f << "c";
- auto write_buffer = [](std::stringstream &buffer, int i32) {
- int32_t i32_be = to_big_endian(i32);
- buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be));
- };
- std::stringstream h_buffer;
- auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1);
- write_h_buffer(1);
- log_debug("ciNum = %d\n", GetSize(input_bits) + GetSize(ci_bits));
- write_h_buffer(input_bits.size() + ci_bits.size());
- log_debug("coNum = %d\n", GetSize(output_bits) + GetSize(co_bits));
- write_h_buffer(output_bits.size() + GetSize(co_bits));
- log_debug("piNum = %d\n", GetSize(input_bits));
- write_h_buffer(input_bits.size());
- log_debug("poNum = %d\n", GetSize(output_bits));
- write_h_buffer(output_bits.size());
- log_debug("boxNum = %d\n", GetSize(box_list));
- write_h_buffer(box_list.size());
-
- auto write_buffer_float = [](std::stringstream &buffer, float f32) {
- buffer.write(reinterpret_cast<const char*>(&f32), sizeof(f32));
- };
- std::stringstream i_buffer;
- auto write_i_buffer = std::bind(write_buffer_float, std::ref(i_buffer), std::placeholders::_1);
- for (auto bit : input_bits)
- write_i_buffer(arrival_times.at(bit, 0));
- //std::stringstream o_buffer;
- //auto write_o_buffer = std::bind(write_buffer_float, std::ref(o_buffer), std::placeholders::_1);
- //for (auto bit : output_bits)
- // write_o_buffer(0);
-
- if (!box_list.empty()) {
- RTLIL::Module *holes_module = module->design->addModule("$__holes__");
- log_assert(holes_module);
-
- int port_id = 1;
- int box_count = 0;
- for (auto cell : box_list) {
- RTLIL::Module* box_module = module->design->module(cell->type);
- int box_inputs = 0, box_outputs = 0;
- Cell *holes_cell = nullptr;
- if (box_module->get_bool_attribute("\\whitebox")) {
- holes_cell = holes_module->addCell(cell->name, cell->type);
- holes_cell->parameters = cell->parameters;
- }
+ if (GetSize(output_bits) > 0) {
+ auto write_buffer = [](std::stringstream &buffer, int i32) {
+ int32_t i32_be = to_big_endian(i32);
+ buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be));
+ };
+ std::stringstream h_buffer;
+ auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1);
+ write_h_buffer(1);
+ log_debug("ciNum = %d\n", GetSize(input_bits) + GetSize(ci_bits));
+ write_h_buffer(input_bits.size() + ci_bits.size());
+ log_debug("coNum = %d\n", GetSize(output_bits) + GetSize(co_bits));
+ write_h_buffer(output_bits.size() + GetSize(co_bits));
+ log_debug("piNum = %d\n", GetSize(input_bits));
+ write_h_buffer(input_bits.size());
+ log_debug("poNum = %d\n", GetSize(output_bits));
+ write_h_buffer(output_bits.size());
+ log_debug("boxNum = %d\n", GetSize(box_list));
+ write_h_buffer(box_list.size());
+
+ auto write_buffer_float = [](std::stringstream &buffer, float f32) {
+ buffer.write(reinterpret_cast<const char*>(&f32), sizeof(f32));
+ };
+ std::stringstream i_buffer;
+ auto write_i_buffer = std::bind(write_buffer_float, std::ref(i_buffer), std::placeholders::_1);
+ for (auto bit : input_bits)
+ write_i_buffer(arrival_times.at(bit, 0));
+ //std::stringstream o_buffer;
+ //auto write_o_buffer = std::bind(write_buffer_float, std::ref(o_buffer), std::placeholders::_1);
+ //for (auto bit : output_bits)
+ // write_o_buffer(0);
+
+ if (!box_list.empty()) {
+ RTLIL::Module *holes_module = module->design->addModule("$__holes__");
+ log_assert(holes_module);
+
+ int port_id = 1;
+ int box_count = 0;
+ for (auto cell : box_list) {
+ RTLIL::Module* box_module = module->design->module(cell->type);
+ int box_inputs = 0, box_outputs = 0;
+ Cell *holes_cell = nullptr;
+ if (box_module->get_bool_attribute("\\whitebox")) {
+ holes_cell = holes_module->addCell(cell->name, cell->type);
+ holes_cell->parameters = cell->parameters;
+ }
- // NB: Assume box_module->ports are sorted alphabetically
- // (as RTLIL::Module::fixup_ports() would do)
- for (const auto &port_name : box_module->ports) {
- RTLIL::Wire *w = box_module->wire(port_name);
- log_assert(w);
- RTLIL::Wire *holes_wire;
- RTLIL::SigSpec port_wire;
- if (w->port_input) {
- for (int i = 0; i < GetSize(w); i++) {
- box_inputs++;
- holes_wire = holes_module->wire(stringf("\\i%d", box_inputs));
- if (!holes_wire) {
- holes_wire = holes_module->addWire(stringf("\\i%d", box_inputs));
- holes_wire->port_input = true;
+ // NB: Assume box_module->ports are sorted alphabetically
+ // (as RTLIL::Module::fixup_ports() would do)
+ for (const auto &port_name : box_module->ports) {
+ RTLIL::Wire *w = box_module->wire(port_name);
+ log_assert(w);
+ RTLIL::Wire *holes_wire;
+ RTLIL::SigSpec port_wire;
+ if (w->port_input) {
+ for (int i = 0; i < GetSize(w); i++) {
+ box_inputs++;
+ holes_wire = holes_module->wire(stringf("\\i%d", box_inputs));
+ if (!holes_wire) {
+ holes_wire = holes_module->addWire(stringf("\\i%d", box_inputs));
+ holes_wire->port_input = true;
+ holes_wire->port_id = port_id++;
+ holes_module->ports.push_back(holes_wire->name);
+ }
+ if (holes_cell)
+ port_wire.append(holes_wire);
+ }
+ if (!port_wire.empty())
+ holes_cell->setPort(w->name, port_wire);
+ }
+ if (w->port_output) {
+ box_outputs += GetSize(w);
+ for (int i = 0; i < GetSize(w); i++) {
+ if (GetSize(w) == 1)
+ holes_wire = holes_module->addWire(stringf("%s.%s", cell->name.c_str(), w->name.c_str()));
+ else
+ holes_wire = holes_module->addWire(stringf("%s.%s[%d]", cell->name.c_str(), w->name.c_str(), i));
+ holes_wire->port_output = true;
holes_wire->port_id = port_id++;
holes_module->ports.push_back(holes_wire->name);
+ if (holes_cell)
+ port_wire.append(holes_wire);
+ else
+ holes_module->connect(holes_wire, State::S0);
}
- if (holes_cell)
- port_wire.append(holes_wire);
+ if (!port_wire.empty())
+ holes_cell->setPort(w->name, port_wire);
}
- if (!port_wire.empty())
- holes_cell->setPort(w->name, port_wire);
}
- if (w->port_output) {
- box_outputs += GetSize(w);
- for (int i = 0; i < GetSize(w); i++) {
- if (GetSize(w) == 1)
- holes_wire = holes_module->addWire(stringf("%s.%s", cell->name.c_str(), w->name.c_str()));
- else
- holes_wire = holes_module->addWire(stringf("%s.%s[%d]", cell->name.c_str(), w->name.c_str(), i));
- holes_wire->port_output = true;
- holes_wire->port_id = port_id++;
- holes_module->ports.push_back(holes_wire->name);
- if (holes_cell)
- port_wire.append(holes_wire);
- else
- holes_module->connect(holes_wire, State::S0);
- }
- if (!port_wire.empty())
- holes_cell->setPort(w->name, port_wire);
- }
- }
- write_h_buffer(box_inputs);
- write_h_buffer(box_outputs);
- write_h_buffer(box_module->attributes.at("\\abc_box_id").as_int());
- write_h_buffer(box_count++);
- }
+ write_h_buffer(box_inputs);
+ write_h_buffer(box_outputs);
+ write_h_buffer(box_module->attributes.at("\\abc_box_id").as_int());
+ write_h_buffer(box_count++);
+ }
- std::stringstream r_buffer;
- auto write_r_buffer = std::bind(write_buffer, std::ref(r_buffer), std::placeholders::_1);
- write_r_buffer(0);
- f << "r";
- std::string buffer_str = r_buffer.str();
- int32_t buffer_size_be = to_big_endian(buffer_str.size());
- f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
- f.write(buffer_str.data(), buffer_str.size());
+ std::stringstream r_buffer;
+ auto write_r_buffer = std::bind(write_buffer, std::ref(r_buffer), std::placeholders::_1);
+ write_r_buffer(0);
+ f << "r";
+ std::string buffer_str = r_buffer.str();
+ int32_t buffer_size_be = to_big_endian(buffer_str.size());
+ f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
+ f.write(buffer_str.data(), buffer_str.size());
- if (holes_module) {
- log_push();
+ if (holes_module) {
+ log_push();
- // NB: fixup_ports() will sort ports by name
- //holes_module->fixup_ports();
- holes_module->check();
+ // NB: fixup_ports() will sort ports by name
+ //holes_module->fixup_ports();
+ holes_module->check();
- holes_module->design->selection_stack.emplace_back(false);
- RTLIL::Selection& sel = holes_module->design->selection_stack.back();
- sel.select(holes_module);
+ holes_module->design->selection_stack.emplace_back(false);
+ RTLIL::Selection& sel = holes_module->design->selection_stack.back();
+ sel.select(holes_module);
- // TODO: Should not need to opt_merge if we only instantiate
- // each box type once...
- Pass::call(holes_module->design, "opt_merge -share_all");
+ // TODO: Should not need to opt_merge if we only instantiate
+ // each box type once...
+ Pass::call(holes_module->design, "opt_merge -share_all");
- Pass::call(holes_module->design, "flatten -wb");
+ Pass::call(holes_module->design, "flatten -wb");
- // TODO: Should techmap/aigmap/check all lib_whitebox-es just once,
- // instead of per write_xaiger call
- Pass::call(holes_module->design, "techmap");
- Pass::call(holes_module->design, "aigmap");
- for (auto cell : holes_module->cells())
- if (!cell->type.in("$_NOT_", "$_AND_"))
- log_error("Whitebox contents cannot be represented as AIG. Please verify whiteboxes are synthesisable.\n");
+ // TODO: Should techmap/aigmap/check all lib_whitebox-es just once,
+ // instead of per write_xaiger call
+ Pass::call(holes_module->design, "techmap");
+ Pass::call(holes_module->design, "aigmap");
+ for (auto cell : holes_module->cells())
+ if (!cell->type.in("$_NOT_", "$_AND_"))
+ log_error("Whitebox contents cannot be represented as AIG. Please verify whiteboxes are synthesisable.\n");
- holes_module->design->selection_stack.pop_back();
+ holes_module->design->selection_stack.pop_back();
- // Move into a new (temporary) design so that "clean" will only
- // operate (and run checks on) this one module
- RTLIL::Design *holes_design = new RTLIL::Design;
- holes_module->design->modules_.erase(holes_module->name);
- holes_design->add(holes_module);
- Pass::call(holes_design, "clean -purge");
+ // Move into a new (temporary) design so that "clean" will only
+ // operate (and run checks on) this one module
+ RTLIL::Design *holes_design = new RTLIL::Design;
+ holes_module->design->modules_.erase(holes_module->name);
+ holes_design->add(holes_module);
+ Pass::call(holes_design, "clean -purge");
- std::stringstream a_buffer;
- XAigerWriter writer(holes_module, true /* holes_mode */);
- writer.write_aiger(a_buffer, false /*ascii_mode*/);
+ std::stringstream a_buffer;
+ XAigerWriter writer(holes_module, true /* holes_mode */);
+ writer.write_aiger(a_buffer, false /*ascii_mode*/);
- delete holes_design;
+ delete holes_design;
- f << "a";
- std::string buffer_str = a_buffer.str();
- int32_t buffer_size_be = to_big_endian(buffer_str.size());
- f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
- f.write(buffer_str.data(), buffer_str.size());
+ f << "a";
+ std::string buffer_str = a_buffer.str();
+ int32_t buffer_size_be = to_big_endian(buffer_str.size());
+ f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
+ f.write(buffer_str.data(), buffer_str.size());
- log_pop();
+ log_pop();
+ }
}
- }
- f << "h";
- std::string buffer_str = h_buffer.str();
- int32_t buffer_size_be = to_big_endian(buffer_str.size());
- f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
- f.write(buffer_str.data(), buffer_str.size());
-
- f << "i";
- buffer_str = i_buffer.str();
- buffer_size_be = to_big_endian(buffer_str.size());
- f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
- f.write(buffer_str.data(), buffer_str.size());
- //f << "o";
- //buffer_str = o_buffer.str();
- //buffer_size_be = to_big_endian(buffer_str.size());
- //f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
- //f.write(buffer_str.data(), buffer_str.size());
+ f << "h";
+ std::string buffer_str = h_buffer.str();
+ int32_t buffer_size_be = to_big_endian(buffer_str.size());
+ f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
+ f.write(buffer_str.data(), buffer_str.size());
+
+ f << "i";
+ buffer_str = i_buffer.str();
+ buffer_size_be = to_big_endian(buffer_str.size());
+ f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
+ f.write(buffer_str.data(), buffer_str.size());
+ //f << "o";
+ //buffer_str = o_buffer.str();
+ //buffer_size_be = to_big_endian(buffer_str.size());
+ //f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
+ //f.write(buffer_str.data(), buffer_str.size());
+ }
f << stringf("Generated by %s\n", yosys_version_str);
}