119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
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// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2018, 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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#ifndef STA_DERATING_FACTORS_H
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#define STA_DERATING_FACTORS_H
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#include "DisallowCopyAssign.hh"
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#include "LibertyClass.hh"
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#include "SdcClass.hh"
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#include "MinMax.hh"
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#include "RiseFallMinMax.hh"
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namespace sta {
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class DeratingFactors
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{
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public:
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DeratingFactors();
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void setFactor(PathClkOrData clk_data,
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const TransRiseFallBoth *tr,
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const EarlyLate *early_late,
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float factor);
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void factor(PathClkOrData clk_data,
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const TransRiseFall *tr,
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const EarlyLate *early_late,
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float &factor,
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bool &exists) const;
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void clear();
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void isOneValue(const EarlyLate *early_late,
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bool &is_one_value,
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float &value) const;
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void isOneValue(PathClkOrData clk_data,
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const EarlyLate *early_late,
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bool &is_one_value,
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float &value) const;
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bool hasValue() const;
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private:
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DISALLOW_COPY_AND_ASSIGN(DeratingFactors);
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RiseFallMinMax factors_[path_clk_or_data_count];
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};
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class DeratingFactorsGlobal
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{
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public:
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DeratingFactorsGlobal();
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void setFactor(TimingDerateType type,
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PathClkOrData clk_data,
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const TransRiseFallBoth *tr,
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const EarlyLate *early_late,
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float factor);
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void factor(TimingDerateType type,
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PathClkOrData clk_data,
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const TransRiseFall *tr,
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const EarlyLate *early_late,
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float &factor,
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bool &exists) const;
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DeratingFactors *factors(TimingDerateType type);
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void clear();
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private:
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DISALLOW_COPY_AND_ASSIGN(DeratingFactorsGlobal);
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DeratingFactors factors_[timing_derate_type_count];
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};
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class DeratingFactorsCell
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{
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public:
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DeratingFactorsCell();
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void setFactor(TimingDerateType type,
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PathClkOrData clk_data,
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const TransRiseFallBoth *tr,
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const EarlyLate *early_late,
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float factor);
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void factor(TimingDerateType type,
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PathClkOrData clk_data,
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const TransRiseFall *tr,
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const EarlyLate *early_late,
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float &factor,
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bool &exists) const;
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DeratingFactors *factors(TimingDerateType type);
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void clear();
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void isOneValue(const EarlyLate *early_late,
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bool &is_one_value,
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float &value) const;
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private:
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DISALLOW_COPY_AND_ASSIGN(DeratingFactorsCell);
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DeratingFactors factors_[timing_derate_cell_type_count];
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};
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class DeratingFactorsNet : public DeratingFactors
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{
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public:
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DeratingFactorsNet();
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private:
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DISALLOW_COPY_AND_ASSIGN(DeratingFactorsNet);
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};
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} // namespace
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#endif
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