Graeme Russ wrote: > >> Would be interesting to investigate implementing a stub in U-Boot to > >> initialise and use VGA option ROMs > > > > VGA option ROMs call BIOS functions. So, one needs a BIOS > > implementation (eg, SeaBIOS) or an emulator for them (eg, in > > coreboot). > > How many functions are needed?
That depends completely on the particular VGA option ROM. Having as complete a BIOS environment as can possibly be accomplished is the only hope to making arbitrary option ROMs work. Option ROMs are heavily tied into the BIOS concept. > (surely not all the IDE and keyboard stuff for example) I think I've seen some VGA option ROM get stuck waiting for non-working keyboard BIOS services. > - Could the bare minimum be implemented in a stripped-down modified > SeaBIOS? Not really. > All this because stupid hardware manufacturers refuse to release details > of how to do even the most basic of functions with their hardware :( Welcome to coreboot. //Peter _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
