Yeah, it's definitely possible. https://github.com/altreact/archbk https://github.com/altreact/archbk shows how you might do this end to end on an older machine

Yeah, it's definitely possible. https://github.com/altreact/archbk https://github.com/altreact/archbk shows how you might do this end to end on an older machine and this thread https://archlinuxarm.org/forum/viewtopic.php?f=65&t=17308 https://archlinuxarm.org/forum/viewtopic.php?f=65&t=17308 shows some progress in that direction on this particular device. The real question is if you have enough patience to power through making it work.