include/multiboot.h

#ifndef __KERNEL_MULTIBOOT_H

#define __KERNEL_MULTIBOOT_H

/** The magic number for the Multiboot header. */

#define MULTIBOOT_HEADER_MAGIC 0x1BADB002

/** The flags for the Multiboot header. */

#define MULTIBOOT_HEADER_FLAGS 0x00000003

/** Marks an ELF-compatible executable. */

#define MULTIBOOT_HEADER_ELF_FLAGS 0x00010003

/** Size of the multiboot header structure. */

#define MULTIBOOT_HEADER_SIZE 52

/** The magic number passed by a Multiboot-compliant boot loader.  */

#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002

/* Do not include in assembler source. */

#ifndef __ASSEMBLER__

#include

/**The symbol table for a.out.*/

typedef struct AoutSymbolTable

{

uint32_t tabSize;

uint32_t strSize;

uint32_t address;

uint32_t reserved;

} AoutSymbolTable;

/**The section header table for ELF.*/

typedef struct ElfSectionHeaderTable

{

uint32_t num;

uint32_t size;

uint32_t address;

uint32_t shndx;

} ElfSectionHeaderTable;

/**The Multiboot information.*/

typedef struct MultibootInfo

{

uint32_t flags;

uint32_t memLower;

uint32_t memUpper;

uint32_t bootDevice;

uint32_t cmdline;

uint32_t modsCount;

uint32_t modsAddress;

union

{

AoutSymbolTable aout;

ElfSectionHeaderTable elf;

};

uint32_t mmapLength;

uint32_t mmapAddress;

} MultibootInfo;

/**The module class.*/

typedef struct MultibootModule

{

uint32_t modStart;

uint32_t modEnd;

uint32_t string;

uint32_t reserved;

} MultibootModule;

/**The memory map. Be careful that the offset 0 is base_addr_low but no size.*/

typedef struct MultibootMemoryMap

{

uint32_t size;

uint32_t baseAddressLow;

uint32_t baseAddressHigh;

uint32_t lengthLow;

uint32_t lengthHigh;

uint32_t type;

} MultibootMemoryMap;

#endif /* !__ASSEMBLER__ */

#endif