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Linux 3.13 To Support EFI On ARM

Linux Kernel

Published on 11 November 2013 03:16 PM EST
Written by Michael Larabel in Linux Kernel
14 Comments

Beyond the NVIDIA Tegra 4 support and improved 64-bit ARM code, the in-development Linux 3.13 kernel will also support EFI on ARM.

While EFI was originally developed by Intel and largely targeting x86 platforms, the EFI 2.3 specification does exist for Itanium and ARM architectures too and early this year the UEFI Forum had shown a proof-of-concept UEFI boot environment for ARMv8. With the EFI pull for the Linux 3.13 merge window, the Linux EFI support extends to ARM.

The EFI ARM support was generalizing x86 and ARM platform differences and cleaning up the code for handling future ARM EFI-based platforms. Other EFI changes for Linux 3.13 include early printk support using the EFI frame-buffer for debugging boot problems, EFI stub support for large memory maps (128+ entires), and other fixes.

More details on these EFI changes can be found via the mailing list pull request.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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