Sebastian Herbszt wrote:
Laurent Vivier wrote:
This patch allows to select and boot from an option ROM
with a Boot Connection Vector (BCV) entry.
The BIOS detects the BCV option ROM and adds it to the IPL table, and
then
you are able to select it to boot.
This patch has been tested with Bochs BIOS version from the KVM
source tree
and a gPXE ROM modified to be a BCV one.
Any plans to convert extboot into a compatible option rom?
I think the plan is to replace extboot with gPXE, and load it by default
in QEMU. Since it supports BCV and BEV, we can rely on passing a boot
index to choose which device to boot from.
I was thinking about what to do about SCSI boot support. We could add
an LSI driver to gPXE too. That seems like a bit much though. We could
add a special virtio transport for gPXE and then reuse virtio-blk to
boot from arbitrary devices.
Regards,
Anthony Liguori
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