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Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios
From: |
Gleb Natapov |
Subject: |
Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios |
Date: |
Mon, 11 Oct 2010 22:36:53 +0200 |
On Mon, Oct 11, 2010 at 03:30:21PM -0500, Anthony Liguori wrote:
> On 10/11/2010 02:59 PM, Gleb Natapov wrote:
> >No boot rom should do that. extboot wreaks havoc when it is used.
> >And since virtio is now supported by bios there is no reason to use it.
>
> You don't really have a choice. You could be doing hardware
> passthrough and the ROM on the card may hijack int19.
>
Then this particular HW would be broken on real HW too and will not
respect BIOS settings. But the code we provide should work properly.
> >Whoever needs scsi boot should add it to seabios too.
>
> I don't disagree.
>
> I think the best thing to do is to let SeaBIOS create a boot order
> table that contains descriptive information and then advertise that
> to QEMU.
>
What for? Why this step is needed?
> QEMU can then try to associate the list of bootable devices with
> it's own set of devices and select a preferred order that it can
> then give back to SeaBIOS. SeaBIOS can then present that list to
> the user for additional refinement.
>
Why not skip your first step and let QEMU create boot order list and
pass it into Seabios. If menu=on option is present user will be able to
override the default from Seabios.
--
Gleb.
- [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/11
- Re: [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Kevin Wolf, 2010/10/11
- Re: [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/11
- Re: [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gerd Hoffmann, 2010/10/11
- Re: [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Anthony Liguori, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Anthony Liguori, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios,
Gleb Natapov <=
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Anthony Liguori, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, H. Peter Anvin, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Sebastian Herbszt, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, H. Peter Anvin, 2010/10/11
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/12
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, H. Peter Anvin, 2010/10/12
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/12
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, H. Peter Anvin, 2010/10/12
- Re: [SeaBIOS] [Qemu-devel] [RFC] Passing boot order from qemu to seabios, Gleb Natapov, 2010/10/12