code: def cli(ctx, board, fpga, pack, type, size, project_dir,
          verbose, verbose_yosys, verbose_arachne):
      
  
      # Run scons
      exit_code = SCons(project_dir).time({
          'board': board,
          'fpga': fpga,
          'size': size,
          'type': type,
          'pack': pack,
          'verbose': {
              'all': verbose,
              'yosys': verbose_yosys,
              'arachne': verbose_arachne
          }
      })
      ctx.exit(exit_code)
docs: Bitstream timing analysis.