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