gem5::memory::CfiMemory::BlockData Struct Reference

Metadata about the erase blocks in flash. More...

Inheritance diagram for gem5::memory::CfiMemory::BlockData:

Public Member Functions
	BlockData (const CfiMemory &_parent, ssize_t number, ssize_t size)
bool	isLocked (Addr block_address) const
	Return true if the block pointed by the block_address parameter is locked.
void	lock (Addr block_address)
	Lock the block pointed by the block_address parameter.
void	unlock (Addr block_address)
	Unlock the block pointed by the block_address parameter.
void	erase (PacketPtr pkt)
	Erase a single block.
ssize_t	number () const
	Number of erase blocks in flash memory.
ssize_t	size () const
	Size in bytes of a single erase block.
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 Member Functions
void	serialize (CheckpointOut &cp) const override
	Serialize an object.
void	unserialize (CheckpointIn &cp) override
	Unserialize an object.
uint32_t	blockIdx (Addr block_address) const

Private Attributes
std::vector< bool >	locked
const ssize_t	blockSize
const CfiMemory &	parent

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

Metadata about the erase blocks in flash.

Definition at line 104 of file cfi_mem.hh.

Constructor & Destructor Documentation

BlockData()

gem5::memory::CfiMemory::BlockData::BlockData ( const CfiMemory & _parent, ssize_t number, ssize_t size )

inline

Definition at line 106 of file cfi_mem.hh.

Member Function Documentation

blockIdx()

uint32_t gem5::memory::CfiMemory::BlockData::blockIdx ( Addr block_address ) const

private

Definition at line 88 of file cfi_mem.cc.

Referenced by isLocked().

erase()

void gem5::memory::CfiMemory::BlockData::erase

(

PacketPtr

pkt

)

Erase a single block.

The address of the block is supplied by the packet address.

@params pkt memory packet targeting the erase block

Definition at line 755 of file cfi_mem.cc.

References gem5::Packet::getAddr().

Referenced by gem5::memory::CfiMemory::write().

isLocked()

bool gem5::memory::CfiMemory::BlockData::isLocked

(

Addr

block_address

)

const

Return true if the block pointed by the block_address parameter is locked.

@params block_address address of the erase block in flash memory: first block starts ad address 0x0

Returns

true if block is locked

Definition at line 58 of file cfi_mem.cc.

References blockIdx(), and locked.

Referenced by gem5::memory::CfiMemory::readDeviceID(), and gem5::memory::CfiMemory::write().

lock()

void gem5::memory::CfiMemory::BlockData::lock

(

Addr

block_address

)

Lock the block pointed by the block_address parameter.

@params block_address address of the erase block in flash memory: first block starts ad address 0x0

Definition at line 64 of file cfi_mem.cc.

Referenced by gem5::memory::CfiMemory::write().

number()

ssize_t gem5::memory::CfiMemory::BlockData::number ( ) const

inline

Number of erase blocks in flash memory.

Definition at line 147 of file cfi_mem.hh.

References locked.

serialize()

void gem5::memory::CfiMemory::BlockData::serialize ( CheckpointOut & cp ) const

overrideprivatevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 76 of file cfi_mem.cc.

References SERIALIZE_CONTAINER.

size()

ssize_t gem5::memory::CfiMemory::BlockData::size ( ) const

inline

Size in bytes of a single erase block.

Definition at line 150 of file cfi_mem.hh.

References blockSize.

unlock()

void gem5::memory::CfiMemory::BlockData::unlock

(

Addr

block_address

)

Unlock the block pointed by the block_address parameter.

@params block_address address of the erase block in flash memory: first block starts ad address 0x0

Definition at line 70 of file cfi_mem.cc.

Referenced by gem5::memory::CfiMemory::write().

unserialize()

void gem5::memory::CfiMemory::BlockData::unserialize ( CheckpointIn & cp )

overrideprivatevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 82 of file cfi_mem.cc.

References UNSERIALIZE_CONTAINER.

Member Data Documentation

blockSize

const ssize_t gem5::memory::CfiMemory::BlockData::blockSize

private

Definition at line 164 of file cfi_mem.hh.

Referenced by size().

locked

std::vector<bool> gem5::memory::CfiMemory::BlockData::locked

private

Definition at line 161 of file cfi_mem.hh.

Referenced by isLocked(), and number().

parent

const CfiMemory& gem5::memory::CfiMemory::BlockData::parent

private

Definition at line 166 of file cfi_mem.hh.

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

• mem/cfi_mem.hh
• mem/cfi_mem.cc