BaseTools: Enable Multiple Process AutoGen

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875

Assign the Module AutoGen tasks into multiple
sub process.

Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Liming Gao <liming.gao@intel.com>

BaseTools/Source/Python/AutoGen/AutoGenWorker.py

@@ -0,0 +1,191 @@
+## @file
+# Create makefile for MS nmake and GNU make
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+from __future__ import absolute_import
+import multiprocessing as mp
+import threading
+from Common.Misc import PathClass
+from AutoGen.ModuleAutoGen import ModuleAutoGen
+from AutoGen.ModuleAutoGenHelper import WorkSpaceInfo,AutoGenInfo
+import Common.GlobalData as GlobalData
+import Common.EdkLogger as EdkLogger
+import os
+from Common.MultipleWorkspace import MultipleWorkspace as mws
+from AutoGen.AutoGen import AutoGen
+from Workspace.WorkspaceDatabase import BuildDB
+from queue import Empty
+import traceback
+import sys
+from AutoGen.DataPipe import MemoryDataPipe
+def clearQ(q):
+    try:
+        while True:
+            q.get_nowait()
+    except Empty:
+        pass
+class AutoGenManager(threading.Thread):
+    def __init__(self,autogen_workers, feedback_q,error_event):
+        super(AutoGenManager,self).__init__()
+        self.autogen_workers = autogen_workers
+        self.feedback_q = feedback_q
+        self.terminate = False
+        self.Status = True
+        self.error_event = error_event
+    def run(self):
+        try:
+            fin_num = 0
+            while True:
+                badnews = self.feedback_q.get()
+                if badnews is None:
+                    break
+                if badnews == "Done":
+                    fin_num += 1
+                else:
+                    self.Status = False
+                    self.TerminateWorkers()
+                if fin_num == len(self.autogen_workers):
+                    self.clearQueue()
+                    for w in self.autogen_workers:
+                        w.join()
+                    break
+        except Exception:
+            return
+
+    def clearQueue(self):
+        taskq = self.autogen_workers[0].module_queue
+        clearQ(taskq)
+        clearQ(self.feedback_q)
+
+    def TerminateWorkers(self):
+        self.error_event.set()
+    def kill(self):
+        self.feedback_q.put(None)
+class AutoGenWorkerInProcess(mp.Process):
+    def __init__(self,module_queue,data_pipe_file_path,feedback_q,file_lock,error_event):
+        mp.Process.__init__(self)
+        self.module_queue = module_queue
+        self.data_pipe_file_path =data_pipe_file_path
+        self.data_pipe = None
+        self.feedback_q = feedback_q
+        self.PlatformMetaFileSet = {}
+        self.file_lock = file_lock
+        self.error_event = error_event
+    def GetPlatformMetaFile(self,filepath,root):
+        try:
+            return self.PlatformMetaFileSet[(filepath,root)]
+        except:
+            self.PlatformMetaFileSet[(filepath,root)]  = filepath
+            return self.PlatformMetaFileSet[(filepath,root)]
+    def run(self):
+        try:
+            taskname = "Init"
+            with self.file_lock:
+                if not os.path.exists(self.data_pipe_file_path):
+                    self.feedback_q.put(taskname + ":" + "load data pipe %s failed." % self.data_pipe_file_path)
+                self.data_pipe = MemoryDataPipe()
+                self.data_pipe.load(self.data_pipe_file_path)
+            EdkLogger.Initialize()
+            loglevel = self.data_pipe.Get("LogLevel")
+            if not loglevel:
+                loglevel = EdkLogger.INFO
+            EdkLogger.SetLevel(loglevel)
+            logfile = self.data_pipe.Get("LogFile")
+            if logfile:
+                EdkLogger.SetLogFile(logfile)
+            target = self.data_pipe.Get("P_Info").get("Target")
+            toolchain = self.data_pipe.Get("P_Info").get("ToolChain")
+            archlist = self.data_pipe.Get("P_Info").get("ArchList")
+
+            active_p = self.data_pipe.Get("P_Info").get("ActivePlatform")
+            workspacedir = self.data_pipe.Get("P_Info").get("WorkspaceDir")
+            PackagesPath = os.getenv("PACKAGES_PATH")
+            mws.setWs(workspacedir, PackagesPath)
+            self.Wa = WorkSpaceInfo(
+                workspacedir,active_p,target,toolchain,archlist
+                )
+            self.Wa._SrcTimeStamp = self.data_pipe.Get("Workspace_timestamp")
+            GlobalData.gGlobalDefines = self.data_pipe.Get("G_defines")
+            GlobalData.gCommandLineDefines = self.data_pipe.Get("CL_defines")
+            os.environ._data = self.data_pipe.Get("Env_Var")
+            GlobalData.gWorkspace = workspacedir
+            GlobalData.gDisableIncludePathCheck = False
+            GlobalData.gFdfParser = self.data_pipe.Get("FdfParser")
+            GlobalData.gDatabasePath = self.data_pipe.Get("DatabasePath")
+            pcd_from_build_option = []
+            for pcd_tuple in self.data_pipe.Get("BuildOptPcd"):
+                pcd_id = ".".join((pcd_tuple[0],pcd_tuple[1]))
+                if pcd_tuple[2].strip():
+                    pcd_id = ".".join((pcd_id,pcd_tuple[2]))
+                pcd_from_build_option.append("=".join((pcd_id,pcd_tuple[3])))
+            GlobalData.BuildOptionPcd = pcd_from_build_option
+            module_count = 0
+            FfsCmd = self.data_pipe.Get("FfsCommand")
+            if FfsCmd is None:
+                FfsCmd = {}
+            PlatformMetaFile = self.GetPlatformMetaFile(self.data_pipe.Get("P_Info").get("ActivePlatform"),
+                                             self.data_pipe.Get("P_Info").get("WorkspaceDir"))
+            libConstPcd = self.data_pipe.Get("LibConstPcd")
+            Refes = self.data_pipe.Get("REFS")
+            while True:
+                if self.module_queue.empty():
+                    break
+                if self.error_event.is_set():
+                    break
+                module_count += 1
+                module_file,module_root,module_path,module_basename,module_originalpath,module_arch,IsLib = self.module_queue.get_nowait()
+                modulefullpath = os.path.join(module_root,module_file)
+                taskname = " : ".join((modulefullpath,module_arch))
+                module_metafile = PathClass(module_file,module_root)
+                if module_path:
+                    module_metafile.Path = module_path
+                if module_basename:
+                    module_metafile.BaseName = module_basename
+                if module_originalpath:
+                    module_metafile.OriginalPath = PathClass(module_originalpath,module_root)
+                arch = module_arch
+                target = self.data_pipe.Get("P_Info").get("Target")
+                toolchain = self.data_pipe.Get("P_Info").get("ToolChain")
+                Ma = ModuleAutoGen(self.Wa,module_metafile,target,toolchain,arch,PlatformMetaFile,self.data_pipe)
+                Ma.IsLibrary = IsLib
+                if IsLib:
+                    if (Ma.MetaFile.File,Ma.MetaFile.Root,Ma.Arch,Ma.MetaFile.Path) in libConstPcd:
+                        Ma.ConstPcd = libConstPcd[(Ma.MetaFile.File,Ma.MetaFile.Root,Ma.Arch,Ma.MetaFile.Path)]
+                    if (Ma.MetaFile.File,Ma.MetaFile.Root,Ma.Arch,Ma.MetaFile.Path) in Refes:
+                        Ma.ReferenceModules = Refes[(Ma.MetaFile.File,Ma.MetaFile.Root,Ma.Arch,Ma.MetaFile.Path)]
+                Ma.CreateCodeFile(False)
+                Ma.CreateMakeFile(False,GenFfsList=FfsCmd.get((Ma.MetaFile.File, Ma.Arch),[]))
+        except Empty:
+            pass
+        except:
+            traceback.print_exc(file=sys.stdout)
+            self.feedback_q.put(taskname)
+        finally:
+            self.feedback_q.put("Done")
+    def printStatus(self):
+        print("Processs ID: %d Run %d modules in AutoGen " % (os.getpid(),len(AutoGen.Cache())))
+        print("Processs ID: %d Run %d modules in AutoGenInfo " % (os.getpid(),len(AutoGenInfo.GetCache())))
+        groupobj = {}
+        for buildobj in BuildDB.BuildObject.GetCache().values():
+            if str(buildobj).lower().endswith("dec"):
+                try:
+                    groupobj['dec'].append(str(buildobj))
+                except:
+                    groupobj['dec'] = [str(buildobj)]
+            if str(buildobj).lower().endswith("dsc"):
+                try:
+                    groupobj['dsc'].append(str(buildobj))
+                except:
+                    groupobj['dsc'] = [str(buildobj)]
+
+            if str(buildobj).lower().endswith("inf"):
+                try:
+                    groupobj['inf'].append(str(buildobj))
+                except:
+                    groupobj['inf'] = [str(buildobj)]
+
+        print("Processs ID: %d Run %d pkg in WDB " % (os.getpid(),len(groupobj.get("dec",[]))))
+        print("Processs ID: %d Run %d pla in WDB " % (os.getpid(),len(groupobj.get("dsc",[]))))
+        print("Processs ID: %d Run %d inf in WDB " % (os.getpid(),len(groupobj.get("inf",[]))))

BaseTools/Source/Python/AutoGen/DataPipe.py

@@ -11,6 +11,7 @@ import Common.GlobalData as GlobalData
 import os
 import pickle
 from pickle import HIGHEST_PROTOCOL
+from Common import EdkLogger
 
 class PCD_DATA():
     def __init__(self,TokenCName,TokenSpaceGuidCName,Type,DatumType,SkuInfoList,DefaultValue,
@@ -34,6 +35,7 @@ class DataPipe(object):
     def __init__(self, BuildDir=None):
         self.data_container = {}
         self.BuildDir = BuildDir
+        self.dump_file = ""
 
 class MemoryDataPipe(DataPipe):
 
@@ -41,6 +43,7 @@ class MemoryDataPipe(DataPipe):
         return self.data_container.get(key)
 
     def dump(self,file_path):
+        self.dump_file = file_path
         with open(file_path,'wb') as fd:
             pickle.dump(self.data_container,fd,pickle.HIGHEST_PROTOCOL)
 
@@ -71,7 +74,7 @@ class MemoryDataPipe(DataPipe):
         for m in PlatformInfo.Platform.Modules:
             m_pcds =  PlatformInfo.Platform.Modules[m].Pcds
             if m_pcds:
-                ModulePcds[(m.File,m.Root)] = [PCD_DATA(
+                ModulePcds[(m.File,m.Root,m.Arch)] = [PCD_DATA(
             pcd.TokenCName,pcd.TokenSpaceGuidCName,pcd.Type,
             pcd.DatumType,pcd.SkuInfoList,pcd.DefaultValue,
             pcd.MaxDatumSize,pcd.UserDefinedDefaultStoresFlag,pcd.validateranges,
@@ -83,11 +86,18 @@ class MemoryDataPipe(DataPipe):
 
         #Module's Library Instance
         ModuleLibs = {}
+        libModules = {}
         for m in PlatformInfo.Platform.Modules:
             module_obj = BuildDB.BuildObject[m,PlatformInfo.Arch,PlatformInfo.BuildTarget,PlatformInfo.ToolChain]
             Libs = GetModuleLibInstances(module_obj, PlatformInfo.Platform, BuildDB.BuildObject, PlatformInfo.Arch,PlatformInfo.BuildTarget,PlatformInfo.ToolChain)
-            ModuleLibs[(m.File,m.Root,module_obj.Arch)] = [(l.MetaFile.File,l.MetaFile.Root,l.Arch) for l in Libs]
+            for lib in Libs:
+                try:
+                    libModules[(lib.MetaFile.File,lib.MetaFile.Root,lib.Arch,lib.MetaFile.Path)].append((m.File,m.Root,module_obj.Arch,m.Path))
+                except:
+                    libModules[(lib.MetaFile.File,lib.MetaFile.Root,lib.Arch,lib.MetaFile.Path)] = [(m.File,m.Root,module_obj.Arch,m.Path)]
+            ModuleLibs[(m.File,m.Root,module_obj.Arch,m.Path)] = [(l.MetaFile.File,l.MetaFile.Root,l.Arch,l.MetaFile.Path) for l in Libs]
         self.DataContainer = {"DEPS":ModuleLibs}
+        self.DataContainer = {"REFS":libModules}
 
         #Platform BuildOptions
 
@@ -143,5 +153,8 @@ class MemoryDataPipe(DataPipe):
 
         self.DataContainer = {"GuidDict": PlatformInfo.Platform._GuidDict}
 
+        self.DataContainer = {"DatabasePath":GlobalData.gDatabasePath}
         self.DataContainer = {"FdfParser": True if GlobalData.gFdfParser else False}
 
+        self.DataContainer = {"LogLevel": EdkLogger.GetLevel()}
+        self.DataContainer = {"LogFile": GlobalData.gOptions.LogFile if GlobalData.gOptions.LogFile is not None else ""}

BaseTools/Source/Python/AutoGen/GenC.py

@@ -1472,8 +1472,8 @@ def CreateModuleEntryPointCode(Info, AutoGenC, AutoGenH):
 
     if Info.ModuleType in [SUP_MODULE_PEI_CORE, SUP_MODULE_DXE_CORE, SUP_MODULE_SMM_CORE, SUP_MODULE_MM_CORE_STANDALONE]:
         if Info.SourceFileList:
-          if NumEntryPoints != 1:
+            if NumEntryPoints != 1:
-              EdkLogger.error(
+                EdkLogger.error(
                   "build",
                   AUTOGEN_ERROR,
                   '%s must have exactly one entry point' % Info.ModuleType,

BaseTools/Source/Python/AutoGen/ModuleAutoGen.py

@@ -1686,6 +1686,7 @@ class ModuleAutoGen(AutoGen):
         if not self.IsLibrary and CreateLibraryMakeFile:
             for LibraryAutoGen in self.LibraryAutoGenList:
                 LibraryAutoGen.CreateMakeFile()
+
         # Don't enable if hash feature enabled, CanSkip uses timestamps to determine build skipping
         if not GlobalData.gUseHashCache and self.CanSkip():
             return
@@ -1729,7 +1730,6 @@ class ModuleAutoGen(AutoGen):
         if not self.IsLibrary and CreateLibraryCodeFile:
             for LibraryAutoGen in self.LibraryAutoGenList:
                 LibraryAutoGen.CreateCodeFile()
-
         # Don't enable if hash feature enabled, CanSkip uses timestamps to determine build skipping
         if not GlobalData.gUseHashCache and self.CanSkip():
             return

BaseTools/Source/Python/AutoGen/PlatformAutoGen.py

@@ -133,6 +133,12 @@ class PlatformAutoGen(AutoGen):
         self.DataPipe.FillData(self)
 
         return True
+    def FillData_LibConstPcd(self):
+        libConstPcd = {}
+        for LibAuto in self.LibraryAutoGenList:
+            if LibAuto.ConstPcd:
+                libConstPcd[(LibAuto.MetaFile.File,LibAuto.MetaFile.Root,LibAuto.Arch,LibAuto.MetaFile.Path)] = LibAuto.ConstPcd
+        self.DataPipe.DataContainer = {"LibConstPcd":libConstPcd}
     ## hash() operator of PlatformAutoGen
     #
     #  The platform file path and arch string will be used to represent
@@ -162,7 +168,7 @@ class PlatformAutoGen(AutoGen):
             return
 
         for Ma in self.ModuleAutoGenList:
-            Ma.CreateCodeFile(True)
+            Ma.CreateCodeFile(CreateModuleCodeFile)
 
     ## Generate Fds Command
     @cached_property
@@ -179,9 +185,9 @@ class PlatformAutoGen(AutoGen):
             for Ma in self._MaList:
                 key = (Ma.MetaFile.File, self.Arch)
                 if key in FfsCommand:
-                    Ma.CreateMakeFile(True, FfsCommand[key])
+                    Ma.CreateMakeFile(CreateModuleMakeFile, FfsCommand[key])
                 else:
-                    Ma.CreateMakeFile(True)
+                    Ma.CreateMakeFile(CreateModuleMakeFile)
 
         # no need to create makefile for the platform more than once
         if self.IsMakeFileCreated:
@@ -1086,10 +1092,10 @@ class PlatformAutoGen(AutoGen):
                 Libs = GetModuleLibInstances(module_obj, self.Platform, self.BuildDatabase, self.Arch,self.BuildTarget,self.ToolChain)
             else:
                 Libs = []
-            ModuleLibs.update( set([(l.MetaFile.File,l.MetaFile.Root,l.Arch,True) for l in Libs]))
+            ModuleLibs.update( set([(l.MetaFile.File,l.MetaFile.Root,l.MetaFile.Path,l.MetaFile.BaseName,l.MetaFile.OriginalPath,l.Arch,True) for l in Libs]))
             if WithoutPcd and module_obj.PcdIsDriver:
                 continue
-            ModuleLibs.add((m.File,m.Root,module_obj.Arch,False))
+            ModuleLibs.add((m.File,m.Root,m.Path,m.BaseName,m.OriginalPath,module_obj.Arch,bool(module_obj.LibraryClass)))
 
         return ModuleLibs
 

BaseTools/Source/Python/AutoGen/WorkspaceAutoGen.py

@@ -113,6 +113,8 @@ class WorkspaceAutoGen(AutoGen):
         self.ProcessMixedPcd()
         self.VerifyPcdsFromFDF()
         self.CollectAllPcds()
+        for Pa in self.AutoGenObjectList:
+            Pa.FillData_LibConstPcd()
         self.GeneratePkgLevelHash()
         #
         # Check PCDs token value conflict in each DEC file.
@@ -881,7 +883,7 @@ class WorkspaceAutoGen(AutoGen):
         if not CreateDepsMakeFile:
             return
         for Pa in self.AutoGenObjectList:
-            Pa.CreateMakeFile(True)
+            Pa.CreateMakeFile(CreateDepsMakeFile)
 
     ## Create autogen code for platform and modules
     #
@@ -895,7 +897,7 @@ class WorkspaceAutoGen(AutoGen):
         if not CreateDepsCodeFile:
             return
         for Pa in self.AutoGenObjectList:
-            Pa.CreateCodeFile(True)
+            Pa.CreateCodeFile(CreateDepsCodeFile)
 
     ## Create AsBuilt INF file the platform
     #

BaseTools/Source/Python/build/build.py

@@ -30,6 +30,7 @@ from optparse import OptionParser
 from AutoGen.PlatformAutoGen import PlatformAutoGen
 from AutoGen.ModuleAutoGen import ModuleAutoGen
 from AutoGen.WorkspaceAutoGen import WorkspaceAutoGen
+from AutoGen.AutoGenWorker import AutoGenWorkerInProcess,AutoGenManager
 from AutoGen import GenMake
 from Common import Misc as Utils
 
@@ -50,7 +51,7 @@ from PatchPcdValue.PatchPcdValue import PatchBinaryFile
 
 import Common.GlobalData as GlobalData
 from GenFds.GenFds import GenFds, GenFdsApi
-
+import multiprocessing as mp
 
 # Version and Copyright
 VersionNumber = "0.60" + ' ' + gBUILD_VERSION
@@ -343,9 +344,9 @@ class ModuleMakeUnit(BuildUnit):
     #   @param  Obj         The ModuleAutoGen object the build is working on
     #   @param  Target      The build target name, one of gSupportedTarget
     #
-    def __init__(self, Obj, Target):
+    def __init__(self, Obj, BuildCommand,Target):
-        Dependency = [ModuleMakeUnit(La, Target) for La in Obj.LibraryAutoGenList]
+        Dependency = [ModuleMakeUnit(La, BuildCommand,Target) for La in Obj.LibraryAutoGenList]
-        BuildUnit.__init__(self, Obj, Obj.BuildCommand, Target, Dependency, Obj.MakeFileDir)
+        BuildUnit.__init__(self, Obj, BuildCommand, Target, Dependency, Obj.MakeFileDir)
         if Target in [None, "", "all"]:
             self.Target = "tbuild"
 
@@ -364,10 +365,10 @@ class PlatformMakeUnit(BuildUnit):
     #   @param  Obj         The PlatformAutoGen object the build is working on
     #   @param  Target      The build target name, one of gSupportedTarget
     #
-    def __init__(self, Obj, Target):
+    def __init__(self, Obj, BuildCommand, Target):
-        Dependency = [ModuleMakeUnit(Lib, Target) for Lib in self.BuildObject.LibraryAutoGenList]
+        Dependency = [ModuleMakeUnit(Lib, BuildCommand, Target) for Lib in self.BuildObject.LibraryAutoGenList]
-        Dependency.extend([ModuleMakeUnit(Mod, Target) for Mod in self.BuildObject.ModuleAutoGenList])
+        Dependency.extend([ModuleMakeUnit(Mod, BuildCommand,Target) for Mod in self.BuildObject.ModuleAutoGenList])
-        BuildUnit.__init__(self, Obj, Obj.BuildCommand, Target, Dependency, Obj.MakeFileDir)
+        BuildUnit.__init__(self, Obj, BuildCommand, Target, Dependency, Obj.MakeFileDir)
 
 ## The class representing the task of a module build or platform build
 #
@@ -824,8 +825,31 @@ class Build():
         if not (self.LaunchPrebuildFlag and os.path.exists(self.PlatformBuildPath)):
             self.InitBuild()
 
+        self.AutoGenMgr = None
         EdkLogger.info("")
         os.chdir(self.WorkspaceDir)
+    def StartAutoGen(self,mqueue, DataPipe,SkipAutoGen,PcdMaList):
+        try:
+            if SkipAutoGen:
+                return True,0
+            feedback_q = mp.Queue()
+            file_lock = mp.Lock()
+            error_event = mp.Event()
+            auto_workers = [AutoGenWorkerInProcess(mqueue,DataPipe.dump_file,feedback_q,file_lock,error_event) for _ in range(self.ThreadNumber)]
+            self.AutoGenMgr = AutoGenManager(auto_workers,feedback_q,error_event)
+            self.AutoGenMgr.start()
+            for w in auto_workers:
+                w.start()
+            if PcdMaList is not None:
+                for PcdMa in PcdMaList:
+                    PcdMa.CreateCodeFile(False)
+                    PcdMa.CreateMakeFile(False,GenFfsList = DataPipe.Get("FfsCommand").get((PcdMa.MetaFile.File, PcdMa.Arch),[]))
+
+            self.AutoGenMgr.join()
+            rt = self.AutoGenMgr.Status
+            return rt, 0
+        except Exception as e:
+            return False,e.errcode
 
     ## Load configuration
     #
@@ -1190,30 +1214,34 @@ class Build():
     #   @param  CreateDepModuleMakeFile     Flag used to indicate creating makefile
     #                                       for dependent modules/Libraries
     #
-    def _BuildPa(self, Target, AutoGenObject, CreateDepsCodeFile=True, CreateDepsMakeFile=True, BuildModule=False, FfsCommand={}):
+    def _BuildPa(self, Target, AutoGenObject, CreateDepsCodeFile=True, CreateDepsMakeFile=True, BuildModule=False, FfsCommand=None, PcdMaList=None):
         if AutoGenObject is None:
             return False
-
+        if FfsCommand is None:
+            FfsCommand = {}
         # skip file generation for cleanxxx targets, run and fds target
         if Target not in ['clean', 'cleanlib', 'cleanall', 'run', 'fds']:
             # for target which must generate AutoGen code and makefile
-            if not self.SkipAutoGen or Target == 'genc':
+            mqueue = mp.Queue()
-                self.Progress.Start("Generating code")
+            for m in AutoGenObject.GetAllModuleInfo:
-                AutoGenObject.CreateCodeFile(CreateDepsCodeFile)
+                mqueue.put(m)
-                self.Progress.Stop("done!")
-            if Target == "genc":
-                return True
 
-            if not self.SkipAutoGen or Target == 'genmake':
+            AutoGenObject.DataPipe.DataContainer = {"FfsCommand":FfsCommand}
-                self.Progress.Start("Generating makefile")
+            self.Progress.Start("Generating makefile and code")
-                AutoGenObject.CreateMakeFile(CreateDepsMakeFile, FfsCommand)
+            data_pipe_file = os.path.join(AutoGenObject.BuildDir, "GlobalVar_%s_%s.bin" % (str(AutoGenObject.Guid),AutoGenObject.Arch))
-                self.Progress.Stop("done!")
+            AutoGenObject.DataPipe.dump(data_pipe_file)
-            if Target == "genmake":
+            autogen_rt,errorcode = self.StartAutoGen(mqueue, AutoGenObject.DataPipe, self.SkipAutoGen, PcdMaList)
-                return True
+            self.Progress.Stop("done!")
-        else:
+            if not autogen_rt:
-            # always recreate top/platform makefile when clean, just in case of inconsistency
+                self.AutoGenMgr.TerminateWorkers()
+                self.AutoGenMgr.join(0.1)
+                raise FatalError(errorcode)
             AutoGenObject.CreateCodeFile(False)
             AutoGenObject.CreateMakeFile(False)
+        else:
+            # always recreate top/platform makefile when clean, just in case of inconsistency
+            AutoGenObject.CreateCodeFile(True)
+            AutoGenObject.CreateMakeFile(True)
 
         if EdkLogger.GetLevel() == EdkLogger.QUIET:
             EdkLogger.quiet("Building ... %s" % repr(AutoGenObject))
@@ -1334,8 +1362,8 @@ class Build():
                 return True
         else:
             # always recreate top/platform makefile when clean, just in case of inconsistency
-            AutoGenObject.CreateCodeFile(False)
+            AutoGenObject.CreateCodeFile(True)
-            AutoGenObject.CreateMakeFile(False)
+            AutoGenObject.CreateMakeFile(True)
 
         if EdkLogger.GetLevel() == EdkLogger.QUIET:
             EdkLogger.quiet("Building ... %s" % repr(AutoGenObject))
@@ -1713,9 +1741,10 @@ class Build():
                             continue
                         if Ma.PcdIsDriver:
                             Ma.PlatformInfo = Pa
+                            Ma.Workspace = Wa
                             PcdMaList.append(Ma)
                         self.BuildModules.append(Ma)
-                    self._BuildPa(self.Target, Pa, FfsCommand=CmdListDict)
+                    self._BuildPa(self.Target, Pa, FfsCommand=CmdListDict,PcdMaList=PcdMaList)
 
                 # Create MAP file when Load Fix Address is enabled.
                 if self.Target in ["", "all", "fds"]:
@@ -1850,7 +1879,7 @@ class Build():
                     MakeStart = time.time()
                     for Ma in self.BuildModules:
                         if not Ma.IsBinaryModule:
-                            Bt = BuildTask.New(ModuleMakeUnit(Ma, self.Target))
+                            Bt = BuildTask.New(ModuleMakeUnit(Ma, Pa.BuildCommand,self.Target))
                         # Break build if any build thread has error
                         if BuildTask.HasError():
                             # we need a full version of makefile for platform
@@ -1980,7 +2009,7 @@ class Build():
                 Wa.CreateMakeFile(False)
 
                 # Add ffs build to makefile
-                CmdListDict = None
+                CmdListDict = {}
                 if GlobalData.gEnableGenfdsMultiThread and self.Fdf:
                     CmdListDict = self._GenFfsCmd(Wa.ArchList)
 
@@ -1988,6 +2017,7 @@ class Build():
                 ExitFlag = threading.Event()
                 ExitFlag.clear()
                 self.AutoGenTime += int(round((time.time() - WorkspaceAutoGenTime)))
+                self.BuildModules = []
                 for Arch in Wa.ArchList:
                     PcdMaList    = []
                     AutoGenStart = time.time()
@@ -2005,6 +2035,8 @@ class Build():
                             if Inf in Pa.Platform.Modules:
                                 continue
                             ModuleList.append(Inf)
+                    Pa.DataPipe.DataContainer = {"FfsCommand":CmdListDict}
+                    Pa.DataPipe.DataContainer = {"Workspace_timestamp": Wa._SrcTimeStamp}
                     for Module in ModuleList:
                         # Get ModuleAutoGen object to generate C code file and makefile
                         Ma = ModuleAutoGen(Wa, Module, BuildTarget, ToolChain, Arch, self.PlatformFile,Pa.DataPipe)
@@ -2013,6 +2045,7 @@ class Build():
                             continue
                         if Ma.PcdIsDriver:
                             Ma.PlatformInfo = Pa
+                            Ma.Workspace = Wa
                             PcdMaList.append(Ma)
                         if Ma.CanSkipbyHash():
                             self.HashSkipModules.append(Ma)
@@ -2024,34 +2057,32 @@ class Build():
                                 EdkLogger.quiet("cache miss: %s[%s]" % (Ma.MetaFile.Path, Ma.Arch))
 
                         # Not to auto-gen for targets 'clean', 'cleanlib', 'cleanall', 'run', 'fds'
-                        if self.Target not in ['clean', 'cleanlib', 'cleanall', 'run', 'fds']:
                             # for target which must generate AutoGen code and makefile
-                            if not self.SkipAutoGen or self.Target == 'genc':
-                                Ma.CreateCodeFile(True)
-                            if self.Target == "genc":
-                                continue
 
-                            if not self.SkipAutoGen or self.Target == 'genmake':
-                                if CmdListDict and self.Fdf and (Module.File, Arch) in CmdListDict:
-                                    Ma.CreateMakeFile(True, CmdListDict[Module.File, Arch])
-                                    del CmdListDict[Module.File, Arch]
-                                else:
-                                    Ma.CreateMakeFile(True)
-                            if self.Target == "genmake":
-                                continue
                         self.BuildModules.append(Ma)
                         # Initialize all modules in tracking to 'FAIL'
                         if Ma.Arch not in GlobalData.gModuleBuildTracking:
                             GlobalData.gModuleBuildTracking[Ma.Arch] = dict()
                         if Ma not in GlobalData.gModuleBuildTracking[Ma.Arch]:
                             GlobalData.gModuleBuildTracking[Ma.Arch][Ma] = 'FAIL'
+                    mqueue = mp.Queue()
+                    for m in Pa.GetAllModuleInfo:
+                        mqueue.put(m)
+                    data_pipe_file = os.path.join(Pa.BuildDir, "GlobalVar_%s_%s.bin" % (str(Pa.Guid),Pa.Arch))
+                    Pa.DataPipe.dump(data_pipe_file)
+                    autogen_rt, errorcode = self.StartAutoGen(mqueue, Pa.DataPipe, self.SkipAutoGen, PcdMaList)
                     self.Progress.Stop("done!")
                     self.AutoGenTime += int(round((time.time() - AutoGenStart)))
+                    if not autogen_rt:
+                        self.AutoGenMgr.TerminateWorkers()
+                        self.AutoGenMgr.join(0.1)
+                        raise FatalError(errorcode)
+                for Arch in Wa.ArchList:
                     MakeStart = time.time()
                     for Ma in self.BuildModules:
                         # Generate build task for the module
                         if not Ma.IsBinaryModule:
-                            Bt = BuildTask.New(ModuleMakeUnit(Ma, self.Target))
+                            Bt = BuildTask.New(ModuleMakeUnit(Ma, Pa.BuildCommand,self.Target))
                         # Break build if any build thread has error
                         if BuildTask.HasError():
                             # we need a full version of makefile for platform
@@ -2498,6 +2529,10 @@ def Main():
             EdkLogger.error(X.ToolName, FORMAT_INVALID, File=X.FileName, Line=X.LineNumber, ExtraData=X.Message, RaiseError=False)
         ReturnCode = FORMAT_INVALID
     except KeyboardInterrupt:
+        if MyBuild is not None:
+
+            # for multi-thread build exits safely
+            MyBuild.Relinquish()
         ReturnCode = ABORT_ERROR
         if Option is not None and Option.debug is not None:
             EdkLogger.quiet("(Python %s on %s) " % (platform.python_version(), sys.platform) + traceback.format_exc())
@@ -2554,6 +2589,10 @@ def Main():
     return ReturnCode
 
 if __name__ == '__main__':
+    try:
+        mp.set_start_method('spawn')
+    except:
+        pass
     r = Main()
     ## 0-127 is a safe return range, and 1 is a standard default error
     if r < 0 or r > 127: r = 1