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xen-devel
Re: [Xen-devel] Re: [Xen-users] Is xen planning to support hvm guests bo
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To: |
Ian Campbell <Ian.Campbell@xxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] Re: [Xen-users] Is xen planning to support hvm guests booting under UEFI? |
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From: |
"Andrei E. Warkentin" <andrey.warkentin@xxxxxxxxx> |
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Date: |
Mon, 26 Sep 2011 15:18:13 -0400 |
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Cc: |
"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.xen@xxxxxxxxx>, jim burns <jim_burn@xxxxxxxxxxxxx>, Bei Guan <gbtju85@xxxxxxxxx>, Paul Durrant <Paul.Durrant@xxxxxxxxxx>, Todd Deshane <todd.deshane@xxxxxxx>, Jordan Justen <jljusten@xxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx> |
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Mon, 26 Sep 2011 23:32:33 -0700 |
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Hi Ian, Keir, others -
I was the mentor for the project. We got to the point where OVMF on
Xen was indistinguishable from OVMF on QEMU as far
as emulated device support (Bei can confirm - is this true for
network/PXE boot as well?). ACPI and DMI info published from
the hvmloader is consumed by the firmware and published. I believe we
could boot RedHat. Last I checked Win7 was unbootable under QEMU with
OVMF (so we didn't check) and I don't know the status of that (if I
remember correctly, it BSODs in bootvid.sys (under QEMU) due to low
memory area not being reserved away, or because there is no fake IDT
set up - that seems to match up with the hoops I needed to do doing
similar work on Hyper-V).
OVMF is aware of Xen, and work was being done on a PV block device
(Bei got as far as hypercall support and xenstore). Bei, are you
working on the PV block driver? I want to say we're pretty close on
that one (PV block not very hard, and neither is the block device
abstraction for EFI).
I/Bei had patches against hvmloader (to support booting OVMF) and Bei
had patches against the management stack as well to expose the
functionality of picking OVMF as the firmware. I believe all of these
were sent to xen development list.
Jordan Justen (Intel) had been working on integrating the OVMF changes
last I checked, but I am not positive (I just changed jobs and
relocated, and still am not on the TianoCore mailing list). I am
adding him to the reply.
A
2011/9/26 Ian Campbell <Ian.Campbell@xxxxxxxxxx>:
> Adding Bei Guan and Andrey Warkentin who I think were student and mentor
> respectively. Hi guys!
>
> On Sun, 2011-09-25 at 15:50 +0100, Keir Fraser wrote:
>> The GSOC project student seemed to be making good progress, and there were
>> others on the OVMF side who were giving him support. I haven't heard
>> anything in about a month now, though.
>
> It would be very interesting to get an update (or a pointer to one) of
> the status/result of this particular project now that the GSoC is over.
>
> Thanks,
> Ian.
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