#include <semihosting.hh>

Inheritance diagram for gem5::ArmSemihosting::File:

Public Member Functions
	File (ArmSemihosting &_parent, const char name, const char mode)

	~File ()

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

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

int64_t	open () override
	Open the the file.

int64_t	close () override
	Close the file.

bool	isTTY () const override
	Check if a file corresponds to a TTY device.

int64_t	read (uint8_t *buffer, uint64_t size) override
	Read data from file.

int64_t	write (const uint8_t *buffer, uint64_t size) override
	Write data to file.

int64_t	seek (uint64_t pos) override
	Seek to an absolute position in the file.

int64_t	flen () override
	Get the length of a file in bytes.

Public Member Functions inherited from gem5::ArmSemihosting::FileBase
	FileBase (ArmSemihosting &_parent, const char name, const char _mode)

virtual	~FileBase ()

	FileBase ()=delete

	FileBase (FileBase &)=delete

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

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

const std::string &	fileName ()

Public Member Functions inherited from gem5::Serializable
	Serializable ()

virtual	~Serializable ()

virtual void	serialize (CheckpointOut &cp) const =0
	Serialize an object.

virtual void	unserialize (CheckpointIn &cp)=0
	Unserialize an object.

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)

Protected Member Functions
int64_t	openImpl (bool unserialize)

bool	needClose () const

Protected Attributes
FILE *	file

Protected Attributes inherited from gem5::ArmSemihosting::FileBase
ArmSemihosting &	parent

std::string	_name

std::string	mode

Additional Inherited Members
Static Public Member Functions inherited from gem5::ArmSemihosting::FileBase
static std::unique_ptr< FileBase >	create (ArmSemihosting &parent, const std::string &fname, const char *mode)

static std::unique_ptr< FileBase >	create (ArmSemihosting &parent, CheckpointIn &cp, const std::string &sec)

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 386 of file semihosting.hh.

Constructor & Destructor Documentation

◆ File()

gem5::ArmSemihosting::File::File	(	ArmSemihosting &	_parent,
		const char *	name,
		const char *	mode
	)

Definition at line 894 of file semihosting.cc.

◆ ~File()

gem5::ArmSemihosting::File::~File ( )

Definition at line 901 of file semihosting.cc.

Member Function Documentation

◆ close()

int64_t gem5::ArmSemihosting::File::close ( )

overridevirtual

Close the file.

Returns: <0 on error (-errno), 0 on success.

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 937 of file semihosting.cc.

References panic_if.

◆ flen()

int64_t gem5::ArmSemihosting::File::flen ( )

overridevirtual

Get the length of a file in bytes.

Returns: <0 on error (-errno), length on success

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 1001 of file semihosting.cc.

References gem5::ArmISA::len.

◆ isTTY()

bool gem5::ArmSemihosting::File::isTTY ( ) const

overridevirtual

Check if a file corresponds to a TTY device.

Returns: True if the file is a TTY, false otherwise.

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 950 of file semihosting.cc.

Referenced by needClose().

◆ needClose()

bool gem5::ArmSemihosting::File::needClose ( ) const

inlineprotected

Definition at line 405 of file semihosting.hh.

References isTTY().

◆ open()

int64_t gem5::ArmSemihosting::File::open ( )

inlineoverridevirtual

Open the the file.

Semihosting file IO interfaces

These interfaces implement common IO functionality in the Semihosting interface.

All functions return a negative value that corresponds to a UNIX errno value when they fail and >=0 on success.

Returns: <0 on error (-errno), 0 on success.

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 395 of file semihosting.hh.

References openImpl().

◆ openImpl()

int64_t gem5::ArmSemihosting::File::openImpl ( bool unserialize )

protected

Definition at line 908 of file semihosting.cc.

References gem5::Named::_name, gem5::ArmISA::mode, panic_if, and warn.

Referenced by open().

◆ read()

int64_t gem5::ArmSemihosting::File::read	(	uint8_t *	buffer,
		uint64_t	size
	)

overridevirtual

Read data from file.

Returns: <0 on error (-errno), bytes read on success (0 for EOF).

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 958 of file semihosting.cc.

References panic_if.

◆ seek()

int64_t gem5::ArmSemihosting::File::seek ( uint64_t pos )

overridevirtual

Seek to an absolute position in the file.

Parameters

pos	Byte offset from start of file.

Returns: <0 on error (-errno), 0 on success.

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 989 of file semihosting.cc.

References panic_if.

◆ serialize()

void gem5::ArmSemihosting::File::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 1023 of file semihosting.cc.

References panic_if, gem5::ArmSemihosting::FileBase::serialize(), and SERIALIZE_SCALAR.

◆ unserialize()

void gem5::ArmSemihosting::File::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 1035 of file semihosting.cc.

References gem5::Named::_name, fatal, gem5::ArmSemihosting::FileBase::unserialize(), and UNSERIALIZE_SCALAR.

◆ write()

int64_t gem5::ArmSemihosting::File::write	(	const uint8_t *	buffer,
		uint64_t	size
	)

overridevirtual

Write data to file.

Returns: <0 on error (-errno), bytes written on success.

Reimplemented from gem5::ArmSemihosting::FileBase.

Definition at line 973 of file semihosting.cc.

References panic_if.

Member Data Documentation

◆ file

FILE* gem5::ArmSemihosting::File::file

protected

Definition at line 407 of file semihosting.hh.

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

arch/arm/semihosting.hh
arch/arm/semihosting.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ File()

◆ ~File()

Member Function Documentation

◆ close()

◆ flen()

◆ isTTY()

◆ needClose()

◆ open()

◆ openImpl()

◆ read()

◆ seek()

◆ serialize()

◆ unserialize()

◆ write()

Member Data Documentation

◆ file