What is “yosys” Package?

Framework for Verilog RTL synthesis
For more details: http://www.clifford.at/yosys/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install yosys.

  brew install yosys

Now, use yosys!