On 20.10.20 11:56, Jari Ronkainen wrote:
Hi,
I'm interested in running ROS2 in a Linux cell, first through
QEMU and later on Up Xtreme board. Apologies for stupid
questions, and please refer me to a more appropriate forum
if this is the wrong place for them.
First I have built a fresh virtual machine and installed Ubuntu
20.04 LTS, then installed linux headers, build tools and python
through apt.
The compilation and installing seems to work fine, but when I
get to the point where I should do
# jailhouse enable jailhouse/configs/qemu-x86.cell
That path looks like as if you are using a very old Jailhouse version,
before we put things into configs/<arch>/*.cell.
I get an error message
JAILHOUSE_ENABLE: Invalid argument
I do not know how to get past this, any help?
It's not Ubuntu, but very close due to Debian: You can have a look at
the integration done for QEMU and a couple of real boards in [1].
Other things is it seems like the documentation is not entirely
up to date, and I noticed things like experimental virtio support
and IPC reworkings in 0.12 release notes, is there any more info
about those in the wild or should I just dig through git commits?
IPC rework was integrated, and you find the required drivers in the
kernel trees we provide [2][3].
Virtio is... more complex to configure, limited in functionality, and
there is no starters guide available yet. If you have a use case, we
should discuss starting from that.
Jan
[1] https://github.com/siemens/jailhouse-images
[2] https://github.com/siemens/linux/commits/jailhouse-enabling/5.4
[3]
http://git.kiszka.org/?p=linux.git;a=shortlog;h=refs/heads/queues/jailhouse
Jan
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Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux
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