multiboot_info Struct Reference

Multiboot Information Structure according to Specification. More...

Collaboration diagram for multiboot_info:

Classes
struct	Array
	Helper Structure. More...

Public Types
enum	Flag : uint32_t {   Memory = 1U << 0 ,   BootDev = 1U << 1 ,   CmdLine = 1U << 2 ,   Modules = 1U << 3 ,   SymbolTable = 1U << 4 ,   SectionHeader = 1U << 5 ,   MemoryMap = 1U << 6 ,   DriveInfo = 1U << 7 ,   ConfigTable = 1U << 8 ,   BootLoaderName = 1U << 9 ,   ApmTable = 1U << 10 ,   VbeInfo = 1U << 11 ,   FramebufferInfo = 1U << 12 }

Public Member Functions
bool	has (enum Flag flag) const
	Check if setting is available.

Public Attributes
enum multiboot_info::Flag	flags
struct {
uint32_t	lower
	Amount of memory below 1 MiB in kilobytes.
uint32_t	upper
	Amount of memory above 1 MiB in kilobytes.
}	mem
	Available memory retrieved from BIOS.
uint32_t	boot_device
	"root" partition
uint32_t	cmdline
	Kernel command line.
Array	mods
	List of boot modules.
union {
struct {
uint32_t	tabsize
uint32_t	strsize
uint32_t	addr
uint32_t	reserved
}	aout_symbol_table
	Symbol table for kernel in a.out format.
struct {
uint32_t	num
	Number of entries.
uint32_t	size
	Size per entry.
uint32_t	addr
	Start of the header table.
uint32_t	shndx
	String table index.
}	elf_section_header_table
	Section header table for kernel in ELF.
};
struct Array	mmap
	Memory Map.
struct Array	drives
	Drive Information.
uint32_t	config_table
	ROM configuration table.
uint32_t	boot_loader_name
	Boot Loader Name.
uint32_t	apm_table
	APM table.
struct Multiboot::VBE	vbe
	VBE Information.
struct Multiboot::Framebuffer	framebuffer
	Framebuffer information.

Detailed Description

Multiboot Information Structure according to Specification.

See also

[Multiboot Specification]{multiboot}

---

Class Documentation

multiboot_info::Array

struct multiboot_info::Array

Helper Structure.

Class Members
uint32_t	size	Length.
uint32_t	addr	Begin (physical address)

Member Enumeration Documentation

Flag

enum multiboot_info::Flag : uint32_t

Enumerator
Memory	is there basic lower/upper memory information?
BootDev	is there a boot device set?
CmdLine	is the command-line defined?
Modules	are there modules to do something with?
SymbolTable	is there an a.out symbol table loaded?
SectionHeader	is there an ELF section header table?
MemoryMap	is there a full memory map?
DriveInfo	Is there drive info?
ConfigTable	Is there a config table?
BootLoaderName	Is there a boot loader name?
ApmTable	Is there a APM table?
VbeInfo	Vesa bios extension.
FramebufferInfo	Framebuffer.

Member Function Documentation

has()

bool multiboot_info::has ( enum Flag  flag ) const

inline

Check if setting is available.

Parameters

flag	Flag to check

Returns

true if available

Member Data Documentation

flags

enum multiboot_info::Flag multiboot_info::flags

[struct]

struct { ... } multiboot_info::mem

Available memory retrieved from BIOS.

boot_device

uint32_t multiboot_info::boot_device

"root" partition

cmdline

uint32_t multiboot_info::cmdline

Kernel command line.

mods

Array multiboot_info::mods

List of boot modules.

[union]

union { ... } multiboot_info

mmap

struct Array multiboot_info::mmap

Memory Map.

drives

struct Array multiboot_info::drives

Drive Information.

config_table

uint32_t multiboot_info::config_table

ROM configuration table.

boot_loader_name

uint32_t multiboot_info::boot_loader_name

Boot Loader Name.

apm_table

uint32_t multiboot_info::apm_table

APM table.

vbe

struct Multiboot::VBE multiboot_info::vbe

VBE Information.

framebuffer

struct Multiboot::Framebuffer multiboot_info::framebuffer

Framebuffer information.

---

The documentation for this struct was generated from the following file:

• boot/multiboot/data.cc