gem5
v19.0.0.0
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#include <system.hh>
Public Types | |
typedef LinuxX86SystemParams | Params |
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typedef X86SystemParams | Params |
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typedef SystemParams | Params |
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typedef SimObjectParams | Params |
Public Member Functions | |
LinuxX86System (Params *p) | |
~LinuxX86System () | |
void | initState () |
initState() is called on each SimObject when not restoring from a checkpoint. More... | |
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X86System (Params *p) | |
~X86System () | |
void | initState () |
Serialization stuff. More... | |
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void | init () override |
After all objects have been created and all ports are connected, check that the system port is connected. More... | |
MasterPort & | 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. More... | |
Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
Additional function to return the Port of a memory object. More... | |
unsigned int | cacheLineSize () const |
Get the cache line size of the system. More... | |
ThreadContext * | findFreeContext () |
ThreadContext * | getThreadContext (ContextID tid) const |
bool | schedule (PCEvent *event) override |
bool | remove (PCEvent *event) override |
unsigned | numContexts () const |
int | numRunningContexts () |
Return number of running (non-halted) thread contexts in system. More... | |
KvmVM * | getKvmVM () |
Get a pointer to the Kernel Virtual Machine (KVM) SimObject, if present. More... | |
bool | validKvmEnvironment () const |
Verify gem5 configuration will support KVM emulation. More... | |
PhysicalMemory & | getPhysMem () |
Get a pointer to access the physical memory of the system. More... | |
Addr | freeMemSize () const |
Amount of physical memory that is still free. More... | |
Addr | memSize () const |
Amount of physical memory that exists. More... | |
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. More... | |
Arch | getArch () const |
Get the architecture. More... | |
ByteOrder | getGuestByteOrder () const |
Get the guest byte order. More... | |
Addr | getPageBytes () const |
Get the page bytes for the ISA. More... | |
Addr | getPageShift () const |
Get the number of bits worth of in-page address for the ISA. More... | |
ThermalModel * | getThermalModel () const |
The thermal model used for this system (if any). More... | |
MasterID | getMasterId (const SimObject *master, std::string submaster=std::string()) |
Request an id used to create a request object in the system. More... | |
MasterID | getGlobalMasterId (const std::string &master_name) |
Registers a GLOBAL MasterID, which is a MasterID not related to any particular SimObject; since no SimObject is passed, the master gets registered by providing the full master name. More... | |
std::string | getMasterName (MasterID master_id) |
Get the name of an object for a given request id. More... | |
MasterID | lookupMasterId (const SimObject *obj) const |
Looks up the MasterID for a given SimObject returns an invalid MasterID (invldMasterId) if not found. More... | |
MasterID | lookupMasterId (const std::string &name) const |
Looks up the MasterID for a given object name string returns an invalid MasterID (invldMasterId) if not found. More... | |
MasterID | maxMasters () |
Get the number of masters registered in the system. More... | |
void | regStats () override |
Callback to set stat parameters. More... | |
uint64_t | incWorkItemsBegin () |
Called by pseudo_inst to track the number of work items started by this system. More... | |
uint64_t | incWorkItemsEnd () |
Called by pseudo_inst to track the number of work items completed by this system. More... | |
int | markWorkItem (int index) |
Called by pseudo_inst to mark the cpus actively executing work items. More... | |
void | workItemBegin (uint32_t tid, uint32_t workid) |
void | workItemEnd (uint32_t tid, uint32_t workid) |
bool | breakpoint () |
System (Params *p) | |
~System () | |
void | initState () override |
initState() is called on each SimObject when not restoring from a checkpoint. More... | |
const Params * | params () const |
const AddrRange & | m5opRange () const |
Range used by memory-mapped m5 pseudo-ops if enabled. More... | |
Addr | getKernelStart () const |
Returns the address the kernel starts at. More... | |
Addr | getKernelEnd () const |
Returns the address the kernel ends at. More... | |
Addr | getKernelEntry () const |
Returns the address the entry point to the kernel code. More... | |
Addr | allocPhysPages (int npages) |
Allocate npages contiguous unused physical pages. More... | |
ContextID | registerThreadContext (ThreadContext *tc, ContextID assigned=InvalidContextID) |
void | replaceThreadContext (ThreadContext *tc, ContextID context_id) |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
void | drainResume () override |
Resume execution after a successful drain. More... | |
bool | isAtomicMode () const |
Is the system in atomic mode? More... | |
bool | isTimingMode () const |
Is the system in timing mode? More... | |
bool | bypassCaches () const |
Should caches be bypassed? More... | |
Enums::MemoryMode | getMemoryMode () const |
Get the memory mode of the system. More... | |
void | setMemoryMode (Enums::MemoryMode mode) |
Change the memory mode of the system. More... | |
template<class T , typename... Args> | |
T * | addFuncEvent (const SymbolTable *symtab, const char *lbl, const std::string &desc, Args... args) |
Add a function-based event to the given function, to be looked up in the specified symbol table. More... | |
template<class T > | |
T * | addFuncEvent (const SymbolTable *symtab, const char *lbl) |
template<class T , typename... Args> | |
T * | addFuncEventOrPanic (const SymbolTable *symtab, const char *lbl, Args... args) |
template<class T , typename... Args> | |
T * | addKernelFuncEvent (const char *lbl, Args... args) |
Add a function-based event to a kernel symbol. More... | |
template<class T , typename... Args> | |
T * | addKernelFuncEventOrPanic (const char *lbl, Args... args) |
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const Params * | params () const |
SimObject (const Params *_params) | |
virtual | ~SimObject () |
virtual const std::string | name () const |
virtual void | loadState (CheckpointIn &cp) |
loadState() is called on each SimObject when restoring from a checkpoint. More... | |
virtual void | regProbePoints () |
Register probe points for this object. More... | |
virtual void | regProbeListeners () |
Register probe listeners for this object. More... | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. More... | |
virtual void | startup () |
startup() is the final initialization call before simulation. More... | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. More... | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. More... | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. More... | |
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EventManager (EventManager &em) | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
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) |
void | setCurTick (Tick newVal) |
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Serializable () | |
virtual | ~Serializable () |
void | serializeSection (CheckpointOut &cp, const char *name) const |
Serialize an object into a new section. More... | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. More... | |
void | unserializeSection (CheckpointIn &cp, const std::string &name) |
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DrainState | drainState () const |
Return the current drain state of an object. More... | |
virtual void | notifyFork () |
Notify a child process of a fork. More... | |
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Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Group (Group *parent, const char *name=nullptr) | |
Construct a new statistics group. More... | |
virtual | ~Group () |
virtual void | resetStats () |
Callback to reset stats. More... | |
virtual void | preDumpStats () |
Callback before stats are dumped. More... | |
void | addStat (Stats::Info *info) |
Register a stat with this group. More... | |
const std::map< std::string, Group * > & | getStatGroups () const |
Get all child groups associated with this object. More... | |
const std::vector< Info * > & | getStats () const |
Get all stats associated with this object. More... | |
void | addStatGroup (const char *name, Group *block) |
Add a stat block as a child of this block. More... | |
Protected Attributes | |
std::string | commandLine |
X86ISA::E820Table * | e820Table |
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X86ISA::SMBios::SMBiosTable * | smbiosTable |
X86ISA::IntelMP::FloatingPointer * | mpFloatingPointer |
X86ISA::IntelMP::ConfigTable * | mpConfigTable |
X86ISA::ACPI::RSDP * | rsdp |
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KvmVM *const | kvmVM |
PhysicalMemory | physmem |
Enums::MemoryMode | memoryMode |
const unsigned int | _cacheLineSize |
uint64_t | workItemsBegin |
uint64_t | workItemsEnd |
uint32_t | numWorkIds |
std::vector< bool > | activeCpus |
std::vector< MasterInfo > | masters |
This array is a per-system list of all devices capable of issuing a memory system request and an associated string for each master id. More... | |
ThermalModel * | thermalModel |
Params * | _params |
const AddrRange | _m5opRange |
Range for memory-mapped m5 pseudo ops. More... | |
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const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
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EventQueue * | eventq |
A pointer to this object's event queue. More... | |
Additional Inherited Members | |
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static void | printSystems () |
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static void | serializeAll (CheckpointOut &cp) |
Serialize all SimObjects in the system. More... | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. More... | |
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static const std::string & | currentSection () |
Get the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
static void | unserializeGlobals (CheckpointIn &cp) |
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std::vector< ThreadContext * > | threadContexts |
const bool | multiThread |
Addr | pagePtr |
uint64_t | init_param |
PortProxy | physProxy |
Port to physical memory used for writing object files into ram at boot. More... | |
SymbolTable * | kernelSymtab |
kernel symbol table More... | |
ObjectFile * | kernel |
Object pointer for the kernel code. More... | |
MemoryImage | kernelImage |
std::vector< ObjectFile * > | kernelExtras |
Additional object files. More... | |
Addr | kernelStart |
Beginning of kernel code. More... | |
Addr | kernelEnd |
End of kernel code. More... | |
Addr | kernelEntry |
Entry point in the kernel to start at. More... | |
Addr | loadAddrMask |
Mask that should be anded for binary/symbol loading. More... | |
Addr | loadAddrOffset |
Offset that should be used for binary/symbol loading. More... | |
std::vector< BaseRemoteGDB * > | remoteGDB |
Counter | totalNumInsts |
std::map< std::pair< uint32_t, uint32_t >, Tick > | lastWorkItemStarted |
std::map< uint32_t, Stats::Histogram * > | workItemStats |
FutexMap | futexMap |
std::set< int > | PIDs |
Process set to track which PIDs have already been allocated. More... | |
std::list< BasicSignal > | signalList |
std::vector< RedirectPath * > | redirectPaths |
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static std::vector< System * > | systemList |
static int | numSystemsRunning = 0 |
static const int | maxPID = 32768 |
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static int | ckptCount = 0 |
static int | ckptMaxCount = 0 |
static int | ckptPrevCount = -1 |
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void | writeOutSMBiosTable (Addr header, Addr &headerSize, Addr &tableSize, Addr table=0) |
void | writeOutMPTable (Addr fp, Addr &fpSize, Addr &tableSize, Addr table=0) |
const Params * | params () const |
virtual Addr | fixFuncEventAddr (Addr addr) |
Fix up an address used to match PCs for hooking simulator events on to target function executions. More... | |
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std::string | stripSystemName (const std::string &master_name) const |
Strips off the system name from a master name. More... | |
MasterID | _getMasterId (const SimObject *master, const std::string &master_name) |
helper function for getMasterId More... | |
std::string | leafMasterName (const SimObject *master, const std::string &submaster) |
Helper function for constructing the full (sub)master name by providing the root master and the relative submaster name. More... | |
virtual void | serializeSymtab (CheckpointOut &os) const |
If needed, serialize additional symbol table entries for a specific subclass of this system. More... | |
virtual void | unserializeSymtab (CheckpointIn &cp) |
If needed, unserialize additional symbol table entries for a specific subclass of this system. More... | |
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Drainable () | |
virtual | ~Drainable () |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
typedef LinuxX86SystemParams LinuxX86System::Params |
LinuxX86System::LinuxX86System | ( | Params * | p | ) |
Definition at line 53 of file system.cc.
Referenced by initState().
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virtual |
initState() is called on each SimObject when not restoring from a checkpoint.
This provides a hook for state initializations that are only required for a "cold start".
Reimplemented from SimObject.
Definition at line 63 of file system.cc.
References commandLine, e820Table, htole(), X86System::initState(), LinuxX86System(), panic, System::physProxy, System::threadContexts, PortProxy::writeBlob(), and X86ISA::E820Table::writeTo().
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protected |
Definition at line 53 of file system.hh.
Referenced by initState().
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protected |
Definition at line 54 of file system.hh.
Referenced by initState().