Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934655AbYCFQaV (ORCPT ); Thu, 6 Mar 2008 11:30:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764340AbYCFQ3w (ORCPT ); Thu, 6 Mar 2008 11:29:52 -0500 Received: from fg-out-1718.google.com ([72.14.220.153]:3080 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763931AbYCFQ3u (ORCPT ); Thu, 6 Mar 2008 11:29:50 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:newsgroups:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; b=EAbrsBlk95xnOl4xQySsnsKVTl9vpqd8COnQ2gJoTePLvWnUf9p0l5nThPVr5jZDZsnyLb1CjudfVIMZtXYk6YpH/sqXPzRe38xTj68i1gNXzUBYB6o6iVHDVGMgWlyrafzzY1RV0G6T6WWVqglZYtdI84qlaMSvOtqwZp3B21w= Message-ID: <47D01BF8.2010805@gnu.org> Date: Thu, 06 Mar 2008 17:29:44 +0100 From: Paolo Bonzini User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) MIME-Version: 1.0 Newsgroups: gmane.comp.gcc.devel,gmane.linux.kernel To: Robert Dewar CC: NightStrike , Olivier Galibert , "H. Peter Anvin" , Chris Lattner , Michael Matz , Richard Guenther , Joe Buck , Jan Hubicka , Aurelien Jarno , linux-kernel@vger.kernel.org, gcc@gcc.gnu.org Subject: Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag References: <84fc9c000803051332q2f2eedeej7d3c0509e698cabf@mail.gmail.com> <47CF11D6.7070901@zytor.com> <738B72DB-A1D6-43F8-813A-E49688D05771@apple.com> <2F47E21A-9055-4EC3-99CF-B666BBC045C3@apple.com> <47CF3F09.4080606@zytor.com> <578FCA7D-D7A6-44F6-9310-4A97C13CDCBE@apple.com> <47CF44E7.3020106@zytor.com> <20080306135139.GA5236@dspnet.fr.eu.org> <47D01457.30001@adacore.com> In-Reply-To: <47D01457.30001@adacore.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 806 Lines: 19 > Another story, the sad story of the intel chip (I think it was > the 80188) where Intel made use of Int 5, which was documented > as reserved. Unfortunately, Microsoft/IBM had used this for > print screen or some such. Intel was absolutely right that > their documentation was clear and it was wrong to have used > these interrupts .. but the result was a warehouse of unused > chips. Not really. Just, no one used the BOUND instruction. All computers running DOS (Intel, AMD, even the old NEC V20/V30 chips) still connect INT 5 to Print Screen. Paolo -- 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/