From owner-freebsd-hackers Fri Dec 7 2:53:48 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from harrier.prod.itd.earthlink.net (harrier.mail.pas.earthlink.net [207.217.120.12]) by hub.freebsd.org (Postfix) with ESMTP id 1019837B41A; Fri, 7 Dec 2001 02:53:46 -0800 (PST) Received: from pool0019.cvx21-bradley.dialup.earthlink.net ([209.179.192.19] helo=mindspring.com) by harrier.prod.itd.earthlink.net with esmtp (Exim 3.33 #1) id 16CIdD-000596-00; Fri, 07 Dec 2001 02:53:27 -0800 Message-ID: <3C109FAE.4D316E83@mindspring.com> Date: Fri, 07 Dec 2001 02:53:34 -0800 From: Terry Lambert X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony} (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Ian Dowse Cc: John Baldwin , Dmitry Konyshev , freebsd-hackers@FreeBSD.org Subject: Re: switching to real mode References: <200112061934.aa63585@salmon.maths.tcd.ie> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Ian Dowse wrote: [ ... booting another OS that is either real mode or requires the use of a real mode bootstrap, at FreeBSD shutdown ... ] > Yeah, I attempted something like this a few years ago without much > success. I've just updated the code to compile on -stable, and it > seems to half-work in that it appears to successfully switch to > real mode and clear the screen using the video BIOS, but then it > just hangs. That's pretty close to what I remember it doing > originally, although I think it might have worked before the VM86 > stuff was enabled by default in FreeBSD. Getting this sort of code > to work reliably is almost impossible... Source is at Anyone have any code that shuts Windows down to real mode and boots FreeBSD instead? That type of code would be *much* more interesting... -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message