From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:43516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDNLO-00044p-4c for qemu-devel@nongnu.org; Mon, 08 Apr 2019 02:01:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hDNLN-0000kP-4D for qemu-devel@nongnu.org; Mon, 08 Apr 2019 02:01:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48750) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hDNLM-0000jl-Sl for qemu-devel@nongnu.org; Mon, 08 Apr 2019 02:01:21 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 24DDD8AE41 for ; Mon, 8 Apr 2019 06:01:20 +0000 (UTC) From: Markus Armbruster References: <20190404071421.4891-1-thuth@redhat.com> <298ccbd7-9af5-8303-e42b-33dd1cb94b9e@redhat.com> <158fe22a-5781-73e5-5955-2fe9db019236@redhat.com> <3ba3c765-589f-4c0a-38dc-d9126f515e7b@redhat.com> <265f98b8-675c-99fb-0ef8-0dcc13c14a91@redhat.com> <02729d68-9714-141b-b221-74ff31dca977@redhat.com> Date: Mon, 08 Apr 2019 08:01:13 +0200 In-Reply-To: <02729d68-9714-141b-b221-74ff31dca977@redhat.com> (Paolo Bonzini's message of "Fri, 5 Apr 2019 09:58:21 +0200") Message-ID: <87ef6djas6.fsf@dusky.pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH] hw/input/pckbd: The i8042 device should not be user_creatable List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Thomas Huth , qemu-devel@nongnu.org, "Michael S. Tsirkin" Paolo Bonzini writes: > On 04/04/19 22:49, Philippe Mathieu-Daud=C3=A9 wrote: >> While I wonder if someone still use the r4k machine, I have more doubts >> about users running with more the 2 -serial options... > > I sort of remember ISA extension cards that had jumpers or dip switches > to choose between COM1/COM2/COM3/COM4... They still exist, with I/O ports and IRQ lines selectable via jumpers & DIP switches. Traditionally: COM1: I/O port 0x3F8, IRQ 4 COM2: I/O port 0x2F8, IRQ 3 COM3: I/O port 0x3E8, IRQ 4 COM4: I/O port 0x2E8, IRQ 3 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=-0.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 5EB0FC282CE for ; Mon, 8 Apr 2019 06:02:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2B54020880 for ; Mon, 8 Apr 2019 06:02:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B54020880 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:47932 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDNMe-0004ic-EX for qemu-devel@archiver.kernel.org; Mon, 08 Apr 2019 02:02:40 -0400 Received: from eggs.gnu.org ([209.51.188.92]:43516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDNLO-00044p-4c for qemu-devel@nongnu.org; Mon, 08 Apr 2019 02:01:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hDNLN-0000kP-4D for qemu-devel@nongnu.org; Mon, 08 Apr 2019 02:01:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48750) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hDNLM-0000jl-Sl for qemu-devel@nongnu.org; Mon, 08 Apr 2019 02:01:21 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 24DDD8AE41 for ; Mon, 8 Apr 2019 06:01:20 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-116.ams2.redhat.com [10.36.116.116]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 876D460471; Mon, 8 Apr 2019 06:01:15 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id EA1C01138648; Mon, 8 Apr 2019 08:01:13 +0200 (CEST) From: Markus Armbruster To: Paolo Bonzini References: <20190404071421.4891-1-thuth@redhat.com> <298ccbd7-9af5-8303-e42b-33dd1cb94b9e@redhat.com> <158fe22a-5781-73e5-5955-2fe9db019236@redhat.com> <3ba3c765-589f-4c0a-38dc-d9126f515e7b@redhat.com> <265f98b8-675c-99fb-0ef8-0dcc13c14a91@redhat.com> <02729d68-9714-141b-b221-74ff31dca977@redhat.com> Date: Mon, 08 Apr 2019 08:01:13 +0200 In-Reply-To: <02729d68-9714-141b-b221-74ff31dca977@redhat.com> (Paolo Bonzini's message of "Fri, 5 Apr 2019 09:58:21 +0200") Message-ID: <87ef6djas6.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Mon, 08 Apr 2019 06:01:20 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH] hw/input/pckbd: The i8042 device should not be user_creatable X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Message-ID: <20190408060113.mQNCEwpJlKgyLbUjf7stHfmkBbb2Z7UUPiCgkuUP5Ds@z> Paolo Bonzini writes: > On 04/04/19 22:49, Philippe Mathieu-Daud=C3=A9 wrote: >> While I wonder if someone still use the r4k machine, I have more doubts >> about users running with more the 2 -serial options... > > I sort of remember ISA extension cards that had jumpers or dip switches > to choose between COM1/COM2/COM3/COM4... They still exist, with I/O ports and IRQ lines selectable via jumpers & DIP switches. Traditionally: COM1: I/O port 0x3F8, IRQ 4 COM2: I/O port 0x2F8, IRQ 3 COM3: I/O port 0x3E8, IRQ 4 COM4: I/O port 0x2E8, IRQ 3