ARM64 Support Will Improve In Linux 3.10 (AArch64)
Written by Michael Larabel in Hardware on 2 May 2013 at 08:50 AM EDT. Add A Comment
Support for the emerging 64-bit ARM Architecture, a.k.a. ARM64 or AArch64, will see better support with the Linux 3.10 kernel.

Initial support for the 64-bit ARM architecture was merged in Linux 3.7 and since then with each succeeding update we have seen support improvements. It's still not expected to see any ARM64 devices on the market until next year, but the Linux support has been materializing quick due to the large role Linux plays in the ARM world.

New to the Linux 3.10 kernel for ARM's 64-bit architecture is support for the 64-bit version of their Versatile Express SoC, basic multi-cluster support, simple early printk support, optimized kernel functions, and automatic initialization of the irqchip and clocks via the DeviceTree.

The Versatile Express continues to be ARM's development system for flexible and modular prototyping by ARM licensees and other vendors. Versatile Express is also what QEMU has been targeting for emulating in the ARM world.

The 64-bit ARM pull request for Linux 3.10 has been merged to mainline.

Aside from the kernel support, the Linux and open-source support for other components relating to AArch64 has also been coming up quite well, as detailed in other articles.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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