initial commit

INSTALL/Ventoy2Disk.sh

@@ -0,0 +1,234 @@
+#!/bin/sh
+
+. ./tool/ventoy_lib.sh
+
+print_usage() {
+    echo 'Usage:  VentoyInstaller.sh OPTION /dev/sdX'
+    echo '  OPTION:'
+    echo '   -i  install ventoy to sdX (fail if disk already installed with ventoy)'
+    echo '   -u  update ventoy in sdX'
+    echo '   -I  force install ventoy to sdX (no matter installed or not)'
+    echo ''
+}
+
+echo ''
+echo '***********************************************************'
+echo '*                Ventoy2Disk Script                       *'
+echo '*             longpanda  admin@ventoy.net                 *'
+echo '***********************************************************'
+echo ''
+
+vtdebug "############# Ventoy2Disk ################"
+
+if ! [ -e ventoy/version ]; then
+    vterr "Please run under the correct directory!"
+    exit 1
+fi
+
+if [ "$1" = "-i" ]; then
+    MODE="install"
+elif [ "$1" = "-I" ]; then
+    MODE="install"
+    FORCE="Y"
+elif [ "$1" = "-u" ]; then
+    MODE="update"
+else
+    print_usage
+    exit 1
+fi
+
+if ! [ -b "$2" ]; then
+    print_usage
+    exit 1
+fi
+
+if [ -z "$SUDO_USER" ]; then
+    if [ "$USER" != "root" ]; then
+        vterr "EUID is $EUID root permission is required."
+        echo ''
+        exit 1
+    fi
+fi
+
+vtdebug "MODE=$MODE FORCE=$FORCE"
+
+#decompress tool
+cd tool
+chmod +x ./xzcat
+for file in $(ls); do
+    if [ "$file" != "xzcat" ]; then
+        if [ "$file" != "ventoy_lib.sh" ]; then
+            ./xzcat $file > ${file%.xz}
+            chmod +x ${file%.xz}
+        fi
+    fi
+done
+cd ../
+
+if ! check_tool_work_ok; then
+    vterr "Some tools can not run in current system. Please check log.txt for detail."
+    exit 1
+fi
+
+
+DISK=$2
+
+if ! [ -b "$DISK" ]; then
+    vterr "Disk $DISK does not exist"
+    exit 1
+fi
+
+
+if [ -e /sys/class/block/${DISK#/dev/}/start ]; then
+    vterr "$DISK is a partition, please use the whole disk"
+    exit 1
+fi
+
+if grep "$DISK" /proc/mounts; then
+    vterr "$DISK is already mounted, please umount it first!"
+    exit 1
+fi
+
+
+if [ "$MODE" = "install" ]; then
+    vtdebug "install ventoy ..."
+    
+    if ! fdisk -v >/dev/null 2>&1; then
+        vterr "fdisk is needed by ventoy installation, but is not found in the system."
+        exit 1
+    fi
+    
+    version=$(get_disk_ventoy_version $DISK)
+    if [ $? -eq 0 ]; then
+        if [ -z "$FORCE" ]; then
+            vtwarn "$DISK already contains a Ventoy with version $version"
+            vtwarn "Use -u option to do a safe upgrade operation."
+            vtwarn "OR if you really want to reinstall ventoy to $DISK, please use -I option."
+            vtwarn ""
+            exit 1
+        fi
+    fi
+    
+    disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size)
+    disk_size_gb=$(expr $disk_sector_num / 2097152)
+
+    if [ $disk_sector_num -gt 4294967296 ]; then
+        vterr "$DISK is over 2TB size, MBR will not work on it."
+        exit 1
+    fi
+
+    #Print disk info
+    echo "Disk : $DISK"
+    parted $DISK p 2>&1 | grep Model
+    echo "Size : $disk_size_gb GB"
+    echo ''
+
+    vtwarn "Attention:"
+    vtwarn "You will install Ventoy to $DISK."
+    vtwarn "All the data on the disk $DISK will be lost!!!"
+    echo ""
+
+    read -p 'Continue? (y/n)'  Answer
+    if [ "$Answer" != "y" ]; then
+        if [ "$Answer" != "Y" ]; then
+            exit 0
+        fi
+    fi
+
+    echo ""
+    vtwarn "All the data on the disk $DISK will be lost!!!"
+    read -p 'Double-check. Continue? (y/n)'  Answer
+    if [ "$Answer" != "y" ]; then
+        if [ "$Answer" != "Y" ]; then
+            exit 0
+        fi
+    fi
+
+
+    if [ $disk_sector_num -le $VENTOY_SECTOR_NUM ]; then  
+        vterr "No enough space in disk $DISK"
+        exit 1
+    fi
+
+    if ! dd if=/dev/zero of=$DISK bs=1 count=512 status=none; then
+        vterr "Write data to $DISK failed, please check whether it's in use."
+        exit 1
+    fi
+
+    format_ventoy_disk $DISK
+
+    # format part1
+    if ventoy_is_linux64; then
+        cmd=./tool/mkexfatfs_64
+    else
+        cmd=./tool/mkexfatfs_32
+    fi
+
+    chmod +x ./tool/*
+
+    # DiskSize > 32GB  Cluster Size use 128KB
+    # DiskSize < 32GB  Cluster Size use 32KB
+    if [ $disk_size_gb -gt 32 ]; then
+        cluster_sectors=256
+    else
+        cluster_sectors=64
+    fi
+
+    $cmd -n ventoy -s $cluster_sectors ${DISK}1
+
+    dd status=none if=./boot/boot.img of=$DISK bs=1 count=446 
+    ./tool/xzcat ./boot/core.img.xz | dd status=none of=$DISK bs=512 count=2047 seek=1
+    ./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start_sector
+
+
+    chmod +x ./tool/vtoy_gen_uuid
+    ./tool/vtoy_gen_uuid | dd status=none of=${DISK} seek=384 bs=1 count=16
+
+    sync
+
+    echo ""
+    vtinfo "Install Ventoy to $DISK successfully finished."
+    echo ""
+    
+else
+    vtdebug "update ventoy ..."
+    
+    oldver=$(get_disk_ventoy_version $DISK)
+    if [ $? -ne 0 ]; then
+        vtwarn "$DISK does not contain ventoy or data corupted"
+        echo ""
+        vtwarn "Please use -i option if you want to install ventoy to $DISK"
+        echo ""
+        exit 1
+    fi
+
+    curver=$(cat ./ventoy/version)
+
+    vtinfo "Upgrade operation is safe, all the data in the 1st partition (iso files and other) will be unchanged!"
+    echo ""
+
+    read -p "Update Ventoy  $oldver ===> $curver   Continue? (y/n)"  Answer
+    if [ "$Answer" != "y" ]; then
+        if [ "$Answer" != "Y" ]; then
+            exit 0
+        fi
+    fi
+
+    PART2=$(get_disk_part_name $DISK 2)
+    
+    dd status=none if=./boot/boot.img of=$DISK bs=1 count=446 
+    
+    ./tool/xzcat ./boot/core.img.xz | dd status=none of=$DISK bs=512 count=2047 seek=1  
+
+    disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size) 
+    part2_start=$(expr $disk_sector_num - $VENTOY_SECTOR_NUM)
+    ./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start
+
+    sync
+
+    echo ""
+    vtinfo "Update Ventoy to $DISK successfully finished."
+    echo ""
+    
+fi
+

INSTALL/grub/grub.cfg

@@ -0,0 +1,359 @@
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+function get_os_type {
+    set vtoy_os=Linux    
+    for file in "efi/microsoft" "sources/boot.wim" "boot/bcd" "bootmgr.efi" "boot/etfsboot.com"; do
+        if [ -e $1/$file ]; then
+            set vtoy_os=Windows
+            break
+        fi
+    done
+    
+    if [ -n "${vtdebug_flag}" ]; then
+        echo ISO is $vtoy_os
+    fi
+}
+
+function locate_initrd {    
+    vt_linux_locate_initrd 
+
+    if [ -n "${vtdebug_flag}" ]; then
+        vt_linux_dump_initrd
+        sleep 5
+    fi
+}
+
+function find_wim_file {
+    unset ventoy_wim_file
+    
+    for file in "sources/boot.wim" "sources/BOOT.WIM" "Sources/Win10PEx64.WIM" "boot/BOOT.WIM" "winpe_x64.wim"; do
+        if [ -e $1/$file ]; then
+            set ventoy_wim_file=$1/$file
+            break
+        fi
+    done
+}
+
+function distro_specify_initrd_file {
+    if [ -e (loop)/boot/all.rdz ]; then
+        vt_linux_specify_initrd_file /boot/all.rdz
+    elif [ -e (loop)/boot/xen.gz ]; then 
+        if [ -e (loop)/install.img ]; then
+            vt_linux_specify_initrd_file /install.img
+        fi
+    elif [ -d (loop)/casper ]; then 
+        if [ -e (loop)/casper/initrd ]; then
+            vt_linux_specify_initrd_file /casper/initrd
+        fi
+        if [ -e (loop)/casper/initrd-oem ]; then
+            vt_linux_specify_initrd_file /casper/initrd-oem
+        fi
+    fi
+}
+
+function uefi_windows_menu_func {
+    vt_windows_reset
+    
+    if [ "$ventoy_compatible" = "NO" ]; then        
+        find_wim_file (loop)
+        if [ -n "$ventoy_wim_file" ]; then
+            vt_windows_locate_wim $ventoy_wim_file
+        fi
+    fi
+    
+    vt_windows_chain_data ${1}${chosen_path}
+
+    if [ -n "$vtoy_chain_mem_addr" ]; then
+        terminal_output  console       
+        chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
+        boot
+    else
+        echo "chain empty failed"
+        sleep 5
+    fi
+}
+
+function uefi_linux_menu_func {
+    if [ "$ventoy_compatible" = "NO" ]; then    
+        vt_load_cpio  ${vtoy_path}/ventoy.cpio
+
+        vt_linux_clear_initrd
+        
+        for file in "boot/grub/grub.cfg" "EFI/BOOT/grub.cfg" "EFI/boot/grub.cfg" "efi/boot/grub.cfg" "EFI/BOOT/BOOTX64.conf"; do
+            if [ -e (loop)/$file ]; then
+                vt_linux_parse_initrd_grub  file  (loop)/$file
+            fi
+        done
+        
+        vt_linux_initrd_count initrd_count
+        
+        # special process for special distros
+        if vt_cmp $initrd_count eq 0; then   
+            if [ -d (loop)/loader/entries ]; then
+                set LoadIsoEfiDriver=on
+                vt_linux_parse_initrd_grub  dir  (loop)/loader/entries/
+            elif [ -d (loop)/boot/grub ]; then
+                vt_linux_parse_initrd_grub  dir  (loop)/boot/grub/
+            fi
+        fi
+        
+        vt_linux_initrd_count initrd_count
+        if vt_cmp $initrd_count eq 0; then   
+            distro_specify_initrd_file
+        fi
+        
+        locate_initrd
+    fi
+    
+    vt_linux_chain_data ${1}${chosen_path}
+
+    if [ -n "$vtoy_chain_mem_addr" ]; then
+        terminal_output  console       
+        chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
+        boot
+    else
+        echo "chain empty failed"
+        sleep 5
+    fi
+}
+
+
+function uefi_iso_menu_func {
+
+    if [ -d (loop)/ ]; then
+        loopback -d loop
+    fi
+
+    unset LoadIsoEfiDriver
+   
+    vt_chosen_img_path chosen_path
+
+    if vt_is_udf ${1}${chosen_path}; then
+        set ventoy_fs_probe=udf
+    else
+        set ventoy_fs_probe=iso9660
+    fi
+
+    loopback loop ${1}${chosen_path}
+    get_os_type (loop)
+    
+    vt_check_compatible (loop)
+    
+    vt_img_sector ${1}${chosen_path}
+    
+    if [ "$vtoy_os" = "Windows" ]; then
+        uefi_windows_menu_func  $1
+    else
+        uefi_linux_menu_func  $1
+    fi
+
+    terminal_output  gfxterm    
+}
+
+function legacy_windows_menu_func {
+    vt_windows_reset
+    
+    if [ "$ventoy_compatible" = "NO" ]; then                
+        find_wim_file (loop)
+        if [ -n "$ventoy_wim_file" ]; then
+            vt_windows_locate_wim $ventoy_wim_file
+        elif [ -n "${vtdebug_flag}" ]; then
+            echo No wim file found
+        fi
+    fi
+       
+    vt_windows_chain_data ${1}${chosen_path}
+    
+    if [ -n "${vtdebug_flag}" ]; then
+        sleep 5
+    fi
+    
+    if [ -n "$vtoy_chain_mem_addr" ]; then
+        linux16   $vtoy_path/ipxe.krn ${vtdebug_flag} ibft
+        initrd16  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}        
+        boot
+    else
+        echo "chain empty failed"
+        sleep 5
+    fi
+}
+
+function legacy_linux_menu_func {
+    if [ "$ventoy_compatible" = "NO" ]; then
+    
+        vt_load_cpio  $vtoy_path/ventoy.cpio
+
+        vt_linux_clear_initrd
+                
+        for dir in "isolinux" "boot/isolinux" "boot/x86_64/loader" "syslinux" "boot/syslinux"; do
+            if [ -d (loop)/$dir ]; then
+                vt_linux_parse_initrd_isolinux   (loop)/$dir/
+            fi
+        done
+        
+        vt_linux_initrd_count initrd_count
+        
+        # special process for special distros
+        if vt_cmp $initrd_count eq 0; then   
+            #archlinux
+            if [ -d (loop)/arch/boot/syslinux ]; then
+                vt_linux_parse_initrd_isolinux   (loop)/arch/boot/syslinux/  /arch/
+                vt_linux_parse_initrd_isolinux   (loop)/arch/boot/syslinux/  /arch/boot/syslinux/
+                
+            #manjaro
+            elif [ -d (loop)/manjaro ]; then
+                if [ -e (loop)/boot/grub/kernels.cfg ]; then
+                    vt_linux_parse_initrd_grub  file  (loop)/boot/grub/kernels.cfg
+                fi
+            elif [ -e (loop)/boot/grub/grub.cfg ]; then                
+                vt_linux_parse_initrd_grub  file  (loop)/boot/grub/grub.cfg
+            fi
+        fi
+        
+        vt_linux_initrd_count initrd_count
+        if vt_cmp $initrd_count eq 0; then   
+            distro_specify_initrd_file
+        fi
+        
+        locate_initrd
+    fi
+    
+    vt_linux_chain_data ${1}${chosen_path}
+    
+    if [ -n "${vtdebug_flag}" ]; then
+        sleep 5
+    fi
+    
+    if [ -n "$vtoy_chain_mem_addr" ]; then        
+        linux16   $vtoy_path/ipxe.krn ${vtdebug_flag}
+        initrd16  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}        
+        boot
+    else
+        echo "chain empty failed"
+        sleep 5
+    fi
+}
+
+function legacy_iso_menu_func {
+
+    if [ -d (loop)/ ]; then
+        loopback -d loop
+    fi
+
+    vt_chosen_img_path chosen_path
+
+    if vt_is_udf ${1}${chosen_path}; then
+        set ventoy_fs_probe=udf
+    else
+        set ventoy_fs_probe=iso9660
+    fi   
+
+    loopback loop ${1}${chosen_path}
+    
+    get_os_type (loop)
+    
+    vt_check_compatible (loop)
+    
+    vt_img_sector ${1}${chosen_path}
+   
+    if [ "$vtoy_os" = "Windows" ]; then
+        legacy_windows_menu_func  $1
+    else
+        legacy_linux_menu_func  $1
+    fi
+}
+
+
+
+
+
+#############################################################
+#############################################################
+#############################################################
+#######                 Main Process              ###########
+#############################################################
+#############################################################
+#############################################################
+
+set VENTOY_VERSION="1.0.00"
+
+#disable timeout
+unset timeout
+
+vt_device $root  vtoy_dev
+
+if [ "$vtoy_dev" = "tftp" ]; then
+    set vtoy_path=($root)    
+    for vtid in 0 1 2 3; do
+        if [ -d (hd$vtid,2)/grub ]; then
+            set iso_path=(hd$vtid,1)
+            break
+        fi
+    done
+else
+    set vtoy_path=($root)/ventoy    
+    set iso_path=($vtoy_dev,1)
+fi
+
+loadfont ascii
+
+if [ -f $iso_path/ventoy/ventoy.json ]; then
+   vt_load_plugin $iso_path
+fi
+
+terminal_output  gfxterm
+
+if [ -n "$vtoy_theme" ]; then
+    set theme=$vtoy_theme
+else
+    set theme=$prefix/themes/ventoy/theme.txt
+fi
+
+if [ -n "$vtoy_gfxmode" ]; then
+    set gfxmode=$vtoy_gfxmode
+else
+    set gfxmode=1024x768
+fi
+
+#colect all image files (iso files)
+set ventoy_img_count=0
+vt_list_img $iso_path ventoy_img_count
+
+#Dynamic menu for every iso file
+if vt_cmp $ventoy_img_count ne 0; then
+    set imgid=0
+    while vt_cmp $imgid lt $ventoy_img_count; do       
+        vt_img_name $imgid img_name
+        menuentry "$img_name" {  
+            if [ "$grub_platform" = "pc" ]; then
+                legacy_iso_menu_func $iso_path
+            else
+                uefi_iso_menu_func $iso_path                
+            fi            
+        }
+        
+        vt_incr imgid 1
+    done
+else
+    menuentry "No ISO files found (Press enter to reboot ...)" {
+        echo -e "\n    Rebooting ... "
+        reboot
+    }
+fi
+

INSTALL/grub/themes/ventoy/theme.txt

@@ -0,0 +1,50 @@
+
+desktop-image: "background.png"
+title-text: " "
+title-font: "ascii"
+title-color: "#ffffff"
+message-font: "ascii"
+message-color: "#f2f2f2"
+
+terminal-box: "terminal_box_*.png"
+
++ boot_menu {
+  left = 10%
+  width = 80%
+  top = 30%
+  height = 50%
+
+  menu_pixmap_style = "menu_*.png"
+
+  item_font = "ascii"  
+  item_color = "#ffffff"  
+  item_height = 30
+  item_icon_space = 1
+  item_spacing = 1
+  item_padding = 1
+
+  selected_item_font = "ascii"
+  selected_item_color= "#f2f2f2"
+  selected_item_pixmap_style = "select_*.png"
+
+  #icon_height = 30
+  #icon_width = 30
+
+  scrollbar = true
+  scrollbar_width = 10
+  scrollbar_thumb = "slider_*.png"
+}
+
++ progress_bar {
+  id = "__timeout__"
+  text = "@TIMEOUT_NOTIFICATION_SHORT@"
+
+  left = 95%
+  width = 48
+  top = 95%
+  height = 48
+
+  text_color = "#f2f2f2"
+  bar_style = "*"
+  highlight_style = "*"
+}

INSTALL/tool/ventoy_lib.sh

@@ -0,0 +1,289 @@
+#!/bin/sh
+
+#Ventoy partition 32MB
+VENTOY_PART_SIZE=33554432
+VENTOY_SECTOR_SIZE=512
+VENTOY_SECTOR_NUM=65536
+
+ventoy_false() {
+    [ "1" = "2" ]
+}
+
+ventoy_true() {
+    [ "1" = "1" ]
+}
+
+ventoy_is_linux64() {
+    if [ -e /lib64 ]; then
+        ventoy_true
+        return
+    fi
+    
+    if [ -e /usr/lib64 ]; then
+        ventoy_true
+        return
+    fi
+    
+    if uname -a | egrep -q 'x86_64|amd64'; then
+        ventoy_true
+        return
+    fi
+    
+    ventoy_false
+}
+
+ventoy_is_dash() {
+    if [ -L /bin/sh ]; then
+        vtdst=$(readlink /bin/sh)
+        if [ "$vtdst" = "dash" ]; then
+            ventoy_true
+            return
+        fi
+    fi 
+    ventoy_false
+}
+
+vtinfo() {
+    if ventoy_is_dash; then
+        echo "\033[32m$*\033[0m"
+    else
+        echo -e "\033[32m$*\033[0m"
+    fi
+}
+
+vtwarn() {
+    if ventoy_is_dash; then
+        echo "\033[33m$*\033[0m"
+    else
+        echo -e "\033[33m$*\033[0m"
+    fi
+}
+
+
+vterr() {
+    if ventoy_is_dash; then
+        echo "\033[31m$*\033[0m"
+    else
+        echo -e "\033[31m$*\033[0m"
+    fi
+}
+
+vtdebug() {
+    echo "$*" >> ./log.txt
+}
+
+check_tool_work_ok() {
+    
+    if ventoy_is_linux64; then
+        vtdebug "This is linux 64"
+        mkexfatfs=mkexfatfs_64
+        vtoyfat=vtoyfat_64
+    else
+        vtdebug "This is linux 32"
+        mkexfatfs=mkexfatfs_32
+        vtoyfat=vtoyfat_32
+    fi
+    
+    if echo 1 | ./tool/hexdump > /dev/null; then
+        vtdebug "hexdump test ok ..."
+    else
+        vtdebug "hexdump test fail ..."
+        ventoy_false
+        return
+    fi
+   
+    if ./tool/$mkexfatfs -V > /dev/null; then
+        vtdebug "$mkexfatfs test ok ..."
+    else
+        vtdebug "$mkexfatfs test fail ..."
+        ventoy_false
+        return
+    fi
+    
+    if ./tool/$vtoyfat -T; then
+        vtdebug "$vtoyfat test ok ..."
+    else
+        vtdebug "$vtoyfat test fail ..."
+        ventoy_false
+        return
+    fi
+    
+    vtdebug "tool check success ..."
+    ventoy_true
+}
+
+
+get_disk_part_name() {
+    DISK=$1
+    
+    if echo $DISK | grep -q "/dev/loop"; then
+        echo ${DISK}p${2}
+    elif echo $DISK | grep -q "/dev/nvme[0-9][0-9]*n[0-9]"; then
+        echo ${DISK}p${2}
+    else
+        echo ${DISK}${2}
+    fi
+}
+
+
+get_ventoy_version_from_cfg() {
+    if grep -q 'set.*VENTOY_VERSION=' $1; then
+        grep 'set.*VENTOY_VERSION=' $1 | awk -F'"' '{print $2}'
+    else
+        echo 'none'
+    fi
+}
+
+is_disk_contains_ventoy() {
+    DISK=$1
+    
+    PART1=$(get_disk_part_name $1 1)  
+    PART2=$(get_disk_part_name $1 2)  
+    
+    if [ -e /sys/class/block/${PART2#/dev/}/size ]; then    
+        SIZE=$(cat /sys/class/block/${PART2#/dev/}/size)
+    else
+        SIZE=0
+    fi
+
+    if ! [ -b $PART1 ]; then
+        vtdebug "$PART1 not exist"
+        ventoy_false
+        return
+    fi
+    
+    if ! [ -b $PART2 ]; then
+        vtdebug "$PART2 not exist"
+        ventoy_false
+        return
+    fi
+    
+    PART2_TYPE=$(dd if=$DISK bs=1 count=1 skip=466 status=none | ./tool/hexdump -n1 -e  '1/1 "%02X"')
+    if [ "$PART2_TYPE" != "EF" ]; then
+        vtdebug "part2 type is $PART2_TYPE not EF"
+        ventoy_false
+        return
+    fi
+    
+    PART1_TYPE=$(dd if=$DISK bs=1 count=1 skip=450 status=none | ./tool/hexdump -n1 -e  '1/1 "%02X"')
+    if [ "$PART1_TYPE" != "07" ]; then
+        vtdebug "part1 type is $PART2_TYPE not 07"
+        ventoy_false
+        return
+    fi
+    
+    if [ -e /sys/class/block/${PART1#/dev/}/start ]; then
+        PART1_START=$(cat /sys/class/block/${PART1#/dev/}/start)
+    fi
+    
+    if [ "$PART1_START" != "2048" ]; then
+        vtdebug "part1 start is $PART1_START not 2048"
+        ventoy_false
+        return
+    fi 
+    
+    if [ "$VENTOY_SECTOR_NUM" != "$SIZE" ]; then
+        vtdebug "part2 size is $SIZE not $VENTOY_SECTOR_NUM"
+        ventoy_false
+        return
+    fi
+    
+    ventoy_true
+}
+
+get_disk_ventoy_version() {
+
+    if ! is_disk_contains_ventoy $1; then
+        ventoy_false
+        return
+    fi
+    
+    PART2=$(get_disk_part_name $1 2)    
+    
+    if ventoy_is_linux64; then
+        cmd=./tool/vtoyfat_64
+    else
+        cmd=./tool/vtoyfat_32
+    fi
+    
+    ParseVer=$($cmd $PART2)
+    if [ $? -eq 0 ]; then
+        vtdebug "Ventoy version in $PART2 is $ParseVer"
+        echo $ParseVer
+        ventoy_true
+        return
+    fi
+    
+    ventoy_false
+}
+
+
+format_ventoy_disk() {
+    DISK=$1
+    PART2=$(get_disk_part_name $DISK 2)
+    
+    sector_num=$(cat /sys/block/${DISK#/dev/}/size)
+    
+    part1_start_sector=2048
+    part1_end_sector=$(expr $sector_num - $VENTOY_SECTOR_NUM - 1)
+    export part2_start_sector=$(expr $part1_end_sector + 1)
+    part2_end_sector=$(expr $sector_num - 1)
+
+    if [ -e $PART2 ]; then
+        echo "delete $PART2"
+        rm -f $PART2
+    fi
+
+    echo ""
+    echo "Create partitions on $DISK ..."
+    
+fdisk $DISK >/dev/null 2>&1 <<EOF
+o
+n
+p
+1
+$part1_start_sector
+$part1_end_sector
+n
+p
+2
+$part2_start_sector
+$part2_end_sector
+t
+1
+7
+t
+2
+ef
+a
+2
+w
+EOF
+    
+    echo "Done"
+    udevadm trigger >/dev/null 2>&1
+    partprobe >/dev/null 2>&1
+    sleep 3
+
+
+    echo 'mkfs on disk partitions ...'
+    while ! [ -e $PART2 ]; do
+        echo "wait $PART2 ..."
+        sleep 1
+    done
+
+    echo "create efi fat fs ..."
+    for i in 0 1 2 3 4 5 6 7 8 9; do
+        if mkfs.vfat -F 16 -n EFI $PART2; then
+            echo 'success'
+            break
+        else
+            echo "$? retry ..."
+            sleep 2
+        fi
+    done
+}
+
+
+
+