83 lines
2.3 KiB
C++
83 lines
2.3 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 "LibertyClass.hh"
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#include "NetworkClass.hh"
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#include "NetworkCmp.hh"
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#include "SdcClass.hh"
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#include "RiseFallMinMax.hh"
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namespace sta {
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class DataCheck
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{
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public:
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DataCheck(Pin *from,
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Pin *to,
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Clock *clk);
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Pin *from() const { return from_; }
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Pin *to() const { return to_; }
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Clock *clk() const { return clk_; }
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void margin(const RiseFall *from_rf,
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const RiseFall *to_rf,
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const SetupHold *setup_hold,
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// Return values.
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float &margin,
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bool &exists) const;
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void setMargin(const RiseFallBoth *from_rf,
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const RiseFallBoth *to_rf,
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const SetupHoldAll *setup_hold,
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float margin);
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void removeMargin(const RiseFallBoth *from_rf,
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const RiseFallBoth *to_rf,
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const SetupHoldAll *setup_hold);
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bool empty() const;
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void marginIsOneValue(const SetupHold *setup_hold,
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// Return values.
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float &value,
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bool &one_value) const;
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private:
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Pin *from_;
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Pin *to_;
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Clock *clk_;
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RiseFallMinMax margins_[RiseFall::index_count];
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};
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class DataCheckLess
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{
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public:
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DataCheckLess(const Network *network);
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bool operator()(const DataCheck *check1,
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const DataCheck *check2) const;
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private:
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const Network *network_;
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};
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} // namespace
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