By Mike Mintz;Robert Ekendahl
Written by way of verification engineers, Verification with C++: A Practitioner’s guide is a four-part journey of the way to accomplish object-oriented suggestions.
Part I makes the case for C++, and exhibits a typical verification approach utilizing object-oriented programming (OOP).
Part II provides open-source C++ libraries that let effective verification with C++ -- Teal, a C++ to Verilog interface, and Truss, a customary verification framework.
Part III specializes in OOP with examples from genuine verification projects.
Part IV places all of it jointly exhibiting whole block-level and system-level verification systems.
"The guide offers a transparent knowing of object-oriented programming, and the way it applies to verification. it truly is transparent to me that C++, including Teal and Truss, may perhaps shape a powerful platform for the subsequent iteration of verification."
Dr. Stanley Hyduke, CEO of Aldec, Inc.
"With this e-book i think convinced i will be able to represent a verification workforce which can make sturdy use of C++ for verification, with all of the optimistic effects i might desire for fulfillment. that may be a breakthrough!"
Bob Fredieu, vice president of study and improvement and Cofounder, Assertive Design
"Teal allow us to hit the floor working and concentrate on constructing our highbrow estate rather than simulation infrastructure. After winning ASIC tasks, we couldn’t be happier with its caliber, completeness and compactness."
Bennet Ih, ASIC Verification Lead, SigmaTel Imaging structures Group
"Hardware verification complexity has grown to be a software program attempt, requiring complicated strategies corresponding to OOP. With transparent suggestions and examples, this guide courses the reader in the course of the complexities of utilizing OOP to create testbenches. despite what language you employ, this e-book may also help sharpen your skills."
Chris Spear, Verification advisor, Synopsys, Inc., writer of SystemVerilog for Verification
Read Online or Download Hardware Verification with C++: A Practitioner’s Handbook PDF
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Additional resources for Hardware Verification with C++: A Practitioner’s Handbook
Example text
Finally, we decided that all constraints were to be local to a class, and not in the inherited classes. 4 Coverage In addition to using constraints to guide the randomization, HVLs add a coverage sublanguage. While coverage is an important concept, the authors are not certain that the industry has a clear solution to apply it. It is a relatively simple matter to collect data, but many questions remain. Do you keep the time that the coverage event occurred? How do you fold a large coverage range (such as an integer or a real) into coverage bins?
A Practitioner’s Handbook z z zz z z z 11 Chapter 2: Why C++? Language Pros Cons Verilog, VHDL Simple, no extra license required No class concept, no separation of verification and chip concerns Cadence Specman “e” Rich feature set Proprietary, nonorthogonal language design OpenVera C++ “like”, better feature set than HDL Effectively proprietary, interpreted, lacking full OOP support SystemVerilog IEEE standard, one tool does all, C interface Covers all aspects from gates to OOP, implementation compliance is weak, language is large, yet programming feature set is small compared to C++ (no operator overloading, templating, multiple inheritance), weak C interface SystemC (C++) Well-known language, open source, does not need a simulator Big footprint, focus is on modeling, heavy use of templating, coverage and constraint system dominates coding, long compile times, hard to learn Teal (C++) Well-known language, good use of C++, open source, few source files Not a product, no inherent automatic garbage collection Homegrown PLI/C Free, well known Not usually multithreaded, usually called from HDL as a utility function Many organizations use proprietary C code to implement the verification strategy.
Each developer of the actual classes that fit in a particular structure would then inherit from this abstract base class, and implement the details for how a particular function should be implemented for the problem at hand. This technique of defining the interface through virtualization, often called inheritance for interface, is frequently used in OOP-based projects. The clever thing is that now one could write the code for the framework layer using abstract base classes. This not only allowed the framework to be implemented concurrently with the data-based classes, but it also allowed the framework layer to be developed in a much more generic way.