146 lines
3.3 KiB
C
146 lines
3.3 KiB
C
|
|
#ifndef __HOS_MULTIBOOT_H__
|
|
#define __HOS_MULTIBOOT_H__ __HOS_MULTIBOOT_H__
|
|
|
|
#include "hos_defines.h"
|
|
|
|
/* The magic number for the Multiboot header. */
|
|
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
|
|
|
|
#define MB_HEADER_ALIGN_MODULES 0x01
|
|
#define MB_HEADER_MEM_INFO 0x02
|
|
#define MB_HEADER_VIDEO_INFO 0x04
|
|
#define MB_HEADER_KLUDGE_OFFSETS 0x10000
|
|
|
|
/* The magic number passed by a Multiboot-compliant boot loader. */
|
|
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
|
|
|
|
#define MB_BOOTLOADER_MEM_INFO 0x01
|
|
#define MB_BOOTLOADER_BOOT_DEVICE 0x02
|
|
#define MB_BOOTLOADER_COMMAND_LINE 0x04
|
|
#define MB_BOOTLOADER_MODS 0x08
|
|
#define MB_BOOTLOADER_AOUT 0x10
|
|
#define MB_BOOTLOADER_ELF 0x20
|
|
#define MB_BOOTLOADER_MMAP 0x40
|
|
#define MB_BOOTLOADER_DRIVES 0x80
|
|
#define MB_BOOTLOADER_CONFIG 0x0100
|
|
#define MB_BOOTLOADER_APM 0x0200
|
|
#define MB_BOOTLOADER_GRAPHICS 0x0400
|
|
|
|
#define MB_DRIVE_MODE_CHS 0
|
|
#define MB_DRIVE_MODE_LBA 1
|
|
|
|
/* The Multiboot header. */
|
|
typedef struct
|
|
{
|
|
unsigned int magic;
|
|
unsigned int flags;
|
|
unsigned int checksum;
|
|
unsigned int header_addr;
|
|
unsigned int load_addr;
|
|
unsigned int load_end_addr;
|
|
unsigned int bss_end_addr;
|
|
unsigned int entry_addr;
|
|
} mb_header_t;
|
|
|
|
/* The symbol table for a.out. */
|
|
typedef struct
|
|
{
|
|
unsigned int tabsize;
|
|
unsigned int strsize;
|
|
unsigned int addr;
|
|
unsigned int reserved;
|
|
} mb_aout_symbol_table_t;
|
|
|
|
/* The section header table for ELF. */
|
|
typedef struct
|
|
{
|
|
unsigned int num;
|
|
unsigned int size;
|
|
unsigned int addr;
|
|
unsigned int shndx;
|
|
} mb_elf_section_header_table_t;
|
|
|
|
/* The Multiboot information. */
|
|
typedef struct
|
|
{
|
|
unsigned int flags;
|
|
unsigned int mem_lower; // present if flags[0] is set
|
|
unsigned int mem_upper;
|
|
unsigned int boot_device; // 1
|
|
unsigned int cmdline; // 2
|
|
unsigned int mods_count; // 3
|
|
unsigned int mods_addr;
|
|
union
|
|
{
|
|
mb_aout_symbol_table_t aout_sym; // 4
|
|
mb_elf_section_header_table_t elf_sec; // 5
|
|
};
|
|
unsigned int mmap_length; // 6
|
|
unsigned int mmap_addr;
|
|
unsigned int drives_length; // 7
|
|
unsigned int drives_addr;
|
|
unsigned int config_table; // 8
|
|
unsigned int bootloader_name; // 9
|
|
unsigned int apm_table; // 10
|
|
|
|
unsigned int vbe_control_info; // 11
|
|
unsigned int vbe_mode_info;
|
|
unsigned short vbe_mode;
|
|
unsigned short vbe_interface_seg;
|
|
unsigned short vbe_interface_off;
|
|
unsigned short vbe_interface_len;
|
|
} mb_info_t;
|
|
|
|
/* The module structure. */
|
|
typedef struct
|
|
{
|
|
unsigned int mod_start;
|
|
unsigned int mod_end;
|
|
unsigned int string;
|
|
unsigned int reserved;
|
|
} mb_module_t;
|
|
|
|
/* The memory map. Be careful that the offset 0 is base_addr_low, not size. */
|
|
typedef struct
|
|
{
|
|
unsigned int size; //offset -4
|
|
// unsigned int base_addr_low; //offset 0
|
|
// unsigned int base_addr_high;
|
|
// unsigned int length_low;
|
|
// unsigned int length_high;
|
|
u64_t base;
|
|
u64_t length;
|
|
unsigned int type;
|
|
} mb_mmap_t;
|
|
|
|
/* The drive structure */
|
|
typedef struct
|
|
{
|
|
unsigned int size;
|
|
unsigned char drive_number;
|
|
unsigned char drive_mode;
|
|
unsigned char drive_cylinders;
|
|
unsigned char drive_heads;
|
|
unsigned char drive_sectors;
|
|
unsigned short drive_ports[1];
|
|
} mb_drive_t;
|
|
|
|
/* APM table structure */
|
|
typedef struct
|
|
{
|
|
unsigned short version;
|
|
unsigned short cseg;
|
|
unsigned int offset;
|
|
unsigned short cseg_16;
|
|
unsigned short dseg;
|
|
unsigned short flags;
|
|
unsigned short cseg_len;
|
|
unsigned short cseg_16_len;
|
|
unsigned short dseg_len;
|
|
} mb_apm_t;
|
|
|
|
|
|
#endif
|
|
|