Linked by nfeske on Thu 28th Feb 2013 12:08 UTC
OSNews, Generic OSes The just released version 13.02 of the Genode OS Framework comes with major improvements of the underlying kernels. Using the NOVA kernel, the framework can be used to build custom operating systems for IOMMU-enabled machines while also leveraging hardware virtualization. Using Genode's custom kernel or the Fiasco.OC kernel, the new version targets ARM Cortex-A15-based systems such as the Exynos 5250 SoC.
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Very Impressive
by Pro-Competition on Thu 28th Feb 2013 17:43 UTC
Pro-Competition
Member since:
2007-08-20

This project continues to make leaps forward!

The decision to fork the kernels in order to more fully support Genode's features seems risky in the long term, but it's probably the right choice.

Keep up the good work - and the status updates!

Reply Score: 4

RE: Very Impressive
by nfeske on Thu 28th Feb 2013 20:36 in reply to "Very Impressive"
nfeske Member since:
2009-05-27

Thanks for your nice words.

Forking the kernels is the only choice to go forward. If the project wouldn't have forked NOVA, Genode was not able to execute complex dynamic application scenarios because the kernel was lacking important functionality in this area. The situation for the Fiasco.OC kernel is similar. The kernel lacks support for Exynos 5. So for using Genode on this kernel on this SoC, there is hardly any alternative to maintaining a fork.

The term "fork" has maybe a negative connotation. But I think this is misconception here. We'd be happy to see our changes being picked up by the upstream kernel developers. For example, with the NOVA developers, we are constantly discussing the issues solved by our modifications. So our experience and proposed solutions contribute to the forthcoming development of the kernel.

Reply Parent Score: 3

RE[2]: Very Impressive
by jayrulez on Thu 28th Feb 2013 20:56 in reply to "RE: Very Impressive"
jayrulez Member since:
2011-10-17

Norman,

Since Fiasco.OC has been forked, do you think it would be worthwhile to implement the change suggested here: http://os.inf.tu-dresden.de/pipermail/l4-hackers/2012/005361.html ?

That is getting rid of Sigma0 as done by other L4 or L4-like kernels... Or do you think diverging too much from the upstream kernel is not justifiable right now?

Reply Parent Score: 1

RE[2]: Very Impressive
by renox on Fri 1st Mar 2013 15:48 in reply to "RE: Very Impressive"
renox Member since:
2005-07-06

About the 'low latency output': I seem to remember similar design in CoreAudio and/or PulseAudio (can't remember), did you use code from these project or did you invent your own way?

Reply Parent Score: 2