Re: [Qemu-devel] Re: [RFC] linuxboot Option ROM for Linux kernel booting

[Nguyen Anh Quynh]

On 4/22/08, Alexander Graf <address@hidden> 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 <address@hidden> 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 <address@hidden>
> 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 <address@hidden>
> 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(-)
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
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