diff options
Diffstat (limited to 'techlibs/sf2/synth_sf2.cc')
| -rw-r--r-- | techlibs/sf2/synth_sf2.cc | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/techlibs/sf2/synth_sf2.cc b/techlibs/sf2/synth_sf2.cc index 8d78a6097..bf4a6e031 100644 --- a/techlibs/sf2/synth_sf2.cc +++ b/techlibs/sf2/synth_sf2.cc @@ -45,8 +45,8 @@ struct SynthSf2Pass : public ScriptPass log(" is omitted if this parameter is not specified.\n"); log("\n"); log(" -vlog <file>\n"); - log(" write the design to the specified Verilog file. writing of an output file\n"); - log(" is omitted if this parameter is not specified.\n"); + log(" write the design to the specified Verilog file. writing of an output\n"); + log(" file is omitted if this parameter is not specified.\n"); log("\n"); log(" -json <file>\n"); log(" write the design to the specified JSON file. writing of an output file\n"); @@ -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"); } @@ -218,9 +228,9 @@ struct SynthSf2Pass : public ScriptPass } else { run("clkbufmap -buf CLKINT Y:A"); } - run("iopadmap -bits -inpad INBUF Y:PAD -outpad OUTBUF D:PAD -toutpad TRIBUFF E:D:PAD -tinoutpad BIBUF E:Y:D:PAD", "(unless -noiobs"); + run("iopadmap -bits -inpad INBUF Y:PAD -outpad OUTBUF D:PAD -toutpad TRIBUFF E:D:PAD -tinoutpad BIBUF E:Y:D:PAD", "(unless -noiobs)"); } - run("clean"); + run("clean -purge"); } if (check_label("check")) |