From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Real mode emulation Date: Fri, 12 Jan 2007 18:46:21 +0200 Message-ID: <45A7BB5D.30501@qumranet.com> References: <1168613687.5332.83.camel@gullible> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: To: Ben Collins In-Reply-To: <1168613687.5332.83.camel@gullible> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Ben Collins wrote: > Being able to boot Ubuntu's liveCD from KVM is fairly important to me at > this point. > > We use a bootsplash, and I don't think that's going to change. Nor should you -- that's a kvm bug, and guests need not work around it. > We do > have alternate install CD's, but they don't boot to a live session, > where people can test things (plus virtualization technologies like KVM > provide us with a quick and dirty test bed for liveCD boot/install). > > What all is involved in doing the x86_emulate.c changes for real mode? > Some docs, and maybe a bit of explanation on where these changes need to > be made. > > There's some details in http://www.mail-archive.com/kvm-devel%40lists.sourceforge.net/msg00626.html In addition to the x86_emulate.c changes listed there, you'd need to change vmx_vcpu_run() to call the emulator in guest real mode, instead of using VT. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV