yodl

Yet anOther (hardware) Description Language

Quick links

• Documentation
• Playground

Installation

The JS build of Yodl can be installed from npm:

$ npm install --global yodl

To compile FIRRTL outputs to SystemVerilog, install firtool

Usage

$ yodl examples/Hello.yodl "write_firrtl Hello.fir"
$ firtool --format=fir --verilog Hello.fir -o Hello.sv

Development

Install Moonbit:

$ curl -fsSL https://cli.moonbitlang.com/install/unix.sh | bash -s '0.6.35+dd17327ed'

Checklist

• [x] FIRRTL export
• [x] Generic multi-port memories
• [x] Imports (TODO: unqualified imports)
• [x] Verilator + SDL graphics simulation example
• [x] Multi-dimensional vectors (uint<16>[4][8])
• [ ] Optional module parameters (and register initial value)
• [x] Arbitrary port types
• [x] Type parameters
• [x] External modules
• [ ] Source Maps
• [ ] Test Benches
• [X] FIRRTL to RTLIL backend to bypass SystemVerilog generation
• [ ] Language Server Protocol (LSP) support
• [ ] KiCad schematics export
• [x] Web tour/playground