134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2026, 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 <limits>
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#include <vector>
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#include <map>
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#include "VectorMap.hh"
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#include "MinMaxValues.hh"
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#include "Delay.hh"
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#include "NetworkClass.hh"
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#include "GraphClass.hh"
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namespace sta {
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class Search;
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class Scene;
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class Path;
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class PathEnd;
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class PathGroup;
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class Tag;
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class TagIndexLess;
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class TagMatchLess;
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class TagLess;
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class TagHash;
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class TagEqual;
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class TagGroup;
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class TagGroupHash;
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class TagGroupEqual;
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class ClkInfo;
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class ClkInfoHash;
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class ClkInfoEqual;
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class VertexPathIterator;
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class MinPulseWidthCheck;
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class MinPeriodCheck;
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class MaxSkewCheck;
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class CharPtrLess;
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class SearchPred;
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class BfsFwdIterator;
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class ClkDelays;
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// Tag compare using tag matching (tagMatch) critera.
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class TagMatchLess
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{
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public:
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TagMatchLess(bool match_crpr_clk_pin,
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const StaState *sta);
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bool operator()(const Tag *tag1,
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const Tag *tag2) const;
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protected:
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bool match_crpr_clk_pin_;
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const StaState *sta_;
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};
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class TagMatchHash
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{
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public:
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TagMatchHash(bool match_crpr_clk_pin,
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const StaState *sta);
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size_t operator()(const Tag *tag) const;
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protected:
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bool match_crpr_clk_pin_;
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const StaState *sta_;
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};
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class TagMatchEqual
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{
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public:
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TagMatchEqual(bool match_crpr_clk_pin,
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const StaState *sta);
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bool operator()(const Tag *tag1,
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const Tag *tag2) const;
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protected:
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bool match_crpr_clk_pin_;
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const StaState *sta_;
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};
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using PathAPIndex = int;
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using TagIndex = uint32_t;
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using TagSeq = std::vector<Tag*>;
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using PathEndSeq = std::vector<PathEnd*>;
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using ArrivalSeq = std::vector<Arrival>;
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using VertexPathCountMap = std::map<Vertex*, size_t>;
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using PathIndexMap = VectorMap<Tag*, size_t, TagMatchLess>;
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using SlackSeq = std::vector<Slack>;
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using Crpr = Delay;
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using PathSeq = std::vector<Path*>;
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using ConstPathSeq = std::vector<const Path*>;
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enum class ReportPathFormat { full,
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full_clock,
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full_clock_expanded,
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shorter,
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endpoint,
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summary,
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slack_only,
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json
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};
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static const TagIndex tag_index_bit_count = 28;
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static const TagIndex tag_index_max = (1 << tag_index_bit_count) - 1;
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static const TagIndex tag_index_null = tag_index_max;
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static const int path_ap_index_bit_count = 8;
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// One path analysis point per scene min/max.
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static const int scene_count_max = (1 << path_ap_index_bit_count) / 2;
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} // namespace
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