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
  19 /* The standard boot sector and ldlinux image */
  20 extern unsigned char syslinux_bootsect[];
  21 extern unsigned int  syslinux_bootsect_len;
  22 extern int           syslinux_bootsect_mtime;
  23
  24 extern unsigned char syslinux_ldlinux[];
  25 extern unsigned int  syslinux_ldlinux_len;
  26 extern int           syslinux_ldlinux_mtime;
  27
  28 extern unsigned char syslinux_mbr[];
  29 extern unsigned int  syslinux_mbr_len;
  30 extern int           syslinux_mbr_mtime;
  31
  32 /* This takes a boot sector and merges in the syslinux fields */
  33 void syslinux_make_bootsect(void *);
  34
  35 /* Check to see that what we got was indeed an MS-DOS boot sector/superblock */
  36 const char *syslinux_check_bootsect(const void *bs);
  37
  38 /* This patches the boot sector and ldlinux.sys based on a sector map */
  39 int syslinux_patch(const uint32_t *sectors, int nsectors,
  40                    int stupid, int raid_mode);
  41
  42 /* ADV information */
  43 #define ADV_SIZE        512             /* Total size */
  44 #define ADV_LEN         (ADV_SIZE-3*4)  /* Usable data size */
  45 extern unsigned char syslinux_adv[2*ADV_SIZE];
  46
  47 int syslinux_setadv(int tag, size_t size, const void *data);
  48 void syslinux_reset_adv(unsigned char *advbuf);
  49 int syslinux_validate_adv(unsigned char *advbuf);
  50
  51 #endif