[SeaBIOS] Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?)

Kevin O'Connor kevin at koconnor.net
Wed Dec 16 15:12:21 CET 2009

On Wed, Dec 16, 2009 at 03:52:34PM +0200, Michael S. Tsirkin wrote:
> I am mostly concerned with migrating between qemu versions with
> different roms, while guest was in the middle of running ROM.
> This might be solved if we migrated ROM content together with
> the device and put some padding in ROM content so that
> size can be kept constant.

SeaBIOS will always copy the roms into the 0xc0000-0xf0000 memory area
(regardless of CONFIG_OPTIONROMS_DEPLOYED).  So, if one migrates a
machine while running a rom, the memory holding the rom should get
migrated with everything else.


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