CpuLocalTimer::Timer Class Reference

#include <timer_cpulocal.hh>

Inheritance diagram for CpuLocalTimer::Timer:

Public Types
enum	{   TimerLoadReg = 0x00, TimerCounterReg = 0x04, TimerControlReg = 0x08, TimerIntStatusReg = 0x0C,   WatchdogLoadReg = 0x20, WatchdogCounterReg = 0x24, WatchdogControlReg = 0x28, WatchdogIntStatusReg = 0x2C,   WatchdogResetStatusReg = 0x30, WatchdogDisableReg = 0x34, Size = 0x38 }

Public Member Functions
	BitUnion32 (TimerCtrl) Bitfield< 0 > enable
	EndBitUnion (TimerCtrl) BitUnion32(WatchdogCtrl) Bitfield< 0 > enable
void	timerAtZero ()
	Called when the counter reaches 0. More...
void	watchdogAtZero ()
void	restartTimerCounter (uint32_t val)
	Restart the counter ticking at val. More...
void	restartWatchdogCounter (uint32_t val)
	Timer (const std::string &name, CpuLocalTimer *_parent, ArmInterruptPin *int_timer, ArmInterruptPin *int_watchdog)
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 >	autoReload
Bitfield< 2 >	intEnable
Bitfield< 7, 3 >	reserved
Bitfield< 15, 8 >	prescalar
Bitfield< 3 >	watchdogMode
Bitfield< 7, 4 >	reserved
EndBitUnion(WatchdogCtrl) protected CpuLocalTimer *	parent
	Pointer to parent class. More...
ArmInterruptPin *	intTimer
	Interrupt to cause/clear. More...
ArmInterruptPin *	intWatchdog
TimerCtrl	timerControl
	Control register as specified above. More...
WatchdogCtrl	watchdogControl
bool	rawIntTimer
	If timer has caused an interrupt. More...
bool	rawIntWatchdog
bool	rawResetWatchdog
uint32_t	watchdogDisableReg
bool	pendingIntTimer
	If an interrupt is currently pending. More...
bool	pendingIntWatchdog
uint32_t	timerLoadValue
	Value to load into counters when periodic mode reaches 0. More...
uint32_t	watchdogLoadValue
EventFunctionWrapper	timerZeroEvent
EventFunctionWrapper	watchdogZeroEvent

Friends
class	CpuLocalTimer

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 59 of file timer_cpulocal.hh.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
TimerLoadReg
TimerCounterReg
TimerControlReg
TimerIntStatusReg
WatchdogLoadReg
WatchdogCounterReg
WatchdogControlReg
WatchdogIntStatusReg
WatchdogResetStatusReg
WatchdogDisableReg
Size

Definition at line 63 of file timer_cpulocal.hh.

Constructor & Destructor Documentation

Timer()

CpuLocalTimer::Timer::Timer	(	const std::string &	name,
		CpuLocalTimer *	_parent,
		ArmInterruptPin *	int_timer,
		ArmInterruptPin *	int_watchdog
	)

Definition at line 76 of file timer_cpulocal.cc.

References name(), timerAtZero(), watchdogAtZero(), and watchdogZeroEvent.

Member Function Documentation

BitUnion32()

CpuLocalTimer::Timer::BitUnion32

(

TimerCtrl

)

EndBitUnion()

CpuLocalTimer::Timer::EndBitUnion

(

TimerCtrl

)

name()

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

inline

Definition at line 141 of file timer_cpulocal.hh.

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

Referenced by Timer().

read()

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

Handle read for a single timer.

Definition at line 112 of file timer_cpulocal.cc.

References Clocked::clockPeriod(), curTick(), DPRINTF, panic, parent, power(), rawIntTimer, rawIntWatchdog, rawResetWatchdog, Packet::setLE(), timerControl, TimerControlReg, TimerCounterReg, TimerIntStatusReg, TimerLoadReg, timerLoadValue, timerZeroEvent, watchdogControl, WatchdogControlReg, WatchdogCounterReg, WatchdogDisableReg, WatchdogIntStatusReg, WatchdogLoadReg, watchdogLoadValue, WatchdogResetStatusReg, watchdogZeroEvent, and Event::when().

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

restartTimerCounter()

void CpuLocalTimer::Timer::restartTimerCounter

(

uint32_t

val

)

Restart the counter ticking at val.

Parameters

val	the value to start at

Definition at line 266 of file timer_cpulocal.cc.

References Clocked::clockPeriod(), curTick(), EventManager::deschedule(), DPRINTF, parent, power(), EventManager::schedule(), Event::scheduled(), timerControl, timerZeroEvent, and X86ISA::val.

Referenced by timerAtZero(), and write().

restartWatchdogCounter()

void CpuLocalTimer::Timer::restartWatchdogCounter

(

uint32_t

val

)

Definition at line 284 of file timer_cpulocal.cc.

References Clocked::clockPeriod(), curTick(), EventManager::deschedule(), DPRINTF, parent, power(), EventManager::schedule(), Event::scheduled(), X86ISA::val, watchdogControl, and watchdogZeroEvent.

Referenced by watchdogAtZero(), and write().

serialize()

void CpuLocalTimer::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 357 of file timer_cpulocal.cc.

References DPRINTF, pendingIntTimer, pendingIntWatchdog, rawIntTimer, rawIntWatchdog, rawResetWatchdog, Event::scheduled(), SERIALIZE_SCALAR, timerControl, timerLoadValue, timerZeroEvent, watchdogControl, watchdogDisableReg, watchdogLoadValue, watchdogZeroEvent, and Event::when().

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

timerAtZero()

void CpuLocalTimer::Timer::timerAtZero

(

)

Called when the counter reaches 0.

Definition at line 303 of file timer_cpulocal.cc.

References DPRINTF, intTimer, pendingIntTimer, ArmInterruptPin::raise(), rawIntTimer, restartTimerCounter(), timerControl, and timerLoadValue.

Referenced by Timer().

unserialize()

void CpuLocalTimer::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 393 of file timer_cpulocal.cc.

References DPRINTF, parent, pendingIntTimer, pendingIntWatchdog, rawIntTimer, rawIntWatchdog, rawResetWatchdog, EventManager::schedule(), timerControl, timerLoadValue, timerZeroEvent, UNSERIALIZE_SCALAR, watchdogControl, watchdogDisableReg, watchdogLoadValue, and watchdogZeroEvent.

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

watchdogAtZero()

void CpuLocalTimer::Timer::watchdogAtZero

(

)

Definition at line 326 of file timer_cpulocal.cc.

References DPRINTF, fatal, intWatchdog, pendingIntWatchdog, ArmInterruptPin::raise(), rawIntWatchdog, rawResetWatchdog, restartWatchdogCounter(), watchdogControl, and watchdogLoadValue.

Referenced by Timer().

write()

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

Handle write for a single timer.

Definition at line 189 of file timer_cpulocal.cc.

References DPRINTF, Packet::getLE(), panic, pendingIntTimer, pendingIntWatchdog, rawIntTimer, rawIntWatchdog, rawResetWatchdog, restartTimerCounter(), restartWatchdogCounter(), timerControl, TimerControlReg, TimerCounterReg, TimerIntStatusReg, TimerLoadReg, timerLoadValue, watchdogControl, WatchdogControlReg, WatchdogCounterReg, WatchdogDisableReg, watchdogDisableReg, WatchdogIntStatusReg, WatchdogLoadReg, watchdogLoadValue, and WatchdogResetStatusReg.

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

Friends And Related Function Documentation

CpuLocalTimer

friend class CpuLocalTimer

friend

Definition at line 152 of file timer_cpulocal.hh.

Referenced by CpuLocalTimer::params(), and CpuLocalTimer::unserialize().

Member Data Documentation

autoReload

Bitfield< 1 > CpuLocalTimer::Timer::autoReload

Definition at line 79 of file timer_cpulocal.hh.

intEnable

Bitfield< 2 > CpuLocalTimer::Timer::intEnable

Definition at line 80 of file timer_cpulocal.hh.

intTimer

ArmInterruptPin* CpuLocalTimer::Timer::intTimer

Interrupt to cause/clear.

Definition at line 101 of file timer_cpulocal.hh.

Referenced by timerAtZero().

intWatchdog

ArmInterruptPin* CpuLocalTimer::Timer::intWatchdog

Definition at line 102 of file timer_cpulocal.hh.

Referenced by watchdogAtZero().

parent

EndBitUnion (WatchdogCtrl) protected CpuLocalTimer* CpuLocalTimer::Timer::parent

Pointer to parent class.

Definition at line 92 of file timer_cpulocal.hh.

Referenced by read(), restartTimerCounter(), restartWatchdogCounter(), and unserialize().

pendingIntTimer

bool CpuLocalTimer::Timer::pendingIntTimer

If an interrupt is currently pending.

Logical and of Timer or Watchdog Ctrl.enable and rawIntTimer or rawIntWatchdog

Definition at line 117 of file timer_cpulocal.hh.

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

pendingIntWatchdog

bool CpuLocalTimer::Timer::pendingIntWatchdog

Definition at line 118 of file timer_cpulocal.hh.

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

prescalar

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

Definition at line 82 of file timer_cpulocal.hh.

rawIntTimer

bool CpuLocalTimer::Timer::rawIntTimer

If timer has caused an interrupt.

This is irrespective of interrupt enable

Definition at line 110 of file timer_cpulocal.hh.

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

rawIntWatchdog

bool CpuLocalTimer::Timer::rawIntWatchdog

Definition at line 111 of file timer_cpulocal.hh.

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

rawResetWatchdog

bool CpuLocalTimer::Timer::rawResetWatchdog

Definition at line 112 of file timer_cpulocal.hh.

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

reserved [1/2]

Bitfield<7,3> CpuLocalTimer::Timer::reserved

Definition at line 81 of file timer_cpulocal.hh.

reserved [2/2]

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

Definition at line 90 of file timer_cpulocal.hh.

timerControl

TimerCtrl CpuLocalTimer::Timer::timerControl

Control register as specified above.

Definition at line 105 of file timer_cpulocal.hh.

Referenced by read(), restartTimerCounter(), serialize(), timerAtZero(), unserialize(), and write().

timerLoadValue

uint32_t CpuLocalTimer::Timer::timerLoadValue

Value to load into counters when periodic mode reaches 0.

Definition at line 121 of file timer_cpulocal.hh.

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

timerZeroEvent

EventFunctionWrapper CpuLocalTimer::Timer::timerZeroEvent

Definition at line 126 of file timer_cpulocal.hh.

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

watchdogControl

WatchdogCtrl CpuLocalTimer::Timer::watchdogControl

Definition at line 106 of file timer_cpulocal.hh.

Referenced by read(), restartWatchdogCounter(), serialize(), unserialize(), watchdogAtZero(), and write().

watchdogDisableReg

uint32_t CpuLocalTimer::Timer::watchdogDisableReg

Definition at line 113 of file timer_cpulocal.hh.

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

watchdogLoadValue

uint32_t CpuLocalTimer::Timer::watchdogLoadValue

Definition at line 122 of file timer_cpulocal.hh.

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

watchdogMode

Bitfield<3> CpuLocalTimer::Timer::watchdogMode

Definition at line 89 of file timer_cpulocal.hh.

watchdogZeroEvent

EventFunctionWrapper CpuLocalTimer::Timer::watchdogZeroEvent

Definition at line 129 of file timer_cpulocal.hh.

Referenced by read(), restartWatchdogCounter(), serialize(), Timer(), and unserialize().

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

• dev/arm/timer_cpulocal.hh
• dev/arm/timer_cpulocal.cc