#include <system.hh>

Inheritance diagram for X86System:

Public Types
typedef X86SystemParams	Params

Public Types inherited from System
typedef SystemParams	Params

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
	X86System (Params *p)

	~X86System ()

void	initState ()
	Serialization stuff. More...

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...

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)

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 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...

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 Stats::Group
	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 Member Functions
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...

Protected Member Functions inherited from System
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...

Protected Member Functions inherited from Drainable
	Drainable ()

virtual	~Drainable ()

void	signalDrainDone () const
	Signal that an object is drained. More...

Protected Attributes
X86ISA::SMBios::SMBiosTable *	smbiosTable

X86ISA::IntelMP::FloatingPointer *	mpFloatingPointer

X86ISA::IntelMP::ConfigTable *	mpConfigTable

X86ISA::ACPI::RSDP *	rsdp

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< 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...

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...

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 System
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

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

Detailed Description

Definition at line 77 of file system.hh.

Member Typedef Documentation

◆ Params

typedef X86SystemParams X86System::Params

Definition at line 80 of file system.hh.

Constructor & Destructor Documentation

◆ X86System()

X86System::X86System ( Params * p )

Definition at line 54 of file system.cc.

Referenced by ~X86System().

◆ ~X86System()

X86System::~X86System ( )

Definition at line 371 of file system.cc.

References smbiosTable, and X86System().

Member Function Documentation

◆ fixFuncEventAddr()

virtual Addr X86System::fixFuncEventAddr ( Addr addr )

inlineprotectedvirtual

Fix up an address used to match PCs for hooking simulator events on to target function executions.

See comment in system.cc for details.

Reimplemented from System.

Definition at line 106 of file system.hh.

References X86ISA::addr.

◆ initState()

void X86System::initState ( )

virtual

Serialization stuff.

Reimplemented from SimObject.

Definition at line 107 of file system.cc.

References X86ISA::base, MipsISA::ds, fatal, ObjectFile::getArch(), ThreadContext::getSystemPtr(), htole(), ObjectFile::I386, System::initState(), X86ISA::installSegDesc(), X86ISA::InitInterrupt::invoke(), System::kernel, System::kernelEntry, X86ISA::MISCREG_CR0, X86ISA::MISCREG_CR3, X86ISA::MISCREG_CR4, X86ISA::MISCREG_CS, X86ISA::MISCREG_DS, X86ISA::MISCREG_EFER, X86ISA::MISCREG_ES, X86ISA::MISCREG_FS, X86ISA::MISCREG_GS, X86ISA::MISCREG_SS, X86ISA::MISCREG_TR, X86ISA::MISCREG_TSG_BASE, X86ISA::MISCREG_TSG_LIMIT, X86ISA::MISCREG_TSL, ArmISA::offset, ThreadContext::pcState(), System::physProxy, ThreadContext::readMiscRegNoEffect(), roundUp(), X86ISA::SEGMENT_REG_CS, X86ISA::SEGMENT_REG_DS, X86ISA::SEGMENT_REG_ES, X86ISA::SEGMENT_REG_FS, X86ISA::SEGMENT_REG_GS, X86ISA::SEGMENT_REG_SS, ThreadContext::setMiscReg(), X86ISA::SYS_SEGMENT_REG_TR, System::threadContexts, PortProxy::writeBlob(), writeOutMPTable(), and writeOutSMBiosTable().

Referenced by LinuxX86System::initState().

◆ params()

const Params* X86System::params ( ) const

inlineprotected

Definition at line 104 of file system.hh.

◆ writeOutMPTable()

void X86System::writeOutMPTable	(	Addr	fp,
		Addr &	fpSize,
		Addr &	tableSize,
		Addr	table = `0`
	)

protected

Definition at line 345 of file system.cc.

References mpConfigTable, mpFloatingPointer, System::physProxy, X86ISA::IntelMP::FloatingPointer::setTableAddr(), X86ISA::IntelMP::FloatingPointer::writeOut(), and X86ISA::IntelMP::ConfigTable::writeOut().

Referenced by initState().

◆ writeOutSMBiosTable()

void X86System::writeOutSMBiosTable	(	Addr	header,
		Addr &	headerSize,
		Addr &	tableSize,
		Addr	table = `0`
	)

protected

Definition at line 327 of file system.cc.

References System::physProxy, X86ISA::SMBios::SMBiosTable::setTableAddr(), smbiosTable, and X86ISA::SMBios::SMBiosTable::writeOut().

Referenced by initState().

Member Data Documentation

◆ mpConfigTable

X86ISA::IntelMP::ConfigTable* X86System::mpConfigTable

protected

Definition at line 95 of file system.hh.

Referenced by writeOutMPTable().

◆ mpFloatingPointer

X86ISA::IntelMP::FloatingPointer* X86System::mpFloatingPointer

protected

Definition at line 94 of file system.hh.

Referenced by writeOutMPTable().

◆ rsdp

X86ISA::ACPI::RSDP* X86System::rsdp

protected

Definition at line 96 of file system.hh.

◆ smbiosTable

X86ISA::SMBios::SMBiosTable* X86System::smbiosTable

protected

Definition at line 93 of file system.hh.

Referenced by writeOutSMBiosTable(), and ~X86System().

The documentation for this class was generated from the following files:

arch/x86/system.hh
arch/x86/system.cc

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

Constructor & Destructor Documentation

◆ X86System()

◆ ~X86System()

Member Function Documentation

◆ fixFuncEventAddr()

◆ initState()

◆ params()

◆ writeOutMPTable()

◆ writeOutSMBiosTable()

Member Data Documentation

◆ mpConfigTable

◆ mpFloatingPointer

◆ rsdp

◆ smbiosTable