gem5  v20.1.0.0
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MemCheckerMonitor Class Reference

Implements a MemChecker monitor, to be inserted between two ports. More...

#include <mem_checker_monitor.hh>

Inheritance diagram for MemCheckerMonitor:
SimObject EventManager Serializable Drainable Stats::Group

Classes

struct  MemCheckerMonitorSenderState
 
class  MonitorRequestPort
 This is the request port of the communication monitor. More...
 
class  MonitorResponsePort
 This is the response port of the communication monitor. More...
 

Public Types

typedef MemCheckerMonitorParams Params
 Parameters of memchecker monitor. More...
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

const Paramsparams () const
 
 MemCheckerMonitor (Params *params)
 Constructor based on the Python params. More...
 
 ~MemCheckerMonitor ()
 Destructor. More...
 
PortgetPort (const std::string &if_name, PortID idx=InvalidPortID) override
 Get a port with a given name and index. More...
 
void init () override
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
- Public Member Functions inherited from SimObject
const Paramsparams () const
 
 SimObject (const Params *_params)
 
virtual ~SimObject ()
 
virtual const std::string name () const
 
virtual void loadState (CheckpointIn &cp)
 loadState() is called on each SimObject when restoring from a checkpoint. More...
 
virtual void initState ()
 initState() is called on each SimObject when not restoring from a checkpoint. More...
 
virtual void regProbePoints ()
 Register probe points for this object. More...
 
virtual void regProbeListeners ()
 Register probe listeners for this object. More...
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
 
virtual void startup ()
 startup() is the final initialization call before simulation. More...
 
DrainState drain () override
 Provide a default implementation of the drain interface for objects that don't need draining. More...
 
virtual void memWriteback ()
 Write back dirty buffers to memory using functional writes. More...
 
virtual void memInvalidate ()
 Invalidate the contents of memory buffers. 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 EventManager
EventQueueeventQueue () const
 
void schedule (Event &event, Tick when)
 
void deschedule (Event &event)
 
void reschedule (Event &event, Tick when, bool always=false)
 
void schedule (Event *event, Tick when)
 
void deschedule (Event *event)
 
void reschedule (Event *event, Tick when, bool always=false)
 
void wakeupEventQueue (Tick when=(Tick) -1)
 This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More...
 
void setCurTick (Tick newVal)
 
 EventManager (EventManager &em)
 Event manger manages events in the event queue. More...
 
 EventManager (EventManager *em)
 
 EventManager (EventQueue *eq)
 
- 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 Member Functions inherited from Drainable
DrainState drainState () const
 Return the current drain state of an object. More...
 
virtual void notifyFork ()
 Notify a child process of a fork. More...
 
- Public Member Functions inherited from Stats::Group
 Group (Group *parent, const char *name=nullptr)
 Construct a new statistics group. More...
 
virtual ~Group ()
 
virtual void regStats ()
 Callback to set stat parameters. More...
 
virtual void resetStats ()
 Callback to reset stats. More...
 
virtual void preDumpStats ()
 Callback before stats are dumped. More...
 
void addStat (Stats::Info *info)
 Register a stat with this group. More...
 
const std::map< std::string, Group * > & getStatGroups () const
 Get all child groups associated with this object. More...
 
const std::vector< Info * > & getStats () const
 Get all stats associated with this object. More...
 
void addStatGroup (const char *name, Group *block)
 Add a stat block as a child of this block. More...
 
const InforesolveStat (std::string name) const
 Resolve a stat by its name within this group. More...
 
 Group ()=delete
 
 Group (const Group &)=delete
 
Groupoperator= (const Group &)=delete
 

Private Member Functions

void recvFunctional (PacketPtr pkt)
 
void recvFunctionalSnoop (PacketPtr pkt)
 
Tick recvAtomic (PacketPtr pkt)
 
Tick recvAtomicSnoop (PacketPtr pkt)
 
bool recvTimingReq (PacketPtr pkt)
 
bool recvTimingResp (PacketPtr pkt)
 
void recvTimingSnoopReq (PacketPtr pkt)
 
bool recvTimingSnoopResp (PacketPtr pkt)
 
AddrRangeList getAddrRanges () const
 
bool isSnooping () const
 
void recvReqRetry ()
 
void recvRespRetry ()
 
void recvRangeChange ()
 

Private Attributes

MonitorRequestPort memSidePort
 Instance of request port, facing the memory side. More...
 
MonitorResponsePort cpuSidePort
 Instance of response port, i.e. More...
 
bool warnOnly
 
MemCheckermemchecker
 

Additional Inherited Members

- Static Public Member Functions inherited from SimObject
static void serializeAll (CheckpointOut &cp)
 Serialize all SimObjects in the system. More...
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
 
- Static Public Member Functions inherited from Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
 
static void serializeAll (const std::string &cpt_dir)
 Serializes all the SimObjects. More...
 
static void unserializeGlobals (CheckpointIn &cp)
 
- Protected Member Functions inherited from Drainable
 Drainable ()
 
virtual ~Drainable ()
 
virtual void drainResume ()
 Resume execution after a successful drain. More...
 
void signalDrainDone () const
 Signal that an object is drained. More...
 
- Protected Attributes inherited from SimObject
const SimObjectParams * _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Detailed Description

Implements a MemChecker monitor, to be inserted between two ports.

Definition at line 50 of file mem_checker_monitor.hh.

Member Typedef Documentation

◆ Params

typedef MemCheckerMonitorParams MemCheckerMonitor::Params

Parameters of memchecker monitor.

Definition at line 55 of file mem_checker_monitor.hh.

Constructor & Destructor Documentation

◆ MemCheckerMonitor()

MemCheckerMonitor::MemCheckerMonitor ( Params params)

Constructor based on the Python params.

Parameters
paramsPython parameters

Definition at line 47 of file mem_checker_monitor.cc.

◆ ~MemCheckerMonitor()

MemCheckerMonitor::~MemCheckerMonitor ( )

Destructor.

Definition at line 55 of file mem_checker_monitor.cc.

Member Function Documentation

◆ getAddrRanges()

AddrRangeList MemCheckerMonitor::getAddrRanges ( ) const
private

◆ getPort()

Port & MemCheckerMonitor::getPort ( const std::string &  if_name,
PortID  idx = InvalidPortID 
)
overridevirtual

Get a port with a given name and index.

This is used at binding time and returns a reference to a protocol-agnostic port.

gem5 has a request and response port interface. All memory objects are connected together via ports. These ports provide a rigid interface between these memory objects. These ports implement three different memory system modes: timing, atomic, and functional. The most important mode is the timing mode and here timing mode is used for conducting cycle-level timing experiments. The other modes are only used in special circumstances and should not be used to conduct cycle-level timing experiments. The other modes are only used in special circumstances. These ports allow SimObjects to communicate with each other.

Parameters
if_namePort name
idxIndex in the case of a VectorPort
Returns
A reference to the given port

Reimplemented from SimObject.

Definition at line 73 of file mem_checker_monitor.cc.

References cpuSidePort, SimObject::getPort(), and memSidePort.

◆ init()

void MemCheckerMonitor::init ( )
overridevirtual

init() is called after all C++ SimObjects have been created and all ports are connected.

Initializations that are independent of unserialization but rely on a fully instantiated and connected SimObject graph should be done here.

Reimplemented from SimObject.

Definition at line 65 of file mem_checker_monitor.cc.

References cpuSidePort, fatal, Port::isConnected(), and memSidePort.

◆ isSnooping()

bool MemCheckerMonitor::isSnooping ( ) const
private

◆ params()

const Params* MemCheckerMonitor::params ( ) const
inline

Definition at line 56 of file mem_checker_monitor.hh.

References SimObject::_params.

◆ recvAtomic()

Tick MemCheckerMonitor::recvAtomic ( PacketPtr  pkt)
private

Definition at line 119 of file mem_checker_monitor.cc.

References panic.

Referenced by MemCheckerMonitor::MonitorResponsePort::recvAtomic().

◆ recvAtomicSnoop()

Tick MemCheckerMonitor::recvAtomicSnoop ( PacketPtr  pkt)
private

Definition at line 125 of file mem_checker_monitor.cc.

References panic.

Referenced by MemCheckerMonitor::MonitorRequestPort::recvAtomicSnoop().

◆ recvFunctional()

void MemCheckerMonitor::recvFunctional ( PacketPtr  pkt)
private

◆ recvFunctionalSnoop()

void MemCheckerMonitor::recvFunctionalSnoop ( PacketPtr  pkt)
private

◆ recvRangeChange()

void MemCheckerMonitor::recvRangeChange ( )
private

◆ recvReqRetry()

void MemCheckerMonitor::recvReqRetry ( )
private

◆ recvRespRetry()

void MemCheckerMonitor::recvRespRetry ( )
private

◆ recvTimingReq()

bool MemCheckerMonitor::recvTimingReq ( PacketPtr  pkt)
private

◆ recvTimingResp()

bool MemCheckerMonitor::recvTimingResp ( PacketPtr  pkt)
private

◆ recvTimingSnoopReq()

void MemCheckerMonitor::recvTimingSnoopReq ( PacketPtr  pkt)
private

◆ recvTimingSnoopResp()

bool MemCheckerMonitor::recvTimingSnoopResp ( PacketPtr  pkt)
private

Member Data Documentation

◆ cpuSidePort

MonitorResponsePort MemCheckerMonitor::cpuSidePort
private

Instance of response port, i.e.

on the CPU side

Definition at line 200 of file mem_checker_monitor.hh.

Referenced by getPort(), init(), isSnooping(), recvFunctionalSnoop(), recvRangeChange(), recvReqRetry(), recvTimingResp(), and recvTimingSnoopReq().

◆ memchecker

MemChecker* MemCheckerMonitor::memchecker
private

◆ memSidePort

MonitorRequestPort MemCheckerMonitor::memSidePort
private

Instance of request port, facing the memory side.

Definition at line 144 of file mem_checker_monitor.hh.

Referenced by getAddrRanges(), getPort(), init(), recvFunctional(), recvRespRetry(), recvTimingReq(), and recvTimingSnoopResp().

◆ warnOnly

bool MemCheckerMonitor::warnOnly
private

Definition at line 228 of file mem_checker_monitor.hh.

Referenced by recvTimingResp().


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

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