MappedFileBuffer is a wrapper around a region of host memory backed by a file. More...

Public Member Functions
	MappedFileBuffer (int fd, size_t length, off_t offset)

	~MappedFileBuffer ()

void *	getBuffer () const

uint64_t	getLength () const

Private Attributes
void *	_buffer

size_t	_length

Detailed Description

MappedFileBuffer is a wrapper around a region of host memory backed by a file.

The constructor attempts to map a file from host memory, and the destructor attempts to unmap it. If there is a problem with the host mapping/unmapping, then we panic.

Definition at line 183 of file vma.hh.

Constructor & Destructor Documentation

◆ MappedFileBuffer()

VMA::MappedFileBuffer::MappedFileBuffer	(	int	fd,
		size_t	length,
		off_t	offset
	)

Definition at line 119 of file vma.cc.

References _buffer, _length, ArmISA::fd, ArmISA::offset, panic, and panic_if.

◆ ~MappedFileBuffer()

VMA::MappedFileBuffer::~MappedFileBuffer ( )

Definition at line 148 of file vma.cc.

References panic_if.

Member Function Documentation

◆ getBuffer()

void* VMA::MappedFileBuffer::getBuffer ( ) const

inline

Definition at line 189 of file vma.hh.

References _buffer.

◆ getLength()

uint64_t VMA::MappedFileBuffer::getLength ( ) const

inline

Definition at line 190 of file vma.hh.

References _length.

Member Data Documentation

◆ _buffer

void* VMA::MappedFileBuffer::_buffer

private

Definition at line 193 of file vma.hh.

Referenced by getBuffer(), and MappedFileBuffer().

◆ _length

size_t VMA::MappedFileBuffer::_length

private

Definition at line 194 of file vma.hh.

Referenced by getLength(), and MappedFileBuffer().

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

sim/vma.hh
sim/vma.cc

Public Member Functions

Private Attributes