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Re: [Qemu-devel] [PATCH] Add -option-rom option to allow loading of PCI
Re: [Qemu-devel] [PATCH] Add -option-rom option to allow loading of PCI option ROMs
Wed, 27 Dec 2006 11:12:45 -0600
Thunderbird 18.104.22.168 (X11/20061115)
Fabrice Bellard wrote:
OK for the -option-rom option. Later it would be better to handle it
at the NIC level, but it is more complicated (some BIOS patches would
be needed to remap the PCI ROM at the right address for example).
I think the -boot n option should be merged in QEMU too. Some people
need it to make tests.
Okay, I'll post that patch.
Regarding VMI, I began some work in this area with kqemu but I did not
manage to find time to finish it (VMI in QEMU would enable to run
Linux VMs with performance levels close to Xen at the expense of a
I had a VMI ROM working with an older version of VMI. I've got some
time this week so I've been trying to do the same thing with the newer
I'd like to at least get a pass through ROM working and then start
playing around with stuff like moving some of the device emulation into
the ROM. This would be most useful for something like KVM where the PIO
latency is a major bottleneck.
Eventually, it would be nice to use it to run the guest in ring 1 on
bare metal of course. I do agree that with VMI QEMU should be
competitive with Xen.