IDE Disk device model. More...

#include <ide_disk.hh>

Inheritance diagram for IdeDisk:

Public Types
typedef IdeDiskParams	Params

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
	IdeDisk (const Params *p)

	~IdeDisk ()
	Delete the data buffer. More...

void	reset (int id)
	Reset the device state. More...

void	regStats () override
	Register Statistics. More...

void	setController (IdeController *c)
	Set the controller for this device. More...

void	readCommand (const Addr offset, int size, uint8_t *data)

void	readControl (const Addr offset, int size, uint8_t *data)

void	writeCommand (const Addr offset, int size, const uint8_t *data)

void	writeControl (const Addr offset, int size, const uint8_t *data)

void	startDma (const uint32_t &prdTableBase)

void	abortDma ()

Public Member Functions inherited from SimObject
const Params *	params () const

	SimObject (const Params *_params)

virtual	~SimObject ()

virtual const std::string	name () const

virtual void	init ()
	init() is called after all C++ SimObjects have been created and all ports are connected. More...

virtual void	loadState (CheckpointIn &cp)
	loadState() is called on each SimObject when restoring from a checkpoint. More...

virtual void	initState ()
	initState() is called on each SimObject when not 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...

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
	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...

Protected Attributes
IdeController *	ctrl
	The IDE controller for this disk. More...

DiskImage *	image
	The image that contains the data of this disk. More...

int	diskDelay
	The disk delay in microseconds. 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...

Private Member Functions
void	startCommand ()

void	intrPost ()

void	intrClear ()

void	doDmaTransfer ()

void	doDmaDataRead ()

void	doDmaRead ()

void	doDmaDataWrite ()

void	doDmaWrite ()

void	dmaPrdReadDone ()

void	dmaReadDone ()

void	dmaWriteDone ()

void	readDisk (uint32_t sector, uint8_t *data)

void	writeDisk (uint32_t sector, uint8_t *data)

void	updateState (DevAction_t action)

bool	isBSYSet ()

bool	isIENSet ()

bool	isDEVSelect ()

void	setComplete ()

uint32_t	getLBABase ()

Addr	pciToDma (Addr pciAddr)

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Private Attributes
struct ataparams	driveID
	Drive identification structure for this disk. More...

uint8_t *	dataBuffer
	Data buffer for transfers. More...

uint32_t	cmdBytes
	Number of bytes in command data transfer. More...

uint32_t	cmdBytesLeft
	Number of bytes left in command data transfer. More...

uint32_t	drqBytesLeft
	Number of bytes left in DRQ block. More...

uint32_t	curSector
	Current sector in access. More...

CommandReg_t	cmdReg
	Command block registers. More...

uint8_t	status
	Status register. More...

bool	nIENBit
	Interrupt enable bit. More...

DevState_t	devState
	Device state. More...

DmaState_t	dmaState
	Dma state. More...

bool	dmaRead
	Dma transaction is a read. More...

uint32_t	curPrdAddr
	PRD table base address. More...

PrdTableEntry	curPrd
	PRD entry. More...

int	devID
	Device ID (master=0/slave=1) More...

bool	intrPending
	Interrupt pending. More...

bool	dmaAborted
	DMA Aborted. More...

Stats::Scalar	dmaReadFullPages

Stats::Scalar	dmaReadBytes

Stats::Scalar	dmaReadTxs

Stats::Scalar	dmaWriteFullPages

Stats::Scalar	dmaWriteBytes

Stats::Scalar	dmaWriteTxs

EventWrapper< IdeDisk,&IdeDisk::doDmaTransfer >	dmaTransferEvent

ChunkGenerator *	dmaReadCG

EventWrapper< IdeDisk,&IdeDisk::doDmaRead >	dmaReadWaitEvent

ChunkGenerator *	dmaWriteCG

EventWrapper< IdeDisk,&IdeDisk::doDmaWrite >	dmaWriteWaitEvent

EventWrapper< IdeDisk,&IdeDisk::dmaPrdReadDone >	dmaPrdReadEvent

EventWrapper< IdeDisk,&IdeDisk::dmaReadDone >	dmaReadEvent

EventWrapper< IdeDisk,&IdeDisk::dmaWriteDone >	dmaWriteEvent

Friends
class	EventWrapper< IdeDisk,&IdeDisk::doDmaTransfer >

class	EventWrapper< IdeDisk,&IdeDisk::doDmaRead >

class	EventWrapper< IdeDisk,&IdeDisk::doDmaWrite >

class	EventWrapper< IdeDisk,&IdeDisk::dmaPrdReadDone >

class	EventWrapper< IdeDisk,&IdeDisk::dmaReadDone >

class	EventWrapper< IdeDisk,&IdeDisk::dmaWriteDone >

Additional Inherited Members
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)

Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

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...

Detailed Description

IDE Disk device model.

Definition at line 207 of file ide_disk.hh.

Member Typedef Documentation

typedef IdeDiskParams IdeDisk::Params

Definition at line 263 of file ide_disk.hh.

Constructor & Destructor Documentation

IdeDisk::IdeDisk ( const Params * p )

IdeDisk::~IdeDisk ( )

Delete the data buffer.

Definition at line 138 of file ide_disk.cc.

References dataBuffer.

Member Function Documentation

void IdeDisk::abortDma ( )

Definition at line 613 of file ide_disk.cc.

References ACT_CMD_ERROR, devState, Dma_Idle, dmaState, panic, Prepare_Data_Dma, Transfer_Data_Dma, and updateState().

void IdeDisk::dmaPrdReadDone ( )

private

Definition at line 357 of file ide_disk.cc.

References ACT_CMD_ERROR, cmdBytesLeft, curPrd, curPrdAddr, curSector, dmaAborted, dmaRead, doDmaDataRead(), doDmaDataWrite(), DPRINTF, PrdTableEntry::getBaseAddr(), PrdTableEntry::getByteCount(), PrdTableEntry::getEOT(), pciToDma(), SectorSize, and updateState().

void IdeDisk::dmaReadDone ( )

private

Definition at line 465 of file ide_disk.cc.

References ACT_DMA_DONE, cmdBytesLeft, curPrd, curSector, dataBuffer, Dma_Idle, dmaState, doDmaTransfer(), PrdTableEntry::getByteCount(), PrdTableEntry::getEOT(), SectorSize, updateState(), and writeDisk().

Referenced by doDmaRead().

void IdeDisk::dmaWriteDone ( )

private

Definition at line 552 of file ide_disk.cc.

References ACT_DMA_DONE, cmdBytesLeft, curPrd, Dma_Idle, dmaState, doDmaTransfer(), DPRINTF, PrdTableEntry::getByteCount(), PrdTableEntry::getEOT(), and updateState().

Referenced by doDmaWrite().

void IdeDisk::doDmaDataRead ( )

private

Todo:: we need to figure out what the delay actually will be

Definition at line 381 of file ide_disk.cc.

References curPrd, curTick(), diskDelay, dmaReadWaitEvent, DPRINTF, PrdTableEntry::getByteCount(), EventManager::schedule(), and SectorSize.

Referenced by dmaPrdReadDone().

void IdeDisk::doDmaDataWrite ( )

private

Todo:: we need to figure out what the delay actually will be

Definition at line 488 of file ide_disk.cc.

References cmdBytesLeft, curPrd, curSector, curTick(), dataBuffer, diskDelay, dmaWriteWaitEvent, DPRINTF, PrdTableEntry::getByteCount(), MAX_DMA_SIZE, readDisk(), EventManager::schedule(), and SectorSize.

Referenced by dmaPrdReadDone().

void IdeDisk::doDmaRead ( )

private

void IdeDisk::doDmaTransfer ( )

private

Definition at line 336 of file ide_disk.cc.

References ACT_CMD_ERROR, ctrl, curPrd, curPrdAddr, curTick(), devState, DMA_BACKOFF_PERIOD, Dma_Transfer, dmaAborted, DmaDevice::dmaPending(), dmaPrdReadEvent, DmaDevice::dmaRead(), dmaState, dmaTransferEvent, DPRINTF, Drainable::drainState(), PrdTableEntry::entry, panic, Running, EventManager::schedule(), Transfer_Data_Dma, and updateState().

Referenced by dmaReadDone(), and dmaWriteDone().

void IdeDisk::doDmaWrite ( )

private

uint32_t IdeDisk::getLBABase ( )

inlineprivate

Definition at line 360 of file ide_disk.hh.

References cmdReg, CommandReg::cyl_high, CommandReg::cyl_low, CommandReg::head, and CommandReg::sec_num.

Referenced by startCommand().

void IdeDisk::intrClear ( )

private

Definition at line 755 of file ide_disk.cc.

References ctrl, DPRINTF, PciDevice::intrClear(), intrPending, and panic.

Referenced by updateState().

void IdeDisk::intrPost ( )

private

Definition at line 740 of file ide_disk.cc.

References ctrl, DPRINTF, intrPending, IdeController::intrPost(), and panic.

Referenced by updateState().

bool IdeDisk::isBSYSet ( )

inlineprivate

Definition at line 346 of file ide_disk.hh.

References status, and STATUS_BSY_BIT.

bool IdeDisk::isDEVSelect ( )

private

Definition at line 189 of file ide_disk.cc.

References ctrl, and IdeController::isDiskSelected().

Referenced by updateState().

bool IdeDisk::isIENSet ( )

inlineprivate

Definition at line 347 of file ide_disk.hh.

References nIENBit.

Referenced by updateState().

Addr IdeDisk::pciToDma ( Addr pciAddr )

inlineprivate

Definition at line 195 of file ide_disk.cc.

References ctrl, panic, and PciDevice::pciToDma().

Referenced by dmaPrdReadDone(), doDmaRead(), doDmaWrite(), and startDma().

void IdeDisk::readCommand	(	const Addr	offset,
		int	size,
		uint8_t *	data
	)

Definition at line 208 of file ide_disk.cc.

References ACT_DATA_READ_SHORT, ACT_STAT_READ, cmdReg, CommandReg::cyl_high, CommandReg::cyl_low, CommandReg::data, DATA_OFFSET, DPRINTF, CommandReg::drive, DRIVE_OFFSET, CommandReg::error, ERROR_OFFSET, HCYL_OFFSET, LCYL_OFFSET, NSECTOR_OFFSET, panic, CommandReg::sec_count, CommandReg::sec_num, SECTOR_OFFSET, status, STATUS_OFFSET, and updateState().

void IdeDisk::readControl	(	const Addr	offset,
		int	size,
		uint8_t *	data
	)

Definition at line 254 of file ide_disk.cc.

References ALTSTAT_OFFSET, DPRINTF, panic, and status.

void IdeDisk::readDisk	(	uint32_t	sector,
		uint8_t *	data
	)

private

Definition at line 571 of file ide_disk.cc.

References image, SimObject::name(), panic, DiskImage::read(), and SectorSize.

Referenced by doDmaDataWrite(), and updateState().

void IdeDisk::regStats ( )

overridevirtual

Register Statistics.

Reimplemented from SimObject.

Definition at line 393 of file ide_disk.cc.

References Stats::DataWrap< Derived, InfoProxyType >::desc(), dmaReadBytes, dmaReadFullPages, dmaReadTxs, dmaWriteBytes, dmaWriteFullPages, dmaWriteTxs, SimObject::name(), Stats::DataWrap< Derived, InfoProxyType >::name(), and SimObject::regStats().

void IdeDisk::reset ( int id )

Reset the device state.

Definition at line 145 of file ide_disk.cc.

References cmdBytes, cmdBytesLeft, cmdReg, curPrd, curPrdAddr, curSector, dataBuffer, DEV0, DEV1, Device_Idle_NS, Device_Idle_S, devID, devState, Dma_Idle, dmaAborted, dmaRead, dmaState, drqBytesLeft, PrdTableEntry::entry, CommandReg::error, intrPending, MAX_DMA_SIZE, panic, status, and STATUS_DRDY_BIT.

Referenced by IdeDisk(), and updateState().

void IdeDisk::serialize ( CheckpointOut & cp ) const

overrideprivatevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Todo:: need to serialized chunk generator stuff!!

Implements Serializable.

Definition at line 1073 of file ide_disk.cc.

References PrdEntry::baseAddr, PrdEntry::byteCount, cmdBytes, cmdBytesLeft, cmdReg, CommandReg::command, curPrd, curPrdAddr, curSector, CommandReg::cyl_high, CommandReg::cyl_low, CommandReg::data, dataBuffer, devID, devState, dmaAborted, dmaPrdReadEvent, DmaRead, dmaRead, dmaReadEvent, dmaReadWaitEvent, dmaState, dmaTransferEvent, DmaWrite, dmaWriteEvent, dmaWriteWaitEvent, CommandReg::drive, drqBytesLeft, PrdEntry::endOfTable, PrdTableEntry::entry, MipsISA::event, intrPending, MAX_DMA_SIZE, nIENBit, None, PrdRead, ReadWait, EventManager::reschedule(), Event::scheduled(), CommandReg::sec_count, CommandReg::sec_num, SERIALIZE_ARRAY, SERIALIZE_ENUM, SERIALIZE_SCALAR, status, Transfer, Event::when(), and WriteWait.

void IdeDisk::setComplete ( )

inlineprivate

Definition at line 350 of file ide_disk.hh.

References status, STATUS_DRDY_BIT, and STATUS_SEEK_BIT.

Referenced by updateState().

void IdeDisk::setController ( IdeController * c )

inline

Set the controller for this device.

Parameters

c	The IDE controller

Definition at line 285 of file ide_disk.hh.

References ArmISA::c, ctrl, and panic.

void IdeDisk::startCommand ( )

private

Todo:: make this a scheduled event to simulate disk delay

Definition at line 625 of file ide_disk.cc.

References ACT_CMD_COMPLETE, ACT_DATA_READY, ACT_DMA_READY, ACT_NONE, ATAPI_IDENTIFY_DEVICE, cmdBytes, cmdBytesLeft, cmdReg, CommandReg::command, Command_Execution, curSector, CommandReg::cyl_high, CommandReg::cyl_low, devState, dmaRead, DPRINTF, CommandReg::drive, DRIVE_LBA_BIT, getLBABase(), CommandReg::head, image, panic, Prepare_Data_Dma, Prepare_Data_In, Prepare_Data_Out, CommandReg::sec_count, CommandReg::sec_num, SectorSize, SET_FEATURES, DiskImage::size(), X86ISA::size(), status, STATUS_BSY_BIT, STATUS_DF_BIT, STATUS_DRQ_BIT, updateState(), WDCC_FLUSHCACHE, WDCC_IDENTIFY, WDCC_IDLE, WDCC_IDP, WDCC_READ, WDCC_READDMA, WDCC_READMULTI, WDCC_RECAL, WDCC_SETMULTI, WDCC_STANDBY_IMMED, WDCC_WRITE, WDCC_WRITEDMA, WDCC_WRITEMULTI, WDSF_READ_NATIVE_MAX, WDSF_SEEK, and WDSF_VERIFY.

Referenced by updateState().

void IdeDisk::startDma ( const uint32_t & prdTableBase )

Definition at line 595 of file ide_disk.cc.

References curPrdAddr, curTick(), devState, Dma_Start, Dma_Transfer, dmaState, dmaTransferEvent, panic, pciToDma(), EventManager::schedule(), Transfer_Data_Dma, and ULL.

void IdeDisk::unserialize ( CheckpointIn & cp )

overrideprivatevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Todo:: need to serialized chunk generator stuff!!

Implements Serializable.

Definition at line 1151 of file ide_disk.cc.

References PrdEntry::baseAddr, PrdEntry::byteCount, cmdBytes, cmdBytesLeft, cmdReg, CommandReg::command, curPrd, curPrdAddr, curSector, CommandReg::cyl_high, CommandReg::cyl_low, CommandReg::data, dataBuffer, devID, devState, dmaAborted, dmaPrdReadEvent, DmaRead, dmaRead, dmaReadEvent, dmaReadWaitEvent, dmaState, dmaTransferEvent, DmaWrite, dmaWriteEvent, dmaWriteWaitEvent, CommandReg::drive, drqBytesLeft, PrdEntry::endOfTable, PrdTableEntry::entry, MipsISA::event, intrPending, MAX_DMA_SIZE, nIENBit, None, PrdRead, ReadWait, EventManager::reschedule(), EventManager::schedule(), CommandReg::sec_count, CommandReg::sec_num, status, Transfer, UNSERIALIZE_ARRAY, UNSERIALIZE_ENUM, UNSERIALIZE_SCALAR, and WriteWait.

void IdeDisk::updateState ( DevAction_t action )

private

Todo:: change this to a scheduled event to simulate disk delay

Todo:: change this to a scheduled event to simulate disk delay

Definition at line 773 of file ide_disk.cc.

References ACT_CMD_COMPLETE, ACT_CMD_ERROR, ACT_CMD_WRITE, ACT_DATA_READ_BYTE, ACT_DATA_READ_SHORT, ACT_DATA_READY, ACT_DATA_WRITE_BYTE, ACT_DATA_WRITE_SHORT, ACT_DMA_DONE, ACT_DMA_READY, ACT_SELECT_WRITE, ACT_SRST_CLEAR, ACT_SRST_SET, ACT_STAT_READ, ATAPI_IDENTIFY_DEVICE, cmdBytes, cmdBytesLeft, cmdReg, CommandReg::command, Command_Execution, ctrl, curSector, CommandReg::data, Data_Ready_INTRQ_In, Data_Ready_INTRQ_Out, dataBuffer, Device_Dma_Abort, Device_Idle_NS, Device_Idle_S, Device_Idle_SI, Device_Srst, devID, devState, Dma_Idle, Dma_Start, dmaAborted, dmaState, DPRINTF, driveID, drqBytesLeft, intrClear(), intrPending, intrPost(), isDEVSelect(), isIENSet(), MAX_DMA_SIZE, panic, Prepare_Data_Dma, Prepare_Data_In, Prepare_Data_Out, readDisk(), reset(), SectorSize, setComplete(), IdeController::setDmaComplete(), startCommand(), status, STATUS_BSY_BIT, STATUS_DRQ_BIT, STATUS_SEEK_BIT, Transfer_Data_Dma, Transfer_Data_In, Transfer_Data_Out, WDCC_IDENTIFY, and writeDisk().

Referenced by abortDma(), dmaPrdReadDone(), dmaReadDone(), dmaWriteDone(), doDmaRead(), doDmaTransfer(), doDmaWrite(), readCommand(), startCommand(), writeCommand(), and writeControl().

void IdeDisk::writeCommand	(	const Addr	offset,
		int	size,
		const uint8_t *	data
	)

Definition at line 264 of file ide_disk.cc.

References ACT_CMD_WRITE, ACT_DATA_WRITE_SHORT, ACT_SELECT_WRITE, cmdReg, CommandReg::command, COMMAND_OFFSET, CommandReg::cyl_high, CommandReg::cyl_low, data, CommandReg::data, DATA_OFFSET, DPRINTF, CommandReg::drive, DRIVE_OFFSET, FEATURES_OFFSET, HCYL_OFFSET, LCYL_OFFSET, NSECTOR_OFFSET, panic, CommandReg::sec_count, CommandReg::sec_num, SECTOR_OFFSET, and updateState().

void IdeDisk::writeControl	(	const Addr	offset,
		int	size,
		const uint8_t *	data
	)

Definition at line 312 of file ide_disk.cc.

References ACT_SRST_CLEAR, ACT_SRST_SET, CONTROL_IEN_BIT, CONTROL_OFFSET, CONTROL_RST_BIT, Device_Srst, devState, DPRINTF, nIENBit, panic, and updateState().

void IdeDisk::writeDisk	(	uint32_t	sector,
		uint8_t *	data
	)

private

Definition at line 581 of file ide_disk.cc.

References image, SimObject::name(), panic, SectorSize, and DiskImage::write().

Referenced by dmaReadDone(), and updateState().

Friends And Related Function Documentation

friend class EventWrapper< IdeDisk,&IdeDisk::dmaPrdReadDone >

friend

Definition at line 327 of file ide_disk.hh.

friend class EventWrapper< IdeDisk,&IdeDisk::dmaReadDone >

friend

Definition at line 331 of file ide_disk.hh.

friend class EventWrapper< IdeDisk,&IdeDisk::dmaWriteDone >

friend

Definition at line 335 of file ide_disk.hh.

friend class EventWrapper< IdeDisk,&IdeDisk::doDmaRead >

friend

Definition at line 316 of file ide_disk.hh.

friend class EventWrapper< IdeDisk,&IdeDisk::doDmaTransfer >

friend

Definition at line 309 of file ide_disk.hh.

friend class EventWrapper< IdeDisk,&IdeDisk::doDmaWrite >

friend

Definition at line 323 of file ide_disk.hh.

Member Data Documentation

uint32_t IdeDisk::cmdBytes

private

Number of bytes in command data transfer.

Definition at line 225 of file ide_disk.hh.

Referenced by reset(), serialize(), startCommand(), unserialize(), and updateState().

uint32_t IdeDisk::cmdBytesLeft

private

Number of bytes left in command data transfer.

Definition at line 227 of file ide_disk.hh.

Referenced by dmaPrdReadDone(), dmaReadDone(), dmaWriteDone(), doDmaDataWrite(), reset(), serialize(), startCommand(), unserialize(), and updateState().

CommandReg_t IdeDisk::cmdReg

private

Command block registers.

Definition at line 233 of file ide_disk.hh.

Referenced by getLBABase(), readCommand(), reset(), serialize(), startCommand(), unserialize(), updateState(), and writeCommand().

IdeController* IdeDisk::ctrl

protected

The IDE controller for this disk.

Definition at line 211 of file ide_disk.hh.

Referenced by doDmaRead(), doDmaTransfer(), doDmaWrite(), intrClear(), intrPost(), isDEVSelect(), pciToDma(), setController(), and updateState().

PrdTableEntry IdeDisk::curPrd

private

PRD entry.

Definition at line 247 of file ide_disk.hh.

Referenced by dmaPrdReadDone(), dmaReadDone(), dmaWriteDone(), doDmaDataRead(), doDmaDataWrite(), doDmaRead(), doDmaTransfer(), doDmaWrite(), reset(), serialize(), and unserialize().

uint32_t IdeDisk::curPrdAddr

private

PRD table base address.

Definition at line 245 of file ide_disk.hh.

Referenced by dmaPrdReadDone(), doDmaTransfer(), reset(), serialize(), startDma(), and unserialize().

uint32_t IdeDisk::curSector

private

Current sector in access.

Definition at line 231 of file ide_disk.hh.

Referenced by dmaPrdReadDone(), dmaReadDone(), doDmaDataWrite(), reset(), serialize(), startCommand(), unserialize(), and updateState().

uint8_t* IdeDisk::dataBuffer

private

Data buffer for transfers.

Definition at line 223 of file ide_disk.hh.

Referenced by dmaReadDone(), doDmaDataWrite(), doDmaRead(), doDmaWrite(), reset(), serialize(), unserialize(), updateState(), and ~IdeDisk().

int IdeDisk::devID

private

Device ID (master=0/slave=1)

Definition at line 249 of file ide_disk.hh.

Referenced by reset(), serialize(), unserialize(), and updateState().

DevState_t IdeDisk::devState

private

Device state.

Definition at line 239 of file ide_disk.hh.

Referenced by abortDma(), doDmaTransfer(), reset(), serialize(), startCommand(), startDma(), unserialize(), updateState(), and writeControl().

int IdeDisk::diskDelay

protected

The disk delay in microseconds.

Definition at line 217 of file ide_disk.hh.

Referenced by doDmaDataRead(), and doDmaDataWrite().

bool IdeDisk::dmaAborted

private

DMA Aborted.

Definition at line 253 of file ide_disk.hh.

Referenced by dmaPrdReadDone(), doDmaRead(), doDmaTransfer(), doDmaWrite(), reset(), serialize(), unserialize(), and updateState().

EventWrapper<IdeDisk, &IdeDisk::dmaPrdReadDone> IdeDisk::dmaPrdReadEvent

private

Definition at line 328 of file ide_disk.hh.

Referenced by doDmaTransfer(), serialize(), and unserialize().

bool IdeDisk::dmaRead

private

Dma transaction is a read.

Definition at line 243 of file ide_disk.hh.

Referenced by dmaPrdReadDone(), reset(), serialize(), startCommand(), and unserialize().

Stats::Scalar IdeDisk::dmaReadBytes

private

Definition at line 256 of file ide_disk.hh.

Referenced by doDmaRead(), and regStats().

ChunkGenerator* IdeDisk::dmaReadCG

private

Definition at line 315 of file ide_disk.hh.

Referenced by doDmaRead().

EventWrapper<IdeDisk, &IdeDisk::dmaReadDone> IdeDisk::dmaReadEvent

private

Definition at line 332 of file ide_disk.hh.

Referenced by serialize(), and unserialize().

Stats::Scalar IdeDisk::dmaReadFullPages

private

Definition at line 255 of file ide_disk.hh.

Referenced by doDmaRead(), and regStats().

Stats::Scalar IdeDisk::dmaReadTxs

private

Definition at line 257 of file ide_disk.hh.

Referenced by doDmaRead(), and regStats().

EventWrapper<IdeDisk, &IdeDisk::doDmaRead> IdeDisk::dmaReadWaitEvent

private

Definition at line 317 of file ide_disk.hh.

Referenced by doDmaDataRead(), doDmaRead(), serialize(), and unserialize().

DmaState_t IdeDisk::dmaState

private

Dma state.

Definition at line 241 of file ide_disk.hh.

Referenced by abortDma(), dmaReadDone(), dmaWriteDone(), doDmaTransfer(), reset(), serialize(), startDma(), unserialize(), and updateState().

EventWrapper<IdeDisk, &IdeDisk::doDmaTransfer> IdeDisk::dmaTransferEvent

private

Definition at line 310 of file ide_disk.hh.

Referenced by doDmaTransfer(), serialize(), startDma(), and unserialize().

Stats::Scalar IdeDisk::dmaWriteBytes

private

Definition at line 259 of file ide_disk.hh.

Referenced by doDmaWrite(), and regStats().

ChunkGenerator* IdeDisk::dmaWriteCG

private

Definition at line 322 of file ide_disk.hh.

Referenced by doDmaWrite().

EventWrapper<IdeDisk, &IdeDisk::dmaWriteDone> IdeDisk::dmaWriteEvent

private

Definition at line 336 of file ide_disk.hh.

Referenced by serialize(), and unserialize().

Stats::Scalar IdeDisk::dmaWriteFullPages

private

Definition at line 258 of file ide_disk.hh.

Referenced by doDmaWrite(), and regStats().

Stats::Scalar IdeDisk::dmaWriteTxs

private

Definition at line 260 of file ide_disk.hh.

Referenced by doDmaWrite(), and regStats().

EventWrapper<IdeDisk, &IdeDisk::doDmaWrite> IdeDisk::dmaWriteWaitEvent

private

Definition at line 324 of file ide_disk.hh.

Referenced by doDmaDataWrite(), doDmaWrite(), serialize(), and unserialize().

struct ataparams IdeDisk::driveID

private

Drive identification structure for this disk.

Definition at line 221 of file ide_disk.hh.

Referenced by IdeDisk(), and updateState().

uint32_t IdeDisk::drqBytesLeft

private

Number of bytes left in DRQ block.

Definition at line 229 of file ide_disk.hh.

Referenced by reset(), serialize(), unserialize(), and updateState().

DiskImage* IdeDisk::image

protected

The image that contains the data of this disk.

Definition at line 213 of file ide_disk.hh.

Referenced by IdeDisk(), readDisk(), startCommand(), and writeDisk().

bool IdeDisk::intrPending

private

Interrupt pending.

Definition at line 251 of file ide_disk.hh.

Referenced by intrClear(), intrPost(), reset(), serialize(), unserialize(), and updateState().

bool IdeDisk::nIENBit

private

Interrupt enable bit.

Definition at line 237 of file ide_disk.hh.

Referenced by isIENSet(), serialize(), unserialize(), and writeControl().

uint8_t IdeDisk::status

private

Status register.

Definition at line 235 of file ide_disk.hh.

Referenced by isBSYSet(), readCommand(), readControl(), reset(), serialize(), setComplete(), startCommand(), unserialize(), and updateState().

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

dev/storage/ide_disk.hh
dev/storage/ide_disk.cc

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