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-rw-r--r--MdeModulePkg/Include/Library/ExtendedIfrSupportLib.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Library/ExtendedIfrSupportLib.h b/MdeModulePkg/Include/Library/ExtendedIfrSupportLib.h
index cbfa4f77b7..a154745dfd 100644
--- a/MdeModulePkg/Include/Library/ExtendedIfrSupportLib.h
+++ b/MdeModulePkg/Include/Library/ExtendedIfrSupportLib.h
@@ -134,6 +134,11 @@ IfrLibExtractClassFromHiiHandle (
/**
Configure the buffer accrording to ConfigBody strings in the format of
<Length:4 bytes>, <Offset: 2 bytes>, <Width:2 bytes>, <Data:n bytes>.
+ This ConfigBody strings is generated by UEFI VfrCompiler for the default
+ values in a Form Set. The name of the ConfigBody strings is VfrMyIfrNVDataDefault0000
+ constructed following this rule:
+ "Vfr" + varstore.name + "Default" + defaultstore.attributes.
+ Check the generated C file in Output for details.
@param Buffer the start address of buffer.
@param BufferSize the size of buffer.