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Date: Tue, 11 May 2010 15:47:40 +0300
From: Gleb Natapov <gleb@redhat.com>
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Subject: [Qemu-devel] Re: [SeaBIOS] [PATCHv2] Support for booting from
	virtio disks
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To: Kevin O'Connor <kevin@koconnor.net>
Cc: Stefan Hajnoczi <stefanha@gmail.com>, seabios@seabios.org, Avi Kivity <avi@redhat.com>, kvm@vger.kernel.org, qemu-devel@nongnu.org

On Tue, May 11, 2010 at 08:45:29AM -0400, Kevin O'Connor wrote:
> On Tue, May 11, 2010 at 10:04:25AM +0100, Stefan Hajnoczi wrote:
> > From what I can tell SeaBIOS is reading CMOS_BIOS_BOOTFLAG1 and
> > CMOS_BIOS_BOOTFLAG2 from non-volatile memory.  The values index into
> > bev[], which contains IPL entries (the drives).
> > 
> > Is the order of bev[] entries well-defined?  Is there a way for QEMU
> > command-line to know that the first virtio-blk device corresponds to x
> > and the IDE CD-ROM corresponds to y?
> 
> SeaBIOS arranges for bev[0] = floppy, bev[1] = hd, bev[2] = cdrom, and
> bev[3] to be the first network card - it does this so that the boot
> order can be read from qemu.  However, it's a pain to force this
> order.
> 
What if there are more then one disk?

--
			Gleb.