gem5
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#include <DMASequencer.hh>
Public Types | |
typedef DMASequencerParams | Params |
Public Types inherited from RubyPort | |
typedef RubyPortParams | 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 | |
DMASequencer (const Params *) | |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
RequestStatus | makeRequest (PacketPtr pkt) override |
bool | busy () |
int | outstandingCount () const override |
bool | isDeadlockEventScheduled () const override |
void | descheduleDeadlockEvent () override |
void | dataCallback (const DataBlock &dblk, const Addr &addr) |
void | ackCallback (const Addr &addr) |
void | recordRequestType (DMASequencerRequestType requestType) |
Public Member Functions inherited from RubyPort | |
RubyPort (const Params *p) | |
virtual | ~RubyPort () |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
BaseMasterPort & | getMasterPort (const std::string &if_name, PortID idx=InvalidPortID) override |
Get a master port with a given name and index. More... | |
BaseSlavePort & | getSlavePort (const std::string &if_name, PortID idx=InvalidPortID) override |
Get a slave port with a given name and index. More... | |
void | setController (AbstractController *_cntrl) |
uint32_t | getId () |
DrainState | drain () override |
Notify an object that it needs to drain its state. More... | |
bool | isCPUSequencer () |
Public Member Functions inherited from MemObject | |
const Params * | params () const |
MemObject (const Params *params) | |
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 | 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 |
Private Types | |
typedef std::unordered_map < Addr, DMARequest > | RequestTable |
Private Member Functions | |
void | issueNext (const Addr &addr) |
Private Attributes | |
uint64_t | m_data_block_mask |
RequestTable | m_RequestTable |
int | m_outstanding_count |
int | m_max_outstanding_requests |
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 |
Protected Member Functions inherited from RubyPort | |
void | trySendRetries () |
void | ruby_hit_callback (PacketPtr pkt) |
void | testDrainComplete () |
void | ruby_eviction_callback (Addr address) |
bool | recvTimingResp (PacketPtr pkt, PortID master_port_id) |
Called by the PIO port when receiving a timing response. More... | |
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 inherited from RubyPort | |
RubySystem * | m_ruby_system |
uint32_t | m_version |
AbstractController * | m_controller |
MessageBuffer * | m_mandatory_q_ptr |
bool | m_usingRubyTester |
System * | system |
std::vector< MemSlavePort * > | slave_ports |
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... | |
Definition at line 56 of file DMASequencer.hh.
typedef DMASequencerParams DMASequencer::Params |
Definition at line 59 of file DMASequencer.hh.
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private |
Definition at line 81 of file DMASequencer.hh.
DMASequencer::DMASequencer | ( | const Params * | p | ) |
Definition at line 48 of file DMASequencer.cc.
void DMASequencer::ackCallback | ( | const Addr & | addr | ) |
Definition at line 193 of file DMASequencer.cc.
References issueNext(), and m_RequestTable.
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inline |
Definition at line 65 of file DMASequencer.hh.
References m_outstanding_count.
Definition at line 173 of file DMASequencer.cc.
References DataBlock::getData(), ArmISA::i, issueNext(), ArmISA::len, m_data_block_mask, m_RequestTable, and ArmISA::offset.
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inlineoverridevirtual |
Implements RubyPort.
Definition at line 68 of file DMASequencer.hh.
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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 55 of file DMASequencer.cc.
References RubySystem::getBlockSizeBits(), RubyPort::init(), m_data_block_mask, ArmISA::mask, and RubyPort::slave_ports.
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inlineoverridevirtual |
Implements RubyPort.
Definition at line 67 of file DMASequencer.hh.
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private |
Definition at line 121 of file DMASequencer.cc.
References Clocked::clockEdge(), Clocked::cyclesToTicks(), DPRINTF, MessageBuffer::enqueue(), RubySystem::getBlockSizeBytes(), ArmISA::i, m_data_block_mask, RubyPort::m_mandatory_q_ptr, m_max_outstanding_requests, m_outstanding_count, m_RequestTable, makeLineAddress(), and RubyPort::ruby_hit_callback().
Referenced by ackCallback(), and dataCallback().
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overridevirtual |
Implements RubyPort.
Definition at line 65 of file DMASequencer.cc.
References DMARequest::bytes_issued, Clocked::clockEdge(), Clocked::cyclesToTicks(), data, DMARequest::data, DPRINTF, MessageBuffer::enqueue(), Packet::getAddr(), RubySystem::getBlockSizeBytes(), Packet::getPtr(), Packet::getSize(), Packet::isWrite(), ArmISA::len, m_data_block_mask, RubyPort::m_mandatory_q_ptr, m_max_outstanding_requests, m_outstanding_count, m_RequestTable, makeLineAddress(), and ArmISA::offset.
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inlineoverridevirtual |
void DMASequencer::recordRequestType | ( | DMASequencerRequestType | requestType | ) |
Definition at line 200 of file DMASequencer.cc.
References DPRINTF.
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private |
Definition at line 79 of file DMASequencer.hh.
Referenced by dataCallback(), init(), issueNext(), and makeRequest().
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private |
Definition at line 85 of file DMASequencer.hh.
Referenced by issueNext(), and makeRequest().
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private |
Definition at line 84 of file DMASequencer.hh.
Referenced by busy(), issueNext(), makeRequest(), and outstandingCount().
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private |
Definition at line 82 of file DMASequencer.hh.
Referenced by ackCallback(), dataCallback(), issueNext(), and makeRequest().