File size: 2,535 Bytes
23d354c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | // OpenSTA, Static Timing Analyzer
// Copyright (c) 2026, 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/>.
//
// The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software.
//
// Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// This notice may not be removed or altered from any source distribution.
#pragma once
#include "LibertyClass.hh"
#include "MinMax.hh"
#include "NetworkClass.hh"
#include "NetworkCmp.hh"
#include "RiseFallMinMax.hh"
#include "SdcClass.hh"
namespace sta {
class DataCheck
{
public:
DataCheck(Pin *from,
Pin *to,
Clock *clk);
Pin *from() const { return from_; }
Pin *to() const { return to_; }
Clock *clk() const { return clk_; }
void margin(const RiseFall *from_rf,
const RiseFall *to_rf,
const SetupHold *setup_hold,
// Return values.
float &margin,
bool &exists) const;
void setMargin(const RiseFallBoth *from_rf,
const RiseFallBoth *to_rf,
const SetupHoldAll *setup_hold,
float margin);
void removeMargin(const RiseFallBoth *from_rf,
const RiseFallBoth *to_rf,
const SetupHoldAll *setup_hold);
[[nodiscard]] bool empty() const;
void marginIsOneValue(const SetupHold *setup_hold,
// Return values.
float &value,
bool &one_value) const;
private:
Pin *from_;
Pin *to_;
Clock *clk_;
RiseFallMinMax margins_[RiseFall::index_count];
};
class DataCheckLess
{
public:
DataCheckLess(const Network *network);
bool operator()(const DataCheck *check1,
const DataCheck *check2) const;
private:
const Network *network_;
};
} // namespace sta
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