How does pre memory C code work on K8.

ron minnich rminnich at
Fri Mar 12 11:40:01 CET 2004

On 12 Mar 2004, Eric W. Biederman wrote:

> It is also possible to store data in the dcache if you can reliably
> lock in cache blocks.  Your code still needs to run out of NOR flash.
> The PowerPC supports this.  On x86 I have not seen any publicly
> documented and supported way to do this yet...  I have done it and
> liked the results so much I implemented romcc.

Note that Greg Watson's PPC port of LinuxBIOS uses this 'early cacne' 

It would be nice to see this capability in the K8++


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