#include <pagetable_walker.hh>

Public Member Functions
	WalkerState (Walker *_walker, PacketPtr pkt, bool is_functional=false)

void	initState (BaseMMU::Mode _mode, Addr baseAddr, Addr vaddr, bool is_functional=false)

void	startWalk ()

Fault	startFunctional (Addr base, Addr vaddr, PageTableEntry &pte, unsigned &logBytes)

bool	isRetrying ()

void	retry ()

std::string	name () const

Walker *	getWalker () const

Protected Attributes
Walker *	walker

State	state

State	nextState

int	dataSize

bool	enableNX

VegaTlbEntry	entry

PacketPtr	read

Fault	timingFault

BaseMMU::Mode	mode

bool	retrying

bool	started

bool	timing

PacketPtr	tlbPkt

Private Types
enum	State { Ready , Waiting , PDE2 , PDE1 , PDE0 , PTE }

Private Member Functions
Fault	stepWalk ()

void	stepTimingWalk ()

void	walkStateMachine (PageTableEntry &pte, Addr &nextRead, bool &doEndWalk, Fault &fault)

void	sendPackets ()
	Port related methods. More...

void	endWalk ()

Fault	pageFault (bool present)

uint64_t	offsetFunc (Addr logicalAddr, int top, int lsb)

Friends
class	Walker

Detailed Description

Definition at line 76 of file pagetable_walker.hh.

Member Enumeration Documentation

◆ State

enum gem5::VegaISA::Walker::WalkerState::State

private

Enumerator
Ready
Waiting
PDE2
PDE1
PDE0
PTE

Definition at line 81 of file pagetable_walker.hh.

Constructor & Destructor Documentation

◆ WalkerState()

gem5::VegaISA::Walker::WalkerState::WalkerState	(	Walker *	_walker,
		PacketPtr	pkt,
		bool	is_functional = `false`
	)

inline

Definition at line 104 of file pagetable_walker.hh.

References DPRINTF, state, and walker.

Member Function Documentation

◆ endWalk()

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

private

Definition at line 331 of file pagetable_walker.cc.

◆ getWalker()

Walker* gem5::VegaISA::Walker::WalkerState::getWalker ( ) const

inline

Definition at line 121 of file pagetable_walker.hh.

References walker.

Referenced by gem5::VegaISA::Walker::startFunctional().

◆ initState()

void gem5::VegaISA::Walker::WalkerState::initState	(	BaseMMU::Mode	_mode,
		Addr	baseAddr,
		Addr	vaddr,
		bool	is_functional = `false`
	)

Definition at line 123 of file pagetable_walker.cc.

References gem5::VegaISA::Walker::baseAddr, DPRINTF, flags, gem5::ArmISA::mode, gem5::VegaISA::PageShift, gem5::Request::PHYSICAL, gem5::MemCmd::ReadReq, state, and gem5::MipsISA::vaddr.

Referenced by gem5::VegaISA::Walker::startFunctional(), and gem5::VegaISA::Walker::startTiming().

◆ isRetrying()

bool gem5::VegaISA::Walker::WalkerState::isRetrying ( )

Definition at line 429 of file pagetable_walker.cc.

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

◆ name()

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

inline

Definition at line 120 of file pagetable_walker.hh.

References gem5::Named::name(), and walker.

◆ offsetFunc()

uint64_t gem5::VegaISA::Walker::WalkerState::offsetFunc	(	Addr	logicalAddr,
		int	top,
		int	lsb
	)

private

Definition at line 458 of file pagetable_walker.cc.

◆ pageFault()

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

private

Definition at line 442 of file pagetable_walker.cc.

References DPRINTF, gem5::BaseMMU::Execute, gem5::VegaISA::INST_PAGE, gem5::VegaISA::LOAD_PAGE, gem5::ArmISA::mode, gem5::X86ISA::present, gem5::BaseMMU::Read, gem5::VegaISA::STORE_PAGE, and gem5::BaseMMU::Write.

◆ retry()

void gem5::VegaISA::Walker::WalkerState::retry ( )

Definition at line 435 of file pagetable_walker.cc.

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

◆ sendPackets()

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

private

Port related methods.

Definition at line 343 of file pagetable_walker.cc.

References DPRINTF.

◆ startFunctional()

Fault gem5::VegaISA::Walker::WalkerState::startFunctional	(	Addr	base,
		Addr	vaddr,
		PageTableEntry &	pte,
		unsigned &	logBytes
	)

Definition at line 73 of file pagetable_walker.cc.

References DPRINTF, entry, gem5::Packet::getAddr(), gem5::System::getDeviceMemory(), nextState, gem5::NoFault, gem5::VegaISA::PageShift, read, started, state, stepWalk(), gem5::VegaISA::Walker::system, gem5::MipsISA::vaddr, and walker.

Referenced by gem5::VegaISA::Walker::startFunctional().

◆ startWalk()

void gem5::VegaISA::Walker::WalkerState::startWalk ( )

Definition at line 161 of file pagetable_walker.cc.

References DPRINTF, gem5::mask(), gem5::NoFault, gem5::VegaISA::PageShift, and state.

Referenced by gem5::VegaISA::Walker::recvTimingResp(), and gem5::VegaISA::Walker::startTiming().

◆ stepTimingWalk()

void gem5::VegaISA::Walker::WalkerState::stepTimingWalk ( )

private

◆ stepWalk()

Fault gem5::VegaISA::Walker::WalkerState::stepWalk ( )

private

Definition at line 199 of file pagetable_walker.cc.

References DPRINTF, flags, gem5::Packet::getSize(), gem5::NoFault, gem5::MemCmd::ReadReq, gem5::Packet::req, state, and gem5::Request::UNCACHEABLE.

Referenced by startFunctional().

◆ walkStateMachine()

void gem5::VegaISA::Walker::WalkerState::walkStateMachine	(	PageTableEntry &	pte,
		Addr &	nextRead,
		bool &	doEndWalk,
		Fault &	fault
	)

private

Definition at line 233 of file pagetable_walker.cc.

References DPRINTF, gem5::BaseMMU::Execute, gem5::VegaISA::fragment, gem5::mask(), gem5::ArmISA::mode, gem5::VegaISA::PageShift, panic, panic_if, state, and gem5::MipsISA::vaddr.

Friends And Related Function Documentation

◆ Walker

friend class Walker

friend

Definition at line 78 of file pagetable_walker.hh.

Member Data Documentation

◆ dataSize

int gem5::VegaISA::Walker::WalkerState::dataSize

protected

Definition at line 92 of file pagetable_walker.hh.

◆ enableNX

bool gem5::VegaISA::Walker::WalkerState::enableNX

protected

Definition at line 93 of file pagetable_walker.hh.

◆ entry

VegaTlbEntry gem5::VegaISA::Walker::WalkerState::entry

protected

Definition at line 94 of file pagetable_walker.hh.

Referenced by startFunctional().

◆ mode

BaseMMU::Mode gem5::VegaISA::Walker::WalkerState::mode

protected

Definition at line 97 of file pagetable_walker.hh.

◆ nextState

State gem5::VegaISA::Walker::WalkerState::nextState

protected

Definition at line 91 of file pagetable_walker.hh.

Referenced by startFunctional().

◆ read

PacketPtr gem5::VegaISA::Walker::WalkerState::read

protected

Definition at line 95 of file pagetable_walker.hh.

Referenced by startFunctional().

◆ retrying

bool gem5::VegaISA::Walker::WalkerState::retrying

protected

Definition at line 98 of file pagetable_walker.hh.

◆ started

bool gem5::VegaISA::Walker::WalkerState::started

protected

Definition at line 99 of file pagetable_walker.hh.

Referenced by startFunctional().

◆ state

State gem5::VegaISA::Walker::WalkerState::state

protected

Definition at line 90 of file pagetable_walker.hh.

Referenced by startFunctional(), and WalkerState().

◆ timing

bool gem5::VegaISA::Walker::WalkerState::timing

protected

Definition at line 100 of file pagetable_walker.hh.

◆ timingFault

Fault gem5::VegaISA::Walker::WalkerState::timingFault

protected

Definition at line 96 of file pagetable_walker.hh.

◆ tlbPkt

PacketPtr gem5::VegaISA::Walker::WalkerState::tlbPkt

protected

Definition at line 101 of file pagetable_walker.hh.

◆ walker

Walker* gem5::VegaISA::Walker::WalkerState::walker

protected

Definition at line 89 of file pagetable_walker.hh.

Referenced by getWalker(), name(), startFunctional(), and WalkerState().

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

arch/amdgpu/vega/pagetable_walker.hh
arch/amdgpu/vega/pagetable_walker.cc

Public Member Functions

Protected Attributes

Private Types

Private Member Functions

Friends

Detailed Description

Member Enumeration Documentation

◆ State

Constructor & Destructor Documentation

◆ WalkerState()

Member Function Documentation

◆ endWalk()

◆ getWalker()

◆ initState()

◆ isRetrying()

◆ name()

◆ offsetFunc()

◆ pageFault()

◆ retry()

◆ sendPackets()

◆ startFunctional()

◆ startWalk()

◆ stepTimingWalk()

◆ stepWalk()

◆ walkStateMachine()

Friends And Related Function Documentation

◆ Walker

Member Data Documentation

◆ dataSize

◆ enableNX

◆ entry

◆ mode

◆ nextState

◆ read

◆ retrying

◆ started

◆ state

◆ timing

◆ timingFault

◆ tlbPkt

◆ walker