# Convert .pcf to a .place file that VPR can accept pcf2place --pcf ${OPENFPGA_PCF} --blif ${VPR_TESTBENCH_BLIF} --pin_table ${OPENFPGA_PIN_TABLE} --fpga_io_map ${OPENFPGA_IO_MAP_FILE} --fpga_fix_pins ${OPENFPGA_VPR_FIX_PINS_FILE} # Run VPR for the 'and' design #--write_rr_graph example_rr_graph.xml vpr ${VPR_ARCH_FILE} ${VPR_TESTBENCH_BLIF} --clock_modeling ideal --device ${OPENFPGA_VPR_DEVICE_LAYOUT} --route_chan_width ${OPENFPGA_VPR_ROUTE_CHAN_WIDTH} --fix_clusters ${OPENFPGA_VPR_FIX_PINS_FILE} --skip_sync_clustering_and_routing_results on # Read OpenFPGA architecture definition read_openfpga_arch -f ${OPENFPGA_ARCH_FILE} # Read OpenFPGA simulation settings read_openfpga_simulation_setting -f ${OPENFPGA_SIM_SETTING_FILE} # Annotate the OpenFPGA architecture to VPR data base # to debug use --verbose options link_openfpga_arch --activity_file ${ACTIVITY_FILE} --sort_gsb_chan_node_in_edges # Check and correct any naming conflicts in the BLIF netlist check_netlist_naming_conflict --fix --report ./netlist_renaming.xml # Apply fix-up to clustering nets based on routing results pb_pin_fixup --verbose # Apply fix-up to Look-Up Table truth tables based on packing results lut_truth_table_fixup # Build the module graph # - Enabled compression on routing architecture modules # - Enable pin duplication on grid modules build_fabric --compress_routing #--verbose # Write the fabric hierarchy of module graph to a file # This is used by hierarchical PnR flows write_fabric_hierarchy --file ./fabric_hierarchy.txt # Repack the netlist to physical pbs # This must be done before bitstream generator and testbench generation # Strongly recommend it is done after all the fix-up have been applied repack #--verbose # Build the bitstream # - Output the fabric-independent bitstream to a file build_architecture_bitstream --verbose --write_file fabric_independent_bitstream.xml # Build fabric-dependent bitstream build_fabric_bitstream --verbose # Write fabric-dependent bitstream write_fabric_bitstream --file fabric_bitstream.bit --format plain_text # Write the Verilog netlist for FPGA fabric # - Enable the use of explicit port mapping in Verilog netlist write_fabric_verilog --file ./SRC --explicit_port_mapping --include_timing --print_user_defined_template --verbose # Write the Verilog testbench for FPGA fabric # - We suggest the use of same output directory as fabric Verilog netlists # - Must specify the reference benchmark file if you want to output any testbenches # - Enable top-level testbench which is a full verification including programming circuit and core logic of FPGA # - Enable pre-configured top-level testbench which is a fast verification skipping programming phase # - Simulation ini file is optional and is needed only when you need to interface different HDL simulators using openfpga flow-run scripts write_full_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} --explicit_port_mapping --include_signal_init --bitstream fabric_bitstream.bit write_preconfigured_fabric_wrapper --embed_bitstream iverilog --file ./SRC --explicit_port_mapping write_preconfigured_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} --explicit_port_mapping # Write the SDC files for PnR backend # - Turn on every options here write_pnr_sdc --file ./SDC # Write SDC to disable timing for configure ports write_sdc_disable_timing_configure_ports --file ./SDC/disable_configure_ports.sdc # Write the SDC to run timing analysis for a mapped FPGA fabric write_analysis_sdc --file ./SDC_analysis # Finish and exit OpenFPGA exit # Note : # To run verification at the end of the flow maintain source in ./SRC directory