117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
// OpenSTA, Static Timing Analyzer
|
|
// Copyright (c) 2020, 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/>.
|
|
|
|
#pragma once
|
|
|
|
#include "DisallowCopyAssign.hh"
|
|
#include "MinMax.hh"
|
|
#include "LibertyClass.hh"
|
|
#include "SdcClass.hh"
|
|
#include "RiseFallMinMax.hh"
|
|
|
|
namespace sta {
|
|
|
|
class DeratingFactors
|
|
{
|
|
public:
|
|
DeratingFactors();
|
|
void setFactor(PathClkOrData clk_data,
|
|
const RiseFallBoth *rf,
|
|
const EarlyLate *early_late,
|
|
float factor);
|
|
void factor(PathClkOrData clk_data,
|
|
const RiseFall *rf,
|
|
const EarlyLate *early_late,
|
|
float &factor,
|
|
bool &exists) const;
|
|
void clear();
|
|
void isOneValue(const EarlyLate *early_late,
|
|
bool &is_one_value,
|
|
float &value) const;
|
|
void isOneValue(PathClkOrData clk_data,
|
|
const EarlyLate *early_late,
|
|
bool &is_one_value,
|
|
float &value) const;
|
|
bool hasValue() const;
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(DeratingFactors);
|
|
|
|
RiseFallMinMax factors_[path_clk_or_data_count];
|
|
};
|
|
|
|
class DeratingFactorsGlobal
|
|
{
|
|
public:
|
|
DeratingFactorsGlobal();
|
|
void setFactor(TimingDerateType type,
|
|
PathClkOrData clk_data,
|
|
const RiseFallBoth *rf,
|
|
const EarlyLate *early_late,
|
|
float factor);
|
|
void factor(TimingDerateType type,
|
|
PathClkOrData clk_data,
|
|
const RiseFall *rf,
|
|
const EarlyLate *early_late,
|
|
float &factor,
|
|
bool &exists) const;
|
|
DeratingFactors *factors(TimingDerateType type);
|
|
void clear();
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(DeratingFactorsGlobal);
|
|
|
|
DeratingFactors factors_[timing_derate_type_count];
|
|
};
|
|
|
|
class DeratingFactorsCell
|
|
{
|
|
public:
|
|
DeratingFactorsCell();
|
|
void setFactor(TimingDerateType type,
|
|
PathClkOrData clk_data,
|
|
const RiseFallBoth *rf,
|
|
const EarlyLate *early_late,
|
|
float factor);
|
|
void factor(TimingDerateType type,
|
|
PathClkOrData clk_data,
|
|
const RiseFall *rf,
|
|
const EarlyLate *early_late,
|
|
float &factor,
|
|
bool &exists) const;
|
|
DeratingFactors *factors(TimingDerateType type);
|
|
void clear();
|
|
void isOneValue(const EarlyLate *early_late,
|
|
bool &is_one_value,
|
|
float &value) const;
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(DeratingFactorsCell);
|
|
|
|
DeratingFactors factors_[timing_derate_cell_type_count];
|
|
};
|
|
|
|
class DeratingFactorsNet : public DeratingFactors
|
|
{
|
|
public:
|
|
DeratingFactorsNet();
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(DeratingFactorsNet);
|
|
};
|
|
|
|
} // namespace
|