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02021d2ea4
In some cases, such as MD RAID1 in Linux, the bootloader may be in a nested EFI system partition partition. For example, sda1 and sdb1 are combined as md0 and the first partition of md0, md0p1, is an EFI system partition. Then, the bootloader can be located by the following device paths: PCI()/SATA(sda)/Partition(sda1)/Partition(md0p1)/File(bootloader.efi) PCI()/SATA(sdb)/Partition(sdb1)/Partition(md0p1)/File(bootloader.efi) To make the boot option more resilient, we may create a boot option with the short-form device path like "Partition(md0p1)/File(bootloader.efi)". However, BmMatchPartitionDevicePathNode() only matched the first partition node and ignored the nested partitions, so the firmware would refuse to load bootloader.efi since "Partition(md0p1)" doesn't match either "Partition(sda1)" or "Partition(sda2)". This commit modifies BmMatchPartitionDevicePathNode() to iterate all nested partitions so that the above boot option could work. v2 - Simplify the node matching logic Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao Wu <hao.a.wu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Gary Lin <glin@suse.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
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.