基于开源工具链的RISC-V处理器敏捷验证方法OA

The reliance on commercial EDA tools and the complexity of environment construction in traditional processor verification workflows often hinder agile development.To overcome these bottlenecks,this paper presents an agile,core-level verification methodol-ogy for RISC-V processors driven entirely by an open-source toolchain.By leveraging Verilator as the simulation engine and the Python-based Cocotb framework's coroutine mechanism,the proposed approach achieves both high-level abstraction of test stimuli and precise cycle-level driving.Furthermore,a lightweight test architecture is designed to accelerate the feedback loop.Case studies on the open-source RISC-V Ibex core demonstrate that,compared to the traditional Universal Verification Methodology(UVM),this scheme re-duces code size by approximately 85%and compresses the iteration cycle of a single test case from hours to minutes-all while ensuring the effective verification of critical paths such as instruction execution and exception response.This solution significantly enhances early-stage design efficiency and offers a cost-effective alternative for educational experiments and prototype development.