text: /*
   *  Copyright (C) 1999,2003,2007,2008,2009,2010  Free Software Foundation, Inc.
   *
   *  Permission is hereby granted, free of charge, to any person obtaining a copy
   *  of this software and associated documentation files (the "Software"), to
   *  deal in the Software without restriction, including without limitation the
   *  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   *  sell copies of the Software, and to permit persons to whom the Software is
   *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in
   *  all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL ANY
   *  DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   *  IN THE SOFTWARE.
   */
  
  #ifndef _MULTIBOOT2_HEADER_H_
  #define _MULTIBOOT2_HEADER_H_
  
  /* 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_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
  
  #ifndef __ASSEMBLER__
  
  typedef unsigned char multiboot_uint8_t;
  typedef unsigned short multiboot_uint16_t;
  typedef unsigned int multiboot_uint32_t;
  typedef unsigned long long multiboot_uint64_t;
  
  struct multiboot_header {
    /* Must be MULTIBOOT_MAGIC - see above.  */
    multiboot_uint32_t magic;
  
    /* ISA */
    multiboot_uint32_t architecture;
  
    /* Total header length.  */
    multiboot_uint32_t header_length;
  
    /* The above fields plus this one must equal 0 mod 2^32. */
    multiboot_uint32_t checksum;
  };
  
  struct multiboot_header_tag {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
  };
  
  struct multiboot_header_tag_information_request {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
    multiboot_uint32_t requests[0];
  };
  
  struct multiboot_header_tag_address {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
    multiboot_uint32_t header_addr;
    multiboot_uint32_t load_addr;
    multiboot_uint32_t load_end_addr;
    multiboot_uint32_t bss_end_addr;
  };
  
  struct multiboot_header_tag_entry_address {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
    multiboot_uint32_t entry_addr;
  };
  
  struct multiboot_header_tag_console_flags {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
    multiboot_uint32_t console_flags;
  };
  
  struct multiboot_header_tag_framebuffer {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
    multiboot_uint32_t width;
    multiboot_uint32_t height;
    multiboot_uint32_t depth;
  };
  
  struct multiboot_header_tag_module_align {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
  };
  
  struct multiboot_header_tag_relocatable {
    multiboot_uint16_t type;
    multiboot_uint16_t flags;
    multiboot_uint32_t size;
    multiboot_uint32_t min_addr;
    multiboot_uint32_t max_addr;
    multiboot_uint32_t align;
    multiboot_uint32_t preference;
  };
  
  struct multiboot_color {
    multiboot_uint8_t red;
    multiboot_uint8_t green;
    multiboot_uint8_t blue;
  };
  
  struct multiboot_mmap_entry {
    multiboot_uint64_t addr;
    multiboot_uint64_t 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
    multiboot_uint32_t type;
    multiboot_uint32_t zero;
  };
  typedef struct multiboot_mmap_entry multiboot_memory_map_t;
  
  struct multiboot_tag {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
  };
  
  struct multiboot_tag_string {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    char string[0];
  };
  
  struct multiboot_tag_module {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t mod_start;
    multiboot_uint32_t mod_end;
    char cmdline[0];
  };
  
  struct multiboot_tag_basic_meminfo {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t mem_lower;
    multiboot_uint32_t mem_upper;
  };
  
  struct multiboot_tag_bootdev {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t biosdev;
    multiboot_uint32_t slice;
    multiboot_uint32_t part;
  };
  
  struct multiboot_tag_mmap {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t entry_size;
    multiboot_uint32_t entry_version;
    struct multiboot_mmap_entry entries[0];
  };
  
  struct multiboot_vbe_info_block {
    multiboot_uint8_t external_specification[512];
  };
  
  struct multiboot_vbe_mode_info_block {
    multiboot_uint8_t external_specification[256];
  };
  
  struct multiboot_tag_vbe {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
  
    multiboot_uint16_t vbe_mode;
    multiboot_uint16_t vbe_interface_seg;
    multiboot_uint16_t vbe_interface_off;
    multiboot_uint16_t 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 {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
  
    multiboot_uint64_t framebuffer_addr;
    multiboot_uint32_t framebuffer_pitch;
    multiboot_uint32_t framebuffer_width;
    multiboot_uint32_t framebuffer_height;
    multiboot_uint8_t framebuffer_bpp;
  #define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
  #define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
  #define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
    multiboot_uint8_t framebuffer_type;
    multiboot_uint16_t reserved;
  };
  
  struct multiboot_tag_framebuffer {
    struct multiboot_tag_framebuffer_common common;
  
    union {
      struct {
        multiboot_uint16_t framebuffer_palette_num_colors;
        struct multiboot_color framebuffer_palette[0];
      };
      struct {
        multiboot_uint8_t framebuffer_red_field_position;
        multiboot_uint8_t framebuffer_red_mask_size;
        multiboot_uint8_t framebuffer_green_field_position;
        multiboot_uint8_t framebuffer_green_mask_size;
        multiboot_uint8_t framebuffer_blue_field_position;
        multiboot_uint8_t framebuffer_blue_mask_size;
      };
    };
  };
  
  struct multiboot_tag_elf_sections {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t num;
    multiboot_uint32_t entsize;
    multiboot_uint32_t shndx;
    char sections[0];
  };
  
  struct multiboot_tag_apm {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint16_t version;
    multiboot_uint16_t cseg;
    multiboot_uint32_t offset;
    multiboot_uint16_t cseg_16;
    multiboot_uint16_t dseg;
    multiboot_uint16_t flags;
    multiboot_uint16_t cseg_len;
    multiboot_uint16_t cseg_16_len;
    multiboot_uint16_t dseg_len;
  };
  
  struct multiboot_tag_efi32 {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t pointer;
  };
  
  struct multiboot_tag_efi64 {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint64_t pointer;
  };
  
  struct multiboot_tag_smbios {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint8_t major;
    multiboot_uint8_t minor;
    multiboot_uint8_t reserved[6];
    multiboot_uint8_t tables[0];
  };
  
  struct multiboot_tag_old_acpi {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint8_t rsdp[0];
  };
  
  struct multiboot_tag_new_acpi {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint8_t rsdp[0];
  };
  
  struct multiboot_tag_network {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint8_t dhcpack[0];
  };
  
  struct multiboot_tag_efi_mmap {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t descr_size;
    multiboot_uint32_t descr_vers;
    multiboot_uint8_t efi_mmap[0];
  };
  
  struct multiboot_tag_efi32_ih {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t pointer;
  };
  
  struct multiboot_tag_efi64_ih {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint64_t pointer;
  };
  
  struct multiboot_tag_load_base_addr {
    multiboot_uint32_t type;
    multiboot_uint32_t size;
    multiboot_uint32_t load_base_addr;
  };
  
  #endif // __ASSEMBLER__
  
  #endif // _MULTIBOOT2_HEADER_H_