If the guided section was encoded with GenCrc32 tool the resulting
'EFI_GUID_DEFINED_SECTION.DataOffset' field points to the start of
the meaningfull data that follows the CRC32 value.
But if we want to decode the section with GenCrc32 tool we need to
provide a buffer that includes the CRC32 value itself.
Signed-off-by: Konstantin Aladyshev <aladyshe...@gmail.com>
---
BaseTools/Source/C/VolInfo/VolInfo.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/BaseTools/Source/C/VolInfo/VolInfo.c
b/BaseTools/Source/C/VolInfo/VolInfo.c
index b5760d185e..4628e756d7 100644
--- a/BaseTools/Source/C/VolInfo/VolInfo.c
+++ b/BaseTools/Source/C/VolInfo/VolInfo.c
@@ -2009,6 +2009,13 @@ Returns:
);
free (ExtractionTool);
+ if (!CompareGuid (
+ EfiGuid,
+ &gEfiCrc32GuidedSectionExtractionProtocolGuid
+ )
+ ) {
+ DataOffset -= 4;
+ }
Status =
PutFileImage (
ToolInputFile,
--
2.25.1
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