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829633e3a8
Flash region needs to be set as cacheable (write back) to increase performance, if PEI is still XIP on flash or DXE FV is decompressed from flash FV. However some ARM platforms do not support to set flash as inner shareable since flash is not normal DDR memory and it will not respond to cache snoop request, which will causes system hang after MMU is enabled. So we need a new ARM memory region attribute WRITE_BACK_NONSHAREABLE for flash region on these platforms specifically. This attribute will set the region as write back but not inner shared. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Peicong Li <lipeicong@huawei.com> Signed-off-by: Heyi Guo <heyi.guo@linaro.org> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> 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.