88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2024, 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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namespace sta {
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class Power;
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enum class PwrActivityOrigin
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{
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global,
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input,
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user,
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vcd,
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saif,
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propagated,
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clock,
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constant,
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defaulted,
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unknown
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};
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class PwrActivity
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{
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public:
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PwrActivity();
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PwrActivity(float activity,
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float duty,
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PwrActivityOrigin origin);
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float activity() const { return activity_; }
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void setActivity(float activity);
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float duty() const { return duty_; }
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void setDuty(float duty);
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PwrActivityOrigin origin() const { return origin_; }
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void setOrigin(PwrActivityOrigin origin);
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const char *originName() const;
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void set(float activity,
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float duty,
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PwrActivityOrigin origin);
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bool isSet() const;
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private:
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void check();
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// In general activity is per clock cycle, NOT per second.
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float activity_;
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float duty_;
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PwrActivityOrigin origin_;
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static constexpr float min_activity = 1E-10;
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};
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class PowerResult
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{
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public:
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PowerResult();
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void clear();
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float internal() const { return internal_; }
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float switching() const { return switching_; }
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float leakage() const { return leakage_; }
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float total() const;
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void incr(PowerResult &result);
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void incrInternal(float pwr);
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void incrSwitching(float pwr);
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void incrLeakage(float pwr);
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private:
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float internal_;
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float switching_;
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float leakage_;
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};
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} // namespace
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