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Date:   Fri, 5 Feb 2021 10:29:58 +0100
From:   Pavel Machek <pavel@ucw.cz>
To:     David Laight <David.Laight@ACULAB.COM>
Cc:     Andy Shevchenko <andy.shevchenko@gmail.com>,
        Arnd Bergmann <arnd@kernel.org>, Willy Tarreau <w@1wt.eu>,
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        Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: Re: Old platforms: bring out your dead
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On Fri 2021-02-05 09:13:03, David Laight wrote:
> > We have open-hardware implementation for 486, AFAICT, thanks to MISTer
> > project. I'm not aware of open 586 core.
> >=20
> > Being able to run recent Linux on open hardware sounds fun.
>=20
> Putting a 486 on an fpga might be 'interesting'.
> But it has a lot of 'cruft' (like 286 protected mode) that
> you really don't need.
> I'd bet RISCV comes out smaller.

Well.. RISCV may be smaller, and there are open-hardware RISCV
_cores_, but not complete systems.

> Most x86 ports are actually IBM-PC ports - so you'd also have
> to sort out all the peripherals.

And that's exactly what they are doing, and what makes the project
important:

https://github.com/MiSTer-devel/ao486_MiSTer

Best regards,
								Pavel
--=20
http://www.livejournal.com/~pavelmachek

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