gem5::loader::DtbFile Class Reference

#include <dtb_file.hh>

Inheritance diagram for gem5::loader::DtbFile:

Public Member Functions
	DtbFile (const std::string &name)
	~DtbFile ()
bool	addBootData (const char *_cmdline, size_t cmdline_len, off_t initrd_addr, size_t initrd_len)
	Adds the passed in Command Line options and initrd for the kernel to the proper location in the device tree.
bool	addBootCmdLine (const char *_args, size_t len)
	Adds the passed in Command Line options for the kernel to the proper location in the device tree.
Addr	findReleaseAddr ()
	Parse the DTB file enough to find the provided release address and return it.
MemoryImage	buildImage () const override

Protected Attributes
bool	fileDataMmapped
	Bool marking if this dtb file has replaced the original read in DTB file with a new modified buffer.
uint8_t *	fileData = nullptr
size_t	length = 0
Protected Attributes inherited from gem5::loader::ImageFile
ImageFileDataPtr	imageData

Additional Inherited Members
Protected Member Functions inherited from gem5::loader::ImageFile
	ImageFile (ImageFileDataPtr data)
virtual	~ImageFile ()

Detailed Description

Definition at line 46 of file dtb_file.hh.

Constructor & Destructor Documentation

DtbFile()

gem5::loader::DtbFile::DtbFile

(

const std::string &

name

)

Definition at line 46 of file dtb_file.cc.

References fileData, fileDataMmapped, gem5::loader::ImageFile::imageData, gem5::loader::ImageFile::ImageFile(), length, and panic_if.

~DtbFile()

gem5::loader::DtbFile::~DtbFile

(

)

Definition at line 56 of file dtb_file.cc.

References fileData, and fileDataMmapped.

Member Function Documentation

addBootCmdLine()

bool gem5::loader::DtbFile::addBootCmdLine ( const char * _args, size_t len )

inline

Adds the passed in Command Line options for the kernel to the proper location in the device tree.

Parameters

_args	command line to append
len	length of the command line string

Returns

returns true on success, false otherwise

Definition at line 78 of file dtb_file.hh.

References addBootData(), and gem5::ArmISA::len.

addBootData()

bool gem5::loader::DtbFile::addBootData	(	const char *	_cmdline,
		size_t	cmdline_len,
		off_t	initrd_addr,
		size_t	initrd_len )

Adds the passed in Command Line options and initrd for the kernel to the proper location in the device tree.

Parameters

_cmdline	command line to append
cmdline_len	length of the command line string
initrd_addr	starting physical address of initrd
initrd_len	length of initrd data in memory

Returns

returns true on success, false otherwise

Definition at line 65 of file dtb_file.cc.

References fileData, fileDataMmapped, length, gem5::ArmISA::offset, and warn.

Referenced by addBootCmdLine().

buildImage()

MemoryImage gem5::loader::DtbFile::buildImage ( ) const

overridevirtual

Implements gem5::loader::ImageFile.

Definition at line 181 of file dtb_file.cc.

References fileData, fileDataMmapped, gem5::loader::ImageFile::imageData, and length.

findReleaseAddr()

Addr gem5::loader::DtbFile::findReleaseAddr

(

)

Parse the DTB file enough to find the provided release address and return it.

Returns

release address for SMP boot

Definition at line 160 of file dtb_file.cc.

References gem5::betoh(), gem5::ArmISA::fd, fileData, gem5::ArmISA::len, and gem5::ArmISA::offset.

Member Data Documentation

fileData

uint8_t* gem5::loader::DtbFile::fileData = nullptr

protected

Definition at line 53 of file dtb_file.hh.

Referenced by addBootData(), buildImage(), DtbFile(), findReleaseAddr(), and ~DtbFile().

fileDataMmapped

bool gem5::loader::DtbFile::fileDataMmapped

protected

Bool marking if this dtb file has replaced the original read in DTB file with a new modified buffer.

Definition at line 52 of file dtb_file.hh.

Referenced by addBootData(), buildImage(), DtbFile(), and ~DtbFile().

length

size_t gem5::loader::DtbFile::length = 0

protected

Definition at line 54 of file dtb_file.hh.

Referenced by addBootData(), buildImage(), and DtbFile().

---

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

• base/loader/dtb_file.hh
• base/loader/dtb_file.cc