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News item for Genode 15.02

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Norman Feske 2015-02-27 10:43:40 +01:00 committed by Christian Helmuth
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Genode OS Framework release 15.02 | 2015-01-27
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| Version 15.02 extends the base-hw kernel with ARM-virtualization support,
| introduces a highly modularized tool kit for automated testing, adds
| support for the USB Armory platform, and improves the performance and
| stability of VirtualBox on Genode/NOVA.
Most of the previous releases were motivated by our desire for features that
we deemed as fundamentally important to use Genode as a general-purpose
system. Now that we have reached most of the feature set that we longed after,
the project adjusts its focus. According to our recently published
[http://genode.org/about/road-map - roadmap], the underlying theme of the
current development shifted towards the cultivation of the existing feature
set rather than the introduction of new functionality. The current release
perfectly reflects this change. It introduces a highly modular tool kit for
scaling up the project's automated testing efforts and comes with stability
and performance improvements all over the place. In particular, we are happy
to report substantial performance gains of our version of VirtualBox running
on NOVA.
As a second focus of the version 15.02, our custom base-hw kernel platform
received a lot of attention. The most prominent news is the added support
for virtualization on ARM. This line of work has been conducted and refined over
the time span of more than a year and took much of our prior experience with
the NOVA virtualization architecture and ARM TrustZone into account. This
experience resulted in a novel microhypervisor design with an extremely
tiny foot print with respect to the added complexity on the account of
virtualization support. In fact, less than 1000 lines of code had to be added
to the root of the trusted computing base. Besides virtualization
support, our kernel's scheduler got refined to take IPC relationships into
account while additionally gaining support for the USB Armory hardware platform.
These and many more improvements are covered in more detail by the
[http:/documentation/release-notes/15.02 - release documentation of version 15.02...]
Road Map for 2015 | 2015-01-14
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