Struct SimpleSTA 

pub struct SimpleSTA<N, Lib>
where
    N: NetlistBase,
    Lib: DelayBase + LoadBase + ConstraintBase,
{ /* private fields */ }

Simple static timing analysis engine.

Implementations

impl<N, Lib> SimpleSTA<N, Lib>

where N: NetlistBase, Lib: DelayBase + ConstraintBase,

pub fn into_inner(self) -> N

Get ownership of the netlist data.

impl<N, Lib> SimpleSTA<N, Lib>

where N: NetlistBaseMT, Lib: CellLoadModel<N> + CellDelayModel<N> + CellConstraintModel<N> + LogicModel<N> + Sync, Lib::LogicValue: LogicOps + From<bool> + TryInto<bool>,

pub fn update_timing(&mut self) -> Result<Timed<'_, N, Lib>, StaError>

Compute the timing information. On success, returns the STA engine in [TimingAvailable] mode where timing queries are enabled. On error, returns a tuple with an error code and the STA engine in [Modifiable] mode.

impl<N, Lib> SimpleSTA<N, Lib>

where N: NetlistBase, Lib: CellLoadModel<N> + CellDelayModel<N> + CellConstraintModel<N> + LogicModel<N>, Lib::LogicValue: LogicOps + From<bool> + TryInto<bool>,

pub fn new( netlist: N, top_cell: N::CellId, cell_timing_library: Lib, ) -> Result<Self, StaError>

Create a new static timing analysis engine which analyzes the given netlist using timing information of the cells from the given library.

pub fn set_input_signal( &mut self, primary_input: N::PinId, signal: InputSignal<Lib::Signal>, ) -> Result<(), StaError>

Set the signal at a primary input.

Typical usages

• Set the input delay
• Set the input slew

pub fn set_output_load( &mut self, primary_output: N::PinId, load: Lib::Load, ) -> Result<(), StaError>

Set the load attached to a primary output.

pub fn set_required_output_signal( &mut self, primary_output: N::PinId, required_signal: RequiredSignalArg<Lib::RequiredSignal>, ) -> Result<(), StaError>

Specify the timing constraint of a primary output.

pub fn create_clock( &mut self, clock_pin: TerminalId<N>, clock_definition: ClockDefinition<Lib::Signal>, ) -> Result<ClockId, StaError>

Specify a clock source.

Trait Implementations

impl<N, Lib> Debug for SimpleSTA<N, Lib>

where N: NetlistBase + Debug, Lib: DelayBase + LoadBase + ConstraintBase + Debug, N::CellId: Debug, N::PinId: Debug, Lib::Signal: Debug, Lib::Load: Debug, Lib::RequiredSignal: Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<N, Lib> HierarchyBase for SimpleSTA<N, Lib>

where N: NetlistBase, Lib: DelayBase + ConstraintBase,

type NameType = <N as HierarchyBase>::NameType

Type for names of cells, instances, etc.

fn cell_name(&self, cell: &Self::CellId) -> Self::NameType

Get the name of the cell.

fn each_cell_vec(&self) -> Vec<Self::CellId>

Get a Vec of all cell IDs in this netlist.

fn num_dependent_cells(&self, cell: &Self::CellId) -> usize

Count all cells that are directly dependent on cell, i.e. contain an instance of cell.

fn cell_instance_by_name( &self, parent_cell: &Self::CellId, name: &str, ) -> Option<Self::CellInstId>

Find a cell instance by its name. Returns None if the name does not exist.

fn for_each_cell_reference<F>(&self, cell: &Self::CellId, f: F)

where F: FnMut(Self::CellInstId),

Iterate over all instances of this cell, i.e. instances that use this cell as a template.

fn each_cell_instance_vec(&self, cell: &Self::CellId) -> Vec<Self::CellInstId>

Get a Vec of the IDs of all instances in this cell.

fn cell_by_name(&self, name: &str) -> Option<Self::CellId>

Find a cell by its name. Return the cell with the given name. Returns None if the cell does not exist.

fn for_each_cell_dependency<F>(&self, cell: &Self::CellId, f: F)

where F: FnMut(Self::CellId),

Call a function for each cell that is a child of this cell.

fn each_cell(&self) -> Box<dyn Iterator<Item = Self::CellId> + '_>

Iterate over all cells.

fn each_cell_dependency_vec(&self, cell: &Self::CellId) -> Vec<Self::CellId>

Get a Vec of each cell that is a child of this cell.

fn get_cell_instance_property( &self, inst: &Self::CellInstId, key: &Self::NameType, ) -> Option<PropertyValue>

Get a property of a cell instance.

fn for_each_cell_instance<F>(&self, cell: &Self::CellId, f: F)

where F: FnMut(Self::CellInstId),

Call a function on each instance in this cell.

fn num_child_instances(&self, cell: &Self::CellId) -> usize

Get the number of cell instances inside the cell.

fn get_cell_property( &self, cell: &Self::CellId, key: &Self::NameType, ) -> Option<PropertyValue>

Get a property of a cell.

fn each_cell_instance( &self, cell: &Self::CellId, ) -> Box<dyn Iterator<Item = Self::CellInstId> + '_>

Iterate over all instances in a cell.

fn each_cell_reference( &self, cell: &Self::CellId, ) -> Box<dyn Iterator<Item = Self::CellInstId> + '_>

Iterate over all instances of this cell, i.e. instances that use this cell as a template.

fn for_each_dependent_cell<F>(&self, cell: &Self::CellId, f: F)

where F: FnMut(Self::CellId),

Call a function for each cell that directly depends on cell.

fn each_dependent_cell<'a>( &'a self, cell: &Self::CellId, ) -> Box<dyn Iterator<Item = Self::CellId> + 'a>

Iterate over each cell that directly depends on cell.

fn get_chip_property(&self, key: &Self::NameType) -> Option<PropertyValue>

Get a property of the top-level chip data structure.

fn num_cell_dependencies(&self, cell: &Self::CellId) -> usize

Count all cells that are dependencies of cell.

fn parent_cell(&self, cell_instance: &Self::CellInstId) -> Self::CellId

Get the ID of the parent cell of this instance.

fn each_cell_dependency<'a>( &'a self, cell: &Self::CellId, ) -> Box<dyn Iterator<Item = Self::CellId> + 'a>

Iterate over all cells that are instantiated in this cell.

fn num_cell_references(&self, cell: &Self::CellId) -> usize

Count all instantiations of cell.

fn num_cells(&self) -> usize

Get the number of cell templates.

fn cell_instance_name( &self, cell_inst: &Self::CellInstId, ) -> Option<Self::NameType>

Get the name of the cell instance.

fn for_each_cell<F>(&self, f: F)

where F: FnMut(Self::CellId),

Call a function on each cell of the netlist.

fn each_cell_reference_vec(&self, cell: &Self::CellId) -> Vec<Self::CellInstId>

Get a Vec with all cell instances referencing this cell.

fn each_dependent_cell_vec(&self, cell: &Self::CellId) -> Vec<Self::CellId>

Get a Vec of each cell that directly depends on cell.

fn template_cell(&self, cell_instance: &Self::CellInstId) -> Self::CellId

Get the ID of the template cell of this instance.

impl<N, Lib> HierarchyEdit for SimpleSTA<N, Lib>

where N: NetlistBase + HierarchyEdit, Lib: DelayBase + ConstraintBase + CellDelayModel<N> + CellConstraintModel<N>,

fn create_cell(&mut self, name: Self::NameType) -> Self::CellId

Create a new and empty cell template. A cell template can be be instantiated in other cells.

fn remove_cell(&mut self, cell_id: &Self::CellId)

Remove a cell and all the instances of it.

fn create_cell_instance( &mut self, parent_cell: &Self::CellId, template_cell: &Self::CellId, name: Option<Self::NameType>, ) -> Self::CellInstId

Create a new instance of template_cell in parent_cell. Recursive instantiation is forbidden and might panic.

fn remove_cell_instance(&mut self, inst: &Self::CellInstId)

Remove cell instance if it exists.

fn set_chip_property(&mut self, key: Self::NameType, value: PropertyValue)

Set a property of the top-level chip data structure..

fn set_cell_property( &mut self, cell: &Self::CellId, key: Self::NameType, value: PropertyValue, )

Set a property of a cell.

fn set_cell_instance_property( &mut self, inst: &Self::CellInstId, key: Self::NameType, value: PropertyValue, )

Set a property of a cell instance.

fn rename_cell_instance( &mut self, inst: &Self::CellInstId, new_name: Option<Self::NameType>, )

Change the name of a cell instance.

fn rename_cell(&mut self, cell: &Self::CellId, new_name: Self::NameType)

Change the name of a cell.

impl<N, Lib> HierarchyIds for SimpleSTA<N, Lib>

where N: NetlistBase, Lib: DelayBase + ConstraintBase,

type CellInstId = <N as HierarchyIds>::CellInstId

Cell instance identifier type.

type CellId = <N as HierarchyIds>::CellId

Cell/module identifier type.

impl<N, Lib> L2NBase for SimpleSTA<N, Lib>

where N: L2NBase, Lib: DelayBase + ConstraintBase,

fn get_net_of_shape(&self, shape_id: &Self::ShapeId) -> Option<Self::NetId>

Get the net of a shape.

fn shapes_of_net( &self, net_id: &Self::NetId, ) -> Box<dyn Iterator<Item = Self::ShapeId> + '_>

Iterate over all shapes that are marked to belong to the specified net.

fn shapes_of_pin( &self, pin_id: &Self::PinId, ) -> Box<dyn Iterator<Item = Self::ShapeId> + '_>

Iterate over all shapes that are part of the pin.

fn get_pin_of_shape(&self, shape_id: &Self::ShapeId) -> Option<Self::PinId>

Get the pin that belongs to the shape (if any).

impl<N, Lib> L2NEdit for SimpleSTA<N, Lib>

where N: L2NEdit, Lib: DelayBase + ConstraintBase + CellDelayModel<N> + CellConstraintModel<N>,

fn set_pin_of_shape( &mut self, shape_id: &Self::ShapeId, pin: Option<Self::PinId>, ) -> Option<Self::PinId>

Create the link between a circuit pin and its shapes in the layout. Return the current pin.

fn set_net_of_shape( &mut self, shape_id: &Self::ShapeId, net: Option<Self::NetId>, ) -> Option<Self::NetId>

Set the net of a shape. Return the current net.

impl<N, Lib> LayoutBase for SimpleSTA<N, Lib>

where N: NetlistBase + LayoutBase, Lib: DelayBase + ConstraintBase,

fn get_transform( &self, cell_inst: &Self::CellInstId, ) -> SimpleTransform<Self::Coord>

Get the geometric transform that describes the location of a cell instance relative to its parent.

fn each_shape_id( &self, cell: &Self::CellId, layer: &Self::LayerId, ) -> Box<dyn Iterator<Item = Self::ShapeId> + '_>

Iterate over the IDs of all shapes in the cell on a specific layer.

fn for_each_shape<F>(&self, cell: &Self::CellId, layer: &Self::LayerId, f: F)

where F: FnMut(&Self::ShapeId, &Geometry<Self::Coord>),

Call a function for each shape on this layer.

fn layer_by_name(&self, name: &str) -> Option<Self::LayerId>

Find layer index by the name.

fn shape_layer(&self, shape_id: &Self::ShapeId) -> Self::LayerId

Get the layer of a shape.

fn each_layer(&self) -> Box<dyn Iterator<Item = Self::LayerId> + '_>

Iterate over all defined layers.

fn find_layer(&self, index: UInt, datatype: UInt) -> Option<Self::LayerId>

Find layer index by the (index, data type) tuple.

fn shape_geometry(&self, shape_id: &Self::ShapeId) -> Geometry<Self::Coord>

Get a clone of the shape geometry.

fn with_shape<F, R>(&self, shape_id: &Self::ShapeId, f: F) -> R

where F: FnMut(&Self::LayerId, &Geometry<Self::Coord>) -> R,

Access a shape by its ID.

fn bounding_box(&self, cell: &Self::CellId) -> Option<Rect<Self::Coord>>

Compute the bounding box of the cell over all layers. The bounding box is not defined if the cell is empty. In this case return None.

fn dbu(&self) -> Self::Coord

Get the distance unit used in this layout in ‘pixels per micron’.

fn parent_of_shape( &self, shape_id: &Self::ShapeId, ) -> (Self::CellId, Self::LayerId)

Get the parent cell and the layer of a shape as a (cell, layer) tuple.

fn bounding_box_per_layer( &self, cell: &Self::CellId, layer: &Self::LayerId, ) -> Option<Rect<Self::Coord>>

Compute the bounding box of the shapes on one layer. The bounding box also includes all child cell instances.

fn get_shape_property( &self, shape: &Self::ShapeId, key: &Self::NameType, ) -> Option<PropertyValue>

Get a property of a shape.

fn layer_info(&self, layer: &Self::LayerId) -> LayerInfo<Self::NameType>

Get the LayerInfo data structure for this layer.

fn for_each_shape_recursive<F>( &self, cell: &Self::CellId, layer: &Self::LayerId, f: F, )

where F: FnMut(SimpleTransform<Self::Coord>, &Self::ShapeId, &Geometry<Self::Coord>),

Call a function f for each shape of this cell and its sub cells. Along to the geometric shape f also gets a transformation as argument. The transformation describes the actual position of the geometric shape relative to the cell.

impl<N, Lib> LayoutEdit for SimpleSTA<N, Lib>

where N: NetlistBase + LayoutEdit, Lib: DelayBase + ConstraintBase + CellDelayModel<N> + CellConstraintModel<N>,

fn insert_shape( &mut self, _parent_cell: &Self::CellId, _layer: &Self::LayerId, _geometry: Geometry<Self::Coord>, ) -> Self::ShapeId

Insert a geometric shape into the parent cell.

fn remove_shape( &mut self, shape_id: &Self::ShapeId, ) -> Option<Geometry<Self::Coord>>

Remove shape from the parent cell.

fn replace_shape( &mut self, _shape_id: &Self::ShapeId, _geometry: Geometry<Self::Coord>, ) -> Geometry<Self::Coord>

Replace the geometry of a shape.

fn set_transform( &mut self, _cell_inst: &Self::CellInstId, _tf: SimpleTransform<Self::Coord>, )

Set the geometric transform that describes the location of a cell instance relative to its parent.

fn create_layer_with_id( &mut self, layer_id: Self::LayerId, index: UInt, datatype: UInt, ) -> Result<(), ()>

Create a new layer with a specific ID. This is used to clone layer-stacks between layouts while preserving their IDs. Returns an Err when the ID already exists.

fn set_dbu(&mut self, dbu: Self::Coord)

Set the distance unit used in this layout in ‘pixels per micron’.

fn create_layer(&mut self, index: UInt, datatype: UInt) -> Self::LayerId

Create a new layer. Use set_layer_name() to define a name.

fn set_layer_name( &mut self, layer: &Self::LayerId, name: Option<Self::NameType>, ) -> Option<Self::NameType>

Set the name of a layer or clear the layer name when passing None. This method should not change the ID of the layer. Returns the previous name of the layer.

fn set_shape_property( &mut self, shape: &Self::ShapeId, key: Self::NameType, value: PropertyValue, )

Set a property of a shape.

impl<N, Lib> LayoutIds for SimpleSTA<N, Lib>

where N: LayoutIds + NetlistBase, Lib: DelayBase + ConstraintBase,

type LayerId = <N as LayoutIds>::LayerId

Layer identifier type.

type Area = <N as LayoutIds>::Area

Number type for areas. This is possibly another type then Coord for the following reasons:

type Coord = <N as LayoutIds>::Coord

Number type used for coordinates and distances.

type ShapeId = <N as LayoutIds>::ShapeId

Shape identifier type.

impl<N, Lib> NetlistBase for SimpleSTA<N, Lib>

where N: NetlistBase, Lib: DelayBase + ConstraintBase,

fn each_pin_instance_vec( &self, circuit_instance: &Self::CellInstId, ) -> Vec<Self::PinInstId>

Get a Vec with the IDs of all pin instance of this circuit instance.

fn each_external_net_vec( &self, circuit_instance: &Self::CellInstId, ) -> Vec<Self::NetId>

Get a vector of all external nets connected to the circuit instance. A net might appear more than once.

fn num_net_pin_instances(&self, net: &Self::NetId) -> usize

Get the number of pin instances that are connected to this net.

fn each_internal_net<'a>( &'a self, circuit: &Self::CellId, ) -> Box<dyn Iterator<Item = Self::NetId> + 'a>

Iterate over all defined nets inside a circuit.

fn each_pin_of_net_vec(&self, net: &Self::NetId) -> Vec<Self::PinId>

Get a Vec with all pin IDs connected to this net.

fn for_each_pin<F>(&self, circuit: &Self::CellId, f: F)

where F: FnMut(Self::PinId),

Call a function for each pin of the circuit.

fn each_pin_instance_of_net<'a>( &'a self, net: &Self::NetId, ) -> Box<dyn Iterator<Item = Self::PinInstId> + 'a>

Iterate over all pins of a net.

fn net_of_pin_instance( &self, pin_instance: &Self::PinInstId, ) -> Option<Self::NetId>

Get the external net attached to this pin instance.

fn each_pin_instance<'a>( &'a self, circuit_instance: &Self::CellInstId, ) -> Box<dyn Iterator<Item = Self::PinInstId> + 'a>

Iterate over all pin instances of a circuit.

fn pin_name(&self, pin: &Self::PinId) -> Self::NameType

Get the name of the pin.

fn net_of_pin(&self, pin: &Self::PinId) -> Option<Self::NetId>

Get the internal net attached to this pin.

fn num_net_pins(&self, net: &Self::NetId) -> usize

Get the number of pins that are connected to this net.

fn each_pin_vec(&self, circuit: &Self::CellId) -> Vec<Self::PinId>

Get a Vec with the IDs of all pins of this circuit.

fn num_net_terminals(&self, net: &Self::NetId) -> usize

Get the number of terminals that are connected to this net.

fn net_by_name( &self, parent_circuit: &Self::CellId, name: &str, ) -> Option<Self::NetId>

Find a net by its name inside the parent circuit. Returns None if no such net can be found.

fn for_each_external_net<F>(&self, circuit_instance: &Self::CellInstId, f: F)

where F: FnMut(Self::NetId),

Iterate over all external nets connected to the circuit instance. A net might appear more than once.

fn pin_direction(&self, pin: &Self::PinId) -> Direction

Get the signal direction of the pin.

fn for_each_internal_net<F>(&self, circuit: &Self::CellId, f: F)

where F: FnMut(Self::NetId),

Call a function for net of the circuit.

fn for_each_pin_instance<F>(&self, circuit_inst: &Self::CellInstId, f: F)

where F: FnMut(Self::PinInstId),

Call a function for each pin instance of the circuit instance.

fn parent_of_pin_instance(&self, pin_inst: &Self::PinInstId) -> Self::CellInstId

Get the ID of the circuit instance that holds this pin instance.

fn parent_cell_of_pin(&self, pin: &Self::PinId) -> Self::CellId

Get the ID of the parent circuit of this pin.

fn template_pin(&self, pin_instance: &Self::PinInstId) -> Self::PinId

Get the ID of the template pin of this pin instance.

fn num_internal_nets(&self, circuit: &Self::CellId) -> usize

Return the number of nets defined inside a cell.

fn each_internal_net_vec(&self, circuit: &Self::CellId) -> Vec<Self::NetId>

Get a Vec with all nets in this circuit.

fn net_zero(&self, parent_circuit: &Self::CellId) -> Self::NetId

Get the net of the logical constant zero.

fn each_pin_instance_of_net_vec( &self, net: &Self::NetId, ) -> Vec<Self::PinInstId>

Get a Vec with all pin instance IDs connected to this net.

fn for_each_pin_instance_of_net<F>(&self, net: &Self::NetId, f: F)

where F: FnMut(Self::PinInstId),

Call a function for each pin instance connected to this net.

fn pin_by_name( &self, parent_circuit: &Self::CellId, name: &str, ) -> Option<Self::PinId>

Find a pin by its name. Returns None if no such pin can be found.

fn each_pin<'a>( &'a self, circuit: &Self::CellId, ) -> Box<dyn Iterator<Item = Self::PinId> + 'a>

Iterate over all pins of a circuit.

fn net_name(&self, net: &Self::NetId) -> Option<Self::NameType>

Get the name of the net.

fn for_each_pin_of_net<F>(&self, net: &Self::NetId, f: F)

where F: FnMut(Self::PinId),

Call a function for each pin connected to this net.

fn net_one(&self, parent_circuit: &Self::CellId) -> Self::NetId

Get the net of the logical constant one.

fn parent_cell_of_net(&self, net: &Self::NetId) -> Self::CellId

Get the ID of the parent circuit of this net.

fn each_external_net<'a>( &'a self, circuit_instance: &Self::CellInstId, ) -> Box<dyn Iterator<Item = Self::NetId> + 'a>

Iterate over all external nets connected to the circuit instance. A net might appear more than once.

fn pin_instance( &self, cell_inst: &Self::CellInstId, pin: &Self::PinId, ) -> Self::PinInstId

Get the ID of a pin instance given the cell instance and the pin ID.

fn num_pins(&self, circuit: &Self::CellId) -> usize

Get the number of pins of a circuit.

fn each_pin_of_net<'a>( &'a self, net: &Self::NetId, ) -> Box<dyn Iterator<Item = Self::PinId> + 'a>

Iterate over all pins of a net.

impl<N, Lib> NetlistEdit for SimpleSTA<N, Lib>

where N: NetlistEdit, Lib: DelayBase + ConstraintBase + CellDelayModel<N> + CellConstraintModel<N>,

fn create_pin( &mut self, cell: &Self::CellId, name: Self::NameType, direction: Direction, ) -> Self::PinId

Create a new pin in this cell. Also adds the pin to all instances of the cell.

fn remove_pin(&mut self, id: &Self::PinId)

Remove the pin from this circuit and from all instances of this circuit.

fn remove_net(&mut self, net: &Self::NetId)

Delete the net if it exists and disconnect all connected terminals.

fn connect_pin( &mut self, pin: &Self::PinId, net: Option<Self::NetId>, ) -> Option<Self::NetId>

Connect a pin to a net. Returns the old connected net, if any.

fn connect_pin_instance( &mut self, pin: &Self::PinInstId, net: Option<Self::NetId>, ) -> Option<Self::NetId>

Connect a pin instance to a net. Returns the old connected net, if any.

fn rename_pin( &mut self, pin: &Self::PinId, new_name: Self::NameType, ) -> Self::NameType

Change the name of the pin, returns the old name.

fn rename_net( &mut self, net_id: &Self::NetId, new_name: Option<Self::NameType>, ) -> Option<Self::NameType>

Set a new name for the net. This might panic if the name already exists. Returns the old name.

fn create_net( &mut self, parent: &Self::CellId, name: Option<Self::NameType>, ) -> Self::NetId

Create a net net that lives in the parent circuit.

fn disconnect_pin_instance( &mut self, pin_instance: &Self::PinInstId, ) -> Option<Self::NetId>

Disconnect the pin instance from any connected net. Returns the old connected net, if any.

fn disconnect_pin(&mut self, pin: &Self::PinId) -> Option<Self::NetId>

Disconnect the pin from any connected net. Returns the old connected net, if any.

impl<N, Lib> NetlistIds for SimpleSTA<N, Lib>

where N: NetlistBase, Lib: DelayBase + ConstraintBase,

type PinInstId = <N as NetlistIds>::PinInstId

Pin instance identifier type. Uniquely identifies a pin instance in the whole netlist. A pin instance is a pin of a circuit instance.

type PinId = <N as NetlistIds>::PinId

Pin identifier type. Uniquely identifies a pin in the whole netlist.

type NetId = <N as NetlistIds>::NetId

Net identifier type. Uniquely identifies a net in the whole netlist.