Add batch 2 (danielholanda_LeFlow, The-OpenROAD-Project_OpenSTA, omarelhedaby_CNN-FPGA, QShen3_CNN-FPGA, openrisc_mor1kx)
23d354c verified | // OpenSTA, Static Timing Analyzer | |
| // Copyright (c) 2026, Parallax Software, Inc. | |
| // | |
| // This program is free software: you can redistribute it and/or modify | |
| // it under the terms of the GNU General Public License as published by | |
| // the Free Software Foundation, either version 3 of the License, or | |
| // (at your option) any later version. | |
| // | |
| // This program is distributed in the hope that it will be useful, | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| // GNU General Public License for more details. | |
| // | |
| // You should have received a copy of the GNU General Public License | |
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| // | |
| // The origin of this software must not be misrepresented; you must not | |
| // claim that you wrote the original software. | |
| // | |
| // Altered source versions must be plainly marked as such, and must not be | |
| // misrepresented as being the original software. | |
| // | |
| // This notice may not be removed or altered from any source distribution. | |
| namespace sta { | |
| Waveform | |
| ArcDcalcWaveforms::inputWaveform(ArcDcalcArg &dcalc_arg, | |
| const Scene *scene, | |
| const MinMax *min_max, | |
| const StaState *sta) | |
| { | |
| const Network *network = sta->network(); | |
| Graph *graph = sta->graph(); | |
| Report *report = sta->report(); | |
| const Pin *in_pin = dcalc_arg.inPin(); | |
| LibertyPort *link_port = network->libertyPort(in_pin); | |
| if (link_port) { | |
| LibertyPort *port = link_port->scenePort(scene, min_max); | |
| const RiseFall *in_rf = dcalc_arg.inEdge(); | |
| DriverWaveform *driver_waveform = port->driverWaveform(in_rf); | |
| if (driver_waveform) { | |
| const Vertex *in_vertex = graph->pinLoadVertex(in_pin); | |
| GraphDelayCalc *graph_dcalc = sta->graphDelayCalc(); | |
| Slew in_slew = graph_dcalc->edgeFromSlew(in_vertex, in_rf, | |
| dcalc_arg.arc()->role(), | |
| scene, min_max); | |
| LibertyLibrary *library = port->libertyLibrary(); | |
| float vdd; | |
| bool vdd_exists; | |
| library->supplyVoltage("VDD", vdd, vdd_exists); | |
| if (!vdd_exists) | |
| report->error(1751, "VDD not defined in library {}", library->name()); | |
| float slew1 = delayAsFloat(in_slew, min_max, sta); | |
| Waveform in_waveform = driver_waveform->waveform(slew1); | |
| // Delay time axis. | |
| FloatSeq time_values; | |
| for (float time : in_waveform.axis1()->values()) | |
| time_values.push_back(time + dcalc_arg.inputDelay()); | |
| TableAxisPtr time_axis = std::make_shared<TableAxis>(TableAxisVariable::time, | |
| std::move(time_values)); | |
| // Scale the waveform from 0:vdd. | |
| FloatSeq *scaled_values = new FloatSeq; | |
| for (float value : *in_waveform.values()) { | |
| float scaled_value = (in_rf == RiseFall::rise()) | |
| ? value * vdd | |
| : (1.0 - value) * vdd; | |
| scaled_values->push_back(scaled_value); | |
| } | |
| return Waveform(scaled_values, time_axis); | |
| } | |
| } | |
| return Waveform(); | |
| } | |
| } // namespace sta | |