Inheritance diagram for VirtSchedulerTimer:

Collaboration diagram for VirtSchedulerTimer:

Public Member Functions
bool	initialise ()

void	uninitialise ()

bool	registerHandler (SchedulerTimerHandler *handler) override

bool	removeHandler (SchedulerTimerHandler *handler) override

uint64_t	nominalQuantumNs () const override

Public Member Functions inherited from SchedulerTimer
virtual bool	supportsOneShot () const

virtual bool	armDeadline (uint64_t)

virtual void	disarm ()

Static Public Member Functions
static VirtSchedulerTimer &	instance ()

Private Member Functions
void	schedulerIrq (irq_id_t number, InterruptState &state) override

uint64_t	counter () const

uint64_t	ticksToNanoseconds (uint64_t ticks) const

Private Attributes
SchedulerTimerHandlerSlot	m_Handler

uint64_t	m_Frequency

uint64_t	m_LastCount

uint32_t	m_IntervalTicks

irq_id_t	m_IrqId

bool	m_Initialised

Static Private Attributes
static VirtSchedulerTimer	m_Instance

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

virtual	~SchedulerTimer ()

Static Protected Member Functions inherited from SchedulerTimer
static bool	canRemoveHandlerInCurrentContext ()

Detailed Description

Definition at line 15 of file kernel/machine/mach_virt/SchedulerTimer.h.

Constructor & Destructor Documentation

◆ VirtSchedulerTimer()

VirtSchedulerTimer::VirtSchedulerTimer ( )

private

Definition at line 29 of file mach_virt/SchedulerTimer.cc.

◆ ~VirtSchedulerTimer()

VirtSchedulerTimer::~VirtSchedulerTimer ( )

overrideprivate

Definition at line 37 of file mach_virt/SchedulerTimer.cc.

Member Function Documentation

◆ counter()

uint64_t VirtSchedulerTimer::counter ( ) const

private

Definition at line 41 of file mach_virt/SchedulerTimer.cc.

◆ initialise()

bool VirtSchedulerTimer::initialise ( )

Definition at line 50 of file mach_virt/SchedulerTimer.cc.

◆ instance()

VirtSchedulerTimer & VirtSchedulerTimer::instance ( )

static

Definition at line 25 of file mach_virt/SchedulerTimer.cc.

◆ nominalQuantumNs()

uint64_t VirtSchedulerTimer::nominalQuantumNs ( ) const

overridevirtual

Implements SchedulerTimer.

Definition at line 98 of file mach_virt/SchedulerTimer.cc.

◆ registerHandler()

bool VirtSchedulerTimer::registerHandler ( SchedulerTimerHandler * handler )

overridevirtual

Publish the sole hard scheduler-tick owner for the calling processor. Registration, dispatch, and removal are processor-local operations.

Implements SchedulerTimer.

Definition at line 90 of file mach_virt/SchedulerTimer.cc.

References ProcessorBase::id(), and SchedulerTimerHandlerSlot::publish().

◆ removeHandler()

bool VirtSchedulerTimer::removeHandler ( SchedulerTimerHandler * handler )

overridevirtual

Remove the calling processor's exact current owner.

A successful return is a callback-lifetime barrier: the processor's timer hard frame cannot overlap ordinary removal, and later frames no longer admit the callback. Cross-processor removal is rejected and returns false; callers must arrange teardown on the registered CPU in IRQ-enabled ordinary thread context. The callback's scoped dispatch admission rejects self-removal; hard and synthetic interrupt contexts are rejected before unpublication.

Implements SchedulerTimer.

Definition at line 94 of file mach_virt/SchedulerTimer.cc.

References SchedulerTimer::canRemoveHandlerInCurrentContext(), ProcessorBase::id(), and SchedulerTimerHandlerSlot::unpublish().