[LinuxBIOS] Cache As Ram
jiangbo.w at gmail.com
Fri Oct 27 04:14:43 CEST 2006
Thanks for all replies!
Ron, I also flunked :-). I think i should read Intel manual again and
On 10/27/06, ron minnich <rminnich at gmail.com> wrote:
> On 10/26/06, Tom Sylla <tsylla at gmail.com> wrote:
> > Please refer to Chapter 10 "Memory Cache Control" in the Intel manual
> > you mentioned. Find the Table called "Cache Operating Modes" (Table
> > 10-5 in current version). The way it works is described well in that
> > table. For CD=1, "Read hits access the cache; read misses do not cause
> > replacement." and "Write hits update the cache". So that means
> > anything that is a "hit" acts just like RAM. Nothing too fancy. You
> > just have to make sure that the area you want to "hit" gets pre-loaded
> > before you turn the cache back off again.
> Thanks tom!
> this is the 'can you read carefully' test that I flunked. It is obvious
> once you read it, except I missed it for
> 5 years :-) Once Eswar pointed it out it was obvious.
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