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Welcome to the OpenBMC wiki!
Come join us! Jump in Discord and say hello! Tons of good info and links to mail/chat channels: https://github.com/openbmc/docs#openbmc-documentation
Also, feel free to use #openbmc-meeting for side discussions, but check that a working group in not already using it for a weekly meeting for a specific time.
HOWTO - OpenBMC Development Starter
OpenBMC is based on the Yocto project. The image recipe we use is called obmc-phosphor-image, so building is done as usual in Yocto by running bitbake obmc-phosphor-image.
There is a convenient setup script that allows for easy environment configuration for any of the supported targets. You can source setup without arguments to get the full list. There is one special target called qemuarm that builds OpenBMC for QEMU. Other listed targets are for real hardware.
If you use multiple targets, you will need to clear the configuration directory each time you switch to another target before running setup:
rm -rf build/conf
You may skip this step if you've been always using just a single target or are building from scratch.
Examples follow:
The qemu target is ‘qemuarm’:
$ cd openbmc
$ . setup qemuarm
$ bitbake obmc-phosphor-image
The Palmetto target is palmetto:
$ cd openbmc
$ . setup palmetto
$ bitbake obmc-phosphor-image
The Zaius target is zaius.
$ cd openbmc
$ . setup zaius
$ bitbake obmc-phosphor-image
Once you are done with the build process, images can be found in the following path:
/openbmc/build/tmp/deploy/images