gem5
v20.1.0.0
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#include <process.hh>
Classes | |
struct | SyscallABI |
Public Member Functions | |
void | argsInit (int intSize, int pageSize) |
Public Member Functions inherited from Process | |
Process (ProcessParams *params, EmulationPageTable *pTable, ::Loader::ObjectFile *obj_file) | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
void | initState () override |
initState() is called on each SimObject when not restoring from a checkpoint. More... | |
DrainState | drain () override |
Draining is the process of clearing out the states of SimObjects.These are the SimObjects that are partially executed or are partially in flight. More... | |
virtual void | syscall (ThreadContext *tc) |
uint64_t | uid () |
uint64_t | euid () |
uint64_t | gid () |
uint64_t | egid () |
uint64_t | pid () |
uint64_t | ppid () |
uint64_t | pgid () |
void | pgid (uint64_t pgid) |
uint64_t | tgid () |
const char * | progName () const |
EmulatedDriver * | findDriver (std::string filename) |
Find an emulated device driver. More... | |
void | updateBias () |
Addr | getBias () |
Addr | getStartPC () |
::Loader::ObjectFile * | getInterpreter () |
void | regStats () override |
Callback to set stat parameters. More... | |
void | allocateMem (Addr vaddr, int64_t size, bool clobber=false) |
bool | fixupFault (Addr vaddr) |
Attempt to fix up a fault at vaddr by allocating a page on the stack. More... | |
void | assignThreadContext (ContextID context_id) |
void | revokeThreadContext (int context_id) |
After delegating a thread context to a child process no longer should relate to the ThreadContext. More... | |
virtual bool | mmapGrowsDown () const |
Does mmap region grow upward or downward from mmapEnd? Most platforms grow downward, but a few (such as Alpha) grow upward instead, so they can override this method to return false. More... | |
bool | map (Addr vaddr, Addr paddr, int size, bool cacheable=true) |
Maps a contiguous range of virtual addresses in this process's address space to a contiguous range of physical addresses. More... | |
void | replicatePage (Addr vaddr, Addr new_paddr, ThreadContext *old_tc, ThreadContext *new_tc, bool alloc_page) |
virtual void | clone (ThreadContext *old_tc, ThreadContext *new_tc, Process *new_p, RegVal flags) |
std::string | absolutePath (const std::string &path, bool host_fs) |
Return an absolute path given a relative path paired with the current working directory of the process running under simulation. More... | |
std::string | checkPathRedirect (const std::string &filename) |
Redirect file path if it matches any keys initialized by system object. More... | |
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 | 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 Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a port with a given name and index. 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... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Public Member Functions inherited from 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. More... | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. More... | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
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 Stats::Group | |
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... | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. More... | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Protected Member Functions | |
PowerProcess (ProcessParams *params, ::Loader::ObjectFile *objFile) | |
void | initState () override |
initState() is called on each SimObject when not restoring from a checkpoint. More... | |
Protected Member Functions inherited from Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. More... | |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
Additional Inherited Members | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Static Public Member Functions inherited from Process | |
static Process * | tryLoaders (ProcessParams *params, ::Loader::ObjectFile *obj_file) |
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 () |
Gets the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
Serializes all the SimObjects. More... | |
static void | unserializeGlobals (CheckpointIn &cp) |
Public Attributes inherited from Process | |
std::vector< ContextID > | contextIds |
System * | system |
Stats::Scalar | numSyscalls |
bool | useArchPT |
bool | kvmInSE |
bool | useForClone |
EmulationPageTable * | pTable |
std::unique_ptr< SETranslatingPortProxy > | initVirtMem |
::Loader::ObjectFile * | objFile |
::Loader::MemoryImage | image |
::Loader::MemoryImage | interpImage |
std::vector< std::string > | argv |
std::vector< std::string > | envp |
std::string | executable |
std::string | tgtCwd |
The cwd members are used to track changes to the current working directory for the purpose of executing system calls which depend on relative paths (i.e. More... | |
std::string | hostCwd |
std::string | release |
uint64_t | _uid |
uint64_t | _euid |
uint64_t | _gid |
uint64_t | _egid |
uint64_t | _pid |
uint64_t | _ppid |
uint64_t | _pgid |
uint64_t | _tgid |
std::vector< EmulatedDriver * > | drivers |
std::shared_ptr< FDArray > | fds |
bool * | exitGroup |
std::shared_ptr< MemState > | memState |
uint64_t | childClearTID |
Calls a futex wakeup at the address specified by this pointer when this process exits. More... | |
bool * | sigchld |
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... | |
Definition at line 45 of file process.hh.
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protected |
Definition at line 49 of file process.cc.
References fatal_if, Process::image, X86ISA::L, Loader::MemoryImage::maxAddr(), Process::memState, ArmISA::PageBytes, SimObject::params(), and roundUp().
void PowerProcess::argsInit | ( | int | intSize, |
int | pageSize | ||
) |
Definition at line 84 of file process.cc.
References sc_dt::align(), Process::argv, Process::contextIds, copyStringArray(), DPRINTF, Process::egid(), Loader::ObjectFile::entryPoint(), Process::envp, Process::euid(), Process::getBias(), Process::getStartPC(), Process::gid(), ArmISA::GuestByteOrder, htobe(), ArmISA::i, Process::image, Process::initVirtMem, Process::interpImage, M5_AT_BASE, M5_AT_CLKTCK, M5_AT_EGID, M5_AT_ENTRY, M5_AT_EUID, M5_AT_EXECFN, M5_AT_FLAGS, M5_AT_GID, M5_AT_HWCAP, M5_AT_PAGESZ, M5_AT_PHDR, M5_AT_PHENT, M5_AT_PHNUM, M5_AT_PLATFORM, M5_AT_RANDOM, M5_AT_SECURE, M5_AT_UID, Process::memState, Process::objFile, PowerISA::PageBytes, ThreadContext::pcState(), roundDown(), roundUp(), ThreadContext::setIntReg(), ArmISA::StackPointerReg, Process::system, System::threads, type, Process::uid(), and Loader::MemoryImage::write().
Referenced by initState().
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overrideprotectedvirtual |
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 76 of file process.cc.
References argsInit(), Process::initState(), and ArmISA::PageBytes.
Referenced by PowerLinuxProcess::initState().