This class represents part of a data address translation. More...

#include <translation.hh>

Inheritance diagram for gem5::DataTranslation< ExecContextPtr >:

Public Member Functions
	DataTranslation (ExecContextPtr _xc, WholeTranslationState *_state)

	DataTranslation (ExecContextPtr _xc, WholeTranslationState *_state, int _index)

void	markDelayed ()
	Signal the translation state that the translation has been delayed due to a hw page table walk.

void	finish (const Fault &fault, const RequestPtr &req, ThreadContext *tc, BaseMMU::Mode mode)
	Finish this part of the translation and indicate that the whole translation is complete if the state says so.

bool	squashed () const
	This function is used by the page table walker to determine if it should translate the a pending request or if the underlying request has been squashed.

Public Member Functions inherited from gem5::BaseMMU::Translation
virtual	~Translation ()

Protected Attributes
ExecContextPtr	xc

WholeTranslationState *	state

int	index

Detailed Description

template<class ExecContextPtr>
class gem5::DataTranslation< ExecContextPtr >

This class represents part of a data address translation.

All state for the translation is held in WholeTranslationState (above). Therefore this class does not need to know whether the translation is split or not. The index variable determines this but is simply passed on to the state class. When this part of the translation is completed, finish is called. If the translation state class indicate that the whole translation is complete then the execution context is informed.

Definition at line 219 of file translation.hh.

Constructor & Destructor Documentation

◆ DataTranslation() [1/2]

template<class ExecContextPtr >

gem5::DataTranslation< ExecContextPtr >::DataTranslation	(	ExecContextPtr	_xc,
		WholeTranslationState *	_state )

inline

Definition at line 227 of file translation.hh.

◆ DataTranslation() [2/2]

template<class ExecContextPtr >

gem5::DataTranslation< ExecContextPtr >::DataTranslation	(	ExecContextPtr	_xc,
		WholeTranslationState *	_state,
		int	_index )

inline

Definition at line 232 of file translation.hh.

Member Function Documentation

◆ finish()

template<class ExecContextPtr >

void gem5::DataTranslation< ExecContextPtr >::finish	(	const Fault &	fault,
		const RequestPtr &	req,
		ThreadContext *	tc,
		BaseMMU::Mode	mode )

inlinevirtual

Finish this part of the translation and indicate that the whole translation is complete if the state says so.

Implements gem5::BaseMMU::Translation.

Definition at line 253 of file translation.hh.

References gem5::WholeTranslationState::finish(), gem5::WholeTranslationState::getFault(), gem5::DataTranslation< ExecContextPtr >::index, gem5::ArmISA::mode, gem5::WholeTranslationState::mode, gem5::NoFault, gem5::DataTranslation< ExecContextPtr >::state, and gem5::DataTranslation< ExecContextPtr >::xc.

◆ markDelayed()

template<class ExecContextPtr >

void gem5::DataTranslation< ExecContextPtr >::markDelayed ( )

inlinevirtual

Signal the translation state that the translation has been delayed due to a hw page table walk.

Split requests are transparently handled.

Implements gem5::BaseMMU::Translation.

Definition at line 243 of file translation.hh.

References gem5::WholeTranslationState::delay, and gem5::DataTranslation< ExecContextPtr >::state.

◆ squashed()

template<class ExecContextPtr >

bool gem5::DataTranslation< ExecContextPtr >::squashed ( ) const

inlinevirtual

This function is used by the page table walker to determine if it should translate the a pending request or if the underlying request has been squashed.

@ return Is the instruction that requested this translation squashed?

Reimplemented from gem5::BaseMMU::Translation.

Definition at line 269 of file translation.hh.

References gem5::DataTranslation< ExecContextPtr >::xc.