Running with VGA

[YhLu]

Then Eric need to fix the MTRR for AMD...?

-----Original Message-----
From: Li-Ta Lo [mailto:ollie at lanl.gov] 
Sent: Friday, January 14, 2005 6:58 AM
To: YhLu
Cc: Sagiv Yefet; LinuxBIOS
Subject: RE: Running with VGA

On Thu, 2005-01-13 at 22:20, YhLu wrote:
> The problem is no body touch that range. Even init_ecc_memory will skip
the
> first 1M range.
> 

No. The problem is amd/early_mtrr and amd/mtrr are wrong. The 
amd/early_mtrr does not enable MEM forwarding of A0000-BFFFF to
main memory and amd/mtrr is called to late (it doesn't check if
A0000-BFFFF should be forward to IO or MEM neither).

I fixed it a long time ago. Eric's CPU code just wipe them out.
 
Ollie