INSTALL/grub/grub.cfg

   1 #************************************************************************************
   2 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   3 #
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License as
   6 # published by the Free Software Foundation; either version 3 of the
   7 # License, or (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 #
  17 #************************************************************************************
  18
  19 function ventoy_pause {
  20     if [ -n "${vtdebug_flag}" ]; then
  21         echo "press Enter to continue ......"
  22         read vtTmpPause
  23     fi
  24 }
  25
  26 function ventoy_debug_pause {
  27     if [ -n "${vtdebug_flag}" ]; then
  28         echo "press Enter to continue ......"
  29         read vtTmpPause
  30     fi
  31 }
  32
  33
  34 function ventoy_power {
  35     configfile $prefix/power.cfg
  36 }
  37
  38 function ventoy_diagnosis {
  39     configfile $prefix/debug.cfg
  40 }
  41
  42 function ventoy_localboot {
  43     configfile $prefix/localboot.cfg
  44 }
  45
  46 function get_os_type {
  47     set vtoy_os=Linux
  48
  49     for file in "efi/microsoft/boot/bcd" "sources/boot.wim" "boot/bcd" "bootmgr.efi" "boot/etfsboot.com" ; do
  50         if vt_file_exist_nocase (loop)/$file; then
  51             set vtoy_os=Windows
  52             break
  53         fi
  54     done
  55
  56     if [ -n "${vtdebug_flag}" ]; then
  57         echo ISO is $vtoy_os
  58     fi
  59 }
  60
  61 function vt_check_compatible_pe {
  62     #Check for PE without external tools
  63     if [ -f $1/HBCD_PE.ini ]; then
  64         set ventoy_compatible=YES
  65     fi
  66 }
  67
  68 function locate_initrd {
  69     vt_linux_locate_initrd
  70
  71     if [ -n "${vtdebug_flag}" ]; then
  72         vt_linux_dump_initrd
  73         ventoy_debug_pause
  74     fi
  75 }
  76
  77 function locate_wim {
  78     vt_windows_locate_wim_patch (loop)
  79
  80     if [ -n "${vtdebug_flag}" ]; then
  81         echo '###############################################'
  82         vt_dump_wim_patch
  83         echo '###############################################'
  84         ventoy_debug_pause
  85     fi
  86 }
  87
  88 function distro_specify_wim_patch {
  89     if [ -d (loop)/h3pe ]; then
  90         vt_windows_collect_wim_patch wim /BOOT/H3_10PE.WIM
  91         vt_windows_collect_wim_patch wim /BOOT/H3_7PE.WIM
  92         vt_windows_collect_wim_patch wim /BOOT/H3_8PE.WIM
  93         vt_windows_collect_wim_patch wim /BOOT/H3_81PE.WIM
  94     fi
  95 }
  96
  97 function distro_specify_wim_patch_phase2 {
  98     if [ -f (loop)/boot/boot.wim ]; then
  99         vt_windows_collect_wim_patch wim /boot/boot.wim
 100     fi
 101 }
 102
 103
 104 function distro_specify_initrd_file {
 105     if [ -e (loop)/boot/all.rdz ]; then
 106         vt_linux_specify_initrd_file /boot/all.rdz
 107     elif [ -e (loop)/boot/xen.gz ]; then
 108         if [ -e (loop)/install.img ]; then
 109             vt_linux_specify_initrd_file /install.img
 110         fi
 111     elif [ -d (loop)/casper ]; then
 112         if [ -e (loop)/casper/initrd ]; then
 113             vt_linux_specify_initrd_file /casper/initrd
 114         fi
 115         if [ -e (loop)/casper/initrd-oem ]; then
 116             vt_linux_specify_initrd_file /casper/initrd-oem
 117         fi
 118     elif [ -e (loop)/boot/grub/initrd.xz ]; then
 119         vt_linux_specify_initrd_file /boot/grub/initrd.xz
 120     elif [ -e (loop)/initrd.gz ]; then
 121         vt_linux_specify_initrd_file /initrd.gz
 122     elif [ -e (loop)/slax/boot/initrfs.img ]; then
 123         vt_linux_specify_initrd_file /slax/boot/initrfs.img
 124     elif [ -e (loop)/pmagic/initrd.img ]; then
 125         vt_linux_specify_initrd_file /pmagic/initrd.img
 126     elif [ -e (loop)/boot/initrd.xz ]; then
 127         vt_linux_specify_initrd_file /boot/initrd.xz
 128     elif [ -f (loop)/boot/initrd ]; then
 129         vt_linux_specify_initrd_file /boot/initrd
 130     elif [ -f (loop)/boot/x86_64/loader/initrd ]; then
 131         vt_linux_specify_initrd_file /boot/x86_64/loader/initrd
 132     elif [ -f (loop)/boot/initramfs-x86_64.img ]; then
 133         vt_linux_specify_initrd_file /boot/initramfs-x86_64.img
 134
 135
 136     fi
 137 }
 138
 139
 140 function distro_specify_initrd_file_phase2 {
 141     if [ -f (loop)/boot/initrd.img ]; then
 142         vt_linux_specify_initrd_file /boot/initrd.img
 143     elif [ -f (loop)/Setup/initrd.gz ]; then
 144         vt_linux_specify_initrd_file /Setup/initrd.gz
 145     elif [ -f (loop)/isolinux/initramfs ]; then
 146         vt_linux_specify_initrd_file /isolinux/initramfs
 147     elif [ -f (loop)/boot/iniramfs.igz ]; then
 148         vt_linux_specify_initrd_file /boot/iniramfs.igz
 149     elif [ -f (loop)/initrd-x86_64 ]; then
 150         vt_linux_specify_initrd_file /initrd-x86_64
 151     elif [ -f (loop)/live/initrd.img ]; then
 152         vt_linux_specify_initrd_file /live/initrd.img
 153     elif [ -f (loop)/initrd.img ]; then
 154         vt_linux_specify_initrd_file /initrd.img
 155
 156     fi
 157 }
 158
 159 function uefi_windows_menu_func {
 160     vt_windows_reset
 161
 162     if [ "$ventoy_compatible" = "NO" ]; then
 163
 164         if [ "$ventoy_fs_probe" = "iso9660" ]; then
 165             loopback -d loop
 166             vt_iso9660_nojoliet 1
 167             loopback loop $1$2
 168         fi
 169
 170         for file in "efi/microsoft/boot/bcd"; do
 171             vt_windows_collect_wim_patch bcd (loop)/$file
 172         done
 173
 174         vt_windows_count_wim_patch vt_wim_cnt
 175         if [ $vt_wim_cnt -eq 0 ]; then
 176             distro_specify_wim_patch_phase2
 177         fi
 178
 179         ventoy_debug_pause
 180         locate_wim
 181     fi
 182
 183     vt_windows_chain_data ${1}${chosen_path}
 184     ventoy_debug_pause
 185
 186     if [ -n "$vtoy_chain_mem_addr" ]; then
 187         terminal_output  console
 188         chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 189         boot
 190     else
 191         echo "chain empty failed"
 192         ventoy_pause
 193     fi
 194 }
 195
 196 function uefi_linux_menu_func {
 197     if [ "$ventoy_compatible" = "NO" ]; then
 198
 199         if [ "$ventoy_fs_probe" = "udf" ]; then
 200             loopback -d loop
 201             set ventoy_fs_probe=iso9660
 202             loopback loop $1$2
 203         fi
 204
 205         vt_load_cpio  ${vtoy_path}/ventoy.cpio   $2 $1
 206
 207         vt_linux_clear_initrd
 208
 209         if [ -d (loop)/pmagic ]; then
 210             vt_linux_specify_initrd_file /pmagic/initrd.img
 211         else
 212             for file in "boot/grub/grub.cfg" "EFI/BOOT/grub.cfg" "EFI/boot/grub.cfg" "efi/boot/grub.cfg" "EFI/BOOT/BOOTX64.conf" "/grub/grub.cfg"; do
 213                 if [ -e (loop)/$file ]; then
 214                     vt_linux_parse_initrd_grub  file  (loop)/$file
 215                 fi
 216             done
 217         fi
 218
 219         # special process for special distros
 220         if [ -d (loop)/loader/entries ]; then
 221             vt_linux_parse_initrd_grub  dir  (loop)/loader/entries/
 222         elif [ -d (loop)/boot/grub ]; then
 223             vt_linux_parse_initrd_grub  dir  (loop)/boot/grub/
 224         fi
 225
 226         distro_specify_initrd_file
 227
 228         vt_linux_initrd_count vtcount
 229         if [ $vtcount -eq 0 ]; then
 230             distro_specify_initrd_file_phase2
 231
 232             if [ "$vt_efi_dir" = "NO" ]; then
 233                 if [ -f (loop)/efi.img ];  then
 234                     vt_add_replace_file 0 "initrd"
 235                 fi
 236             fi
 237         fi
 238
 239         locate_initrd
 240
 241         if [ -d (loop)/loader/entries ]; then
 242             vt_linux_get_main_initrd_index vtindex
 243
 244             if [ -d (loop)/arch ]; then
 245                 if [ -f (loop)/arch/boot/x86_64/archiso.img ]; then
 246                     vt_add_replace_file $vtindex "EFI\\archiso\\archiso.img"
 247                 elif [ -f (loop)/boot/initramfs_x86_64.img ]; then
 248                     vt_add_replace_file $vtindex "boot\\initramfs_x86_64.img"
 249                 fi
 250             elif [ -f (loop)/EFI/BOOT/initrd.gz ]; then
 251                 vt_add_replace_file $vtindex "EFI\\BOOT\\initrd.gz"
 252             fi
 253         elif [ -e (loop)/syslinux/alt0/full.cz ]; then
 254             vt_add_replace_file 0 "EFI\\BOOT\\full.cz"
 255             set FirstTryBootFile='@EFI@BOOT@grubx64.efi'
 256         fi
 257
 258     fi
 259
 260     vt_linux_chain_data ${1}${chosen_path}
 261
 262     if [ -n "$vtoy_chain_mem_addr" ]; then
 263         terminal_output  console
 264         chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} FirstTry=${FirstTryBootFile} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 265         boot
 266     else
 267         echo "chain empty failed"
 268         ventoy_pause
 269     fi
 270 }
 271
 272
 273 function uefi_iso_menu_func {
 274
 275     if [ -d (loop)/ ]; then
 276         loopback -d loop
 277     fi
 278
 279     if [ -n "$vtisouefi" ]; then
 280         set LoadIsoEfiDriver=on
 281         unset vtisouefi
 282     elif vt_check_mode 2; then
 283         set LoadIsoEfiDriver=on
 284     else
 285         unset LoadIsoEfiDriver
 286     fi
 287
 288     vt_chosen_img_path chosen_path
 289     vt_select_auto_install ${chosen_path}
 290     vt_select_persistence ${chosen_path}
 291
 292     if vt_is_udf ${1}${chosen_path}; then
 293         set ventoy_fs_probe=udf
 294     else
 295         set ventoy_fs_probe=iso9660
 296         vt_iso9660_nojoliet 0
 297     fi
 298
 299     loopback loop ${1}${chosen_path}
 300     get_os_type (loop)
 301
 302     if [ -d (loop)/EFI ]; then
 303         set vt_efi_dir=YES
 304     elif [ -d (loop)/efi ]; then
 305         set vt_efi_dir=YES
 306     else
 307         set vt_efi_dir=NO
 308     fi
 309
 310     if [ -n "$vtcompat" ]; then
 311         set ventoy_compatible=YES
 312         unset vtcompat
 313     elif vt_check_mode 1; then
 314         set ventoy_compatible=YES
 315     else
 316         vt_check_compatible (loop)
 317     fi
 318
 319     vt_img_sector ${1}${chosen_path}
 320
 321     if [ "$vtoy_os" = "Windows" ]; then
 322         vt_check_compatible_pe (loop)
 323         uefi_windows_menu_func  $1 ${chosen_path}
 324     else
 325         uefi_linux_menu_func  $1 ${chosen_path}
 326     fi
 327
 328     terminal_output  gfxterm
 329 }
 330
 331 function uefi_iso_memdisk {
 332     vt_chosen_img_path chosen_path
 333
 334     echo 'Loading ISO file to memory ...'
 335     vt_load_iso_to_mem ${1}${chosen_path} vtoy_iso_buf
 336
 337     terminal_output  console
 338     chainloader ${vtoy_path}/ventoy_x64.efi memdisk env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_iso_buf_addr}:size:${vtoy_iso_buf_size}
 339     boot
 340 }
 341
 342
 343 function legacy_windows_menu_func {
 344     vt_windows_reset
 345
 346     if [ "$ventoy_compatible" = "NO" ]; then
 347
 348         if [ "$ventoy_fs_probe" = "iso9660" ]; then
 349             loopback -d loop
 350             vt_iso9660_nojoliet 1
 351             loopback loop $1$2
 352         fi
 353
 354         for file in "boot/bcd" "/efi/microsoft/boot/bcd" "SSTR/BCD"; do
 355             vt_windows_collect_wim_patch bcd (loop)/$file
 356         done
 357
 358         distro_specify_wim_patch
 359
 360         vt_windows_count_wim_patch vt_wim_cnt
 361         if [ $vt_wim_cnt -eq 0 ]; then
 362             distro_specify_wim_patch_phase2
 363         fi
 364
 365         ventoy_debug_pause
 366         locate_wim
 367     fi
 368
 369     vt_windows_chain_data ${1}${chosen_path}
 370     ventoy_debug_pause
 371
 372     if [ -n "$vtoy_chain_mem_addr" ]; then
 373         linux16   $vtoy_path/ipxe.krn ${vtdebug_flag} ibft mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 374         boot
 375     else
 376         echo "chain empty failed"
 377         ventoy_pause
 378     fi
 379 }
 380
 381 function legacy_linux_menu_func {
 382     if [ "$ventoy_compatible" = "NO" ]; then
 383
 384         if [ "$ventoy_fs_probe" = "udf" ]; then
 385             loopback -d loop
 386             set ventoy_fs_probe=iso9660
 387             loopback loop $1$2
 388         fi
 389
 390         vt_load_cpio  $vtoy_path/ventoy.cpio  $2 $1
 391
 392         vt_linux_clear_initrd
 393
 394         if [ -d (loop)/pmagic ]; then
 395             vt_linux_specify_initrd_file /pmagic/initrd.img
 396         else
 397             for dir in "isolinux" "boot/isolinux" "boot/x86_64/loader" "syslinux" "boot/syslinux"; do
 398                 if [ -d (loop)/$dir ]; then
 399                     vt_linux_parse_initrd_isolinux   (loop)/$dir/
 400                 fi
 401             done
 402         fi
 403
 404         # special process for special distros
 405         #archlinux
 406         if [ -d (loop)/arch/boot/syslinux ]; then
 407             vt_linux_parse_initrd_isolinux   (loop)/arch/boot/syslinux/  /arch/
 408             vt_linux_parse_initrd_isolinux   (loop)/arch/boot/syslinux/  /arch/boot/syslinux/
 409
 410         #manjaro
 411         elif [ -d (loop)/manjaro ]; then
 412             if [ -e (loop)/boot/grub/kernels.cfg ]; then
 413                 vt_linux_parse_initrd_grub  file  (loop)/boot/grub/kernels.cfg
 414             fi
 415         elif [ -e (loop)/boot/grub/grub.cfg ]; then
 416             vt_linux_parse_initrd_grub  file  (loop)/boot/grub/grub.cfg
 417         fi
 418
 419         distro_specify_initrd_file
 420
 421         vt_linux_initrd_count vtcount
 422         if [ $vtcount -eq 0 ]; then
 423             distro_specify_initrd_file_phase2
 424         fi
 425
 426         locate_initrd
 427     fi
 428
 429     vt_linux_chain_data ${1}${chosen_path}
 430     ventoy_debug_pause
 431
 432     if [ -n "$vtoy_chain_mem_addr" ]; then
 433         linux16   $vtoy_path/ipxe.krn ${vtdebug_flag}  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 434         boot
 435     else
 436         echo "chain empty failed"
 437         ventoy_pause
 438     fi
 439 }
 440
 441 function legacy_iso_menu_func {
 442
 443     if [ -d (loop)/ ]; then
 444         loopback -d loop
 445     fi
 446
 447     vt_chosen_img_path chosen_path
 448     vt_select_auto_install ${chosen_path}
 449     vt_select_persistence ${chosen_path}
 450
 451     if vt_is_udf ${1}${chosen_path}; then
 452         set ventoy_fs_probe=udf
 453     else
 454         set ventoy_fs_probe=iso9660
 455         vt_iso9660_nojoliet 0
 456     fi
 457
 458     loopback loop ${1}${chosen_path}
 459     get_os_type (loop)
 460
 461     if [ -n "$vtcompat" ]; then
 462         set ventoy_compatible=YES
 463         unset vtcompat
 464     elif vt_check_mode 1; then
 465         set ventoy_compatible=YES
 466     else
 467         vt_check_compatible (loop)
 468     fi
 469
 470     vt_img_sector ${1}${chosen_path}
 471
 472     if [ "$vtoy_os" = "Windows" ]; then
 473         vt_check_compatible_pe (loop)
 474         legacy_windows_menu_func  $1 ${chosen_path}
 475     else
 476         legacy_linux_menu_func  $1 ${chosen_path}
 477     fi
 478 }
 479
 480 function legacy_iso_memdisk {
 481     vt_chosen_img_path chosen_path
 482
 483     linux16   $vtoy_path/memdisk iso raw
 484     echo "Loading ISO file to memory ..."
 485     initrd16  ${1}${chosen_path}
 486     boot
 487 }
 488
 489 function iso_common_menuentry {
 490     if [ "$grub_platform" = "pc" ]; then
 491         if vt_check_mode 0; then
 492             legacy_iso_memdisk $iso_path
 493         else
 494             legacy_iso_menu_func $iso_path
 495         fi
 496     else
 497         if vt_check_mode 0; then
 498             uefi_iso_memdisk $iso_path
 499         else
 500             uefi_iso_menu_func $iso_path
 501         fi
 502     fi
 503 }
 504
 505 function iso_unsupport_menuentry {
 506     echo -e "\n The name of the iso file could NOT contain space or non-ascii characters. \n"
 507     echo -e "\n Will return to main menu after 10 seconds ...\n"
 508     sleep 10
 509 }
 510
 511
 512 function wim_common_menuentry {
 513     vt_chosen_img_path chosen_path
 514     vt_wim_chain_data ${iso_path}${chosen_path}
 515
 516     ventoy_debug_pause
 517
 518     if [ -n "$vtoy_chain_mem_addr" ]; then
 519         if [ "$grub_platform" = "pc" ]; then
 520             linux16   $vtoy_path/ipxe.krn ${vtdebug_flag}  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 521         else
 522             terminal_output  console
 523             chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 524         fi
 525         boot
 526     else
 527         echo "chain empty failed"
 528         ventoy_pause
 529     fi
 530 }
 531
 532 function wim_unsupport_menuentry {
 533     echo -e "\n The name of the wim file could NOT contain space or non-ascii characters. \n"
 534     echo -e "\n Will return to main menu after 10 seconds ...\n"
 535     sleep 10
 536 }
 537
 538 #############################################################
 539 #############################################################
 540 #############################################################
 541 #######                 Main Process              ###########
 542 #############################################################
 543 #############################################################
 544 #############################################################
 545
 546 set VENTOY_VERSION="1.0.13"
 547
 548 # Default menu display mode, you can change it as you want.
 549 #    0: List mode
 550 #    1: TreeView mode
 551 set VTOY_DEFAULT_MENU_MODE=0
 552
 553 #disable timeout
 554 unset timeout
 555
 556 set VTOY_MEM_DISK_STR="[Memdisk]"
 557 set VTOY_ISO_RAW_STR="Compatible Mode"
 558 set VTOY_ISO_UEFI_DRV_STR="UEFI FS"
 559
 560 set VTOY_F2_CMD="ventoy_power"
 561 set VTOY_F4_CMD="ventoy_localboot"
 562 set VTOY_F5_CMD="ventoy_diagnosis"
 563
 564 if [ "$grub_platform" = "pc" ]; then
 565     set VTOY_TEXT_MENU_VER="Ventoy $VENTOY_VERSION BIOS  www.ventoy.net"
 566 else
 567     set VTOY_TEXT_MENU_VER="Ventoy $VENTOY_VERSION UEFI  www.ventoy.net"
 568 fi
 569
 570 vt_device $root  vtoy_dev
 571
 572 if [ "$vtoy_dev" = "tftp" ]; then
 573     set vtoy_path=($root)
 574     for vtid in 0 1 2 3; do
 575         if [ -d (hd$vtid,2)/ventoy ]; then
 576             set iso_path=(hd$vtid,1)
 577             set vtoy_efi_part=(hd$vtid,2)
 578             break
 579         fi
 580     done
 581     loadfont ascii
 582 else
 583     if [ "$prefix" = "(ventoydisk)/grub" ]; then
 584         set vtoy_path=(ventoydisk)/ventoy
 585     else
 586         set vtoy_path=($root)/ventoy
 587     fi
 588
 589     set iso_path=($vtoy_dev,1)
 590     set vtoy_efi_part=($vtoy_dev,2)
 591     loadfont unicode
 592 fi
 593
 594
 595 #Load Plugin
 596 if [ -f $iso_path/ventoy/ventoy.json ]; then
 597    vt_load_plugin $iso_path
 598 fi
 599
 600 if [ -f $iso_path/ventoy/ventoy_wimboot.img ]; then
 601     vt_load_wimboot $iso_path/ventoy/ventoy_wimboot.img
 602 elif [ -f $vtoy_efi_part/ventoy/ventoy_wimboot.img ]; then
 603     vt_load_wimboot $vtoy_efi_part/ventoy/ventoy_wimboot.img
 604 fi
 605
 606
 607 if [ $VTOY_DEFAULT_MENU_MODE -eq 0 ]; then
 608     set VTOY_F3_CMD="vt_dynamic_menu 1 1"
 609     set VTOY_HOTKEY_TIP="F1:Memdisk  F2:Power  F3:TreeView  F4:Localboot  F5:Debug"
 610 else
 611     set VTOY_F3_CMD="vt_dynamic_menu 1 0"
 612     set VTOY_HOTKEY_TIP="F1:Memdisk  F2:Power  F3:ListView  F4:Localboot  F5:Debug"
 613 fi
 614
 615
 616 if [ -n "$vtoy_gfxmode" ]; then
 617     set gfxmode=$vtoy_gfxmode
 618 else
 619     set gfxmode=1920x1080,1366x768,1024x768
 620 fi
 621
 622 if [ -n "$vtoy_theme" ]; then
 623     set theme=$vtoy_theme
 624 else
 625     set theme=$prefix/themes/ventoy/theme.txt
 626 fi
 627
 628 if [ "$vtoy_display_mode" = "CLI" ]; then
 629     terminal_output  console
 630 else
 631     terminal_output  gfxterm
 632 fi
 633
 634 #vtdebug on
 635
 636 #colect all image files (iso files)
 637 set ventoy_img_count=0
 638 vt_list_img $iso_path ventoy_img_count
 639
 640 #Main menu
 641 if [ $ventoy_img_count -gt 0 ]; then
 642     if [ $VTOY_DEFAULT_MENU_MODE -eq 0 ]; then
 643         vt_dynamic_menu 0 0
 644     else
 645         vt_dynamic_menu 0 1
 646     fi
 647 else
 648     if [ -n "$VTOY_NO_ISO_TIP" ]; then
 649         NO_ISO_MENU="No ISO files found, $VTOY_NO_ISO_TIP"
 650     elif [ -n "$VTOY_DEFAULT_SEARCH_ROOT" ]; then
 651         NO_ISO_MENU="No ISO files found, please check VTOY_DEFAULT_SEARCH_ROOT"
 652     else
 653         NO_ISO_MENU="No ISO files found"
 654     fi
 655     menuentry "$NO_ISO_MENU (Press enter to reboot ...)" {
 656         echo -e "\n    Rebooting ... "
 657         reboot
 658     }
 659 fi