diff options
| -rw-r--r-- | passes/techmap/techmap.cc | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index 74a51550..4a9a7891 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -326,8 +326,40 @@ struct TechmapWorker { if (extern_mode) { - log("WARNING: Mapping simplemap cell %s.%s (%s) in -extern mode is not supported yet.\n", log_id(module), log_id(cell), log_id(cell->type)); - break; + std::string m_name = stringf("$extern:simplemap:%s", log_id(cell->type)); + + for (auto &c : cell->parameters) + m_name += stringf(":%s=%s", log_id(c.first), log_signal(c.second)); + + RTLIL::Module *simplemap_module = design->module(m_name); + + if (simplemap_module == nullptr) + { + simplemap_module = design->addModule(m_name); + RTLIL::Cell *simplemap_cell = simplemap_module->addCell(cell->type, cell); + + int port_counter = 1; + for (auto &c : simplemap_cell->connections_) { + RTLIL::Wire *w = simplemap_module->addWire(c.first, SIZE(c.second)); + if (w->name == "\\Y" || w->name == "\\Q") + w->port_output = true; + else + w->port_input = true; + w->port_id = port_counter++; + c.second = w; + } + + simplemap_module->check(); + + log("Creating %s with simplemap.\n", log_id(simplemap_module)); + if (simplemap_mappers.count(simplemap_cell->type) == 0) + log_error("No simplemap mapper for cell type %s found!\n", RTLIL::id2cstr(simplemap_cell->type)); + simplemap_mappers.at(simplemap_cell->type)(simplemap_module, simplemap_cell); + simplemap_module->remove(simplemap_cell); + } + + cell->type = m_name; + cell->parameters.clear(); } else { @@ -337,10 +369,11 @@ struct TechmapWorker simplemap_mappers.at(cell->type)(module, cell); module->remove(cell); cell = NULL; - did_something = true; - mapped_cell = true; - break; } + + did_something = true; + mapped_cell = true; + break; } for (auto conn : cell->connections()) { @@ -538,6 +571,8 @@ struct TechmapWorker port_conn.second.append_bit(it.second); } tpl->connect(port_conn); + + tpl->check(); } Pass::call_on_module(map, tpl, cmd_string); |