From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755364AbXD2Ork (ORCPT ); Sun, 29 Apr 2007 10:47:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755371AbXD2Orj (ORCPT ); Sun, 29 Apr 2007 10:47:39 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:49486 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755364AbXD2Ori (ORCPT ); Sun, 29 Apr 2007 10:47:38 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: kexec@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Jan Engelhardt Subject: Re: [Fastboot] restoring x86 BIOS state before reboot References: <20070406154628.GG12005@jukie.net> <20070429094135.GA10948@suse.de> Date: Sun, 29 Apr 2007 08:46:59 -0600 In-Reply-To: <20070429094135.GA10948@suse.de> (Bernhard Walle's message of "Sun, 29 Apr 2007 11:41:35 +0200") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bernhard Walle writes: > * Eric W. Biederman [2007-04-29 08:51]: >> >> It may also be worth investigating if it is possible to bypass >> the part of windows that uses BIOS calls. I really don't have >> a clue how a modern windows systems boots. > > I think ReactOS has a bootlader that can also boot Windows, or at > least they are close to booting the Windows kernel. That bootloader > could be then used for booting Windows without BIOS calls. > > I also heard that the 100-$-Laptop should now be able to use Windows. > As it's using LinuxBIOS, this could also be interesting. However, > maybe Microsoft simply modifies a special Windows for this, or they > integrate a ClosedSource part in that LinuxBIOS, I don't know ... :-( I know it isn't a ClosedSource part in LinuxBIOS. In any particular case you can work through the details, and make it work. The hard part is making the general case work. Eric From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [2002:a646:1c45::1] (helo=ebiederm.dsl.xmission.com) by canuck.infradead.org with esmtps (Exim 4.63 #1 (Red Hat Linux)) id 1HiAgW-0000Us-7E for kexec@lists.infradead.org; Sun, 29 Apr 2007 10:47:37 -0400 From: ebiederm@xmission.com (Eric W. Biederman) Subject: Re: [Fastboot] restoring x86 BIOS state before reboot References: <20070406154628.GG12005@jukie.net> <20070429094135.GA10948@suse.de> Date: Sun, 29 Apr 2007 08:46:59 -0600 In-Reply-To: <20070429094135.GA10948@suse.de> (Bernhard Walle's message of "Sun, 29 Apr 2007 11:41:35 +0200") Message-ID: MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org+dwmw2=infradead.org@lists.infradead.org To: kexec@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Jan Engelhardt Bernhard Walle writes: > * Eric W. Biederman [2007-04-29 08:51]: >> >> It may also be worth investigating if it is possible to bypass >> the part of windows that uses BIOS calls. I really don't have >> a clue how a modern windows systems boots. > > I think ReactOS has a bootlader that can also boot Windows, or at > least they are close to booting the Windows kernel. That bootloader > could be then used for booting Windows without BIOS calls. > > I also heard that the 100-$-Laptop should now be able to use Windows. > As it's using LinuxBIOS, this could also be interesting. However, > maybe Microsoft simply modifies a special Windows for this, or they > integrate a ClosedSource part in that LinuxBIOS, I don't know ... :-( I know it isn't a ClosedSource part in LinuxBIOS. In any particular case you can work through the details, and make it work. The hard part is making the general case work. Eric _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec