diff options
Diffstat (limited to 'backends/aiger/aiger.cc')
| -rw-r--r-- | backends/aiger/aiger.cc | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/backends/aiger/aiger.cc b/backends/aiger/aiger.cc index c323691a..6863b40f 100644 --- a/backends/aiger/aiger.cc +++ b/backends/aiger/aiger.cc @@ -89,7 +89,8 @@ struct AigerWriter aig_map[bit] = mkgate(a0, a1); } else if (alias_map.count(bit)) { - aig_map[bit] = bit2aig(alias_map.at(bit)); + int a = bit2aig(alias_map.at(bit)); + aig_map[bit] = a; } if (bit == State::Sx || bit == State::Sz) @@ -100,7 +101,7 @@ struct AigerWriter return aig_map.at(bit); } - AigerWriter(Module *module, bool zinit_mode) : module(module), zinit_mode(zinit_mode), sigmap(module) + AigerWriter(Module *module, bool zinit_mode, bool imode, bool omode, bool bmode) : module(module), zinit_mode(zinit_mode), sigmap(module) { pool<SigBit> undriven_bits; pool<SigBit> unused_bits; @@ -293,6 +294,10 @@ struct AigerWriter aig_map[bit] = 2*aig_m; } + if (imode && input_bits.empty()) { + aig_m++, aig_i++; + } + if (zinit_mode) { for (auto it : ff_map) { @@ -371,6 +376,11 @@ struct AigerWriter aig_outputs.push_back(bit2aig(bit)); } + if (omode && output_bits.empty()) { + aig_o++; + aig_outputs.push_back(0); + } + for (auto it : asserts) { aig_b++; int bit_a = bit2aig(it.first); @@ -378,6 +388,11 @@ struct AigerWriter aig_outputs.push_back(mkgate(bit_a^1, bit_en)); } + if (bmode && asserts.empty()) { + aig_b++; + aig_outputs.push_back(0); + } + for (auto it : assumes) { aig_c++; int bit_a = bit2aig(it.first); @@ -689,6 +704,11 @@ struct AigerBackend : public Backend { log(" -vmap <filename>\n"); log(" like -map, but more verbose\n"); log("\n"); + log(" -I, -O, -B\n"); + log(" If the design contains no input/output/assert then create one\n"); + log(" dummy input/output/bad_state pin to make the tools reading the\n"); + log(" AIGER file happy.\n"); + log("\n"); } void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { @@ -697,6 +717,9 @@ struct AigerBackend : public Backend { bool miter_mode = false; bool symbols_mode = false; bool verbose_map = false; + bool imode = false; + bool omode = false; + bool bmode = false; std::string map_filename; log_header(design, "Executing AIGER backend.\n"); @@ -729,6 +752,18 @@ struct AigerBackend : public Backend { verbose_map = true; continue; } + if (args[argidx] == "-I") { + imode = true; + continue; + } + if (args[argidx] == "-O") { + omode = true; + continue; + } + if (args[argidx] == "-B") { + bmode = true; + continue; + } break; } extra_args(f, filename, args, argidx); @@ -738,10 +773,11 @@ struct AigerBackend : public Backend { if (top_module == nullptr) log_error("Can't find top module in current design!\n"); - AigerWriter writer(top_module, zinit_mode); + AigerWriter writer(top_module, zinit_mode, imode, omode, bmode); writer.write_aiger(*f, ascii_mode, miter_mode, symbols_mode); if (!map_filename.empty()) { + rewrite_filename(filename); std::ofstream mapf; mapf.open(map_filename.c_str(), std::ofstream::trunc); if (mapf.fail()) |