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Added lutram

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Lofty 2024-03-01 13:41:25 +01:00 • committed by Miodrag Milanovic
parent 5d898ab223
commit b0c4add642
7 changed files with 161 additions and 29 deletions
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41
techlibs/nanoxplore/synth_nanoxplore.cc
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@ -73,6 +73,18 @@ struct SynthNanoXplorePass : public ScriptPass
log(" -nocy\n");
log(" do not map adders to CY cells\n");
log("\n");
log(" -nolutram\n");
log(" do not use LUT RAM cells in output netlist\n");
log("\n");
log(" -nobram\n");
log(" do not use block RAM cells in output netlist\n");
log("\n");
log(" -nodsp\n");
log(" do not map multipliers to NX_DSP cells\n");
log("\n");
log(" -noiopad\n");
log(" do not instantiate IO buffers\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
help_script();
@ -80,7 +92,7 @@ struct SynthNanoXplorePass : public ScriptPass
}
string top_opt, json_file, family;
bool flatten, abc9, nocy;
bool flatten, abc9, nocy, nolutram, nobram, nodsp, noiopad;
void clear_flags() override
{
@ -90,6 +102,10 @@ struct SynthNanoXplorePass : public ScriptPass
flatten = true;
abc9 = false;
nocy = false;
nolutram = false;
nobram = false;
nodsp = false;
noiopad = false;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) override
@ -136,12 +152,28 @@ struct SynthNanoXplorePass : public ScriptPass
nocy = true;
continue;
}
if (args[argidx] == "-nolutram") {
nolutram = true;
continue;
}
if (args[argidx] == "-nobram") {
nobram = true;
continue;
}
if (args[argidx] == "-nodsp") {
nodsp = true;
continue;
}
if (args[argidx] == "-noiopad") {
noiopad = true;
continue;
}
break;
}
extra_args(args, argidx, design);
if (family.empty()) {
log_warning("NanoXplore family not set, setting it to NG-ULTRA.\n");
//log_warning("NanoXplore family not set, setting it to NG-ULTRA.\n");
family = "ultra";
}
@ -190,8 +222,9 @@ struct SynthNanoXplorePass : public ScriptPass
run("opt_clean");
}
if (check_label("map_ram"))
{
if (!nolutram && check_label("map_lutram", "(skip if -nolutram)")) {
run("memory_libmap -lib +/nanoxplore/drams.txt");
run("techmap -map +/nanoxplore/cells_map.v t:$__NX_XRFB_32x36_ t:$__NX_XRFB_64x18_");
}
if (check_label("map_ffram"))