Open-source simulator for the VHDL language. More information: https://ghdl.github.io/ghdl/.
ghdl -a {{filename.vhdl}}
design is the name of a configuration unit, entity unit or architecture unit):ghdl -e {{design}}
ghdl -r {{design}}
ghdl -r {{design}} --wave={{output.ghw}}
ghdl -s {{filename.vhdl}}
ghdl --help