libinstaller/syslinux.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 1998-2008 H. Peter Anvin - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8  *   Boston MA 02111-1307, USA; either version 2 of the License, or
   9  *   (at your option) any later version; incorporated herein by reference.
  10  *
  11  * ----------------------------------------------------------------------- */
  12
  13 #ifndef SYSLINUX_H
  14 #define SYSLINUX_H
  15
  16 #include <inttypes.h>
  17 #include "advconst.h"
  18 #include "setadv.h"
  19
  20 #ifdef __CHECKER__
  21 # define _slimg __attribute__((noderef,address_space(1)))
  22 # define _force __attribute__((force))
  23 #else
  24 # define _slimg
  25 # define _force
  26 #endif
  27
  28 /* The standard boot sector and ldlinux image */
  29 extern unsigned char syslinux_bootsect[];
  30 extern const unsigned int syslinux_bootsect_len;
  31 extern const int syslinux_bootsect_mtime;
  32
  33 extern unsigned char _slimg syslinux_ldlinux[];
  34 extern const unsigned int syslinux_ldlinux_len;
  35 extern const int syslinux_ldlinux_mtime;
  36
  37 extern unsigned char _slimg syslinux_ldlinuxc32[];
  38 extern const unsigned int syslinux_ldlinuxc32_len;
  39
  40 #define boot_sector     syslinux_bootsect
  41 #define boot_sector_len syslinux_bootsect_len
  42 #define boot_image      syslinux_ldlinux
  43 #define boot_image_len  syslinux_ldlinux_len
  44
  45 extern unsigned char syslinux_mbr[];
  46 extern const unsigned int syslinux_mbr_len;
  47 extern const int syslinux_mbr_mtime;
  48
  49 /* Sector size assumptions... */
  50 #define SECTOR_SHIFT    9
  51 #define SECTOR_SIZE     (1 << SECTOR_SHIFT)
  52
  53 /* This takes a boot sector and merges in the syslinux fields */
  54 void syslinux_make_bootsect(void *bs, int fs_type);
  55
  56 /* Check to see that what we got was indeed an MS-DOS boot sector/superblock */
  57 const char *syslinux_check_bootsect(const void *bs, int *fs_type);
  58
  59 /* This patches the boot sector and ldlinux.sys based on a sector map */
  60 typedef uint64_t sector_t;
  61 int syslinux_patch(const sector_t *sectors, int nsectors,
  62                    int stupid, int raid_mode,
  63                    const char *subdir, const char *subvol);
  64
  65 #endif