171 lines
4.0 KiB
C++
171 lines
4.0 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2024, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include <memory>
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#include "Vector.hh"
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#include "Map.hh"
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#include "Set.hh"
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namespace sta {
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using std::vector;
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class Units;
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class Unit;
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class LibertyLibrary;
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class LibertyCell;
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class LibertyPort;
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class Pvt;
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class OperatingConditions;
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class BusDcl;
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class ModeDef;
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class ModeValueDef;
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class TableTemplate;
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class Table;
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class TableModel;
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class TableAxis;
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class GateTimingModel;
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class CheckTimingModel;
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class ScaleFactors;
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class Wireload;
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class WireloadSelection;
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class TimingArcSet;
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class TimingArc;
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class TimingArcAttrs;
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class InternalPower;
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class LeakagePower;
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class Sequential;
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class FuncExpr;
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class TimingModel;
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class TimingRole;
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class Transition;
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class RiseFall;
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class RiseFallBoth;
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class ReceiverModel;
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class Statetable;
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class StatetableRow;
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typedef Vector<LibertyLibrary*> LibertyLibrarySeq;
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typedef Vector<LibertyCell*> LibertyCellSeq;
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typedef Vector<Sequential*> SequentialSeq;
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typedef Map<LibertyCell*, LibertyCellSeq*> LibertyCellEquivMap;
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typedef Vector<LibertyPort*> LibertyPortSeq;
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typedef Set<LibertyPort*> LibertyPortSet;
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typedef std::pair<const LibertyPort*,const LibertyPort*> LibertyPortPair;
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typedef Set<LibertyCell*> LibertyCellSet;
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typedef std::shared_ptr<Table> TablePtr;
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typedef std::shared_ptr<TimingArcAttrs> TimingArcAttrsPtr;
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typedef std::shared_ptr<TableAxis> TableAxisPtr;
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typedef std::shared_ptr<ReceiverModel> ReceiverModelPtr;
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typedef vector<StatetableRow> StatetableRows;
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enum class ScaleFactorType : unsigned {
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pin_cap,
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wire_cap,
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wire_res,
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min_period,
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// Liberty attributes have rise/fall suffix.
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cell,
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hold,
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setup,
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recovery,
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removal,
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nochange,
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skew,
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leakage_power,
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internal_power,
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// Liberty attributes have rise/fall prefix.
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transition,
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// Liberty attributes have low/high suffix (indexed as rise/fall).
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min_pulse_width,
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unknown,
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};
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const int scale_factor_type_count = int(ScaleFactorType::unknown) + 1;
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// Enough bits to hold a ScaleFactorType enum.
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const int scale_factor_bits = 4;
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enum class WireloadTree { worst_case, best_case, balanced, unknown };
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enum class WireloadMode { top, enclosed, segmented, unknown };
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enum class TimingSense {
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positive_unate,
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negative_unate,
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non_unate,
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none,
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unknown
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};
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const int timing_sense_count = int(TimingSense::unknown) + 1;
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const int timing_sense_bit_count = 3;
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enum class TableAxisVariable {
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total_output_net_capacitance,
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equal_or_opposite_output_net_capacitance,
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input_net_transition,
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input_transition_time,
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related_pin_transition,
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constrained_pin_transition,
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output_pin_transition,
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connect_delay,
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related_out_total_output_net_capacitance,
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time,
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iv_output_voltage,
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input_noise_width,
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input_noise_height,
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input_voltage,
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output_voltage,
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path_depth,
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path_distance,
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normalized_voltage,
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unknown
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};
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enum class PathType { clk, data, clk_and_data };
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const int path_type_count = 2;
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class LibertyPortNameLess
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{
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public:
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bool operator()(const LibertyPort *port1, const LibertyPort *port2) const;
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};
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class LibertyPortPairLess
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{
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public:
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bool operator()(const LibertyPortPair &pair1,
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const LibertyPortPair &pair2) const;
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};
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bool
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timingArcSetLess(const TimingArcSet *set1,
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const TimingArcSet *set2);
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class TimingArcSetLess
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{
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public:
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bool
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operator()(const TimingArcSet *set1,
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const TimingArcSet *set2) const
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{
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return timingArcSetLess(set1, set2);
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}
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};
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} // namespace
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