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Docker Container as Verilator executable

This allows you to run Verilator easily as a docker image, e.g.:

docker run -ti verilator/verilator:latest --version

This is in particular useful to compare against older version or to check when an issue was introduced.

You will need to give it access to your files as a volume and fix the user rights:

docker run -ti -v ${PWD}:/work --user $(id -u):$(id -g) verilator/verilator:latest --cc test.v

The caveat is that it can only access files below the current directory then, a workaround is to adopt the volume and set -workdir.

There is a convenience script in this folder that wraps around the docker calls:

$ verilator-docker 3.922 --version
Verilator 3.922 2018-03-17 rev UNKNOWN_REV

Finally, you can also work in the container by setting the entrypoint (don’t forget to mount a volume if you want your work persistent):

docker run -ti --entrypoint /bin/bash verilator/verilator:latest

The other files in this folder all for building the containers and to store in them. You could use it to build Verilator at a specific commit:

docker build --build-arg SOURCE_COMMIT=<commit> .


The Dockerfile is pretty straight-forward, it builds Verilator and removes the tree after that to reduce the image size. It sets a wrapper script ( as entrypoint. This script calls Verilator but also copies the verilated runtime files to the obj_dir or the -Mdir respectively. This allows the user to build the C++ output with the matching runtime files. The wrapper patches the generated Makefile accordingly.

There is also a hook defined that is run by docker hub via automated builds.

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