VERILOG034: Forbidden system tasks and functions should not be used

Summary

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Reliability	Security	Maintainability	Code attribute	Effort to fix	Tags
MEDIUM	-	-	Intentionality | Logical	5min	synthesis, vscode, lowrisc, simulation, linter

Description

The following tasks and functions should not be used:

• $psprintf: Use $sformatf instead.
• $random and $dist_xxx: Use $urandom or a randomization macro instead.
• $srandom: Use process::self().srandom() instead.

Articles & blog posts

• lowRISC SystemVerilog Coding Style Guide for Design Verification - SystemVerilog Language Features - Forbidden System Tasks and Functions

Parameters

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