diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/sf2/synth_sf2.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/techlibs/sf2/synth_sf2.cc b/techlibs/sf2/synth_sf2.cc index f78b4f012..fcc0a5e23 100644 --- a/techlibs/sf2/synth_sf2.cc +++ b/techlibs/sf2/synth_sf2.cc @@ -66,6 +66,9 @@ struct SynthSf2Pass : public ScriptPass log(" -clkbuf\n"); log(" insert direct PAD->global_net buffers\n"); log("\n"); + log(" -discard-ffinit\n"); + log(" discard FF init value instead of emitting an error\n"); + log("\n"); log(" -retime\n"); log(" run 'abc' with '-dff -D 1' options\n"); log("\n"); @@ -76,7 +79,7 @@ struct SynthSf2Pass : public ScriptPass } string top_opt, edif_file, vlog_file, json_file; - bool flatten, retime, iobs, clkbuf; + bool flatten, retime, iobs, clkbuf, discard_ffinit; void clear_flags() override { @@ -88,6 +91,7 @@ struct SynthSf2Pass : public ScriptPass retime = false; iobs = true; clkbuf = false; + discard_ffinit = false; } void execute(std::vector<std::string> args, RTLIL::Design *design) override @@ -138,6 +142,10 @@ struct SynthSf2Pass : public ScriptPass clkbuf = true; continue; } + if (args[argidx] == "-discard-ffinit") { + discard_ffinit = true; + continue; + } break; } extra_args(args, argidx, design); @@ -171,6 +179,8 @@ struct SynthSf2Pass : public ScriptPass if (check_label("coarse")) { + if (discard_ffinit || help_mode) + run("attrmap -remove init", "(only if -discard-ffinit)"); run("synth -run coarse"); } |