gem5
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#include <pagetable_walker.hh>
Classes | |
class | WalkerPort |
struct | WalkerSenderState |
class | WalkerState |
Public Types | |
typedef X86PagetableWalkerParams | Params |
Public Types inherited from MemObject | |
typedef MemObjectParams | Params |
Public Types inherited from ClockedObject | |
typedef ClockedObjectParams | Params |
Parameters of ClockedObject. More... | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
Fault | start (ThreadContext *_tc, BaseTLB::Translation *translation, RequestPtr req, BaseTLB::Mode mode) |
Fault | startFunctional (ThreadContext *_tc, Addr &addr, unsigned &logBytes, BaseTLB::Mode mode) |
BaseMasterPort & | getMasterPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a master port with a given name and index. More... | |
void | setTLB (TLB *_tlb) |
const Params * | params () const |
Walker (const Params *params) | |
Public Member Functions inherited from MemObject | |
const Params * | params () const |
MemObject (const Params *params) | |
virtual BaseSlavePort & | getSlavePort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a slave port with a given name and index. More... | |
Public Member Functions inherited from ClockedObject | |
ClockedObject (const ClockedObjectParams *p) | |
const Params * | params () const |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Enums::PwrState | pwrState () const |
std::string | pwrStateName () const |
std::vector< double > | pwrStateWeights () const |
Returns the percentage residency for each power state. More... | |
void | computeStats () |
Record stats values like state residency by computing the time difference from previous update. More... | |
void | pwrState (Enums::PwrState) |
void | regStats () override |
Register statistics for this object. More... | |
Public Member Functions inherited from SimObject | |
const Params * | params () const |
SimObject (const Params *_params) | |
virtual | ~SimObject () |
virtual const std::string | name () const |
virtual void | init () |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
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 | resetStats () |
Reset statistics associated with this object. More... | |
virtual void | regProbePoints () |
Register probe points for this object. More... | |
virtual void | regProbeListeners () |
Register probe listeners for this object. More... | |
ProbeManager * | getProbeManager () |
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 | |
EventManager (EventManager &em) | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
EventQueue * | eventQueue () 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) |
void | setCurTick (Tick newVal) |
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 Clocked | |
void | updateClockPeriod () const |
Update the tick to the current tick. More... | |
Tick | clockEdge (Cycles cycles=Cycles(0)) const |
Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More... | |
Cycles | curCycle () const |
Determine the current cycle, corresponding to a tick aligned to a clock edge. More... | |
Tick | nextCycle () const |
Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More... | |
uint64_t | frequency () const |
Tick | clockPeriod () const |
double | voltage () const |
Cycles | ticksToCycles (Tick t) const |
Tick | cyclesToTicks (Cycles c) const |
Protected Member Functions | |
void | startWalkWrapper () |
bool | recvTimingResp (PacketPtr pkt) |
void | recvReqRetry () |
bool | sendTiming (WalkerState *sendingState, PacketPtr pkt) |
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 Member Functions inherited from Clocked | |
Clocked (ClockDomain &clk_domain) | |
Create a clocked object and set the clock domain based on the parameters. More... | |
Clocked (Clocked &)=delete | |
Clocked & | operator= (Clocked &)=delete |
virtual | ~Clocked () |
Virtual destructor due to inheritance. More... | |
void | resetClock () const |
Reset the object's clock using the current global tick value. More... | |
Protected Attributes | |
WalkerPort | port |
std::list< WalkerState * > | currStates |
WalkerState | funcState |
TLB * | tlb |
System * | sys |
MasterID | masterId |
unsigned | numSquashable |
EventWrapper< Walker,&Walker::startWalkWrapper > | startWalkWrapperEvent |
Event used to call startWalkWrapper. More... | |
Protected Attributes inherited from ClockedObject | |
Enums::PwrState | _currPwrState |
To keep track of the current power state. More... | |
Tick | prvEvalTick |
Stats::Scalar | numPwrStateTransitions |
Stats::Distribution | pwrStateClkGateDist |
Stats::Vector | pwrStateResidencyTicks |
Protected Attributes inherited from SimObject | |
const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
Protected Attributes inherited from EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. More... | |
Friends | |
class | WalkerPort |
class | WalkerState |
Additional Inherited Members | |
Static Public Member Functions inherited from SimObject | |
static void | serializeAll (CheckpointOut &cp) |
Serialize all SimObjects in the system. More... | |
static SimObject * | find (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 () |
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 |
Definition at line 58 of file pagetable_walker.hh.
typedef X86PagetableWalkerParams X86ISA::Walker::Params |
Definition at line 195 of file pagetable_walker.hh.
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inline |
Definition at line 203 of file pagetable_walker.hh.
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virtual |
Get a master port with a given name and index.
This is used at binding time and returns a reference to a protocol-agnostic base master port.
if_name | Port name |
idx | Index in the case of a VectorPort |
Reimplemented from MemObject.
Definition at line 171 of file pagetable_walker.cc.
References MemObject::getMasterPort(), and port.
Referenced by X86ISA::TLB::getMasterPort().
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Definition at line 198 of file pagetable_walker.hh.
References SimObject::_params.
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protected |
Definition at line 143 of file pagetable_walker.cc.
References currStates, X86ISA::Walker::WalkerState::isRetrying(), and X86ISA::Walker::WalkerState::retry().
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protected |
Definition at line 109 of file pagetable_walker.cc.
References Clocked::clockEdge(), currStates, Packet::popSenderState(), X86ISA::Walker::WalkerState::recvPacket(), EventManager::schedule(), X86ISA::Walker::WalkerSenderState::senderWalk, and startWalkWrapperEvent.
Referenced by X86ISA::Walker::WalkerPort::recvTimingResp().
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Definition at line 154 of file pagetable_walker.cc.
References Packet::popSenderState(), port, Packet::pushSenderState(), and MasterPort::sendTimingReq().
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Definition at line 190 of file pagetable_walker.hh.
References tlb.
Referenced by X86ISA::GpuTLB::GpuTLB(), and X86ISA::TLB::TLB().
Fault X86ISA::Walker::start | ( | ThreadContext * | _tc, |
BaseTLB::Translation * | translation, | ||
RequestPtr | req, | ||
BaseTLB::Mode | mode | ||
) |
Definition at line 70 of file pagetable_walker.cc.
References currStates, DPRINTF, X86ISA::Walker::WalkerState::initState(), X86ISA::Walker::WalkerState::isTiming(), System::isTimingMode(), NoFault, X86ISA::Walker::WalkerState::startWalk(), sys, and WalkerState.
Referenced by X86ISA::TLB::translate().
Fault X86ISA::Walker::startFunctional | ( | ThreadContext * | _tc, |
Addr & | addr, | ||
unsigned & | logBytes, | ||
BaseTLB::Mode | mode | ||
) |
Definition at line 95 of file pagetable_walker.cc.
References funcState, X86ISA::Walker::WalkerState::initState(), and X86ISA::Walker::WalkerState::startFunctional().
Referenced by X86ISA::RemoteGDB::acc(), and X86ISA::vtophys().
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protected |
Definition at line 191 of file pagetable_walker.cc.
References currStates, DPRINTF, BaseTLB::Translation::finish(), Request::getVaddr(), X86ISA::Walker::WalkerState::mode, numSquashable, X86ISA::Walker::WalkerState::req, BaseTLB::Translation::squashed(), X86ISA::Walker::WalkerState::startWalk(), X86ISA::Walker::WalkerState::tc, X86ISA::Walker::WalkerState::translation, and X86ISA::Walker::WalkerState::wasStarted().
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friend |
Definition at line 76 of file pagetable_walker.hh.
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friend |
Definition at line 143 of file pagetable_walker.hh.
Referenced by start().
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Definition at line 146 of file pagetable_walker.hh.
Referenced by recvReqRetry(), recvTimingResp(), start(), and startWalkWrapper().
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Definition at line 148 of file pagetable_walker.hh.
Referenced by startFunctional().
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Definition at line 170 of file pagetable_walker.hh.
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Definition at line 173 of file pagetable_walker.hh.
Referenced by startWalkWrapper().
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Definition at line 77 of file pagetable_walker.hh.
Referenced by getMasterPort(), and sendTiming().
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Event used to call startWalkWrapper.
Definition at line 181 of file pagetable_walker.hh.
Referenced by recvTimingResp().
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Definition at line 169 of file pagetable_walker.hh.
Referenced by start().
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Definition at line 168 of file pagetable_walker.hh.
Referenced by setTLB().