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by comex 1691 days ago
Some cores are open source and you can see for yourself.

Rename logic from BOOM, a RISC-V core written in a DSL embedded in Scala:

https://github.com/riscv-boom/riscv-boom/blob/1ef2bc6f6c98e5...

From RSD, a core designed for FPGAs written in SystemVerilog:

https://github.com/rsd-devel/rsd/blob/master/Processor/Src/R...

And then there's Alibaba's recently open-sourced XuanTie C910, which contains this Verilog… which is completely unreadable. Seems like it was produced by some kind of code generator that they didn't open-source?

https://github.com/T-head-Semi/openc910/blob/d4a3b947ec9bb8f...