135 lines
4.7 KiB
C++
135 lines
4.7 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2020, 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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#include "DisallowCopyAssign.hh"
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#include "MinMax.hh"
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#include "Map.hh"
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#include "StringUtil.hh"
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namespace sta {
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class TimingRole;
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typedef Map<const char*, TimingRole*, CharPtrLess> TimingRoleMap;
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class TimingRole
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{
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public:
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static void init();
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static void destroy();
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static TimingRole *find(const char *name);
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// Singleton accessors.
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static TimingRole *wire() { return wire_; }
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static TimingRole *combinational() { return combinational_; }
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static TimingRole *tristateEnable() { return tristate_enable_; }
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static TimingRole *tristateDisable() { return tristate_disable_; }
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static TimingRole *regClkToQ() { return reg_clk_q_; }
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static TimingRole *regSetClr() { return reg_set_clr_; }
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static TimingRole *latchEnToQ() { return latch_en_q_; }
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static TimingRole *latchDtoQ() { return latch_d_q_; }
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static TimingRole *setup() { return setup_; }
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static TimingRole *hold() { return hold_; }
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static TimingRole *recovery() { return recovery_; }
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static TimingRole *removal() { return removal_; }
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static TimingRole *width() { return width_; }
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static TimingRole *period() { return period_; }
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static TimingRole *skew() { return skew_; }
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static TimingRole *nochange() { return nochange_; }
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static TimingRole *outputSetup() { return output_setup_; }
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static TimingRole *outputHold() { return output_hold_; }
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static TimingRole *gatedClockSetup() { return gated_clk_setup_; }
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static TimingRole *gatedClockHold() { return gated_clk_hold_; }
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static TimingRole *latchSetup() { return latch_setup_; }
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static TimingRole *latchHold() { return latch_hold_; }
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static TimingRole *dataCheckSetup() { return data_check_setup_; }
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static TimingRole *dataCheckHold() { return data_check_hold_; }
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static TimingRole *nonSeqSetup() { return non_seq_setup_; }
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static TimingRole *nonSeqHold() { return non_seq_hold_; }
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const char *asString() const { return name_; }
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int index() const { return index_; }
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bool isWire() const;
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bool isTimingCheck() const { return is_timing_check_; }
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bool isAsyncTimingCheck() const;
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bool isNonSeqTimingCheck() const { return is_non_seq_check_; }
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bool isDataCheck() const;
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const TimingRole *genericRole() const;
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const TimingRole *sdfRole() const;
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// Timing check data path min/max.
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MinMax *pathMinMax() const { return path_min_max_; }
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// Timing check target clock path insertion delay early/late.
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const EarlyLate *tgtClkEarlyLate() const;
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// Pseudo role to match sdf IOPATH.
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static TimingRole *sdfIopath() { return sdf_iopath_; }
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static bool less(const TimingRole *role1,
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const TimingRole *role2);
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static const int index_max = 26;
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private:
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TimingRole(const char *name,
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bool is_sdf_iopath,
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bool is_timing_check,
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bool is_non_seq_check,
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MinMax *path_min_max,
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// generic_type = nullptr means type is the same as this.
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TimingRole *generic_role,
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int index);
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DISALLOW_COPY_AND_ASSIGN(TimingRole);
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const char *name_;
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bool is_timing_check_;
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bool is_sdf_iopath_;
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bool is_non_seq_check_;
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TimingRole *generic_role_;
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unsigned index_;
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MinMax *path_min_max_;
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static TimingRole *wire_;
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static TimingRole *combinational_;
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static TimingRole *tristate_enable_;
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static TimingRole *tristate_disable_;
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static TimingRole *reg_clk_q_;
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static TimingRole *reg_set_clr_;
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static TimingRole *latch_en_q_;
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static TimingRole *latch_d_q_;
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static TimingRole *setup_;
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static TimingRole *hold_;
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static TimingRole *recovery_;
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static TimingRole *removal_;
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static TimingRole *width_;
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static TimingRole *period_;
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static TimingRole *skew_;
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static TimingRole *nochange_;
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static TimingRole *sdf_iopath_;
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static TimingRole *output_setup_;
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static TimingRole *output_hold_;
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static TimingRole *gated_clk_setup_;
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static TimingRole *gated_clk_hold_;
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static TimingRole *latch_setup_;
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static TimingRole *latch_hold_;
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static TimingRole *data_check_setup_;
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static TimingRole *data_check_hold_;
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static TimingRole *non_seq_setup_;
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static TimingRole *non_seq_hold_;
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static TimingRoleMap timing_roles_;
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friend class TimingRoleLess;
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};
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} // namespace
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