[Qemu-devel] [PATCH 0/2] port over extboot from kvm

[Gerd Hoffmann]

$subject says pretty much everything.

extboot.[cS] are a straight copy from the kvm tree.  The windup in vl,c
and hw/pc.c is done slightly different, I've added a function to lookup
the boot drive instead of adding a new global variable.

Booting from scsi and virtio works, using the boot=on flag.

With the usb+scsi patches in anthonys patch queue applied booting from
usb works too.  Syntax is this:

        -drive if=none,id=pendrive,file=/path/to/image,boot=on
        -usb -device usb-storage,drive=pendrive

Booting a rawhide install from a virtual usb stick doesn't actually work
though, looks like it stresses qemus usb emulation too much.