| yosys -import |
| plugin -i sdc |
| # Import the commands from the plugins to the tcl interpreter |
| yosys -import |
| |
| read_verilog pll.v |
| read_verilog -specify -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v |
| read_verilog -lib +/xilinx/cells_xtra.v |
| hierarchy -check -auto-top |
| |
| # Start flow after library reading |
| synth_xilinx -vpr -flatten -abc9 -nosrl -nodsp -iopad -run prepare:check |
| |
| # Read the design timing constraints |
| read_sdc $::env(INPUT_SDC_FILE) |
| |
| # Propagate the clocks |
| propagate_clocks |
| propagate_clocks |
| propagate_clocks |
| |
| # Write out the SDC file after the clock propagation step |
| write_sdc $::env(OUTPUT_SDC_FILE) |
