NixOS on MIPS
From NixOS Wiki
The last state of setting up NixOS on MIPS is documented on in the old wiki on archive.org, however the documentation is horribly outdated and you will have a hard time reproducing the steps.
Should you really want to try, the needed system tarball for the Fuloong mini-pc is distributed as a torrent
This page is a place holder for the future support.