gem5::MemPools Class Reference

#include <mem_pool.hh>

Inheritance diagram for gem5::MemPools:

Public Member Functions
	MemPools (Addr page_shift)
void	populate (const AddrRangeList &memories)
Addr	allocPhysPages (int npages, int pool_id=0)
	Allocate npages contiguous unused physical pages.
void	deallocPhysPages (Addr page_addr, int npages, int pool_id=0)
	Deallocate physical pages.
Addr	memSize (int pool_id=0) const
	Amount of physical memory that exists in a pool.
Addr	freeMemSize (int pool_id=0) const
	Amount of physical memory that is still free in a pool.
void	serialize (CheckpointOut &cp) const override
	Serialize an object.
void	unserialize (CheckpointIn &cp) override
	Unserialize an object.
Public Member Functions inherited from gem5::Serializable
	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)

Private Attributes
Addr	pageShift
std::vector< MemPool >	pools

Additional Inherited Members
Static Public Member Functions inherited from gem5::Serializable
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.

Detailed Description

Definition at line 84 of file mem_pool.hh.

Constructor & Destructor Documentation

MemPools()

gem5::MemPools::MemPools ( Addr page_shift )

inline

Definition at line 92 of file mem_pool.hh.

References pageShift.

Member Function Documentation

allocPhysPages()

Addr gem5::MemPools::allocPhysPages	(	int	npages,
		int	pool_id = 0 )

Allocate npages contiguous unused physical pages.

Returns

Starting address of first page

Definition at line 163 of file mem_pool.cc.

References pools.

deallocPhysPages()

void gem5::MemPools::deallocPhysPages	(	Addr	page_addr,
		int	npages,
		int	pool_id = 0 )

Deallocate physical pages.

These may be reallocated by allocPhysPages later on.

Definition at line 169 of file mem_pool.cc.

References pools.

freeMemSize()

Addr gem5::MemPools::freeMemSize

(

int

pool_id = 0

)

const

Amount of physical memory that is still free in a pool.

Definition at line 181 of file mem_pool.cc.

References pools.

memSize()

Addr gem5::MemPools::memSize

(

int

pool_id = 0

)

const

Amount of physical memory that exists in a pool.

Definition at line 175 of file mem_pool.cc.

References pools.

populate()

void gem5::MemPools::populate

(

const AddrRangeList &

memories

)

Definition at line 156 of file mem_pool.cc.

References mem, pageShift, and pools.

serialize()

void gem5::MemPools::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 187 of file mem_pool.cc.

References gem5::csprintf(), gem5::ArmISA::i, pools, SERIALIZE_SCALAR, and gem5::Serializable::serializeSection().

unserialize()

void gem5::MemPools::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 198 of file mem_pool.cc.

References gem5::csprintf(), gem5::ArmISA::i, pools, UNSERIALIZE_SCALAR, and gem5::Serializable::unserializeSection().

Member Data Documentation

pageShift

Addr gem5::MemPools::pageShift

private

Definition at line 87 of file mem_pool.hh.

Referenced by MemPools(), and populate().

pools

std::vector<MemPool> gem5::MemPools::pools

private

Definition at line 89 of file mem_pool.hh.

Referenced by allocPhysPages(), deallocPhysPages(), freeMemSize(), memSize(), populate(), serialize(), and unserialize().

---

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

• sim/mem_pool.hh
• sim/mem_pool.cc