From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 12 Jun 2002 12:24:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 12 Jun 2002 12:24:34 -0400 Received: from meg.hrz.tu-chemnitz.de ([134.109.132.57]:33039 "EHLO meg.hrz.tu-chemnitz.de") by vger.kernel.org with ESMTP id ; Wed, 12 Jun 2002 12:24:33 -0400 Date: Wed, 12 Jun 2002 18:03:25 +0200 From: Ingo Oeser To: "Randy.Dunlap" Cc: Ravikiran G Thirumalai , linux-kernel@vger.kernel.org Subject: Re: question: i/o port 0x61 on x86 archs Message-ID: <20020612180325.E22429@nightmaster.csn.tu-chemnitz.de> In-Reply-To: <20020608165147.A16911@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jun 08, 2002 at 03:01:13PM -0700, Randy Dunlap wrote: > On Sat, 8 Jun 2002, Ravikiran G Thirumalai wrote: > | I have a question regdg do_nmi routine in x86; what does location 0x61 > | from inb(0x61) do? Is it something very well known in intel archs? > Port 0x61 is the NMI status and control register. So it should exist a '#define' for this somewhere. People who tend to disagree here, may try to use *.i files instead of *.c and *.h files next time. The IRQ-handling code is full of these beauties and several drivers are too. Regards Ingo Oeser -- Science is what we can tell a computer. Art is everything else. --- D.E.Knuth