StandaloneMmPkg/Core: Fix the failure to find uncompressed inner FV
The MmCoreFfsFindMmDriver only checks for encapsulated compressed FVs. When an inner FV is uncompressed, StandaloneMmCore will miss the FV and all the MM drivers in the FV will not be dispatched. Add checks for uncompressed inner FV to fix this issue. Cc: Laszlo Ersek <lersek@redhat.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Sami Mujawar <sami.mujawar@arm.com> Cc: Ray Ni <ray.ni@intel.com> Signed-off-by: Wei6 Xu <wei6.xu@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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@@ -79,6 +79,8 @@ MmCoreFfsFindMmDriver (
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UINTN DepexSize;
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UINTN Index;
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EFI_COMMON_SECTION_HEADER *Section;
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VOID *SectionData;
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UINTN SectionDataSize;
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UINT32 DstBufferSize;
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VOID *ScratchBuffer;
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UINT32 ScratchBufferSize;
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@@ -115,6 +117,26 @@ MmCoreFfsFindMmDriver (
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break;
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}
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//
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// Check uncompressed firmware volumes
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//
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Status = FfsFindSectionData (
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EFI_SECTION_FIRMWARE_VOLUME_IMAGE,
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FileHeader,
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&SectionData,
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&SectionDataSize
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);
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if (!EFI_ERROR (Status)) {
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if (SectionDataSize > sizeof (EFI_FIRMWARE_VOLUME_HEADER)) {
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InnerFvHeader = (EFI_FIRMWARE_VOLUME_HEADER *)SectionData;
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MmCoreFfsFindMmDriver (InnerFvHeader, Depth + 1);
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continue;
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}
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}
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//
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// Check compressed firmware volumes
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//
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Status = FfsFindSection (
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EFI_SECTION_GUID_DEFINED,
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FileHeader,
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