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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 19E1CC433DB for ; Wed, 13 Jan 2021 12:22:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B95FE23120 for ; Wed, 13 Jan 2021 12:22:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726222AbhAMMWr (ORCPT ); Wed, 13 Jan 2021 07:22:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725613AbhAMMWr (ORCPT ); Wed, 13 Jan 2021 07:22:47 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3997C061795 for ; Wed, 13 Jan 2021 04:22:06 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id y8so973383plp.8 for ; Wed, 13 Jan 2021 04:22:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8rI8P5PWESGlQoMNfKJlDMDZN77XRS6tO+BP9N8huPI=; b=rKvjxRe6+WSKz55pz6aeTlxXPdpcm0IWEr9PoRSlnPmvyU4g/yrluQuIKL53L0ouEC NH4OobnrCR9DcKC5LVmsJY70XgLJpmGMu1zlJVGggnRbRagRWNRY+OUps1sQK/AZuay3 kMiTtO7/2s6ucY1zfSBRx9R7JQm7E+CiGSwM0CBAueM8HExk5C3YmBTOB6BQdMfJ5N8o KWFZzHiqNF3E3Cp+2W8gt1upaGfila8aKoJj+kPQHVTDjHCXH38+EPUJM0YEjzRPeJXq H1dgNoNHpqprqDbAvB/0xDsiLjD5ebS8EWKd9e6G52xAFP1SgkPn6oKcuMacpKCIqMbD AlNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=8rI8P5PWESGlQoMNfKJlDMDZN77XRS6tO+BP9N8huPI=; b=BduTJ9MuJY33H5FUuHyV8UcVjGtyk8fGJcXP8fn1rv4J2mKeDGcIXqqj+22uHIF9qt AzFMf5r6ow7hS3MtTBa9u6rEY7gFffNoNVzpENjhmjCNI3YkBZOUC75zGxQVB/FC/5X1 N9ZxFRTdjJrn2cl0J64GsZZYe2QRJKCOUOxzAtCpD61xFeuwnlNAreYXvvWKnAPHViNt nKo5kSKO8iKSnzH8FQ5TADG0Ipk1qmh+5E1psaQNFXgjYwYQ5v3EXox5H6igFm1wrgb4 Ju91sDYOCKIetzNmtyBBsPkiWzl4oCOcv6TIZoa6Y4YMk8xBw9sU/inJfR8SIik4y4Xc Srqg== X-Gm-Message-State: AOAM532TXpgLC52aod3EqIe2f3uK/cwbmcJpPN5XThIcJqgYr4PUNZd/ i+ZaYN5Hw+2ryIJ/fwugl5MmCjh25n1/FbWf+b4= X-Google-Smtp-Source: ABdhPJzoXe3rNSii8IpjkaZiCPX2/WSISNfumIJ9fxe01U5lMwWBS8KWI9i/vSOFy22d11+qY7hIctXTfTNa0QlpfI8= X-Received: by 2002:a17:902:e98c:b029:da:cb88:f11d with SMTP id f12-20020a170902e98cb02900dacb88f11dmr1945433plb.17.1610540526504; Wed, 13 Jan 2021 04:22:06 -0800 (PST) MIME-Version: 1.0 References: <20210109055645.GA2009@1wt.eu> <6fb7e3f5035d44fab9801001f1811b59@AcuMS.aculab.com> In-Reply-To: From: Andy Shevchenko Date: Wed, 13 Jan 2021 14:21:49 +0200 Message-ID: Subject: Re: Old platforms: bring out your dead To: Linus Walleij Cc: William Breathitt Gray , David Laight , Arnd Bergmann , Willy Tarreau , Linux ARM , Linux Kernel Mailing List , Krzysztof Adamski , Oleksij Rempel , Baruch Siach , Russell King - ARM Linux , Daniel Tang , =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= , Jamie Iles , Barry Song , Viresh Kumar , 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 13, 2021 at 2:17 PM Andy Shevchenko wrote: > > On Wed, Jan 13, 2021 at 2:02 PM Linus Walleij wrote: > > > > On Wed, Jan 13, 2021 at 11:27 AM Andy Shevchenko > > wrote: > > > On Mon, Jan 11, 2021 at 11:55 AM David Laight wrote: > > > > > > basically 486 but have a few extra instructions - probably just cpuid > > > > and (IIRC) rdtsc. > > > > Designed for low power embedded use they won't ever have been suitable > > > > for a desktop - but are probably fast enough for some uses. > > > > I'm not sure how much keeping 486 support actually costs, 386 was a > > > > PITA - but the 486 fixed most of those issues. > > > > > > Right, we have "last of mohicans" (to date) Intel Quark family of CPUs > > > (486 core + few i586 features). > > > This is for the embedded world and probably not for powerful use. > > > > What is the status of PC/104? > > Personally I have no idea, but... > > > https://en.wikipedia.org/wiki/PC/104 > > ...from this we learn about PC/104 consortium on site of which we may > learn about new products: > https://pc104.org/products/vcs-1-pc-104-system-for-precision-robotics-applications/ It's ARM based for which Wiki says: "Non-x86 PC/104 CPU boards based on ARM or PowerPC are also commercially available. However, such boards are not capable of running off-the-shelf PC software. In these cases, a Board Support Package is usually provided by the manufacturer for the supported operating system(s)." WRT x86 I run the search https://pc104.org/product-search-results/?kw=x86&post_tag=&product_type=&specifications=&pc-bus-technology=&user=Filter+by+Member+Company seems like all of them are based on Vortex86DX. > One and a half years ago, not dead to me. -- With Best Regards, Andy Shevchenko 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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 8BE5CC433E0 for ; Wed, 13 Jan 2021 12:23:46 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 278CE22A83 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jan 13, 2021 at 2:17 PM Andy Shevchenko wrote: > > On Wed, Jan 13, 2021 at 2:02 PM Linus Walleij wrote: > > > > On Wed, Jan 13, 2021 at 11:27 AM Andy Shevchenko > > wrote: > > > On Mon, Jan 11, 2021 at 11:55 AM David Laight wrote: > > > > > > basically 486 but have a few extra instructions - probably just cpuid > > > > and (IIRC) rdtsc. > > > > Designed for low power embedded use they won't ever have been suitable > > > > for a desktop - but are probably fast enough for some uses. > > > > I'm not sure how much keeping 486 support actually costs, 386 was a > > > > PITA - but the 486 fixed most of those issues. > > > > > > Right, we have "last of mohicans" (to date) Intel Quark family of CPUs > > > (486 core + few i586 features). > > > This is for the embedded world and probably not for powerful use. > > > > What is the status of PC/104? > > Personally I have no idea, but... > > > https://en.wikipedia.org/wiki/PC/104 > > ...from this we learn about PC/104 consortium on site of which we may > learn about new products: > https://pc104.org/products/vcs-1-pc-104-system-for-precision-robotics-applications/ It's ARM based for which Wiki says: "Non-x86 PC/104 CPU boards based on ARM or PowerPC are also commercially available. However, such boards are not capable of running off-the-shelf PC software. In these cases, a Board Support Package is usually provided by the manufacturer for the supported operating system(s)." WRT x86 I run the search https://pc104.org/product-search-results/?kw=x86&post_tag=&product_type=&specifications=&pc-bus-technology=&user=Filter+by+Member+Company seems like all of them are based on Vortex86DX. > One and a half years ago, not dead to me. -- With Best Regards, Andy Shevchenko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel