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Genode OS 13.02 Plays With IOMMUs, Cortex-A15s

Operating Systems

Published on 28 February 2013 09:51 AM EST
Written by Michael Larabel in Operating Systems
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The Genode OS operating system framework now supports direct memory access via IOMMUs and it also has initial support for ARM Cortex-A15 SoCs. This work can be found in the brand new Genode OS 13.02 release.

The previous release covered on Phoronix was Genode OS 12.11 and it became self-hosting. With Genode OS 13.02, the prominent highlights is DMA support via IOMMUs and the new ARM enablement.

The ARM support in Genode OS 13.02 is for the ARM Cortex-A15-based Exynos 5250 SoC and the Freescale i.MX53 SoC.

There's also improved virtualization support in this release via the Vancouver x86 virtual machine monitor built on the NOVA hypervisor. The Vancouver improvements include Intel VMX support to complement AMD SVM technology, timer support, console support, network support, disk support, and real-tiem clock.

Last but not least, Genode OS 13.02 better supports low-latency audio output.

Some other work includes new UART drivers, PCI support for IOMMUs, ACPI support for 64-bit machines, and a restructured USB driver.

Many more details on the changes making up Genode OS 13.02 can be found via the extensive release document.

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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