The Pedigree Project: NMFaultHandler Class Reference

The Pedigree Project 0.1

#include <NMFaultHandler.h>

Inheritance diagram for NMFaultHandler:

Collaboration diagram for NMFaultHandler:

Public Member Functions
bool	initialise ()

bool	initialiseProcessor ()

virtual void	interrupt (size_t interruptNumber, InterruptState &state)

void	threadTerminated (class Thread *)

Static Public Member Functions
static NMFaultHandler &	instance ()

static EXPORTED_PUBLIC bool	saveCurrentThreadFpuState (void *buffer, bool resetForSignalHandler)

static EXPORTED_PUBLIC bool	restoreCurrentThreadFpuState (const void *buffer)

static bool	inheritCurrentThreadFpuState (class Thread *thread)

Private Member Functions
	NMFaultHandler () INITIALISATION_ONLY

	NMFaultHandler (const NMFaultHandler &)

virtual	~InterruptHandler ()

Static Private Attributes
static NMFaultHandler	m_Instance

Detailed Description

The x86 Device Not Present(NM) Exception handler.

Definition at line 32 of file NMFaultHandler.h.

Constructor & Destructor Documentation

◆ NMFaultHandler() [1/2]

NMFaultHandler::NMFaultHandler ( )

private

The default constructor.

Definition at line 301 of file NMFaultHandler.cc.

◆ NMFaultHandler() [2/2]

NMFaultHandler::NMFaultHandler ( const NMFaultHandler & )

private

The copy constructor. Note not implemented.

Member Function Documentation

◆ inheritCurrentThreadFpuState()

bool NMFaultHandler::inheritCurrentThreadFpuState ( class Thread * thread )

static

Seed a new thread with the current thread's floating-point image.

Definition at line 241 of file NMFaultHandler.cc.

References saveCurrentThreadFpuState(), and Thread::state().

Referenced by Thread::Thread().

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◆ initialise()

bool NMFaultHandler::initialise ( )

Register the NMFaultHandler with the InterruptManager.

Returns: true if sucessful, false otherwise.

Definition at line 83 of file NMFaultHandler.cc.

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

◆ initialiseProcessor()

bool NMFaultHandler::initialiseProcessor ( )

Initialise the current processor's floating point state.

Definition at line 92 of file NMFaultHandler.cc.

References Spinlock::acquire(), X86CommonProcessor::cpuid(), and Spinlock::release().

Referenced by initialise().

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◆ instance()

static NMFaultHandler & NMFaultHandler::instance ( )

inlinestatic

Get the NMFaultHandler instance

Returns: the NMFaultHandler instance.

Definition at line 36 of file NMFaultHandler.h.

References m_Instance.

Referenced by Thread::~Thread().

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◆ interrupt()

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

virtual

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 257 of file NMFaultHandler.cc.

References ProcessorBase::information(), and Thread::state().

◆ restoreCurrentThreadFpuState()

bool NMFaultHandler::restoreCurrentThreadFpuState ( const void * buffer )

static

Restore the current thread's legacy FXSAVE image.

Definition at line 201 of file NMFaultHandler.cc.

References ProcessorBase::getInterrupts(), ProcessorBase::information(), ProcessorBase::setInterrupts(), and Thread::state().

◆ saveCurrentThreadFpuState()

bool NMFaultHandler::saveCurrentThreadFpuState	(	void *	buffer,
		bool	resetForSignalHandler
	)

static

Save the current thread's legacy FXSAVE image. When requested, install the initial image for a signal handler without losing the saved image.

Definition at line 157 of file NMFaultHandler.cc.

References ProcessorBase::getInterrupts(), ProcessorBase::information(), ProcessorBase::setInterrupts(), and Thread::state().

Referenced by inheritCurrentThreadFpuState().

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◆ threadTerminated()

void NMFaultHandler::threadTerminated ( class Thread * pThread )

Definition at line 303 of file NMFaultHandler.cc.

Member Data Documentation

◆ m_Instance

NMFaultHandler NMFaultHandler::m_Instance

staticprivate

The NMFaultHandler instance

Definition at line 76 of file NMFaultHandler.h.

Referenced by instance().

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