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Tuesday, September 15 • 3:30pm - 4:00pm
Microwatt and GHDL - An Open Hardware CPU written in VHDL, Synthesized with Open Source Tools - Anton Blanchard, IBM & Tristan Gingold, CERN

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Microwatt is a 64 bit POWER OpenISA soft processor, written in VHDL. Over time it has grown from supporting Micropython, to Zephyr and most recently Linux.

From its original inception, Microwatt has relied heavily on GHDL, the Open Source VHDL simulator. GHDL has very recently added synthesis support and together with Yosys and Nextpnr allows for a completely open source toolchain for FPGAs.

This presentation will give an overview of the Microwatt core. It will also include an overview of GHDL and how it can be used for both simulation and synthesis of a medium complexity VHDL project.

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avatar for Anton Blanchard

Anton Blanchard

Distinguished Engineer, IBM
Anton has been involved with Linux and Open Source Software for over 20 years, much of that time with IBM. He leads a worldwide team dedicated to using Open Source technologies to build better products. In mid 2019he got the Open Hardware bug as a result of IBM's opening up of the... Read More →
avatar for Tristan Gingold

Tristan Gingold

Hardware Engineer, CERN
Tristan Gingold has developed GHDL, the main open-source VHDL simulator, for about 20 years. He is currently working at CERN in the hardware and timing section.

Tuesday September 15, 2020 3:30pm - 4:00pm CDT
Track 1
  Cores  Silicon Dev
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