X86ISA::Walker::WalkerState Class Reference

#include <pagetable_walker.hh>

Public Member Functions
	WalkerState (Walker *_walker, BaseTLB::Translation *_translation, RequestPtr _req, bool _isFunctional=false)
void	initState (ThreadContext *_tc, BaseTLB::Mode _mode, bool _isTiming=false)
Fault	startWalk ()
Fault	startFunctional (Addr &addr, unsigned &logBytes)
bool	recvPacket (PacketPtr pkt)
bool	isRetrying ()
bool	wasStarted ()
bool	isTiming ()
void	retry ()
std::string	name () const

Protected Attributes
Walker *	walker
ThreadContext *	tc
RequestPtr	req
State	state
State	nextState
int	dataSize
bool	enableNX
unsigned	inflight
TlbEntry	entry
PacketPtr	read
std::vector< PacketPtr >	writes
Fault	timingFault
TLB::Translation *	translation
BaseTLB::Mode	mode
bool	functional
bool	timing
bool	retrying
bool	started

Private Types
enum	State {   Ready, Waiting, LongPML4, LongPDP,   LongPD, LongPTE, PAEPDP, PAEPD,   PAEPTE, PSEPD, PD, PTE }

Private Member Functions
void	setupWalk (Addr vaddr)
Fault	stepWalk (PacketPtr &write)
void	sendPackets ()
void	endWalk ()
Fault	pageFault (bool present)

Friends
class	Walker

Detailed Description

Definition at line 80 of file pagetable_walker.hh.

Member Enumeration Documentation

enum X86ISA::Walker::WalkerState::State

private

Enumerator
Ready
Waiting
LongPML4
LongPDP
LongPD
LongPTE
PAEPDP
PAEPD
PAEPTE
PSEPD
PD
PTE

Definition at line 84 of file pagetable_walker.hh.

Constructor & Destructor Documentation

X86ISA::Walker::WalkerState::WalkerState ( Walker *  _walker, BaseTLB::Translation *  _translation, RequestPtr  _req, bool  _isFunctional = false  )

inline

Definition at line 115 of file pagetable_walker.hh.

Member Function Documentation

void X86ISA::Walker::WalkerState::endWalk ( )

private

Definition at line 537 of file pagetable_walker.cc.

void X86ISA::Walker::WalkerState::initState	(	ThreadContext *	_tc,
		BaseTLB::Mode	_mode,
		bool	_isTiming = false
	)

Definition at line 180 of file pagetable_walker.cc.

References ArmISA::mode.

Referenced by X86ISA::Walker::start(), and X86ISA::Walker::startFunctional().

bool X86ISA::Walker::WalkerState::isRetrying

(

)

Definition at line 682 of file pagetable_walker.cc.

Referenced by X86ISA::Walker::recvReqRetry().

bool X86ISA::Walker::WalkerState::isTiming

(

)

Definition at line 688 of file pagetable_walker.cc.

Referenced by X86ISA::Walker::start().

std::string X86ISA::Walker::WalkerState::name ( ) const

inline

Definition at line 133 of file pagetable_walker.hh.

References SimObject::name(), and walker.

Fault X86ISA::Walker::WalkerState::pageFault ( bool  present )

private

Definition at line 707 of file pagetable_walker.cc.

References DPRINTF, BaseTLB::Execute, X86ISA::MISCREG_M5_REG, ArmISA::mode, X86ISA::present, and BaseTLB::Read.

bool X86ISA::Walker::WalkerState::recvPacket

(

PacketPtr

pkt

)

Definition at line 594 of file pagetable_walker.cc.

References Packet::headerDelay, Packet::isRead(), Packet::isResponse(), ArmISA::mode, NoFault, and Packet::payloadDelay.

Referenced by X86ISA::Walker::recvTimingResp().

void X86ISA::Walker::WalkerState::retry

(

)

Definition at line 700 of file pagetable_walker.cc.

Referenced by X86ISA::Walker::recvReqRetry().

void X86ISA::Walker::WalkerState::sendPackets ( )

private

Definition at line 649 of file pagetable_walker.cc.

void X86ISA::Walker::WalkerState::setupWalk ( Addr  vaddr )

private

Definition at line 546 of file pagetable_walker.cc.

References X86ISA::addr, if(), X86ISA::MISCREG_CR3, X86ISA::MISCREG_CR4, X86ISA::MISCREG_EFER, Request::PHYSICAL, MemCmd::ReadReq, Flags< T >::set(), Request::UNCACHEABLE, and X86ISA::vaddr.

Fault X86ISA::Walker::WalkerState::startFunctional	(	Addr &	addr,
		unsigned &	logBytes
	)

Definition at line 251 of file pagetable_walker.cc.

References NoFault.

Referenced by X86ISA::Walker::startFunctional().

Fault X86ISA::Walker::WalkerState::startWalk

(

)

Definition at line 222 of file pagetable_walker.cc.

References NoFault.

Referenced by X86ISA::Walker::start(), and X86ISA::Walker::startWalkWrapper().

Fault X86ISA::Walker::WalkerState::stepWalk ( PacketPtr &  write )

private

Definition at line 275 of file pagetable_walker.cc.

References bits(), Packet::cmd, DPRINTF, BaseTLB::Execute, Packet::get(), Request::getFlags(), Packet::getSize(), X86ISA::mask, ArmISA::mode, NoFault, panic, MemCmd::ReadReq, Packet::req, Flags< T >::set(), Packet::set(), Request::UNCACHEABLE, X86ISA::uncacheable, X86ISA::vaddr, and MemCmd::WriteReq.

bool X86ISA::Walker::WalkerState::wasStarted

(

)

Definition at line 694 of file pagetable_walker.cc.

Referenced by X86ISA::Walker::startWalkWrapper().

Friends And Related Function Documentation

friend class Walker

friend

Definition at line 82 of file pagetable_walker.hh.

Member Data Documentation

int X86ISA::Walker::WalkerState::dataSize

protected

Definition at line 101 of file pagetable_walker.hh.

bool X86ISA::Walker::WalkerState::enableNX

protected

Definition at line 102 of file pagetable_walker.hh.

TlbEntry X86ISA::Walker::WalkerState::entry

protected

Definition at line 104 of file pagetable_walker.hh.

bool X86ISA::Walker::WalkerState::functional

protected

Definition at line 110 of file pagetable_walker.hh.

unsigned X86ISA::Walker::WalkerState::inflight

protected

Definition at line 103 of file pagetable_walker.hh.

BaseTLB::Mode X86ISA::Walker::WalkerState::mode

protected

Definition at line 109 of file pagetable_walker.hh.

Referenced by X86ISA::Walker::startWalkWrapper().

State X86ISA::Walker::WalkerState::nextState

protected

Definition at line 100 of file pagetable_walker.hh.

PacketPtr X86ISA::Walker::WalkerState::read

protected

Definition at line 105 of file pagetable_walker.hh.

RequestPtr X86ISA::Walker::WalkerState::req

protected

Definition at line 98 of file pagetable_walker.hh.

Referenced by X86ISA::Walker::startWalkWrapper().

bool X86ISA::Walker::WalkerState::retrying

protected

Definition at line 112 of file pagetable_walker.hh.

bool X86ISA::Walker::WalkerState::started

protected

Definition at line 113 of file pagetable_walker.hh.

State X86ISA::Walker::WalkerState::state

protected

Definition at line 99 of file pagetable_walker.hh.

ThreadContext* X86ISA::Walker::WalkerState::tc

protected

Definition at line 97 of file pagetable_walker.hh.

Referenced by X86ISA::Walker::startWalkWrapper().

bool X86ISA::Walker::WalkerState::timing

protected

Definition at line 111 of file pagetable_walker.hh.

Fault X86ISA::Walker::WalkerState::timingFault

protected

Definition at line 107 of file pagetable_walker.hh.

TLB::Translation* X86ISA::Walker::WalkerState::translation

protected

Definition at line 108 of file pagetable_walker.hh.

Referenced by X86ISA::Walker::startWalkWrapper().

Walker* X86ISA::Walker::WalkerState::walker

protected

Definition at line 96 of file pagetable_walker.hh.

Referenced by name().

std::vector<PacketPtr> X86ISA::Walker::WalkerState::writes

protected

Definition at line 106 of file pagetable_walker.hh.

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

• arch/x86/pagetable_walker.hh
• arch/x86/pagetable_walker.cc