Re:Microprocessor Design (2017)
by dschuetz on Thursday January 04, 2018 @09:51AM
(#16070654)
So you are talking about a special purpose processor solely for the purpose of being 100% deterministic? It'll be slow, but potentially more secure than its general purpose counterparts. Which of both would be more reliable security-wise? If you put both in a single system respecting the purposes, a heterogeneous system is the result.
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You will still get something very different from HSA's understanding of heterogeneous design or secure enclave processors (although those ones come closer to the idea).
The thing that is approaching it the most is a smartcard CPU. Flat X-i-P rom, cacheless, embedded mram or fram, <100 instructions, full register state determinism.