mirror of
https://github.com/SerenityOS/serenity
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![Filiph Sandström](/assets/img/avatar_default.png)
FIXME: There's still a lot to do like for example, port `quickmap_page`. This does however get us further into the boot process than before.
131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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struct multiboot_module_entry {
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u32 start;
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u32 end;
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u32 string_addr;
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u32 reserved;
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};
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typedef struct multiboot_module_entry multiboot_module_entry_t;
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struct multiboot_aout_symbol_table {
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u32 tabsize;
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u32 strsize;
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u32 addr;
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u32 reserved;
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};
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typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
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struct multiboot_elf_section_header_table {
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u32 num;
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u32 size;
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u32 addr;
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u32 shndx;
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};
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typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
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#define MULTIBOOT_MEMORY_AVAILABLE 1
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#define MULTIBOOT_MEMORY_RESERVED 2
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#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
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#define MULTIBOOT_MEMORY_NVS 4
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#define MULTIBOOT_MEMORY_BADRAM 5
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struct multiboot_mmap_entry {
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u32 size;
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u64 addr;
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u64 len;
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u32 type;
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#if ARCH(AARCH64)
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// __attribute__((packed)) causes alignment issues on aarch64
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};
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#else
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} __attribute__((packed));
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#endif
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typedef struct multiboot_mmap_entry multiboot_memory_map_t;
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#define MULTIBOOT_INFO_FRAMEBUFFER_INFO (1 << 12)
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struct multiboot_info {
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// Multiboot info version number.
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u32 flags;
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// Available memory from BIOS.
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u32 mem_lower;
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u32 mem_upper;
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// "root" partition.
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u32 boot_device;
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// Kernel command line.
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u32 cmdline;
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// Boot-Module list.
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u32 mods_count;
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u32 mods_addr;
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union {
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multiboot_aout_symbol_table_t aout_sym;
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multiboot_elf_section_header_table_t elf_sec;
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} u;
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// Memory Mapping buffer.
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u32 mmap_length;
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u32 mmap_addr;
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// Drive Info buffer.
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u32 drives_length;
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u32 drives_addr;
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// ROM configuration table.
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u32 config_table;
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// Boot Loader Name.
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u32 boot_loader_name;
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// APM table.
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u32 apm_table;
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// Video.
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u32 vbe_control_info;
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u32 vbe_mode_info;
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u16 vbe_mode;
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u16 vbe_interface_seg;
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u16 vbe_interface_off;
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u16 vbe_interface_len;
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u64 framebuffer_addr;
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u32 framebuffer_pitch;
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u32 framebuffer_width;
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u32 framebuffer_height;
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u8 framebuffer_bpp;
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#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
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#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
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#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
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u8 framebuffer_type;
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union {
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struct
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{
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u32 framebuffer_palette_addr;
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u16 framebuffer_palette_num_colors;
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};
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struct
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{
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u8 framebuffer_red_field_position;
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u8 framebuffer_red_mask_size;
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u8 framebuffer_green_field_position;
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u8 framebuffer_green_mask_size;
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u8 framebuffer_blue_field_position;
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u8 framebuffer_blue_mask_size;
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};
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};
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};
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typedef struct multiboot_info multiboot_info_t;
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