OperationExecutor Class Reference

#include <OperationExecutor.hh>

Inheritance diagram for OperationExecutor:

Collaboration diagram for OperationExecutor:

Public Member Functions
	OperationExecutor ()
	OperationExecutor (FUState &parent)
virtual	~OperationExecutor ()
FUState &	parent () const
void	setParent (FUState &parent)
void	addBinding (int io, PortState &port)
PortState &	binding (int io) const
virtual void	startOperation (Operation &op)=0
bool	hasPendingOperations () const
virtual void	advanceClock ()=0
virtual OperationExecutor *	copy ()=0
virtual void	setContext (OperationContext &context)=0
virtual void	reset ()

Protected Attributes
std::vector< PortState * >	bindings_
	PortStates that are bound to a certain input or output operand.
bool	hasPendingOperations_
	This is set to true if the OperationExecutor is not in 'idle' mode.

Private Member Functions
OperationExecutor &	operator= (const OperationExecutor &)
	Assignment not allowed.

Private Attributes
FUState *	parent_
	Parent of the executor.

Detailed Description

Executes operations in function units.

Definition at line 49 of file OperationExecutor.hh.

Constructor & Destructor Documentation

OperationExecutor() [1/2]

OperationExecutor::OperationExecutor ( )

inline

Definition at line 51 of file OperationExecutor.hh.

: hasPendingOperations_(false), parent_(NULL) {}

OperationExecutor() [2/2]

OperationExecutor::OperationExecutor ( FUState &  parent )

explicit

Constructor.

Parameters

parent

Parent FUState.

Definition at line 48 of file OperationExecutor.cc.

                                                    : 
     hasPendingOperations_(false), parent_(&parent) {
}

~OperationExecutor()

OperationExecutor::~OperationExecutor ( )

virtual

Destructor.

Definition at line 55 of file OperationExecutor.cc.

                                      {
}

Member Function Documentation

addBinding()

void OperationExecutor::addBinding	(	int	io,
		PortState &	port
	)

Adds binding of operand to a port.

Parameters

io	Operand index.
port	Port to be bind.

Exceptions

IllegalRegistration

If parent of the port is not the same as the parent of the executor.

Definition at line 67 of file OperationExecutor.cc.

                                                     {
    if (io > static_cast<int>(bindings_.size()) - 1) {
        bindings_.resize(io, NULL);
    }
    
    if (&port.parent() != parent_) {
        string msg = "Parent of the port and executors differs";
        throw IllegalRegistration(__FILE__, __LINE__, __func__, msg);
    }
 
    if (bindings_[io - 1] != NULL) {
        string msg = "Operand with given index has been already bound"
            " to a port";
        throw IllegalRegistration(__FILE__, __LINE__, __func__, msg);
    }
 
    bindings_[io - 1] = &port;
}

References __func__, bindings_, PortState::parent(), and parent_.

Referenced by MachineStateBuilder::bindPortsToOperands(), and FUState::replaceOperationExecutor().

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advanceClock()

virtual void OperationExecutor::advanceClock ( )

pure virtual

Implemented in ConflictDetectingOperationExecutor, MultiLatencyOperationExecutor, OneCycleOperationExecutor, SimpleOperationExecutor, and TransportPipeline.

Referenced by FUState::advanceClock().

binding()

PortState & OperationExecutor::binding

(

int

io

)

const

Referenced by SimpleOperationExecutor::advanceClock(), FUState::replaceOperationExecutor(), FUState::sameBindings(), MultiLatencyOperationExecutor::startOperation(), SimpleOperationExecutor::startOperation(), and TransportPipeline::startOperation().

copy()

virtual OperationExecutor * OperationExecutor::copy ( )

pure virtual

Implemented in ConflictDetectingOperationExecutor, MultiLatencyOperationExecutor, OneCycleOperationExecutor, SimpleOperationExecutor, and TransportPipeline.

Referenced by FUState::addOperationExecutor().

hasPendingOperations()

bool OperationExecutor::hasPendingOperations

(

)

const

Referenced by FUState::advanceClock(), and FUState::endClock().

operator=()

OperationExecutor & OperationExecutor::operator= ( const OperationExecutor &  )

private

Assignment not allowed.

parent()

FUState & OperationExecutor::parent

(

)

const

Referenced by FUState::replaceOperationExecutor(), setParent(), and TransportPipeline::TransportPipeline().

reset()

void OperationExecutor::reset ( )

virtual

Reimplemented in MultiLatencyOperationExecutor.

Definition at line 87 of file OperationExecutor.cc.

                         {
    return;
}

setContext()

virtual void OperationExecutor::setContext ( OperationContext &  context )

pure virtual

Implemented in MultiLatencyOperationExecutor, OneCycleOperationExecutor, SimpleOperationExecutor, and TransportPipeline.

Referenced by FUState::addOperationExecutor(), and FUState::replaceOperationExecutor().

setParent()

void OperationExecutor::setParent ( FUState &  parent )

inline

Definition at line 56 of file OperationExecutor.hh.

{ parent_ = &parent; }

References parent(), and parent_.

Referenced by FUState::replaceOperationExecutor().

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startOperation()

virtual void OperationExecutor::startOperation ( Operation &  op )

pure virtual

Implemented in ConflictDetectingOperationExecutor, MultiLatencyOperationExecutor, OneCycleOperationExecutor, SimpleOperationExecutor, and TransportPipeline.

Referenced by FUState::endClock().

Member Data Documentation

bindings_

std::vector<PortState*> OperationExecutor::bindings_

protected

PortStates that are bound to a certain input or output operand.

Definition at line 70 of file OperationExecutor.hh.

Referenced by addBinding(), and OneCycleOperationExecutor::initializeIOVector().

hasPendingOperations_

bool OperationExecutor::hasPendingOperations_

protected

This is set to true if the OperationExecutor is not in 'idle' mode.

Definition at line 73 of file OperationExecutor.hh.

Referenced by ConflictDetectingOperationExecutor::advanceClock(), MultiLatencyOperationExecutor::advanceClock(), OneCycleOperationExecutor::advanceClock(), SimpleOperationExecutor::advanceClock(), MultiLatencyOperationExecutor::MultiLatencyOperationExecutor(), MultiLatencyOperationExecutor::reset(), SimpleOperationExecutor::SimpleOperationExecutor(), ConflictDetectingOperationExecutor::startOperation(), MultiLatencyOperationExecutor::startOperation(), OneCycleOperationExecutor::startOperation(), and SimpleOperationExecutor::startOperation().

parent_

FUState* OperationExecutor::parent_

private

Parent of the executor.

Definition at line 79 of file OperationExecutor.hh.

Referenced by addBinding(), and setParent().

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The documentation for this class was generated from the following files:

• OperationExecutor.hh
• OperationExecutor.cc