diff options
Diffstat (limited to 'nexus/pdc.cc')
| -rw-r--r-- | nexus/pdc.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/nexus/pdc.cc b/nexus/pdc.cc index 3efab69a..4aef354c 100644 --- a/nexus/pdc.cc +++ b/nexus/pdc.cc @@ -199,6 +199,10 @@ struct PDCParser return cmd_get_ports(arguments); else if (cmd == "get_cells") return cmd_get_cells(arguments); + else if (cmd == "get_nets") + return cmd_get_nets(arguments); + else if (cmd == "create_clock") + return cmd_create_clock(arguments); else if (cmd == "ldc_set_location") return cmd_ldc_set_location(arguments); else if (cmd == "ldc_set_port") @@ -229,6 +233,25 @@ struct PDCParser return args; } + TCLValue cmd_get_nets(const std::vector<TCLValue> &arguments) + { + std::vector<TCLEntity> nets; + for (int i = 1; i < int(arguments.size()); i++) { + auto &arg = arguments.at(i); + if (!arg.is_string) + log_error("get_nets expected string arguments (line %d)\n", lineno); + std::string s = arg.str; + if (s.at(0) == '-') + log_error("unsupported argument '%s' to get_nets (line %d)\n", s.c_str(), lineno); + IdString id = ctx->id(s); + if (ctx->nets.count(id) || ctx->net_aliases.count(id)) + nets.emplace_back(TCLEntity::ENTITY_NET, ctx->net_aliases.count(id) ? ctx->net_aliases.at(id) : id); + else + log_warning("get_nets argument '%s' matched no objects.\n", s.c_str()); + } + return nets; + } + TCLValue cmd_get_ports(const std::vector<TCLValue> &arguments) { std::vector<TCLEntity> ports; @@ -263,6 +286,44 @@ struct PDCParser return cells; } + TCLValue cmd_create_clock(const std::vector<TCLValue> &arguments) + { + float period = 10; + for (int i = 1; i < int(arguments.size()); i++) { + auto &arg = arguments.at(i); + if (arg.is_string) { + std::string s = arg.str; + if (s == "-period") { + i++; + auto &val = arguments.at(i); + if (!val.is_string) + log_error("expecting string argument to -period (line %d)\n", lineno); + try { + period = std::stof(val.str); + } catch (std::exception &e) { + log_error("invalid argument '%s' to -period (line %d)\n", val.str.c_str(), lineno); + } + } else if (s == "-name") { + i++; + } else { + log_error("unsupported argument '%s' to create_clock\n", s.c_str()); + } + } else { + for (const auto &ety : arg.list) { + NetInfo *net = nullptr; + if (ety.type == TCLEntity::ENTITY_NET) + net = ctx->nets.at(ety.name).get(); + else if (ety.type == TCLEntity::ENTITY_PORT) + net = ctx->ports.at(ety.name).net; + else + log_error("create_clock applies only to cells or IO ports (line %d)\n", lineno); + ctx->addClock(net->name, 1000.0f / period); + } + } + } + return std::string{}; + } + TCLValue cmd_ldc_set_location(const std::vector<TCLValue> &arguments) { std::string site; |