171 lines
3.7 KiB
C++
171 lines
3.7 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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#include "StaState.hh"
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#include <limits>
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#include "ContainerHelpers.hh"
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#include "DispatchQueue.hh"
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#include "Units.hh"
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#include "Network.hh"
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#include "Variables.hh"
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#include "Sdc.hh"
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#include "Graph.hh"
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#include "TimingArc.hh"
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#include "Mode.hh"
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#include "Scene.hh"
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namespace sta {
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StaState::StaState() :
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report_(nullptr),
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debug_(nullptr),
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units_(nullptr),
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network_(nullptr),
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graph_(nullptr),
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levelize_(nullptr),
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arc_delay_calc_(nullptr),
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graph_delay_calc_(nullptr),
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search_(nullptr),
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latches_(nullptr),
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variables_(nullptr),
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thread_count_(1),
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dispatch_queue_(nullptr),
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sigma_factor_(1.0)
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{
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}
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StaState::StaState(const StaState *sta)
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{
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*this = *sta;
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}
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void
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StaState::copyState(const StaState *sta)
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{
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*this = *sta;
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}
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void
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StaState::copyUnits(const Units *units)
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{
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*units_ = *units;
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}
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NetworkEdit *
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StaState::networkEdit()
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{
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return dynamic_cast<NetworkEdit*>(network_);
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}
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NetworkEdit *
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StaState::networkEdit() const
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{
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return dynamic_cast<NetworkEdit*>(network_);
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}
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NetworkReader *
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StaState::networkReader()
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{
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return dynamic_cast<NetworkReader*>(network_);
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}
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NetworkReader *
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StaState::networkReader() const
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{
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return dynamic_cast<NetworkReader*>(network_);
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}
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void
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StaState::setReport(Report *report)
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{
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report_ = report;
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}
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void
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StaState::setDebug(Debug *debug)
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{
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debug_ = debug;
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}
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bool
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StaState::crprActive(const Mode *mode) const
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{
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return mode->sdc()->analysisType() == AnalysisType::ocv
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&& variables_->crprEnabled();
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}
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bool
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StaState::isDisabledCondDefault(const Edge *edge) const
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{
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return !variables_->condDefaultArcsEnabled()
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&& edge->timingArcSet()->isCondDefault();
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}
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////////////////////////////////////////////////////////////////
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size_t
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StaState::scenePathCount() const
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{
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return scenes_.size() * MinMax::index_count;
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}
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// The clock insertion delay (source latency) required for setup and
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// hold checks is:
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//
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// hold check
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// report_timing -delay_type min
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// path insertion pll_delay
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// src clk min early max
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// tgt clk max late min
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//
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// setup check
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// report_timing -delay_type max
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// path insertion pll_delay
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// src clk max late min
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// tgt clk min early max
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//
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// For analysis type single or bc_wc only one path is required, but as
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// shown above both early and late insertion delays are required.
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// To find propagated generated clock insertion delays both early and
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// late clock network paths are required. Thus, analysis type single
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// makes min and max analysis points.
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// Only one of them is enabled to "report paths".
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DcalcAPIndex
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StaState::dcalcAnalysisPtCount() const
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{
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return MinMax::index_count * scenes_.size();
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}
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const SceneSet
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StaState::scenesSet()
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{
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return Scene::sceneSet(scenes_);
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}
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} // namespace
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