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  1. /*
  2.  * Copyright (c) 2005 Martin Decky
  3.  * All rights reserved.
  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.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup ia32
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_ia32_MULTIBOOT_H__
  36. #define KERN_ia32_MULTIBOOT_H_
  37.  
  38. #include <arch/types.h>
  39. #include <arch/boot/memmap.h>
  40.  
  41. /** Multiboot mod structure */
  42. typedef struct {
  43.     uintptr_t start;
  44.     uintptr_t end;
  45.     char *string;
  46.     uint32_t reserved;
  47. } __attribute__ ((packed)) mb_mod_t;
  48.  
  49. /** Multiboot mmap structure */
  50. typedef struct {
  51.     uint32_t size;
  52.     e820memmap_t mm_info;
  53. } __attribute__ ((packed)) mb_mmap_t;
  54.  
  55. /** Multiboot information structure */
  56. typedef struct {
  57.     uint32_t flags;
  58.     uintptr_t mem_lower;
  59.     uintptr_t mem_upper;
  60.    
  61.     uint32_t boot_device;
  62.     char *cmdline;
  63.    
  64.     uint32_t mods_count;
  65.     mb_mod_t *mods_addr;
  66.    
  67.     uint32_t syms[4];
  68.    
  69.     uint32_t mmap_length;
  70.     mb_mmap_t *mmap_addr;
  71.    
  72.     /* ... */
  73. } __attribute__ ((packed)) mb_info_t;
  74.  
  75. enum mb_info_flags {
  76.     MBINFO_FLAGS_MEM     = 0x01,
  77.     MBINFO_FLAGS_BOOT    = 0x02,
  78.     MBINFO_FLAGS_CMDLINE = 0x04,
  79.     MBINFO_FLAGS_MODS    = 0x08,
  80.     MBINFO_FLAGS_SYMS1   = 0x10,
  81.     MBINFO_FLAGS_SYMS2   = 0x20,
  82.     MBINFO_FLAGS_MMAP    = 0x40
  83.    
  84.     /* ... */
  85. };
  86.  
  87. #endif
  88.  
  89. /** @}
  90.  */
  91.