Assertions using SystemVerilog (SVA) - Foundation course




Assertions using SystemVerilog (SVA) - Foundation course

What is SystemVerilog Assertion (SVA)?

SVA is an integral part of IEEE-1800 SystemVerilog languages focusing on the temporal aspects of specification, modeling and verification. SVA allows sophisticated, multi-cycle assertions and functional checks to be embedded in HDL code. SVA allows simple HDL boolean expressions to be built into complex definitions of design behavior, which can be used for assertions, functional coverage, debug and formal verification.

Overview

CVC’s ABV SystemVerilog course gives you an in-depth introduction to the language, together with guidelines and methodologies to help you create, manage and debug effective assertions for complex design properties. The course is packed full of examples and case studies to demonstrate real life applications of the language.

Objectives

  • To explain the advantages of Assertion Based Verification (ABV) using the System Verilog Assertions (SVA).

  • To describe in detail the boolean, temporal, verification layers of SVA and show how the layers are used to build assertions.

  • To demonstrate, with examples, good and bad SVA coding styles and show workarounds for simulators with language support issues.

Prerequisites

Delegates must be able to read, write and understand VHDL or Verilog code, and be familiar with running and debugging HDL simulations. This training assumes no prior knowledge of SVA.


Table of Contents

Session 1: Introduction

  • Introduction to Assertions & Assertion Based Verification (ABV)

  • Value of assertions in Chip design flow

Session 2: ABV flow

  • Where does assertion fit-in design flow?

  • Who writes assertions?

Session 3: SVA Basics

  • Introduction to SystemVerilog

  • Assertion vs. procedural code

  • Types of assertions

  • Immediate Assertions examples

Session 4: Layers in SVA - the Pyramid structure

  • SVA Layers

  • Boolean layer

  • Sequence layer

  • Property layer

  • Verification directives layer

  • Action blocks in SVA

Session 5: SVA for Functional Coverage, constraint modeling

  • Using cover properties

  • Real life scenarios on coverage modeling

  • Differentiate cover vs. assert

  • Using assume/constraints

Session 6: Bind construct in SVA 

  • Using external bind

  • Binding to instance/module

  • Binding to VHDL designs

Session 7: Sequences in SVA

  • Introduction to Temporal layer in SVA

  • Sequence delay operators, use models

  • Attempt vs thread terminology definitions

  • Multi-threaded sequences

Session 8: Sequence Repetition Operators

  • Real life scenarios on temporal behaviors

  • Consecutive repetition operator (seq [*])

  • Non-Consecutive repetition operator (signal [=])

  • GOTO repetition operator (seq [->])

  • Summary of repetition operators

Session 9: Property layer in SVA

  • Introduction to property..endproperty

  • Implication operator - overlapping (a |-> b)

  • Non-overlapping implication (a |=> b)

  • Concept of vacuity in SVA

  • Using disable..iff as abort condition

Session 10: System Functions in SVA

  • Value change functions: $rose, $fell, $stable

  • Vector analysis functions: $onehot/$countones etc.

  • Value access function: $past()

  • Guidelines on $rose() usage

  • Non-Consecutive repetition operator (

  • Non-Consecutive repetition operator (


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What you will learn
  • Introduction to Assertion Based Verification (ABV)
  • ABV flow
  • Introduction to SystemVerilog Assertions (SVA)

Rating: 3.95

Level: Beginner Level

Duration: 1.5 hours

Instructor: Srinivasan Venkataramanan


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