ghdl ☆
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Description:
VHDL 2008/93/87 simulator
Type: Cask  |  Latest Version: 5.1.1@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: vhdl simulation hardware fpga eda
Install: brew install --cask ghdl
About:
GHDL is an open-source VHDL simulator that compiles VHDL code into a binary executable. It supports the VHDL 2008, 93, and 87 standards, allowing for rigorous static analysis and simulation of digital designs. Its primary value lies in its integration with standard build tools and CI/CD pipelines for automated testing of hardware designs.
Key Features:
  • Compiles VHDL to machine code for fast simulation
  • Supports VHDL 2008, 93, and 87 standards
  • Integration with GTKWave for waveform viewing
  • Supports multiple backends (LLVM, GCC, mcode)
Use Cases:
  • Unit testing and regression testing of VHDL designs
  • Pre-synthesis functional verification of digital logic
  • Automated CI/CD pipelines for hardware development
Alternatives:
  • ModelSim/Questa – Commercial simulator with GUI and advanced debugging, but requires a paid license
  • Icarus Verilog – Open-source simulator, but targets Verilog/SystemVerilog rather than VHDL
Version History
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