80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2025, 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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//
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// The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software.
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//
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// Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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// This notice may not be removed or altered from any source distribution.
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#pragma once
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#include "MinMax.hh"
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#include "StaState.hh"
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#include "Transition.hh"
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#include "Path.hh"
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namespace sta {
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class ClkDelays
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{
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public:
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ClkDelays();
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void delay(const RiseFall *src_rf,
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const RiseFall *end_rf,
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const MinMax *min_max,
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// Return values.
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Delay &insertion,
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Delay &delay,
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float &internal_latency,
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Delay &latency,
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Path &path,
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bool &exists) const;
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void latency(const RiseFall *src_rf,
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const RiseFall *end_rf,
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const MinMax *min_max,
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// Return values.
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Delay &delay,
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bool &exists) const;
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static Delay latency(Path *clk_path,
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StaState *sta);
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void setLatency(const RiseFall *src_rf,
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const RiseFall *end_rf,
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const MinMax *min_max,
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Path *path,
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bool include_internal_latency,
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StaState *sta);
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private:
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static float insertionDelay(Path *clk_path,
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StaState *sta);
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static float delay(Path *clk_path,
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StaState *sta);
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static float clkTreeDelay(Path *clk_path,
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StaState *sta);
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Delay insertion_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
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Delay delay_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
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float internal_latency_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
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Delay latency_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
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Path path_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
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bool exists_[RiseFall::index_count][RiseFall::index_count][MinMax::index_count];
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};
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} // namespace
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