for (auto w : mapped_mod->wires())
module->addWire(remap_name(w->name), GetSize(w));
+ dict<IdString,IdString> box_lookup;
+ dict<IdString,std::vector<IdString>> box_ports;
+
+ for (auto m : design->modules()) {
+ auto it = m->attributes.find(ID(abc9_box_id));
+ if (it == m->attributes.end())
+ continue;
+ if (m->name.begins_with("$paramod"))
+ continue;
+ auto id = it->second.as_int();
+ auto r = box_lookup.insert(std::make_pair(stringf("$__boxid%d", id), m->name));
+ if (!r.second)
+ log_error("Module '%s' has the same abc9_box_id = %d value as '%s'.\n",
+ log_id(m), id, log_id(r.first->second));
+ log_assert(r.second);
+
+ auto r2 = box_ports.insert(m->name);
+ if (r2.second) {
+ // Make carry in the last PI, and carry out the last PO
+ // since ABC requires it this way
+ IdString carry_in, carry_out;
+ for (const auto &port_name : m->ports) {
+ auto w = m->wire(port_name);
+ log_assert(w);
+ if (w->get_bool_attribute("\\abc9_carry")) {
+ if (w->port_input) {
+ if (carry_in != IdString())
+ log_error("Module '%s' contains more than one 'abc9_carry' input port.\n", log_id(m));
+ carry_in = port_name;
+ }
+ if (w->port_output) {
+ if (carry_out != IdString())
+ log_error("Module '%s' contains more than one 'abc9_carry' output port.\n", log_id(m));
+ carry_out = port_name;
+ }
+ }
+ else
+ r2.first->second.push_back(port_name);
+ }
+
+ if (carry_in != IdString() && carry_out == IdString())
+ log_error("Module '%s' contains an 'abc9_carry' input port but no output port.\n", log_id(m));
+ if (carry_in == IdString() && carry_out != IdString())
+ log_error("Module '%s' contains an 'abc9_carry' output port but no input port.\n", log_id(m));
+ if (carry_in != IdString()) {
+ r2.first->second.push_back(carry_in);
+ r2.first->second.push_back(carry_out);
+ }
+ }
+ }
+
for (auto it = module->cells_.begin(); it != module->cells_.end(); )
if (it->second->type.in(ID($_AND_), ID($_NOT_), ID($__ABC9_FF_)))
it = module->cells_.erase(it);
else {
existing_cell = module->cell(mapped_cell->name);
log_assert(existing_cell);
+
+ if (mapped_cell->type.begins_with("$__boxid")) {
+ auto type = box_lookup.at(mapped_cell->type, IdString());
+ if (type == IdString())
+ log_error("No module with abc9_box_id = %s found.\n", mapped_cell->type.c_str() + strlen("$__boxid"));
+ mapped_cell->type = type;
+ }
cell = module->addCell(remap_name(mapped_cell->name), mapped_cell->type);
}
- RTLIL::Module* box_module = design->module(mapped_cell->type);
- auto abc9_flop = box_module && box_module->attributes.count("\\abc9_flop");
- for (auto &mapped_conn : mapped_cell->connections()) {
- RTLIL::SigSpec newsig;
- for (auto c : mapped_conn.second.chunks()) {
- if (c.width == 0)
- continue;
- //log_assert(c.width == 1);
- if (c.wire)
- c.wire = module->wires_.at(remap_name(c.wire->name));
- newsig.append(c);
+ if (existing_cell) {
+ auto it = mapped_cell->connections_.find("\\i");
+ log_assert(it != mapped_cell->connections_.end());
+ SigSpec inputs = std::move(it->second);
+ mapped_cell->connections_.erase(it);
+ it = mapped_cell->connections_.find("\\o");
+ log_assert(it != mapped_cell->connections_.end());
+ SigSpec outputs = std::move(it->second);
+ mapped_cell->connections_.erase(it);
+
+ RTLIL::Module* box_module = design->module(mapped_cell->type);
+ auto abc9_flop = box_module->attributes.count("\\abc9_flop");
+ if (!abc9_flop) {
+ for (const auto &i : inputs)
+ bit_users[i].insert(mapped_cell->name);
+ for (const auto &i : outputs)
+ bit_drivers[i].insert(mapped_cell->name);
}
- if (existing_cell) {
- auto it = existing_cell->connections_.find(mapped_conn.first);
+
+ int input_count = 0, output_count = 0;
+ for (const auto &port_name : box_ports.at(cell->type)) {
+ RTLIL::Wire *w = box_module->wire(port_name);
+ log_assert(w);
+
+ SigSpec sig;
+ if (w->port_input) {
+ sig = inputs.extract(input_count, GetSize(w));
+ input_count += GetSize(w);
+ }
+ if (w->port_output) {
+ sig = outputs.extract(output_count, GetSize(w));
+ output_count += GetSize(w);
+ }
+
+ SigSpec newsig;
+ for (auto c : sig.chunks()) {
+ if (c.width == 0)
+ continue;
+ //log_assert(c.width == 1);
+ if (c.wire)
+ c.wire = module->wires_.at(remap_name(c.wire->name));
+ newsig.append(c);
+ }
+
+ auto it = existing_cell->connections_.find(port_name);
if (it == existing_cell->connections_.end())
continue;
- log_assert(GetSize(newsig) >= GetSize(it->second));
- newsig = newsig.extract(0, GetSize(it->second));
- }
- cell->setPort(mapped_conn.first, newsig);
+ if (GetSize(newsig) > GetSize(it->second))
+ newsig = newsig.extract(0, GetSize(it->second));
+ else
+ log_assert(GetSize(newsig) == GetSize(it->second));
- if (abc9_flop)
- continue;
+ cell->setPort(port_name, newsig);
- if (cell->input(mapped_conn.first)) {
- for (auto i : newsig)
- bit2sinks[i].push_back(cell);
- for (auto i : mapped_conn.second)
- bit_users[i].insert(mapped_cell->name);
+ if (w->port_input && !abc9_flop)
+ for (const auto &i : newsig)
+ bit2sinks[i].push_back(cell);
+ }
+ }
+ else {
+ for (auto &mapped_conn : mapped_cell->connections()) {
+ RTLIL::SigSpec newsig;
+ for (auto c : mapped_conn.second.chunks()) {
+ if (c.width == 0)
+ continue;
+ //log_assert(c.width == 1);
+ if (c.wire)
+ c.wire = module->wires_.at(remap_name(c.wire->name));
+ newsig.append(c);
+ }
+ cell->setPort(mapped_conn.first, newsig);
+
+ if (cell->input(mapped_conn.first)) {
+ for (auto i : newsig)
+ bit2sinks[i].push_back(cell);
+ for (auto i : mapped_conn.second)
+ bit_users[i].insert(mapped_cell->name);
+ }
+ if (cell->output(mapped_conn.first))
+ for (auto i : mapped_conn.second)
+ bit_drivers[i].insert(mapped_cell->name);
}
- if (cell->output(mapped_conn.first))
- for (auto i : mapped_conn.second)
- bit_drivers[i].insert(mapped_cell->name);
}
if (existing_cell) {