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     elif [ -f (loop)/sysresccd/boot/x86_64/sysresccd.img ]; then
 156         vt_linux_specify_initrd_file /sysresccd/boot/x86_64/sysresccd.img
 157
 158     fi
 159 }
 160
 161 function uefi_windows_menu_func {
 162     vt_windows_reset
 163
 164     if [ "$ventoy_compatible" = "NO" ]; then
 165
 166         if [ "$ventoy_fs_probe" = "iso9660" ]; then
 167             loopback -d loop
 168             vt_iso9660_nojoliet 1
 169             loopback loop $1$2
 170         fi
 171
 172         for file in "efi/microsoft/boot/bcd"; do
 173             vt_windows_collect_wim_patch bcd (loop)/$file
 174         done
 175
 176         vt_windows_count_wim_patch vt_wim_cnt
 177         if [ $vt_wim_cnt -eq 0 ]; then
 178             distro_specify_wim_patch_phase2
 179         fi
 180
 181         ventoy_debug_pause
 182         locate_wim
 183     fi
 184
 185     vt_windows_chain_data ${1}${chosen_path}
 186     ventoy_debug_pause
 187
 188     if [ -n "$vtoy_chain_mem_addr" ]; then
 189         terminal_output  console
 190         chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 191         boot
 192     else
 193         echo "chain empty failed"
 194         ventoy_pause
 195     fi
 196 }
 197
 198 function uefi_linux_menu_func {
 199     if [ "$ventoy_compatible" = "NO" ]; then
 200
 201         if [ "$ventoy_fs_probe" = "udf" ]; then
 202             loopback -d loop
 203             set ventoy_fs_probe=iso9660
 204             loopback loop $1$2
 205         fi
 206
 207         vt_load_cpio  ${vtoy_path}/ventoy.cpio   $2 $1
 208
 209         vt_linux_clear_initrd
 210
 211         if [ -d (loop)/pmagic ]; then
 212             vt_linux_specify_initrd_file /pmagic/initrd.img
 213         else
 214             for file in "boot/grub/grub.cfg" "EFI/BOOT/grub.cfg" "EFI/boot/grub.cfg" "efi/boot/grub.cfg" "EFI/BOOT/BOOTX64.conf" "/grub/grub.cfg"; do
 215                 if [ -e (loop)/$file ]; then
 216                     vt_linux_parse_initrd_grub  file  (loop)/$file
 217                 fi
 218             done
 219         fi
 220
 221         # special process for special distros
 222         if [ -d (loop)/loader/entries ]; then
 223             vt_linux_parse_initrd_grub  dir  (loop)/loader/entries/
 224         elif [ -d (loop)/boot/grub ]; then
 225             vt_linux_parse_initrd_grub  dir  (loop)/boot/grub/
 226         fi
 227
 228         distro_specify_initrd_file
 229
 230         vt_linux_initrd_count vtcount
 231         if [ $vtcount -eq 0 ]; then
 232             distro_specify_initrd_file_phase2
 233
 234             if [ "$vt_efi_dir" = "NO" ]; then
 235                 if [ -f (loop)/efi.img ];  then
 236                     vt_add_replace_file 0 "initrd"
 237                 fi
 238             fi
 239         fi
 240
 241         locate_initrd
 242
 243         if [ -d (loop)/loader/entries ]; then
 244             vt_linux_get_main_initrd_index vtindex
 245
 246             if [ -d (loop)/arch ]; then
 247                 if [ -f (loop)/arch/boot/x86_64/archiso.img ]; then
 248                     vt_add_replace_file $vtindex "EFI\\archiso\\archiso.img"
 249                 elif [ -f (loop)/boot/initramfs_x86_64.img ]; then
 250                     vt_add_replace_file $vtindex "boot\\initramfs_x86_64.img"
 251                 fi
 252             elif [ -f (loop)/EFI/BOOT/initrd.gz ]; then
 253                 vt_add_replace_file $vtindex "EFI\\BOOT\\initrd.gz"
 254             fi
 255         elif [ -e (loop)/syslinux/alt0/full.cz ]; then
 256             vt_add_replace_file 0 "EFI\\BOOT\\full.cz"
 257             set FirstTryBootFile='@EFI@BOOT@grubx64.efi'
 258         fi
 259
 260     fi
 261
 262     vt_linux_chain_data ${1}${chosen_path}
 263
 264     if [ -n "$vtoy_chain_mem_addr" ]; then
 265         terminal_output  console
 266         chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} FirstTry=${FirstTryBootFile} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 267         boot
 268     else
 269         echo "chain empty failed"
 270         ventoy_pause
 271     fi
 272 }
 273
 274
 275 function uefi_iso_menu_func {
 276
 277     if [ -d (loop)/ ]; then
 278         loopback -d loop
 279     fi
 280
 281     if [ -n "$vtisouefi" ]; then
 282         set LoadIsoEfiDriver=on
 283         unset vtisouefi
 284     elif vt_check_mode 2; then
 285         set LoadIsoEfiDriver=on
 286     else
 287         unset LoadIsoEfiDriver
 288     fi
 289
 290     vt_chosen_img_path chosen_path
 291     vt_select_auto_install ${chosen_path}
 292     vt_select_persistence ${chosen_path}
 293
 294     if vt_is_udf ${1}${chosen_path}; then
 295         set ventoy_fs_probe=udf
 296     else
 297         set ventoy_fs_probe=iso9660
 298         vt_iso9660_nojoliet 0
 299     fi
 300
 301     loopback loop ${1}${chosen_path}
 302     get_os_type (loop)
 303
 304     if [ -d (loop)/EFI ]; then
 305         set vt_efi_dir=YES
 306     elif [ -d (loop)/efi ]; then
 307         set vt_efi_dir=YES
 308     else
 309         set vt_efi_dir=NO
 310     fi
 311
 312     if [ -n "$vtcompat" ]; then
 313         set ventoy_compatible=YES
 314         unset vtcompat
 315     elif vt_check_mode 1; then
 316         set ventoy_compatible=YES
 317     else
 318         vt_check_compatible (loop)
 319     fi
 320
 321     vt_img_sector ${1}${chosen_path}
 322
 323     if [ "$vtoy_os" = "Windows" ]; then
 324         vt_check_compatible_pe (loop)
 325         uefi_windows_menu_func  $1 ${chosen_path}
 326     else
 327         uefi_linux_menu_func  $1 ${chosen_path}
 328     fi
 329
 330     terminal_output  gfxterm
 331 }
 332
 333 function uefi_iso_memdisk {
 334     vt_chosen_img_path chosen_path
 335
 336     echo 'Loading ISO file to memory ...'
 337     vt_load_iso_to_mem ${1}${chosen_path} vtoy_iso_buf
 338
 339     terminal_output  console
 340     chainloader ${vtoy_path}/ventoy_x64.efi memdisk env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_iso_buf_addr}:size:${vtoy_iso_buf_size}
 341     boot
 342
 343     terminal_output  gfxterm
 344 }
 345
 346
 347 function legacy_windows_menu_func {
 348     vt_windows_reset
 349
 350     if [ "$ventoy_compatible" = "NO" ]; then
 351
 352         if [ "$ventoy_fs_probe" = "iso9660" ]; then
 353             loopback -d loop
 354             vt_iso9660_nojoliet 1
 355             loopback loop $1$2
 356         fi
 357
 358         for file in "boot/bcd" "/efi/microsoft/boot/bcd" "SSTR/BCD"; do
 359             vt_windows_collect_wim_patch bcd (loop)/$file
 360         done
 361
 362         distro_specify_wim_patch
 363
 364         vt_windows_count_wim_patch vt_wim_cnt
 365         if [ $vt_wim_cnt -eq 0 ]; then
 366             distro_specify_wim_patch_phase2
 367         fi
 368
 369         ventoy_debug_pause
 370         locate_wim
 371     fi
 372
 373     vt_windows_chain_data ${1}${chosen_path}
 374     ventoy_debug_pause
 375
 376     if [ -n "$vtoy_chain_mem_addr" ]; then
 377         linux16   $vtoy_path/ipxe.krn ${vtdebug_flag} ibft mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 378         boot
 379     else
 380         echo "chain empty failed"
 381         ventoy_pause
 382     fi
 383 }
 384
 385 function legacy_linux_menu_func {
 386     if [ "$ventoy_compatible" = "NO" ]; then
 387
 388         if [ "$ventoy_fs_probe" = "udf" ]; then
 389             loopback -d loop
 390             set ventoy_fs_probe=iso9660
 391             loopback loop $1$2
 392         fi
 393
 394         vt_load_cpio  $vtoy_path/ventoy.cpio  $2 $1
 395
 396         vt_linux_clear_initrd
 397
 398         if [ -d (loop)/pmagic ]; then
 399             vt_linux_specify_initrd_file /pmagic/initrd.img
 400         else
 401             for dir in "isolinux" "boot/isolinux" "boot/x86_64/loader" "syslinux" "boot/syslinux"; do
 402                 if [ -d (loop)/$dir ]; then
 403                     vt_linux_parse_initrd_isolinux   (loop)/$dir/
 404                 fi
 405             done
 406         fi
 407
 408         # special process for special distros
 409         #archlinux
 410         if [ -d (loop)/arch/boot/syslinux ]; then
 411             vt_linux_parse_initrd_isolinux   (loop)/arch/boot/syslinux/  /arch/
 412             vt_linux_parse_initrd_isolinux   (loop)/arch/boot/syslinux/  /arch/boot/syslinux/
 413
 414         #manjaro
 415         elif [ -d (loop)/manjaro ]; then
 416             if [ -e (loop)/boot/grub/kernels.cfg ]; then
 417                 vt_linux_parse_initrd_grub  file  (loop)/boot/grub/kernels.cfg
 418             fi
 419         elif [ -e (loop)/boot/grub/grub.cfg ]; then
 420             vt_linux_parse_initrd_grub  file  (loop)/boot/grub/grub.cfg
 421         fi
 422
 423         distro_specify_initrd_file
 424
 425         vt_linux_initrd_count vtcount
 426         if [ $vtcount -eq 0 ]; then
 427             distro_specify_initrd_file_phase2
 428         fi
 429
 430         locate_initrd
 431     fi
 432
 433     vt_linux_chain_data ${1}${chosen_path}
 434     ventoy_debug_pause
 435
 436     if [ -n "$vtoy_chain_mem_addr" ]; then
 437         linux16   $vtoy_path/ipxe.krn ${vtdebug_flag}  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 438         boot
 439     else
 440         echo "chain empty failed"
 441         ventoy_pause
 442     fi
 443 }
 444
 445 function legacy_iso_menu_func {
 446
 447     if [ -d (loop)/ ]; then
 448         loopback -d loop
 449     fi
 450
 451     vt_chosen_img_path chosen_path
 452     vt_select_auto_install ${chosen_path}
 453     vt_select_persistence ${chosen_path}
 454
 455     if vt_is_udf ${1}${chosen_path}; then
 456         set ventoy_fs_probe=udf
 457     else
 458         set ventoy_fs_probe=iso9660
 459         vt_iso9660_nojoliet 0
 460     fi
 461
 462     loopback loop ${1}${chosen_path}
 463     get_os_type (loop)
 464
 465     if [ -n "$vtcompat" ]; then
 466         set ventoy_compatible=YES
 467         unset vtcompat
 468     elif vt_check_mode 1; then
 469         set ventoy_compatible=YES
 470     else
 471         vt_check_compatible (loop)
 472     fi
 473
 474     vt_img_sector ${1}${chosen_path}
 475
 476     if [ "$vtoy_os" = "Windows" ]; then
 477         vt_check_compatible_pe (loop)
 478         legacy_windows_menu_func  $1 ${chosen_path}
 479     else
 480         legacy_linux_menu_func  $1 ${chosen_path}
 481     fi
 482 }
 483
 484 function legacy_iso_memdisk {
 485     vt_chosen_img_path chosen_path
 486
 487     linux16   $vtoy_path/memdisk iso raw
 488     echo "Loading ISO file to memory ..."
 489     initrd16  ${1}${chosen_path}
 490     boot
 491 }
 492
 493 function iso_common_menuentry {
 494     if [ "$grub_platform" = "pc" ]; then
 495         if vt_check_mode 0; then
 496             legacy_iso_memdisk $iso_path
 497         else
 498             legacy_iso_menu_func $iso_path
 499         fi
 500     else
 501         if vt_check_mode 0; then
 502             uefi_iso_memdisk $iso_path
 503         else
 504             uefi_iso_menu_func $iso_path
 505         fi
 506     fi
 507 }
 508
 509 function common_unsupport_menuentry {
 510     echo -e "\n The name of the iso file could NOT contain space or non-ascii characters. \n"
 511     echo -e " 文件名中不能有中文或空格 \n"
 512     echo -e "\n Will return to main menu after 10 seconds ...\n"
 513     sleep 10
 514 }
 515
 516 function iso_unsupport_menuentry {
 517     common_unsupport_menuentry
 518 }
 519
 520 function wim_common_menuentry {
 521     vt_chosen_img_path chosen_path
 522     vt_wim_chain_data ${iso_path}${chosen_path}
 523
 524     ventoy_debug_pause
 525
 526     if [ -n "$vtoy_chain_mem_addr" ]; then
 527         if [ "$grub_platform" = "pc" ]; then
 528             linux16   $vtoy_path/ipxe.krn ${vtdebug_flag}  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 529         else
 530             terminal_output  console
 531             chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
 532             terminal_output  gfxterm
 533         fi
 534         boot
 535     else
 536         echo "chain empty failed"
 537         ventoy_pause
 538     fi
 539 }
 540
 541 function wim_unsupport_menuentry {
 542     common_unsupport_menuentry
 543 }
 544
 545 function efi_common_menuentry {
 546     vt_chosen_img_path chosen_path
 547
 548     terminal_output  console
 549     chainloader ${iso_path}${chosen_path}
 550     boot
 551     terminal_output  gfxterm
 552 }
 553
 554 function efi_unsupport_menuentry {
 555     common_unsupport_menuentry
 556 }
 557
 558 #############################################################
 559 #############################################################
 560 #############################################################
 561 #######                 Main Process              ###########
 562 #############################################################
 563 #############################################################
 564 #############################################################
 565
 566 set VENTOY_VERSION="1.0.14"
 567
 568 # Default menu display mode, you can change it as you want.
 569 #    0: List mode
 570 #    1: TreeView mode
 571 set VTOY_DEFAULT_MENU_MODE=0
 572
 573 set VTOY_MEM_DISK_STR="[Memdisk]"
 574 set VTOY_ISO_RAW_STR="Compatible Mode"
 575 set VTOY_ISO_UEFI_DRV_STR="UEFI FS"
 576
 577 set VTOY_F2_CMD="ventoy_power"
 578 set VTOY_F4_CMD="ventoy_localboot"
 579 set VTOY_F5_CMD="ventoy_diagnosis"
 580
 581 if [ "$grub_platform" = "pc" ]; then
 582     set VTOY_TEXT_MENU_VER="Ventoy $VENTOY_VERSION BIOS  www.ventoy.net"
 583 else
 584     set VTOY_TEXT_MENU_VER="Ventoy $VENTOY_VERSION UEFI  www.ventoy.net"
 585 fi
 586
 587 vt_device $root  vtoy_dev
 588
 589 if [ "$vtoy_dev" = "tftp" ]; then
 590     set vtoy_path=($root)
 591     for vtid in 0 1 2 3; do
 592         if [ -d (hd$vtid,2)/ventoy ]; then
 593             set iso_path=(hd$vtid,1)
 594             set vtoy_efi_part=(hd$vtid,2)
 595             break
 596         fi
 597     done
 598     loadfont ascii
 599
 600     if [ -f $iso_path/ventoy/ventoy.json ]; then
 601        set vt_plugin_path=$iso_path
 602     else
 603         set vt_plugin_path=$prefix
 604         vt_load_plugin $vt_plugin_path
 605     fi
 606 else
 607     if [ "$prefix" = "(ventoydisk)/grub" ]; then
 608         set vtoy_path=(ventoydisk)/ventoy
 609     else
 610         set vtoy_path=($root)/ventoy
 611     fi
 612
 613     set iso_path=($vtoy_dev,1)
 614     set vtoy_efi_part=($vtoy_dev,2)
 615     loadfont unicode
 616     set vt_plugin_path=$iso_path
 617 fi
 618
 619
 620 #Load Plugin
 621 if [ -f $iso_path/ventoy/ventoy.json ]; then
 622    vt_load_plugin $iso_path
 623 fi
 624
 625 if [ -n "$VTOY_MENU_TIMEOUT" ]; then
 626     set timeout=$VTOY_MENU_TIMEOUT
 627 else
 628     unset timeout
 629 fi
 630
 631 if [ -f $iso_path/ventoy/ventoy_wimboot.img ]; then
 632     vt_load_wimboot $iso_path/ventoy/ventoy_wimboot.img
 633 elif [ -f $vtoy_efi_part/ventoy/ventoy_wimboot.img ]; then
 634     vt_load_wimboot $vtoy_efi_part/ventoy/ventoy_wimboot.img
 635 fi
 636
 637
 638 if [ $VTOY_DEFAULT_MENU_MODE -eq 0 ]; then
 639     set VTOY_F3_CMD="vt_dynamic_menu 1 1"
 640     set VTOY_HOTKEY_TIP="F1:Memdisk  F2:Power  F3:TreeView  F4:Localboot  F5:Debug"
 641 else
 642     set VTOY_F3_CMD="vt_dynamic_menu 1 0"
 643     set VTOY_HOTKEY_TIP="F1:Memdisk  F2:Power  F3:ListView  F4:Localboot  F5:Debug"
 644 fi
 645
 646
 647 if [ -n "$vtoy_gfxmode" ]; then
 648     set gfxmode=$vtoy_gfxmode
 649 else
 650     set gfxmode=1920x1080,1366x768,1024x768
 651 fi
 652
 653 if [ -n "$vtoy_theme" ]; then
 654     set theme=$vtoy_theme
 655 else
 656     set theme=$prefix/themes/ventoy/theme.txt
 657 fi
 658
 659 if [ "$vtoy_display_mode" = "CLI" ]; then
 660     terminal_output  console
 661 else
 662     terminal_output  gfxterm
 663 fi
 664
 665 #colect all image files (iso files)
 666 set ventoy_img_count=0
 667 vt_list_img $iso_path ventoy_img_count
 668
 669 #Main menu
 670 if [ $ventoy_img_count -gt 0 ]; then
 671     if [ $VTOY_DEFAULT_MENU_MODE -eq 0 ]; then
 672         vt_dynamic_menu 0 0
 673     else
 674         vt_dynamic_menu 0 1
 675     fi
 676 else
 677     if [ -n "$VTOY_NO_ISO_TIP" ]; then
 678         NO_ISO_MENU="No ISO files found, $VTOY_NO_ISO_TIP"
 679     elif [ -n "$VTOY_DEFAULT_SEARCH_ROOT" ]; then
 680         NO_ISO_MENU="No ISO files found, please check VTOY_DEFAULT_SEARCH_ROOT"
 681     else
 682         NO_ISO_MENU="No ISO files found"
 683     fi
 684     menuentry "$NO_ISO_MENU (Press enter to reboot ...)" {
 685         echo -e "\n    Rebooting ... "
 686         reboot
 687     }
 688 fi