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cos2000v2/include/multiboot2.h

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/*******************************************************************************/
/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
/* */
#ifndef MULTIBOOT
# define MULTIBOOT
/* How many bytes from the start of the file we search for the header. */
# define MULTIBOOT_SEARCH 32768
# define MULTIBOOT_HEADER_ALIGN 8
/* The magic field should contain this. */
# define MULTIBOOT2_HEADER_MAGIC 0xe85250d6
/* This should be in %eax. */
# define MULTIBOOT2_BOOTLOADER_MAGIC 0x36d76289
/* Alignment of multiboot modules. */
# define MULTIBOOT_MOD_ALIGN 0x00001000
/* Alignment of the multiboot info structure. */
# define MULTIBOOT_INFO_ALIGN 0x00000008
/* Flags set in the 'flags' member of the multiboot header. */
# define MULTIBOOT_TAG_ALIGN 8
# define MULTIBOOT_TAG_TYPE_END 0
# define MULTIBOOT_TAG_TYPE_CMDLINE 1
# define MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME 2
# define MULTIBOOT_TAG_TYPE_MODULE 3
# define MULTIBOOT_TAG_TYPE_BASIC_MEMINFO 4
# define MULTIBOOT_TAG_TYPE_BOOTDEV 5
# define MULTIBOOT_TAG_TYPE_MMAP 6
# define MULTIBOOT_TAG_TYPE_VBE 7
# define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8
# define MULTIBOOT_TAG_TYPE_ELF_SECTIONS 9
# define MULTIBOOT_TAG_TYPE_APM 10
# define MULTIBOOT_TAG_TYPE_EFI32 11
# define MULTIBOOT_TAG_TYPE_EFI64 12
# define MULTIBOOT_TAG_TYPE_SMBIOS 13
# define MULTIBOOT_TAG_TYPE_ACPI_OLD 14
# define MULTIBOOT_TAG_TYPE_ACPI_NEW 15
# define MULTIBOOT_TAG_TYPE_NETWORK 16
# define MULTIBOOT_TAG_TYPE_EFI_MMAP 17
# define MULTIBOOT_TAG_TYPE_EFI_BS 18
# define MULTIBOOT_TAG_TYPE_EFI32_IH 19
# define MULTIBOOT_TAG_TYPE_EFI64_IH 20
# define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR 21
# define MULTIBOOT_HEADER_TAG_END 0
# define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1
# define MULTIBOOT_HEADER_TAG_ADDRESS 2
# define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3
# define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
# define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
# define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6
# define MULTIBOOT_HEADER_TAG_EFI_BS 7
# define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI32 8
# define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64 9
# define MULTIBOOT_HEADER_TAG_RELOCATABLE 10
# define MULTIBOOT_ARCHITECTURE_I386 0
# define MULTIBOOT_ARCHITECTURE_MIPS32 4
# define MULTIBOOT_HEADER_TAG_OPTIONAL 1
# define MULTIBOOT_LOAD_PREFERENCE_NONE 0
# define MULTIBOOT_LOAD_PREFERENCE_LOW 1
# define MULTIBOOT_LOAD_PREFERENCE_HIGH 2
# define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1
# define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
#include "types.h"
struct multiboot_header
{
/* Must be MULTIBOOT_MAGIC - see above. */
u32 magic;
/* ISA */
u32 architecture;
/* Total header length. */
u32 header_length;
/* The above fields plus this one must equal 0 mod 2^32. */
u32 checksum;
};
struct multiboot_header_tag
{
u16 type;
u16 flags;
u32 size;
};
struct multiboot_header_tag_information_request
{
u16 type;
u16 flags;
u32 size;
u32 requests[0];
};
struct multiboot_header_tag_address
{
u16 type;
u16 flags;
u32 size;
u32 header_addr;
u32 load_addr;
u32 load_end_addr;
u32 bss_end_addr;
};
struct multiboot_header_tag_entry_address
{
u16 type;
u16 flags;
u32 size;
u32 entry_addr;
};
struct multiboot_header_tag_console_flags
{
u16 type;
u16 flags;
u32 size;
u32 console_flags;
};
struct multiboot_header_tag_framebuffer
{
u16 type;
u16 flags;
u32 size;
u32 width;
u32 height;
u32 depth;
};
struct multiboot_header_tag_module_align
{
u16 type;
u16 flags;
u32 size;
};
struct multiboot_header_tag_relocatable
{
u16 type;
u16 flags;
u32 size;
u32 min_addr;
u32 max_addr;
u32 align;
u32 preference;
};
struct multiboot_color
{
u8 red;
u8 green;
u8 blue;
};
struct multiboot_mmap_entry
{
u64 addr;
u64 len;
# 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
u32 type;
u32 zero;
};
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
struct multiboot_tag
{
u32 type;
u32 size;
};
struct multiboot_tag_string
{
u32 type;
u32 size;
u8 string[0];
};
struct multiboot_tag_module
{
u32 type;
u32 size;
u32 mod_start;
u32 mod_end;
u8 cmdline[0];
};
struct multiboot_tag_basic_meminfo
{
u32 type;
u32 size;
u32 mem_lower;
u32 mem_upper;
};
struct multiboot_tag_bootdev
{
u32 type;
u32 size;
u32 biosdev;
u32 slice;
u32 part;
};
struct multiboot_tag_mmap
{
u32 type;
u32 size;
u32 entry_size;
u32 entry_version;
struct multiboot_mmap_entry entries[0];
};
struct multiboot_vbe_info_block
{
u8 external_specification[512];
};
struct multiboot_vbe_mode_info_block
{
u8 external_specification[256];
};
struct multiboot_tag_vbe
{
u32 type;
u32 size;
u16 vbe_mode;
u16 vbe_interface_seg;
u16 vbe_interface_off;
u16 vbe_interface_len;
struct multiboot_vbe_info_block vbe_control_info;
struct multiboot_vbe_mode_info_block vbe_mode_info;
};
struct multiboot_tag_framebuffer_common
{
u32 type;
u32 size;
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;
u16 reserved;
};
struct multiboot_tag_framebuffer
{
struct multiboot_tag_framebuffer_common common;
union
{
struct
{
u16 framebuffer_palette_num_colors;
struct multiboot_color framebuffer_palette[0];
};
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;
};
};
};
struct multiboot_tag_elf_sections
{
u32 type;
u32 size;
u32 num;
u32 entsize;
u32 shndx;
u8 sections[0];
};
struct multiboot_tag_apm
{
u32 type;
u32 size;
u16 version;
u16 cseg;
u32 offset;
u16 cseg_16;
u16 dseg;
u16 flags;
u16 cseg_len;
u16 cseg_16_len;
u16 dseg_len;
};
struct multiboot_tag_efi32
{
u32 type;
u32 size;
u32 pointer;
};
struct multiboot_tag_efi64
{
u32 type;
u32 size;
u64 pointer;
};
struct multiboot_tag_smbios
{
u32 type;
u32 size;
u8 major;
u8 minor;
u8 reserved[6];
u8 tables[0];
};
struct multiboot_tag_old_acpi
{
u32 type;
u32 size;
u8 rsdp[0];
};
struct multiboot_tag_new_acpi
{
u32 type;
u32 size;
u8 rsdp[0];
};
struct multiboot_tag_network
{
u32 type;
u32 size;
u8 dhcpack[0];
};
struct multiboot_tag_efi_mmap
{
u32 type;
u32 size;
u32 descr_size;
u32 descr_vers;
u8 efi_mmap[0];
};
struct multiboot_tag_efi32_ih
{
u32 type;
u32 size;
u32 pointer;
};
struct multiboot_tag_efi64_ih
{
u32 type;
u32 size;
u64 pointer;
};
struct multiboot_tag_load_base_addr
{
u32 type;
u32 size;
u32 load_base_addr;
};
#endif
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