gem5::ArmISA::TableWalker::Stage2Walk Class Reference

This translation class is used to trigger the data fetch once a timing translation returns the translated physical address. More...

#include <table_walker.hh>

Inheritance diagram for gem5::ArmISA::TableWalker::Stage2Walk:

Public Member Functions
	Stage2Walk (TableWalker &_parent, uint8_t *_data, Event *_event, Addr vaddr, BaseMMU::Mode mode, MMU::ArmTranslationType tran_type)
void	markDelayed ()
	Signal 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)
void	setVirt (Addr vaddr, int size, Request::Flags flags, int requestorId)
void	translateTiming (ThreadContext *tc)
Public Member Functions inherited from gem5::BaseMMU::Translation
virtual	~Translation ()
virtual 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 Attributes
Fault	fault

Private Attributes
uint8_t *	data
int	numBytes
RequestPtr	req
Event *	event
TableWalker &	parent
Addr	oVAddr
BaseMMU::Mode	mode
MMU::ArmTranslationType	tranType

Detailed Description

This translation class is used to trigger the data fetch once a timing translation returns the translated physical address.

Definition at line 1037 of file table_walker.hh.

Constructor & Destructor Documentation

Stage2Walk()

gem5::TableWalker::Stage2Walk::Stage2Walk	(	TableWalker &	_parent,
		uint8_t *	_data,
		Event *	_event,
		Addr	vaddr,
		BaseMMU::Mode	mode,
		MMU::ArmTranslationType	tran_type )

Definition at line 2538 of file table_walker.cc.

References data, event, fault, mode, gem5::NoFault, numBytes, oVAddr, parent, req, gem5::ArmISA::TableWalker::TableWalker(), tranType, and gem5::MipsISA::vaddr.

Member Function Documentation

finish()

void gem5::TableWalker::Stage2Walk::finish ( const Fault & fault, const RequestPtr & req, ThreadContext * tc, BaseMMU::Mode mode )

virtual

Implements gem5::BaseMMU::Translation.

Definition at line 2548 of file table_walker.cc.

References gem5::ArmISA::ArmFault::annotate(), gem5::Clocked::clockPeriod(), data, event, fault, gem5::ThreadContext::getCpuPtr(), mode, gem5::Request::NO_ACCESS, gem5::NoFault, gem5::ArmISA::ArmFault::OVA, oVAddr, parent, req, and gem5::ArmISA::ArmFault::S1PTW.

markDelayed()

void gem5::ArmISA::TableWalker::Stage2Walk::markDelayed ( )

inlinevirtual

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

Implements gem5::BaseMMU::Translation.

Definition at line 1056 of file table_walker.hh.

setVirt()

void gem5::ArmISA::TableWalker::Stage2Walk::setVirt ( Addr vaddr, int size, Request::Flags flags, int requestorId )

inline

Definition at line 1062 of file table_walker.hh.

References numBytes, req, gem5::ArmISA::TableWalker::requestorId, and gem5::MipsISA::vaddr.

Referenced by gem5::ArmISA::TableWalker::readDataTimed().

translateTiming()

void gem5::TableWalker::Stage2Walk::translateTiming

(

ThreadContext *

tc

)

Definition at line 2573 of file table_walker.cc.

References mode, parent, req, and tranType.

Referenced by gem5::ArmISA::TableWalker::readDataTimed().

Member Data Documentation

data

uint8_t* gem5::ArmISA::TableWalker::Stage2Walk::data

private

Definition at line 1040 of file table_walker.hh.

Referenced by finish(), and Stage2Walk().

event

Event* gem5::ArmISA::TableWalker::Stage2Walk::event

private

Definition at line 1043 of file table_walker.hh.

Referenced by finish(), and Stage2Walk().

fault

Fault gem5::ArmISA::TableWalker::Stage2Walk::fault

Definition at line 1050 of file table_walker.hh.

Referenced by finish(), and Stage2Walk().

mode

BaseMMU::Mode gem5::ArmISA::TableWalker::Stage2Walk::mode

private

Definition at line 1046 of file table_walker.hh.

Referenced by finish(), Stage2Walk(), and translateTiming().

numBytes

int gem5::ArmISA::TableWalker::Stage2Walk::numBytes

private

Definition at line 1041 of file table_walker.hh.

Referenced by setVirt(), and Stage2Walk().

oVAddr

Addr gem5::ArmISA::TableWalker::Stage2Walk::oVAddr

private

Definition at line 1045 of file table_walker.hh.

Referenced by finish(), and Stage2Walk().

parent

TableWalker& gem5::ArmISA::TableWalker::Stage2Walk::parent

private

Definition at line 1044 of file table_walker.hh.

Referenced by finish(), Stage2Walk(), and translateTiming().

req

RequestPtr gem5::ArmISA::TableWalker::Stage2Walk::req

private

Definition at line 1042 of file table_walker.hh.

Referenced by finish(), setVirt(), Stage2Walk(), and translateTiming().

tranType

MMU::ArmTranslationType gem5::ArmISA::TableWalker::Stage2Walk::tranType

private

Definition at line 1047 of file table_walker.hh.

Referenced by Stage2Walk(), and translateTiming().

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

• arch/arm/table_walker.hh
• arch/arm/table_walker.cc