[coreboot] [PATCH] SeaBIOS - vgahooks improvements
r.marek at assembler.cz
Wed Dec 24 19:09:27 CET 2008
Just a quick jump from nice evening back to nice stuff ;)
> I thought the code would be vga chip dependent. However, it looks
> like it depends on both the chipset and vga chip.
Well VGA is inside chipset.
> It's going to be hard to maintain cpu and chipset specific features in
> SeaBIOS. I wonder if we can find an alternative.
For another chipsets like VX800 or CN700 it would be approx same amount of code.
Not that bad.
> Can you provide more details on what you're seeing? The VGA BIOS is
> calling int 155f18 and then populating a register in the vga card's
> pci config space?
Yes exactly. Its in the card registers, not a PCI space, but yes in principle.
If so, could coreboot populate the register
No, BIOS ROM overwrites this.
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