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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
struct multiboot_module_entry {
u32 start;
u32 end;
u32 string_addr;
u32 reserved;
};
typedef struct multiboot_module_entry multiboot_module_entry_t;
struct multiboot_aout_symbol_table {
u32 tabsize;
u32 strsize;
u32 addr;
u32 reserved;
};
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
struct multiboot_elf_section_header_table {
u32 num;
u32 size;
u32 addr;
u32 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 multiboot_mmap_entry {
u32 size;
u64 addr;
u64 len;
u32 type;
#if ARCH(AARCH64)
// __attribute__((packed)) causes alignment issues on aarch64
};
#else
} __attribute__((packed));
#endif
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO (1 << 12)
struct multiboot_info {
// Multiboot info version number.
u32 flags;
// Available memory from BIOS.
u32 mem_lower;
u32 mem_upper;
// "root" partition.
u32 boot_device;
// Kernel command line.
u32 cmdline;
// Boot-Module list.
u32 mods_count;
u32 mods_addr;
union {
multiboot_aout_symbol_table_t aout_sym;
multiboot_elf_section_header_table_t elf_sec;
} u;
// Memory Mapping buffer.
u32 mmap_length;
u32 mmap_addr;
// Drive Info buffer.
u32 drives_length;
u32 drives_addr;
// ROM configuration table.
u32 config_table;
// Boot Loader Name.
u32 boot_loader_name;
// APM table.
u32 apm_table;
// Video.
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;
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
u8 framebuffer_type;
union {
struct
{
u32 framebuffer_palette_addr;
u16 framebuffer_palette_num_colors;
};
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;
};
};
};
typedef struct multiboot_info multiboot_info_t;
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