Fix compatibility issue when using IPF image with PE32 magic value in the OptionalHeader.

[mirror_edk2.git] / SecurityPkg / Library / DxeTpmMeasureBootLib / DxeTpmMeasureBootLib.c

diff --git a/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c b/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c
index 803c7876a5777889b5afc5326d3bacb98d4f9c4c..bbd38b74eda74e235fb20e83cb8d321dc64c519f 100644 (file)
--- a/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c
+++ b/SecurityPkg/Library/DxeTpmMeasureBootLib/DxeTpmMeasureBootLib.c
@@ -382,7 +382,20 @@ TcgMeasurePeImage (
   // Measuring PE/COFF Image Header;\r
   // But CheckSum field and SECURITY data directory (certificate) are excluded\r
   //\r
-  Magic = Hdr.Pe32->OptionalHeader.Magic;\r
+  if (Hdr.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r
+    //\r
+    // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value \r
+    //       in the PE/COFF Header. If the MachineType is Itanium(IA64) and the \r
+    //       Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r
+    //       then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r
+    //\r
+    Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r
+  } else {\r
+    //\r
+    // Get the magic value from the PE/COFF Optional Header\r
+    //\r
+    Magic = Hdr.Pe32->OptionalHeader.Magic;\r
+  }\r
   \r
   //\r
   // 3.  Calculate the distance from the base of the image header to the image checksum address.\r