diff options
Diffstat (limited to 'passes/techmap')
| -rw-r--r-- | passes/techmap/abc9.cc | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index f107f9947..30df8e3ef 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -285,7 +285,7 @@ struct abc_output_filter }; void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, - bool cleanup, vector<int> lut_costs, bool dff_mode, std::string clk_str, + bool cleanup, vector<int> lut_costs, bool retime_mode, std::string clk_str, bool /*keepff*/, std::string delay_target, std::string /*lutin_shared*/, bool fast_mode, bool show_tempdir, std::string box_file, std::string lut_file, std::string wire_delay) @@ -323,7 +323,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri clk_sig = assign_map(RTLIL::SigSpec(module->wires_.at(RTLIL::escape_id(clk_str)), 0)); } - if (dff_mode && clk_sig.empty()) + if (retime_mode && clk_sig.empty()) log_cmd_error("Clock domain %s not found.\n", clk_str.c_str()); std::string tempdir_name = "/tmp/yosys-abc-XXXXXX"; @@ -397,7 +397,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri fprintf(f, "%s\n", abc_script.c_str()); fclose(f); - if (dff_mode || !clk_str.empty()) + if (retime_mode || !clk_str.empty()) { if (clk_sig.size() == 0) log("No%s clock domain found. Not extracting any FF cells.\n", clk_str.empty() ? "" : " matching"); @@ -434,6 +434,9 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri //log("Extracted %d gates and %d wires to a netlist network with %d inputs and %d outputs.\n", // count_gates, GetSize(signal_list), count_input, count_output); +#if 0 + Pass::call(design, stringf("write_verilog -noexpr -norename %s/before.xaig", tempdir_name.c_str())); +#endif Pass::call(design, stringf("write_xaiger -map %s/input.sym %s/input.xaig", tempdir_name.c_str(), tempdir_name.c_str())); std::string buffer; @@ -542,6 +545,12 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri for (int i = 0; i < GetSize(w); i++) output_bits.insert({wire, i}); } + + auto jt = w->attributes.find("\\init"); + if (jt != w->attributes.end()) { + auto r = remap_wire->attributes.insert(std::make_pair("\\init", jt->second)); + log_assert(r.second); + } } for (auto &it : module->connections_) { @@ -557,7 +566,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri vector<RTLIL::Cell*> boxes; for (const auto &it : module->cells_) { auto cell = it.second; - if (cell->type.in("$_AND_", "$_NOT_")) { + if (cell->type.in("$_AND_", "$_NOT_", "$__ABC_FF_")) { module->remove(cell); continue; } @@ -699,25 +708,23 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri int in_wires = 0, out_wires = 0; // Stitch in mapped_mod's inputs/outputs into module - for (auto &it : mapped_mod->wires_) { - RTLIL::Wire *w = it.second; - if (!w->port_input && !w->port_output) - continue; - RTLIL::Wire *wire = module->wire(w->name); + for (auto port_name : mapped_mod->ports) { + RTLIL::Wire *port = mapped_mod->wire(port_name); + log_assert(port); + RTLIL::Wire *wire = module->wire(port->name); log_assert(wire); - RTLIL::Wire *remap_wire = module->wire(remap_name(w->name)); + RTLIL::Wire *remap_wire = module->wire(remap_name(port->name)); RTLIL::SigSpec signal = RTLIL::SigSpec(wire, 0, GetSize(remap_wire)); log_assert(GetSize(signal) >= GetSize(remap_wire)); - log_assert(w->port_input || w->port_output); RTLIL::SigSig conn; - if (w->port_input) { + if (port->port_input) { conn.first = remap_wire; conn.second = signal; in_wires++; module->connect(conn); } - if (w->port_output) { + if (port->port_output) { conn.first = signal; conn.second = remap_wire; out_wires++; @@ -867,7 +874,7 @@ struct Abc9Pass : public Pass { #endif std::string script_file, clk_str, box_file, lut_file; std::string delay_target, lutin_shared = "-S 1", wire_delay; - bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true; + bool fast_mode = false, retime_mode = false, keepff = false, cleanup = true; bool show_tempdir = false; vector<int> lut_costs; markgroups = false; @@ -958,13 +965,13 @@ struct Abc9Pass : public Pass { fast_mode = true; continue; } - //if (arg == "-dff") { - // dff_mode = true; - // continue; - //} + if (arg == "-retime") { + retime_mode = true; + continue; + } //if (arg == "-clk" && argidx+1 < args.size()) { // clk_str = args[++argidx]; - // dff_mode = true; + // retime_mode = true; // continue; //} //if (arg == "-keepff") { @@ -1010,8 +1017,8 @@ struct Abc9Pass : public Pass { assign_map.set(mod); - if (!dff_mode || !clk_str.empty()) { - abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, dff_mode, clk_str, keepff, + if (!retime_mode || !clk_str.empty()) { + abc9_module(design, mod, script_file, exe_file, cleanup, lut_costs, retime_mode, clk_str, keepff, delay_target, lutin_shared, fast_mode, show_tempdir, box_file, lut_file, wire_delay); continue; |