| yosys -import |
| plugin -i xdc |
| plugin -i sdc |
| # Import the commands from the plugins to the tcl interpreter |
| yosys -import |
| |
| read_verilog base_litex.v |
| read_verilog VexRiscv_Linux.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 |
| |
| write_json $::env(OUT_JSON) |
| return |
| #Read the design timing constraints |
| read_sdc $::env(INPUT_SDC_FILE) |
| |
| #Read the design constraints |
| read_xdc -part_json $::env(PART_JSON) $::env(INPUT_XDC_FILE) |
| |
| # Map Xilinx tech library to 7-series VPR tech library. |
| read_verilog -lib ../techmaps/cells_sim.v |
| techmap -map ../techmaps/cells_map.v |
| |
| # opt_expr -undriven makes sure all nets are driven, if only by the $undef |
| # net. |
| opt_expr -undriven |
| opt_clean |
| |
| setundef -zero -params |
| stat |
| |
| # Write the design in JSON format. |
| write_json $::env(OUT_JSON) |
| write_blif -attr -param -cname -conn $::env(OUT_EBLIF) |
