gem5 v24.1.0.1
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#include <mmu.hh>
Public Member Functions | |
MMU (const SparcMMUParams &p) | |
TranslationGenPtr | translateFunctional (Addr start, Addr size, ThreadContext *tc, Mode mode, Request::Flags flags) override |
Returns a translation generator for a region of virtual addresses, instead of directly translating a specific address. | |
void | insertItlbEntry (Addr vpn, int partition_id, int context_id, bool real, const PageTableEntry &PTE, int entry=-1) |
void | insertDtlbEntry (Addr vpn, int partition_id, int context_id, bool real, const PageTableEntry &PTE, int entry=-1) |
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void | init () override |
Called at init time, this method is traversing the TLB hierarchy and pupulating the instruction/data/unified containers accordingly. | |
virtual void | flushAll () |
virtual void | reset () |
void | demapPage (Addr vaddr, uint64_t asn) |
virtual Fault | translateAtomic (const RequestPtr &req, ThreadContext *tc, Mode mode) |
virtual void | translateTiming (const RequestPtr &req, ThreadContext *tc, Translation *translation, Mode mode) |
virtual Fault | translateFunctional (const RequestPtr &req, ThreadContext *tc, Mode mode) |
virtual Addr | getValidAddr (Addr vaddr, ThreadContext *tc, Mode mode) |
virtual Fault | finalizePhysical (const RequestPtr &req, ThreadContext *tc, Mode mode) const |
virtual void | takeOverFrom (BaseMMU *old_mmu) |
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const Params & | params () const |
SimObject (const Params &p) | |
virtual | ~SimObject () |
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. | |
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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) | |
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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) |
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DrainState | drainState () const |
Return the current drain state of an object. | |
virtual void | notifyFork () |
Notify a child process of a fork. | |
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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 (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
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Named (const std::string &name_) | |
virtual | ~Named ()=default |
virtual std::string | name () const |
Additional Inherited Members | |
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enum | Mode { Read , Write , Execute } |
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typedef SimObjectParams | Params |
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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. | |
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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. | |
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BaseTLB * | dtb |
BaseTLB * | itb |
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typedef BaseMMUParams | Params |
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BaseMMU (const Params &p) | |
BaseTLB * | getTlb (Mode mode) const |
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Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. | |
void | signalDrainDone () const |
Signal that an object is drained. | |
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std::set< BaseTLB * > | instruction |
It is possible from the MMU to traverse the entire hierarchy of TLBs, starting from the DTB and ITB (generally speaking from the first level) up to the last level via the nextLevel pointer. | |
std::set< BaseTLB * > | data |
std::set< BaseTLB * > | unified |
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const SimObjectParams & | _params |
Cached copy of the object parameters. | |
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EventQueue * | eventq |
A pointer to this object's event queue. | |
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inline |
Definition at line 76 of file mmu.hh.
References gem5::BaseMMU::dtb.
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inline |
Definition at line 68 of file mmu.hh.
References gem5::BaseMMU::itb.
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inlineoverridevirtual |
Returns a translation generator for a region of virtual addresses, instead of directly translating a specific address.
Implements gem5::BaseMMU.
Definition at line 60 of file mmu.hh.
References flags, gem5::ArmISA::mode, and gem5::SparcISA::PageBytes.