137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
// 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.
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <set>
|
|
#include <vector>
|
|
|
|
#include "LibertyClass.hh"
|
|
#include "NetworkClass.hh"
|
|
#include "MinMaxValues.hh"
|
|
#include "PinPair.hh"
|
|
|
|
namespace sta {
|
|
|
|
class Sdc;
|
|
class Clock;
|
|
class ClockEdge;
|
|
class CycleAccting;
|
|
class InputDelay;
|
|
class OutputDelay;
|
|
class FalsePath;
|
|
class PathDelay;
|
|
class MultiCyclePath;
|
|
class FilterPath;
|
|
class GroupPath;
|
|
class ExceptionFromTo;
|
|
class ExceptionFrom;
|
|
class ExceptionThru;
|
|
class ExceptionTo;
|
|
class ExceptionPt;
|
|
class InputDrive;
|
|
class MinMax;
|
|
class MinMaxAll;
|
|
class RiseFallMinMax;
|
|
class DisabledInstancePorts;
|
|
class DisabledCellPorts;
|
|
class ExceptionPath;
|
|
class DataCheck;
|
|
class Wireload;
|
|
class ClockLatency;
|
|
class ClockInsertion;
|
|
class ClockGroups;
|
|
class PortDelay;
|
|
|
|
enum class AnalysisType { single, bc_wc, ocv };
|
|
|
|
enum class ExceptionPathType { false_path, loop, multi_cycle, path_delay,
|
|
group_path, filter, any};
|
|
|
|
enum class ClockSense { positive, negative, stop };
|
|
|
|
using ClockPair = std::pair<const Clock*, const Clock*>;
|
|
|
|
class ClockIndexLess
|
|
{
|
|
public:
|
|
bool operator()(const Clock *clk1,
|
|
const Clock *clk2) const;
|
|
};
|
|
|
|
using FloatSeq = std::vector<float>;
|
|
using IntSeq = std::vector<int>;
|
|
using ClockSeq = std::vector<Clock*>;
|
|
using ConstClockSeq = std::vector<const Clock*>;
|
|
using ClockSet = std::set<Clock*, ClockIndexLess>;
|
|
using ConstClockSet = std::set<const Clock*, ClockIndexLess>;
|
|
using ClockGroup = ClockSet;
|
|
using PinSetSeq = std::vector<PinSet*>;
|
|
using SetupHold = MinMax;
|
|
using SetupHoldAll = MinMaxAll;
|
|
using ExceptionThruSeq = std::vector<ExceptionThru*>;
|
|
using LibertyPortPairSet = std::set<LibertyPortPair, LibertyPortPairLess>;
|
|
using DisabledInstancePortsMap = std::map<const Instance*, DisabledInstancePorts*>;
|
|
using DisabledCellPortsMap = std::map<LibertyCell*, DisabledCellPorts*>;
|
|
using ClockUncertainties = MinMaxValues<float>;
|
|
using ExceptionPathSet = std::set<ExceptionPath*>;
|
|
using EdgePins = PinPair;
|
|
using EdgePinsSet = PinPairSet;
|
|
using LogicValueMap = std::map<const Pin*, LogicValue>;
|
|
|
|
class ClockSetLess
|
|
{
|
|
public:
|
|
bool operator()(const ClockSet *set1,
|
|
const ClockSet *set2) const;
|
|
};
|
|
|
|
using ClockGroupSet = std::set<ClockGroup*, ClockSetLess>;
|
|
|
|
// For Search.
|
|
class ExceptionState;
|
|
|
|
class ExceptionStateLess
|
|
{
|
|
public:
|
|
bool operator()(const ExceptionState *state1,
|
|
const ExceptionState *state2) const;
|
|
};
|
|
|
|
class ExceptionPath;
|
|
using ExceptionStateSet = std::set<ExceptionState*, ExceptionStateLess>;
|
|
|
|
// Constraint applies to clock or data paths.
|
|
enum class PathClkOrData { clk, data };
|
|
|
|
const int path_clk_or_data_count = 2;
|
|
|
|
enum class TimingDerateType { cell_delay, cell_check, net_delay };
|
|
constexpr int timing_derate_type_count = 3;
|
|
enum class TimingDerateCellType { cell_delay, cell_check };
|
|
constexpr int timing_derate_cell_type_count = 2;
|
|
|
|
} // namespace
|