memdisk/eltorito.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2009 Shao Miller - 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 /*
  14  * eltorito.c
  15  *
  16  * EDD-4 El Torito structures and debugging routines
  17  */
  18
  19 #include <stdint.h>
  20 #include "memdisk.h"
  21 #include "conio.h"
  22 #include "eltorito.h"
  23
  24 #ifdef DBG_ELTORITO
  25 void eltorito_dump(uint32_t image)
  26 {
  27     printf("-- El Torito dump --\n", image);
  28
  29     /* BVD starts at sector 17. */
  30     struct edd4_bvd *bvd = (struct edd4_bvd *)(image + 17 * 2048);
  31
  32     printf("bvd.boot_rec_ind: 0x%02x\n", bvd->boot_rec_ind);
  33     printf("bvd.iso9660_id: %c%c%c%c%c\n", bvd->iso9660_id[0],
  34            bvd->iso9660_id[1], bvd->iso9660_id[2], bvd->iso9660_id[3],
  35            bvd->iso9660_id[4]);
  36     printf("bvd.ver: 0x%02x\n", bvd->ver);
  37     printf("bvd.eltorito: %s\n", bvd->eltorito);
  38     printf("bvd.boot_cat: 0x%08x\n", bvd->boot_cat);
  39
  40     struct edd4_bootcat *boot_cat =
  41         (struct edd4_bootcat *)(image + bvd->boot_cat * 2048);
  42
  43     printf("boot_cat.validation_entry\n");
  44     printf("  .header_id: 0x%02x\n", boot_cat->validation_entry.header_id);
  45     printf("  .platform_id: 0x%02x\n", boot_cat->validation_entry.platform_id);
  46     printf("  .id_string: %s\n", boot_cat->validation_entry.id_string);
  47     printf("  .checksum: 0x%04x\n", boot_cat->validation_entry.checksum);
  48     printf("  .key55: 0x%02x\n", boot_cat->validation_entry.key55);
  49     printf("  .keyAA: 0x%02x\n", boot_cat->validation_entry.keyAA);
  50     printf("boot_cat.initial_entry\n");
  51     printf("  .header_id: 0x%02x\n", boot_cat->initial_entry.header_id);
  52     printf("  .media_type: 0x%02x\n", boot_cat->initial_entry.media_type);
  53     printf("  .load_seg: 0x%04x\n", boot_cat->initial_entry.load_seg);
  54     printf("  .system_type: 0x%02x\n", boot_cat->initial_entry.system_type);
  55     printf("  .sect_count: %d\n", boot_cat->initial_entry.sect_count);
  56     printf("  .load_block: 0x%08x\n", boot_cat->initial_entry.load_block);
  57 }
  58 #endif