gem5::RiscvSystem Class Reference
#include <system.hh>
Inheritance diagram for gem5::RiscvSystem:
Public Member Functions | |
| PARAMS (RiscvSystem) | |
| RiscvSystem (const Params &p) | |
| void | setClint (Clint *clint) |
| Sets the pointer to the CLINT. | |
| Clint * | getClint () const |
| Get a pointer to the system's CLINT model. | |
| uint64_t | tryReadMtime () const |
| Public Member Functions inherited from gem5::System | |
| RequestPort & | getSystemPort () |
| Get a reference to the system port that can be used by non-structural simulation objects like processes or threads, or external entities like loaders and debuggers, etc, to access the memory system. | |
| Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
| Additional function to return the Port of a memory object. | |
| Addr | cacheLineSize () const |
| Get the cache line size of the system. | |
| bool | schedule (PCEvent *event) override |
| bool | remove (PCEvent *event) override |
| KvmVM * | getKvmVM () const |
| Get a pointer to the Kernel Virtual Machine (KVM) SimObject, if present. | |
| void | setKvmVM (KvmVM *const vm) |
| Set the pointer to the Kernel Virtual Machine (KVM) SimObject. | |
| memory::PhysicalMemory & | getPhysMem () |
| Get a pointer to access the physical memory of the system. | |
| const memory::PhysicalMemory & | getPhysMem () const |
| Addr | memSize () const |
| Amount of physical memory that exists. | |
| bool | isMemAddr (Addr addr) const |
| Check if a physical address is within a range of a memory that is part of the global address map. | |
| void | addDeviceMemory (RequestorID requestorId, memory::AbstractMemory *deviceMemory) |
| Add a physical memory range for a device. | |
| bool | isDeviceMemAddr (const PacketPtr &pkt) const |
| Similar to isMemAddr but for devices. | |
| memory::AbstractMemory * | getDeviceMemory (const PacketPtr &pkt) const |
| Return a pointer to the device memory. | |
| AddrRangeList | getShadowRomRanges () const |
| ByteOrder | getGuestByteOrder () const |
| Get the guest byte order. | |
| ThermalModel * | getThermalModel () const |
| The thermal model used for this system (if any). | |
| RequestorID | getRequestorId (const SimObject *requestor, std::string subrequestor={}) |
| Request an id used to create a request object in the system. | |
| RequestorID | getGlobalRequestorId (const std::string &requestor_name) |
| Registers a GLOBAL RequestorID, which is a RequestorID not related to any particular SimObject; since no SimObject is passed, the requestor gets registered by providing the full requestor name. | |
| std::string | getRequestorName (RequestorID requestor_id) |
| Get the name of an object for a given request id. | |
| RequestorID | lookupRequestorId (const SimObject *obj) const |
| Looks up the RequestorID for a given SimObject returns an invalid RequestorID (invldRequestorId) if not found. | |
| RequestorID | lookupRequestorId (const std::string &name) const |
| Looks up the RequestorID for a given object name string returns an invalid RequestorID (invldRequestorId) if not found. | |
| RequestorID | maxRequestors () |
| Get the number of requestors registered in the system. | |
| void | regStats () override |
| Callback to set stat parameters. | |
| uint64_t | incWorkItemsBegin () |
| Called by pseudo_inst to track the number of work items started by this system. | |
| uint64_t | incWorkItemsEnd () |
| Called by pseudo_inst to track the number of work items completed by this system. | |
| int | markWorkItem (int index) |
| Called by pseudo_inst to mark the cpus actively executing work items. | |
| void | workItemBegin (uint32_t tid, uint32_t workid) |
| void | workItemEnd (uint32_t tid, uint32_t workid) |
| bool | trapToGdb (GDBSignal signal, ContextID ctx_id) const |
| PARAMS (System) | |
| System (const Params &p) | |
| ~System () | |
| const AddrRange & | m5opRange () const |
| Range used by memory-mapped m5 pseudo-ops if enabled. | |
| void | registerThreadContext (ThreadContext *tc) |
| void | replaceThreadContext (ThreadContext *tc, ContextID context_id) |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. | |
| bool | isAtomicMode () const |
| Is the system in atomic mode? | |
| bool | isTimingMode () const |
| Is the system in timing mode? | |
| bool | bypassCaches () const |
| Should caches be bypassed? | |
| enums::MemoryMode | getMemoryMode () const |
| Get the memory mode of the system. | |
| void | setMemoryMode (enums::MemoryMode mode) |
| Change the memory mode of the system. | |
| 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 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. | |
| 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 | 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 |
| Public Member Functions inherited from gem5::PCEventScope | |
| virtual | ~PCEventScope ()=default |
Protected Attributes | |
| Clint * | _clint |
| Pointer to the CLINT wrapper. | |
| Protected Attributes inherited from gem5::System | |
| KvmVM * | kvmVM = nullptr |
| memory::PhysicalMemory | physmem |
| AddrRangeList | ShadowRomRanges |
| enums::MemoryMode | memoryMode |
| const Addr | _cacheLineSize |
| uint64_t | workItemsBegin = 0 |
| uint64_t | workItemsEnd = 0 |
| uint32_t | numWorkIds |
| std::vector< RequestorInfo > | requestors |
| This array is a per-system list of all devices capable of issuing a memory system request and an associated string for each requestor id. | |
| ThermalModel * | thermalModel |
| const AddrRange | _m5opRange |
| Range for memory-mapped m5 pseudo ops. | |
| 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 | |
| Public Types inherited from gem5::SimObject | |
| typedef SimObjectParams | Params |
| Static Public Member Functions inherited from gem5::System | |
| static void | printSystems () |
| 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. | |
| Public Attributes inherited from gem5::System | |
| Threads | threads |
| const bool | multiThread |
| uint64_t | init_param |
| PortProxy | physProxy |
| Port to physical memory used for writing object files into ram at boot. | |
| Workload * | workload = nullptr |
| OS kernel. | |
| std::map< std::pair< uint32_t, uint32_t >, Tick > | lastWorkItemStarted |
| std::map< uint32_t, statistics::Histogram * > | workItemStats |
| FutexMap | futexMap |
| std::set< int > | PIDs |
| Process set to track which PIDs have already been allocated. | |
| std::list< BasicSignal > | signalList |
| std::vector< RedirectPath * > | redirectPaths |
| Static Public Attributes inherited from gem5::System | |
| static std::vector< System * > | systemList |
| static int | numSystemsRunning = 0 |
| static const int | maxPID = 32768 |
| Protected Member Functions inherited from gem5::System | |
| std::string | stripSystemName (const std::string &requestor_name) const |
| Strips off the system name from a requestor name. | |
| RequestorID | _getRequestorId (const SimObject *requestor, const std::string &requestor_name) |
| helper function for getRequestorId | |
| std::string | leafRequestorName (const SimObject *requestor, const std::string &subrequestor) |
| Helper function for constructing the full (sub)requestor name by providing the root requestor and the relative subrequestor name. | |
| 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. | |
Detailed Description
Constructor & Destructor Documentation
◆ RiscvSystem()
|
inline |
Definition at line 64 of file system.hh.
References _clint, gem5::MipsISA::p, and gem5::System::System().
Referenced by PARAMS().
Member Function Documentation
◆ getClint()
|
inline |
Get a pointer to the system's CLINT model.
Definition at line 75 of file system.hh.
References _clint.
Referenced by gem5::RiscvISA::ISA::hpmCounterCheck().
◆ PARAMS()
| gem5::RiscvSystem::PARAMS | ( | RiscvSystem | ) |
References RiscvSystem().
◆ setClint()
|
inline |
Sets the pointer to the CLINT.
Definition at line 68 of file system.hh.
References _clint.
Referenced by gem5::Clint::init().
◆ tryReadMtime()
| uint64_t gem5::RiscvSystem::tryReadMtime | ( | ) | const |
Definition at line 46 of file system.cc.
References _clint, and panic_if.
Referenced by gem5::RiscvISA::ISA::readMiscReg().
Member Data Documentation
◆ _clint
|
protected |
Pointer to the CLINT wrapper.
Definition at line 59 of file system.hh.
Referenced by getClint(), RiscvSystem(), setClint(), and tryReadMtime().
The documentation for this class was generated from the following files:
Generated on Mon Oct 27 2025 04:13:13 for gem5 by doxygen 1.14.0