gem5  v21.1.0.2
Public Types | Public Member Functions | Public Attributes | Friends | List of all members
gem5::CpuLocalTimer::Timer Class Reference

#include <timer_cpulocal.hh>

Inheritance diagram for gem5::CpuLocalTimer::Timer:
gem5::Serializable

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 gem5::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 CpuLocalTimerparent
 Pointer to parent class. More...
 
ArmInterruptPinintTimer
 Interrupt to cause/clear. More...
 
ArmInterruptPinintWatchdog
 
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 gem5::Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
 
static void generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
 Generate a checkpoint file so that the serialization can be routed to it. More...
 

Detailed Description

Definition at line 65 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 69 of file timer_cpulocal.hh.

Constructor & Destructor Documentation

◆ Timer()

gem5::CpuLocalTimer::Timer::Timer ( const std::string &  name,
CpuLocalTimer _parent,
ArmInterruptPin int_timer,
ArmInterruptPin int_watchdog 
)

Definition at line 79 of file timer_cpulocal.cc.

References timerAtZero().

Member Function Documentation

◆ BitUnion32()

gem5::CpuLocalTimer::Timer::BitUnion32 ( TimerCtrl  )

◆ EndBitUnion()

gem5::CpuLocalTimer::Timer::EndBitUnion ( TimerCtrl  )

◆ name()

std::string gem5::CpuLocalTimer::Timer::name ( ) const
inline

Definition at line 148 of file timer_cpulocal.hh.

References gem5::Named::_name.

◆ read()

void gem5::CpuLocalTimer::Timer::read ( PacketPtr  pkt,
Addr  daddr 
)

Handle read for a single timer.

Definition at line 115 of file timer_cpulocal.cc.

References gem5::curTick(), DPRINTF, panic, prescalar, and gem5::Packet::setLE().

◆ restartTimerCounter()

void gem5::CpuLocalTimer::Timer::restartTimerCounter ( uint32_t  val)

Restart the counter ticking at val.

Parameters
valthe value to start at

Definition at line 268 of file timer_cpulocal.cc.

References gem5::curTick(), DPRINTF, and gem5::X86ISA::val.

◆ restartWatchdogCounter()

void gem5::CpuLocalTimer::Timer::restartWatchdogCounter ( uint32_t  val)

Definition at line 286 of file timer_cpulocal.cc.

References gem5::curTick(), DPRINTF, and gem5::X86ISA::val.

◆ serialize()

void gem5::CpuLocalTimer::Timer::serialize ( CheckpointOut cp) const
overridevirtual

Serialize an object.

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

Parameters
cpCheckpoint state

Implements gem5::Serializable.

Definition at line 359 of file timer_cpulocal.cc.

References DPRINTF, and SERIALIZE_SCALAR.

◆ timerAtZero()

void gem5::CpuLocalTimer::Timer::timerAtZero ( )

Called when the counter reaches 0.

Definition at line 305 of file timer_cpulocal.cc.

References DPRINTF.

Referenced by Timer().

◆ unserialize()

void gem5::CpuLocalTimer::Timer::unserialize ( CheckpointIn cp)
overridevirtual

Unserialize an object.

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

Parameters
cpCheckpoint state

Implements gem5::Serializable.

Definition at line 395 of file timer_cpulocal.cc.

References DPRINTF, and UNSERIALIZE_SCALAR.

◆ watchdogAtZero()

void gem5::CpuLocalTimer::Timer::watchdogAtZero ( )

Definition at line 328 of file timer_cpulocal.cc.

References DPRINTF, and fatal.

◆ write()

void gem5::CpuLocalTimer::Timer::write ( PacketPtr  pkt,
Addr  daddr 
)

Handle write for a single timer.

Definition at line 191 of file timer_cpulocal.cc.

References DPRINTF, gem5::Packet::getLE(), and panic.

Friends And Related Function Documentation

◆ CpuLocalTimer

friend class CpuLocalTimer
friend

Definition at line 159 of file timer_cpulocal.hh.

Member Data Documentation

◆ autoReload

Bitfield< 1 > gem5::CpuLocalTimer::Timer::autoReload

Definition at line 86 of file timer_cpulocal.hh.

◆ intEnable

Bitfield< 2 > gem5::CpuLocalTimer::Timer::intEnable

Definition at line 87 of file timer_cpulocal.hh.

◆ intTimer

ArmInterruptPin* gem5::CpuLocalTimer::Timer::intTimer

Interrupt to cause/clear.

Definition at line 108 of file timer_cpulocal.hh.

◆ intWatchdog

ArmInterruptPin* gem5::CpuLocalTimer::Timer::intWatchdog

Definition at line 109 of file timer_cpulocal.hh.

◆ parent

EndBitUnion (WatchdogCtrl) protected CpuLocalTimer* gem5::CpuLocalTimer::Timer::parent

Pointer to parent class.

Definition at line 99 of file timer_cpulocal.hh.

◆ pendingIntTimer

bool gem5::CpuLocalTimer::Timer::pendingIntTimer

If an interrupt is currently pending.

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

Definition at line 124 of file timer_cpulocal.hh.

◆ pendingIntWatchdog

bool gem5::CpuLocalTimer::Timer::pendingIntWatchdog

Definition at line 125 of file timer_cpulocal.hh.

◆ prescalar

Bitfield< 15, 8 > gem5::CpuLocalTimer::Timer::prescalar

Definition at line 89 of file timer_cpulocal.hh.

Referenced by read().

◆ rawIntTimer

bool gem5::CpuLocalTimer::Timer::rawIntTimer

If timer has caused an interrupt.

This is irrespective of interrupt enable

Definition at line 117 of file timer_cpulocal.hh.

◆ rawIntWatchdog

bool gem5::CpuLocalTimer::Timer::rawIntWatchdog

Definition at line 118 of file timer_cpulocal.hh.

◆ rawResetWatchdog

bool gem5::CpuLocalTimer::Timer::rawResetWatchdog

Definition at line 119 of file timer_cpulocal.hh.

◆ reserved [1/2]

Bitfield<7,3> gem5::CpuLocalTimer::Timer::reserved

Definition at line 88 of file timer_cpulocal.hh.

◆ reserved [2/2]

Bitfield<7,4> gem5::CpuLocalTimer::Timer::reserved

Definition at line 97 of file timer_cpulocal.hh.

◆ timerControl

TimerCtrl gem5::CpuLocalTimer::Timer::timerControl

Control register as specified above.

Definition at line 112 of file timer_cpulocal.hh.

◆ timerLoadValue

uint32_t gem5::CpuLocalTimer::Timer::timerLoadValue

Value to load into counters when periodic mode reaches 0.

Definition at line 128 of file timer_cpulocal.hh.

◆ timerZeroEvent

EventFunctionWrapper gem5::CpuLocalTimer::Timer::timerZeroEvent

Definition at line 133 of file timer_cpulocal.hh.

◆ watchdogControl

WatchdogCtrl gem5::CpuLocalTimer::Timer::watchdogControl

Definition at line 113 of file timer_cpulocal.hh.

◆ watchdogDisableReg

uint32_t gem5::CpuLocalTimer::Timer::watchdogDisableReg

Definition at line 120 of file timer_cpulocal.hh.

◆ watchdogLoadValue

uint32_t gem5::CpuLocalTimer::Timer::watchdogLoadValue

Definition at line 129 of file timer_cpulocal.hh.

◆ watchdogMode

Bitfield<3> gem5::CpuLocalTimer::Timer::watchdogMode

Definition at line 96 of file timer_cpulocal.hh.

◆ watchdogZeroEvent

EventFunctionWrapper gem5::CpuLocalTimer::Timer::watchdogZeroEvent

Definition at line 136 of file timer_cpulocal.hh.


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

Generated on Tue Sep 21 2021 12:27:29 for gem5 by doxygen 1.8.17