         if Bin:\r
             AsBuiltInfDict['binary_item'] += ['BIN|%s' % Bin]\r
-            if Bin not in self.OutputFile:\r
-                self.OutputFile.append(Bin)\r
+            self.OutputFile.add(Bin)\r
 \r
         for Root, Dirs, Files in os.walk(OutputDir):\r
             for File in Files:\r
                 if File.lower().endswith('.pdb'):\r
                     AsBuiltInfDict['binary_item'] += ['DISPOSABLE|' + File]\r
-                    if File not in self.OutputFile:\r
-                        self.OutputFile.append(File)\r
+                    self.OutputFile.add(File)\r
         HeaderComments = self.Module.HeaderComments\r
         StartPos = 0\r
         for Index in range(len(HeaderComments)):\r
@@ -4165,13 +3991,13 @@ class ModuleAutoGen(AutoGen):
                     elif BoolValue == 'FALSE':\r
                         Pcd.DefaultValue = '0'\r
 \r
-                if Pcd.DatumType in ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN']:\r
+                if Pcd.DatumType in TAB_PCD_NUMERIC_TYPES:\r
                     HexFormat = '0x%02x'\r
-                    if Pcd.DatumType == 'UINT16':\r
+                    if Pcd.DatumType == TAB_UINT16:\r
                         HexFormat = '0x%04x'\r
-                    elif Pcd.DatumType == 'UINT32':\r
+                    elif Pcd.DatumType == TAB_UINT32:\r
                         HexFormat = '0x%08x'\r
-                    elif Pcd.DatumType == 'UINT64':\r
+                    elif Pcd.DatumType == TAB_UINT64:\r
                         HexFormat = '0x%016x'\r
                     PcdValue = HexFormat % int(Pcd.DefaultValue, 0)\r
                 else:\r
@@ -4200,9 +4026,12 @@ class ModuleAutoGen(AutoGen):
                             Padding = Padding * 2\r
                             ArraySize = ArraySize / 2\r
                         if ArraySize < (len(PcdValue) + 1):\r
-                            EdkLogger.error("build", AUTOGEN_ERROR,\r
+                            if Pcd.MaxSizeUserSet:\r
+                                EdkLogger.error("build", AUTOGEN_ERROR,\r
                                             "The maximum size of VOID* type PCD '%s.%s' is less than its actual size occupied." % (Pcd.TokenSpaceGuidCName, TokenCName)\r
                                             )\r
+                            else:\r
+                                ArraySize = len(PcdValue) + 1\r
                         if ArraySize > len(PcdValue) + 1:\r
                             NewValue = NewValue + Padding * (ArraySize - len(PcdValue) - 1)\r
                         PcdValue = NewValue + Padding.strip().rstrip(',') + '}'\r
@@ -4210,9 +4039,12 @@ class ModuleAutoGen(AutoGen):
                         PcdValue = PcdValue.rstrip('}') + ', 0x00' * (ArraySize - len(PcdValue.split(',')))\r
                         PcdValue += '}'\r
                     else:\r
-                        EdkLogger.error("build", AUTOGEN_ERROR,\r
+                        if Pcd.MaxSizeUserSet:\r
+                            EdkLogger.error("build", AUTOGEN_ERROR,\r
                                         "The maximum size of VOID* type PCD '%s.%s' is less than its actual size occupied." % (Pcd.TokenSpaceGuidCName, TokenCName)\r
                                         )\r
+                        else:\r
+                            ArraySize = len(PcdValue) + 1\r
                 PcdItem = '%s.%s|%s|0x%X' % \\r
                     (Pcd.TokenSpaceGuidCName, TokenCName, PcdValue, PatchPcd[1])\r
                 PcdComments = ''\r
@@ -4222,7 +4054,7 @@ class ModuleAutoGen(AutoGen):
                     PcdItem = PcdComments + '\n  ' + PcdItem\r
                 AsBuiltInfDict['patchablepcd_item'].append(PcdItem)\r
 \r
-        HiiPcds = []\r
+        HiiPcds = set()\r
         for Pcd in Pcds + VfrPcds:\r
             PcdComments = ''\r
             PcdCommentList = []\r
@@ -4245,8 +4077,7 @@ class ModuleAutoGen(AutoGen):
                 #\r
                 if (SkuId, Pcd.TokenSpaceGuidCName, Pcd.TokenCName) in HiiPcds:\r
                     continue\r
-                else:\r
-                    HiiPcds.append((SkuId, Pcd.TokenSpaceGuidCName, Pcd.TokenCName))\r
+                HiiPcds.add((SkuId, Pcd.TokenSpaceGuidCName, Pcd.TokenCName))\r
             if (Pcd.TokenSpaceGuidCName, Pcd.TokenCName) in self._PcdComments:\r
                 PcdCommentList = self._PcdComments[Pcd.TokenSpaceGuidCName, Pcd.TokenCName][:]\r
             if HiiInfo:\r
@@ -4425,8 +4256,8 @@ class ModuleAutoGen(AutoGen):
             return\r
 \r
         for ModuleType in self.DepexList:\r
-            # Ignore empty [depex] section or [depex] section for "USER_DEFINED" module\r
-            if len(self.DepexList[ModuleType]) == 0 or ModuleType == "USER_DEFINED":\r
+            # Ignore empty [depex] section or [depex] section for SUP_MODULE_USER_DEFINED module\r
+            if len(self.DepexList[ModuleType]) == 0 or ModuleType == SUP_MODULE_USER_DEFINED:\r
                 continue\r
 \r
             Dpx = GenDepex.DependencyExpression(self.DepexList[ModuleType], ModuleType, True)\r
@@ -4480,13 +4311,13 @@ class ModuleAutoGen(AutoGen):
         m.update(GlobalData.gPlatformHash)\r
         # Add Package level hash\r
         if self.DependentPackageList:\r
-            for Pkg in self.DependentPackageList:\r
+            for Pkg in sorted(self.DependentPackageList, key=lambda x: x.PackageName):\r
                 if Pkg.PackageName in GlobalData.gPackageHash[self.Arch]:\r
                     m.update(GlobalData.gPackageHash[self.Arch][Pkg.PackageName])\r
 \r
         # Add Library hash\r
         if self.LibraryAutoGenList:\r
-            for Lib in self.LibraryAutoGenList:\r
+            for Lib in sorted(self.LibraryAutoGenList, key=lambda x: x.Name):\r
                 if Lib.Name not in GlobalData.gModuleHash[self.Arch]:\r
                     Lib.GenModuleHash()\r
                 m.update(GlobalData.gModuleHash[self.Arch][Lib.Name])\r
@@ -4498,7 +4329,7 @@ class ModuleAutoGen(AutoGen):
         m.update(Content)\r
         # Add Module's source files\r
         if self.SourceFileList:\r
-            for File in self.SourceFileList:\r
+            for File in sorted(self.SourceFileList, key=lambda x: str(x)):\r
                 f = open(str(File), 'r')\r
                 Content = f.read()\r
                 f.close()\r