IoPortManager Class Reference

Manages hardware I/O port (de)allocations. More...

#include <IoPortManager.h>

Collaboration diagram for IoPortManager:

Classes
struct	IoPortInfo

Public Member Functions
bool	allocate (IoPort *Port, io_port_t ioPort, size_t size)
void	free (IoPort *Port)
void	allocateIoPortList (Vector< IoPortInfo * > &IoPorts)
void	freeIoPortList (Vector< IoPortInfo * > &IoPorts)
void	initialise (io_port_t ioPortBase, size_t size) INITIALISATION_ONLY

Static Public Member Functions
static IoPortManager &	instance ()

Private Member Functions
	IoPortManager () INITIALISATION_ONLY
virtual	~IoPortManager ()
	IoPortManager (const IoPortManager &)
IoPortManager &	operator= (const IoPortManager &)

Private Attributes
Spinlock	m_Lock
RangeList< uint32_t >	m_FreeIoPorts
Vector< IoPort * >	m_UsedIoPorts

Static Private Attributes
static IoPortManager	m_Instance

Friends
class	Processor

Detailed Description

Manages hardware I/O port (de)allocations.

Singleton class which manages hardware I/O port (de)allocate

Definition at line 38 of file IoPortManager.h.

Constructor & Destructor Documentation

IoPortManager::IoPortManager ( )

private

The default constructor

Definition at line 105 of file IoPortManager.cc.

IoPortManager::~IoPortManager ( )

privatevirtual

The destructor

Definition at line 108 of file IoPortManager.cc.

IoPortManager::IoPortManager ( const IoPortManager &  )

private

The copy-constructor

Note

No implementation provided (IoPortManager is a singleton)

Member Function Documentation

bool IoPortManager::allocate	(	IoPort *	Port,
		io_port_t	ioPort,
		size_t	size
	)

Allocate a number of successive I/O ports

Note

This is normally called from an IoPort object

Parameters

[in]	Port	pointer to the I/O port range object
[in]	ioPort	the I/O port number
[in]	size	the number of successive I/O ports - 1 to allocate

Returns

true, if the I/O port has been allocated successfull, false otherwise

Definition at line 30 of file IoPortManager.cc.

References RangeList< T, Reversed >::allocateSpecific(), Processor::halt(), Processor::isInitialised(), m_FreeIoPorts, m_Lock, m_UsedIoPorts, and Vector< T >::pushBack().

void IoPortManager::allocateIoPortList

(

Vector< IoPortInfo * > &

IoPorts

)

Copy the I/O port list

Parameters

[in,out]

IoPorts

container for the copy of the I/O ports

Definition at line 73 of file IoPortManager.cc.

References Vector< T >::count(), m_Lock, m_UsedIoPorts, and Vector< T >::pushBack().

Referenced by IoCommand::execute().

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void IoPortManager::free

(

IoPort *

Port

)

Free a number of successive I/O ports

Note

This is normally called from an IoPort object

Parameters

[in]

Port

pointer to the I/O port range object

Definition at line 49 of file IoPortManager.cc.

References IoPort::base(), Vector< T >::begin(), Vector< T >::end(), Vector< T >::erase(), RangeList< T, Reversed >::free(), Processor::halt(), Processor::isInitialised(), m_FreeIoPorts, m_Lock, m_UsedIoPorts, and IoPort::size().

Referenced by IoPort::free().

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void IoPortManager::freeIoPortList

(

Vector< IoPortInfo * > &

IoPorts

)

Free the I/O port list created with allocateIoPortList.

Parameters

[in,out]

IoPorts

container of the copy of the I/O ports

Definition at line 87 of file IoPortManager.cc.

References Vector< T >::count(), and Vector< T >::popBack().

Referenced by IoCommand::execute().

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void IoPortManager::initialise	(	io_port_t	ioPortBase,
		size_t	size
	)

Initialise the IoPortManager with an initial I/O range

Parameters

[in]	ioPortBase	base I/O port for the range
[in]	size	number of successive I/O ports - 1

Definition at line 100 of file IoPortManager.cc.

References RangeList< T, Reversed >::free(), and m_FreeIoPorts.

static IoPortManager& IoPortManager::instance ( )

inlinestatic

Get the instance of the I/O manager

Definition at line 44 of file IoPortManager.h.

References m_Instance.

Referenced by IoPort::allocate(), IoCommand::execute(), and IoPort::free().

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IoPortManager& IoPortManager::operator= ( const IoPortManager &  )

private

The assignment operator

Note

No implementation provided (IoPortManager is a singleton)

Member Data Documentation

RangeList<uint32_t> IoPortManager::m_FreeIoPorts

private

The list of free I/O ports

Definition at line 110 of file IoPortManager.h.

Referenced by allocate(), free(), and initialise().

IoPortManager IoPortManager::m_Instance

staticprivate

The IoPortManager instance

Definition at line 115 of file IoPortManager.h.

Referenced by instance().

Spinlock IoPortManager::m_Lock

private

Lock

Definition at line 107 of file IoPortManager.h.

Referenced by allocate(), allocateIoPortList(), and free().

Vector<IoPort *> IoPortManager::m_UsedIoPorts

private

The list of used I/O ports

Definition at line 112 of file IoPortManager.h.

Referenced by allocate(), allocateIoPortList(), and free().

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

• IoPortManager.h
• IoPortManager.cc