From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NQuGh-0000a8-C3 for qemu-devel@nongnu.org; Fri, 01 Jan 2010 22:03:07 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NQuGc-0000YK-7B for qemu-devel@nongnu.org; Fri, 01 Jan 2010 22:03:06 -0500 Received: from [199.232.76.173] (port=42819 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NQuGc-0000YG-4Q for qemu-devel@nongnu.org; Fri, 01 Jan 2010 22:03:02 -0500 Received: from terminus.zytor.com ([198.137.202.10]:52981) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NQuGb-0005Hh-Ji for qemu-devel@nongnu.org; Fri, 01 Jan 2010 22:03:01 -0500 Message-ID: <4B3EB763.4030000@zytor.com> Date: Fri, 01 Jan 2010 19:02:59 -0800 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH] debugcon: support for debugging consoles (e.g. Bochs port 0xe9) References: <1262123496-12007-1-git-send-email-hpa@linux.intel.com> <20091230164946.GA9858@morn.localdomain> In-Reply-To: <20091230164946.GA9858@morn.localdomain> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On 12/30/2009 08:49 AM, Kevin O'Connor wrote: > > Hi, > > SeaBIOS writes debugging info to port 0x0402. Unfortunately, qemu has > to be recompiled in order to display this info. Will your patch > enable one to get at the 0x0402 data without recompiling? > > -Kevin > Incidentally, it's somewhat unusual choice of ports... port 0x80 is the normal port for BIOSes to display debugging information on. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.