>> I was wondering how easy that would be to add a "boot once" feature
> FWIW: the Amiga port had a /dev/reload in its very early days, where
> you could cp a kernel too, which would then be bootet.  I'm not sure
> this is easy to make on a PC platform.

kexec stuff?  I've occasionally wondered why more ports don't implement
it.  I ran into it on...hpcmips, maybe.  Something that had WinCE in
ROM and used it as a booter, I think, though those memories are pretty
fuzzy by now.

Certainly would speed up many reboots.  I may have a look at it; I was
recently reading early boot code and I don't recall anything that would
make it difficult.

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