gem5::IdeController::Channel Class Reference

#include <ide_ctrl.hh>

Inheritance diagram for gem5::IdeController::Channel:

Classes
struct	BMIRegs
	Registers used for bus master interface. More...

Public Member Functions
bool	isPrimary () const
bool	pendingInterrupt () const
IdeDisk *	selected () const
IdeController *	controller () const
void	setDevice0 (IdeDisk *disk)
void	setDevice1 (IdeDisk *disk)
void	select (bool select_device_1)
void	accessCommand (Addr offset, int size, uint8_t *data, bool read)
void	accessControl (Addr offset, int size, uint8_t *data, bool read)
void	accessBMI (Addr offset, int size, uint8_t *data, bool read)
void	setDmaComplete ()
void	postInterrupt ()
void	clearInterrupt ()
	Channel (std::string new_name, IdeController *new_ctrl, bool new_primary)
void	serialize (const std::string &base, std::ostream &os) const
void	unserialize (const std::string &base, CheckpointIn &cp)
Public Member Functions inherited from gem5::Named
	Named (std::string_view name_)
virtual	~Named ()=default
virtual std::string	name () const

Public Attributes
struct gem5::IdeController::Channel::BMIRegs	bmiRegs

Private Attributes
IdeController *	ctrl
IdeDisk *	device0 = nullptr
	IDE disks connected to this controller For more details about device0 and device1 see: https://en.wikipedia.org/wiki/Parallel_ATA #Multiple_devices_on_a_cable.
IdeDisk *	device1 = nullptr
IdeDisk *	_selected = nullptr
	Currently selected disk.
bool	selectBit = false
bool	primary
bool	_pendingInterrupt = false

Detailed Description

Definition at line 109 of file ide_ctrl.hh.

Constructor & Destructor Documentation

Channel()

gem5::IdeController::Channel::Channel	(	std::string	new_name,
		IdeController *	new_ctrl,
		bool	new_primary )

Definition at line 64 of file ide_ctrl.cc.

References bmiRegs, ctrl, gem5::IdeController::IdeController(), gem5::Named::Named(), and primary.

Member Function Documentation

accessBMI()

void gem5::IdeController::Channel::accessBMI	(	Addr	offset,
		int	size,
		uint8_t *	data,
		bool	read )

Definition at line 230 of file ide_ctrl.cc.

References gem5::BMICommand, gem5::BMIDescTablePtr, bmiRegs, gem5::BMIStatus, data, DPRINTF, gem5::htole(), gem5::letoh(), gem5::ArmISA::offset, panic, gem5::IdeController::read(), and selected().

accessCommand()

void gem5::IdeController::Channel::accessCommand	(	Addr	offset,
		int	size,
		uint8_t *	data,
		bool	read )

Definition at line 196 of file ide_ctrl.cc.

References data, gem5::ArmISA::offset, gem5::IdeController::read(), select(), and selected().

accessControl()

void gem5::IdeController::Channel::accessControl	(	Addr	offset,
		int	size,
		uint8_t *	data,
		bool	read )

Definition at line 216 of file ide_ctrl.cc.

References data, gem5::ArmISA::offset, gem5::IdeController::read(), and selected().

clearInterrupt()

void gem5::IdeController::Channel::clearInterrupt

(

)

Definition at line 132 of file ide_ctrl.cc.

References _pendingInterrupt, bmiRegs, ctrl, and isPrimary().

controller()

IdeController * gem5::IdeController::Channel::controller ( ) const

inline

Definition at line 136 of file ide_ctrl.hh.

References ctrl, and gem5::IdeController::IdeController().

isPrimary()

bool gem5::IdeController::Channel::isPrimary ( ) const

inline

Definition at line 131 of file ide_ctrl.hh.

References primary.

Referenced by clearInterrupt(), and postInterrupt().

pendingInterrupt()

bool gem5::IdeController::Channel::pendingInterrupt ( ) const

inline

Definition at line 133 of file ide_ctrl.hh.

References _pendingInterrupt.

postInterrupt()

void gem5::IdeController::Channel::postInterrupt

(

)

Definition at line 124 of file ide_ctrl.cc.

References _pendingInterrupt, bmiRegs, ctrl, and isPrimary().

select()

void gem5::IdeController::Channel::select ( bool select_device_1 )

inline

Definition at line 169 of file ide_ctrl.hh.

References _selected, device0, device1, and selectBit.

Referenced by accessCommand(), and unserialize().

selected()

IdeDisk * gem5::IdeController::Channel::selected ( ) const

inline

Definition at line 135 of file ide_ctrl.hh.

References _selected.

Referenced by accessBMI(), accessCommand(), and accessControl().

serialize()

void gem5::IdeController::Channel::serialize	(	const std::string &	base,
		std::ostream &	os ) const

Definition at line 415 of file ide_ctrl.cc.

References gem5::RiscvISA::base, bmiRegs, gem5::paramOut(), selectBit, and gem5::ArmISA::status.

setDevice0()

void gem5::IdeController::Channel::setDevice0 ( IdeDisk * disk )

inline

Definition at line 139 of file ide_ctrl.hh.

References device0.

setDevice1()

void gem5::IdeController::Channel::setDevice1 ( IdeDisk * disk )

inline

Definition at line 146 of file ide_ctrl.hh.

References device1.

setDmaComplete()

void gem5::IdeController::Channel::setDmaComplete

(

)

Definition at line 379 of file ide_ctrl.cc.

References bmiRegs.

unserialize()

void gem5::IdeController::Channel::unserialize	(	const std::string &	base,
		CheckpointIn &	cp )

Definition at line 443 of file ide_ctrl.cc.

References gem5::RiscvISA::base, bmiRegs, gem5::paramIn(), select(), selectBit, and gem5::ArmISA::status.

Member Data Documentation

_pendingInterrupt

bool gem5::IdeController::Channel::_pendingInterrupt = false

private

Definition at line 128 of file ide_ctrl.hh.

Referenced by clearInterrupt(), pendingInterrupt(), and postInterrupt().

_selected

IdeDisk* gem5::IdeController::Channel::_selected = nullptr

private

Currently selected disk.

Definition at line 123 of file ide_ctrl.hh.

Referenced by select(), and selected().

bmiRegs

struct gem5::IdeController::Channel::BMIRegs gem5::IdeController::Channel::bmiRegs

Referenced by accessBMI(), Channel(), clearInterrupt(), postInterrupt(), serialize(), setDmaComplete(), and unserialize().

ctrl

IdeController* gem5::IdeController::Channel::ctrl

private

Definition at line 112 of file ide_ctrl.hh.

Referenced by Channel(), clearInterrupt(), controller(), and postInterrupt().

device0

IdeDisk* gem5::IdeController::Channel::device0 = nullptr

private

IDE disks connected to this controller For more details about device0 and device1 see: https://en.wikipedia.org/wiki/Parallel_ATA #Multiple_devices_on_a_cable.

Definition at line 120 of file ide_ctrl.hh.

Referenced by select(), and setDevice0().

device1

IdeDisk * gem5::IdeController::Channel::device1 = nullptr

private

Definition at line 120 of file ide_ctrl.hh.

Referenced by select(), and setDevice1().

primary

bool gem5::IdeController::Channel::primary

private

Definition at line 126 of file ide_ctrl.hh.

Referenced by Channel(), and isPrimary().

selectBit

bool gem5::IdeController::Channel::selectBit = false

private

Definition at line 125 of file ide_ctrl.hh.

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

---

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

• dev/storage/ide_ctrl.hh
• dev/storage/ide_ctrl.cc