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ArmISA::Interrupts Class Reference

#include <interrupts.hh>

Inheritance diagram for ArmISA::Interrupts:
SimObject EventManager Serializable Drainable

Public Types

enum  InterruptMask { INT_MASK_M, INT_MASK_T, INT_MASK_P }
 
typedef ArmInterruptsParams Params
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

void setCPU (BaseCPU *_cpu)
 
const Paramsparams () const
 
 Interrupts (Params *p)
 
void post (int int_num, int index)
 
void clear (int int_num, int index)
 
void clearAll ()
 
bool takeInt (ThreadContext *tc, InterruptTypes int_type) const
 
bool checkInterrupts (ThreadContext *tc) const
 
bool checkWfiWake (HCR hcr, CPSR cpsr, SCR scr) const
 This function is used to check if a wfi operation should sleep. More...
 
uint32_t getISR (HCR hcr, CPSR cpsr, SCR scr)
 
bool checkRaw (InterruptTypes interrupt) const
 Check the state of a particular interrupt, ignoring CPSR masks. More...
 
Fault getInterrupt (ThreadContext *tc)
 
void updateIntrInfo (ThreadContext *tc)
 
void serialize (CheckpointOut &cp) const
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp)
 Unserialize an 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 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 regStats ()
 Register statistics for this object. 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...
 

Private Attributes

BaseCPUcpu
 
bool interrupts [NumInterruptTypes]
 
uint64_t intStatus
 

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 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 59 of file interrupts.hh.

Member Typedef Documentation

typedef ArmInterruptsParams ArmISA::Interrupts::Params

Definition at line 75 of file interrupts.hh.

Member Enumeration Documentation

Enumerator
INT_MASK_M 
INT_MASK_T 
INT_MASK_P 

Definition at line 127 of file interrupts.hh.

Constructor & Destructor Documentation

ArmISA::Interrupts::Interrupts ( Params p)
inline

Definition at line 83 of file interrupts.hh.

References clearAll().

Member Function Documentation

bool ArmISA::Interrupts::checkInterrupts ( ThreadContext tc) const
inline
bool ArmISA::Interrupts::checkRaw ( InterruptTypes  interrupt) const
inline

Check the state of a particular interrupt, ignoring CPSR masks.

This method is primarily used when running the target CPU in a hardware VM (e.g., KVM) to check if interrupts should be delivered upon guest entry.

Parameters
interruptInterrupt type to check the state of.
Returns
true if the interrupt is asserted, false otherwise.

Definition at line 216 of file interrupts.hh.

References interrupt, interrupts, ArmISA::NumInterruptTypes, and panic.

bool ArmISA::Interrupts::checkWfiWake ( HCR  hcr,
CPSR  cpsr,
SCR  scr 
) const
inline

This function is used to check if a wfi operation should sleep.

If there is an interrupt pending, even if it's masked, wfi doesn't sleep.

Returns
any interrupts pending

Definition at line 176 of file interrupts.hh.

References ArmISA::inSecureState(), ArmISA::INT_VIRT_FIQ, ArmISA::INT_VIRT_IRQ, interrupts, intStatus, and ArmISA::MODE_HYP.

void ArmISA::Interrupts::clear ( int  int_num,
int  index 
)
inline

Definition at line 105 of file interrupts.hh.

References DPRINTF, interrupts, intStatus, ArmISA::NumInterruptTypes, panic, and ULL.

void ArmISA::Interrupts::clearAll ( )
inline

Definition at line 120 of file interrupts.hh.

References DPRINTF, interrupts, and intStatus.

Referenced by Interrupts().

Fault ArmISA::Interrupts::getInterrupt ( ThreadContext tc)
inline
uint32_t ArmISA::Interrupts::getISR ( HCR  hcr,
CPSR  cpsr,
SCR  scr 
)
inline
const Params* ArmISA::Interrupts::params ( ) const
inline

Definition at line 78 of file interrupts.hh.

References SimObject::_params.

void ArmISA::Interrupts::post ( int  int_num,
int  index 
)
inline

Definition at line 90 of file interrupts.hh.

References DPRINTF, interrupts, intStatus, ArmISA::NumInterruptTypes, panic, and ULL.

void ArmISA::Interrupts::serialize ( CheckpointOut cp) const
inlinevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters
cpCheckpoint state

Implements Serializable.

Definition at line 274 of file interrupts.hh.

References interrupts, intStatus, ArmISA::NumInterruptTypes, SERIALIZE_ARRAY, and SERIALIZE_SCALAR.

void ArmISA::Interrupts::setCPU ( BaseCPU _cpu)
inline

Definition at line 70 of file interrupts.hh.

References cpu.

bool ArmISA::Interrupts::takeInt ( ThreadContext tc,
InterruptTypes  int_type 
) const
void ArmISA::Interrupts::unserialize ( CheckpointIn cp)
inlinevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters
cpCheckpoint state

Implements Serializable.

Definition at line 281 of file interrupts.hh.

References interrupts, intStatus, ArmISA::NumInterruptTypes, UNSERIALIZE_ARRAY, and UNSERIALIZE_SCALAR.

void ArmISA::Interrupts::updateIntrInfo ( ThreadContext tc)
inline

Definition at line 268 of file interrupts.hh.

Member Data Documentation

BaseCPU* ArmISA::Interrupts::cpu
private

Definition at line 62 of file interrupts.hh.

Referenced by setCPU().

bool ArmISA::Interrupts::interrupts[NumInterruptTypes]
private
uint64_t ArmISA::Interrupts::intStatus
private

Definition at line 65 of file interrupts.hh.

Referenced by checkInterrupts(), checkWfiWake(), clear(), clearAll(), post(), serialize(), and unserialize().


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

Generated on Fri Jun 9 2017 13:04:29 for gem5 by doxygen 1.8.6