diff options
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 805ae8e6e..9178182fb 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -80,6 +80,9 @@ struct SynthXilinxPass : public Pass log(" -retime\n"); log(" run 'abc' with -dff option\n"); log("\n"); + log(" -abc9\n"); + log(" use abc9 instead of abc\n"); + log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); log("\n"); @@ -142,6 +145,7 @@ struct SynthXilinxPass : public Pass std::string edif_file; std::string blif_file; std::string run_from, run_to; + std::string abc = "abc"; bool flatten = false; bool retime = false; bool vpr = false; @@ -191,6 +195,10 @@ struct SynthXilinxPass : public Pass nodram = true; continue; } + if (args[argidx] == "-abc9") { + abc = "abc9"; + continue; + } break; } extra_args(args, argidx, design); @@ -256,28 +264,32 @@ struct SynthXilinxPass : public Pass Pass::call(design, "opt -full"); if (vpr) { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v -D _EXPLICIT_CARRY"); + Pass::call(design, "techmap -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); } else { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v"); + Pass::call(design, "techmap -map +/xilinx/arith_map.v"); } Pass::call(design, "hierarchy -check"); Pass::call(design, "opt -fast"); } - if (check_label(active, run_from, run_to, "map_luts")) + if (check_label(active, run_from, run_to, "map_cells")) { - Pass::call(design, "abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); + Pass::call(design, "techmap -map +/xilinx/cells_map.v"); Pass::call(design, "clean"); - Pass::call(design, "techmap -map +/xilinx/lut_map.v"); } - if (check_label(active, run_from, run_to, "map_cells")) + if (check_label(active, run_from, run_to, "map_luts")) { - Pass::call(design, "techmap -map +/xilinx/cells_map.v"); + Pass::call(design, "techmap -map +/techmap.v"); + if (abc == "abc9") + Pass::call(design, abc + " -lut +/xilinx/cells.lut -box +/xilinx/cells.box" + string(retime ? " -dff" : "")); + else + Pass::call(design, abc + " -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); + Pass::call(design, "clean"); + Pass::call(design, "techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v"); Pass::call(design, "dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT"); - Pass::call(design, "clean"); } if (check_label(active, run_from, run_to, "check")) |