gem5::SMMUTranslationProcess Class Reference

#include <smmu_v3_transl.hh>

Inheritance diagram for gem5::SMMUTranslationProcess:

Classes
struct	Fault
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 : uint8_t {   FAULT_NONE , FAULT_UUT = 0x1 , FAULT_BAD_STREAMID = 0x2 , FAULT_STE_FETCH = 0x3 ,   FAULT_BAD_STE = 0x4 , FAULT_BAD_ATS_TREQ = 0x5 , FAULT_STREAM_DISABLED = 0x6 , FAULT_TRANSL_FORBIDDEN = 0x7 ,   FAULT_BAD_SUBSTREAMID = 0x8 , FAULT_CD_FETCH = 0x9 , FAULT_BAD_CD = 0xa , FAULT_WALK_EABT = 0xb ,   FAULT_TRANSLATION = 0x10 , FAULT_ADDR_SIZE = 0x11 , FAULT_ACCESS = 0x12 , FAULT_PERMISSION = 0x13 ,   FAULT_TLB_CONFLICT = 0x20 , FAULT_CFG_CONFLICT = 0x21 , FAULT_PAGE_REQUEST = 0x24 , FAULT_VMS_FETCH = 0x25 }
enum	FaultClass { CD = 0x0 , TT = 0x1 , IN = 0x2 , RESERVED = 0x3 }

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.
void	hazard4kRegister ()
void	hazard4kHold (Yield &yield)
void	hazard4kRelease ()
void	hazardIdRegister ()
	Used to force ordering on transactions with the same orderId.
void	hazardIdHold (Yield &yield)
void	hazardIdRelease ()
void	issuePrefetch (Addr addr)
void	abortTransaction (Yield &yield, const TranslResult &tr)
void	completeTransaction (Yield &yield, const TranslResult &tr)
void	completePrefetch (Yield &yield)
SMMUEvent	generateEvent (const TranslResult &tr)
void	sendEvent (Yield &yield, const SMMUEvent &ev)
void	sendEventInterrupt (Yield &yield)
void	doReadSTE (Yield &yield, StreamTableEntry &ste, uint32_t sid)
TranslResult	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

FaultClass

enum gem5::SMMUTranslationProcess::FaultClass

private

Enumerator
CD
TT
IN
RESERVED

Definition at line 111 of file smmu_v3_transl.hh.

FaultType

enum gem5::SMMUTranslationProcess::FaultType : uint8_t

private

Enumerator
FAULT_NONE
FAULT_UUT
FAULT_BAD_STREAMID
FAULT_STE_FETCH
FAULT_BAD_STE
FAULT_BAD_ATS_TREQ
FAULT_STREAM_DISABLED
FAULT_TRANSL_FORBIDDEN
FAULT_BAD_SUBSTREAMID
FAULT_CD_FETCH
FAULT_BAD_CD
FAULT_WALK_EABT
FAULT_TRANSLATION
FAULT_ADDR_SIZE
FAULT_ACCESS
FAULT_PERMISSION
FAULT_TLB_CONFLICT
FAULT_CFG_CONFLICT
FAULT_PAGE_REQUEST
FAULT_VMS_FETCH

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 86 of file smmu_v3_transl.cc.

References ifc, gem5::SMMUProcess::name(), gem5::SMMUProcess::reinit(), and gem5::SMMUProcess::SMMUProcess().

Referenced by issuePrefetch().

~SMMUTranslationProcess()

gem5::SMMUTranslationProcess::~SMMUTranslationProcess ( )

virtual

Definition at line 100 of file smmu_v3_transl.cc.

References ifc.

Member Function Documentation

abortTransaction()

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

private

Definition at line 1235 of file smmu_v3_transl.cc.

References gem5::ArmISA::a, gem5::ACTION_SEND_RESP, gem5::CR0_EVENTQEN_MASK, DPRINTF, gem5::MipsISA::event, generateEvent(), ifc, panic, request, sendEvent(), and gem5::SMMUProcess::smmu.

Referenced by main().

beginTransaction()

void gem5::SMMUTranslationProcess::beginTransaction

(

const SMMUTranslRequest &

req

)

Definition at line 114 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 242 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::X86ISA::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 1036 of file smmu_v3_transl.cc.

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

Referenced by walkStage1And2().

completePrefetch()

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

private

Definition at line 1337 of file smmu_v3_transl.cc.

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

Referenced by main().

completeTransaction()

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

private

Definition at line 1275 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::SMMUTranslationProcess::TranslResult::addr, gem5::curTick(), gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), ifc, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), panic, recvTick, request, gem5::Packet::setAddr(), and gem5::SMMUProcess::smmu.

Referenced by main().

configCacheLookup()

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

private

Definition at line 511 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslContext::asid, gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslContext::httb, request, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::SMMUProcess::smmu, 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 551 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslContext::asid, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslContext::httb, request, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::SMMUProcess::smmu, 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().

doReadCD()

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

private

Definition at line 1496 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::bits(), CD, gem5::ArmISA::cd, gem5::SMMUTranslationProcess::Fault::clss, context, doReadConfig(), DPRINTF, gem5::SMMUTranslationProcess::TranslResult::fault, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), 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, 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 1576 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 1584 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, gem5::RiscvISA::base, gem5::SMMUProcess::doRead(), gem5::X86ISA::level, gem5::ArmISA::mask, and gem5::ArmISA::va.

Referenced by walkStage1And2(), and walkStage2().

doReadSTE()

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

private

Definition at line 1428 of file smmu_v3_transl.cc.

References gem5::StreamTableEntry::_pad, gem5::bits(), doReadConfig(), DPRINTF, gem5::MipsISA::index, panic, 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, and gem5::VMT_BASE_ADDR_MASK.

Referenced by findConfig().

findConfig()

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

private

Definition at line 583 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, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), panic, request, gem5::SMMUTranslationProcess::TranslContext::s2t0sz, gem5::StreamTableEntry::s2t0sz, gem5::StreamTableEntry::s2tg, gem5::StreamTableEntry::s2ttb, gem5::StreamTableEntry::s2vmid, 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().

generateEvent()

SMMUEvent gem5::SMMUTranslationProcess::generateEvent ( const TranslResult & tr )

private

Definition at line 1350 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::Fault::clss, gem5::MipsISA::event, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_PERMISSION, FAULT_TRANSLATION, gem5::SMMUTranslationProcess::Fault::ipa, panic, request, gem5::SMMUTranslationProcess::Fault::stage2, and gem5::SMMUTranslationProcess::Fault::type.

Referenced by abortTransaction().

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 1054 of file smmu_v3_transl.cc.

References ifc, and request.

Referenced by main().

hazard4kHold()

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

private

Definition at line 1080 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::doWaitForSignal(), DPRINTF, ifc, and request.

Referenced by main().

hazard4kRegister()

void gem5::SMMUTranslationProcess::hazard4kRegister ( )

private

Definition at line 1071 of file smmu_v3_transl.cc.

References DPRINTF, ifc, and request.

Referenced by main().

hazard4kRelease()

void gem5::SMMUTranslationProcess::hazard4kRelease ( )

private

Definition at line 1118 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::doBroadcastSignal(), DPRINTF, ifc, panic, and request.

Referenced by main().

hazardIdHold()

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

private

Definition at line 1153 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::doWaitForSignal(), DPRINTF, ifc, gem5::AMBA::orderId(), 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 1138 of file smmu_v3_transl.cc.

References DPRINTF, ifc, gem5::AMBA::orderId(), request, and gem5::SMMU_MAX_TRANS_ID.

Referenced by main().

hazardIdRelease()

void gem5::SMMUTranslationProcess::hazardIdRelease ( )

private

Definition at line 1192 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::doBroadcastSignal(), DPRINTF, ifc, gem5::AMBA::orderId(), panic, and request.

Referenced by main().

ifcTLBLookup()

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

private

Definition at line 347 of file smmu_v3_transl.cc.

References 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, request, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

ifcTLBUpdate()

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

private

Definition at line 445 of file smmu_v3_transl.cc.

References 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, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, ifc, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), request, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

issuePrefetch()

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

private

Definition at line 1217 of file smmu_v3_transl.cc.

References gem5::X86ISA::addr, beginTransaction(), gem5::csprintf(), ifc, gem5::SMMUProcess::name(), gem5::SMMUTranslRequest::prefetch(), request, gem5::SMMUProcess::scheduleWakeup(), gem5::SMMUProcess::smmu, and SMMUTranslationProcess().

Referenced by main().

main()

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

privatevirtual

Implements gem5::SMMUProcess.

Definition at line 140 of file smmu_v3_transl.cc.

References gem5::ArmISA::a, abortTransaction(), gem5::ACTION_INITIAL_NOP, bypass(), completePrefetch(), completeTransaction(), gem5::CR0_SMMUEN_MASK, gem5::curTick(), gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), hazard4kCheck(), hazard4kHold(), hazard4kRegister(), hazard4kRelease(), hazardIdHold(), hazardIdRegister(), hazardIdRelease(), ifc, ifcTLBLookup(), ifcTLBUpdate(), gem5::SMMUTranslationProcess::TranslResult::isFaulting(), issuePrefetch(), microTLBLookup(), microTLBUpdate(), panic, recvTick, request, gem5::SMMUProcess::smmu, and smmuTranslation().

microTLBLookup()

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

private

Definition at line 316 of file smmu_v3_transl.cc.

References 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, request, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

microTLBUpdate()

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

private

Definition at line 413 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTLB::ALLOC_ANY_WAY, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, ifc, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), request, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by main().

resumeTransaction()

void gem5::SMMUTranslationProcess::resumeTransaction

(

)

Definition at line 122 of file smmu_v3_transl.cc.

References beginTransaction(), gem5::curTick(), DPRINTF, faultTick, request, and gem5::SMMUProcess::smmu.

sendEvent()

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

private

Definition at line 1376 of file smmu_v3_transl.cc.

References gem5::SMMUEvent::data, gem5::SMMUProcess::doWrite(), DPRINTF, gem5::ArmISA::mask, panic, gem5::SMMUEvent::print(), gem5::Q_BASE_ADDR_MASK, gem5::Q_BASE_SIZE_MASK, sendEventInterrupt(), and gem5::SMMUProcess::smmu.

Referenced by abortTransaction().

sendEventInterrupt()

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

private

Definition at line 1409 of file smmu_v3_transl.cc.

References gem5::SMMUProcess::doWrite(), DPRINTF, gem5::E_BASE_ADDR_MASK, and gem5::SMMUProcess::smmu.

Referenced by sendEvent().

smmuTLBLookup()

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

private

Definition at line 382 of file smmu_v3_transl.cc.

References 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, request, gem5::SMMUProcess::smmu, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by smmuTranslation().

smmuTLBUpdate()

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

private

Definition at line 482 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), request, gem5::SMMUProcess::smmu, and gem5::SMMUTranslationProcess::TranslResult::writable.

Referenced by smmuTranslation().

smmuTranslation()

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

private

Definition at line 254 of file smmu_v3_transl.cc.

References bypass(), configCacheLookup(), configCacheUpdate(), context, gem5::curTick(), gem5::SMMUProcess::doDelay(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), findConfig(), gem5::SMMUTranslationProcess::TranslResult::isFaulting(), request, gem5::SMMUProcess::smmu, smmuTLBLookup(), smmuTLBUpdate(), translateStage1And2(), and translateStage2().

Referenced by main().

translateStage1And2()

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

private

Definition at line 890 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, context, DPRINTF, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, gem5::ArmISA::getPageTableOps(), gem5::ArmISA::GrainMap_tg0, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), gem5::WalkCache::Entry::leaf, gem5::X86ISA::level, gem5::WalkCache::Entry::pa, gem5::WalkCache::Entry::permissions, translateStage2(), gem5::WalkCache::Entry::vaMask, 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 947 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::X86ISA::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::IPACache::Entry::ipaMask, gem5::SMMUTranslationProcess::TranslResult::isFaulting(), gem5::WalkCache::Entry::leaf, gem5::X86ISA::level, gem5::IPACache::Entry::pa, gem5::WalkCache::Entry::pa, gem5::IPACache::Entry::permissions, gem5::WalkCache::Entry::permissions, gem5::SMMUProcess::smmu, gem5::WalkCache::Entry::vaMask, walkCacheLookup(), 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 653 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::Entry::pa, and gem5::SMMUProcess::smmu.

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 695 of file smmu_v3_transl.cc.

References context, gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::ArmISA::e, gem5::X86ISA::level, gem5::ArmISA::pa, gem5::SMMUProcess::smmu, and gem5::ArmISA::va.

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 736 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, gem5::SMMUTranslationProcess::Fault::clss, combineTranslations(), context, gem5::SMMUProcess::doDelay(), doReadPTE(), gem5::SMMUProcess::doSemaphoreDown(), gem5::SMMUProcess::doSemaphoreUp(), DPRINTF, gem5::SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, FAULT_PERMISSION, FAULT_TRANSLATION, IN, gem5::ArmISA::PageTableOps::index(), gem5::SMMUTranslationProcess::TranslResult::isFaulting(), gem5::ArmISA::PageTableOps::isLeaf(), gem5::ArmISA::PageTableOps::isValid(), gem5::ArmISA::PageTableOps::isWritable(), gem5::ArmISA::PageTableOps::lastLevel(), gem5::X86ISA::level, gem5::ArmISA::PageTableOps::nextLevelPointer(), gem5::ArmISA::PageTableOps::pageMask(), request, gem5::SMMUProcess::smmu, 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 823 of file smmu_v3_transl.cc.

References gem5::SMMUTranslationProcess::TranslResult::addr, gem5::X86ISA::addr, gem5::SMMUTranslationProcess::TranslResult::addrMask, context, 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::ArmISA::PageTableOps::lastLevel(), gem5::X86ISA::level, gem5::ArmISA::PageTableOps::nextLevelPointer(), gem5::ArmISA::PageTableOps::pageMask(), request, gem5::SMMUProcess::smmu, TT, 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 159 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 162 of file smmu_v3_transl.hh.

Referenced by resumeTransaction().

ifc

SMMUv3DeviceInterface& gem5::SMMUTranslationProcess::ifc

private

Definition at line 156 of file smmu_v3_transl.hh.

Referenced by abortTransaction(), 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 161 of file smmu_v3_transl.hh.

Referenced by completeTransaction(), and main().

request

SMMUTranslRequest gem5::SMMUTranslationProcess::request

private

Definition at line 158 of file smmu_v3_transl.hh.

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

---

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

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