+#!/ventoy/busybox/sh
+#************************************************************************************
+# 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/>.
+#
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+if is_ventoy_hook_finished; then
+ exit 0
+fi
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+
+ventoy_os_install_dmsetup_by_ko() {
+ vtlog "ventoy_os_install_dmsetup_by_ko $1"
+
+ vtVer=$(uname -r)
+ if uname -m | $GREP -q 64; then
+ vtBit=64
+ else
+ vtBit=32
+ fi
+
+ ventoy_extract_vtloopex $1 kerio
+ vtLoopExDir=$VTOY_PATH/vtloopex/kerio/vtloopex
+
+ if [ -e $vtLoopExDir/dm-mod/$vtVer/$vtBit/dm-mod.ko.xz ]; then
+ $BUSYBOX_PATH/xz -d $vtLoopExDir/dm-mod/$vtVer/$vtBit/dm-mod.ko.xz
+ insmod $vtLoopExDir/dm-mod/$vtVer/$vtBit/dm-mod.ko
+ fi
+}
+
+
+wait_for_usb_disk_ready
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+ vtlog "ventoy disk not found"
+ PATH=$VTPATH_OLD
+ exit 0
+fi
+
+if echo $vtdiskname | $EGREP -q "nvme|mmc|nbd"; then
+ ventoy_os_install_dmsetup_by_ko "${vtdiskname}p2"
+else
+ ventoy_os_install_dmsetup_by_ko "${vtdiskname}2"
+fi
+
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+
+vtlog "/dev/$vtDM"
+mount -t iso9660 /dev/$vtDM /cdrom
+modprobe squashfs
+echo "/dev/$vtDM" > /ventoy/vtDM
+
+PATH=$VTPATH_OLD
+
+set_ventoy_hook_finish