1 files changed, 27 insertions, 1 deletions
diff --git a/BaseTools/Source/Python/Eot/Parser.py b/BaseTools/Source/Python/Eot/Parser.py
index e01a9770be..673088d41d 100644
--- a/BaseTools/Source/Python/Eot/Parser.py
+++ b/BaseTools/Source/Python/Eot/Parser.py
@@ -2,7 +2,7 @@
 # This file is used to define common parsing related functions used in parsing
 # Inf/Dsc/Makefile process
 #
-# Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 # This program and the accompanying materials
 # are licensed and made available under the terms and conditions of the BSD License
 # which accompanies this distribution.  The full text of the license may be found at
@@ -25,6 +25,32 @@ from . import EotGlobalData
 from Common.StringUtils import GetSplitList
 from Common.LongFilePathSupport import OpenLongFilePath as open
 
+import subprocess
+
+## DeCompress
+#
+# Call external decompress tool to decompress the fv section
+#
+def DeCompress(Method, Input):
+    # Write the input to a temp file
+    open('_Temp.bin', 'wb').write(Input)
+    cmd = ''
+    if Method == 'Lzma':
+        cmd = r'LzmaCompress -o _New.bin -d _Temp.bin'
+    if Method == 'Efi':
+        cmd = r'TianoCompress -d --uefi -o _New.bin _Temp.bin'
+    if Method == 'Framework':
+        cmd = r'TianoCompress -d -o _New.bin _Temp.bin'
+
+    # Call tool to create the decompressed output file
+    Process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    Process.communicate()[0]
+
+    # Return the beffer of New.bin
+    if os.path.exists('_New.bin'):
+        return open('_New.bin', 'rb').read()
+
+
 ## PreProcess() method
 #
 #  Pre process a file