PC alignment fault (AArch64 only) More...

#include <faults.hh>

Inheritance diagram for gem5::ArmISA::PCAlignmentFault:

Public Member Functions
	PCAlignmentFault (Addr fault_pc)
void	invoke (ThreadContext *tc, const StaticInstPtr &inst=nullStaticInstPtr) override
bool	routeToHyp (ThreadContext *tc) const override
bool	il (ThreadContext *tc) const override
	Syndrome methods.
Public Member Functions inherited from gem5::ArmISA::ArmFaultVals< PCAlignmentFault >
	ArmFaultVals (ExtMachInst mach_inst=0, uint32_t _iss=0)
FaultName	name () const override
FaultOffset	offset (ThreadContext *tc) override
FaultOffset	offset64 (ThreadContext *tc) override
OperatingMode	nextMode () override
virtual bool	routeToMonitor (ThreadContext *tc) const override
uint8_t	armPcOffset (bool is_hyp) override
uint8_t	thumbPcOffset (bool is_hyp) override
uint8_t	armPcElrOffset () override
uint8_t	thumbPcElrOffset () override
bool	abortDisable (ThreadContext *tc) override
bool	fiqDisable (ThreadContext *tc) override
ExceptionClass	ec (ThreadContext *tc) const override
	Syndrome methods.
uint32_t	iss () const override
Public Member Functions inherited from gem5::ArmISA::ArmFault
	ArmFault (ExtMachInst mach_inst=0, uint32_t _iss=0)
MiscRegIndex	getSyndromeReg64 () const
void	invoke32 (ThreadContext *tc, const StaticInstPtr &inst=nullStaticInstPtr)
void	invoke64 (ThreadContext *tc, const StaticInstPtr &inst=nullStaticInstPtr)
virtual void	update (ThreadContext *tc)
bool	isResetSPSR ()
bool	vectorCatch (ThreadContext *tc, const StaticInstPtr &inst)
ArmStaticInst *	instrAnnotate (const StaticInstPtr &inst)
virtual void	annotate (AnnotationIDs id, uint64_t val)
virtual uint32_t	vectorCatchFlag () const
virtual bool	isStage2 () const
virtual FSR	getFsr (ThreadContext *tc) const
virtual void	setSyndrome (ThreadContext *tc, MiscRegIndex syndrome_reg)
virtual bool	getFaultVAddr (Addr &va) const
OperatingMode	getToMode () const
virtual bool	isExternalAbort () const
Public Member Functions inherited from gem5::FaultBase
virtual	~FaultBase ()

Protected Attributes
Addr	faultPC
	The unaligned value of the PC.
Protected Attributes inherited from gem5::ArmISA::ArmFault
ExtMachInst	machInst
uint32_t	issRaw
bool	bStep
bool	from64
bool	to64
ExceptionLevel	fromEL
ExceptionLevel	toEL
OperatingMode	fromMode
OperatingMode	toMode
bool	faultUpdated
bool	hypRouted
bool	span

Additional Inherited Members
Public Types inherited from gem5::ArmISA::ArmFault
enum	FaultSource { AlignmentFault = 0 , InstructionCacheMaintenance , SynchExtAbtOnTranslTableWalkLL , SynchPtyErrOnTranslTableWalkLL = SynchExtAbtOnTranslTableWalkLL + 4 , TranslationLL = SynchPtyErrOnTranslTableWalkLL + 4 , AccessFlagLL = TranslationLL + 4 , DomainLL = AccessFlagLL + 4 , PermissionLL = DomainLL + 4 , DebugEvent = PermissionLL + 4 , SynchronousExternalAbort , TLBConflictAbort , SynchPtyErrOnMemoryAccess , AsynchronousExternalAbort , AsynchPtyErrOnMemoryAccess , AddressSizeLL , PrefetchTLBMiss = AddressSizeLL + 4 , PrefetchUncacheable , NumFaultSources , FaultSourceInvalid = 0xff }
	Generic fault source enums used to index into {short/long/aarch64}DescFaultSources[] to get the actual encodings based on the current register width state and the translation table format in use. More...
enum	AnnotationIDs { S1PTW , OVA , SAS , SSE , SRT , CM , OFA , WnR , SF , AR }
enum	DebugType { NODEBUG = 0 , BRKPOINT , VECTORCATCH , WPOINT_CM , WPOINT_NOCM }
Static Public Attributes inherited from gem5::ArmISA::ArmFault
static uint8_t	shortDescFaultSources [NumFaultSources]
	Encodings of the fault sources when the short-desc.
static uint8_t	longDescFaultSources [NumFaultSources]
	Encodings of the fault sources when the long-desc.
static uint8_t	aarch64FaultSources [NumFaultSources]
	Encodings of the fault sources in AArch64 state.
Protected Member Functions inherited from gem5::ArmISA::ArmFaultVals< PCAlignmentFault >
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
ArmFault::FaultVals	vals
Protected Member Functions inherited from gem5::ArmISA::ArmFault
virtual Addr	getVector (ThreadContext *tc)
Addr	getVector64 (ThreadContext *tc)

Detailed Description

PC alignment fault (AArch64 only)

Definition at line 622 of file faults.hh.

Constructor & Destructor Documentation

◆ PCAlignmentFault()

gem5::ArmISA::PCAlignmentFault::PCAlignmentFault ( Addr fault_pc )

inline

Definition at line 628 of file faults.hh.

References faultPC.

Member Function Documentation

◆ il()

bool gem5::ArmISA::PCAlignmentFault::il ( ThreadContext * tc ) const

inlineoverridevirtual

Syndrome methods.

Reimplemented from gem5::ArmISA::ArmFaultVals< PCAlignmentFault >.

Definition at line 635 of file faults.hh.

◆ invoke()

void gem5::ArmISA::PCAlignmentFault::invoke	(	ThreadContext *	tc,
		const StaticInstPtr &	inst = nullStaticInstPtr )

overridevirtual

Reimplemented from gem5::ArmISA::ArmFault.

Definition at line 1523 of file faults.cc.

References faultPC, gem5::ArmISA::ArmFault::from64, gem5::ArmISA::ArmFault::invoke(), gem5::ArmISA::ArmFault::toEL, and gem5::ArmISA::misc_regs::writeRegister().

◆ routeToHyp()

bool gem5::ArmISA::PCAlignmentFault::routeToHyp ( ThreadContext * tc ) const

overridevirtual

Reimplemented from gem5::ArmISA::ArmFault.

Definition at line 1532 of file faults.cc.

References gem5::ArmISA::EL1, gem5::ArmISA::EL2, gem5::ArmISA::EL2Enabled(), gem5::ArmISA::ArmFault::fromEL, gem5::ArmISA::MISCREG_HCR_EL2, and gem5::ThreadContext::readMiscRegNoEffect().

Member Data Documentation

◆ faultPC

Addr gem5::ArmISA::PCAlignmentFault::faultPC

protected

The unaligned value of the PC.

Definition at line 626 of file faults.hh.

Referenced by invoke(), and PCAlignmentFault().

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

arch/arm/faults.hh
arch/arm/faults.cc

Public Member Functions

Protected Attributes

Additional Inherited Members