From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1OQEcg-0005mO-JL for mharc-grub-devel@gnu.org; Sun, 20 Jun 2010 03:07:18 -0400 Received: from [140.186.70.92] (port=56540 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OQEcd-0005mJ-9Q for grub-devel@gnu.org; Sun, 20 Jun 2010 03:07:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OQEcc-00005t-0e for grub-devel@gnu.org; Sun, 20 Jun 2010 03:07:14 -0400 Received: from cantor2.suse.de ([195.135.220.15]:43397 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OQEcb-00005W-RU for grub-devel@gnu.org; Sun, 20 Jun 2010 03:07:13 -0400 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.221.2]) by mx2.suse.de (Postfix) with ESMTP id BE97989471 for ; Sun, 20 Jun 2010 09:07:08 +0200 (CEST) From: Thomas Renninger To: grub-devel@gnu.org Date: Sun, 20 Jun 2010 09:07:04 +0200 User-Agent: KMail/1.9.10 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <201006200907.05236.trenn@suse.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4-2.6 Subject: Multiboot integration into the Linux kernel X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Jun 2010 07:07:16 -0000 Hi, I tried googling about this, but beside a patch (around 2005?) on lkml without a thread why it's not there I couldn't find much... What I'd like to a achieve is the possibility to override ACPI BIOS tables via boot loader and IMO the module loading as specified in the multiboot spec is perfect to do this. DSDT overriding via initrd existed (as a hack, never mainline), but DSDT parsing is done earlier in the boot process and it gets harder/impossible to do this with the current approach. With multiboot it should be possible to access files passed by the boot loader early and implementing the possibility to override arbitrary ACPI tables (also the more than a dozen static ones, e.g. SRAT, APIC, DMAR, ...) which are needed really early in the boot process for debugging purposes should be possible? Does there exist an out of tree multiboot Linux kernel project/repository I couldn't find with the aim to get things merged mainline at some point? What are the reasons/arguments multiboot does not exist in the Linux kernel? Thanks for any hint, Thomas