On Sun, Apr 15, 2012 at 02:24:05PM +0200, Fred . wrote: > Why would anyone want to define some devices as unbootable? > Because he does not want to boot from them.
> On Sun, Apr 15, 2012 at 8:57 AM, Gleb Natapov <[email protected]> wrote: > > On Sat, Apr 14, 2012 at 11:19:31PM -0400, Kevin O'Connor wrote: > >> On Thu, Apr 12, 2012 at 01:30:36PM -0600, Steve Goodrich wrote: > >> > I'm working towards a goal of having specific devices be bootable, and > >> > *only* those devices. For example, if my bootorder file specifies SATA > >> > drive 3, I do not want it to try SATA drives 0, 1, and 2, nor any other > >> > HDD > >> > or floppy that it finds. > >> > > >> > My first question is: how do I do this? > >> > >> There is no current way to do this. I suppose one could code support > >> for a "stop boot" option to the boot order file - so that if it was > >> listed in the file the boot would stop after trying all options prior > >> to it. > >> > > I thought to add skipboot file. If device is in skipboot file it is not > > considered for booting from. > > > >> > If that can't be answered, can someone explain to me the relationship > >> > between the bootorder file and the BEV (Boot Execution Vector) > >> > configured in > >> > boot.c? > >> > >> All possible boot options (both BEV and BCV) are assembled in a sorted > >> list pointed to by boot.c:BootList. The bootorder file alters the > >> default sort order of that list. During the latter parts of the POST > >> phase, the BCVs are executed and only BEVs remain. The list of BEVs > >> is generated from the BootList. So, in a nutshell, the bootorder file > >> determines the order of the BEVs that SeaBIOS will attempt to boot > >> from. > >> > >> -Kevin > >> > >> _______________________________________________ > >> SeaBIOS mailing list > >> [email protected] > >> http://www.seabios.org/mailman/listinfo/seabios > > > > -- > > Gleb. > > > > _______________________________________________ > > SeaBIOS mailing list > > [email protected] > > http://www.seabios.org/mailman/listinfo/seabios -- Gleb. _______________________________________________ SeaBIOS mailing list [email protected] http://www.seabios.org/mailman/listinfo/seabios
