Not at all, most of it used some blobs that were under Sony's NDA.

Note that nowadays Sony uses FreeBSD and clang for a reason.

Someone did a port to a newer Linux base, and upstreaming is in progress: https://github.com/frno7/linux

> It looks like it's EOL.

"EOL" would imply that it ever received any ongoing support. The impression I get is more that Sony treated this more like a game release -- once the discs went out the door, that was it.

The community was alive during around 7 years, and there were SCEE people active in the forums on Sony's payroll, like sarahe.