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> I would expect most implementations of Crusoe technology to use memory
> shadowing technology. For a start, ROM is *much* slower than RAM, unless
> you're using expensive ROM. The technology is very different. I would
> imagine, due to the criticality of the morphing (75% of the processor,
> remember ;), it would be implemented as quickly as possible. Also, you
> want to page the Flash ROM out of addressable space as quickly as
> possible, to reduce the hazard of virii ;) (This applies to Trojans as
> well, I guess).
>

Both the translation cache and the morph code reside in a seperate
region of memory which is inaccessible to x86 (and, I suppose, all
source) code. I haven't seen anything about there being a direct
interface to the morph code other than through flash'ing the
ROM chip.

A.D.

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