Writing Testbenches: Functional Verification of HDL Models
2nd ed. 2003, XXX, 478 p.
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mental improvements during the same period. What is clearly needed in verification techniques and technology is the equivalent of a synthesis productivity breakthrough. In the second edition of Writing Testbenches, Bergeron raises the verification level of abstraction by introducing coverage-driven constrained-random transaction-level self-checking testbenches all made possible through the introduction of hardware verification languages (HVLs), such as e from Verisity and OpenVera from Synopsys. The state-of-art methodologies described in Writing Test benches will contribute greatly to the much-needed equivalent of a synthesis breakthrough in verification productivity. I not only highly recommend this book, but also I think it should be required reading by anyone involved in design and verification of today's ASIC, SoCs and systems. Harry Foster Chief Architect Verplex Systems, Inc. xviii Writing Testbenches: Functional Verification of HDL Models PREFACE If you survey hardware design groups, you will learn that between 60% and 80% of their effort is now dedicated to verification.
About the Cover. Foreword. Preface. Why This Book Is Important. What This Book Is About. What Prior Knowledge You Should Have. Reading Paths. Choosing a Language: VHDL vs. Verilog. Hardware Verification Languages. And the Winner is... For More Information. Acknowledgements.
1: What is Verification? What is a Testbench? The Importance of Verification. Reconvergence Model. The Human Factor. What Is Being Verified? Functional Verification Approaches. Testing Versus Verification. Design and Verification Reuse. The Cost of Verification. Summary.
2: Verification Tools. Linting Tools. Simulators. Verification Intellectual Property. Waveform Viewers. Code Coverage. Functional Coverage. Verification Languages. Assertions. Revision Control. Issue Tracking. Metrics. Summary.
3: The Verification Plan. The Role of the Verification Plan. Levels of Verification. Verification Strategies. From Specification to Features. Directed Testbenches Approach. Coverage-Driven Random-Based Approach. Summary.
4: High-Level Modeling. Behavioral versus RTL Thinking. You Gotta Have Style! Structure of Behavioral Code. Data Abstraction. Object-Oriented Programming. Aspect-Oriented Programming. The Parallel Simulation Engine. Race Conditions. Verilog Portability Issues. Summary.
5: Stimulus and Response. Reference Signals. Simple Stimulus. Simple Output. Complex Stimulus. Bus-Functional Models. Response Monitors. Transaction-Level Interface. Summary.
6: Architecting Testbenches. Test Harness. VHDL Test Harness. Design Configuration. Self-Checking Testbenches. Directed Stimulus. Random Stimulus. Summary.
7: Simulation Management. Behavioral Models. Pass or Fail? Managing Simulations. Regression. Summary.
Appendix A: Coding Guidelines. Directory Structure. General CodingGuidelines. Naming Guidelines. HDL Coding Guidelines.
Appendix B: Glossary. Afterwords. Index.