mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-05-31 03:15:42 +00:00
122 lines
4.3 KiB
ReStructuredText
122 lines
4.3 KiB
ReStructuredText
.. _using_agl_as_uos:
|
||
|
||
Using AGL as the User OS
|
||
########################
|
||
|
||
This tutorial describes the steps to run Automotive Grade Linux (AGL)
|
||
as the User OS on ACRN hypervisor and the problems we got at current stage.
|
||
We hope the steps documented in this article could help us to reproduce the
|
||
problem much easier and provide some information for further debugging.
|
||
|
||
.. image:: images/The-overview-of-AGL-as-UOS.png
|
||
:align: center
|
||
|
||
Introduction to AGL
|
||
*******************
|
||
|
||
Automotive Grade Linux is a collaborative open source project that is
|
||
bringing together automakers, suppliers and technology companies to
|
||
accelerate the development and adoption of a fully open software stack
|
||
for the connected car. With Linux at its core, AGL is developing an open
|
||
platform from the ground up that can serve as the de facto industry
|
||
standard to enable rapid development of new features and technologies.
|
||
For more information about AGL, please visit AGL’s official website:
|
||
https://www.automotivelinux.org/.
|
||
|
||
Steps for using AGL as the UOS
|
||
******************************
|
||
|
||
The regulatory model of NUC we used is `NUC6CAYH
|
||
<https://www.intel.com/content/www/us/en/products/boards-kits/nuc/kits/nuc6cayh.html>`_
|
||
and other platforms may work too.
|
||
|
||
|
||
#. Prepare the Service OS (SOS)
|
||
|
||
Follow the instructions found in the Getting started guide for Intel NUC
|
||
to setup SOS :ref:`getting-started-apl-nuc`.
|
||
|
||
#. Prepare the User OS (UOS)
|
||
|
||
Download the release of AGL from https://download.automotivelinux.org/AGL/release/eel/,
|
||
and we will use ``eel_5.1.0`` release for example.
|
||
|
||
.. code-block:: none
|
||
|
||
cd ~
|
||
wget https://download.automotivelinux.org/AGL/release/eel/5.1.0/intel-corei7-64/deploy/images/intel-corei7-64/agl-demo-platform-crosssdk-intel-corei7-64.wic.xz
|
||
unxz agl-demo-platform-crosssdk-intel-corei7-64.wic.xz
|
||
|
||
|
||
You need to adjust the ``/usr/share/acrn/samples/nuc/launch_uos.sh`` script to match your installation.
|
||
These are the couple of lines you need to modify:
|
||
|
||
.. code-block:: none
|
||
|
||
-s 3,virtio-blk,/root/agl-demo-platform-crosssdk-intel-corei7-64.wic \
|
||
-k /usr/lib/kernel/default-iot-lts2018 \
|
||
-B "root=/dev/vda2
|
||
|
||
.. note::
|
||
In case you have downloaded a different AGL image or store the image in other directory,
|
||
you will need to modify the AGL file name or directory (the ``-s 3,virtio-blk`` argument)
|
||
to match what you have downloaded above.
|
||
Likewise, you may need to adjust the kernel file name to ``default-iot-lts2018``.
|
||
|
||
#. Start the User OS (UOS)
|
||
|
||
You are now all set to start the User OS (UOS).
|
||
|
||
.. code-block:: none
|
||
|
||
sudo /usr/share/acrn/samples/nuc/launch_uos.sh
|
||
|
||
**Congratulations**, you are now watching the User OS booting up!
|
||
|
||
And you should be able to see the console of AGL:
|
||
|
||
.. image:: images/The-console-of-AGL.png
|
||
:align: center
|
||
|
||
When you see the output of the console above, that means AGL has been loaded
|
||
and now you could operate on the console.
|
||
|
||
Enable the display of AGL
|
||
*************************
|
||
|
||
But following the setup steps before, you will get black screen in AGL.
|
||
Please don't worry about it, and we will give the solutions to the black screen issue in AGL.
|
||
By debugging, we identified the problem as an issue of ``ivi-shell.so`` library, it seems that
|
||
this library is not well supported. But we can light the screen with the GUI of weston like figure below.
|
||
|
||
.. image:: images/The-GUI-of-weston.png
|
||
:align: center
|
||
|
||
To enable weston in AGL, We need to modify ``weston.ini``, which is the configuration file of weston.
|
||
|
||
.. code-block:: none
|
||
|
||
vim /etc/xdg/weston/weston.ini
|
||
|
||
The changes of ``weston.ini``:
|
||
|
||
#. Comment ``ivi-shell.so`` out
|
||
|
||
#. Check the name of output is ``HDMI-A-2``
|
||
|
||
After that, there are still some steps need to do to launch weston in AGL:
|
||
|
||
.. code-block:: none
|
||
|
||
export XDG_RUNTIME_DIR=/run/platform/display
|
||
systemctl restart weston
|
||
|
||
And you will be able to see the GUI of weston in AGL now.
|
||
|
||
Follow up
|
||
*********
|
||
ACRN Hypervisor is trying to support more kinds of operating systems all the time,
|
||
and AGL is an example of them. We are still debugging the “ivi-shell.so” issue,
|
||
and we are also investigating the problem why AGL GUI not got launched,
|
||
currently it may either be a configuration issue or a real bug, more experiment will be done.
|