Another less normal option would simply be to make /sbin/init a shell script.
Instead of trying to detect hardware, network, and all, you could just hardcode everything. If you're working with a standardized set of hardware, that would most likely be simpler than anything else.
Instead of trying to detect hardware, network, and all, you could just hardcode everything. If you're working with a standardized set of hardware, that would most likely be simpler than anything else.