Re: [rtl] The cache, what a bad thing!

[Christophe Kumsta <kumsta@easynet.fr>]

Paolo Mantegazza wrote:
> In my opinion no jitter machines are only DSPs with no cache and
> strictly linear address space. With PCs and workstation you have to
> accept a compromise.
> If you disable the cache then things are more stable but you can be
> catched by the raptus to throw the PC out of the window. Try and see
> what happen when Linux boots up. That's why the first Celerons were
> almost pure s.....

Yes , but I've looked to the PIII new features and you have now
instructions ( not implemented in gcc at this moment ... )
which allow us to pass-throught the cache when needed or to
force cache loading ...

These instructions can be integrated in the source if needed
 with their HexCode.

-- KUMSTA Christophe
-- <kumsta@easynet.fr>
-- real-time system developper
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