116 lines
3.0 KiB
C++
116 lines
3.0 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2020, 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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#pragma once
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#include "DisallowCopyAssign.hh"
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#include "LibertyClass.hh"
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#include "Transition.hh"
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namespace sta {
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class InternalPowerAttrs;
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class InternalPowerModel;
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class InternalPowerAttrs
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{
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public:
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InternalPowerAttrs();
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virtual ~InternalPowerAttrs();
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void deleteContents();
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FuncExpr *when() const { return when_; }
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FuncExpr *&whenRef() { return when_; }
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void setModel(RiseFall *rf,
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InternalPowerModel *model);
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InternalPowerModel *model(RiseFall *rf) const;
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const char *relatedPgPin() const { return related_pg_pin_; }
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void setRelatedPgPin(const char *related_pg_pin);
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protected:
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FuncExpr *when_;
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InternalPowerModel *models_[RiseFall::index_count];
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const char *related_pg_pin_;
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private:
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DISALLOW_COPY_AND_ASSIGN(InternalPowerAttrs);
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};
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class InternalPower
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{
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public:
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InternalPower(LibertyCell *cell,
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LibertyPort *port,
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LibertyPort *related_port,
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InternalPowerAttrs *attrs);
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~InternalPower();
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LibertyCell *libertyCell() const;
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LibertyPort *port() const { return port_; }
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LibertyPort *relatedPort() const { return related_port_; }
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FuncExpr *when() const { return when_; }
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const char *relatedPgPin() const { return related_pg_pin_; }
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float power(RiseFall *rf,
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const Pvt *pvt,
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float in_slew,
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float load_cap);
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protected:
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LibertyPort *port_;
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LibertyPort *related_port_;
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FuncExpr *when_;
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const char *related_pg_pin_;
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InternalPowerModel *models_[RiseFall::index_count];
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private:
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DISALLOW_COPY_AND_ASSIGN(InternalPower);
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};
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class InternalPowerModel
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{
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public:
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explicit InternalPowerModel(TableModel *model);
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~InternalPowerModel();
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float power(const LibertyCell *cell,
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const Pvt *pvt,
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float in_slew,
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float load_cap) const;
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void reportPower(const LibertyCell *cell,
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const Pvt *pvt,
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float in_slew,
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float load_cap,
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int digits,
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string *result) const;
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protected:
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void findAxisValues(float in_slew,
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float load_cap,
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// Return values.
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float &axis_value1,
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float &axis_value2,
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float &axis_value3) const;
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float axisValue(TableAxis *axis,
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float in_slew,
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float load_cap) const;
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bool checkAxes(const TableModel *model);
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bool checkAxis(TableAxis *axis);
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TableModel *model_;
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private:
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DISALLOW_COPY_AND_ASSIGN(InternalPowerModel);
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};
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} // namespace
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