gem5::VegaISA::Walker::WalkerState Class Reference

#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
int	blockFragmentSize

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.
void	endWalk ()
Fault	pageFault (bool present)
uint64_t	offsetFunc (Addr logicalAddr, int top, int lsb)

Friends
class	Walker

Detailed Description

Definition at line 80 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 85 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 109 of file pagetable_walker.hh.

References blockFragmentSize, dataSize, DPRINTF, enableNX, nextState, Ready, retrying, started, state, tlbPkt, Walker, and walker.

Member Function Documentation

endWalk()

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

private

Definition at line 351 of file pagetable_walker.cc.

References nextState, read, Ready, and walker.

Referenced by stepWalk().

getWalker()

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

inline

Definition at line 127 of file pagetable_walker.hh.

References Walker, and walker.

initState()

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

Definition at line 122 of file pagetable_walker.cc.

References gem5::VegaISA::Walker::baseAddr, dataSize, DPRINTF, enableNX, entry, mode, nextState, gem5::VegaISA::PageShift, PDE2, gem5::Request::PHYSICAL, read, gem5::MemCmd::ReadReq, Ready, started, state, timing, gem5::MipsISA::vaddr, and walker.

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

isRetrying()

bool gem5::VegaISA::Walker::WalkerState::isRetrying

(

)

Definition at line 481 of file pagetable_walker.cc.

References retrying.

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

name()

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

inline

Definition at line 126 of file pagetable_walker.hh.

References walker.

offsetFunc()

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

private

Definition at line 510 of file pagetable_walker.cc.

Referenced by walkStateMachine().

pageFault()

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

private

Definition at line 494 of file pagetable_walker.cc.

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

Referenced by walkStateMachine().

retry()

void gem5::VegaISA::Walker::WalkerState::retry

(

)

Definition at line 487 of file pagetable_walker.cc.

References retrying, and sendPackets().

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

sendPackets()

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

private

Port related methods.

Definition at line 363 of file pagetable_walker.cc.

References gem5::X86ISA::addr, DPRINTF, read, retrying, and walker.

Referenced by retry(), and startWalk().

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 gem5::RiscvISA::base, DPRINTF, entry, nextState, gem5::NoFault, gem5::VegaISA::PageShift, read, started, state, stepWalk(), gem5::MipsISA::vaddr, and walker.

startWalk()

void gem5::VegaISA::Walker::WalkerState::startWalk

(

)

Definition at line 160 of file pagetable_walker.cc.

References DPRINTF, entry, gem5::ArmISA::mask, nextState, gem5::NoFault, gem5::VegaISA::PageShift, read, sendPackets(), started, state, stepWalk(), timingFault, tlbPkt, and walker.

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

stepTimingWalk()

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

private

References gem5::X86ISA::present.

stepWalk()

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

private

Definition at line 198 of file pagetable_walker.cc.

References DPRINTF, endWalk(), gem5::Packet::getSize(), gem5::NoFault, read, gem5::MemCmd::ReadReq, Ready, gem5::Packet::req, gem5::Flags< T >::set(), state, gem5::Request::UNCACHEABLE, Waiting, walker, and walkStateMachine().

Referenced by startFunctional(), and startWalk().

walkStateMachine()

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

private

Definition at line 232 of file pagetable_walker.cc.

References blockFragmentSize, DPRINTF, enableNX, entry, gem5::BaseMMU::Execute, gem5::VegaISA::fragment, gem5::ArmISA::mask, mode, nextState, offsetFunc(), pageFault(), gem5::VegaISA::PageShift, panic, PDE0, PDE1, PDE2, PTE, state, and gem5::MipsISA::vaddr.

Referenced by stepWalk().

Friends And Related Symbol Documentation

Walker

friend class Walker

friend

Definition at line 82 of file pagetable_walker.hh.

References Walker.

Referenced by getWalker(), Walker, and WalkerState().

Member Data Documentation

blockFragmentSize

int gem5::VegaISA::Walker::WalkerState::blockFragmentSize

protected

Definition at line 106 of file pagetable_walker.hh.

Referenced by WalkerState(), and walkStateMachine().

dataSize

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

protected

Definition at line 96 of file pagetable_walker.hh.

Referenced by initState(), and WalkerState().

enableNX

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

protected

Definition at line 97 of file pagetable_walker.hh.

Referenced by initState(), pageFault(), WalkerState(), and walkStateMachine().

entry

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

protected

Definition at line 98 of file pagetable_walker.hh.

Referenced by initState(), pageFault(), startFunctional(), startWalk(), and walkStateMachine().

mode

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

protected

Definition at line 101 of file pagetable_walker.hh.

Referenced by initState(), pageFault(), and walkStateMachine().

nextState

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

protected

Definition at line 95 of file pagetable_walker.hh.

Referenced by endWalk(), initState(), startFunctional(), startWalk(), WalkerState(), and walkStateMachine().

read

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

protected

Definition at line 99 of file pagetable_walker.hh.

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

retrying

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

protected

Definition at line 102 of file pagetable_walker.hh.

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

started

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

protected

Definition at line 103 of file pagetable_walker.hh.

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

state

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

protected

Definition at line 94 of file pagetable_walker.hh.

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

timing

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

protected

Definition at line 104 of file pagetable_walker.hh.

Referenced by initState().

timingFault

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

protected

Definition at line 100 of file pagetable_walker.hh.

Referenced by startWalk().

tlbPkt

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

protected

Definition at line 105 of file pagetable_walker.hh.

Referenced by startWalk(), and WalkerState().

walker

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

protected

Definition at line 93 of file pagetable_walker.hh.

Referenced by endWalk(), getWalker(), initState(), name(), sendPackets(), startFunctional(), startWalk(), stepWalk(), and WalkerState().

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

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