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Writing Testbenches

Writing Testbenches PDF Author: Janick Bergeron
Publisher: Springer Science & Business Media
ISBN: 0306476878
Category : Technology & Engineering
Languages : en
Pages : 373

Book Description
CHAPTER 6 Architecting Testbenches 221 Reusable Verification Components 221 Procedural Interface 225 Development Process 226 Verilog Implementation 227 Packaging Bus-Functional Models 228 Utility Packages 231 VHDL Implementation 237 Packaging Bus-Functional Procedures 238 240 Creating a Test Harness 243 Abstracting the Client/Server Protocol Managing Control Signals 246 Multiple Server Instances 247 Utility Packages 249 Autonomous Generation and Monitoring 250 Autonomous Stimulus 250 Random Stimulus 253 Injecting Errors 255 Autonomous Monitoring 255 258 Autonomous Error Detection Input and Output Paths 258 Programmable Testbenches 259 Configuration Files 260 Concurrent Simulations 261 Compile-Time Configuration 262 Verifying Configurable Designs 263 Configurable Testbenches 265 Top Level Generics and Parameters 266 Summary 268 CHAPTER 7 Simulation Management 269 Behavioral Models 269 Behavioral versus Synthesizable Models 270 Example of Behavioral Modeling 271 Characteristics of a Behavioral Model 273 x Writing Testbenches: Functional Verification of HDL Models Modeling Reset 276 Writing Good Behavioral Models 281 Behavioral Models Are Faster 285 The Cost of Behavioral Models 286 The Benefits of Behavioral Models 286 Demonstrating Equivalence 289 Pass or Fail? 289 Managing Simulations 292 294 Configuration Management Verilog Configuration Management 295 VHDL Configuration Management 301 SDF Back-Annotation 305 Output File Management 309 Regression 312 Running Regressions 313 Regression Management 314 Summary 316 APPENDIX A Coding Guidelines 317 Directory Structure 318 VHDL Specific 320 Verilog Specific 320 General Coding Guidelines 321 Comments 321 Layout 323 Syntax 326 Debugging 329 Naming Guidelines 329 Capitalization 330 Identifiers 332 Constants 334 334 HDL Specific Filenames 336 HDL Coding Guidelines 336 337 Structure 337 Layout

Writing Testbenches: Functional Verification of HDL Models

Writing Testbenches: Functional Verification of HDL Models PDF Author: Janick Bergeron
Publisher: Springer Science & Business Media
ISBN: 1461503027
Category : Technology & Engineering
Languages : en
Pages : 507

Book Description
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.

Writing Testbenches

Writing Testbenches PDF Author: Janick Bergeron
Publisher: Springer
ISBN:
Category : Computers
Languages : en
Pages : 384

Book Description
CHAPTER 6 Architecting Testbenches 221 Reusable Verification Components 221 Procedural Interface 225 Development Process 226 Verilog Implementation 227 Packaging Bus-Functional Models 228 Utility Packages 231 VHDL Implementation 237 Packaging Bus-Functional Procedures 238 240 Creating a Test Harness 243 Abstracting the Client/Server Protocol Managing Control Signals 246 Multiple Server Instances 247 Utility Packages 249 Autonomous Generation and Monitoring 250 Autonomous Stimulus 250 Random Stimulus 253 Injecting Errors 255 Autonomous Monitoring 255 258 Autonomous Error Detection Input and Output Paths 258 Programmable Testbenches 259 Configuration Files 260 Concurrent Simulations 261 Compile-Time Configuration 262 Verifying Configurable Designs 263 Configurable Testbenches 265 Top Level Generics and Parameters 266 Summary 268 CHAPTER 7 Simulation Management 269 Behavioral Models 269 Behavioral versus Synthesizable Models 270 Example of Behavioral Modeling 271 Characteristics of a Behavioral Model 273 x Writing Testbenches: Functional Verification of HDL Models Modeling Reset 276 Writing Good Behavioral Models 281 Behavioral Models Are Faster 285 The Cost of Behavioral Models 286 The Benefits of Behavioral Models 286 Demonstrating Equivalence 289 Pass or Fail? 289 Managing Simulations 292 294 Configuration Management Verilog Configuration Management 295 VHDL Configuration Management 301 SDF Back-Annotation 305 Output File Management 309 Regression 312 Running Regressions 313 Regression Management 314 Summary 316 APPENDIX A Coding Guidelines 317 Directory Structure 318 VHDL Specific 320 Verilog Specific 320 General Coding Guidelines 321 Comments 321 Layout 323 Syntax 326 Debugging 329 Naming Guidelines 329 Capitalization 330 Identifiers 332 Constants 334 334 HDL Specific Filenames 336 HDL Coding Guidelines 336 337 Structure 337 Layout

Writing Testbenches: Functional Verification Of Hdl Models, 2E

Writing Testbenches: Functional Verification Of Hdl Models, 2E PDF Author: Bergeron
Publisher:
ISBN: 9788181285669
Category :
Languages : en
Pages : 512

Book Description

Writing Testbenches using SystemVerilog

Writing Testbenches using SystemVerilog PDF Author: Janick Bergeron
Publisher: Springer Science & Business Media
ISBN: 0387312757
Category : Technology & Engineering
Languages : en
Pages : 432

Book Description
Verification is too often approached in an ad hoc fashion. Visually inspecting simulation results is no longer feasible and the directed test-case methodology is reaching its limit. Moore's Law demands a productivity revolution in functional verification methodology. Writing Testbenches Using SystemVerilog offers a clear blueprint of a verification process that aims for first-time success using the SystemVerilog language. From simulators to source management tools, from specification to functional coverage, from I's and O's to high-level abstractions, from interfaces to bus-functional models, from transactions to self-checking testbenches, from directed testcases to constrained random generators, from behavioral models to regression suites, this book covers it all. Writing Testbenches Using SystemVerilog presents many of the functional verification features that were added to the Verilog language as part of SystemVerilog. Interfaces, virtual modports, classes, program blocks, clocking blocks and others SystemVerilog features are introduced within a coherent verification methodology and usage model. Writing Testbenches Using SystemVerilog introduces the reader to all elements of a modern, scalable verification methodology. It is an introduction and prelude to the verification methodology detailed in the Verification Methodology Manual for SystemVerilog. It is a SystemVerilog version of the author's bestselling book Writing Testbenches: Functional Verification of HDL Models.

Verification Methodology Manual for SystemVerilog

Verification Methodology Manual for SystemVerilog PDF Author: Janick Bergeron
Publisher: Springer Science & Business Media
ISBN: 9780387255385
Category : Technology & Engineering
Languages : en
Pages : 534

Book Description
Offers users the first resource guide that combines both the methodology and basics of SystemVerilog Addresses how all these pieces fit together and how they should be used to verify complex chips rapidly and thoroughly. Unique in its broad coverage of SystemVerilog, advanced functional verification, and the combination of the two.

Writing Testbenches

Writing Testbenches PDF Author: Janick Bergeron
Publisher: Springer Science & Business Media
ISBN: 0306476878
Category : Technology & Engineering
Languages : en
Pages : 373

Book Description
CHAPTER 6 Architecting Testbenches 221 Reusable Verification Components 221 Procedural Interface 225 Development Process 226 Verilog Implementation 227 Packaging Bus-Functional Models 228 Utility Packages 231 VHDL Implementation 237 Packaging Bus-Functional Procedures 238 240 Creating a Test Harness 243 Abstracting the Client/Server Protocol Managing Control Signals 246 Multiple Server Instances 247 Utility Packages 249 Autonomous Generation and Monitoring 250 Autonomous Stimulus 250 Random Stimulus 253 Injecting Errors 255 Autonomous Monitoring 255 258 Autonomous Error Detection Input and Output Paths 258 Programmable Testbenches 259 Configuration Files 260 Concurrent Simulations 261 Compile-Time Configuration 262 Verifying Configurable Designs 263 Configurable Testbenches 265 Top Level Generics and Parameters 266 Summary 268 CHAPTER 7 Simulation Management 269 Behavioral Models 269 Behavioral versus Synthesizable Models 270 Example of Behavioral Modeling 271 Characteristics of a Behavioral Model 273 x Writing Testbenches: Functional Verification of HDL Models Modeling Reset 276 Writing Good Behavioral Models 281 Behavioral Models Are Faster 285 The Cost of Behavioral Models 286 The Benefits of Behavioral Models 286 Demonstrating Equivalence 289 Pass or Fail? 289 Managing Simulations 292 294 Configuration Management Verilog Configuration Management 295 VHDL Configuration Management 301 SDF Back-Annotation 305 Output File Management 309 Regression 312 Running Regressions 313 Regression Management 314 Summary 316 APPENDIX A Coding Guidelines 317 Directory Structure 318 VHDL Specific 320 Verilog Specific 320 General Coding Guidelines 321 Comments 321 Layout 323 Syntax 326 Debugging 329 Naming Guidelines 329 Capitalization 330 Identifiers 332 Constants 334 334 HDL Specific Filenames 336 HDL Coding Guidelines 336 337 Structure 337 Layout

Professional Verification

Professional Verification PDF Author: Paul Wilcox
Publisher: Springer Science & Business Media
ISBN: 1402078765
Category : Technology & Engineering
Languages : en
Pages : 193

Book Description
Professional Verification is a guide to advanced functional verification in the nanometer era. It presents the best practices in functional verification used today and provides insights on how to solve the problems that verification teams face. Professional Verification is based on the experiences of advanced verification teams throughout the industry, along with work done at Cadence Design Systems. Professional Verification presents a complete and detailed Unified Verification Methodology based on the best practices in use today. It also addresses topics important to those doing advanced functional verification, such as assertions, functional coverage, formal verification, and reactive testbenches.

Principles of Verifiable RTL Design

Principles of Verifiable RTL Design PDF Author: Lionel Bening
Publisher: Springer Science & Business Media
ISBN: 0306476312
Category : Technology & Engineering
Languages : en
Pages : 297

Book Description
System designers, computer scientists and engineers have c- tinuously invented and employed notations for modeling, speci- ing, simulating, documenting, communicating, teaching, verifying and controlling the designs of digital systems. Initially these s- tems were represented via electronic and fabrication details. F- lowing C. E. Shannon’s revelation of 1948, logic diagrams and Boolean equations were used to represent digital systems in a fa- ion that de-emphasized electronic and fabrication detail while revealing logical behavior. A small number of circuits were made available to remove the abstraction of these representations when it was desirable to do so. As system complexity grew, block diagrams, timing charts, sequence charts, and other graphic and symbolic notations were found to be useful in summarizing the gross features of a system and describing how it operated. In addition, it always seemed necessary or appropriate to augment these documents with lengthy verbal descriptions in a natural language. While each notation was, and still is, a perfectly valid means of expressing a design, lack of standardization, conciseness, and f- mal definitions interfered with communication and the understa- ing between groups of people using different notations. This problem was recognized early and formal languages began to evolve in the 1950s when I. S. Reed discovered that flip-flop input equations were equivalent to a register transfer equation, and that xvi tor-like notation. Expanding these concepts Reed developed a no- tion that became known as a Register Transfer Language (RTL).

Comprehensive Functional Verification

Comprehensive Functional Verification PDF Author: Bruce Wile
Publisher: Morgan Kaufmann
ISBN: 0127518037
Category : Computers
Languages : en
Pages : 703

Book Description
A key strength of this book is that it describes the entire verification cycle and details each stage. The organization of the book follows the cycle, demonstrating how functional verification engages all aspects of the overall design effort and how individual cycle stages relate to the larger design process. Throughout the text, the authors leverage their 35 plus years experience in functional verification, providing examples and case studies, and focusing on the skills, methods, and tools needed to complete each verification task. Additionally, the major vendors (Mentor Graphics, Cadence Design Systems, Verisity, and Synopsys) have implemented key examples from the text and made these available on line, so that the reader can test out the methods described in the text.

Hardware Verification with System Verilog

Hardware Verification with System Verilog PDF Author: Mike Mintz
Publisher: Springer Science & Business Media
ISBN: 0387717404
Category : Technology & Engineering
Languages : en
Pages : 324

Book Description
Verification is increasingly complex, and SystemVerilog is one of the languages that the verification community is turning to. However, no language by itself can guarantee success without proper techniques. Object-oriented programming (OOP), with its focus on managing complexity, is ideally suited to this task. With this handbook—the first to focus on applying OOP to SystemVerilog—we’ll show how to manage complexity by using layers of abstraction and base classes. By adapting these techniques, you will write more "reasonable" code, and build efficient and reusable verification components. Both a learning tool and a reference, this handbook contains hundreds of real-world code snippets and three professional verification-system examples. You can copy and paste from these examples, which are all based on an open-source, vendor-neutral framework (with code freely available at www.trusster.com). Learn about OOP techniques such as these: Creating classes—code interfaces, factory functions, reuse Connecting classes—pointers, inheritance, channels Using "correct by construction"—strong typing, base classes Packaging it up—singletons, static methods, packages
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