diff --git a/devicemodel/samples/up2/launch_uos.sh b/devicemodel/samples/up2/launch_uos.sh
new file mode 100755
index 000000000..134202ed6
--- /dev/null
+++ b/devicemodel/samples/up2/launch_uos.sh
@@ -0,0 +1,450 @@
+#!/bin/bash
+
+
+kernel_version=$(uname -r | awk -F. '{ printf("%d.%d", $1,$2) }')
+
+ipu_passthrough=0
+
+# Check the device file of /dev/vbs_ipu to determine the IPU mode
+if [ ! -e "/dev/vbs_ipu" ]; then
+ipu_passthrough=1
+fi
+
+audio_passthrough=0
+
+# Check the device file of /dev/vbs_k_audio to determine the audio mode
+if [ ! -e "/dev/vbs_k_audio" ]; then
+audio_passthrough=1
+fi
+
+cse_passthrough=0
+hbm_ver=`cat /sys/class/mei/mei0/hbm_ver`
+major_ver=`echo $hbm_ver | cut -d '.' -f1`
+minor_ver=`echo $hbm_ver | cut -d '.' -f2`
+if [[ "$major_ver" -lt "2" ]] || \
+   [[ "$major_ver" == "2" && "$minor_ver" -lt "2" ]]; then
+    cse_passthrough=1
+fi
+
+function launch_clearlinux()
+{
+if [ ! -f "/data/$5/$5.img" ]; then
+  echo "no /data/$5/$5.img, exit"
+  exit
+fi
+
+#vm-name used to generate uos-mac address
+mac=$(cat /sys/class/net/en*/address)
+vm_name=vm$1
+vm_name=${vm_name}-${mac:9:8}
+
+# create a unique tap device for each VM
+tap=tap_$6
+tap_exist=$(ip a | grep acrn_"$tap" | awk '{print $1}')
+if [ "$tap_exist"x != "x" ]; then
+  echo "tap device existed, reuse acrn_$tap"
+else
+  ip tuntap add dev acrn_$tap mode tap
+fi
+
+# if acrn-br0 exists, add VM's unique tap device under it
+br_exist=$(ip a | grep acrn-br0 | awk '{print $1}')
+if [ "$br_exist"x != "x" -a "$tap_exist"x = "x" ]; then
+  echo "acrn-br0 bridge aleady exists, adding new tap device to it..."
+  ip link set acrn_"$tap" master acrn-br0
+  ip link set dev acrn_"$tap" down
+  ip link set dev acrn_"$tap" up
+fi
+
+#check if the vm is running or not
+vm_ps=$(pgrep -a -f acrn-dm)
+result=$(echo $vm_ps | grep "${vm_name}")
+if [[ "$result" != "" ]]; then
+  echo "$vm_name is running, can't create twice!"
+  exit
+fi
+
+#for VT-d device setting
+modprobe pci_stub
+echo "8086 5aaa" > /sys/bus/pci/drivers/pci-stub/new_id
+echo "0000:00:15.1" > /sys/bus/pci/devices/0000:00:15.1/driver/unbind
+echo "0000:00:15.1" > /sys/bus/pci/drivers/pci-stub/bind
+
+boot_ipu_option=""
+if [ $ipu_passthrough == 1 ];then
+    # for ipu passthrough - ipu device 0:3.0
+    if [ -d "/sys/bus/pci/devices/0000:00:03.0" ]; then
+        echo "8086 5a88" > /sys/bus/pci/drivers/pci-stub/new_id
+        echo "0000:00:03.0" > /sys/bus/pci/devices/0000:00:03.0/driver/unbind
+        echo "0000:00:03.0" > /sys/bus/pci/drivers/pci-stub/bind
+        boot_ipu_option="$boot_ipu_option"" -s 12,passthru,0/3/0 "
+    fi
+
+    # for ipu passthrough - ipu related i2c 0:16.0
+    # please use virtual slot 22 for i2c 0:16.0 to make sure that the i2c controller
+    # could get the same virtaul BDF as physical BDF
+    if [ -d "/sys/bus/pci/devices/0000:00:16.0" ]; then
+        echo "8086 5aac" > /sys/bus/pci/drivers/pci-stub/new_id
+        echo "0000:00:16.0" > /sys/bus/pci/devices/0000:00:16.0/driver/unbind
+        echo "0000:00:16.0" > /sys/bus/pci/drivers/pci-stub/bind
+        boot_ipu_option="$boot_ipu_option"" -s 22,passthru,0/16/0 "
+    fi
+else
+    boot_ipu_option="$boot_ipu_option"" -s 21,virtio-ipu "
+fi
+
+boot_cse_option=""
+if [ $cse_passthrough == 1 ]; then
+    echo "8086 5a9a" > /sys/bus/pci/drivers/pci-stub/new_id
+    echo "0000:00:0f.0" > /sys/bus/pci/devices/0000:00:0f.0/driver/unbind
+    echo "0000:00:0f.0" > /sys/bus/pci/drivers/pci-stub/bind
+    boot_cse_option="$boot_cse_option"" -s 15,passthru,0/0f/0 "
+else
+    boot_cse_option="$boot_cse_option"" -s 15,virtio-heci,0/0f/0 "
+fi
+
+# for sd card passthrough - SDXC/MMC Host Controller 00:1c.0
+# echo "8086 5acc" > /sys/bus/pci/drivers/pci-stub/new_id
+# echo "0000:00:1c.0" > /sys/bus/pci/devices/0000:00:1c.0/driver/unbind
+# echo "0000:00:1c.0" > /sys/bus/pci/drivers/pci-stub/bind
+
+#for memsize setting, total 8GB(>7.5GB) uos->6GB, 4GB(>3.5GB) uos->2GB
+memsize=`cat /proc/meminfo|head -n 1|awk '{print $2}'`
+if [ $memsize -gt 7500000 ];then
+    mem_size=6G
+elif [ $memsize -gt 3500000 ];then
+    mem_size=2G
+else
+    mem_size=1750M
+fi
+
+if [ "$setup_mem" != "" ];then
+    mem_size=$setup_mem
+fi
+
+boot_dev_flag=",b"
+if [ $7 == 1 ];then
+  boot_image_option="--vsbl /usr/share/acrn/bios/VSBL_debug.bin"
+else
+  boot_image_option="--vsbl /usr/share/acrn/bios/VSBL.bin"
+fi
+
+#interrupt storm monitor for pass-through devices, params order: 
+#threshold/s,probe-period(s),intr-inject-delay-time(ms),delay-duration(ms)
+intr_storm_monitor="--intr_monitor 10000,10,1,100"
+
+acrn-dm --help 2>&1 | grep 'GVT args'
+if [ $? == 0 ];then
+  GVT_args=$3
+  boot_GVT_option=" -s 0:2:0,pci-gvt -G "
+else
+  boot_GVT_option=''
+  GVT_args=''
+fi
+
+
+acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
+  -s 5,virtio-console,@pty:pty_port \
+  -s 6,virtio-hyper_dmabuf \
+  -s 8,wdt-i6300esb \
+  -s 3,virtio-blk$boot_dev_flag,/data/$5/$5.img \
+  -s 4,virtio-net,$tap $boot_image_option \
+  -s 7,xhci,1-1:1-2:1-3:2-1:2-2:2-3:cap=apl \
+  -s 9,passthru,0/15/1 \
+  $boot_cse_option \
+  $intr_storm_monitor \
+  $boot_ipu_option      \
+  -i /run/acrn/ioc_$vm_name,0x20 \
+  -l com2,/run/acrn/ioc_$vm_name \
+  -B "root=/dev/vda2 rw rootwait maxcpus=$2 nohpet console=hvc0 \
+  console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
+  consoleblank=0 tsc=reliable i915.avail_planes_per_pipe=$4 i915.enable_guc_loading=0 \
+  i915.enable_hangcheck=0 i915.nuclear_pageflip=1 \
+  i915.enable_guc_submission=0 i915.enable_guc=0" $vm_name
+}
+
+function launch_android()
+{
+if [ ! -f "/data/$5/$5.img" ]; then
+  echo "no /data/$5/$5.img, exit"
+  exit
+fi
+
+#vm-name used to generate uos-mac address
+mac=$(cat /sys/class/net/en*/address)
+vm_name=vm$1
+vm_name=${vm_name}-${mac:9:8}
+
+# create a unique tap device for each VM
+tap=tap_$6
+tap_exist=$(ip a | grep acrn_"$tap" | awk '{print $1}')
+if [ "$tap_exist"x != "x" ]; then
+  echo "tap device existed, reuse acrn_$tap"
+else
+  ip tuntap add dev acrn_$tap mode tap
+fi
+
+# if acrn-br0 exists, add VM's unique tap device under it
+br_exist=$(ip a | grep acrn-br0 | awk '{print $1}')
+if [ "$br_exist"x != "x" -a "$tap_exist"x = "x" ]; then
+  echo "acrn-br0 bridge aleady exists, adding new tap device to it..."
+  ip link set acrn_"$tap" master acrn-br0
+  ip link set dev acrn_"$tap" down
+  ip link set dev acrn_"$tap" up
+fi
+
+#Use MMC name + serial for ADB serial no., same as native android
+mmc_name=`cat /sys/block/mmcblk0/device/name`
+mmc_serial=`cat /sys/block/mmcblk0/device/serial | sed -n 's/^..//p'`
+ser=$mmc_name$mmc_serial
+
+#check if the vm is running or not
+vm_ps=$(pgrep -a -f acrn-dm)
+result=$(echo $vm_ps | grep "${vm_name}")
+if [[ "$result" != "" ]]; then
+  echo "$vm_name is running, can't create twice!"
+  exit
+fi
+
+#for VT-d device setting
+modprobe pci_stub
+echo "8086 5aaa" > /sys/bus/pci/drivers/pci-stub/new_id
+echo "0000:00:15.1" > /sys/bus/pci/devices/0000:00:15.1/driver/unbind
+echo "0000:00:15.1" > /sys/bus/pci/drivers/pci-stub/bind
+
+#for audio device
+boot_audio_option=""
+if [ $audio_passthrough == 1 ]; then
+    echo "8086 5a98" > /sys/bus/pci/drivers/pci-stub/new_id
+    echo "0000:00:0e.0" > /sys/bus/pci/devices/0000:00:0e.0/driver/unbind
+    echo "0000:00:0e.0" > /sys/bus/pci/drivers/pci-stub/bind
+
+    #for audio codec
+    echo "8086 5ab4" > /sys/bus/pci/drivers/pci-stub/new_id
+    echo "0000:00:17.0" > /sys/bus/pci/devices/0000:00:17.0/driver/unbind
+    echo "0000:00:17.0" > /sys/bus/pci/drivers/pci-stub/bind
+
+    boot_audio_option="-s 14,passthru,0/e/0,keep_gsi -s 23,passthru,0/17/0"
+else
+    boot_audio_option="-s 14,virtio-audio"
+fi
+# # for sd card passthrough - SDXC/MMC Host Controller 00:1b.0
+# echo "8086 5acc" > /sys/bus/pci/drivers/pci-stub/new_id
+# echo "0000:00:1c.0" > /sys/bus/pci/devices/0000:00:1c.0/driver/unbind
+# echo "0000:00:1c.0" > /sys/bus/pci/drivers/pci-stub/bind
+
+# Check if the NPK device/driver is present
+ls -d /sys/bus/pci/drivers/intel_th_pci/0000* 2>/dev/null 1>/dev/null
+if [ $? == 0 ];then
+  npk_virt="-s 0:0:2,npk,8/24"
+else
+  npk_virt=""
+fi
+
+# WA for USB role switch hang issue, disable runtime PM of xHCI device
+echo on > /sys/devices/pci0000:00/0000:00:15.0/power/control
+
+boot_ipu_option=""
+if [ $ipu_passthrough == 1 ];then
+    # for ipu passthrough - ipu device 0:3.0
+    if [ -d "/sys/bus/pci/devices/0000:00:03.0" ]; then
+        echo "8086 5a88" > /sys/bus/pci/drivers/pci-stub/new_id
+        echo "0000:00:03.0" > /sys/bus/pci/devices/0000:00:03.0/driver/unbind
+        echo "0000:00:03.0" > /sys/bus/pci/drivers/pci-stub/bind
+        boot_ipu_option="$boot_ipu_option"" -s 12,passthru,0/3/0 "
+    fi
+
+    # for ipu passthrough - ipu related i2c 0:16.0
+    # please use virtual slot 22 for i2c 0:16.0 to make sure that the i2c controller
+    # could get the same virtaul BDF as physical BDF
+    if [ -d "/sys/bus/pci/devices/0000:00:16.0" ]; then
+        echo "8086 5aac" > /sys/bus/pci/drivers/pci-stub/new_id
+        echo "0000:00:16.0" > /sys/bus/pci/devices/0000:00:16.0/driver/unbind
+        echo "0000:00:16.0" > /sys/bus/pci/drivers/pci-stub/bind
+        boot_ipu_option="$boot_ipu_option"" -s 22,passthru,0/16/0 "
+    fi
+else
+    boot_ipu_option="$boot_ipu_option"" -s 21,virtio-ipu "
+fi
+
+boot_cse_option=""
+if [ $cse_passthrough == 1 ]; then
+    echo "8086 5a9a" > /sys/bus/pci/drivers/pci-stub/new_id
+    echo "0000:00:0f.0" > /sys/bus/pci/devices/0000:00:0f.0/driver/unbind
+    echo "0000:00:0f.0" > /sys/bus/pci/drivers/pci-stub/bind
+    boot_cse_option="$boot_cse_option"" -s 15,passthru,0/0f/0 "
+else
+    boot_cse_option="$boot_cse_option"" -s 15,virtio-heci,0/0f/0 "
+fi
+
+#for memsize setting, total 8GB(>7.5GB) uos->6GB, 4GB(>3.5GB) uos->2GB
+memsize=`cat /proc/meminfo|head -n 1|awk '{print $2}'`
+if [ $memsize -gt 7500000 ];then
+    mem_size=6G
+elif [ $memsize -gt 3500000 ];then
+    mem_size=2G
+else
+    mem_size=1750M
+fi
+
+if [ "$setup_mem" != "" ];then
+    mem_size=$setup_mem
+fi
+
+kernel_cmdline_generic="maxcpus=$2 nohpet tsc=reliable intel_iommu=off \
+   androidboot.serialno=$ser \
+   i915.enable_rc6=1 i915.enable_fbc=1 i915.enable_guc_loading=0 i915.avail_planes_per_pipe=$4 \
+   i915.enable_hangcheck=0 use_nuclear_flip=1 i915.enable_guc_submission=0 i915.enable_guc=0"
+
+boot_dev_flag=",b"
+if [ $7 == 1 ];then
+  boot_image_option="--vsbl /usr/share/acrn/bios/VSBL_debug.bin"
+else
+  boot_image_option="--vsbl /usr/share/acrn/bios/VSBL.bin"
+fi
+kernel_cmdline="$kernel_cmdline_generic"
+
+: '
+select right virtual slots for acrn_dm:
+1. some passthru device need virtual slot same as physical, like audio 0:e.0 at
+virtual #14 slot, so "-s 14,passthru,0/e/0"
+2. acrn_dm share vioapic irq between some virtual slots: like 6&14, 7&15. Need
+guarantee no virt irq sharing for each passthru device.
+FIXME: picking a virtual slot (#24 now) which is level-triggered to make sure
+audio codec passthrough working
+3. the bootable device slot is configured in compile stating in Android Guest
+image, it should be kept using 3 as fixed value for Android Guest on Gordon_peak
+ACRN project
+'
+
+#interrupt storm monitor for pass-through devices, params order: 
+#threshold/s,probe-period(s),intr-inject-delay-time(ms),delay-duration(ms)
+intr_storm_monitor="--intr_monitor 10000,10,1,100"
+
+acrn-dm --help 2>&1 | grep 'GVT args'
+if [ $? == 0 ];then
+  GVT_args=$3
+  boot_GVT_option=" -s 2,pci-gvt -G "
+else
+  boot_GVT_option=''
+  GVT_args=''
+fi
+
+ acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio $npk_virt\
+   -s 9,virtio-net,$tap \
+   -s 3,virtio-blk$boot_dev_flag,/data/$5/$5.img \
+   -s 7,xhci,1-1:1-2:1-3:2-1:2-2:2-3:cap=apl \
+   -s 8,passthru,0/15/1 \
+   -s 13,virtio-rpmb \
+   -s 10,virtio-hyper_dmabuf \
+   -s 11,wdt-i6300esb \
+   $boot_audio_option \
+   $boot_cse_option \
+   $intr_storm_monitor \
+   $boot_ipu_option      \
+   -i /run/acrn/ioc_$vm_name,0x20 \
+   -l com2,/run/acrn/ioc_$vm_name \
+   $boot_image_option \
+   --enable_trusty \
+   -B "$kernel_cmdline" $vm_name
+}
+
+function launch_alios()
+{
+#AliOS is not Android, only has same configuration currently, reuse launch function
+
+launch_android "$@"
+}
+
+function help()
+{
+echo "Use luanch_uos.sh like that ./launch_uos.sh -V <#>"
+echo "The option -V means the UOSs group to be launched by vsbl as below"
+echo "-V 1 means just launching 1 clearlinux UOS"
+echo "-V 2 means just launching 1 android UOS"
+echo "-V 3 means launching 1 clearlinux UOS + 1 android UOS"
+echo "-V 4 means launching 2 clearlinux UOSs"
+echo "-V 5 means just launching 1 alios UOS"
+echo "-V 6 means auto check android/linux/alios UOS; if exist, launch it"
+}
+
+launch_type=1
+debug=0
+
+while getopts "V:M:hd" opt
+do
+	case $opt in
+		V) launch_type=$[$OPTARG]
+			;;
+		M) setup_mem=$OPTARG
+			;;
+		d) debug=1
+			;;
+		h) help
+			exit 1
+			;;
+		?) help
+			exit 1
+			;;
+	esac
+done
+
+if [ ! -b "/dev/mmcblk0p3" ]; then
+  echo "no /dev/mmcblk0p3 data partition, exit"
+  exit
+fi
+
+mkdir -p /data
+mount /dev/mmcblk0p3 /data
+
+if [ $launch_type == 6 ]; then
+	if [ -f "/data/android/android.img" ]; then
+	  launch_type=2;
+	elif [ -f "/data/alios/alios.img" ]; then
+	  launch_type=5;
+	else
+	  launch_type=1;
+	fi
+fi
+
+# offline SOS CPUs except BSP before launch UOS
+for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
+        online=`cat $i/online`
+        idx=`echo $i | tr -cd "[1-99]"`
+        echo cpu$idx online=$online
+        if [ "$online" = "1" ]; then
+                echo 0 > $i/online
+		online=`cat $i/online`
+		# during boot time, cpu hotplug may be disabled by pci_device_probe during a pci module insmod
+		while [ "$online" = "1" ]; do
+			sleep 1
+			echo 0 > $i/online
+			online=`cat $i/online`
+		done
+                echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
+        fi
+done
+
+case $launch_type in
+	1) echo "Launch clearlinux UOS"
+		launch_clearlinux 1 1 "64 448 8" 0x070F00 clearlinux "LaaG" $debug
+		;;
+	2) echo "Launch android UOS"
+		launch_android 1 1 "64 448 8" 0x070F00 android "AaaG" $debug
+		;;
+	3) echo "Launch clearlinux UOS + android UOS"
+		launch_android 1 2 "64 448 4" 0x00000C android "AaaG" $debug &
+		sleep 5
+		launch_clearlinux 2 1 "64 448 4" 0x070F00 clearlinux "LaaG" $debug
+		;;
+	4) echo "Launch two clearlinux UOSs"
+		launch_clearlinux 1 1 "64 448 4" 0x00000C clearlinux "L1aaG" $debug &
+		sleep 5
+		launch_clearlinux 2 1 "64 448 4" 0x070F00 clearlinux_dup "L2aaG" $debug
+		;;
+	5) echo "Launch alios UOS"
+		launch_alios 1 3 "64 448 8" 0x070F00 alios "AliaaG" $debug
+		;;
+esac
+
+umount /data
diff --git a/devicemodel/samples/up2/sos_bootargs_debug.txt b/devicemodel/samples/up2/sos_bootargs_debug.txt
new file mode 100644
index 000000000..f5e73c31f
--- /dev/null
+++ b/devicemodel/samples/up2/sos_bootargs_debug.txt
@@ -0,0 +1,22 @@
+module_blacklist=dwc3_pci
+no_timer_check
+console=tty0
+console=ttyS0
+loglevel=7
+consoleblank=0
+root=/dev/mmcblk0p1 rw rootwait
+i915.nuclear_pageflip=1
+i915.enable_initial_modeset=1
+i915.avail_planes_per_pipe=0x01010F
+i915.domain_plane_owners=0x011111110000
+i915.enable_gvt=1
+i915.enable_guc=0x02
+video=DP-1:d
+video=DP-2:d
+hvlog=2M@0x6de00000
+cma=64M@0-
+memmap=0x400000$0x6da00000
+ramoops.mem_address=0x6da00000
+ramoops.mem_size=0x400000
+ramoops.console_size=0x200000
+reboot_panic=p,w
diff --git a/devicemodel/samples/up2/sos_bootargs_release.txt b/devicemodel/samples/up2/sos_bootargs_release.txt
new file mode 100644
index 000000000..87ff84056
--- /dev/null
+++ b/devicemodel/samples/up2/sos_bootargs_release.txt
@@ -0,0 +1,16 @@
+module_blacklist=dwc3_pci
+no_timer_check
+console=tty0
+console=ttyS0
+loglevel=7
+consoleblank=0
+root=/dev/mmcblk0p1 rw rootwait
+i915.nuclear_pageflip=1
+i915.enable_initial_modeset=1
+i915.avail_planes_per_pipe=0x01010F
+i915.domain_plane_owners=0x011111110000
+i915.enable_gvt=1
+i915.enable_guc=0x02
+video=DP-1:d
+video=DP-2:d
+cma=64M@0-