gem5::SMMUTranslationProcess Class Reference

#include <smmu_v3_transl.hh>

Inheritance diagram for gem5::SMMUTranslationProcess:

Classes
struct	TranslContext
struct	TranslResult

Public Member Functions
	SMMUTranslationProcess (const std::string &name, SMMUv3 &_smmu, SMMUv3DeviceInterface &_ifc)
virtual	~SMMUTranslationProcess ()
void	beginTransaction (const SMMUTranslRequest &req)
void	resumeTransaction ()
Public Member Functions inherited from gem5::SMMUProcess
	SMMUProcess (const std::string &name, SMMUv3 &_smmu)
virtual	~SMMUProcess ()
SMMUAction	run (PacketPtr pkt)
const std::string	name () const
Public Member Functions inherited from gem5::Packet::SenderState
	SenderState ()
virtual	~SenderState ()

Private Types
enum	FaultType { FAULT_NONE , FAULT_TRANSLATION , FAULT_PERMISSION }

Private Member Functions
virtual void	main (Yield &yield)
TranslResult	bypass (Addr addr) const
TranslResult	smmuTranslation (Yield &yield)
bool	microTLBLookup (Yield &yield, TranslResult &tr)
bool	ifcTLBLookup (Yield &yield, TranslResult &tr, bool &wasPrefetched)
bool	smmuTLBLookup (Yield &yield, TranslResult &tr)
void	microTLBUpdate (Yield &yield, const TranslResult &tr)
void	ifcTLBUpdate (Yield &yield, const TranslResult &tr)
void	smmuTLBUpdate (Yield &yield, const TranslResult &tr)
bool	configCacheLookup (Yield &yield, TranslContext &tc)
void	configCacheUpdate (Yield &yield, const TranslContext &tc)
bool	findConfig (Yield &yield, TranslContext &tc, TranslResult &tr)
void	walkCacheLookup (Yield &yield, const WalkCache::Entry *&walkEntry, Addr addr, uint16_t asid, uint16_t vmid, unsigned stage, unsigned level)
void	walkCacheUpdate (Yield &yield, Addr va, Addr vaMask, Addr pa, unsigned stage, unsigned level, bool leaf, uint8_t permissions)
TranslResult	walkStage1And2 (Yield &yield, Addr addr, const ArmISA::PageTableOps *pt_ops, unsigned level, Addr walkPtr)
TranslResult	walkStage2 (Yield &yield, Addr addr, bool final_tr, const ArmISA::PageTableOps *pt_ops, unsigned level, Addr walkPtr)
TranslResult	translateStage1And2 (Yield &yield, Addr addr)
TranslResult	translateStage2 (Yield &yield, Addr addr, bool final_tr)
TranslResult	combineTranslations (const TranslResult &s1tr, const TranslResult &s2tr) const
bool	hazard4kCheck ()
	Used to force ordering on transactions with same (SID, SSID, 4k page) to avoid multiple identical page-table walks. More...
void	hazard4kRegister ()
void	hazard4kHold (Yield &yield)
void	hazard4kRelease ()
void	hazardIdRegister ()
	Used to force ordering on transactions with the same orderId. More...
void	hazardIdHold (Yield &yield)
void	hazardIdRelease ()
void	issuePrefetch (Addr addr)
void	completeTransaction (Yield &yield, const TranslResult &tr)
void	completePrefetch (Yield &yield)
void	sendEvent (Yield &yield, const SMMUEvent &ev)
void	doReadSTE (Yield &yield, StreamTableEntry &ste, uint32_t sid)
void	doReadCD (Yield &yield, ContextDescriptor &cd, const StreamTableEntry &ste, uint32_t sid, uint32_t ssid)
void	doReadConfig (Yield &yield, Addr addr, void *ptr, size_t size, uint32_t sid, uint32_t ssid)
void	doReadPTE (Yield &yield, Addr va, Addr addr, void *ptr, unsigned stage, unsigned level)

Private Attributes
SMMUv3DeviceInterface &	ifc
SMMUTranslRequest	request
TranslContext	context
Tick	recvTick
GEM5_CLASS_VAR_USED Tick	faultTick

Additional Inherited Members
Public Attributes inherited from gem5::Packet::SenderState
SenderState *	predecessor
Protected Types inherited from gem5::SMMUProcess
typedef Coroutine::CallerType	Yield
Protected Member Functions inherited from gem5::SMMUProcess
void	reinit ()
void	doRead (Yield &yield, Addr addr, void *ptr, size_t size)
void	doWrite (Yield &yield, Addr addr, const void *ptr, size_t size)
void	doDelay (Yield &yield, Cycles cycles)
void	doSleep (Yield &yield)
void	doSemaphoreDown (Yield &yield, SMMUSemaphore &sem)
void	doSemaphoreUp (SMMUSemaphore &sem)
void	doWaitForSignal (Yield &yield, SMMUSignal &sig)
void	doBroadcastSignal (SMMUSignal &sig)
void	scheduleWakeup (Tick when)
Protected Attributes inherited from gem5::SMMUProcess
SMMUv3 &	smmu

Detailed Description

Definition at line 70 of file smmu_v3_transl.hh.

Member Enumeration Documentation

FaultType

enum gem5::SMMUTranslationProcess::FaultType

private

Enumerator
FAULT_NONE
FAULT_TRANSLATION
FAULT_PERMISSION

Definition at line 86 of file smmu_v3_transl.hh.

Constructor & Destructor Documentation

SMMUTranslationProcess()

gem5::SMMUTranslationProcess::SMMUTranslationProcess	(	const std::string &	name,
		SMMUv3 &	_smmu,
		SMMUv3DeviceInterface &	_ifc
	)

Definition at line 85 of file smmu_v3_transl.cc.

References ifc, gem5::SMMUv3DeviceInterface::pendingMemAccesses, gem5::SMMUProcess::reinit(), and gem5::SMMUv3DeviceInterface::xlateSlotsRemaining.

Referenced by issuePrefetch().

~SMMUTranslationProcess()

gem5::SMMUTranslationProcess::~SMMUTranslationProcess ( )

virtual

Definition at line 99 of file smmu_v3_transl.cc.

References ifc, gem5::SMMUv3DeviceInterface::pendingMemAccesses, and gem5::Drainable::signalDrainDone().

Member Function Documentation

beginTransaction()

void gem5::SMMUTranslationProcess::beginTransaction

(

const SMMUTranslRequest &

req

)

Definition at line 113 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::reinit(), and request.

Referenced by gem5::SMMUv3DeviceInterface::atsRecvAtomic(), gem5::SMMUv3DeviceInterface::atsRecvTimingReq(), issuePrefetch(), gem5::SMMUv3DeviceInterface::recvAtomic(), gem5::SMMUv3DeviceInterface::recvTimingReq(), and resumeTransaction().

bypass()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::bypass ( Addr  addr ) const

private

Definition at line 243 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main(), and smmuTranslation().

combineTranslations()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::combineTranslations ( const TranslResult &  s1tr, const TranslResult &  s2tr  ) const

private

Definition at line 1034 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by walkStage1And2().

completePrefetch()

void gem5::SMMUTranslationProcess::completePrefetch ( Yield &  yield )

private

Definition at line 1295 of file smmu_v3_transl.cc.

References gem5::ArmISA::a, gem5::ACTION_TERMINATE, ifc, and gem5::SMMUv3DeviceInterface::xlateSlotsRemaining.

Referenced by main().

completeTransaction()

void gem5::SMMUTranslationProcess::completeTransaction ( Yield &  yield, const TranslResult &  tr  )

private

Definition at line 1233 of file smmu_v3_transl.cc.

References gem5::ArmISA::a, gem5::ACTION_SEND_REQ_FINAL, gem5::ACTION_SEND_RESP, gem5::ACTION_SEND_RESP_ATS, gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::curTick(), gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, gem5::Coroutine< Arg, Ret >::CallerType::get(), ifc, gem5::System::isAtomicMode(), gem5::SMMUTranslRequest::isAtsRequest, gem5::System::isTimingMode(), gem5::SMMUTranslRequest::isWrite, gem5::Packet::makeAtomicResponse(), gem5::Packet::makeTimingResponse(), panic, gem5::SMMUTranslRequest::pkt, gem5::SMMUv3DeviceInterface::portWidth, recvTick, request, gem5::SMMUv3::requestPortSem, gem5::SMMUv3::requestPortWidth, gem5::statistics::DistBase< Derived, Stor >::sample(), gem5::SMMUv3::scheduleDeviceRetries(), gem5::Packet::setAddr(), gem5::SMMUTranslRequest::size, gem5::SMMUProcess::smmu, gem5::SMMUv3::stats, gem5::SMMUv3::system, gem5::SMMUv3::SMMUv3Stats::translationTimeDist, gem5::SMMUv3DeviceInterface::wrBufSlotsRemaining, and gem5::SMMUv3DeviceInterface::xlateSlotsRemaining.

Referenced by main().

configCacheLookup()

bool gem5::SMMUTranslationProcess::configCacheLookup ( Yield &  yield, TranslContext &  tc  )

private

Definition at line 512 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslContext::asid, gem5::SMMUv3::configCache, gem5::SMMUv3::configCacheEnable, gem5::SMMUv3::configLat, gem5::SMMUv3::configSem, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslContext::httb, gem5::ConfigCache::lookup(), request, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::SMMUTranslRequest::sid, gem5::SMMUProcess::smmu, gem5::SMMUTranslRequest::ssid, gem5::SMMUTranslationProcess::TranslContext::stage1Enable, gem5::SMMUTranslationProcess::TranslContext::stage1TranslGranule, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUTranslationProcess::TranslContext::stage2TranslGranule, gem5::SMMUTranslationProcess::TranslContext::t0sz, gem5::SMMUTranslationProcess::TranslContext::ttb0, gem5::SMMUTranslationProcess::TranslContext::ttb1, and gem5::SMMUTranslationProcess::TranslContext::vmid.

Referenced by smmuTranslation().

configCacheUpdate()

void gem5::SMMUTranslationProcess::configCacheUpdate ( Yield &  yield, const TranslContext &  tc  )

private

Definition at line 552 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslContext::asid, gem5::SMMUv3::configCache, gem5::SMMUv3::configCacheEnable, gem5::SMMUv3::configSem, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslContext::httb, request, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::SMMUTranslRequest::sid, gem5::SMMUProcess::smmu, gem5::SMMUTranslRequest::ssid, gem5::SMMUTranslationProcess::TranslContext::stage1Enable, gem5::SMMUTranslationProcess::TranslContext::stage1TranslGranule, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUTranslationProcess::TranslContext::stage2TranslGranule, gem5::ConfigCache::store(), gem5::SMMUTranslationProcess::TranslContext::t0sz, gem5::SMMUTranslationProcess::TranslContext::ttb0, gem5::SMMUTranslationProcess::TranslContext::ttb1, and gem5::SMMUTranslationProcess::TranslContext::vmid.

Referenced by smmuTranslation().

doReadCD()

void gem5::SMMUTranslationProcess::doReadCD ( Yield &  yield, ContextDescriptor &  cd, const StreamTableEntry &  ste, uint32_t  sid, uint32_t  ssid  )

private

Definition at line 1406 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::bits(), gem5::ArmISA::cd, gem5::SMMUv3::SMMUv3Stats::cdFetches, gem5::SMMUv3::SMMUv3Stats::cdL1Fetches, context, doReadConfig(), DPRINTF, panic, gem5::StreamTableEntry::s1cdmax, gem5::StreamTableEntry::s1ctxptr, gem5::StreamTableEntry::s1fmt, gem5::SMMUProcess::smmu, gem5::ST_CD_ADDR_SHIFT, gem5::STAGE1_CFG_1L, gem5::STAGE1_CFG_2L_4K, gem5::STAGE1_CFG_2L_64K, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUv3::stats, and translateStage2().

Referenced by findConfig().

doReadConfig()

void gem5::SMMUTranslationProcess::doReadConfig ( Yield &  yield, Addr  addr, void *  ptr, size_t  size, uint32_t  sid, uint32_t  ssid  )

private

Definition at line 1470 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, and gem5::SMMUProcess::doRead().

Referenced by doReadCD(), and doReadSTE().

doReadPTE()

void gem5::SMMUTranslationProcess::doReadPTE ( Yield &  yield, Addr  va, Addr  addr, void *  ptr, unsigned  stage, unsigned  level  )

private

Definition at line 1478 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::X86ISA::base, gem5::SMMUProcess::doRead(), and gem5::mask().

Referenced by walkStage1And2(), and walkStage2().

doReadSTE()

void gem5::SMMUTranslationProcess::doReadSTE ( Yield &  yield, StreamTableEntry &  ste, uint32_t  sid  )

private

Definition at line 1338 of file smmu_v3_transl.cc.

References gem5::StreamTableEntry::_pad, gem5::bits(), doReadConfig(), DPRINTF, gem5::MipsISA::index, panic, gem5::SMMUv3::regs, gem5::SMMUProcess::smmu, gem5::ArmISA::span, gem5::ST_CFG_FMT_2LEVEL, gem5::ST_CFG_FMT_LINEAR, gem5::ST_CFG_FMT_MASK, gem5::ST_CFG_SIZE_MASK, gem5::ST_CFG_SPLIT_MASK, gem5::ST_CFG_SPLIT_SHIFT, gem5::ST_L2_ADDR_MASK, gem5::ST_L2_SPAN_MASK, gem5::SMMUv3::stats, gem5::SMMUv3::SMMUv3Stats::steFetches, gem5::SMMUv3::SMMUv3Stats::steL1Fetches, gem5::SMMURegs::strtab_base, gem5::SMMURegs::strtab_base_cfg, and gem5::VMT_BASE_ADDR_MASK.

Referenced by findConfig().

findConfig()

bool gem5::SMMUTranslationProcess::findConfig ( Yield &  yield, TranslContext &  tc, TranslResult &  tr  )

private

Definition at line 584 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslContext::asid, gem5::ArmISA::cd, gem5::CD_TTB_SHIFT, gem5::StreamTableEntry::config, context, doReadCD(), doReadSTE(), gem5::SMMUTranslationProcess::TranslContext::httb, panic, request, gem5::StreamTableEntry::s2t0sz, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::StreamTableEntry::s2tg, gem5::StreamTableEntry::s2ttb, gem5::StreamTableEntry::s2vmid, gem5::SMMUTranslRequest::sid, gem5::SMMUTranslRequest::ssid, gem5::SMMUTranslationProcess::TranslContext::stage1Enable, gem5::SMMUTranslationProcess::TranslContext::stage1TranslGranule, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUTranslationProcess::TranslContext::stage2TranslGranule, gem5::STE_CONFIG_BYPASS, gem5::STE_CONFIG_STAGE1_AND_2, gem5::STE_CONFIG_STAGE1_ONLY, gem5::STE_CONFIG_STAGE2_ONLY, gem5::STE_S2TTB_SHIFT, gem5::SMMUTranslationProcess::TranslContext::t0sz, gem5::TRANS_GRANULE_INVALID, gem5::SMMUTranslationProcess::TranslContext::ttb0, gem5::SMMUTranslationProcess::TranslContext::ttb1, and gem5::SMMUTranslationProcess::TranslContext::vmid.

Referenced by smmuTranslation().

hazard4kCheck()

bool gem5::SMMUTranslationProcess::hazard4kCheck ( )

private

Used to force ordering on transactions with same (SID, SSID, 4k page) to avoid multiple identical page-table walks.

Definition at line 1052 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUv3DeviceInterface::duplicateReqs, ifc, and request.

Referenced by main().

hazard4kHold()

void gem5::SMMUTranslationProcess::hazard4kHold ( Yield &  yield )

private

Definition at line 1078 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUProcess::doWaitForSignal(), DPRINTF, gem5::SMMUv3DeviceInterface::duplicateReqRemoved, gem5::SMMUv3DeviceInterface::duplicateReqs, ifc, and request.

Referenced by main().

hazard4kRegister()

void gem5::SMMUTranslationProcess::hazard4kRegister ( )

private

Definition at line 1069 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, DPRINTF, gem5::SMMUv3DeviceInterface::duplicateReqs, ifc, and request.

Referenced by main().

hazard4kRelease()

void gem5::SMMUTranslationProcess::hazard4kRelease ( )

private

Definition at line 1116 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUProcess::doBroadcastSignal(), DPRINTF, gem5::SMMUv3DeviceInterface::duplicateReqRemoved, gem5::SMMUv3DeviceInterface::duplicateReqs, ifc, panic, and request.

Referenced by main().

hazardIdHold()

void gem5::SMMUTranslationProcess::hazardIdHold ( Yield &  yield )

private

Definition at line 1151 of file smmu_v3_transl.cc.

References gem5::SMMUv3DeviceInterface::dependentReads, gem5::SMMUv3DeviceInterface::dependentReqRemoved, gem5::SMMUv3DeviceInterface::dependentWrites, gem5::SMMUProcess::doWaitForSignal(), DPRINTF, ifc, gem5::SMMUTranslRequest::isWrite, gem5::AMBA::orderId(), gem5::SMMUTranslRequest::pkt, and request.

Referenced by main().

hazardIdRegister()

void gem5::SMMUTranslationProcess::hazardIdRegister ( )

private

Used to force ordering on transactions with the same orderId.

This attempts to model AXI IDs.

Definition at line 1136 of file smmu_v3_transl.cc.

References gem5::SMMUv3DeviceInterface::dependentReads, gem5::SMMUv3DeviceInterface::dependentWrites, DPRINTF, ifc, gem5::SMMUTranslRequest::isWrite, gem5::AMBA::orderId(), gem5::SMMUTranslRequest::pkt, request, and gem5::SMMU_MAX_TRANS_ID.

Referenced by main().

hazardIdRelease()

void gem5::SMMUTranslationProcess::hazardIdRelease ( )

private

Definition at line 1190 of file smmu_v3_transl.cc.

References gem5::SMMUv3DeviceInterface::dependentReads, gem5::SMMUv3DeviceInterface::dependentReqRemoved, gem5::SMMUv3DeviceInterface::dependentWrites, gem5::SMMUProcess::doBroadcastSignal(), DPRINTF, ifc, gem5::SMMUTranslRequest::isWrite, gem5::AMBA::orderId(), panic, gem5::SMMUTranslRequest::pkt, and request.

Referenced by main().

ifcTLBLookup()

bool gem5::SMMUTranslationProcess::ifcTLBLookup ( Yield &  yield, TranslResult &  tr, bool &  wasPrefetched  )

private

Definition at line 348 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, ifc, gem5::SMMUTLB::lookup(), gem5::SMMUv3DeviceInterface::mainTLB, gem5::SMMUv3DeviceInterface::mainTLBEnable, gem5::SMMUv3DeviceInterface::mainTLBLat, gem5::SMMUv3DeviceInterface::mainTLBSem, request, gem5::SMMUTranslRequest::sid, gem5::SMMUTranslRequest::ssid, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

ifcTLBUpdate()

void gem5::SMMUTranslationProcess::ifcTLBUpdate ( Yield &  yield, const TranslResult &  tr  )

private

Definition at line 446 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTLB::ALLOC_ANY_BUT_LAST_WAY, gem5::SMMUTLB::ALLOC_ANY_WAY, gem5::SMMUTLB::ALLOC_LAST_WAY, gem5::SMMUTranslationProcess::TranslContext::asid, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, ifc, gem5::SMMUTranslRequest::isPrefetch, gem5::SMMUv3DeviceInterface::mainTLB, gem5::SMMUv3DeviceInterface::mainTLBEnable, gem5::SMMUv3DeviceInterface::mainTLBSem, gem5::SMMUv3DeviceInterface::prefetchEnable, gem5::SMMUv3DeviceInterface::prefetchReserveLastWay, request, gem5::SMMUTranslRequest::sid, gem5::SMMUTranslRequest::ssid, gem5::SMMUTLB::store(), gem5::SMMUTranslationProcess::TranslContext::vmid, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

issuePrefetch()

void gem5::SMMUTranslationProcess::issuePrefetch ( Addr  addr )

private

Definition at line 1215 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, beginTransaction(), gem5::Clocked::clockEdge(), gem5::csprintf(), ifc, gem5::System::isTimingMode(), gem5::SMMUProcess::name(), gem5::SMMUTranslRequest::prefetch(), gem5::SMMUv3DeviceInterface::prefetchEnable, request, gem5::SMMUProcess::scheduleWakeup(), gem5::SMMUTranslRequest::sid, gem5::SMMUProcess::smmu, SMMUTranslationProcess(), gem5::SMMUTranslRequest::ssid, gem5::SMMUv3::system, and gem5::SMMUv3DeviceInterface::xlateSlotsRemaining.

Referenced by main().

main()

void gem5::SMMUTranslationProcess::main ( Yield &  yield )

privatevirtual

Implements gem5::SMMUProcess.

Definition at line 139 of file smmu_v3_transl.cc.

References gem5::ArmISA::a, gem5::ACTION_INITIAL_NOP, gem5::SMMUTranslRequest::addr, bypass(), completePrefetch(), completeTransaction(), gem5::SMMURegs::cr0, gem5::CR0_SMMUEN_MASK, gem5::curTick(), gem5::SMMUv3DeviceInterface::devicePortSem, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, hazard4kCheck(), hazard4kHold(), hazard4kRegister(), hazard4kRelease(), hazardIdHold(), hazardIdRegister(), hazardIdRelease(), ifc, ifcTLBLookup(), ifcTLBUpdate(), gem5::SMMUTranslRequest::isAtsRequest, gem5::SMMUTranslRequest::isPrefetch, issuePrefetch(), gem5::SMMUTranslRequest::isWrite, microTLBLookup(), microTLBUpdate(), panic, gem5::SMMUv3DeviceInterface::portWidth, recvTick, gem5::SMMUv3::regs, request, gem5::SMMUTranslRequest::sid, gem5::SMMUTranslRequest::size, gem5::SMMUProcess::smmu, smmuTranslation(), and gem5::SMMUTranslRequest::ssid.

microTLBLookup()

bool gem5::SMMUTranslationProcess::microTLBLookup ( Yield &  yield, TranslResult &  tr  )

private

Definition at line 317 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, ifc, gem5::SMMUTLB::lookup(), gem5::SMMUv3DeviceInterface::microTLB, gem5::SMMUv3DeviceInterface::microTLBEnable, gem5::SMMUv3DeviceInterface::microTLBLat, gem5::SMMUv3DeviceInterface::microTLBSem, request, gem5::SMMUTranslRequest::sid, gem5::SMMUTranslRequest::ssid, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

microTLBUpdate()

void gem5::SMMUTranslationProcess::microTLBUpdate ( Yield &  yield, const TranslResult &  tr  )

private

Definition at line 414 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTLB::ALLOC_ANY_WAY, gem5::SMMUTranslationProcess::TranslContext::asid, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, ifc, gem5::SMMUv3DeviceInterface::microTLB, gem5::SMMUv3DeviceInterface::microTLBEnable, gem5::SMMUv3DeviceInterface::microTLBSem, request, gem5::SMMUTranslRequest::sid, gem5::SMMUTranslRequest::ssid, gem5::SMMUTLB::store(), gem5::SMMUTranslationProcess::TranslContext::vmid, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

resumeTransaction()

void gem5::SMMUTranslationProcess::resumeTransaction

(

)

Definition at line 121 of file smmu_v3_transl.cc.

References beginTransaction(), gem5::curTick(), DPRINTF, faultTick, gem5::System::isTimingMode(), gem5::SMMUTranslRequest::pkt, request, gem5::SMMUv3::runProcessTiming(), gem5::SMMUProcess::smmu, and gem5::SMMUv3::system.

sendEvent()

void gem5::SMMUTranslationProcess::sendEvent ( Yield &  yield, const SMMUEvent &  ev  )

private

Definition at line 1308 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::doWrite(), DPRINTF, gem5::E_BASE_ADDR_MASK, gem5::E_BASE_ENABLE_MASK, gem5::SMMURegs::eventq_base, gem5::SMMURegs::eventq_cons, gem5::SMMURegs::eventq_irq_cfg0, gem5::SMMURegs::eventq_irq_cfg1, gem5::SMMURegs::eventq_prod, gem5::SMMUEvent::flags, gem5::SMMUEvent::ipa, gem5::mask(), panic, gem5::Q_BASE_ADDR_MASK, gem5::Q_BASE_SIZE_MASK, gem5::SMMUv3::regs, gem5::SMMUProcess::smmu, gem5::SMMUEvent::stag, gem5::SMMUEvent::streamId, gem5::SMMUEvent::substreamId, gem5::SMMUEvent::type, and gem5::SMMUEvent::va.

smmuTLBLookup()

bool gem5::SMMUTranslationProcess::smmuTLBLookup ( Yield &  yield, TranslResult &  tr  )

private

Definition at line 383 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTranslationProcess::TranslContext::asid, context, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, gem5::ARMArchTLB::lookup(), request, gem5::SMMUProcess::smmu, gem5::SMMUv3::tlb, gem5::SMMUv3::tlbEnable, gem5::SMMUv3::tlbLat, gem5::SMMUv3::tlbSem, gem5::SMMUTranslationProcess::TranslContext::vmid, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by smmuTranslation().

smmuTLBUpdate()

void gem5::SMMUTranslationProcess::smmuTLBUpdate ( Yield &  yield, const TranslResult &  tr  )

private

Definition at line 483 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTranslationProcess::TranslContext::asid, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, request, gem5::SMMUProcess::smmu, gem5::ARMArchTLB::store(), gem5::SMMUv3::tlb, gem5::SMMUv3::tlbEnable, gem5::SMMUv3::tlbSem, gem5::SMMUTranslationProcess::TranslContext::vmid, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by smmuTranslation().

smmuTranslation()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::smmuTranslation ( Yield &  yield )

private

Definition at line 255 of file smmu_v3_transl.cc.

References gem5::SMMUTranslRequest::addr, bypass(), configCacheLookup(), configCacheUpdate(), context, gem5::curTick(), gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, findConfig(), gem5::SMMUv3::ifcSmmuLat, gem5::SMMUv3::ifcSmmuSem, gem5::SMMUv3::ptwSem, gem5::SMMUv3::SMMUv3Stats::ptwTimeDist, request, gem5::statistics::DistBase< Derived, Stor >::sample(), gem5::SMMUProcess::smmu, gem5::SMMUv3::smmuIfcLat, gem5::SMMUv3::smmuIfcSem, smmuTLBLookup(), smmuTLBUpdate(), gem5::SMMUTranslationProcess::TranslContext::stage1Enable, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUv3::stats, translateStage1And2(), translateStage2(), and gem5::SMMUv3::transSem.

Referenced by main().

translateStage1And2()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::translateStage1And2 ( Yield &  yield, Addr  addr  )

private

Definition at line 889 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTranslationProcess::TranslContext::asid, context, DPRINTF, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, gem5::ArmISA::getPageTableOps(), gem5::ArmISA::GrainMap_tg0, gem5::WalkCache::Entry::leaf, gem5::X86ISA::level, gem5::WalkCache::Entry::pa, gem5::WalkCache::Entry::permissions, gem5::SMMUTranslationProcess::TranslContext::stage1TranslGranule, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUTranslationProcess::TranslContext::t0sz, translateStage2(), gem5::SMMUTranslationProcess::TranslContext::ttb0, gem5::WalkCache::Entry::vaMask, gem5::SMMUTranslationProcess::TranslContext::vmid, walkCacheLookup(), walkStage1And2(), and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by smmuTranslation().

translateStage2()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::translateStage2 ( Yield &  yield, Addr  addr, bool  final_tr  )

private

Definition at line 945 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, context, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, gem5::ArmISA::getPageTableOps(), gem5::ArmISA::GrainMap_tg0, gem5::SMMUTranslationProcess::TranslContext::httb, gem5::SMMUv3::ipaCache, gem5::SMMUv3::ipaCacheEnable, gem5::SMMUv3::ipaLat, gem5::IPACache::Entry::ipaMask, gem5::SMMUv3::ipaSem, gem5::WalkCache::Entry::leaf, gem5::X86ISA::level, gem5::IPACache::lookup(), gem5::IPACache::Entry::pa, gem5::WalkCache::Entry::pa, gem5::IPACache::Entry::permissions, gem5::WalkCache::Entry::permissions, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::SMMUProcess::smmu, gem5::SMMUTranslationProcess::TranslContext::stage1Enable, gem5::SMMUTranslationProcess::TranslContext::stage2TranslGranule, gem5::IPACache::store(), gem5::WalkCache::Entry::vaMask, gem5::SMMUTranslationProcess::TranslContext::vmid, walkCacheLookup(), gem5::SMMUv3::walkCacheNonfinalEnable, walkStage2(), and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by doReadCD(), smmuTranslation(), translateStage1And2(), and walkStage1And2().

walkCacheLookup()

void gem5::SMMUTranslationProcess::walkCacheLookup ( Yield &  yield, const WalkCache::Entry *&  walkEntry, Addr  addr, uint16_t  asid, uint16_t  vmid, unsigned  stage, unsigned  level  )

private

Definition at line 654 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::ArmISA::asid, context, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::getPageTableOps(), gem5::ArmISA::GrainMap_tg0, gem5::X86ISA::level, gem5::WalkCache::lookup(), gem5::WalkCache::Entry::pa, gem5::SMMUProcess::smmu, gem5::SMMUTranslationProcess::TranslContext::stage1TranslGranule, gem5::SMMUTranslationProcess::TranslContext::stage2TranslGranule, gem5::SMMUv3::walkCache, gem5::SMMUv3::walkCacheEnable, gem5::SMMUv3::walkCacheS1Levels, gem5::SMMUv3::walkCacheS2Levels, gem5::SMMUv3::walkLat, and gem5::SMMUv3::walkSem.

Referenced by translateStage1And2(), and translateStage2().

walkCacheUpdate()

void gem5::SMMUTranslationProcess::walkCacheUpdate ( Yield &  yield, Addr  va, Addr  vaMask, Addr  pa, unsigned  stage, unsigned  level, bool  leaf, uint8_t  permissions  )

private

Definition at line 696 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslContext::asid, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::X86ISA::level, gem5::ArmISA::pa, gem5::SMMUProcess::smmu, gem5::WalkCache::store(), gem5::ArmISA::va, gem5::SMMUTranslationProcess::TranslContext::vmid, gem5::SMMUv3::walkCache, gem5::SMMUv3::walkCacheEnable, gem5::SMMUv3::walkCacheS1Levels, gem5::SMMUv3::walkCacheS2Levels, and gem5::SMMUv3::walkSem.

Referenced by walkStage1And2(), and walkStage2().

walkStage1And2()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::walkStage1And2 ( Yield &  yield, Addr  addr, const ArmISA::PageTableOps *  pt_ops, unsigned  level, Addr  walkPtr  )

private

Definition at line 737 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, combineTranslations(), context, gem5::SMMUv3::cycleSem, gem5::SMMUProcess::doDelay(), doReadPTE(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, FAULT_PERMISSION, FAULT_TRANSLATION, gem5::ArmISA::PageTableOps::index(), gem5::ArmISA::PageTableOps::isLeaf(), gem5::ArmISA::PageTableOps::isValid(), gem5::ArmISA::PageTableOps::isWritable(), gem5::SMMUTranslRequest::isWrite, gem5::ArmISA::PageTableOps::lastLevel(), gem5::X86ISA::level, gem5::ArmISA::PageTableOps::nextLevelPointer(), gem5::ArmISA::PageTableOps::pageMask(), request, gem5::SMMUProcess::smmu, gem5::SMMUTranslationProcess::TranslContext::stage2Enable, gem5::SMMUTranslationProcess::TranslContext::t0sz, translateStage2(), walkCacheUpdate(), gem5::ArmISA::PageTableOps::walkMask(), and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by translateStage1And2().

walkStage2()

SMMUTranslationProcess::TranslResult gem5::SMMUTranslationProcess::walkStage2 ( Yield &  yield, Addr  addr, bool  final_tr, const ArmISA::PageTableOps *  pt_ops, unsigned  level, Addr  walkPtr  )

private

Definition at line 822 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, context, gem5::SMMUv3::cycleSem, gem5::SMMUProcess::doDelay(), doReadPTE(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, FAULT_PERMISSION, FAULT_TRANSLATION, gem5::ArmISA::PageTableOps::index(), gem5::ArmISA::PageTableOps::isLeaf(), gem5::ArmISA::PageTableOps::isValid(), gem5::ArmISA::PageTableOps::isWritable(), gem5::SMMUTranslRequest::isWrite, gem5::ArmISA::PageTableOps::lastLevel(), gem5::X86ISA::level, gem5::ArmISA::PageTableOps::nextLevelPointer(), gem5::ArmISA::PageTableOps::pageMask(), request, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::SMMUProcess::smmu, gem5::SMMUv3::walkCacheNonfinalEnable, walkCacheUpdate(), gem5::ArmISA::PageTableOps::walkMask(), and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by translateStage2().

Member Data Documentation

context

TranslContext gem5::SMMUTranslationProcess::context

private

Definition at line 104 of file smmu_v3_transl.hh.

Referenced by doReadCD(), findConfig(), ifcTLBUpdate(), microTLBUpdate(), smmuTLBLookup(), smmuTLBUpdate(), smmuTranslation(), translateStage1And2(), translateStage2(), walkCacheLookup(), walkCacheUpdate(), walkStage1And2(), and walkStage2().

faultTick

GEM5_CLASS_VAR_USED Tick gem5::SMMUTranslationProcess::faultTick

private

Definition at line 107 of file smmu_v3_transl.hh.

Referenced by resumeTransaction().

ifc

SMMUv3DeviceInterface& gem5::SMMUTranslationProcess::ifc

private

Definition at line 101 of file smmu_v3_transl.hh.

Referenced by completePrefetch(), completeTransaction(), hazard4kCheck(), hazard4kHold(), hazard4kRegister(), hazard4kRelease(), hazardIdHold(), hazardIdRegister(), hazardIdRelease(), ifcTLBLookup(), ifcTLBUpdate(), issuePrefetch(), main(), microTLBLookup(), microTLBUpdate(), SMMUTranslationProcess(), and ~SMMUTranslationProcess().

recvTick

Tick gem5::SMMUTranslationProcess::recvTick

private

Definition at line 106 of file smmu_v3_transl.hh.

Referenced by completeTransaction(), and main().

request

SMMUTranslRequest gem5::SMMUTranslationProcess::request

private

Definition at line 103 of file smmu_v3_transl.hh.

Referenced by beginTransaction(), completeTransaction(), configCacheLookup(), configCacheUpdate(), findConfig(), hazard4kCheck(), hazard4kHold(), hazard4kRegister(), hazard4kRelease(), hazardIdHold(), hazardIdRegister(), hazardIdRelease(), ifcTLBLookup(), ifcTLBUpdate(), issuePrefetch(), main(), microTLBLookup(), microTLBUpdate(), resumeTransaction(), smmuTLBLookup(), smmuTLBUpdate(), smmuTranslation(), walkStage1And2(), and walkStage2().

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

• dev/arm/smmu_v3_transl.hh
• dev/arm/smmu_v3_transl.cc