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Enable the use of strict memory permissions on ARM by processing the EFI_MEMORY_RO and EFI_MEMORY_XP rather than ignoring them. As before, calls to CpuArchProtocol::SetMemoryAttributes that only set RO/XP bits will preserve the cacheability attributes. Permissions attributes are not preserved when setting the memory type only: the way the memory permission attributes are defined does not allows for that, and so this situation does not deviate from other architectures. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Description
Acidanthera UEFI Development Kit based on EDK II edk2-stable202405
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