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MdePkg: Update MemoryAttributesTable to v2.10

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UEFI v2.10 introduces a new flag to the memory attributes table to
inform the OS whether or not runtime services code regions were emitted
by the compiler with guard instructions for forward edge control flow
integrity enforcement.

So update our definition accordingly.

Link: https://uefi.org/specs/UEFI/2.10/04_EFI_System_Table.html#efi-memory-attributes-table
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Acked-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
This commit is contained in:
Ard Biesheuvel
2023-02-02 19:03:33 +01:00
committed by mergify[bot]
parent 3b4d1b38ea
commit 53eb26b238
2 changed files with 7 additions and 3 deletions
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2
MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c
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@@ -182,7 +182,7 @@ InstallMemoryAttributesTable (
MemoryAttributesTable->Version = EFI_MEMORY_ATTRIBUTES_TABLE_VERSION;
MemoryAttributesTable->NumberOfEntries = RuntimeEntryCount;
MemoryAttributesTable->DescriptorSize = (UINT32)DescriptorSize;
MemoryAttributesTable->Reserved = 0;
MemoryAttributesTable->Flags = 0;
DEBUG ((DEBUG_VERBOSE, "MemoryAttributesTable:\n"));
DEBUG ((DEBUG_VERBOSE, " Version - 0x%08x\n", MemoryAttributesTable->Version));
DEBUG ((DEBUG_VERBOSE, " NumberOfEntries - 0x%08x\n", MemoryAttributesTable->NumberOfEntries));