By Mike Mintz
Verification is more and more advanced, and SystemVerilog is without doubt one of the languages that the verification neighborhood is popping to. even if, no language on its own can warrantly luck with no right options. Object-oriented programming (OOP), with its specialise in coping with complexity, is perfect to this task.
With this handbook—the first to target utilizing OOP to SystemVerilog—we’ll exhibit tips on how to deal with complexity through the use of layers of abstraction and base sessions. by means of adapting those thoughts, you'll write extra "reasonable" code, and construct effective and reusable verification components.
Both a studying device and a reference, this instruction manual comprises hundreds of thousands of real-world code snippets and 3 specialist verification-system examples. you could replica and paste from those examples, that are all in response to an open-source, vendor-neutral framework (with code freely on hand at www.trusster.com).
Learn approximately OOP recommendations akin to these:
- Creating classes—code interfaces, manufacturing facility services, reuse
- Connecting classes—pointers, inheritance, channels
- Using "correct via construction"—strong typing, base classes
- Packaging it up—singletons, static equipment, packages
This guide publications the consumer in making use of OOP suggestions for verification. Mike and Robert have captured their years of expertise in a transparent and easy-to-read guide. The examples are entire, and the code is accessible that you should start at once. hugely recommended.
Thomas D. Tessier, President, t2design, Inc.
This guide incorporates a lot of worthwhile suggestion for any verification engineer desirous to create a class-based testbench, whatever the framework/methodology used. i like to recommend Verification with SystemVerilog to a person who wishes a better figuring out of the way most sensible to take advantage of OOP with SystemVerilog.
Dr. David lengthy, Senior advisor, Doulos
This is a good looking booklet that not just exhibits tips to use SystemVerilog and Object-Oriented Programming for verification, but additionally offers useful examples which are open source!
Stephanie Waters, box purposes Engineer, Cadence layout Systems
I were utilizing SystemVerilog for 2 years in my learn, and this is often through a ways the easiest ebook i've got chanced on approximately the way to in achieving expert grade verification. i'll practice those options on my destiny projects.
Dr. Oswaldo Cadenas, Lecturer, digital Engineering, college of examining, U.K.
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Extra resources for Hardware Verification with System VERILOG: An Object-Oriented Framework
A n O b j e c t - O r ie nt e d F r a m e w o r k 33 C h a p t e r 3 : O O P a n d S y s t e m Ve r i l o g Access control is needed to help separate the user or code interface from both the internal methods and the data needed to implement the class. ” These are the interesting methods and variables to look at when you want to use a new class. When you implement a class, on the other hand, you also need a space to store the “state” of your class between method calls. This is done in local or protected scope.
The DMA generator is then responsible for building, or instantiating, DMA descriptors and “pushing” them to the chip and to the checker. 32 H a r d w ar e Ve r if ic at i o n w i t h S y s t e m Ve r i l o g O O P a n d S y s t e m Ve r i l o g The following code describes the DMA descriptor class: class descriptor; //Constructor extern function new (int src, int dest, int length, int status); //Code (or Public) Interface: extern virtual function void print(); int source_address_; //public as an example!
In this example, we verify a DMA chip that accepts DMA descriptors, puts them into an on-chip memory array, and then executes them. Each descriptor has a source and destination memory address, as well as the number of bytes (called “length”) to transfer. In the verification environment, a DMA descriptor could be represented by a small class. The DMA generator is then responsible for building, or instantiating, DMA descriptors and “pushing” them to the chip and to the checker. 32 H a r d w ar e Ve r if ic at i o n w i t h S y s t e m Ve r i l o g O O P a n d S y s t e m Ve r i l o g The following code describes the DMA descriptor class: class descriptor; //Constructor extern function new (int src, int dest, int length, int status); //Code (or Public) Interface: extern virtual function void print(); int source_address_; //public as an example!