OpenSTA/search/ClkDelays.hh

80 lines
2.8 KiB
C++

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2025, 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 "MinMax.hh"
#include "StaState.hh"
#include "Transition.hh"
#include "Path.hh"
namespace sta {
class ClkDelays
{
public:
ClkDelays();
void delay(const RiseFall *src_rf,
const RiseFall *end_rf,
const MinMax *min_max,
// Return values.
Delay &insertion,
Delay &delay,
float &internal_latency,
Delay &latency,
Path &path,
bool &exists) const;
void latency(const RiseFall *src_rf,
const RiseFall *end_rf,
const MinMax *min_max,
// Return values.
Delay &delay,
bool &exists) const;
static Delay latency(Path *clk_path,
StaState *sta);
void setLatency(const RiseFall *src_rf,
const RiseFall *end_rf,
const MinMax *min_max,
Path *path,
bool include_internal_latency,
StaState *sta);
private:
static float insertionDelay(Path *clk_path,
StaState *sta);
static float delay(Path *clk_path,
StaState *sta);
static float clkTreeDelay(Path *clk_path,
StaState *sta);
Delay insertion_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
Delay delay_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
float internal_latency_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
Delay latency_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
Path path_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
bool exists_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
};
} // namespace