From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JofDO-0006Bv-OB for qemu-devel@nongnu.org; Wed, 23 Apr 2008 09:40:50 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JofDN-0006AQ-30 for qemu-devel@nongnu.org; Wed, 23 Apr 2008 09:40:50 -0400 Received: from [199.232.76.173] (port=43370 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JofDM-0006A8-H5 for qemu-devel@nongnu.org; Wed, 23 Apr 2008 09:40:48 -0400 Received: from rn-out-0910.google.com ([64.233.170.185]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JofDI-0006FP-MJ for qemu-devel@nongnu.org; Wed, 23 Apr 2008 09:40:45 -0400 Received: by rn-out-0910.google.com with SMTP id e24so1099933rng.8 for ; Wed, 23 Apr 2008 06:40:42 -0700 (PDT) Message-ID: <9cde8bff0804230640m2aac9db2ocad62cb7ebb9331c@mail.gmail.com> Date: Wed, 23 Apr 2008 22:40:41 +0900 From: "Nguyen Anh Quynh" Subject: Re: [Qemu-devel] Re: [RFC] linuxboot Option ROM for Linux kernel booting In-Reply-To: <347162E7-234D-444E-8244-277F2FDB05F5@csgraf.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <9cde8bff0804202032k6bd44ac6td913c05410e6284@mail.gmail.com> <9cde8bff0804202033p68524e8ag8503b5ba8ab89100@mail.gmail.com> <9cde8bff0804202036w62cc553fhca142ec2731a3a8e@mail.gmail.com> <9cde8bff0804220207g3fd39012rc8f5480fae34aff2@mail.gmail.com> <347162E7-234D-444E-8244-277F2FDB05F5@csgraf.de> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: kvm-devel , qemu-devel@nongnu.org On 4/22/08, Alexander Graf wrote: > I believe that's the way to go. If you have spare time on your hands, feel > free to integrate my multiboot patches as well. > OK, that looks straightforward enough. Thanks, Q > > On Apr 22, 2008, at 11:07 AM, Nguyen Anh Quynh wrote: > > > > Hi, > > > > I am thinking about comibing this ROM with the extboot. Both two ROM > > are about "booting", so I think that is reasonable. So we will have > > only 1 ROM that supports both external boot and Linux boot. > > > > Is that desirable or not? > > > > Thanks, > > Quynh > > > > On 4/21/08, Nguyen Anh Quynh wrote: > > > > > Hmm, the last patch includes a binary. So please take this patch > instead. > > > > > > Thanks, > > > > > > Q > > > > > > # diffstat linuxboot1.diff > > > Makefile | 13 ++++- > > > linuxboot/Makefile | 40 +++++++++++++++ > > > linuxboot/boot.S | 54 +++++++++++++++++++++ > > > linuxboot/farvar.h | 130 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > > > linuxboot/rom.c | 104 > ++++++++++++++++++++++++++++++++++++++++ > > > > > > linuxboot/signrom.c | 128 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > > > linuxboot/util.h | 69 +++++++++++++++++++++++++++ > > > qemu/Makefile | 3 - > > > qemu/Makefile.target | 2 > > > qemu/hw/linuxboot.c | 39 +++++++++++++++ > > > qemu/hw/pc.c | 22 +++++++- > > > qemu/hw/pc.h | 5 + > > > > > > 12 files changed, 600 insertions(+), 9 deletions(-) > > > > > > > > > > > > > > > > > > > > > On Mon, Apr 21, 2008 at 12:33 PM, Nguyen Anh Quynh > wrote: > > > > > > > Forget to say that this patch is against kvm-66. > > > > > > > > Thanks, > > > > Q > > > > > > > > > > > > > > > > On Mon, Apr 21, 2008 at 12:32 PM, Nguyen Anh Quynh > wrote: > > > > > > > > > Hi, > > > > > > > > > > This should be submitted to upstream (but not to kvm-devel list), > but > > > > > this is only the test code that I want to quickly send out for > > > > > comments. In case it looks OK, I will send it to upstream later. > > > > > > > > > > Inspired by extboot and conversations with Anthony and HPA, this > > > > > linuxboot option ROM is a simple option ROM that intercepts int19 in > > > > > order to execute linux setup code. This approach eliminates the need > > > > > to manipulate the boot sector for this purpose. > > > > > > > > > > To test it, just load linux kernel with your KVM/QEMU image using > > > > > -kernel option in normal way. > > > > > > > > > > I succesfully compiled and tested it with kvm-66 on Ubuntu 7.10, > guest > > > > > Ubuntu 8.04. > > > > > > > > > > Thanks, > > > > > Quynh > > > > > > > > > > > > > > > # diffstat linuxboot1.diff > > > > > Makefile | 13 ++++- > > > > > linuxboot/Makefile | 40 +++++++++++++++ > > > > > linuxboot/boot.S | 54 +++++++++++++++++++++ > > > > > linuxboot/farvar.h | 130 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > > > > > linuxboot/rom.c | 104 > ++++++++++++++++++++++++++++++++++++++++ > > > > > linuxboot/signrom |binary > > > > > linuxboot/signrom.c | 128 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > > > > > linuxboot/util.h | 69 +++++++++++++++++++++++++++ > > > > > qemu/Makefile | 3 - > > > > > qemu/Makefile.target | 2 > > > > > qemu/hw/linuxboot.c | 39 +++++++++++++++ > > > > > qemu/hw/pc.c | 22 +++++++- > > > > > qemu/hw/pc.h | 5 + > > > > > 13 files changed, 600 insertions(+), 9 deletions(-) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >