Generate .rcf Template

You tell the software to generate templates in the efx_pnr_settings.ini file. Because routing constraints are used with logic constraints, you enable templates for both.

  1. If you do not already have one, create a text file named efx_pnr_settings.ini and save it in your project directory.
  2. Add the following lines to the .ini file:
    dump_placeloc = on
generate_rcf_template = on

When you compile your design, the software generates the <project>.out.placeloc and <project>.rcf.template files.

Important: Do not generate these templates until you are ready to lock down the routing.