Re: [LinuxBIOS] using Graphics card ram as actual ram?

[Juergen Beisert]

On Wednesday 30 May 2007 18:57, RusH wrote:
> Currently LinuxBios is using CAR for ram. What about using Video card
> memory? is that feasible? Can you setup Video memory as stack?

It would be possible, but this memory also is disabled after reset. To use it 
as RAM you must enable graphic controller's SDRAM controller first. And to 
enable graphic controller's SDRAM controller, you must init its PCI 
configurations space first, otherwise you can't access its registers....

Using CAR is much easier, as it depends only on CPU features.

Juergen