gem5 v24.0.0.0
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#include <dma_thread.hh>
Public Types | |
typedef DmaThreadParams | Params |
typedef AddressManager::Location | Location |
typedef AddressManager::Value | Value |
Public Types inherited from gem5::TesterThread | |
typedef TesterThreadParams | Params |
typedef AddressManager::Location | Location |
typedef AddressManager::Value | Value |
Public Types inherited from gem5::ClockedObject | |
using | Params = ClockedObjectParams |
Parameters of ClockedObject. | |
Public Types inherited from gem5::SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
DmaThread (const Params &_params) | |
virtual | ~DmaThread () |
void | hitCallback (PacketPtr pkt) |
Public Member Functions inherited from gem5::TesterThread | |
TesterThread (const Params &p) | |
virtual | ~TesterThread () |
void | wakeup () |
void | scheduleWakeup () |
void | checkDeadlock () |
void | scheduleDeadlockCheckEvent () |
void | attachTesterThreadToPorts (ProtocolTester *_tester, ProtocolTester::SeqPort *_port, ProtocolTester::GMTokenPort *_tokenPort=nullptr, ProtocolTester::SeqPort *_sqcPort=nullptr, ProtocolTester::SeqPort *_scalarPort=nullptr) |
const std::string & | getName () const |
int | getTesterThreadId () const |
int | getNumLanes () const |
bool | checkDRF (Location atomic_loc, Location loc, bool isStore) const |
void | printAllOutstandingReqs (std::stringstream &ss) const |
Public Member Functions inherited from gem5::ClockedObject | |
ClockedObject (const ClockedObjectParams &p) | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. | |
Public Member Functions inherited from gem5::SimObject | |
const Params & | params () const |
SimObject (const Params &p) | |
virtual | ~SimObject () |
virtual void | init () |
init() is called after all C++ SimObjects have been created and all ports are connected. | |
virtual void | loadState (CheckpointIn &cp) |
loadState() is called on each SimObject when restoring from a checkpoint. | |
virtual void | initState () |
initState() is called on each SimObject when not restoring from a checkpoint. | |
virtual void | regProbePoints () |
Register probe points for this object. | |
virtual void | regProbeListeners () |
Register probe listeners for this object. | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. | |
virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a port with a given name and index. | |
virtual void | startup () |
startup() is the final initialization call before simulation. | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. | |
Public Member Functions inherited from gem5::EventManager | |
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) |
This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
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. | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. | |
void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from gem5::Drainable | |
DrainState | drainState () const |
Return the current drain state of an object. | |
virtual void | notifyFork () |
Notify a child process of a fork. | |
Public Member Functions inherited from gem5::statistics::Group | |
Group (Group *parent, const char *name=nullptr) | |
Construct a new statistics group. | |
virtual | ~Group () |
virtual void | regStats () |
Callback to set stat parameters. | |
virtual void | resetStats () |
Callback to reset stats. | |
virtual void | preDumpStats () |
Callback before stats are dumped. | |
void | addStat (statistics::Info *info) |
Register a stat with this group. | |
const std::map< std::string, Group * > & | getStatGroups () const |
Get all child groups associated with this object. | |
const std::vector< Info * > & | getStats () const |
Get all stats associated with this object. | |
void | addStatGroup (const char *name, Group *block) |
Add a stat block as a child of this block. | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. | |
void | mergeStatGroup (Group *block) |
Merge the contents (stats & children) of a block to this block. | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Public Member Functions inherited from gem5::Named | |
Named (const std::string &name_) | |
virtual | ~Named ()=default |
virtual std::string | name () const |
Public Member Functions inherited from gem5::Clocked | |
void | updateClockPeriod () |
Update the tick to the current tick. | |
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. | |
Cycles | curCycle () const |
Determine the current cycle, corresponding to a tick aligned to a clock edge. | |
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. | |
uint64_t | frequency () const |
Tick | clockPeriod () const |
double | voltage () const |
Cycles | ticksToCycles (Tick t) const |
Tick | cyclesToTicks (Cycles c) const |
Protected Member Functions | |
void | issueLoadOps () |
void | issueStoreOps () |
void | issueAtomicOps () |
void | issueAcquireOp () |
void | issueReleaseOp () |
Protected Member Functions inherited from gem5::TesterThread | |
void | issueNewEpisode () |
bool | isNextActionReady () |
void | issueNextAction () |
int | getTokensNeeded () |
void | addOutstandingReqs (OutstandingReqTable &req_table, Addr addr, int lane, Location loc, Value stored_val=AddressManager::INVALID_VALUE) |
OutstandingReq | popOutstandingReq (OutstandingReqTable &req_table, Addr address) |
void | validateAtomicResp (Location loc, int lane, Value ret_val) |
void | validateLoadResp (Location loc, int lane, Value ret_val) |
void | printOutstandingReqs (const OutstandingReqTable &table, std::stringstream &ss) const |
Protected Member Functions inherited from gem5::Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. | |
void | signalDrainDone () const |
Signal that an object is drained. | |
Protected Member Functions inherited from gem5::Clocked | |
Clocked (ClockDomain &clk_domain) | |
Create a clocked object and set the clock domain based on the parameters. | |
Clocked (Clocked &)=delete | |
Clocked & | operator= (Clocked &)=delete |
virtual | ~Clocked () |
Virtual destructor due to inheritance. | |
void | resetClock () const |
Reset the object's clock using the current global tick value. | |
virtual void | clockPeriodUpdated () |
A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. | |
Additional Inherited Members | |
Static Public Member Functions inherited from gem5::SimObject | |
static void | serializeAll (const std::string &cpt_dir) |
Create a checkpoint by serializing all SimObjects in the system. | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. | |
static void | setSimObjectResolver (SimObjectResolver *resolver) |
There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
static SimObjectResolver * | getSimObjectResolver () |
There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
Static Public Member Functions inherited from gem5::Serializable | |
static const std::string & | currentSection () |
Gets the fully-qualified name of the active section. | |
static void | generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream) |
Generate a checkpoint file so that the serialization can be routed to it. | |
Public Attributes inherited from gem5::ClockedObject | |
PowerState * | powerState |
Protected Types inherited from gem5::TesterThread | |
typedef std::vector< Episode * > | EpisodeHistory |
typedef std::vector< OutstandingReq > | OutstandingReqList |
typedef std::unordered_map< Addr, OutstandingReqList > | OutstandingReqTable |
Protected Attributes inherited from gem5::TesterThread | |
TesterThreadEvent | threadEvent |
DeadlockCheckEvent | deadlockCheckEvent |
int | threadId |
int | numLanes |
std::string | threadName |
ProtocolTester * | tester |
AddressManager * | addrManager |
ProtocolTester::SeqPort * | port |
ProtocolTester::GMTokenPort * | tokenPort |
ProtocolTester::SeqPort * | scalarPort |
ProtocolTester::SeqPort * | sqcPort |
EpisodeHistory | episodeHistory |
Episode * | curEpisode |
const Episode::Action * | curAction |
int | pendingLdStCount |
int | pendingFenceCount |
int | pendingAtomicCount |
Cycles | lastActiveCycle |
Cycles | deadlockThreshold |
OutstandingReqTable | outstandingLoads |
OutstandingReqTable | outstandingStores |
OutstandingReqTable | outstandingAtomics |
Protected Attributes inherited from gem5::SimObject | |
const SimObjectParams & | _params |
Cached copy of the object parameters. | |
Protected Attributes inherited from gem5::EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. | |
Definition at line 41 of file dma_thread.hh.
Definition at line 48 of file dma_thread.hh.
typedef DmaThreadParams gem5::DmaThread::Params |
Definition at line 44 of file dma_thread.hh.
Definition at line 49 of file dma_thread.hh.
gem5::DmaThread::DmaThread | ( | const Params & | _params | ) |
Definition at line 39 of file dma_thread.cc.
References gem5::TesterThread::numLanes, gem5::TesterThread::TesterThreadEvent::setDesc(), gem5::TesterThread::threadEvent, gem5::TesterThread::threadId, and gem5::TesterThread::threadName.
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virtual |
Definition at line 47 of file dma_thread.cc.
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Implements gem5::TesterThread.
Definition at line 206 of file dma_thread.cc.
References gem5::X86ISA::addr, gem5::TesterThread::addrManager, gem5::Packet::cmd, gem5::Clocked::curCycle(), gem5::TesterThread::curEpisode, gem5::curTick(), DPRINTF, gem5::Packet::getAddr(), gem5::Episode::getEpisodeId(), gem5::TesterThread::getName(), gem5::Packet::getPtr(), gem5::AddressManager::INVALID_VALUE, gem5::TesterThread::OutstandingReq::lane, gem5::TesterThread::lastActiveCycle, gem5::TesterThread::OutstandingReq::origLoc, gem5::TesterThread::outstandingAtomics, gem5::TesterThread::outstandingLoads, gem5::TesterThread::outstandingStores, panic, gem5::TesterThread::pendingAtomicCount, gem5::TesterThread::pendingLdStCount, gem5::TesterThread::popOutstandingReq(), gem5::ruby::printAddress(), gem5::MemCmd::ReadResp, gem5::Event::scheduled(), gem5::TesterThread::scheduleWakeup(), gem5::Packet::senderState, gem5::TesterThread::OutstandingReq::storedValue, gem5::MemCmd::SwapResp, gem5::TesterThread::threadEvent, gem5::TesterThread::threadId, gem5::MemCmd::toString(), gem5::AddressManager::updateLogTable(), gem5::TesterThread::validateAtomicResp(), gem5::TesterThread::validateLoadResp(), and gem5::MemCmd::WriteResp.
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Implements gem5::TesterThread.
Definition at line 176 of file dma_thread.cc.
References gem5::Episode::Action::ACQUIRE, gem5::TesterThread::curAction, DPRINTF, gem5::Episode::Action::getType(), gem5::TesterThread::pendingAtomicCount, gem5::TesterThread::pendingFenceCount, and gem5::TesterThread::pendingLdStCount.
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protectedvirtual |
Implements gem5::TesterThread.
Definition at line 161 of file dma_thread.cc.
References gem5::Episode::Action::ATOMIC, gem5::TesterThread::curAction, DPRINTF, gem5::Episode::Action::getType(), gem5::TesterThread::pendingAtomicCount, gem5::TesterThread::pendingFenceCount, and gem5::TesterThread::pendingLdStCount.
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protectedvirtual |
Implements gem5::TesterThread.
Definition at line 53 of file dma_thread.cc.
References gem5::TesterThread::addOutstandingReqs(), gem5::TesterThread::addrManager, gem5::TesterThread::curAction, gem5::TesterThread::curEpisode, data, gem5::Packet::dataDynamic(), DPRINTF, gem5::ProtocolTester::getActionSeqNum(), gem5::AddressManager::getAddress(), gem5::Episode::getEpisodeId(), gem5::Episode::Action::getLocation(), gem5::TesterThread::getName(), gem5::Episode::Action::getType(), gem5::AddressManager::INVALID_LOCATION, gem5::Episode::Action::LOAD, gem5::TesterThread::outstandingLoads, panic, gem5::TesterThread::pendingAtomicCount, gem5::TesterThread::pendingFenceCount, gem5::TesterThread::pendingLdStCount, gem5::TesterThread::port, gem5::ruby::printAddress(), gem5::MemCmd::ReadReq, gem5::ProtocolTester::requestorId(), gem5::Packet::senderState, gem5::RequestPort::sendTimingReq(), gem5::TesterThread::tester, and gem5::TesterThread::threadId.
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protectedvirtual |
Implements gem5::TesterThread.
Definition at line 191 of file dma_thread.cc.
References gem5::TesterThread::curAction, DPRINTF, gem5::Episode::Action::getType(), gem5::TesterThread::pendingAtomicCount, gem5::TesterThread::pendingFenceCount, gem5::TesterThread::pendingLdStCount, and gem5::Episode::Action::RELEASE.
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protectedvirtual |
Implements gem5::TesterThread.
Definition at line 104 of file dma_thread.cc.
References gem5::TesterThread::addOutstandingReqs(), gem5::TesterThread::addrManager, gem5::TesterThread::curAction, gem5::TesterThread::curEpisode, gem5::Packet::dataDynamic(), DPRINTF, gem5::ProtocolTester::getActionSeqNum(), gem5::AddressManager::getAddress(), gem5::Episode::getEpisodeId(), gem5::Episode::Action::getLocation(), gem5::AddressManager::getLoggedValue(), gem5::TesterThread::getName(), gem5::Episode::Action::getType(), gem5::AddressManager::INVALID_LOCATION, gem5::TesterThread::outstandingStores, panic, gem5::TesterThread::pendingAtomicCount, gem5::TesterThread::pendingFenceCount, gem5::TesterThread::pendingLdStCount, gem5::TesterThread::port, gem5::ruby::printAddress(), gem5::ProtocolTester::requestorId(), gem5::Packet::senderState, gem5::RequestPort::sendTimingReq(), gem5::Episode::Action::STORE, gem5::TesterThread::tester, gem5::TesterThread::threadId, and gem5::MemCmd::WriteReq.