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[doc] new option to write_fabric_verilog

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tangxifan 2024-07-08 21:06:12 -07:00
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docs/source/manual/openfpga_shell/openfpga_commands/fpga_verilog_commands.rst
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@ -14,6 +14,14 @@ write_fabric_verilog
Specify the output directory for the Verilog netlists. For example, ``--file /temp/fabric_netlist/``
.. option:: --constant_undriven_inputs
.. note:: This option is automatically enabled when the option ``perimeter_cb`` of tileable routing resource graph is enabled (see details in :ref`addon_vpr_syntax`).
.. note:: Enable this option may shadow issues in your FPGA architecture, which causes them difficult to be found in design verification.
Use constant gnd for undriven wires in Verilog netlists. Recommand to enable when there are boundary routing tracks in FPGA fabric.
.. option:: --default_net_type <string>
Specify the default net type for the Verilog netlists. Currently, supported types are ``none`` and ``wire``. Default value: ``none``.