C++ (Cpp) grub_biosdisk_call_hook Examples

Example #1

File: biosdisk.c Project: AlfredArouna/grub2

static int
grub_biosdisk_iterate (int (*hook) (const char *name))
{
  int drive;
  int num_floppies;

  /* For hard disks, attempt to read the MBR.  */
  for (drive = 0x80; drive < 0x90; drive++)
    {
      if (grub_biosdisk_rw_standard (0x02, drive, 0, 0, 1, 1,
				     GRUB_MEMORY_MACHINE_SCRATCH_SEG) != 0)
	{
	  grub_dprintf ("disk", "Read error when probing drive 0x%2x\n", drive);
	  break;
	}

      if (grub_biosdisk_call_hook (hook, drive))
	return 1;
    }

  if (cd_drive)
    {
      if (grub_biosdisk_call_hook (hook, cd_drive))
      return 1;
    }

  /* For floppy disks, we can get the number safely.  */
  num_floppies = grub_biosdisk_get_num_floppies ();
  for (drive = 0; drive < num_floppies; drive++)
    if (grub_biosdisk_call_hook (hook, drive))
      return 1;

  return 0;
}

Example #2

File: biosdisk.c Project: Firef0x/burg-new

static int
grub_biosdisk_iterate (int (*hook) (const char *name, void *closure),
		       void *closure)
{
  int drive;
  int num_floppies;

  /* For hard disks, attempt to read the MBR.  */
  for (drive = 0x80; drive < 0x90; drive++)
    {
      if (grub_biosdisk_call_hook (hook, closure, drive))
	return 1;
    }

  if (cd_drive >= 0x90)
    {
      if (grub_biosdisk_call_hook (hook, closure, cd_drive))
      return 1;
    }

  /* For floppy disks, we can get the number safely.  */
  num_floppies = grub_biosdisk_get_num_floppies ();
  if ((grub_boot_drive == 0) && (num_floppies == 0))
    num_floppies++;
  for (drive = 0; drive < num_floppies; drive++)
    if (grub_biosdisk_call_hook (hook, closure, drive))
      return 1;

  return 0;
}