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Migen (Milkymist Generator) Migen (Milkymist Generator)
a Python toolbox for building complex digital hardware a Python toolbox for building complex digital hardware
Migen aims at automating further the VLSI design process. Migen makes it Despite being faster than schematics entry, hardware design with Verilog and
possible to apply modern software concepts such as object-oriented VHDL remains tedious and inefficient for several reasons. The event-driven
programming and metaprogramming to design hardware. This results in more model introduces issues and manual coding that are unnecessary for synchronous
elegant and easily maintained designs and reduces the incidence of human circuits, which represent the lion's share of today's logic designs. Counter-
errors. Built on these principles, it also provides tools to build intuitive arithmetic rules result in steeper learning curves and provide a
synchronous designs more productively, integrate system-on-chips, design fertile ground for subtle bugs in designs. Finally, support for procedural
dataflow systems, and more. Migen will become the foundation for the generation of logic (metaprogramming) through "generate" statements is very
next-generation Milkymist SoC. limited and restricts the ways code can be made generic, reused and organized.
To address those issues, we have developed the Migen FHDL library that
replaces the event-driven paradigm with the notions of combinatorial and
synchronous statements, has arithmetic rules that make integers always behave
like mathematical integers, and most importantly allows the design's logic to
be constructed by a Python program. This last point enables hardware designers
to take advantage of the richness of the Python language - object oriented
programming, function parameters, generators, operator overloading, libraries,
etc. - to build well organized, reusable and elegant designs.
Other Migen libraries are built on FHDL and provide various tools such as a
system-on-chip interconnect infrastructure, a dataflow programming system, a
more traditional high-level synthesizer that compiles Python routines into
state machines with datapaths, and a simulator that allows test benches to be
written in Python.
Migen is the foundation of the next-generation Milkymist SoC.
See the doc/ folder for a more complete description. See the doc/ folder for a more complete description.
Code repository: Code repository:
https://github.com/milkymist/migen https://github.com/milkymist/migen
Experimental version of the Milkymist SoC based on Migen: New Milkymist SoC based on Migen:
https://github.com/milkymist/milkymist-ng https://github.com/milkymist/milkymist-ng
Migen is designed for Python 3.2. Migen is designed for Python 3.
Send questions, comments and patches to devel [AT] lists.milkymist.org Send questions, comments and patches to devel [AT] lists.milkymist.org
There is a lot of room for improvement in many areas, contributions welcome.
We are also on IRC: #milkymist on the Freenode network. We are also on IRC: #milkymist on the Freenode network.
See LICENSE file for copyright and license info. See LICENSE file for copyright and license info.