From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: Extboot Option ROM rewritten in C - v3 Date: Fri, 18 Apr 2008 08:19:56 -0500 Message-ID: <48089FFC.1010005@us.ibm.com> References: <9cde8bff0804161830j74ad21f9r7fb1bc5b1e7ab28e@mail.gmail.com> <4806E77D.7070100@zytor.com> <9cde8bff0804180400p73d268e4y34ba48d3c2b6d533@mail.gmail.com> <48089237.7070006@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net To: "H. Peter Anvin" Return-path: In-Reply-To: <48089237.7070006@zytor.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org H. Peter Anvin wrote: > Nguyen Anh Quynh wrote: >> >> Actually, this code is left from the original code of Anthony, and it >> seems he took it from qemu 0.8 version. >> >> Anthony, may you explain why you want to hijact the linux boot process >> here? If I understand correctly, we can just let the original int19 >> execute, and if linux boot is desired, it would work in normal way. So >> why you want to do this? >> > > I'm having exactly the *opposite* question... why does extboot have > code to hook int 13h? extboot is primarily intended to allow scsi boot or boot from a pv disk. It hooks int13h to fake out disk access. Regards, Anthony Liguori > -hpa ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone