gem5  v20.1.0.0
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SMMUTranslationProcess Class Reference

#include <smmu_v3_transl.hh>

Inheritance diagram for SMMUTranslationProcess:
SMMUProcess Packet::SenderState

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 SMMUProcess
 SMMUProcess (const std::string &name, SMMUv3 &_smmu)
 
virtual ~SMMUProcess ()
 
SMMUAction run (PacketPtr pkt)
 
const std::string name () const
 
- Public Member Functions inherited from 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 PageTableOps *pt_ops, unsigned level, Addr walkPtr)
 
TranslResult walkStage2 (Yield &yield, Addr addr, bool final_tr, const 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
 
Tick M5_CLASS_VAR_USED faultTick
 

Additional Inherited Members

- Public Attributes inherited from Packet::SenderState
SenderState * predecessor
 
- Protected Types inherited from SMMUProcess
typedef Coroutine::CallerType Yield
 
- Protected Member Functions inherited from 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 SMMUProcess
SMMUv3 & smmu
 

Detailed Description

Definition at line 63 of file smmu_v3_transl.hh.

Member Enumeration Documentation

◆ FaultType

enum SMMUTranslationProcess::FaultType
private
Enumerator
FAULT_NONE 
FAULT_TRANSLATION 
FAULT_PERMISSION 

Definition at line 79 of file smmu_v3_transl.hh.

Constructor & Destructor Documentation

◆ SMMUTranslationProcess()

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

Definition at line 79 of file smmu_v3_transl.cc.

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

Referenced by issuePrefetch().

◆ ~SMMUTranslationProcess()

SMMUTranslationProcess::~SMMUTranslationProcess ( )
virtual

Definition at line 93 of file smmu_v3_transl.cc.

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

Member Function Documentation

◆ beginTransaction()

void SMMUTranslationProcess::beginTransaction ( const SMMUTranslRequest &  req)

Definition at line 107 of file smmu_v3_transl.cc.

References SMMUProcess::reinit(), and request.

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

◆ bypass()

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

Definition at line 237 of file smmu_v3_transl.cc.

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

Referenced by main(), and smmuTranslation().

◆ combineTranslations()

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

Definition at line 1025 of file smmu_v3_transl.cc.

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

Referenced by walkStage1And2().

◆ completePrefetch()

void SMMUTranslationProcess::completePrefetch ( Yield &  yield)
private

Definition at line 1286 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ completeTransaction()

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

Definition at line 1224 of file smmu_v3_transl.cc.

References ArmISA::a, ACTION_SEND_REQ_FINAL, ACTION_SEND_RESP, ACTION_SEND_RESP_ATS, SMMUTranslRequest::addr, SMMUTranslationProcess::TranslResult::addr, curTick(), SMMUProcess::doDelay(), SMMUProcess::doSemaphoreDown(), SMMUProcess::doSemaphoreUp(), SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, m5::Coroutine< Arg, Ret >::CallerType::get(), ifc, System::isAtomicMode(), SMMUTranslRequest::isAtsRequest, System::isTimingMode(), SMMUTranslRequest::isWrite, Packet::makeAtomicResponse(), Packet::makeTimingResponse(), panic, SMMUTranslRequest::pkt, SMMUv3DeviceInterface::portWidth, recvTick, request, SMMUv3::requestPortSem, SMMUv3::requestPortWidth, Stats::DistBase< Derived, Stor >::sample(), SMMUv3::scheduleDeviceRetries(), Packet::setAddr(), SMMUTranslRequest::size, SMMUProcess::smmu, SMMUv3::system, SMMUv3::translationTimeDist, SMMUv3DeviceInterface::wrBufSlotsRemaining, and SMMUv3DeviceInterface::xlateSlotsRemaining.

Referenced by main().

◆ configCacheLookup()

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

Definition at line 506 of file smmu_v3_transl.cc.

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

Referenced by smmuTranslation().

◆ configCacheUpdate()

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

Definition at line 546 of file smmu_v3_transl.cc.

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

Referenced by smmuTranslation().

◆ doReadCD()

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

Definition at line 1396 of file smmu_v3_transl.cc.

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

Referenced by findConfig().

◆ doReadConfig()

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

Definition at line 1460 of file smmu_v3_transl.cc.

References addr, and SMMUProcess::doRead().

Referenced by doReadCD(), and doReadSTE().

◆ doReadPTE()

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

Definition at line 1468 of file smmu_v3_transl.cc.

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

Referenced by walkStage1And2(), and walkStage2().

◆ doReadSTE()

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

Definition at line 1329 of file smmu_v3_transl.cc.

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

Referenced by findConfig().

◆ findConfig()

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

Definition at line 578 of file smmu_v3_transl.cc.

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

Referenced by smmuTranslation().

◆ hazard4kCheck()

bool 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 1043 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ hazard4kHold()

void SMMUTranslationProcess::hazard4kHold ( Yield &  yield)
private

Definition at line 1069 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ hazard4kRegister()

void SMMUTranslationProcess::hazard4kRegister ( )
private

Definition at line 1060 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ hazard4kRelease()

void SMMUTranslationProcess::hazard4kRelease ( )
private

Definition at line 1107 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ hazardIdHold()

void SMMUTranslationProcess::hazardIdHold ( Yield &  yield)
private

Definition at line 1142 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ hazardIdRegister()

void SMMUTranslationProcess::hazardIdRegister ( )
private

Used to force ordering on transactions with the same orderId.

This attempts to model AXI IDs.

Definition at line 1127 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ hazardIdRelease()

void SMMUTranslationProcess::hazardIdRelease ( )
private

Definition at line 1181 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ ifcTLBLookup()

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

Definition at line 342 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ ifcTLBUpdate()

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

Definition at line 440 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ issuePrefetch()

void SMMUTranslationProcess::issuePrefetch ( Addr  addr)
private

Definition at line 1206 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ main()

void SMMUTranslationProcess::main ( Yield &  yield)
privatevirtual

Implements SMMUProcess.

Definition at line 133 of file smmu_v3_transl.cc.

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

◆ microTLBLookup()

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

Definition at line 311 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ microTLBUpdate()

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

Definition at line 408 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ resumeTransaction()

void SMMUTranslationProcess::resumeTransaction ( )

Definition at line 115 of file smmu_v3_transl.cc.

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

◆ sendEvent()

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

Definition at line 1299 of file smmu_v3_transl.cc.

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

◆ smmuTLBLookup()

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

Definition at line 377 of file smmu_v3_transl.cc.

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

Referenced by smmuTranslation().

◆ smmuTLBUpdate()

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

Definition at line 477 of file smmu_v3_transl.cc.

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

Referenced by smmuTranslation().

◆ smmuTranslation()

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

Definition at line 249 of file smmu_v3_transl.cc.

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

Referenced by main().

◆ translateStage1And2()

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

Definition at line 880 of file smmu_v3_transl.cc.

References SMMUTranslationProcess::TranslResult::addr, addr, SMMUTranslationProcess::TranslResult::addrMask, SMMUTranslationProcess::TranslContext::asid, context, DPRINTF, SMMUTranslationProcess::TranslResult::fault, FAULT_NONE, PageTableOps::firstLevel(), SMMUv3::getPageTableOps(), PageTableOps::lastLevel(), WalkCache::Entry::leaf, X86ISA::level, WalkCache::Entry::pa, WalkCache::Entry::permissions, SMMUProcess::smmu, SMMUTranslationProcess::TranslContext::stage1TranslGranule, SMMUTranslationProcess::TranslContext::stage2Enable, SMMUTranslationProcess::TranslContext::t0sz, translateStage2(), SMMUTranslationProcess::TranslContext::ttb0, WalkCache::Entry::vaMask, SMMUTranslationProcess::TranslContext::vmid, walkCacheLookup(), walkStage1And2(), and SMMUTranslationProcess::TranslResult::writable.

Referenced by smmuTranslation().

◆ translateStage2()

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

Definition at line 936 of file smmu_v3_transl.cc.

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

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

◆ walkCacheLookup()

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

Definition at line 648 of file smmu_v3_transl.cc.

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

Referenced by translateStage1And2(), and translateStage2().

◆ walkCacheUpdate()

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

Definition at line 689 of file smmu_v3_transl.cc.

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

Referenced by walkStage1And2(), and walkStage2().

◆ walkStage1And2()

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

Definition at line 730 of file smmu_v3_transl.cc.

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

Referenced by translateStage1And2().

◆ walkStage2()

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

Definition at line 814 of file smmu_v3_transl.cc.

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

Referenced by translateStage2().

Member Data Documentation

◆ context

TranslContext SMMUTranslationProcess::context
private

Definition at line 97 of file smmu_v3_transl.hh.

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

◆ faultTick

Tick M5_CLASS_VAR_USED SMMUTranslationProcess::faultTick
private

Definition at line 100 of file smmu_v3_transl.hh.

Referenced by resumeTransaction().

◆ ifc

SMMUv3DeviceInterface& SMMUTranslationProcess::ifc
private

Definition at line 94 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 SMMUTranslationProcess::recvTick
private

Definition at line 99 of file smmu_v3_transl.hh.

Referenced by completeTransaction(), and main().

◆ request

SMMUTranslRequest SMMUTranslationProcess::request
private

Definition at line 96 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().

The documentation for this class was generated from the following files:
Generated on Wed Sep 30 2020 14:02:32 for gem5 by doxygen 1.8.17