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BaseIoLibIntrinsicArmVirt was created to prevent LTO from merging accesses to MMIO regions, resulting in instructions with multiple output registers that KVM on ARM cannot emulate (since the exception syndrome information that KVM relies on can only describe a single output register) However, using double word loads on ARM amounts to the same thing, and so code that relies on doing 64-bit MMIO to regions that are emulated under KVM (such as the GICv3 TYPER register) will still suffer from the original issue. So replace ldrd and strd with equivalent two instruction sequences. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
EDK II Project
A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.
Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1
The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:
- AppPkg/Applications/Python/Python-2.7.2/Tools/pybench
- AppPkg/Applications/Python/Python-2.7.2
- AppPkg/Applications/Python/Python-2.7.10
- BaseTools/Source/C/BrotliCompress
- MdeModulePkg/Library/BrotliCustomDecompressLib
- OvmfPkg
- CryptoPkg/Library/OpensslLib/openssl
The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.