Linux kernel images. More...

#include <stdint.h>
#include <bits/lkrn.h>

Data Structures
struct	lkrn_header
	Kernel image header. More...

struct	lkrn_context
	Kernel image context. More...

struct	zimg_header
	Compressed kernel image header. More...

struct	zimg_context
	Compressed kernel image context. More...

Macros
#define	LKRN_MAGIC(a, b, c, d) ( ( (a) << 0 ) \| ( (b) << 8 ) \| ( (c) << 16 ) \| ( (d) << 24 ) )
	Kernel magic value. More...

#define	LKRN_MAGIC_AARCH64 LKRN_MAGIC ( 'A', 'R', 'M', 0x64 )
	Kernel magic value for AArch64. More...

#define	LKRN_MAGIC_RISCV LKRN_MAGIC ( 'R', 'S', 'C', 0x05 )
	Kernel magic value for RISC-V. More...

#define	ZIMG_MAGIC LKRN_MAGIC ( 'z', 'i', 'm', 'g' )
	Compressed kernel image magic value. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)

struct lkrn_header	__attribute__ ((packed))

void	lkrn_jump (physaddr_t entry, physaddr_t fdt)
	Jump to kernel entry point. More...

Variables
uint32_t	code [2]
	Executable code. More...

uint64_t	text_offset
	Image load offset. More...

uint64_t	image_size
	Image size. More...

uint64_t	flags
	Flags. More...

uint8_t	reserved_a [24]
	Reserved. More...

uint32_t	magic
	Magic. More...

uint8_t	reserved_b [4]
	Reserved. More...

struct lkrn_context	__attribute__

uint32_t	offset
	Offset to payload. More...

uint32_t	len
	Length of payload. More...

uint32_t	type
	Compression type. More...

Detailed Description

Linux kernel images.

Definition in file lkrn.h.

Macro Definition Documentation

◆ LKRN_MAGIC

#define LKRN_MAGIC	(	a,
		b,
		c,
		d
	)	( ( (a) << 0 ) \| ( (b) << 8 ) \| ( (c) << 16 ) \| ( (d) << 24 ) )

Kernel magic value.

Definition at line 33 of file lkrn.h.

◆ LKRN_MAGIC_AARCH64

#define LKRN_MAGIC_AARCH64 LKRN_MAGIC ( 'A', 'R', 'M', 0x64 )

Kernel magic value for AArch64.

Definition at line 37 of file lkrn.h.

◆ LKRN_MAGIC_RISCV

#define LKRN_MAGIC_RISCV LKRN_MAGIC ( 'R', 'S', 'C', 0x05 )

Kernel magic value for RISC-V.

Definition at line 40 of file lkrn.h.

◆ ZIMG_MAGIC

#define ZIMG_MAGIC LKRN_MAGIC ( 'z', 'i', 'm', 'g' )

Compressed kernel image magic value.

Definition at line 78 of file lkrn.h.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

◆ attribute()

struct lkrn_header __attribute__ ( (packed) )

◆ lkrn_jump()

void lkrn_jump	(	physaddr_t	entry,
		physaddr_t	fdt
	)

Jump to kernel entry point.

Parameters

entry	Kernel entry point
fdt	Device tree

Referenced by lkrn_exec().

Variable Documentation

◆ code

uint32_t code[2]

Executable code.

Definition at line 12 of file lkrn.h.

◆ text_offset

uint64_t text_offset

Image load offset.

Definition at line 14 of file lkrn.h.

◆ image_size

uint64_t image_size

Image size.

Definition at line 16 of file lkrn.h.

◆ flags

uint64_t flags

Flags.

Definition at line 18 of file lkrn.h.

◆ reserved_a

uint8_t reserved_a[4]

Reserved.

Definition at line 20 of file lkrn.h.

◆ magic

uint32_t magic

Magic.

Definition at line 22 of file lkrn.h.

◆ reserved_b

uint8_t reserved_b[8]

Reserved.

Definition at line 24 of file lkrn.h.

◆ attribute

struct zimg_context __attribute__

◆ offset

uint32_t offset

Offset to payload.

Definition at line 16 of file lkrn.h.

◆ len

uint32_t len

Length of payload.