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// MIT License, Copyright (c) 2021 Marvin Borner
#ifndef MULTIBOOT_H
#define MULTIBOOT_H
#define MULTIBOOT_MAGIC 0x2badb002
#define MULTIBOOT_INFO_MEMORY 0x00000001
#define MULTIBOOT_INFO_BOOTDEV 0x00000002
#define MULTIBOOT_INFO_CMDLINE 0x00000004
#define MULTIBOOT_INFO_MODS 0x00000008
#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
#define MULTIBOOT_INFO_ELF_SHDR 0x00000020
#define MULTIBOOT_INFO_MEM_MAP 0x00000040
#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
#define MULTIBOOT_INFO_APM_TABLE 0x00000400
#define MULTIBOOT_INFO_VBE_INFO 0x00000800
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
#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
#include <def.h>
struct multiboot_aout_symbol_table {
u32 tabsize;
u32 strsize;
u32 addr;
u32 reserved;
};
struct multiboot_elf_section_header_table {
u32 num;
u32 size;
u32 addr;
u32 shndx;
};
struct multiboot_info {
u32 flags;
u32 mem_lower;
u32 mem_upper;
u32 boot_device;
u32 cmdline;
u32 mods_count;
u32 mods_addr;
union {
struct multiboot_aout_symbol_table aout_sym;
struct multiboot_elf_section_header_table elf_sec;
} u;
u32 mmap_length;
u32 mmap_addr;
u32 drives_length;
u32 drives_addr;
u32 config_table;
u32 boot_loader_name;
u32 apm_table;
u32 vbe_control_info;
u32 vbe_mode_info;
u16 vbe_mode;
u16 vbe_interface_seg;
u16 vbe_interface_off;
u16 vbe_interface_len;
u64 framebuffer_addr;
u32 framebuffer_pitch;
u32 framebuffer_width;
u32 framebuffer_height;
u8 framebuffer_bpp;
u8 framebuffer_type;
union {
struct {
u32 framebuffer_palette_addr;
u16 framebuffer_palette_num_colors;
} palette;
struct {
u8 framebuffer_red_field_position;
u8 framebuffer_red_mask_size;
u8 framebuffer_green_field_position;
u8 framebuffer_green_mask_size;
u8 framebuffer_blue_field_position;
u8 framebuffer_blue_mask_size;
} colors;
} framebuffer_colors;
};
struct multiboot_mmap_entry {
u32 struct_size;
u32 addr;
u32 addr_high;
u32 len;
u32 len_high;
u32 type;
} PACKED;
struct multiboot_mod_list {
u32 mod_start;
u32 mod_end;
u32 cmdline;
u32 pad;
};
void multiboot_mmap(void);
u32 multiboot_vbe(void);
void multiboot_init(u32 magic, u32 addr);
#endif
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