[SeaBIOS] [PATCH RFC] use bootorder file supplied by qemu to order bootable devices

[Gleb Natapov]

On Mon, Dec 13, 2010 at 08:55:53AM -0500, Kevin O'Connor wrote:
> On Mon, Dec 13, 2010 at 08:44:08AM -0500, Kevin O'Connor wrote:
> > On Mon, Dec 13, 2010 at 03:12:51PM +0200, Gleb Natapov wrote:
> > > On Thu, Dec 09, 2010 at 08:27:10PM -0500, Kevin O'Connor wrote:
> > > > On Wed, Dec 08, 2010 at 02:00:50PM +0200, Gleb Natapov wrote:
> > > > > With patch below (goes on top of bev per CD patch) I can specify boot
> > > > > order from qemu command line between several NICs, CDROMs, floppy and
> > > > > disk. With qemu command like this:
> > > > 
> > > > Hi Gleb.
> > > > 
> > > > I'm a bit behind right now, but I'll take a look this weekend.
> > > > 
> > > Have you had a chance to look at it? If not yet then here is updated
> > > version that fix one little bug with boot menu and choosing between
> > > multiple BCVs:
> > 
> > I did look at it, but didn't get a chance to reply.  Here are my
> > thoughts in brief:
> 
> One other question - when a drive is listed in "bootorder", does your
> patch prioritize drive booting in the IPL in addition to the drive
> order in the BCV?  I didn't see it, but I may have missed it.
> 
Yes:

 sort_ipls(IPL.bcv, IPL.bcvcount);
 /* Hard disk IPL inherits priority of the bootanle bcv */
 IPL.bev[1].prio = IPL.bcv[0].prio;                <--- here it is
 sort_ipls(IPL.bev, IPL.bevcount);
 IPL.bootorder = 0x87654321;


--
			Gleb.