64 lines
2.6 KiB
Plaintext
64 lines
2.6 KiB
Plaintext
# Run VPR for the 'and' design
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# When the global clock is defined as a port of a tile, clock routing in VPR should be skipped
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# This is due to the Fc_in of clock port is set to 0 for global wiring
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# The constant net such as logic '0' and logic '1' must be routed because current architecture cannot produce them locally
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# Enable block usage in log file, otherwise QoR check in OpenFPGA flow-run will fail
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vpr ${VPR_ARCH_FILE} ${VPR_TESTBENCH_BLIF} --route_chan_width ${VPR_ROUTE_CHAN_WIDTH} --constant_net_method route --skip_sync_clustering_and_routing_results on --write_block_usage ${OPENFPGA_VPR_PACK_STATS_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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# Note: no need to assign activity file when you used a fixed number
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# of clock cycles in simulation settings
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# Also, ACE2 does not support multiple clocks
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# Therefore, activity file is not recommended for multi-clock fabric/implementations
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link_openfpga_arch --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 clustering nets based on routing results
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pb_pin_fixup #--verbose
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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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# - Enabled frame view creation to save runtime and memory
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# Note that this is turned on when bitstream generation
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# is the ONLY purpose of the flow!!!
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build_fabric --compress_routing --frame_view #--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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# # Skipped becasue it takes long time to run for bigger fabric
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# --write_file fabric_independent_bitstream.xml
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build_architecture_bitstream --verbose
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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.xml --format xml
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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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