blob: a74c4feb34984cfb7b1db5b6f15e1b9c34afba06 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#pragma once
#include <AK/Types.h>
struct multiboot_aout_symbol_table {
dword tabsize;
dword strsize;
dword addr;
dword reserved;
};
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
struct multiboot_elf_section_header_table {
dword num;
dword size;
dword addr;
dword 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 {
dword size;
qword addr;
qword len;
dword type;
} __attribute__((packed));
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
struct multiboot_info {
// Multiboot info version number.
dword flags;
// Available memory from BIOS.
dword mem_lower;
dword mem_upper;
// "root" partition.
dword boot_device;
// Kernel command line.
dword cmdline;
// Boot-Module list.
dword mods_count;
dword mods_addr;
union {
multiboot_aout_symbol_table_t aout_sym;
multiboot_elf_section_header_table_t elf_sec;
} u;
// Memory Mapping buffer.
dword mmap_length;
dword mmap_addr;
// Drive Info buffer.
dword drives_length;
dword drives_addr;
// ROM configuration table.
dword config_table;
// Boot Loader Name.
dword boot_loader_name;
// APM table.
dword apm_table;
// Video.
dword vbe_control_info;
dword vbe_mode_info;
word vbe_mode;
word vbe_interface_seg;
word vbe_interface_off;
word vbe_interface_len;
qword framebuffer_addr;
dword framebuffer_pitch;
dword framebuffer_width;
dword framebuffer_height;
byte framebuffer_bpp;
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
byte framebuffer_type;
union {
struct
{
dword framebuffer_palette_addr;
word framebuffer_palette_num_colors;
};
struct
{
byte framebuffer_red_field_position;
byte framebuffer_red_mask_size;
byte framebuffer_green_field_position;
byte framebuffer_green_mask_size;
byte framebuffer_blue_field_position;
byte framebuffer_blue_mask_size;
};
};
};
typedef struct multiboot_info multiboot_info_t;
extern "C" multiboot_info_t* multiboot_info_ptr;
|
