Common base class for Event and GlobalEvent, so they can share flag and priority definitions and accessor functions. More...

#include <eventq.hh>

Inheritance diagram for EventBase:

Public Types
typedef int8_t	Priority

Static Public Attributes
static const Priority	Minimum_Pri = SCHAR_MIN
	Event priorities, to provide tie-breakers for events scheduled at the same cycle. More...

static const Priority	Debug_Enable_Pri = -101
	If we enable tracing on a particular cycle, do that as the very first thing so we don't miss any of the events on that cycle (even if we enter the debugger). More...

static const Priority	Debug_Break_Pri = -100
	Breakpoints should happen before anything else (except enabling trace output), so we don't miss any action when debugging. More...

static const Priority	CPU_Switch_Pri = -31
	CPU switches schedule the new CPU's tick event for the same cycle (after unscheduling the old CPU's tick event). More...

static const Priority	Delayed_Writeback_Pri = -1
	For some reason "delayed" inter-cluster writebacks are scheduled before regular writebacks (which have default priority). More...

static const Priority	Default_Pri = 0
	Default is zero for historical reasons. More...

static const Priority	DVFS_Update_Pri = 31
	DVFS update event leads to stats dump therefore given a lower priority to ensure all relevant states have been updated. More...

static const Priority	Serialize_Pri = 32
	Serailization needs to occur before tick events also, so that a serialize/unserialize is identical to an on-line CPU switch. More...

static const Priority	CPU_Tick_Pri = 50
	CPU ticks must come after other associated CPU events (such as writebacks). More...

static const Priority	Stat_Event_Pri = 90
	Statistics events (dump, reset, etc.) come after everything else, but before exit. More...

static const Priority	Progress_Event_Pri = 95
	Progress events come at the end. More...

static const Priority	Sim_Exit_Pri = 100
	If we want to exit on this cycle, it's the very last thing we do. More...

static const Priority	Maximum_Pri = SCHAR_MAX
	Maximum priority. More...

Protected Types
typedef unsigned short	FlagsType

typedef ::Flags< FlagsType >	Flags

Static Protected Attributes
static const FlagsType	PublicRead = 0x003f

static const FlagsType	PublicWrite = 0x001d

static const FlagsType	Squashed = 0x0001

static const FlagsType	Scheduled = 0x0002

static const FlagsType	Managed = 0x0004

static const FlagsType	AutoDelete = Managed

static const FlagsType	Reserved0 = 0x0008
	This used to be AutoSerialize. More...

static const FlagsType	IsExitEvent = 0x0010

static const FlagsType	IsMainQueue = 0x0020

static const FlagsType	Initialized = 0x7a40

static const FlagsType	InitMask = 0xffc0

Detailed Description

Common base class for Event and GlobalEvent, so they can share flag and priority definitions and accessor functions.

This class should not be used directly.

Definition at line 92 of file eventq.hh.

Member Typedef Documentation

typedef ::Flags<FlagsType> EventBase::Flags

protected

Definition at line 96 of file eventq.hh.

typedef unsigned short EventBase::FlagsType

protected

Definition at line 95 of file eventq.hh.

typedef int8_t EventBase::Priority

Definition at line 116 of file eventq.hh.

Member Data Documentation

const FlagsType EventBase::AutoDelete = Managed

staticprotected

Definition at line 103 of file eventq.hh.

Referenced by EventWrapper< PacketQueue,&PacketQueue::processSendEvent >::EventWrapper(), ComputeUnit::DataPort::MemReqEvent::MemReqEvent(), ComputeUnit::DataPort::MemRespEvent::MemRespEvent(), and BaseGlobalEvent::BarrierEvent::~BarrierEvent().

const Priority EventBase::CPU_Switch_Pri = -31

static

CPU switches schedule the new CPU's tick event for the same cycle (after unscheduling the old CPU's tick event).

The switch needs to come before any tick events to make sure we don't tick both CPUs in the same cycle.

Definition at line 140 of file eventq.hh.

const Priority EventBase::CPU_Tick_Pri = 50

static

CPU ticks must come after other associated CPU events (such as writebacks).

Definition at line 161 of file eventq.hh.

const Priority EventBase::Debug_Break_Pri = -100

static

Breakpoints should happen before anything else (except enabling trace output), so we don't miss any action when debugging.

Definition at line 134 of file eventq.hh.

const Priority EventBase::Debug_Enable_Pri = -101

static

If we enable tracing on a particular cycle, do that as the very first thing so we don't miss any of the events on that cycle (even if we enter the debugger).

Definition at line 129 of file eventq.hh.

const Priority EventBase::Default_Pri = 0

static

Default is zero for historical reasons.

Definition at line 148 of file eventq.hh.

Referenced by pybind_init_event().

const Priority EventBase::Delayed_Writeback_Pri = -1

static

For some reason "delayed" inter-cluster writebacks are scheduled before regular writebacks (which have default priority).

Steve?

Definition at line 145 of file eventq.hh.

const Priority EventBase::DVFS_Update_Pri = 31

static

DVFS update event leads to stats dump therefore given a lower priority to ensure all relevant states have been updated.

Definition at line 152 of file eventq.hh.

const FlagsType EventBase::Initialized = 0x7a40

staticprotected

Definition at line 112 of file eventq.hh.

Referenced by Event::initialized().

const FlagsType EventBase::InitMask = 0xffc0

staticprotected

Definition at line 113 of file eventq.hh.

Referenced by Event::initialized().

const FlagsType EventBase::IsExitEvent = 0x0010

staticprotected

Definition at line 110 of file eventq.hh.

Referenced by Event::isExitEvent().

const FlagsType EventBase::IsMainQueue = 0x0020

staticprotected

Definition at line 111 of file eventq.hh.

Referenced by EventQueue::serviceOne().

const FlagsType EventBase::Managed = 0x0004

staticprotected

Definition at line 102 of file eventq.hh.

Referenced by Event::acquire(), Event::isManaged(), Event::release(), and EventQueue::serviceOne().

const Priority EventBase::Maximum_Pri = SCHAR_MAX

static

Maximum priority.

Definition at line 175 of file eventq.hh.

const Priority EventBase::Minimum_Pri = SCHAR_MIN

static

Event priorities, to provide tie-breakers for events scheduled at the same cycle.

Most events are scheduled at the default priority; these values are used to control events that need to be ordered within a cycle. Minimum priority

Definition at line 124 of file eventq.hh.

const Priority EventBase::Progress_Event_Pri = 95

static

Progress events come at the end.

Definition at line 168 of file eventq.hh.

Referenced by simulate().

const FlagsType EventBase::PublicRead = 0x003f

staticprotected

Definition at line 98 of file eventq.hh.

Referenced by Event::getFlags(), and Event::isFlagSet().

const FlagsType EventBase::PublicWrite = 0x001d

staticprotected

Definition at line 99 of file eventq.hh.

Referenced by Event::clearFlags(), Event::Event(), and Event::setFlags().

const FlagsType EventBase::Reserved0 = 0x0008

staticprotected

This used to be AutoSerialize.

This value can't be reused without changing the checkpoint version since the flag field gets serialized.

Definition at line 109 of file eventq.hh.

const FlagsType EventBase::Scheduled = 0x0002

staticprotected

Definition at line 101 of file eventq.hh.

Referenced by EventQueue::checkpointReschedule(), EventQueue::deschedule(), EventQueue::reschedule(), EventQueue::schedule(), Event::scheduled(), and EventQueue::serviceOne().

const Priority EventBase::Serialize_Pri = 32

static

Serailization needs to occur before tick events also, so that a serialize/unserialize is identical to an on-line CPU switch.

Definition at line 157 of file eventq.hh.

const Priority EventBase::Sim_Exit_Pri = 100

static

If we want to exit on this cycle, it's the very last thing we do.

Definition at line 172 of file eventq.hh.

const FlagsType EventBase::Squashed = 0x0001

staticprotected

Definition at line 100 of file eventq.hh.

Referenced by EventQueue::deschedule(), EventQueue::reschedule(), EventQueue::serviceOne(), Event::squash(), and Event::squashed().

const Priority EventBase::Stat_Event_Pri = 90

static

Statistics events (dump, reset, etc.) come after everything else, but before exit.

Definition at line 165 of file eventq.hh.

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

sim/eventq.hh

Public Types

Static Public Attributes

Protected Types

Static Protected Attributes

Detailed Description

Member Typedef Documentation

Member Data Documentation