gem5::RiscvISA::Walker::WalkerState Class Reference

#include <pagetable_walker.hh>

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

Protected Attributes
Walker *	walker
ThreadContext *	tc
RequestPtr	req
State	state
State	nextState
int	level
unsigned	inflight
TlbEntry	entry
PacketPtr	read
std::vector< PacketPtr >	writes
Fault	timingFault
BaseMMU::Translation *	translation
BaseMMU::Mode	mode
SATP	satp
STATUS	status
PrivilegeMode	pmode
bool	functional
bool	timing
bool	retrying
bool	started
bool	squashed

Private Types
enum	State { Ready , Waiting , Translate }

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 86 of file pagetable_walker.hh.

Member Enumeration Documentation

State

enum gem5::RiscvISA::Walker::WalkerState::State

private

Enumerator
Ready
Waiting
Translate

Definition at line 90 of file pagetable_walker.hh.

Constructor & Destructor Documentation

WalkerState()

gem5::RiscvISA::Walker::WalkerState::WalkerState ( Walker * _walker, BaseMMU::Translation * _translation, const RequestPtr & _req, bool _isFunctional = false )

inline

Definition at line 120 of file pagetable_walker.hh.

References functional, inflight, level, nextState, Ready, req, retrying, squashed, started, state, timing, translation, Walker, and walker.

Member Function Documentation

endWalk()

void gem5::RiscvISA::Walker::WalkerState::endWalk ( )

private

Definition at line 510 of file pagetable_walker.cc.

References nextState, read, and Ready.

Referenced by stepWalk().

initState()

void gem5::RiscvISA::Walker::WalkerState::initState	(	ThreadContext *	_tc,
		BaseMMU::Mode	_mode,
		bool	_isTiming = false )

Definition at line 183 of file pagetable_walker.cc.

References gem5::RiscvISA::MISCREG_SATP, gem5::RiscvISA::MISCREG_STATUS, mode, pmode, Ready, satp, started, state, status, tc, timing, and walker.

Referenced by gem5::RiscvISA::Walker::start().

isRetrying()

bool gem5::RiscvISA::Walker::WalkerState::isRetrying

(

)

Definition at line 656 of file pagetable_walker.cc.

References retrying.

Referenced by gem5::RiscvISA::Walker::recvReqRetry().

isTiming()

bool gem5::RiscvISA::Walker::WalkerState::isTiming

(

)

Definition at line 662 of file pagetable_walker.cc.

References timing.

Referenced by gem5::RiscvISA::Walker::start().

name()

std::string gem5::RiscvISA::Walker::WalkerState::name ( ) const

inline

Definition at line 140 of file pagetable_walker.hh.

References walker.

numInflight()

unsigned gem5::RiscvISA::Walker::WalkerState::numInflight

(

)

const

Definition at line 650 of file pagetable_walker.cc.

References inflight.

Referenced by gem5::RiscvISA::Walker::startWalkWrapper().

pageFault()

Fault gem5::RiscvISA::Walker::WalkerState::pageFault ( bool present )

private

Definition at line 687 of file pagetable_walker.cc.

References DPRINTF, entry, mode, gem5::X86ISA::present, and walker.

Referenced by stepWalk().

recvPacket()

bool gem5::RiscvISA::Walker::WalkerState::recvPacket

(

PacketPtr

pkt

)

Definition at line 544 of file pagetable_walker.cc.

References gem5::Packet::headerDelay, inflight, gem5::Packet::isRead(), gem5::Packet::isResponse(), mode, nextState, gem5::NoFault, gem5::Packet::payloadDelay, pmode, read, Ready, req, satp, sendPackets(), gem5::sext(), squashed, state, stepWalk(), tc, timingFault, translation, gem5::RiscvISA::vaddr, Waiting, walker, and writes.

Referenced by gem5::RiscvISA::Walker::recvTimingResp().

retry()

void gem5::RiscvISA::Walker::WalkerState::retry

(

)

Definition at line 680 of file pagetable_walker.cc.

References retrying, and sendPackets().

Referenced by gem5::RiscvISA::Walker::recvReqRetry().

sendPackets()

void gem5::RiscvISA::Walker::WalkerState::sendPackets ( )

private

Definition at line 617 of file pagetable_walker.cc.

References inflight, read, retrying, walker, and writes.

Referenced by recvPacket(), retry(), and startWalk().

setupWalk()

void gem5::RiscvISA::Walker::WalkerState::setupWalk ( Addr vaddr )

private

Definition at line 518 of file pagetable_walker.cc.

References DPRINTF, entry, level, gem5::RiscvISA::LEVEL_BITS, gem5::RiscvISA::LEVEL_MASK, nextState, gem5::RiscvISA::PageShift, gem5::Request::PHYSICAL, read, gem5::MemCmd::ReadReq, Ready, satp, gem5::sext(), gem5::ArmISA::shift, state, Translate, gem5::RiscvISA::vaddr, and walker.

Referenced by startFunctional(), and startWalk().

squash()

void gem5::RiscvISA::Walker::WalkerState::squash

(

)

Definition at line 674 of file pagetable_walker.cc.

References squashed.

Referenced by gem5::RiscvISA::Walker::startWalkWrapper().

startFunctional()

Fault gem5::RiscvISA::Walker::WalkerState::startFunctional	(	Addr &	addr,
		unsigned &	logBytes )

Definition at line 296 of file pagetable_walker.cc.

References gem5::X86ISA::addr, entry, nextState, gem5::NoFault, gem5::RiscvISA::PageShift, read, Ready, setupWalk(), started, state, stepWalk(), and walker.

startWalk()

Fault gem5::RiscvISA::Walker::WalkerState::startWalk

(

)

Definition at line 267 of file pagetable_walker.cc.

References nextState, gem5::NoFault, read, Ready, req, sendPackets(), setupWalk(), started, state, stepWalk(), timing, timingFault, Waiting, and walker.

Referenced by gem5::RiscvISA::Walker::start(), and gem5::RiscvISA::Walker::startWalkWrapper().

stepWalk()

Fault gem5::RiscvISA::Walker::WalkerState::stepWalk ( PacketPtr & write )

private

Definition at line 320 of file pagetable_walker.cc.

References gem5::Packet::cmd, DPRINTF, endWalk(), entry, functional, gem5::Packet::getAddr(), gem5::Packet::getSize(), gem5::RiscvISA::getVPNFromVAddr(), level, gem5::RiscvISA::LEVEL_BITS, gem5::RiscvISA::LEVEL_MASK, gem5::RiscvISA::mask, mode, gem5::RiscvISA::NapotShift, nextState, gem5::NoFault, pageFault(), gem5::RiscvISA::PageShift, pmode, gem5::RiscvISA::PRV_S, gem5::BaseMMU::Read, read, gem5::MemCmd::ReadReq, Ready, gem5::Packet::req, satp, gem5::Packet::setLE(), gem5::ArmISA::shift, state, status, tc, Translate, Waiting, walker, gem5::BaseMMU::Write, and gem5::MemCmd::WriteReq.

Referenced by recvPacket(), startFunctional(), and startWalk().

wasStarted()

bool gem5::RiscvISA::Walker::WalkerState::wasStarted

(

)

Definition at line 668 of file pagetable_walker.cc.

References started.

Referenced by gem5::RiscvISA::Walker::startWalkWrapper().

Friends And Related Symbol Documentation

Walker

friend class Walker

friend

Definition at line 88 of file pagetable_walker.hh.

References Walker.

Referenced by Walker, and WalkerState().

Member Data Documentation

entry

TlbEntry gem5::RiscvISA::Walker::WalkerState::entry

protected

Definition at line 105 of file pagetable_walker.hh.

Referenced by pageFault(), setupWalk(), startFunctional(), and stepWalk().

functional

bool gem5::RiscvISA::Walker::WalkerState::functional

protected

Definition at line 114 of file pagetable_walker.hh.

Referenced by stepWalk(), and WalkerState().

inflight

unsigned gem5::RiscvISA::Walker::WalkerState::inflight

protected

Definition at line 104 of file pagetable_walker.hh.

Referenced by numInflight(), recvPacket(), sendPackets(), and WalkerState().

level

int gem5::RiscvISA::Walker::WalkerState::level

protected

Definition at line 103 of file pagetable_walker.hh.

Referenced by setupWalk(), stepWalk(), and WalkerState().

mode

BaseMMU::Mode gem5::RiscvISA::Walker::WalkerState::mode

protected

Definition at line 110 of file pagetable_walker.hh.

Referenced by initState(), pageFault(), recvPacket(), gem5::RiscvISA::Walker::startWalkWrapper(), and stepWalk().

nextState

State gem5::RiscvISA::Walker::WalkerState::nextState

protected

Definition at line 102 of file pagetable_walker.hh.

Referenced by endWalk(), recvPacket(), setupWalk(), startFunctional(), startWalk(), stepWalk(), and WalkerState().

pmode

PrivilegeMode gem5::RiscvISA::Walker::WalkerState::pmode

protected

Definition at line 113 of file pagetable_walker.hh.

Referenced by initState(), recvPacket(), gem5::RiscvISA::Walker::startWalkWrapper(), and stepWalk().

read

PacketPtr gem5::RiscvISA::Walker::WalkerState::read

protected

Definition at line 106 of file pagetable_walker.hh.

Referenced by endWalk(), recvPacket(), sendPackets(), setupWalk(), startFunctional(), startWalk(), and stepWalk().

req

RequestPtr gem5::RiscvISA::Walker::WalkerState::req

protected

Definition at line 100 of file pagetable_walker.hh.

Referenced by recvPacket(), startWalk(), gem5::RiscvISA::Walker::startWalkWrapper(), and WalkerState().

retrying

bool gem5::RiscvISA::Walker::WalkerState::retrying

protected

Definition at line 116 of file pagetable_walker.hh.

Referenced by isRetrying(), retry(), sendPackets(), and WalkerState().

satp

SATP gem5::RiscvISA::Walker::WalkerState::satp

protected

Definition at line 111 of file pagetable_walker.hh.

Referenced by initState(), recvPacket(), setupWalk(), gem5::RiscvISA::Walker::startWalkWrapper(), and stepWalk().

squashed

bool gem5::RiscvISA::Walker::WalkerState::squashed

protected

Definition at line 118 of file pagetable_walker.hh.

Referenced by recvPacket(), squash(), and WalkerState().

started

bool gem5::RiscvISA::Walker::WalkerState::started

protected

Definition at line 117 of file pagetable_walker.hh.

Referenced by initState(), startFunctional(), startWalk(), WalkerState(), and wasStarted().

state

State gem5::RiscvISA::Walker::WalkerState::state

protected

Definition at line 101 of file pagetable_walker.hh.

Referenced by initState(), recvPacket(), setupWalk(), startFunctional(), startWalk(), stepWalk(), and WalkerState().

status

STATUS gem5::RiscvISA::Walker::WalkerState::status

protected

Definition at line 112 of file pagetable_walker.hh.

Referenced by initState(), gem5::RiscvISA::Walker::startWalkWrapper(), and stepWalk().

tc

ThreadContext* gem5::RiscvISA::Walker::WalkerState::tc

protected

Definition at line 99 of file pagetable_walker.hh.

Referenced by initState(), recvPacket(), gem5::RiscvISA::Walker::startWalkWrapper(), and stepWalk().

timing

bool gem5::RiscvISA::Walker::WalkerState::timing

protected

Definition at line 115 of file pagetable_walker.hh.

Referenced by initState(), isTiming(), startWalk(), and WalkerState().

timingFault

Fault gem5::RiscvISA::Walker::WalkerState::timingFault

protected

Definition at line 108 of file pagetable_walker.hh.

Referenced by recvPacket(), and startWalk().

translation

BaseMMU::Translation* gem5::RiscvISA::Walker::WalkerState::translation

protected

Definition at line 109 of file pagetable_walker.hh.

Referenced by recvPacket(), gem5::RiscvISA::Walker::startWalkWrapper(), and WalkerState().

walker

Walker* gem5::RiscvISA::Walker::WalkerState::walker

protected

Definition at line 98 of file pagetable_walker.hh.

Referenced by initState(), name(), pageFault(), recvPacket(), sendPackets(), setupWalk(), startFunctional(), startWalk(), stepWalk(), and WalkerState().

writes

std::vector<PacketPtr> gem5::RiscvISA::Walker::WalkerState::writes

protected

Definition at line 107 of file pagetable_walker.hh.

Referenced by recvPacket(), and sendPackets().

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

• arch/riscv/pagetable_walker.hh
• arch/riscv/pagetable_walker.cc