A9GlobalTimer::Timer Class Reference

#include <timer_a9global.hh>

Inheritance diagram for A9GlobalTimer::Timer:

Public Types
enum	{   CounterRegLow32 = 0x00, CounterRegHigh32 = 0x04, ControlReg = 0x08, IntStatusReg = 0x0C,   CmpValRegLow32 = 0x10, CmpValRegHigh32 = 0x14, AutoIncrementReg = 0x18, Size = 0x1C }

Public Member Functions
	BitUnion32 (CTRL) Bitfield< 0 > enable
void	counterAtCmpVal ()
	Called when the counter reaches the comparator. More...
void	restartCounter ()
	Restart the counter ticking. More...
uint64_t	getTimeCounterFromTicks (Tick ticks)
	Convert a number of ticks into the time counter format. More...
	Timer (std::string __name, A9GlobalTimer *parent, int int_num)
std::string	name () const
void	read (PacketPtr pkt, Addr daddr)
	Handle read for a single timer. More...
void	write (PacketPtr pkt, Addr daddr)
	Handle write for a single timer. More...
void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...
void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...
Public Member Functions inherited from Serializable
	Serializable ()
virtual	~Serializable ()
void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...
void	serializeSection (CheckpointOut &cp, const std::string &name) const
void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...
void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Attributes
Bitfield< 1 >	cmpEnable
Bitfield< 2 >	intEnable
Bitfield< 3 >	autoIncrement
Bitfield< 7, 4 >	reserved
Bitfield< 15, 8 >	prescalar
EndBitUnion(CTRL) protected A9GlobalTimer *	parent
	Pointer to parent class. More...
const uint32_t	intNum
	Number of interrupt to cause/clear. More...
CTRL	control
	Control register as specified above. More...
bool	rawInt
	If timer has caused an interrupt. More...
bool	pendingInt
	If an interrupt is currently pending. More...
uint64_t	cmpVal
	Value of the comparator. More...
uint32_t	autoIncValue
	Value to add to comparator when counter reaches comparator. More...
EventWrapper< Timer, &Timer::counterAtCmpVal >	cmpValEvent

Additional Inherited Members
Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Get the fully-qualified name of the active section. More...
static void	serializeAll (const std::string &cpt_dir)
static void	unserializeGlobals (CheckpointIn &cp)
Static Public Attributes inherited from Serializable
static int	ckptCount = 0
static int	ckptMaxCount = 0
static int	ckptPrevCount = -1

Detailed Description

Definition at line 58 of file timer_a9global.hh.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
CounterRegLow32
CounterRegHigh32
ControlReg
IntStatusReg
CmpValRegLow32
CmpValRegHigh32
AutoIncrementReg
Size

Definition at line 65 of file timer_a9global.hh.

Constructor & Destructor Documentation

Timer()

A9GlobalTimer::Timer::Timer	(	std::string	__name,
		A9GlobalTimer *	parent,
		int	int_num
	)

Definition at line 58 of file timer_a9global.cc.

Member Function Documentation

BitUnion32()

A9GlobalTimer::Timer::BitUnion32

(

CTRL

)

counterAtCmpVal()

void A9GlobalTimer::Timer::counterAtCmpVal

(

)

Called when the counter reaches the comparator.

Definition at line 233 of file timer_a9global.cc.

References autoIncValue, cmpVal, control, DPRINTF, A9GlobalTimer::gic, intNum, parent, pendingInt, rawInt, restartCounter(), and BaseGic::sendPPInt().

getTimeCounterFromTicks()

uint64_t A9GlobalTimer::Timer::getTimeCounterFromTicks

(

Tick

ticks

)

Convert a number of ticks into the time counter format.

Parameters

ticks

number of ticks

Definition at line 82 of file timer_a9global.cc.

References Clocked::clockPeriod(), control, and parent.

Referenced by read().

name()

std::string A9GlobalTimer::Timer::name ( ) const

inline

Definition at line 129 of file timer_a9global.hh.

References read(), serialize(), unserialize(), and write().

read()

void A9GlobalTimer::Timer::read	(	PacketPtr	pkt,
		Addr	daddr
	)

Handle read for a single timer.

Definition at line 88 of file timer_a9global.cc.

References AutoIncrementReg, autoIncValue, Clocked::clockPeriod(), cmpValEvent, CmpValRegHigh32, CmpValRegLow32, control, ControlReg, CounterRegHigh32, CounterRegLow32, curTick(), DPRINTF, Packet::getLE(), getTimeCounterFromTicks(), IntStatusReg, panic, parent, rawInt, and Packet::setLE().

Referenced by name(), A9GlobalTimer::params(), and A9GlobalTimer::read().

restartCounter()

void A9GlobalTimer::Timer::restartCounter

(

)

Restart the counter ticking.

Definition at line 212 of file timer_a9global.cc.

References Clocked::clockPeriod(), cmpVal, cmpValEvent, control, curTick(), EventManager::deschedule(), DPRINTF, parent, and EventManager::schedule().

Referenced by counterAtCmpVal(), and write().

serialize()

void A9GlobalTimer::Timer::serialize ( CheckpointOut &  cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 257 of file timer_a9global.cc.

References autoIncValue, cmpVal, cmpValEvent, control, DPRINTF, pendingInt, rawInt, and SERIALIZE_SCALAR.

Referenced by name(), A9GlobalTimer::params(), and A9GlobalTimer::serialize().

unserialize()

void A9GlobalTimer::Timer::unserialize ( CheckpointIn &  cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 280 of file timer_a9global.cc.

References autoIncValue, cmpVal, cmpValEvent, control, DPRINTF, parent, pendingInt, rawInt, EventManager::schedule(), and UNSERIALIZE_SCALAR.

Referenced by name(), A9GlobalTimer::params(), and A9GlobalTimer::unserialize().

write()

void A9GlobalTimer::Timer::write	(	PacketPtr	pkt,
		Addr	daddr
	)

Handle write for a single timer.

Definition at line 165 of file timer_a9global.cc.

References AutoIncrementReg, autoIncValue, BaseGic::clearInt(), cmpVal, CmpValRegHigh32, CmpValRegLow32, control, ControlReg, CounterRegHigh32, CounterRegLow32, DPRINTF, Packet::getLE(), A9GlobalTimer::gic, intNum, IntStatusReg, panic, parent, pendingInt, rawInt, restartCounter(), and ULL.

Referenced by name(), A9GlobalTimer::params(), and A9GlobalTimer::write().

Member Data Documentation

autoIncrement

Bitfield<3> A9GlobalTimer::Timer::autoIncrement

Definition at line 81 of file timer_a9global.hh.

autoIncValue

uint32_t A9GlobalTimer::Timer::autoIncValue

Value to add to comparator when counter reaches comparator.

Definition at line 113 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), read(), serialize(), unserialize(), and write().

cmpEnable

Bitfield<1> A9GlobalTimer::Timer::cmpEnable

Definition at line 79 of file timer_a9global.hh.

cmpVal

uint64_t A9GlobalTimer::Timer::cmpVal

Value of the comparator.

Definition at line 109 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), restartCounter(), serialize(), unserialize(), and write().

cmpValEvent

EventWrapper<Timer, &Timer::counterAtCmpVal> A9GlobalTimer::Timer::cmpValEvent

Definition at line 117 of file timer_a9global.hh.

Referenced by read(), restartCounter(), serialize(), and unserialize().

control

CTRL A9GlobalTimer::Timer::control

Control register as specified above.

Definition at line 97 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), getTimeCounterFromTicks(), read(), restartCounter(), serialize(), unserialize(), and write().

intEnable

Bitfield<2> A9GlobalTimer::Timer::intEnable

Definition at line 80 of file timer_a9global.hh.

intNum

const uint32_t A9GlobalTimer::Timer::intNum

Number of interrupt to cause/clear.

Definition at line 93 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), and write().

parent

EndBitUnion (CTRL) protected A9GlobalTimer* A9GlobalTimer::Timer::parent

Pointer to parent class.

Definition at line 84 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), getTimeCounterFromTicks(), read(), restartCounter(), unserialize(), and write().

pendingInt

bool A9GlobalTimer::Timer::pendingInt

If an interrupt is currently pending.

Logical and of CTRL.intEnable and rawInt

Definition at line 106 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), serialize(), unserialize(), and write().

prescalar

Bitfield<15,8> A9GlobalTimer::Timer::prescalar

Definition at line 83 of file timer_a9global.hh.

rawInt

bool A9GlobalTimer::Timer::rawInt

If timer has caused an interrupt.

This is irrespective of interrupt enable

Definition at line 102 of file timer_a9global.hh.

Referenced by counterAtCmpVal(), read(), serialize(), unserialize(), and write().

reserved

Bitfield<7,4> A9GlobalTimer::Timer::reserved

Definition at line 82 of file timer_a9global.hh.

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

• dev/arm/timer_a9global.hh
• dev/arm/timer_a9global.cc