gem5
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#include <system.hh>
Classes | |
class | SkipCalibrateClocksEvent |
Public Types | |
typedef FreebsdAlphaSystemParams | Params |
Public Types inherited from AlphaSystem | |
typedef AlphaSystemParams | Params |
Public Types inherited from System | |
typedef SystemParams | Params |
Public Types inherited from MemObject | |
typedef MemObjectParams | Params |
Public Types inherited from ClockedObject | |
typedef ClockedObjectParams | Params |
Parameters of ClockedObject. More... | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
FreebsdAlphaSystem (Params *p) | |
~FreebsdAlphaSystem () | |
void | doCalibrateClocks (ThreadContext *tc) |
Public Member Functions inherited from AlphaSystem | |
AlphaSystem (Params *p) | |
~AlphaSystem () | |
void | initState () override |
Initialise the state of the system. More... | |
void | serializeSymtab (CheckpointOut &cp) const override |
Serialization stuff. More... | |
void | unserializeSymtab (CheckpointIn &cp) override |
If needed, unserialize additional symbol table entries for a specific subclass of this system. More... | |
void | startup () override |
Override startup() to provide a path to call setupFuncEvents() More... | |
void | setAlphaAccess (Addr access) |
Set the m5AlphaAccess pointer in the console. More... | |
void | setIntrFreq (Tick freq) |
Public Member Functions inherited from System | |
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... | |
BaseMasterPort & | getMasterPort (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 * | getThreadContext (ContextID tid) |
int | numContexts () |
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... | |
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... | |
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 (std::string req_name) |
Request an id used to create a request object in the system. More... | |
std::string | getMasterName (MasterID master_id) |
Get the name of an object for a given request id. More... | |
MasterID | maxMasters () |
Get the number of masters registered in the system. More... | |
void | regStats () override |
Register statistics for this object. 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 |
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) |
Public Member Functions inherited from MemObject | |
const Params * | params () const |
MemObject (const Params *params) | |
virtual BaseSlavePort & | getSlavePort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a slave port with a given name and index. More... | |
Public Member Functions inherited from ClockedObject | |
ClockedObject (const ClockedObjectParams *p) | |
const Params * | params () const |
Enums::PwrState | pwrState () const |
std::string | pwrStateName () const |
std::vector< double > | pwrStateWeights () const |
Returns the percentage residency for each power state. More... | |
void | computeStats () |
Record stats values like state residency by computing the time difference from previous update. More... | |
void | pwrState (Enums::PwrState) |
Public Member Functions inherited from SimObject | |
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 | resetStats () |
Reset statistics associated with this object. 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... | |
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... | |
Public Member Functions inherited from EventManager | |
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) |
Public Member Functions inherited from Serializable | |
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) |
Public Member Functions inherited from Drainable | |
DrainState | drainState () const |
Return the current drain state of an object. More... | |
virtual void | notifyFork () |
Notify a child process of a fork. More... | |
Public Member Functions inherited from Clocked | |
void | updateClockPeriod () const |
Update the tick to the current tick. More... | |
Tick | clockEdge (Cycles cycles=Cycles(0)) const |
Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More... | |
Cycles | curCycle () const |
Determine the current cycle, corresponding to a tick aligned to a clock edge. More... | |
Tick | nextCycle () const |
Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More... | |
uint64_t | frequency () const |
Tick | clockPeriod () const |
double | voltage () const |
Cycles | ticksToCycles (Tick t) const |
Tick | cyclesToTicks (Cycles c) const |
Private Attributes | |
SkipFuncEvent * | skipDelayEvent |
SkipCalibrateClocksEvent * | skipCalibrateClocks |
Additional Inherited Members | |
Static Public Member Functions inherited from System | |
static void | printSystems () |
Static Public Member Functions inherited from SimObject | |
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... | |
Static Public Member Functions inherited from Serializable | |
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) |
Public Attributes inherited from AlphaSystem | |
SymbolTable * | consoleSymtab |
console symbol table More... | |
SymbolTable * | palSymtab |
pal symbol table More... | |
ObjectFile * | console |
Object pointer for the console code. More... | |
ObjectFile * | pal |
Object pointer for the PAL code. More... | |
BreakPCEvent * | consolePanicEvent |
Event to halt the simulator if the console calls panic() More... | |
Public Attributes inherited from System | |
std::vector< ThreadContext * > | threadContexts |
int | _numContexts |
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... | |
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 |
std::vector< GDBListener * > | gdbListen |
Counter | totalNumInsts |
EventQueue | instEventQueue |
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 |
Static Public Attributes inherited from System | |
static std::vector< System * > | systemList |
static int | numSystemsRunning = 0 |
static const int | maxPID = 32768 |
Static Public Attributes inherited from Serializable | |
static int | ckptCount = 0 |
static int | ckptMaxCount = 0 |
static int | ckptPrevCount = -1 |
Protected Member Functions inherited from AlphaSystem | |
const Params * | params () const |
virtual void | setupFuncEvents () |
Setup all the function events. More... | |
template<class T > | |
T * | addPalFuncEvent (const char *lbl) |
Add a function-based event to PALcode. More... | |
template<class T > | |
T * | addConsoleFuncEvent (const char *lbl) |
Add a function-based event to the console code. More... | |
Addr | fixFuncEventAddr (Addr addr) override |
This function fixes up addresses that are used to match PCs for hooking simulator events on to target function executions. More... | |
Protected Member Functions inherited from Drainable | |
Drainable () | |
virtual | ~Drainable () |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
Protected Member Functions inherited from Clocked | |
Clocked (ClockDomain &clk_domain) | |
Create a clocked object and set the clock domain based on the parameters. More... | |
Clocked (Clocked &)=delete | |
Clocked & | operator= (Clocked &)=delete |
virtual | ~Clocked () |
Virtual destructor due to inheritance. More... | |
void | resetClock () const |
Reset the object's clock using the current global tick value. More... | |
Protected Attributes inherited from AlphaSystem | |
Tick | intrFreq |
FSTranslatingPortProxy | virtProxy |
Proxy used to copy arguments directly into kernel memory. More... | |
Protected Attributes inherited from System | |
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< std::string > | masterIds |
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 |
Protected Attributes inherited from ClockedObject | |
Enums::PwrState | _currPwrState |
To keep track of the current power state. More... | |
Tick | prvEvalTick |
Stats::Scalar | numPwrStateTransitions |
Stats::Distribution | pwrStateClkGateDist |
Stats::Vector | pwrStateResidencyTicks |
Protected Attributes inherited from SimObject | |
const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
Protected Attributes inherited from EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. More... | |
typedef FreebsdAlphaSystemParams FreebsdAlphaSystem::Params |
FreebsdAlphaSystem::FreebsdAlphaSystem | ( | Params * | p | ) |
Any time DELAY is called just skip the function. Shouldn't we actually emulate the delay?
Definition at line 53 of file system.cc.
References skipCalibrateClocks, and skipDelayEvent.
FreebsdAlphaSystem::~FreebsdAlphaSystem | ( | ) |
Definition at line 65 of file system.cc.
References skipCalibrateClocks, and skipDelayEvent.
void FreebsdAlphaSystem::doCalibrateClocks | ( | ThreadContext * | tc | ) |
Definition at line 72 of file system.cc.
References SimClock::Frequency, ThreadContext::readIntReg(), TIMER_FREQUENCY, AlphaSystem::virtProxy, and PortProxy::write().
Referenced by FreebsdAlphaSystem::SkipCalibrateClocksEvent::process().
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private |
Definition at line 52 of file system.hh.
Referenced by FreebsdAlphaSystem(), and ~FreebsdAlphaSystem().
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private |
Definition at line 51 of file system.hh.
Referenced by FreebsdAlphaSystem(), and ~FreebsdAlphaSystem().