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-rw-r--r--BaseTools/Source/Python/GenFds/Region.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/BaseTools/Source/Python/GenFds/Region.py b/BaseTools/Source/Python/GenFds/Region.py
index 7d5a3ab173..e95cfcf965 100644
--- a/BaseTools/Source/Python/GenFds/Region.py
+++ b/BaseTools/Source/Python/GenFds/Region.py
@@ -73,8 +73,10 @@ class Region(object):
# @retval string Generated FV file path
#
- def AddToBuffer(self, Buffer, BaseAddress, BlockSizeList, ErasePolarity, ImageBinDict, MacroDict={}, Flag=False):
+ def AddToBuffer(self, Buffer, BaseAddress, BlockSizeList, ErasePolarity, ImageBinDict, MacroDict=None, Flag=False):
Size = self.Size
+ if MacroDict is None:
+ MacroDict = {}
if not Flag:
GenFdsGlobalVariable.InfLogger('\nGenerate Region at Offset 0x%X' % self.Offset)
GenFdsGlobalVariable.InfLogger(" Region Size = 0x%X" % Size)