Formal Verification of Cache System Using a Novel Cache Memory Model

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style="font-size:.9rem">Formal Verification of Cache System Using a Novel Cache Memory Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Guowei%20Hou">Guowei Hou</a>, <a href="https://publications.waset.org/abstracts/search?q=Lixin%20Yu"> Lixin Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Zhuang"> Wei Zhuang</a>, <a href="https://publications.waset.org/abstracts/search?q=Hui%20Qin"> Hui Qin</a>, <a href="https://publications.waset.org/abstracts/search?q=Xue%20Yang"> Xue Yang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Formal verification is proposed to ensure the correctness of the design and make functional verification more efficient. As cache plays a vital role in the design of System on Chip (SoC), and cache with Memory Management Unit (MMU) and cache memory unit makes the state space too large for simulation to verify, then a formal verification is presented for such system design. In the paper, a formal model checking verification flow is suggested and a new cache memory model which is called “exhaustive search model” is proposed. Instead of using large size ram to denote the whole cache memory, exhaustive search model employs just two cache blocks. For cache system contains data cache (Dcache) and instruction cache (Icache), Dcache memory model and Icache memory model are established separately using the same mechanism. At last, the novel model is employed to the verification of a cache which is module of a custom-built SoC system that has been applied in practical, and the result shows that the cache system is verified correctly using the exhaustive search model, and it makes the verification much more manageable and flexible. <iframe src="https://publications.waset.org/abstracts/26581.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cache%20system" title="cache system">cache system</a>, <a href="https://publications.waset.org/abstracts/search?q=formal%20verification" title=" formal verification"> formal verification</a>, <a href="https://publications.waset.org/abstracts/search?q=novel%20model" title=" novel model"> novel model</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20on%20chip%20%28SoC%29" title=" system on chip (SoC)"> system on chip (SoC)</a> 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Formal Verification of Cache System Using a Novel Cache Memory Model