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======================
Coriolis Open EDA Tool
======================
Coriolis is a free database, placement and routing tool for VLSI design.
This project is hosted at: https://github.com/lip6/coriolis
Main documentation is available at: https://coriolis.lip6.fr/
Development discussion can be found `on our Matrix Channel <https://matrix.to/#/#coriolis:matrix.org>`_ and in our `GitHub Discussions <https://github.com/lip6/coriolis/discussions>`_.
Coriolis is part of a set of three repositories that are closely relateds.
* Alliance
A venerable EDA toolchain, working only on symbolic layout. Some of it's
checking tools (LVS, DRC) are used for the regression tests in Alliance Check Toolkit.
https://github.com/lip6/alliance
* Alliance Check Toolkit
A wide set of examples of designs and scripts to use by Coriolis.
https://github.com/lip6/alliance-check-toolkit
Purpose
=======
Coriolis provides several tools to perform the layout of VLSI circuits. Its
main components are the Hurricane database, the Etesian placer and the Katana
router, but other tools can use the Hurricane database and the parsers
provided.
Coriolus can be used via both the ```cgt`` graphical tool <http://coriolis.lip6.fr/pages/users-guide.html#id24>`_ and via the `rich Python API <http://coriolis.lip6.fr/pages/python-tutorial.html>`_.
Installation
============
Python 3.7 or later is required to use Coliolis. It can then be installed from `Pypi <https://pypi.org/>`_.
.. code-block:: bash
pip3 install coriolis-eda
Note for Windows, we currently only support running under WSL2.
=================
Building Coriolis
=================
Most folk will only need to install using pip, but if you want to develop or need to build from scratch, read on!
Ubuntu/Windows WSL2 Build Environment
=====================================
If you haven't already got them, install `build-essential` and `git`
.. code-block:: bash
sudo apt install build-essential git ccache
Clone the repo:
.. code-block:: bash
git clone --recurse-submodules https://github.com/lip6/coriolis
cd coriolis
Install the build dependencies:
.. code-block:: bash
sudo apt install python3 python3-pip python3.10-venv \
doxygen pelican texlive-latex-recommended \
bison flex \
qtbase5-dev libqt5svg5-dev libqwt-qt5-dev libbz2-dev \
rapidjson-dev libboost-all-dev libeigen3-dev libxml2-dev
Mac OSX Build Environment
=========================
To build on Mac, first install _Homebrew: https://brew.sh. Be sure to follow all the instructions it gives after install so HOMEBREW_PREFIX gets set!
Clone the repo:
.. code-block:: bash
git clone --recurse-submodules https://github.com/lip6/coriolis
cd coriolis
To install the prereqisites:
.. code-block:: bash
brew install ccache doxygen pelican qt@5 qwt-qt5 rapidjson boost eigen
brew install --cask mactex
We need to set some environment variables for finding the cask only components. We use dotenv to set these in the PDM venv (see below)
.. code-block:: bash
pip install python-dotenv
dotenv set CMAKE_FRAMEWORK_PATH "$HOMEBREW_PREFIX/opt/qt@5/lib/cmake/"
dotenv set PKG_CONFIG_PATH "$HOMEBREW_PREFIX/opt/qt@5/lib/pkgconfig:$HOMEBREW_PREFIX/opt/qwt-qt5/lib/pkgconfig"
Building Coriolis
=================
To build Python wheels, you'll need the `build` package if you don't already have it installed:
.. code-block:: bash
pip3 install build
.. code-block:: bash
python3 -m build -w
The wheels can be found in dist and installed using pip:
.. code-block:: bash
pip3 install dist/*.whl
Development environment
=======================
For day-to-day development, its currently best to use meson and ninja directly. Currently there are `issues with using a Python editable install`_.
We use PDM_ to manage our development environment, which uses Python's venv_ system.
.. code-block:: bash
pip install pdm
Before starting, you'll likely want to install the `shell completion`_ and read about `using pdm with virtual environments`_. The basics are very simple, you just use pdm to run the build commands in an environment it automatially handles.
First we set up our pdm virtual environment:
.. code-block:: bash
pdm install --no-self -d --plugins
Below we are just using a local directory call builddir for our meson_ build directory, but you can put it wherever you like.
.. code-block:: bash
pdm run meson setup builddir
pdm run ninja -C builddir install
You can then use `pdm run` to run any programs or scripts dependant on Coriolis, for example:
.. code-block:: bash
pdm run unittests/python/test_hurricane.py
You can also install locally using:
.. code-block:: bash
pdm run meson setup builddir -Dpython.install_env=system
pdm run ninja -C builddir install
For more configuration and install options, see:
.. code-block:: bash
pdm run meson configure
.. _issues with using a Python editable install: https://github.com/lip6/coriolis/issues/67
.. _venv: https://www.dataquest.io/blog/a-complete-guide-to-python-virtual-environments/#how-to-use-python-environments
.. _shell completion: https://pdm.fming.dev/latest/#shell-completion
.. _using pdm with virtual environments: https://pdm.fming.dev/latest/usage/venv/
Other operating systems
=======================
Coriolis is currently tested on CentOS 7 (via manylinux 2014), latest Ubuntu and on MacOSX.
We welcome patches for other operating systems, though please add appropriate CI!
You'll need the following prerequisites:
* A C++11 compliant compiler.
* Python 3.9 or later
* Pip
* ninja.
* bzip2
* boost
* bison & flex.
* Qt 5 & Qt 5 Svg.
* Qwt
* libxml2.
* RapidJSON, http://rapidjson.org/ .
* Eigen 3, http://eigen.tuxfamily.org .
* doxygen
* pelican
* latex
Documentation
=============
The full documentation for Coriolis can be found at http://coriolis.lip6.fr/pages/documentation.html
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