payloads/libpayload/include/multiboot_tables.h

   1 /*
   2  *
   3  * Copyright (C) 2008 Advanced Micro Devices, Inc.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #ifndef MULTIBOOT_TABLES_H_
  30 #define MULTIBOOT_TABLES_H_
  31
  32 #include <arch/types.h>
  33
  34 #define MULTIBOOT_MAGIC      0x2BADB002UL
  35 #define MULTIBOOT_FLAGS_MMAP    (1 << 6)
  36 #define MULTIBOOT_FLAGS_CMDLINE (1 << 2)
  37 #define MULTIBOOT_FLAGS_MEMINFO (1 << 0)
  38 struct multiboot_header {
  39         u32 flags;
  40         u32 mem_lower;
  41         u32 mem_higher;
  42         u32 boot_device;
  43         u32 cmdline;
  44         u32 mods_count;
  45         u32 mods_addr;
  46
  47         u32 syms[4];
  48
  49         u32 mmap_length;
  50         u32 mmap_addr;
  51
  52         u32 drives_length;
  53         u32 drives_addr;
  54
  55         u32 config_table;
  56
  57         u32 boot_loader_name;
  58
  59         u32 apm_table;
  60
  61         u32 vbe_control_info;
  62         u32 vbe_mode_info;
  63         u32 vbe_mode;
  64         u32 vbe_interface_seg;
  65         u32 vbe_interface_off;
  66         u32 vbe_interface_len;
  67 };
  68
  69 struct multiboot_mmap {
  70         u32 size;
  71         u64 addr;
  72         u64 length;
  73         u32 type;
  74 } __attribute((packed));
  75
  76 #endif