Posts

Data Types In System Verilog

Image
SystemVerilog provides several data types to facilitate hardware design and verification. These data types can be classified into several categories, including scalar types, composite types, and user-defined types. Here's an overview of the main data types in SystemVerilog: 1. Scalar Types :- bit : A single binary digit, representing '0' or '1'. logic : A 4-state data type, representing '0', '1', 'x' (unknown), or 'z' (high-impedance). byte : An 8-bit scalar data type. 2. Integer Types :-  int : A signed 32-bit integer. shortint : A signed 16-bit integer. longint : A signed 64-bit integer. byte : An unsigned 8-bit integer. shortint : An unsigned 16-bit integer. longint : An unsigned 64-bit integer. 3. Floating-Point Types :-  real : A 32-bit IEEE 754 single-precision floating-point number. realtime : Similar to the real...
Post a Comment
Read more

Basic Details Of Debugging In IP/SOC verification

Image
Before start writing in debugging first I will explain design verification in brief. Please find below. What is verification ? ·       Verification is the process of ensuring that given hardware work as expected. ·       Around 70% of the overall design time and cost is spent on verification and validation ·       It becomes very important to verify the correctness of the circuits consisting of millions of transistors. ·       Finding functional defects in the design process at early stage will help save the cost. ·       In short I can say verification is all about think out of the box. ·         ·       Verification is all about planning, Strategy, and approach. ·       all you need strong verification plan & these are just platforms where you execute this plan. ·       what matter in the end is how confident...
Post a Comment
Read more

What is debugging in Design Verification?

Image
Debugging in the design verification field refers to the process of identifying and correcting errors (bugs) in a design. Debugging is a critical part of the verification process as it helps to ensure that the design meets the specifications and performs as intended.   An easy way to do debugging is by using a systematic approach. Start by examining the failing test case to determine the behavior that is causing the failure. Then, try to reproduce the issue in a simpler test case, which can be easier to debug. Use debugging tools such as waveform viewers or debuggers to analyze the behavior of the design during the test.   There are several smarter ways to do debugging for verification tests and bugs:   1. Automated Debugging: Automated debugging tools use machine learning and artificial intelligence algorithms to analyze test results and identify the root cause of failures. This can significantly reduce the time and effort required for debugging.   ...
Post a Comment
Read more