Map the code flash with read-only attributes so we can execute from it even under a memory protection regime that enables WXN, making all writable memory regions non-executable by default.
Signed-off-by: Ard Biesheuvel <a...@kernel.org> --- ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c b/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c index aa083cec2082..a5324b1e4eed 100644 --- a/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c +++ b/ArmVirtPkg/Library/QemuVirtMemInfoLib/QemuVirtMemInfoLib.c @@ -115,7 +115,7 @@ ArmVirtGetMemoryMap ( VirtualMemoryTable[2].PhysicalBase = PcdGet64 (PcdFvBaseAddress); VirtualMemoryTable[2].VirtualBase = VirtualMemoryTable[2].PhysicalBase; VirtualMemoryTable[2].Length = FixedPcdGet32 (PcdFvSize); - VirtualMemoryTable[2].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK; + VirtualMemoryTable[2].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK_RO; // End of Table ZeroMem (&VirtualMemoryTable[3], sizeof (ARM_MEMORY_REGION_DESCRIPTOR)); -- 2.39.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#101130): https://edk2.groups.io/g/devel/message/101130 Mute This Topic: https://groups.io/mt/97586033/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
