#include <InterruptManager.h>

Inheritance diagram for HostedInterruptManager:

Collaboration diagram for HostedInterruptManager:

Public Member Functions
virtual bool	registerInterruptHandler (size_t nInterruptNumber, InterruptHandler *pHandler)

virtual bool	registerInterruptHandlerDebugger (size_t nInterruptNumber, InterruptHandler *pHandler)

virtual size_t	getBreakpointInterruptNumber () PURE

virtual size_t	getDebugInterruptNumber () PURE

void	signalShim (int which, void siginfo, void meta)

Static Public Member Functions
static HostedInterruptManager &	instance ()

static void	initialiseProcessor () INITIALISATION_ONLY

Static Public Member Functions inherited from InterruptManager
static InterruptManager &	instance ()

Private Member Functions
void	setInterruptGate (size_t nInterruptNumber, uintptr_t interruptHandler) INITIALISATION_ONLY

void	setIst (size_t nInterruptNumber, size_t ist)

	HostedInterruptManager () INITIALISATION_ONLY

	HostedInterruptManager (const HostedInterruptManager &)

HostedInterruptManager &	operator= (const HostedInterruptManager &)

virtual	~HostedInterruptManager ()

Static Private Member Functions
static void	interrupt (InterruptState &interruptState)

Private Attributes
Spinlock	m_Lock

InterruptHandler *	m_pHandler [MAX_SIGNAL]

InterruptHandler *	m_pDbgHandler [MAX_SIGNAL]

Static Private Attributes
static HostedInterruptManager	m_Instance

Additional Inherited Members
Protected Member Functions inherited from InterruptManager
	InterruptManager ()

virtual	~InterruptManager ()

Detailed Description

The interrupt manager on hosted systems

Definition at line 34 of file kernel/core/processor/hosted/InterruptManager.h.

Constructor & Destructor Documentation

HostedInterruptManager::HostedInterruptManager ( )

private

The constructor

Definition at line 240 of file hosted/InterruptManager.cc.

References m_pDbgHandler, and m_pHandler.

Referenced by instance().

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HostedInterruptManager::HostedInterruptManager ( const HostedInterruptManager & )

private

Copy constructor

Note: NOT implemented

HostedInterruptManager::~HostedInterruptManager ( )

privatevirtual

The destructor

Definition at line 252 of file hosted/InterruptManager.cc.

Referenced by instance().

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Member Function Documentation

size_t HostedInterruptManager::getBreakpointInterruptNumber ( )

virtual

Get the interrupt number of the breakpoint exception

Returns: the interrupt number of the breakpoint exception

Implements InterruptManager.

Definition at line 95 of file hosted/InterruptManager.cc.

Referenced by instance().

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size_t HostedInterruptManager::getDebugInterruptNumber ( )

virtual

Get the interrupt number of the debug exception

Returns: the interrupt number of the debug exception

Implements InterruptManager.

Definition at line 99 of file hosted/InterruptManager.cc.

Referenced by instance().

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void HostedInterruptManager::initialiseProcessor ( )

static

Initialises this processors IDTR

Note: This should only be called from Processor::initialise1() and Multiprocessor::applicationProcessorStartup()

Definition at line 225 of file hosted/InterruptManager.cc.

Referenced by Processor::initialisationDone(), and instance().

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static HostedInterruptManager& HostedInterruptManager::instance ( )

inlinestatic

Get the HostedInterruptManager class instance

Returns: instance of the HostedInterruptManager class

Definition at line 39 of file kernel/core/processor/hosted/InterruptManager.h.

References getBreakpointInterruptNumber(), getDebugInterruptNumber(), HostedInterruptManager(), INITIALISATION_ONLY, initialiseProcessor(), interrupt(), m_Instance, operator=(), PURE, registerInterruptHandler(), registerInterruptHandlerDebugger(), setInterruptGate(), setIst(), signalShim(), and ~HostedInterruptManager().

Referenced by interrupt().

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void HostedInterruptManager::interrupt ( InterruptState & interruptState )

staticprivate

Called when an interrupt was triggered

Parameters

[in] interruptState reference to the usermode/kernel state before the interrupt

Todo:: Provide a better entry point for system shutdown.

Definition at line 106 of file hosted/InterruptManager.cc.

References Thread::getParent(), Processor::information(), instance(), Debugger::instance(), InterruptHandler::interrupt(), LIKELY, panic(), Processor::reset(), signalShim(), Debugger::start(), Subsystem::threadException(), and UNLIKELY.

Referenced by instance().

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HostedInterruptManager& HostedInterruptManager::operator= ( const HostedInterruptManager & )

private

Assignment operator

Note: NOT implemented

Referenced by instance().

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bool HostedInterruptManager::registerInterruptHandler	(	size_t	nInterruptNumber,
		InterruptHandler *	pHandler
	)

virtual

Register an interrupt handler

Parameters

[in]	nInterruptNumber	the interrupt's number
[in]	pHandler	the interrupt handler

Returns: true, if successfully registered, false otherwise

Implements InterruptManager.

Definition at line 54 of file hosted/InterruptManager.cc.

References UNLIKELY.

Referenced by instance().

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bool HostedInterruptManager::registerInterruptHandlerDebugger	(	size_t	nInterruptNumber,
		InterruptHandler *	pHandler
	)

virtual

Register an interrupt handler (for the kernel debugger)

Parameters

[in]	nInterruptNumber	the interrupt's number
[in]	pHandler	the interrupt handler

Returns: true, if successfully registered, false otherwise

Implements InterruptManager.

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

References UNLIKELY.

Referenced by instance().

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void HostedInterruptManager::setInterruptGate	(	size_t	nInterruptNumber,
		uintptr_t	interruptHandler
	)

private

Sets up an interrupt gate

Parameters

[in]	interruptNumber	the interrupt number
[in]	interruptHandler	address of the assembler interrupt handler stub

Note: This function is defined in kernel/processor/ARCH/interrupt.cc

Referenced by instance().

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void HostedInterruptManager::setIst	(	size_t	nInterruptNumber,
		size_t	ist
	)

private

Sets the IST field for a given interrupt gate

Parameters

[in]	interruptNumber	the interrupt number
[in]	ist	IST index to use

Referenced by instance().

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void HostedInterruptManager::signalShim	(	int	which,
		void *	siginfo,
		void *	meta
	)

Signal handling shim for InterruptState protected access.

Definition at line 201 of file hosted/InterruptManager.cc.

References Processor::getInterrupts().

Referenced by instance(), and interrupt().

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Member Data Documentation

HostedInterruptManager HostedInterruptManager::m_Instance

staticprivate

The instance of the interrupt manager

Definition at line 101 of file kernel/core/processor/hosted/InterruptManager.h.

Referenced by instance().

Spinlock HostedInterruptManager::m_Lock

private

Spinlock protecting the member variables

Definition at line 91 of file kernel/core/processor/hosted/InterruptManager.h.

InterruptHandler* HostedInterruptManager::m_pDbgHandler[MAX_SIGNAL]

private

The debugger interrupt handlers

Definition at line 97 of file kernel/core/processor/hosted/InterruptManager.h.

Referenced by HostedInterruptManager().

InterruptHandler* HostedInterruptManager::m_pHandler[MAX_SIGNAL]

private

The normal interrupt handlers

Definition at line 94 of file kernel/core/processor/hosted/InterruptManager.h.

Referenced by HostedInterruptManager().

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

Public Member Functions

Static Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation