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gem5 [DEVELOP-FOR-25.0]
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This class provides an abstract PMAChecker for RISC-V to provide PMA checking functionality. More...
#include <pma_checker.hh>
Public Types | |
| typedef PMACheckerParams | Params |
Public Types inherited from gem5::SimObject | |
| typedef SimObjectParams | Params |
Public Member Functions | |
| const Params & | params () const |
| PMAChecker (const Params ¶ms) | |
| Fault | check (const RequestPtr &req, BaseMMU::Mode mode, Addr vaddr=0) override |
| Fault | checkVAddrAlignment (const RequestPtr &req, BaseMMU::Mode mode) override |
| bool | isUncacheable (const AddrRange &range) |
| bool | isUncacheable (const Addr &addr, const unsigned size) |
| bool | isUncacheable (PacketPtr pkt) |
| void | takeOverFrom (BasePMAChecker *old) override |
Public Member Functions inherited from gem5::RiscvISA::BasePMAChecker | |
| BasePMAChecker (const BasePMACheckerParams ¶ms) | |
Public Member Functions inherited from gem5::SimObject | |
| const Params & | params () const |
| SimObject (const Params &p) | |
| virtual | ~SimObject () |
| virtual void | init () |
| init() is called after all C++ SimObjects have been created and all ports are connected. | |
| virtual void | loadState (CheckpointIn &cp) |
| loadState() is called on each SimObject when restoring from a checkpoint. | |
| virtual void | initState () |
| initState() is called on each SimObject when not restoring from a checkpoint. | |
| virtual void | regProbePoints () |
| Register probe points for this object. | |
| virtual void | regProbeListeners () |
| Register probe listeners for this object. | |
| ProbeManager * | getProbeManager () |
| Get the probe manager for this object. | |
| virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
| Get a port with a given name and index. | |
| virtual void | startup () |
| startup() is the final initialization call before simulation. | |
| DrainState | drain () override |
| Provide a default implementation of the drain interface for objects that don't need draining. | |
| virtual void | memWriteback () |
| Write back dirty buffers to memory using functional writes. | |
| virtual void | memInvalidate () |
| Invalidate the contents of memory buffers. | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. | |
Public Member Functions inherited from gem5::EventManager | |
| EventQueue * | eventQueue () const |
| void | schedule (Event &event, Tick when) |
| void | deschedule (Event &event) |
| void | reschedule (Event &event, Tick when, bool always=false) |
| void | schedule (Event *event, Tick when) |
| void | deschedule (Event *event) |
| void | reschedule (Event *event, Tick when, bool always=false) |
| void | wakeupEventQueue (Tick when=(Tick) -1) |
| This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. | |
| void | setCurTick (Tick newVal) |
| EventManager (EventManager &em) | |
| Event manger manages events in the event queue. | |
| EventManager (EventManager *em) | |
| EventManager (EventQueue *eq) | |
Public Member Functions inherited from gem5::Serializable | |
| Serializable () | |
| virtual | ~Serializable () |
| void | serializeSection (CheckpointOut &cp, const char *name) const |
| Serialize an object into a new section. | |
| void | serializeSection (CheckpointOut &cp, const std::string &name) const |
| void | unserializeSection (CheckpointIn &cp, const char *name) |
| Unserialize an a child object. | |
| void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from gem5::Drainable | |
| DrainState | drainState () const |
| Return the current drain state of an object. | |
| virtual void | notifyFork () |
| Notify a child process of a fork. | |
Public Member Functions inherited from gem5::statistics::Group | |
| Group (Group *parent, const char *name=nullptr) | |
| Construct a new statistics group. | |
| virtual | ~Group () |
| virtual void | regStats () |
| Callback to set stat parameters. | |
| virtual void | resetStats () |
| Callback to reset stats. | |
| virtual void | preDumpStats () |
| Callback before stats are dumped. | |
| void | addStat (statistics::Info *info) |
| Register a stat with this group. | |
| const std::map< std::string, Group * > & | getStatGroups () const |
| Get all child groups associated with this object. | |
| const std::vector< Info * > & | getStats () const |
| Get all stats associated with this object. | |
| void | addStatGroup (const char *name, Group *block) |
| Add a stat block as a child of this block. | |
| const Info * | resolveStat (std::string name) const |
| Resolve a stat by its name within this group. | |
| void | mergeStatGroup (Group *block) |
| Merge the contents (stats & children) of a block to this block. | |
| Group ()=delete | |
| Group (const Group &)=delete | |
| Group & | operator= (const Group &)=delete |
Public Member Functions inherited from gem5::Named | |
| Named (std::string_view name_) | |
| virtual | ~Named ()=default |
| virtual std::string | name () const |
Protected Member Functions | |
| Fault | checkPAddrAlignment (const RequestPtr &req, BaseMMU::Mode mode, Addr vaddr) |
| Fault | createMisalignFault (Addr vaddr, BaseMMU::Mode mode) |
| bool | addressAlign (const Addr addr, const Addr size) |
| bool | misalignedSupport (const AddrRange &range) |
| bool | hasMisaligned () |
Protected Member Functions inherited from gem5::Drainable | |
| Drainable () | |
| virtual | ~Drainable () |
| virtual void | drainResume () |
| Resume execution after a successful drain. | |
| void | signalDrainDone () const |
| Signal that an object is drained. | |
Protected Attributes | |
| AddrRangeList | uncacheable |
| AddrRangeMap< bool, 3 > | misaligned |
Protected Attributes inherited from gem5::SimObject | |
| const SimObjectParams & | _params |
| Cached copy of the object parameters. | |
Protected Attributes inherited from gem5::EventManager | |
| EventQueue * | eventq |
| A pointer to this object's event queue. | |
Additional Inherited Members | |
Static Public Member Functions inherited from gem5::SimObject | |
| static void | serializeAll (const std::string &cpt_dir) |
| Create a checkpoint by serializing all SimObjects in the system. | |
| static SimObject * | find (const char *name) |
| Find the SimObject with the given name and return a pointer to it. | |
| static void | setSimObjectResolver (SimObjectResolver *resolver) |
| There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
| static SimObjectResolver * | getSimObjectResolver () |
| There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
Static Public Member Functions inherited from gem5::Serializable | |
| static const std::string & | currentSection () |
| Gets the fully-qualified name of the active section. | |
| static void | generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream) |
| Generate a checkpoint file so that the serialization can be routed to it. | |
This class provides an abstract PMAChecker for RISC-V to provide PMA checking functionality.
However, hardware latencies are not modelled.
Definition at line 79 of file pma_checker.hh.
| typedef PMACheckerParams gem5::RiscvISA::PMAChecker::Params |
Definition at line 83 of file pma_checker.hh.
| gem5::RiscvISA::PMAChecker::PMAChecker | ( | const Params & | params | ) |
Definition at line 55 of file pma_checker.cc.
References gem5::RiscvISA::BasePMAChecker::BasePMAChecker(), params(), and uncacheable.
Referenced by takeOverFrom().
Definition at line 169 of file pma_checker.cc.
References gem5::X86ISA::addr.
Referenced by checkPAddrAlignment(), and checkVAddrAlignment().
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overridevirtual |
Implements gem5::RiscvISA::BasePMAChecker.
Definition at line 65 of file pma_checker.cc.
References checkPAddrAlignment(), hasMisaligned(), isUncacheable(), gem5::RiscvISA::mode, gem5::NoFault, gem5::Request::STRICT_ORDER, gem5::Request::UNCACHEABLE, and gem5::RiscvISA::vaddr.
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protected |
Definition at line 130 of file pma_checker.cc.
References addressAlign(), gem5::RiscvISA::MMU::AlignmentMask, createMisalignFault(), gem5::BaseMMU::Execute, gem5::RiscvISA::mask, misalignedSupport(), gem5::RiscvISA::mode, gem5::NoFault, gem5::RangeSize(), and gem5::RiscvISA::vaddr.
Referenced by check().
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overridevirtual |
Implements gem5::RiscvISA::BasePMAChecker.
Definition at line 75 of file pma_checker.cc.
References addressAlign(), gem5::RiscvISA::MMU::AlignmentMask, createMisalignFault(), gem5::BaseMMU::Execute, hasMisaligned(), gem5::RiscvISA::mask, gem5::RiscvISA::mode, and gem5::NoFault.
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protected |
Definition at line 152 of file pma_checker.cc.
References gem5::RiscvISA::LOAD_ADDR_MISALIGNED, gem5::RiscvISA::mode, panic, gem5::BaseMMU::Read, gem5::RiscvISA::STORE_ADDR_MISALIGNED, gem5::RiscvISA::vaddr, and gem5::BaseMMU::Write.
Referenced by checkPAddrAlignment(), and checkVAddrAlignment().
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inlineprotected |
Definition at line 180 of file pma_checker.cc.
References misaligned.
Referenced by check(), and checkVAddrAlignment().
| bool gem5::RiscvISA::PMAChecker::isUncacheable | ( | const Addr & | addr, |
| const unsigned | size ) |
Definition at line 108 of file pma_checker.cc.
References gem5::X86ISA::addr, and isUncacheable().
| bool gem5::RiscvISA::PMAChecker::isUncacheable | ( | const AddrRange & | range | ) |
Definition at line 97 of file pma_checker.cc.
References gem5::AddrRange::isSubset(), and uncacheable.
Referenced by check(), isUncacheable(), and isUncacheable().
| bool gem5::RiscvISA::PMAChecker::isUncacheable | ( | PacketPtr | pkt | ) |
Definition at line 115 of file pma_checker.cc.
References gem5::Packet::getAddrRange(), and isUncacheable().
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inlineprotected |
Definition at line 174 of file pma_checker.cc.
References misaligned.
Referenced by checkPAddrAlignment().
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inline |
Definition at line 86 of file pma_checker.hh.
References gem5::SimObject::_params.
Referenced by PMAChecker().
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overridevirtual |
Implements gem5::RiscvISA::BasePMAChecker.
Definition at line 121 of file pma_checker.cc.
References gem5::RiscvISA::BasePMAChecker::BasePMAChecker(), misaligned, PMAChecker(), and uncacheable.
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protected |
Definition at line 136 of file pma_checker.hh.
Referenced by hasMisaligned(), misalignedSupport(), and takeOverFrom().
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protected |
Definition at line 135 of file pma_checker.hh.
Referenced by isUncacheable(), PMAChecker(), and takeOverFrom().