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Gicv2m Class Reference

#include <gic_v2m.hh>

Inheritance diagram for Gicv2m:
PioDevice MemObject ClockedObject SimObject Clocked EventManager Serializable Drainable

Public Types

typedef Gicv2mParams Params
 
- Public Types inherited from PioDevice
typedef PioDeviceParams 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

 Gicv2m (const Params *p)
 
virtual AddrRangeList getAddrRanges () const
 Return the address ranges used by the Gicv2m This is the set of frame addresses. More...
 
virtual Tick read (PacketPtr pkt)
 A PIO read to the device. More...
 
virtual Tick write (PacketPtr pkt)
 A PIO read to the device. More...
 
- Public Member Functions inherited from PioDevice
 PioDevice (const Params *p)
 
virtual ~PioDevice ()
 
const Paramsparams () const
 
virtual void init ()
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
virtual BaseSlavePortgetSlavePort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a slave port with a given name and index. More...
 
- Public Member Functions inherited from MemObject
const Paramsparams () const
 
 MemObject (const Params *params)
 
virtual BaseMasterPortgetMasterPort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a master port with a given name and index. More...
 
- Public Member Functions inherited from ClockedObject
 ClockedObject (const ClockedObjectParams *p)
 
const Paramsparams () 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 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 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...
 
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
 EventManager (EventManager &em)
 
 EventManager (EventManager *em)
 
 EventManager (EventQueue *eq)
 
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)
 
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 Member Functions

int frameFromAddr (Addr a) const
 Determine which frame a PIO access lands in. More...
 

Private Attributes

const Tick pioDelay
 Latency for an MMIO operation. More...
 
std::vector< Gicv2mFrame * > frames
 A set of configured hardware frames. More...
 
BaseGicgic
 Gic to which we fire interrupts. More...
 
unsigned int log2framenum
 Count of number of configured frames, as log2(frames) More...
 

Static Private Attributes

static const int FRAME_SIZE = 0x10000
 
static const int MSI_TYPER = 0x0008
 
static const int MSI_SETSPI_NSR = 0x0040
 
static const int PER_ID4 = 0x0fd0
 

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 ()
 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 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
 
Clockedoperator= (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 PioDevice
Systemsys
 
PioPort pioPort
 The pioPort that handles the requests for us and provides us requests that it sees. 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
EventQueueeventq
 A pointer to this object's event queue. More...
 

Detailed Description

Definition at line 75 of file gic_v2m.hh.

Member Typedef Documentation

typedef Gicv2mParams Gicv2m::Params

Definition at line 97 of file gic_v2m.hh.

Constructor & Destructor Documentation

Gicv2m::Gicv2m ( const Params p)

Definition at line 81 of file gic_v2m.cc.

References fatal, fatal_if(), floorLog2(), frames, ArmISA::i, isPowerOf2(), log2framenum, and X86ISA::x.

Member Function Documentation

int Gicv2m::frameFromAddr ( Addr  a) const
private

Determine which frame a PIO access lands in.

Definition at line 163 of file gic_v2m.cc.

References addr, FRAME_SIZE, frames, and ArmISA::i.

Referenced by read(), and write().

AddrRangeList Gicv2m::getAddrRanges ( ) const
virtual

Return the address ranges used by the Gicv2m This is the set of frame addresses.

Implements PioDevice.

Definition at line 97 of file gic_v2m.cc.

References addr, FRAME_SIZE, frames, ArmISA::i, and RangeSize().

Tick Gicv2m::read ( PacketPtr  pkt)
virtual

A PIO read to the device.

Implements PioDevice.

Definition at line 107 of file gic_v2m.cc.

References DPRINTF, frameFromAddr(), frames, Packet::getAddr(), log2framenum, Packet::makeAtomicResponse(), MSI_TYPER, ArmISA::offset, PER_ID4, pioDelay, and Packet::set().

Tick Gicv2m::write ( PacketPtr  pkt)
virtual

Member Data Documentation

const int Gicv2m::FRAME_SIZE = 0x10000
staticprivate

Definition at line 78 of file gic_v2m.hh.

Referenced by frameFromAddr(), and getAddrRanges().

std::vector<Gicv2mFrame *> Gicv2m::frames
private

A set of configured hardware frames.

Definition at line 88 of file gic_v2m.hh.

Referenced by frameFromAddr(), getAddrRanges(), Gicv2m(), read(), and write().

BaseGic* Gicv2m::gic
private

Gic to which we fire interrupts.

Definition at line 91 of file gic_v2m.hh.

Referenced by write().

unsigned int Gicv2m::log2framenum
private

Count of number of configured frames, as log2(frames)

Definition at line 94 of file gic_v2m.hh.

Referenced by Gicv2m(), and read().

const int Gicv2m::MSI_SETSPI_NSR = 0x0040
staticprivate

Definition at line 81 of file gic_v2m.hh.

Referenced by write().

const int Gicv2m::MSI_TYPER = 0x0008
staticprivate

Definition at line 80 of file gic_v2m.hh.

Referenced by read().

const int Gicv2m::PER_ID4 = 0x0fd0
staticprivate

Definition at line 82 of file gic_v2m.hh.

Referenced by read().

const Tick Gicv2m::pioDelay
private

Latency for an MMIO operation.

Definition at line 85 of file gic_v2m.hh.

Referenced by read(), and write().


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

Generated on Fri Jun 9 2017 13:04:11 for gem5 by doxygen 1.8.6