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News item for version 19.11
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Genode News
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===========
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Genode OS Framework release 19.11 | 2019-11-28
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| Following this year's theme of "bridging worlds", Genode 19.11 adds the
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| ability to use popular build tools like CMake for application development,
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| introduces a new virtual-machine monitor for 64-bit ARM, and enhances
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| POSIX compatibility. As another highlight, it features the first version
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| of our custom block-device encrypter.
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Block-device encryption is a feature often requested by users of our Sculpt OS.
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Until now, we deliberately left this topic unaddressed because we felt that a
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profound answer was beyond our expertise. However, during the past year, we
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dived deep into it. The result is the prototype for a new block encrypter that
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encrypts data but also protects integrity and freshness. For us, the
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implementation of the encrypter is especially intriguing because - with about
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7000 lines of code - it is Genode's first non-trivial component written in the
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[https://en.wikipedia.org/wiki/SPARK_(programming_language) - SPARK]
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programming language.
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The second major addition is a new virtual machine monitor (VMM) for 64-bit
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ARM platforms such as the NXP i.MX8. It leverages the
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[https://genode.org/documentation/articles/arm_virtualization - proof of concept]
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we developed in 2015 for ARMv7, which we pursued as a technology exploration.
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In contrast, our aspiration with the new VMM is a product-quality solution.
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In our [https://genode.org/about/road-map - road map] for 2019, we stated
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the "bridging of worlds" as our overall theme for this year. On that account,
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the current release moves the project forward on two levels. First, by
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successively increasing the scope of POSIX compatibility, we reduce the
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friction when porting existing application software to Genode. We managed
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to bridge several gaps in our POSIX support that we considered as impossible
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to cover some years ago. In particular, we identified ways to emulate certain
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POSIX signals, ioctl calls, and fork/execve semantics. This way, popular
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software such as bash, coreutils, or Vim can now be executed as regular
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Genode components with no additional runtime environment (like Noux or a VMM)
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required.
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At a higher level, the current release introduces new tooling especially
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geared at the development and porting of application software. Compared to
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Genode's regular development tools, which were designed for whole-system
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development, the new tool called Goa relieves the developer from the
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complexity of Genode's custom build system and instead promotes the use of
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popular commodity solutions like CMake.
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These and more topics are described in the
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[https:/documentation/release-notes/19.11 - release documentation of version 19.11...]
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Genode OS Framework release 19.08 | 2019-08-28
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##############################################
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