From 91b0dbbaa20f57ef73856ef743db9cf4e5c9099c Mon Sep 17 00:00:00 2001 From: tangxifan Date: Tue, 17 Nov 2020 14:33:12 -0700 Subject: [PATCH 1/2] [Script] Add example openfpga shell run script when using global tile clocks --- .../global_tile_clock_example_script.openfpga | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga diff --git a/openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga b/openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga new file mode 100644 index 000000000..597014117 --- /dev/null +++ b/openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga @@ -0,0 +1,76 @@ +# Run VPR for the 'and' design +# When the global clock is defined as a port of a tile, clock routing in VPR should be skipped +# This is due to the Fc_in of clock port is set to 0 for global wiring +#--write_rr_graph example_rr_graph.xml +vpr ${VPR_ARCH_FILE} ${VPR_TESTBENCH_BLIF} + +# 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.xml --format xml + +# 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 --include_signal_init --support_icarus_simulator --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_verilog_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} --print_top_testbench --print_preconfig_top_testbench --print_simulation_ini ./SimulationDeck/simulation_deck.ini --explicit_port_mapping + +# Write the SDC files for PnR backend +# - Turn on every options here +write_pnr_sdc --file ./SDC + +# Write SDC to disable timing for configure ports +write_sdc_disable_timing_configure_ports --file ./SDC/disable_configure_ports.sdc + +# Write the SDC to run timing analysis for a mapped FPGA fabric +write_analysis_sdc --file ./SDC_analysis + +# Finish and exit OpenFPGA +exit + +# Note : +# To run verification at the end of the flow maintain source in ./SRC directory From 845436fa71ddf610c89a7cc0bacd3c53d4649e36 Mon Sep 17 00:00:00 2001 From: tangxifan Date: Tue, 17 Nov 2020 14:34:54 -0700 Subject: [PATCH 2/2] [Test] Add sequential benchmark for global tile clock test case --- .../global_tile_ports/global_tile_clock/config/task.conf | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/openfpga_flow/tasks/basic_tests/global_tile_ports/global_tile_clock/config/task.conf b/openfpga_flow/tasks/basic_tests/global_tile_ports/global_tile_clock/config/task.conf index 55f5a13d0..6267eda37 100644 --- a/openfpga_flow/tasks/basic_tests/global_tile_ports/global_tile_clock/config/task.conf +++ b/openfpga_flow/tasks/basic_tests/global_tile_ports/global_tile_clock/config/task.conf @@ -16,7 +16,7 @@ timeout_each_job = 20*60 fpga_flow=yosys_vpr [OpenFPGA_SHELL] -openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/OpenFPGAShellScripts/configuration_chain_example_script.openfpga +openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga openfpga_arch_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_arch/k4_N4_40nm_GlobalTileClk_cc_openfpga.xml openfpga_sim_setting_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_simulation_settings/auto_sim_openfpga.xml @@ -25,10 +25,14 @@ arch0=${PATH:OPENFPGA_PATH}/openfpga_flow/vpr_arch/k4_N4_tileable_GlobalTileClk_ [BENCHMARKS] bench0=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2/and2.v +bench1=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2_latch/and2_latch.v [SYNTHESIS_PARAM] bench0_top = and2 bench0_chan_width = 300 +bench1_top = and2_latch +bench1_chan_width = 300 + [SCRIPT_PARAM_MIN_ROUTE_CHAN_WIDTH] end_flow_with_test=