From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1M14md-0003op-Uc for mharc-grub-devel@gnu.org; Mon, 04 May 2009 16:29:03 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M14mc-0003oB-Fk for grub-devel@gnu.org; Mon, 04 May 2009 16:29:02 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M14mX-0003lx-MR for grub-devel@gnu.org; Mon, 04 May 2009 16:29:01 -0400 Received: from [199.232.76.173] (port=36219 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M14mX-0003lt-FK for grub-devel@gnu.org; Mon, 04 May 2009 16:28:57 -0400 Received: from ra.coresystems.de ([80.81.252.129]:43531) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1M14mX-00031W-0R for grub-devel@gnu.org; Mon, 04 May 2009 16:28:57 -0400 Received: from dslb-088-064-182-041.pools.arcor-ip.net ([88.64.182.41] helo=MacPro.fritz.box) by ra.coresystems.de with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.69) (envelope-from ) id 1M14mT-0002EZ-5D for grub-devel@gnu.org; Mon, 04 May 2009 22:28:53 +0200 Message-ID: <49FF5004.9020307@coresystems.de> Date: Mon, 04 May 2009 22:28:52 +0200 From: Stefan Reinauer Organization: coresystems GmbH User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1b3pre) Gecko/20090223 Thunderbird/3.0b2 MIME-Version: 1.0 To: The development of GRUB 2 References: <20090504192725.GA19518@thorin> In-Reply-To: <20090504192725.GA19518@thorin> X-Enigmail-Version: 0.96a Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Duff: Orig. Duff, Duff Lite, Duff Dry, Duff Dark, Raspberry Duff, Lady Duff, Red Duff, Tartar Control Duff X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Subject: Re: grub-dumpbios X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 May 2009 20:29:02 -0000 On 04.05.2009 21:27 Uhr, Robert Millan wrote: > Hi, > > Do we really need to ship a specific utility just to run two commands? > > dd if=/dev/mem of=${output_dir}vbios.bin bs=65536 skip=12 count=1 > dd if=/dev/mem of=${output_dir}int10.bin bs=4 skip=16 count=1 > > Sounds like user will need to read some documentation in order to figure > out what grub-dumpbios is good for, and what to do with those files, so > why not just document the commands there instead? (e.g. in the wiki or > so) > > As a side note: On many machines dumping the VGA option rom like that does not produce good option rom images. Many option roms are self-modifying and the above method only dumps the modified variants of the ROMs that are normally not good for "POSTing" a graphics card anymore. They're still good for other purposes though I guess. Stefan -- coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br. Tel.: +49 761 7668825 • Fax: +49 761 7664613 Email: info@coresystems.de • http://www.coresystems.de/ Registergericht: Amtsgericht Freiburg • HRB 7656 Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866