Sp804::Timer Class Reference

#include <timer_sp804.hh>

Inheritance diagram for Sp804::Timer:

Public Types
enum	{   LoadReg = 0x00, CurrentReg = 0x04, ControlReg = 0x08, IntClear = 0x0C,   RawISR = 0x10, MaskedISR = 0x14, BGLoad = 0x18, Size = 0x20 }

Public Member Functions
	BitUnion32 (CTRL) Bitfield< 0 > oneShot
void	counterAtZero ()
	Called when the counter reaches 0. More...
void	restartCounter (uint32_t val)
	Restart the counter ticking at val. More...
	Timer (std::string __name, Sp804 *parent, int int_num, Tick clock)
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 >	timerSize
Bitfield< 3, 2 >	timerPrescale
Bitfield< 5 >	intEnable
Bitfield< 6 >	timerMode
Bitfield< 7 >	timerEnable
EndBitUnion(CTRL) protected Sp804 *	parent
	Pointer to parent class. More...
const uint32_t	intNum
	Number of interrupt to cause/clear. More...
const Tick	clock
	Number of ticks in a clock input. 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...
uint32_t	loadValue
	Value to load into counter when periodic mode reaches 0. More...
EventFunctionWrapper	zeroEvent

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 55 of file timer_sp804.hh.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
LoadReg
CurrentReg
ControlReg
IntClear
RawISR
MaskedISR
BGLoad
Size

Definition at line 59 of file timer_sp804.hh.

Constructor & Destructor Documentation

Timer()

Sp804::Timer::Timer	(	std::string	__name,
		Sp804 *	parent,
		int	int_num,
		Tick	clock
	)

Definition at line 57 of file timer_sp804.cc.

References counterAtZero(), and name().

Member Function Documentation

BitUnion32()

Sp804::Timer::BitUnion32

(

CTRL

)

counterAtZero()

void Sp804::Timer::counterAtZero

(

)

Called when the counter reaches 0.

Definition at line 197 of file timer_sp804.cc.

References control, DPRINTF, Sp804::gic, intNum, loadValue, parent, pendingInt, rawInt, restartCounter(), and BaseGic::sendInt().

Referenced by Timer().

name()

std::string Sp804::Timer::name ( ) const

inline

Definition at line 116 of file timer_sp804.hh.

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

Referenced by Timer().

read()

void Sp804::Timer::read	(	PacketPtr	pkt,
		Addr	daddr
	)

Handle read for a single timer.

Definition at line 85 of file timer_sp804.cc.

References BGLoad, clock, control, ControlReg, CurrentReg, curTick(), DPRINTF, Packet::getLE(), LoadReg, loadValue, MaskedISR, panic, pendingInt, power(), rawInt, RawISR, Packet::setLE(), Event::when(), and zeroEvent.

Referenced by name(), Sp804::params(), and Sp804::read().

restartCounter()

void Sp804::Timer::restartCounter

(

uint32_t

val

)

Restart the counter ticking at val.

Parameters

val	the value to start at (pre-16 bit masking if en)

Definition at line 176 of file timer_sp804.cc.

References bits(), clock, control, curTick(), EventManager::deschedule(), DPRINTF, parent, power(), EventManager::schedule(), Event::scheduled(), X86ISA::val, and zeroEvent.

Referenced by counterAtZero(), and write().

serialize()

void Sp804::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 224 of file timer_sp804.cc.

References control, DPRINTF, loadValue, pendingInt, rawInt, Event::scheduled(), SERIALIZE_SCALAR, Event::when(), and zeroEvent.

Referenced by name(), and Sp804::params().

unserialize()

void Sp804::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 246 of file timer_sp804.cc.

References control, DPRINTF, loadValue, parent, pendingInt, rawInt, EventManager::schedule(), UNSERIALIZE_SCALAR, and zeroEvent.

Referenced by name(), and Sp804::params().

write()

void Sp804::Timer::write	(	PacketPtr	pkt,
		Addr	daddr
	)

Handle write for a single timer.

Definition at line 139 of file timer_sp804.cc.

References BGLoad, BaseGic::clearInt(), control, ControlReg, CurrentReg, DPRINTF, Packet::getLE(), Sp804::gic, IntClear, intNum, LoadReg, loadValue, panic, parent, pendingInt, rawInt, and restartCounter().

Referenced by name(), Sp804::params(), and Sp804::write().

Member Data Documentation

clock

const Tick Sp804::Timer::clock

Number of ticks in a clock input.

Definition at line 89 of file timer_sp804.hh.

Referenced by read(), and restartCounter().

control

CTRL Sp804::Timer::control

Control register as specified above.

Definition at line 92 of file timer_sp804.hh.

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

intEnable

Bitfield<5> Sp804::Timer::intEnable

Definition at line 74 of file timer_sp804.hh.

intNum

const uint32_t Sp804::Timer::intNum

Number of interrupt to cause/clear.

Definition at line 86 of file timer_sp804.hh.

Referenced by counterAtZero(), and write().

loadValue

uint32_t Sp804::Timer::loadValue

Value to load into counter when periodic mode reaches 0.

Definition at line 103 of file timer_sp804.hh.

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

parent

EndBitUnion (CTRL) protected Sp804* Sp804::Timer::parent

Pointer to parent class.

Definition at line 77 of file timer_sp804.hh.

Referenced by counterAtZero(), restartCounter(), unserialize(), and write().

pendingInt

bool Sp804::Timer::pendingInt

If an interrupt is currently pending.

Logical and of CTRL.intEnable and rawInt

Definition at line 100 of file timer_sp804.hh.

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

rawInt

bool Sp804::Timer::rawInt

If timer has caused an interrupt.

This is irrespective of interrupt enable

Definition at line 96 of file timer_sp804.hh.

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

timerEnable

Bitfield<7> Sp804::Timer::timerEnable

Definition at line 76 of file timer_sp804.hh.

timerMode

Bitfield<6> Sp804::Timer::timerMode

Definition at line 75 of file timer_sp804.hh.

timerPrescale

Bitfield<3,2> Sp804::Timer::timerPrescale

Definition at line 73 of file timer_sp804.hh.

timerSize

Bitfield<1> Sp804::Timer::timerSize

Definition at line 72 of file timer_sp804.hh.

zeroEvent

EventFunctionWrapper Sp804::Timer::zeroEvent

Definition at line 107 of file timer_sp804.hh.

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

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

• dev/arm/timer_sp804.hh
• dev/arm/timer_sp804.cc