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

[Nguyen Anh Quynh]

On 4/22/08, Anthony Liguori <address@hidden> wrote:
> 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.
> >
> >
>
>  For the next rounds, could you actually rebase against upstream QEMU and
> submit to qemu-devel?  One of Paul Brook's objections to extboot had
> historically been that it wasn't not easily sharable with other
> architectures.  With a C version, it seems more reasonable now to do that.

OK.

>
>  Make sure you remove all the old linux boot code too within QEMU along with
> the -hda checks.

Sure.

Thanks,
Q