diff options
Diffstat (limited to 'techlibs/ice40')
| -rw-r--r-- | techlibs/ice40/synth_ice40.cc | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index f900453e8..f77ea7f80 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -89,13 +89,16 @@ struct SynthIce40Pass : public ScriptPass log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" (this feature is experimental and incomplete)\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"); help_script(); log("\n"); } - string top_opt, blif_file, edif_file, json_file; + string top_opt, blif_file, edif_file, json_file, abc; bool nocarry, nodffe, nobram, flatten, retime, relut, noabc, abc2, vpr; int min_ce_use; @@ -115,6 +118,7 @@ struct SynthIce40Pass : public ScriptPass noabc = false; abc2 = false; vpr = false; + abc = "abc"; } void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE @@ -193,6 +197,10 @@ struct SynthIce40Pass : public ScriptPass vpr = true; continue; } + if (args[argidx] == "-abc9") { + abc = "abc9"; + continue; + } break; } extra_args(args, argidx, design); @@ -249,7 +257,7 @@ struct SynthIce40Pass : public ScriptPass else run("techmap -map +/techmap.v -map +/ice40/arith_map.v"); if (retime || help_mode) - run("abc -dff", "(only if -retime)"); + run(abc + " -dff", "(only if -retime)"); run("ice40_opt"); } @@ -273,7 +281,7 @@ struct SynthIce40Pass : public ScriptPass if (check_label("map_luts")) { if (abc2 || help_mode) { - run("abc", " (only if -abc2)"); + run(abc, " (only if -abc2)"); run("ice40_opt", "(only if -abc2)"); } run("techmap -map +/ice40/latches_map.v"); @@ -282,7 +290,7 @@ struct SynthIce40Pass : public ScriptPass run("techmap -map +/gate2lut.v -D LUT_WIDTH=4", "(only if -noabc)"); } if (!noabc) { - run("abc -lut 4", "(skip if -noabc)"); + run(abc + " -lut 4", "(skip if -noabc)"); } run("clean"); if (relut || help_mode) { |