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News item for Genode Platforms 22.05

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Norman Feske 2022-05-25 11:55:08 +02:00 committed by Christian Helmuth
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Genode SoC porting guide | 2022-05-25
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| In the second revision of the Genode Platform document, Genode Labs shares
| its former in-house expertise about moving Genode to new hardware devices.
If you ever wondered how to make sense of highly-complex ARM SoCs without
accurate public documentation, what it takes to bring a modern microkernel
from one SoC to another, how to transplant and re-animate individual Linux
kernel subsystems into sandboxed user-level components, or how to craft a
custom bare-bones operating system out of Genode's components, the new
revision of the Genode Platforms document is for you.
[https://genode.org/documentation/genode-platforms-22-05.pdf - Genode Platforms 22.05] (PDF)
During the past two years, Genode developer Norman Feske captured his
practical experience with enabling Genode on a new hardware platform, namely
the PinePhone.
The process starts with basics like executing tiny bits of custom code, and
continues with the porting of the microkernel, creating work flows for testing
and packaging, and bringing up the Genode user land.
With those fundamentals covered, the main part is concerned with the
complexities of driving the device hardware of modern SoCs, ranging from
low-level pin controls, over networking, up to driving sophisticated devices
like the display and touch screen. For the latter, the ability of reusing
device drivers from the Linux kernel plays a crucial role. Hence, the guide
presents Genode's practical methodology and tooling behind the black art of
transplanting and reanimating unmodified Linux kernel code into Genode
components. Along the way, there are countless little tips and tricks that
help to turn low-level grunt work into a fun and worthwhile experience.
The document closes with a glimpse at real-world scenarios, culminating in
the setup the modem and the routing of audio signals to issue voice calls.
Sculpt OS release 22.04 | 2022-04-28
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