[coreboot] [PATCH] Free VGA BIOS for K8M890

ron minnich rminnich at gmail.com
Sat Apr 25 18:44:28 CEST 2009


On Sat, Apr 25, 2009 at 9:41 AM, Kevin O'Connor <kevin at koconnor.net> wrote:

> The PCI spec states that option roms must be called in "big real"
> mode.  The only reason to make this demand is so that the option rom
> can use 32bit registers and memory accesses.

Yes, I'm probably mistaking these 0x66 prefix insns for non-86
instructions ... but I do recall from years back that some of the
things we saw in the vga bios looked like more than just bigreal. But
then again, my memory may be fuzzy.

ron




More information about the coreboot mailing list