Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 30 Jul 2001 13:47:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 30 Jul 2001 13:47:19 -0400 Received: from atlrel1.hp.com ([156.153.255.210]:61651 "HELO atlrel1.hp.com") by vger.kernel.org with SMTP id ; Mon, 30 Jul 2001 13:47:07 -0400 Message-ID: <3B659DB8.42FECCEF@fc.hp.com> Date: Mon, 30 Jul 2001 11:47:36 -0600 From: Khalid Aziz X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.5 i686) X-Accept-Language: en MIME-Version: 1.0 To: Alan Cox Cc: LKML Subject: Re: Support for serial console on legacy free machines In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Original-Recipient: rfc822;linux-kernel-outgoing Alan Cox wrote: > > > console is "Serial Port Console Redirection" (SPCR) table. This table > > gives me almost all the information I need to initialize and use a > > serial console. The bummer is this table was designed by Microsoft and > > Microsoft owns the copyright on it. Microsoft primarily designed this > > table for use by Whistler. Their copyright may cause potential problems > > with using it in Linux. This makes me reluctant to use this table. I > > Such as ? > > If its a table that microsoft added to ACPI and its well thought out I don't > see a big problem technically. There are a collection of BIOS services we > use that were microsoft originated I can not say this table is part of ACPI 2.0. ACPI 2.0 Spec document lists SPCR in the DESCRIPTION_HEADER signatures but calls it Microsoft Serial Port Console Redirection Table and refers to the URL on Microsoft web site. If you go to this URL, you see the Microsoft copyright and terms of use license. The same applies to DBGP (Debug Port Table). -- Khalid ==================================================================== Khalid Aziz Linux Systems Operation R&D (970)898-9214 Hewlett-Packard khalid@fc.hp.com Fort Collins, CO - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/