Introduce verilog -> cocotb simulation fud2 path
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* Sketch an example fud2 op * Fix typo --------- Co-authored-by: Adrian Sampson <adrian@radbox.org>
Testing locally on vec add, the hard-coded cocotb tests pass, meaning there is parity with the previous bash scripts
Makefile expects a DATA_PATH and VERILOG_SOURCE
cocotb expects datapath and relatviepath to be relative to the actual Makefile, not from the invocation
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Introduces a path accepting
.vfiles, presumably axi-wrapped via afud2 foo.futil --through axi-wrappedand outputting the final contents of AXI rams simulated viacocotb.Invocation currently has to be manually specified due to the behavior of
guess_stateAn invocation looks like
fud2 <path to axi wrapped verilog> --from verilog-noverify --to cocotb-axi --set sim.data=<path to .data/json file>This PR also introduces some
cocotbpython runners that largely looks like the xilinx cocotb harness. Those will hopefully be removed once we get the wrapper to properly interface with XRT.