2012/4/15 Gleb Natapov <[email protected]>: > 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.
Then the partition should not be flagged as a boot partition, and it won't be booted from. Then it proceeds to try to boot from the next device. > >> 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
