Il 08/08/2014 12:17, Michal Privoznik ha scritto:
> + if (loader->nvram) {
> + virBufferFreeAndReset(&buf);
> + virBufferAsprintf(&buf,
> + "file=%s,if=pflash,format=raw,unit=1",
> + loader->nvram);
> +
> + virCommandAddArg(cmd, "-drive");
> + virCommandAddArgBuffer(cmd, &buf);
> + }
Note that other machines may not need unit=1, for example pseries
doesn't need it (it uses -bios for the firmware, not -drive if=pflash).
It would be nice to make this easily configurable.
Alternatively you could use unit=1 if there is a <loader type='pflash'>
element, and unit=0 otherwise. We can then patch QEMU to reject unit=1
on machines that use -bios + -drive if=pflash,unit=0.
Laszlo, what happens on x86 with -bios + -drive if=pflash,unit=0?
Paolo
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