![]() A traditional Verilog or VHDL test bench might contain processes to read raw vectors or commands from a file, use those to change the values of the wires connected to the DUT over time, and perhaps collect output from the DUT and dump it to another file. Simulation might be caricatured as the process of poking test vectors into a model of the design-under-test and observing how that model behaves. If you are already familiar with these topics, you can jump straight to the next tutorial. ![]() This tutorial outlines the basics of constrained random, coverage-driven verification. UVM testbenches are complete verification environments composed of reusable verification components, and used as part of an overarching methodology of constrained random, coverage-driven, verification. But UVM testbenches are more than traditional HDL testbenches, which might wiggle a few pins on the design-under-test (DUT) and rely on the designer to inspect a waveform diagram to verify correct operation. If you currently run RTL simulations in Verilog or VHDL, you can think of UVM as replacing whatever framework and coding style you use for your testbenches. UVM is explicitly simulation-oriented, but UVM can also be used alongside assertion-based verification, hardware acceleration or emulation. This could be behavioral, register transfer level, or gate level. The hardware or system to be verified would typically be described using Verilog, SystemVerilog, VHDL or SystemC at any appropriate abstraction level. UVM is a methodology for the functional verification of digital hardware, primarily using simulation. The roots of these methodologies lie in the application of the languages IEEE 1800™ SystemVerilog, IEEE 1666™ SystemC, and IEEE 1647™ e. UVM was created by Accellera based on the OVM (Open Verification Methodology) version 2.1.1. ![]() The letters UVM stand for the Universal Verification Methodology. UVM is a methodology for functional verification using SystemVerilog, complete with a supporting library of SystemVerilog code. Please let us know if you find any inconsistencies! Introduction ![]() True to the spirit of UVM, this tutorial was created by taking an existing tutorial on OVM and replacing the letter "OVM" with "UVM" throughout. Legal issues, Trademarks and Acknowledgements.Everything You Need to Know about SystemVerilog Arrays.Accelerate Both Your FPGA Application and Productivity.An Introduction to IoT Security Standards. ![]()
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