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0a8a848a72
* generic: Fix Python path not including the examples/ directory in the example
It seems that at some point, the embedded Python stopped including the
directory that nextpnr-generic was executed in inside of its sys.path.
This likely happened by de3d5be8 specifying an explicit argv to
the interpreter init function.
* generic: Improve the example for K != 4
Configuring K < 4 used to result in "dangling" inputs to the cells being
generated (those are just not driven by anything in the resulting Verilog/JSON).
Configuring K > 4 used to result in an assertion crash in cells.cc.
The ctx.setLutK call fixes both cases.
10 lines
524 B
Bash
Executable File
10 lines
524 B
Bash
Executable File
#!/usr/bin/env bash
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set -ex
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export PYTHONPATH=$(dirname $0)
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K=$(python3 -c "import simple_config; print(simple_config.K)")
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yosys -p "tcl ../synth/synth_generic.tcl $K blinky.json" blinky.v
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${NEXTPNR:-../../nextpnr-generic} --no-iobs --pre-pack simple.py --pre-place simple_timing.py --json blinky.json --post-route bitstream.py --write pnrblinky.json
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yosys -p "read_json pnrblinky.json; write_verilog -noattr -norename pnrblinky.v"
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iverilog -o blinky_simtest ../synth/prims.v blinky_tb.v pnrblinky.v
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vvp -N ./blinky_simtest
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