The Pedigree Project: HostedIrqManager Class Reference

The Pedigree Project 0.1

Inheritance diagram for HostedIrqManager:

Collaboration diagram for HostedIrqManager:

Public Member Functions
virtual irq_id_t	registerIsaIrqHandler (uint8_t irq, IrqHandler *handler, bool bEdge=false)

virtual irq_id_t	registerPciIrqHandler (IrqHandler handler, Device pDevice)

virtual void	acknowledgeIrq (irq_id_t Id)

virtual void	unregisterHandler (irq_id_t Id, IrqHandler *handler)

bool	initialise () INITIALISATION_ONLY

virtual void	tick ()

virtual bool	control (uint8_t irq, ControlCode code, size_t argument)

virtual void	enable (uint8_t irq, bool enable)

Static Public Member Functions
static HostedIrqManager &	instance ()

Private Member Functions
	HostedIrqManager () INITIALISATION_ONLY

virtual	~HostedIrqManager ()

	HostedIrqManager (const HostedIrqManager &)

HostedIrqManager &	operator= (const HostedIrqManager &)

virtual void	interrupt (size_t interruptNumber, InterruptState &state)

virtual	~InterruptHandler ()

Private Attributes
List< IrqHandler * >	m_Handler [2]

Spinlock	m_Lock

Static Private Attributes
static HostedIrqManager	m_Instance

Additional Inherited Members
Public Types inherited from IrqManager
enum	ControlCode { MitigationThreshold }

Protected Member Functions inherited from IrqManager
	IrqManager ()

virtual	~IrqManager ()

Detailed Description

Definition at line 31 of file kernel/machine/hosted/IrqManager.h.

Constructor & Destructor Documentation

HostedIrqManager::HostedIrqManager ( )

private

The default constructor

Definition at line 114 of file hosted/IrqManager.cc.

References List< T, nodePoolSize >::clear(), and m_Handler.

Referenced by instance(), and ~HostedIrqManager().

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virtual HostedIrqManager::~HostedIrqManager ( )

inlineprivatevirtual

The destructor

Definition at line 70 of file kernel/machine/hosted/IrqManager.h.

References HostedIrqManager(), interrupt(), and operator=().

HostedIrqManager::HostedIrqManager ( const HostedIrqManager & )

private

The copy-constructor

Note: NOT implemented

Member Function Documentation

void HostedIrqManager::acknowledgeIrq ( irq_id_t Id )

virtual

Acknoledge the IRQ reception, in case you returned false in the IrqHandler::irq() function. If this is not called there won't be any following irqs.

Parameters

[in] Id the irq's identifier

Implements IrqManager.

Definition at line 76 of file hosted/IrqManager.cc.

Referenced by instance().

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bool HostedIrqManager::control	(	uint8_t	irq,
		ControlCode	code,
		size_t	argument
	)

virtual

Controls specific elements of a given IRQ

Reimplemented from IrqManager.

Definition at line 44 of file hosted/IrqManager.cc.

Referenced by instance().

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bool HostedIrqManager::initialise ( )

Initialises the PIC hardware and registers the interrupts with the InterruptManager.

Returns: true, if successfull, false otherwise

Definition at line 96 of file hosted/IrqManager.cc.

References InterruptManager::instance(), and InterruptManager::registerInterruptHandler().

Referenced by HostedMachine::initialise(), and instance().

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static HostedIrqManager& HostedIrqManager::instance ( )

inlinestatic

Get the HostedIrqManager class instance

Returns: the HostedIrqManager class instance

Definition at line 36 of file kernel/machine/hosted/IrqManager.h.

References acknowledgeIrq(), control(), HostedIrqManager(), INITIALISATION_ONLY, initialise(), m_Instance, registerIsaIrqHandler(), registerPciIrqHandler(), tick(), and unregisterHandler().

Referenced by HostedMachine::getNumVga(), and HostedMachine::initialise().

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void HostedIrqManager::interrupt	(	size_t	nInterruptNumber,
		InterruptState &	state
	)

privatevirtual

Called when the handler is registered with the interrupt manager and the interrupt occurred

Parameters

[in]	nInterruptNumber	the interrupt number
[in]	state	reference to the state before the interrupt

Implements InterruptHandler.

Definition at line 122 of file hosted/IrqManager.cc.

References List< T, nodePoolSize >::end(), LIKELY, m_Handler, and NOTICE.

Referenced by ~HostedIrqManager().

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HostedIrqManager& HostedIrqManager::operator= ( const HostedIrqManager & )

private

The assignment operator

Note: NOT implemented

Referenced by ~HostedIrqManager().

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irq_id_t HostedIrqManager::registerIsaIrqHandler	(	uint8_t	irq,
		IrqHandler *	handler,
		bool	bEdge = `false`
	)

virtual

Register an ISA irq

Parameters

[in]	irq	the ISA irq number (from 0 to 15)
[in]	handler	pointer to the IrqHandler class
[in]	bEdge	whether this IRQ is edge triggered or not

Returns: the irq's identifier

Implements IrqManager.

Definition at line 49 of file hosted/IrqManager.cc.

References UNLIKELY.

Referenced by instance().

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irq_id_t HostedIrqManager::registerPciIrqHandler	(	IrqHandler *	handler,
		Device *	pDevice
	)

virtual

Register a PCI irq

Implements IrqManager.

Definition at line 62 of file hosted/IrqManager.cc.

References Device::getInterruptNumber(), and UNLIKELY.

Referenced by instance().

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void HostedIrqManager::tick ( )

virtual

Called every millisecond, typically handles IRQ mitigation.

Reimplemented from IrqManager.

Definition at line 40 of file hosted/IrqManager.cc.

Referenced by instance().

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void HostedIrqManager::unregisterHandler	(	irq_id_t	Id,
		IrqHandler *	handler
	)

virtual

Unregister a previously registered IrqHandler

Parameters

[in] Id the irq's identifier

Implements IrqManager.

Definition at line 80 of file hosted/IrqManager.cc.

References List< T, nodePoolSize >::end().

Referenced by instance().

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Member Data Documentation

List<IrqHandler *> HostedIrqManager::m_Handler[2]

private

The IRQ handler

Definition at line 86 of file kernel/machine/hosted/IrqManager.h.

Referenced by HostedIrqManager(), and interrupt().

HostedIrqManager HostedIrqManager::m_Instance

staticprivate

The HostedIrqManager instance

Definition at line 92 of file kernel/machine/hosted/IrqManager.h.

Referenced by instance().

Spinlock HostedIrqManager::m_Lock

private

Main lock for all modifications

Definition at line 89 of file kernel/machine/hosted/IrqManager.h.

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