On Thu, 27 Sep 2012 12:13:05 +0200, Gleb Natapov <g...@redhat.com> wrote: > On Thu, Sep 27, 2012 at 03:35:53PM +0530, Nikunj A Dadhania wrote: > > > > If the user does not set bootindex, qemu would decide the bootindex? > > > No. Firmware decides. QEMU just tells to firmware that it does not have > bootindex.
Ok. That should work in that case, we need to make sure that bootindex is being send via device-tree. I do not see such code in place currently. > > > If it does, there will be a default bootindex. Then the problem still > > remains, qemu decided the boot-order, in which case we would want to > > pick the nvram based setting. This is again difficult to distinguish. > > > > > There is nothing "blurry" about OF device > > > path. The problem is that it works reasonably well with legacy BIOS > > > since it is enough to specify device to boot from, but with EFI (OF is > > > the same I guess) it is not enough to point to a device to boot from, > > > but you also need to specify a file you want to boot and this is where > > > bootindex approach fails. > > > > By file I suppose you mean OF device-path. > > > No. By file I mean a file on dedicated EFI FAT partition that EFI loads > during boot. I do not know if OF has something similar. > No, it just needs the device-path. Rest it figures out. Regards Nikunj
