This PR contains scripts that are able to build an archlinux-arm image with the tools in this repository installed. Moreover a CI config for gitlab ci is present, which builds an image for every commit and checks, wether the image boots in the xilinx-qemu. It should close https://lab.apertus.org/T697.

The pipeline for this PR can be found at https://gitlab.com/nein/beta-software/pipelines/13506162.

However, some things in the build process are not finished or discussed or perfect:

• The github -> gitlab bridge scripts are somehow not working at the moment. I suspect that the http trigger at github is wrong configured. Someone with access to the github repo will need to fix this.
• U-Boot and the FPGA bitstream are currently dowloaded as static binary blobs and not build from source. This should definitly change in the future.
• The images are completely untested on real hardware at the moment. Could anyone try the generated image on a real microzed?
• The image structure has some differences, which are not discussed yet, to the axiom-beta images we currently have:
  • Only 2 partitions: one boot partition and one mixed OS/tools partition. I think this is handy during development and avoids a lot of fussing. But we have do discuss this
  • I introduced a tool called axiom-update, which does a system upgrade, pulls the latest souces from git, builds and installs them. I think this is handy during development.
  • The clone of this repo is located under /opt/. All the scripts and binary tools are linked to /usr/local/bin/axiom-*. This allows the user to list all of our tools by typing axiom-<tab>.
  • I introduced an apertus user (with password axiom) which is not root but has sudo-privileges. Moreover the login as root for ssh is now disabled.
  • The daemon is currently not installed.
  • The image is most likely very incomplete compared to the others.

However, I think we can merge the changes before all those issues are resolved and begin with a incomplete but working CI system, which would already be a step forwards :).

PS: Feel free to change anything, as most of the things are just based on assumptions and bad shell hacking ;)