1 files changed, 97 insertions, 0 deletions
diff --git a/Kernel/Multiboot.h b/Kernel/Multiboot.h
new file mode 100644
index 0000000000..6f586bc395
--- /dev/null
+++ b/Kernel/Multiboot.h
@@ -0,0 +1,97 @@
+#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;
+
+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;