text: /*  multiboot2.h - Multiboot 2 header file.  */
  /*  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 MULTIBOOT_HEADER
  #define MULTIBOOT_HEADER 1
  
  /* 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 ASM_FILE
  
  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_fixed {
      multiboot_uint32_t total_size;
      multiboot_uint32_t reserved;
  };
  
  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 /* ! ASM_FILE */
  
  #endif /* ! MULTIBOOT_HEADER */
  