On Fri, Dec 04, 2009 at 11:33:13AM +0100, Alexander Graf wrote: > SeaBIOS needs to write to the f-segment. So it needs to have some way to set > that from read-only to read-write, write in it and when it's done set it to > read-only again. > > On PCI we have a mechanism for that. The ISA machine does not though. To stay > regression free and happily enable users to continue using the -M isapc > machine > let's just map it as RAM. The BIOS on PCI will set it to r/o later either way.
Thanks Alexander. With this qemu patch, SeaBIOS still wouldn't boot from a harddrive because it only probed PCI ATA controllers. I committed 4ccb2312 to SeaBIOS to have it probe for ISA ATA controllers when no pci devices are found. -Kevin
