firm date: armv5 support removal scheduled for 2019-12-31

[Ronald Klop]

Axe it!

See mails from may/june "boot 11.3-BETA1 hangs om armv5". This did not boot on my Sheevaplug. I stopped trying. A new RPI is cheaper than one hour of work on armv5. But it was fun while it worked. :-) Thanks.

Regards,
Ronald.

 
Van: Warner Losh <imp at bsdimp.com>
Datum: woensdag, 9 oktober 2019 23:40
Aan: "freebsd-arch at freebsd.org" <freebsd-arch at freebsd.org>, "freebsd-arm at freebsd.org" <freebsd-arm at freebsd.org>
Onderwerp: firm date: armv5 support removal scheduled for 2019-12-31
> 
> Greetings,
> 
> There's been much talk of removing armv5 support from FreeBSD in FreeBSD
> 13. This talk has been ongoing since before 12 was branched among the key
> arm developers. The compromise for the FreeBSD 12 was to have one final
> FreeBSD armv5 release for a few straggling users that needed (or think they
> needed) this release and it would be removed before FreeBSD 13.
> 
> The reason to remove this is due to the increased burden armv5 has
> presented on the system. We have a separate pmap for v5 which has known or
> suspected bugs relating to unaligned I/O. No developers have the armv5
> boards in service anymore. They have ceased being relevant to FreeBSD's
> success with the plethera of armv7 boards that are on the market. No new
> armv5 boards have been made in a long time. The FreeBSD project hasn't
> produce armv5 binaries for 12.x at all (the binaries produced earlier could
> not have possibly booted, though the userland binaries worked if you could
> otherwise install the system). Finally, llvm's lld doesn't support armv5.
> It would ease integration if we didn't have to worry about a fallback for
> armv5. It would be one fewer dependency on the old binutils toolchain in
> the tree.
> 
> So, taking all these things together, the time has come to schedule removal
> of armv5 support from FreeBSD. The end of the year seems like a good date
> to select for planning this removal, getting whatever notices should be put
> into place and warning people about the next release in the most formal way
> possible (more informal warnings have been going on for over a year,
> starting with armv4 support removal in 12).
> 
> I'm posting this now to gather feedback and, if necessary, create a
> checklist of things to do before removal.
> 
> Warner
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> 
>