From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53F76C433E0 for ; Fri, 5 Feb 2021 09:33:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E76460230 for ; Fri, 5 Feb 2021 09:33:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229669AbhBEJdd (ORCPT ); Fri, 5 Feb 2021 04:33:33 -0500 Received: from jabberwock.ucw.cz ([46.255.230.98]:60382 "EHLO jabberwock.ucw.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230103AbhBEJak (ORCPT ); Fri, 5 Feb 2021 04:30:40 -0500 Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 96D231C0B77; Fri, 5 Feb 2021 10:29:58 +0100 (CET) Date: Fri, 5 Feb 2021 10:29:58 +0100 From: Pavel Machek To: David Laight Cc: Andy Shevchenko , Arnd Bergmann , Willy Tarreau , Linux ARM , Linux Kernel Mailing List , Krzysztof Adamski , Oleksij Rempel , Baruch Siach , Russell King - ARM Linux , Daniel Tang , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Jamie Iles , Barry Song , Viresh Kumar , Linus Walleij , Jonas Jensen , Marc Gonzalez , Hartley Sweeten , Lubomir Rintel , Neil Armstrong , Shawn Guo , Alex Elder , Alexander Shiyan , Koen Vandeputte , Hans Ulli Kroll , Vladimir Zapolskiy , Wei Xu , Steven Rostedt , Yoshinori Sato , Mark Salter , Michael Ellerman , Geert Uytterhoeven , Thomas Bogendoerfer Subject: Re: Old platforms: bring out your dead Message-ID: <20210205092957.GA24839@amd> References: <20210109055645.GA2009@1wt.eu> <6fb7e3f5035d44fab9801001f1811b59@AcuMS.aculab.com> <20210204210140.GB7529@amd> <4f53ce214f2c498fa47794327a8f35fc@AcuMS.aculab.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="17pEHd4RhPHOinZp" Content-Disposition: inline In-Reply-To: <4f53ce214f2c498fa47794327a8f35fc@AcuMS.aculab.com> User-Agent: Mutt/1.5.23 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --17pEHd4RhPHOinZp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 --17pEHd4RhPHOinZp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAmAdEBUACgkQMOfwapXb+vLw2gCfWSwgmm3JEf+uyuraRX3lFEmG rM4AnjtclN7RIns+TGG/0llsxKhP4KkN =rAts -----END PGP SIGNATURE----- --17pEHd4RhPHOinZp--