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This blog is the first of a series where I will show how to use Formal Verification (FV) with a pragmatic, realistic, predictable, and efficient approach. The goal of this blog series is not to explain how FV works, but how to use best practices to achieve verification targets. Indeed, having efficient tools is one thing, bringing higher quality is another thing. I will tell a real life story where FV has been used within Codasip and provided excellent results.

If you have a basic understanding of FV principles (if you don’t I recommend reading this book), and experience in digital hardware design and verification, then this case study is for you.

A bit of context

Our tools and IPs

First things first. Let me give you some context. At Codasip we develop processor design solutions to enable Custom Compute. In other words, we develop an EDA tool called Codasip Studio and RISC-V processor IPs. With such an approach, we are able to provide an end-to-end methodology, supported by a tool, in order to customize these IPs.

Codasip Studio is our design automation toolset. It offers a library of generic modules which can be instantiated within IPs. One of these is a highly configurable cache to be connected to a processor, using an AHB or AXI interface.

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