4 files changed, 27 insertions, 18 deletions
diff --git a/BaseTools/Source/Python/UPT/Library/GlobalData.py b/BaseTools/Source/Python/UPT/Library/GlobalData.py
index d478983c23..8f446d4888 100644
--- a/BaseTools/Source/Python/UPT/Library/GlobalData.py
+++ b/BaseTools/Source/Python/UPT/Library/GlobalData.py
@@ -19,6 +19,7 @@ GlobalData
 # The workspace directory 
 #
 gWORKSPACE = '.'
+gPACKAGE_PATH = None
 
 #
 # INF module directory
@@ -107,4 +108,4 @@ gPackageDict = {}
 # Used by Library instance parser
 # {FilePath: FileObj}
 #
-gLIBINSTANCEDICT = {}
-\ No newline at end of file
+gLIBINSTANCEDICT = {}
diff --git a/BaseTools/Source/Python/UPT/Library/Misc.py b/BaseTools/Source/Python/UPT/Library/Misc.py
index bc9e0e172b..df9db2439b 100644
--- a/BaseTools/Source/Python/UPT/Library/Misc.py
+++ b/BaseTools/Source/Python/UPT/Library/Misc.py
@@ -50,6 +50,7 @@ from Library.ParserValidate import IsValidHexVersion
 from Library.ParserValidate import IsValidPath
 from Object.POM.CommonObject import TextObject
 from Core.FileHook import __FileHookOpen__
+from CommonDataClass.CommonClass import MultipleWorkspace as mws
 
 ## Convert GUID string in xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx style to C 
 # structure style
@@ -592,7 +593,11 @@ def GetWorkspace():
 
     if WorkspaceDir[-1] == ':':
         WorkspaceDir += os.sep
-    return WorkspaceDir
+
+    PackagesPath = os.environ.get("PACKAGES_PATH")
+    mws.setWs(WorkspaceDir, PackagesPath)
+
+    return WorkspaceDir, mws.PACKAGES_PATH
 
 ## Get relative path
 #
diff --git a/BaseTools/Source/Python/UPT/Library/ParserValidate.py b/BaseTools/Source/Python/UPT/Library/ParserValidate.py
index e973227898..2f4b4d1934 100644
--- a/BaseTools/Source/Python/UPT/Library/ParserValidate.py
+++ b/BaseTools/Source/Python/UPT/Library/ParserValidate.py
@@ -27,6 +27,7 @@ from Library.DataType import TAB_SPACE_SPLIT
 from Library.String import GetSplitValueList
 from Library.ExpressionValidate import IsValidBareCString
 from Library.ExpressionValidate import IsValidFeatureFlagExp
+from CommonDataClass.CommonClass import MultipleWorkspace as mws
 
 ## __HexDigit() method
 #
@@ -236,7 +237,7 @@ def IsValidPath(Path, Root):
     
     Path = os.path.normpath(Path).replace('\\', '/')
     Root = os.path.normpath(Root).replace('\\', '/')
-    FullPath = os.path.normpath(os.path.join(Root, Path)).replace('\\', '/')
+    FullPath = mws.join(Root, Path)
     
     if not os.path.exists(FullPath):
         return False
diff --git a/BaseTools/Source/Python/UPT/Library/Parsing.py b/BaseTools/Source/Python/UPT/Library/Parsing.py
index ace3e0d118..c34e775144 100644
--- a/BaseTools/Source/Python/UPT/Library/Parsing.py
+++ b/BaseTools/Source/Python/UPT/Library/Parsing.py
@@ -827,21 +827,23 @@ def GetPkgInfoFromDec(Path):
 def GetWorkspacePackage():
     DecFileList = []
     WorkspaceDir = GlobalData.gWORKSPACE
-    for Root, Dirs, Files in os.walk(WorkspaceDir):
-        if 'CVS' in Dirs:
-            Dirs.remove('CVS')
-        if '.svn' in Dirs:
-            Dirs.remove('.svn')
-        for Dir in Dirs:
-            if Dir.startswith('.'):
-                Dirs.remove(Dir)
-        for FileSp in Files:
-            if FileSp.startswith('.'):
-                continue
-            Ext = os.path.splitext(FileSp)[1]
-            if Ext.lower() in ['.dec']:
-                DecFileList.append\
-                (os.path.normpath(os.path.join(Root, FileSp)))
+    PackageDir = GlobalData.gPACKAGE_PATH
+    for PkgRoot in [WorkspaceDir] + PackageDir:
+        for Root, Dirs, Files in os.walk(PkgRoot):
+            if 'CVS' in Dirs:
+                Dirs.remove('CVS')
+            if '.svn' in Dirs:
+                Dirs.remove('.svn')
+            for Dir in Dirs:
+                if Dir.startswith('.'):
+                    Dirs.remove(Dir)
+            for FileSp in Files:
+                if FileSp.startswith('.'):
+                    continue
+                Ext = os.path.splitext(FileSp)[1]
+                if Ext.lower() in ['.dec']:
+                    DecFileList.append\
+                    (os.path.normpath(os.path.join(Root, FileSp)))
     #
     # abstract package guid, version info from DecFile List
     #