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The functional validation of a state-of-the-art reconfigurable computing system design is usually a laborious, ad hoc and open-ended task. It can be accomplished through two basic approaches: simulation and formal verification. In validation using a formal verification approach, it attempts to establish that the register transfer level (RTL) design synthesized from the algorithmic behavioral specification is mathematically correct. Therefore, finding the verification methods to provide accurate and fast validation easily would be very useful. In this paper, we develop a semantics based on a partial order based model (POM) for RTL and, through this semantics, propose a formal verification method to prove the correctness of the RTL synthesis result. This method can be used to achieve the following. On one hand, it can accurately verify an RTL description with respect to a behavioral specification of the system; on the other hand, it can decide whether two processes, which are supposed to implement the same function, have the same interactive behaviors, so that one can be replaced by the other.
Date of Conference: 4-7 April 2005