Files
Custom-Operating-System/boot/libboot/abi/multiboot.h

110 lines
3.1 KiB
C

#ifndef _BOOT_LIBBOOT_ABI_MULTIBOOT_H
#define _BOOT_LIBBOOT_ABI_MULTIBOOT_H
#include <libboot/types.h>
#define MULTIBOOT_INFO_MEMORY (0x1)
#define MULTIBOOT_INFO_BOOTDEV (0x2)
#define MULTIBOOT_INFO_CMDLINE (0x4)
#define MULTIBOOT_INFO_MODS (0x8)
#define MULTIBOOT_INFO_AOUT_SYMS (0x10)
#define MULTIBOOT_INFO_ELF_SHDR (0x20)
#define MULTIBOOT_INFO_MEM_MAP (0x40)
#define MULTIBOOT_INFO_DRIVE_INFO (0x80)
#define MULTIBOOT_INFO_CONFIG_TABLE (0x100)
#define MULTIBOOT_INFO_BOOT_LOADER_NAME (0x200)
#define MULTIBOOT_INFO_APM_TABLE (0x400)
#define MULTIBOOT_INFO_VBE_INFO (0x800)
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO (0x1000)
struct multiboot_module_entry {
uint32_t start;
uint32_t end;
uint32_t string_addr;
uint32_t reserved;
};
typedef struct multiboot_module_entry multiboot_module_entry_t;
struct multiboot_aout_symbol_table {
uint32_t tabsize;
uint32_t strsize;
uint32_t addr;
uint32_t reserved;
};
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
struct multiboot_elf_section_header_table {
uint32_t num;
uint32_t size;
uint32_t addr;
uint32_t shndx;
};
typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
#define MULTIBOOT_MEMORY_NVS 4
#define MULTIBOOT_MEMORY_BADRAM 5
struct PACKED multiboot_mmap_entry {
uint32_t size;
uint64_t addr;
uint64_t len;
uint32_t type;
};
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
struct multiboot_info {
uint32_t flags;
uint32_t mem_lower;
uint32_t mem_upper;
uint32_t boot_device;
uint32_t cmdline;
uint32_t mods_count;
uint32_t mods_addr;
union {
multiboot_aout_symbol_table_t aout_sym;
multiboot_elf_section_header_table_t elf_sec;
} syms;
uint32_t mmap_length;
uint32_t mmap_addr;
uint32_t drives_length;
uint32_t drives_addr;
uint32_t config_table;
uint32_t boot_loader_name;
uint32_t apm_table;
uint32_t vbe_control_info;
uint32_t vbe_mode_info;
uint16_t vbe_mode;
uint16_t vbe_interface_seg;
uint16_t vbe_interface_off;
uint16_t vbe_interface_len;
uint64_t framebuffer_addr;
uint32_t framebuffer_pitch;
uint32_t framebuffer_width;
uint32_t framebuffer_height;
uint8_t framebuffer_bpp;
uint8_t framebuffer_type;
union {
struct
{
uint32_t framebuffer_palette_addr;
uint16_t framebuffer_palette_num_colors;
};
struct
{
uint8_t framebuffer_red_field_position;
uint8_t framebuffer_red_mask_size;
uint8_t framebuffer_green_field_position;
uint8_t framebuffer_green_mask_size;
uint8_t framebuffer_blue_field_position;
uint8_t framebuffer_blue_mask_size;
};
};
};
typedef struct multiboot_info multiboot_info_t;
#endif // _BOOT_LIBBOOT_ABI_MULTIBOOT_H