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liberty ccs support
commit 8f90f9e7ba1eb29621faa3efed9154501c600537 Author: James Cherry <[email protected]> Date: Fri Feb 3 09:02:22 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 0bb6b07fd965dc948a63ed383ac05893af4cbd87 Author: James Cherry <[email protected]> Date: Thu Feb 2 08:07:17 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 408a19ae7750bdd41641ac6efebec0df565987bc Author: James Cherry <[email protected]> Date: Wed Feb 1 16:55:03 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit a193adf0efdfa9c2a3b4272609e03f9279fc3479 Author: James Cherry <[email protected]> Date: Wed Feb 1 16:37:36 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit f26f47698ccd3a43d31f031f5cb6a70f0ffe1f91 Author: James Cherry <[email protected]> Date: Wed Feb 1 10:34:41 2023 -0700 cleanup Signed-off-by: James Cherry <[email protected]> commit 54613569fcb9d714b77833d54492b4dc8121a966 Author: James Cherry <[email protected]> Date: Wed Feb 1 10:18:20 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 4e34c391abc46e9e98d78725e139d739aff7fd44 Author: James Cherry <[email protected]> Date: Wed Feb 1 09:05:43 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 7b1e5af344948d84f82621d054efa206508a5cb8 Author: James Cherry <[email protected]> Date: Tue Jan 31 08:58:23 2023 -0700 table report Signed-off-by: James Cherry <[email protected]> commit 501a53715f27a1ada6477f29b2efdc96fbaec8be Author: James Cherry <[email protected]> Date: Tue Jan 31 08:33:53 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit e68cd932db03724e1344259d79bd6397cca777d2 Author: James Cherry <[email protected]> Date: Mon Jan 30 11:47:01 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 1b279d3ae1e4a8fc156ee92999eab92e6a0a50ff Author: James Cherry <[email protected]> Date: Sun Jan 29 13:56:05 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 43e039650373f9a9bb9e7b7cae6b48d7d2db455b Author: James Cherry <[email protected]> Date: Sun Jan 29 11:54:08 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 648965c2433f4e7ed87371fced85e80d0198df10 Author: James Cherry <[email protected]> Date: Fri Jan 27 19:16:39 2023 -0700 ccs Signed-off-by: James Cherry <[email protected]> commit 02ac4e3e3f3f97308ff71a2f9984aa3aacb6e7ee Author: James Cherry <[email protected]> Date: Tue Jan 24 09:40:22 2023 -0700 ccs liberty Signed-off-by: James Cherry <[email protected]> Signed-off-by: James Cherry <[email protected]>
This commit is contained in:
James Cherry
@@ -85,7 +85,7 @@ enum class DelayModelType { cmos_linear, cmos_pwl, cmos2, table, polynomial, dcm
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enum class ScaleFactorPvt { process, volt, temp, unknown };
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constexpr int scale_factor_pvt_count = int(ScaleFactorPvt::unknown) + 1;
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enum class TableTemplateType { delay, power, output_current, ocv };
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enum class TableTemplateType { delay, power, output_current, capacitance, ocv };
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constexpr int table_template_type_count = int(TableTemplateType::ocv) + 1;
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enum class LevelShifterType { HL, LH, HL_LH };
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@@ -778,6 +778,8 @@ public:
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void setRelatedGroundPin(const char *related_ground_pin);
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const char *relatedPowerPin() const { return related_power_pin_; }
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void setRelatedPowerPin(const char *related_power_pin);
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ReceiverModelPtr receiverModel() const { return receiver_model_; }
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void setReceiverModel(ReceiverModelPtr receiver_model);
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static bool equiv(const LibertyPort *port1,
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const LibertyPort *port2);
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@@ -817,6 +819,7 @@ protected:
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const char *related_ground_pin_;
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const char *related_power_pin_;
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Vector<LibertyPort*> corner_ports_;
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ReceiverModelPtr receiver_model_;
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unsigned int min_pulse_width_exists_:RiseFall::index_count;
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bool min_period_exists_:1;
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@@ -57,6 +57,7 @@ class TimingRole;
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class Transition;
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class RiseFall;
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class RiseFallBoth;
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class ReceiverModel;
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typedef Vector<LibertyLibrary*> LibertyLibrarySeq;
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typedef Vector<LibertyCell*> LibertyCellSeq;
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@@ -66,11 +67,10 @@ typedef Vector<LibertyPort*> LibertyPortSeq;
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typedef Set<LibertyPort*> LibertyPortSet;
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typedef std::pair<const LibertyPort*,const LibertyPort*> LibertyPortPair;
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typedef Set<LibertyCell*> LibertyCellSet;
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typedef Vector<float> FloatSeq;
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typedef Vector<FloatSeq*> FloatTable;
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typedef std::shared_ptr<Table> TablePtr;
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typedef std::shared_ptr<TimingArcAttrs> TimingArcAttrsPtr;
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typedef std::shared_ptr<TableAxis> TableAxisPtr;
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typedef std::shared_ptr<ReceiverModel> ReceiverModelPtr;
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enum class ScaleFactorType : unsigned {
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pin_cap,
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+101
-3
@@ -33,6 +33,12 @@ class Unit;
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class Units;
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class Report;
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class Table;
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class OutputCurrent;
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class OutputCurrentWaveform;
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typedef Vector<float> FloatSeq;
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typedef Vector<FloatSeq*> FloatTable;
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typedef Vector<OutputCurrentWaveform*> OutputCurrentWaveformSeq;
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TableAxisVariable
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stringTableAxisVariable(const char *variable);
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@@ -48,7 +54,9 @@ public:
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GateTableModel(TableModel *delay_model,
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TableModel *delay_sigma_models[EarlyLate::index_count],
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TableModel *slew_model,
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TableModel *slew_sigma_models[EarlyLate::index_count]);
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TableModel *slew_sigma_models[EarlyLate::index_count],
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ReceiverModelPtr receiver_model,
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OutputCurrent *output_current);
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virtual ~GateTableModel();
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virtual void gateDelay(const LibertyCell *cell,
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const Pvt *pvt,
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@@ -118,6 +126,8 @@ protected:
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TableModel *delay_sigma_models_[EarlyLate::index_count];
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TableModel *slew_model_;
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TableModel *slew_sigma_models_[EarlyLate::index_count];
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ReceiverModelPtr receiver_model_;
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OutputCurrent *output_current_;
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};
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class CheckTableModel : public CheckTimingModel
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@@ -223,7 +233,8 @@ public:
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const char *comment1,
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float value2,
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float value3,
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int digits,
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const Unit *table_unit,
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int digits,
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string *result) const;
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void report(const Units *units,
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Report *report) const;
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@@ -246,7 +257,7 @@ protected:
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bool is_scaled_:1;
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};
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// Abstract base class for tables.
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// Abstract base class for 0, 1, 2, or 3 dimesnion float tables.
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class Table
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{
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public:
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@@ -280,6 +291,7 @@ public:
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const char *comment1,
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float value2,
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float value3,
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const Unit *table_unit,
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int digits,
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string *result) const = 0;
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virtual void report(const Units *units,
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@@ -306,6 +318,7 @@ public:
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const char *comment1,
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float value2,
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float value3,
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const Unit *table_unit,
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int digits,
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string *result) const;
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virtual void report(const Units *units,
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@@ -340,6 +353,7 @@ public:
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const char *comment1,
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float value2,
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float value3,
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const Unit *table_unit,
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int digits,
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string *result) const;
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virtual void report(const Units *units,
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@@ -370,6 +384,7 @@ public:
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virtual float findValue(float value1,
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float value2,
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float value3) const;
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FloatTable *values3() { return values_; }
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virtual void reportValue(const char *result_name,
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const LibertyLibrary *library,
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const LibertyCell *cell,
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@@ -378,6 +393,7 @@ public:
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const char *comment1,
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float value2,
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float value3,
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const Unit *table_unit,
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int digits,
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string *result) const;
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virtual void report(const Units *units,
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@@ -417,6 +433,7 @@ public:
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const char *comment1,
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float value2,
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float value3,
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const Unit *table_unit,
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int digits,
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string *result) const;
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virtual void report(const Units *units,
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@@ -434,10 +451,16 @@ public:
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FloatSeq *values);
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~TableAxis();
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TableAxisVariable variable() const { return variable_; }
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const char *variableString() const;
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const Unit *unit(const Units *units);
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size_t size() const { return values_->size(); }
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float axisValue(size_t index) const { return (*values_)[index]; }
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// Find the index for value such that axis[index] <= value < axis[index+1].
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size_t findAxisIndex(float value) const;
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void findAxisIndex(float value,
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// Return values.
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size_t &index,
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bool &exists) const;
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FloatSeq *values() const { return values_; }
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private:
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@@ -445,4 +468,79 @@ private:
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FloatSeq *values_;
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};
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////////////////////////////////////////////////////////////////
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class ReceiverModel
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{
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public:
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ReceiverModel();
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~ReceiverModel();
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void setCapacitanceModel(TableModel *table_model,
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int index,
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RiseFall *rf);
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static bool checkAxes(TablePtr table);
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private:
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TableModel *capacitance_models_[2][RiseFall::index_count];
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};
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class OutputCurrentWaveform
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{
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public:
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OutputCurrentWaveform(float axis_value1,
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float axis_value2,
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TableAxisPtr axis,
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Table1 *currents,
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float reference_time);
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~OutputCurrentWaveform();
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float axisValue1() const { return axis_value1_; }
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float axisValue2() const { return axis_value2_; }
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TableAxisPtr axis() const { return axis_; }
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Table1 *currents() const { return currents_; }
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float referenceTime() const { return reference_time_; }
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void reportWaveform(const Units *units,
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int digits,
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string *result);
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static bool checkAxes(TableTemplate *tbl_template);
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private:
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float axis_value1_;
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float axis_value2_;
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TableAxisPtr axis_;
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Table1 *currents_;
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float reference_time_;
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};
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// Two dimensional table of one dimensional time/current tables.
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class OutputCurrent
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{
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public:
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OutputCurrent(TableAxisPtr axis1,
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TableAxisPtr axis2,
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Vector<OutputCurrentWaveform*> &waveforms);
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~OutputCurrent();
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void reportWaveform(const LibertyCell *cell,
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const Pvt *pvt,
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float in_slew,
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float load_cap,
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int digits,
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string *result) const;
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private:
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void findAxisValues(float in_slew,
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float load_cap,
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// Return values.
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float &axis_value1,
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float &axis_value2) const;
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float axisValue(TableAxisPtr axis,
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float in_slew,
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float load_cap) const;
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// Row.
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TableAxisPtr axis1_;
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// Column.
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TableAxisPtr axis2_;
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OutputCurrentWaveformSeq waveforms_;
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};
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} // namespace
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@@ -24,7 +24,7 @@ namespace sta {
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using std::string;
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// Abstract base class for timing models.
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// Abstract base class for GateTimingModel and CheckTimingModel.
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class TimingModel
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{
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public:
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@@ -36,7 +36,7 @@ protected:
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friend class LibertyCell;
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};
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// Abstract base class for gate timing models.
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// Abstract base class for LinearModel and TableModel.
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class GateTimingModel : public TimingModel
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{
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public:
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