Rewrite of card scripts completely

Reduce the card specific code to what's needed. Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
2018-10-02 09:58:24 +02:00
parent 3cc5a3b448
commit ca5f873b08
18 changed files with 773 additions and 541 deletions
--- a/scripts/include/card-helpers.inc
+++ b/scripts/include/card-helpers.inc
@@ -0,0 +1,279 @@
+#! /bin/bash
+
+# card-helpers.inc
+# (c) Copyright 2018 Andreas Müller <schnitzeltony@gmail.com>
+# Licensed under terms of GPLv2
+#
+# This script contains some helper functions and can be sourced by other 
+# scripts
+
+# SelectCardDevice() creates a dialog to select one of all available removable
+# devices. The path to the selected device is stored in the variale DevicePath.
+SelectCardDevice() {
+    if [ -z "$DevicePath" ]; then
+        iCount=0
+        for dev in /dev/sd[a-z] ; do
+            DeviceFile=`basename $dev`
+            # we are only interested in removable devices
+            if [ `cat  /sys/block/$DeviceFile/removable` = '1' ] && [ `cat  /sys/block/$DeviceFile/size` -gt "0" ]; then
+                iCount=`expr $iCount + 1`
+                DevicePathArr[${iCount}]=$dev
+                # pretify display
+                secondline=
+                display=
+                IFS=$'\n'
+                for line in `lsblk --raw --noheadings --output NAME,LABEL,MODEL $dev` ; do
+                    # a bug in lsblk?
+                    line=`echo $line | sed 's:\\\x20: :g'`
+                    if [ "x$secondline" = "x" ]; then
+                        # first line - it is for device
+                        secondline="1"
+                        display="$line"
+                    else
+                        if [ "x$secondline" = "x1" ]; then
+                            secondline="2"
+                            # second line - header + partition
+                            display="$display / partitions: $line"
+                         else
+                            # second line - separator + partition
+                            display="$display + $line"
+                        fi
+                    fi
+                done
+                display=`echo $display | sed 's:  : :g'`
+                display=`echo $display | sed 's:  : :g'`
+                display=`echo $display | sed 's:  : :g'`
+                
+                unset IFS
+                menuitems+=( "$iCount" "$display" )
+            fi
+        done
+	    
+        if [ $iCount -eq 0 ]; then
+            ErrorOut 'No removable devices found!'
+        fi
+
+        dialog --title 'Select card device'\
+            --menu 'Move using [UP] [DOWN],[Enter] to select' 10 100 $iCount\
+            "${menuitems[@]}"\
+            2>/tmp/menuitem.$$
+
+        # get OK/Cancel
+        sel=$?
+        # get selected menuitem
+        menuitem=`cat /tmp/menuitem.$$`
+        rm -f /tmp/menuitem.$$
+
+        # Cancel Button or <ESC>
+        if [ $sel -eq 1 -o $sel -eq 255 ] ; then
+            ErrorOut 'Cancel selected at SelectCardDevice().'
+        fi
+        DevicePath=${DevicePathArr[$menuitem]}
+    fi
+}
+
+# SelectDeployedFile() opens a dialog to select file containing rootfs/kernel/...
+# It expects one parameter which contains find parameters e.g for raspberrypi:
+# '-name *.rpi-sdimg -type l'.
+# Output variables:
+# DeployedFile: The file selected
+# DeployFileDir: Path of the file selected
+SelectDeployedFile() {
+    if [ -z "$DeployedFile" ]; then
+        # OE environment found?
+        if [ -z "$BUILDDIR" ]; then
+            ErrorOut "The environment variable BUILDDIR is not set. It is usually set before running bitbake."
+        fi
+        iCount=0
+        strSelection=
+        for grep_result in `grep -h TMPDIR $BUILDDIR/conf/*.conf | sed -e s/' '/''/g -e s/'\"'/''/g`; do
+            # exclude comments
+            tmp_dir=`echo $grep_result | grep '^TMPDIR='`
+            if [ ! -z "$tmp_dir" ]; then
+                OeTmpDir=`echo $tmp_dir | sed -e s/'TMPDIR='/''/g`
+            fi
+        done
+        for BuildPath in ${OeTmpDir}-*; do
+            for i in `find ${BuildPath}/deploy/images/${Machine} $FindString | sort` ; do
+                iCount=`expr $iCount + 1`
+                RootFileNameArr[${iCount}]=$i
+                strSelection="$strSelection $iCount "`basename $i`
+            done
+        done
+
+        # were files found?
+        if [ $iCount -eq 0 ]; then
+            ErrorOut "No files found in ${OeTmpDir}-\* matching $FindString"
+        fi
+
+        dialog --title 'Select rootfs'\
+            --menu 'Move using [UP] [DOWN],[Enter] to select' 30 100 $iCount\
+            ${strSelection}\
+            2>/tmp/menuitem.$$
+
+        # get OK/Cancel
+        sel=$?
+        # get selected menuitem
+        menuitem=`cat /tmp/menuitem.$$`
+        rm -f /tmp/menuitem.$$
+
+        # Cancel Button or <ESC>
+        if [ $sel -eq 1 -o $sel -eq 255 ] ; then
+            ErrorOut "Cancel selected at SelectDeployedFile()."
+        fi
+        DeployedFile=${RootFileNameArr[$menuitem]}
+    fi
+    DeployFileDir=`dirname $DeployedFile`
+
+    # Now that we know the file, exact_machine can be set without wildcards
+    Machine=`basename $DeployFileDir`
+}
+
+SelectSuSudo() {
+    # Select su/sudo
+    dialog --title 'Select how you want to logon as root'\
+        --menu 'Move using [UP] [DOWN],[Enter] to select' 10 100 2 1 su 2 sudo \
+        2>/tmp/menuitem.$$
+
+    # get OK/Cancel
+    sel=$?
+    # get selected menuitem
+    menuitem=`cat /tmp/menuitem.$$`
+    rm -f /tmp/menuitem.$$
+
+    # Cancel Button or <ESC>
+    if [ $sel -eq 1 -o $sel -eq 255 ] ; then
+        ErrorOut "Cancel selected at SelectSuSudo()."
+    fi
+}
+
+SelectInOut() {
+    # DevicePath for target card
+    SelectCardDevice
+
+    # select rootfs source
+    SelectDeployedFile
+}
+
+# EnsureUnmount() tests if a device partition is mounted. If so partition is
+# unmounted. Device name is expected in first parameter.
+EnsureUnmount() {
+    # check if the card is currently mounted
+    MOUNTSTR=$(mount | grep $1)
+    if [ -n "$MOUNTSTR" ] ; then
+        echo -e "\n$1 is mounted. Unmounting..."
+        umount -f ${1}?*
+        echo "${style_green}Unmount done${style_normal}"
+    fi
+}
+
+# PrepareWrite performs actions required before data write can start:
+# * Check if source and destination locations are valid
+# * Extract source path to variable DeployFileDir
+# * eventually unmount destination
+# The following variables are expected:
+# * DevicePath: destination block-device e.g '/dev/sdc'
+# * DeployedFile (optional): source file (rootfs/kernel/..)
+PrepareWrite() {
+    # device node valid?
+    if [ ! -b "${DevicePath}" ] ; then
+        ErrorOut "$DevicePath is not a valid block device!"
+    fi
+
+    if [ -n "${DeployedFile}" ] ; then
+        # rootfs/kernel valid?
+        if [ ! -e "${DeployedFile}" ] ; then
+            ErrorOut "$DeployedFile can not be found!"
+        fi
+    fi
+    EnsureUnmount $DevicePath
+}
+
+# RunUserStartRoot() tests if we are running as root. If not, it calls SelectInOut. It expects
+# SelectInOut to leave the required parameters for root call in variable RootParams.
+# After this it asks user how to log on as root. Then the main script is started
+# as root.
+RunUserStartRoot() {
+    # we are not already root?
+    if [ ! $( id -u ) -eq 0 ]; then
+        SelectInOut
+        SelectSuSudo
+
+        # prepare passing params to root-run - make sure they have same
+        # signature as loaded at the end of this file
+        RootParams="$DevicePath $DeployedFile $DeployFileDir $Machine $FindString $KernelImageType"
+        
+        # dialog's gui is done here
+        clear
+        echo
+        if [ "x$1" = "x" ] ; then
+            # No message text passed: use standard
+            echo "${style_bold}All data currenly stored on $DevicePath will be overwritten!${style_normal}"
+        else
+            # Use message text passed
+            echo $1 | sed "s|\%DevicePath\%|$DevicePath|"
+        fi
+
+        if [ $menuitem -eq 1 ]; then
+            echo -e "\nEnter valid root password if you are sure you want to continue"
+            # Call this prog as root
+            exec su -c "${0} $RootParams"
+        else
+            echo -e "\nEnter valid sudo password if you are sure you want to continue"
+            sudo -k
+            # Call this prog as root
+            exec sudo ${0} $RootParams
+        fi
+        # sice we're 'execing' above, we wont reach this exit unless something
+        # goes wrong.
+        ErrorOut "RunUserStartRoot() should not have reached here!"
+    fi
+}
+
+StartCardWrite() {
+    # If not set on call - get defaults from machine.inc
+    if [ -z "$Machine" ]; then
+        Machine="$DEFAULT_MACHINE_FAMILY"
+    fi
+    if [ -z "$FindString" ]; then
+        FindString="$DEFAULT_FIND_ROOTFS"
+    fi
+
+    RunUserStartRoot
+    PrepareWrite
+    RootCardWriteCallback
+}
+
+StartCardKernelWrite() {
+    # If not set on call - get defaults from machine.inc
+    if [ -z "$Machine" ]; then
+        Machine="$DEFAULT_MACHINE_FAMILY"
+    fi
+    if [ -z "$FindString" ]; then
+        FindString="$DEFAULT_FIND_KERNEL"
+    fi
+    if [ -z "$KernelImageType" ]; then
+        KernelImageType="$DEFAULT_KERNEL_IMAGE_TYPE"
+    fi
+
+    RunUserStartRoot "${style_bold}The kernel images on %DevicePath% will be overwritten!${style_normal}"
+    PrepareWrite
+    RootCardKernelWriteCallback
+}
+
+
+# check common prerequisites
+CheckPrerequisite "dialog"
+CheckPrerequisite "lsblk"
+
+# For user call the first two params can be set optionally - the first
+# target/source dialogs won't be displayed then
+DevicePath=$1
+DeployedFile=$2
+# For root call all params are mandatory
+if [ $( id -u ) -eq 0 ]; then
+    DeployFileDir=$3
+    Machine=$4
+    FindString=$5
+    KernelImageType=$6
+fi
--- a/scripts/include/common-helpers.inc
+++ b/scripts/include/common-helpers.inc
@@ -0,0 +1,54 @@
+#! /bin/bash
+
+# common-helpers.inc
+# (c) Copyright 2018 Andreas Müller <schnitzeltony@gmail.com>
+# Licensed under terms of GPLv2
+#
+# This script contains some helper functions and can be sourced by other 
+# scripts
+
+# set terminal styles
+# are we on terrminal?
+if [ -t 1 ] ; then
+    # tput available?
+    if [ ! "x`which tput 2>/dev/null`" = "x" ] ; then
+        # supports colors ?
+        ncolors=`tput colors`
+        if [ -n "$ncolors" -a  $ncolors -ge 8 ] ; then
+            style_bold="`tput bold`"
+            style_underline="`tput smul`"
+            style_standout="`tput smso`"
+            style_normal="`tput sgr0`"
+            style_black="`tput setaf 0`"
+            style_red="`tput setaf 1`"
+            style_green="`tput setaf 2`"
+            style_yellow="`tput setaf 3`"
+            style_blue="`tput setaf 4`"
+            style_magenta="`tput setaf 5`"
+            style_cyan="`tput setaf 6`"
+            style_white="`tput setaf 7`"
+        fi
+    fi
+fi
+
+# base tempdir
+base_tempdir=`mktemp -u`
+base_tempdir=`dirname "$base_tempdir"`
+
+# ErrorOut outputs error text in first param and exits script
+ErrorOut() {
+    clear
+    echo "${style_red}${style_bold}${1}${style_normal}"
+    echo
+    exit -1
+}
+
+# CheckPrerequisite checks if required hosttool is found on host. In case not
+# it outputs a message and exits script.
+CheckPrerequisite() {
+    if [ "x`which $1 2>/dev/null`" = "x" ] ; then
+        ErrorOut "You need to install $1 first!"
+    fi
+}
+
+
--- a/scripts/include/machine-imx.inc
+++ b/scripts/include/machine-imx.inc
@@ -0,0 +1,95 @@
+#! /bin/bash
+
+# machine-imx.inc
+# (c) Copyright 2018 Andreas Müller <schnitzeltony@gmail.com>
+# Licensed under terms of GPLv2
+#
+# This script contains settings and callbacks for NXP imx boards
+
+# default settings
+DEFAULT_MACHINE_FAMILY='*imx*'
+DEFAULT_FIND_ROOTFS='-name *.sdcard -o -name *.wic.gz -type l'
+DEFAULT_KERNEL_IMAGE_TYPE='uImage'
+DEFAULT_FIND_KERNEL="-name ${DEFAULT_KERNEL_IMAGE_TYPE}-abiversion-* -type l"
+
+# callback for card-write
+RootCardWriteCallback() {
+    # rootfs write/resize to card fit
+    time(
+        # write
+        echo "Write $DeployedFile to $DevicePath..."
+        if echo $DeployedFile | grep -q '.wic.gz'; then
+            gunzip -c $DeployedFile | dd of=$DevicePath bs=1024K
+        else
+            dd of=$DevicePath if=$DeployedFile bs=1024K
+        fi
+        sync
+        echo "${style_green}Write done.${style_normal}"
+        # resize
+	    echo "Resize ${DevicePath}2..."
+        parted -s $DevicePath -- resizepart 2 -0
+        resize2fs "${DevicePath}2"
+        echo "${style_green}Resize done.${style_normal}"
+     )
+}
+
+# callback for card-kernel-write
+RootCardKernelWriteCallback() {
+    tmpdir=`mktemp -d`
+
+    # initial kernel
+    mount ${DevicePath}1 $tmpdir || exit 1
+    echo "Write initial kernel and devicetrees to boot partition..."
+    rm -f $tmpdir/${KernelImageType}*
+    cp -f $DeployedFile $tmpdir/$KernelImageType
+    # devicetrees
+    rm -f $tmpdir/*.dtb
+    for dtb in `find ${DeployFileDir} -name "${KernelImageType}*.dtb" -type l`; do
+        dtbname=`basename $dtb | sed 's:'${KernelImageType}'-::'`
+        cp -f $dtb $tmpdir/${dtbname}
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    echo "Unmount boot partition..."
+    sleep 1
+    umount ${DevicePath}1 || exit 1
+    echo "${style_green}Unmount done.${style_normal}"
+
+    # rootfs/boot
+    mount ${DevicePath}2 $tmpdir || exit 1
+    echo "Write kernel to rootfs..."
+    rm -f $tmpdir/boot/${KernelImageType}*
+    KernelWithAbiName=`basename $DeployedFile | sed -e 's:-abiversion-::'`
+    cp $DeployedFile $tmpdir/boot/$KernelWithAbiName
+    ln -sf $KernelWithAbiName $tmpdir/boot/$KernelImageType
+    echo "${style_green}Write done.${style_normal}"
+
+    # rootfs/lib/modules
+    echo "Write modules to rootfs..."
+    kernel_abi_ver=`echo $KernelWithAbiName | sed 's:'${KernelImageType}'::g'`
+    for modules in `find ${DeployFileDir} -name "modules-${Machine}.tgz"`; do
+        tar xvzf ${modules} -C $tmpdir/
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # run depmod (stolen from dempodwrapper)
+    sys_map=`realpath ${DeployFileDir}/../../../pkgdata/${Machine}/kernel-depmod/System.map-$kernel_abi_ver`
+    echo "Run depmod on modules..."
+    depmod -a -b $tmpdir -F "$sys_map" "$kernel_abi_ver"
+    echo "${style_green}Run done.${style_normal}"
+
+    # cleanup
+    echo "Unmount rootfs partition..."
+    umount ${DevicePath}2 || exit 1
+    echo "${style_green}Unmount done.${style_normal}"
+    rm -rf $tmpdir
+}
+
+
+CheckPrerequisite "time"
+CheckPrerequisite "gunzip"
+CheckPrerequisite "dd"
+CheckPrerequisite "parted"
+CheckPrerequisite "resize2fs"
+CheckPrerequisite "depmod"
+
--- a/scripts/include/machine-raspberrypi.inc
+++ b/scripts/include/machine-raspberrypi.inc
@@ -0,0 +1,103 @@
+#! /bin/bash
+
+# machine-raspberrypi.inc
+# (c) Copyright 2018 Andreas Müller <schnitzeltony@gmail.com>
+# Licensed under terms of GPLv2
+#
+# This script contains settings and callbacks fir raspberrypi boards
+
+# default settings
+DEFAULT_MACHINE_FAMILY='raspberrypi*'
+DEFAULT_FIND_ROOTFS='-name *.rpi-sdimg -type l'
+DEFAULT_KERNEL_IMAGE_TYPE='Image'
+DEFAULT_FIND_KERNEL="-name ${DEFAULT_KERNEL_IMAGE_TYPE}-abiversion-* -type l"
+
+# callback for card-write
+RootCardWriteCallback() {
+    # rootfs write/resize to card fit
+    time(
+        # write
+        echo "Write $DeployedFile to $DevicePath..."
+        dd of=$DevicePath if=$DeployedFile bs=1024K
+        sync
+        echo "${style_green}Write done.${style_normal}"
+        echo "Resize ${DevicePath}2..."
+        parted -s $DevicePath -- resizepart 2 -0
+        resize2fs "${DevicePath}2"
+        echo "${style_green}Resize done.${style_normal}"
+    )
+}
+
+# callback for card-kernel-write
+RootCardKernelWriteCallback() {
+    tmpdir=`mktemp -d`
+
+    # initial kernel / devicetrees
+    mount ${DevicePath}1 $tmpdir || exit 1
+    echo "Write initial kernel and devicetrees to boot partition..."
+    # kernel (REVISIT for aarch64)
+    cp -f $DeployedFile $tmpdir/kernel7.img
+    # devicetrees
+    rm -f $tmpdir/*.dtb
+    for dtb in `find ${DeployFileDir} -name "bcm27*.dtb"`; do
+        cp -f $dtb $tmpdir/
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # devicetree overlays
+    echo "Write devicetree-overlays to boot partition..."
+    rm -f $tmpdir/overlays/*.dtbo
+    for dtbo in `find ${DeployFileDir} -name "*.dtbo"`; do
+        bname=`basename $dtbo`
+        if ! echo "${bname}" | grep -q 'Image-'; then
+            cp -f ${dtbo} $tmpdir/overlays/
+        fi
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # TODO bootfiles?
+    echo "Unmount boot partition..."
+    sleep 1
+    umount ${DevicePath}1 || exit 1
+    echo "${style_green}Unmount done.${style_normal}"
+
+
+    # rootfs/boot
+    mount ${DevicePath}2 $tmpdir || exit 1
+    echo "Write kernel to rootfs..."
+    rm -f $tmpdir/boot/${KernelImageType}*
+    KernelFileName=`basename $DeployedFile`
+    cp $DeployedFile $tmpdir/boot/
+    ln -sf $KernelFileName $tmpdir/boot/$KernelImageType
+    echo "${style_green}Write done.${style_normal}"
+
+    # rootfs/lib/modules
+    echo "Write modules to rootfs..."
+    kernel_abi_ver=`echo $KernelFileName | sed 's:'${KernelImageType}'-::g'`
+    rm -rf $tmpdir/lib/modules/$kernel_abi_ver
+    for modules in `find ${DeployFileDir} -name "modules-${Machine}.tgz"`; do
+        tar xvzf ${modules} -C $tmpdir/
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # run depmod (stolen from dempodwrapper)
+    sys_map=`realpath ${DeployFileDir}/../../../pkgdata/${Machine}/kernel-depmod/System.map-$kernel_abi_ver`
+    echo "Run depmod on modules..."
+    depmod -a -b $tmpdir -F "$sys_map" "$kernel_abi_ver"
+    echo "${style_green}Run done.${style_normal}"
+
+    # cleanup
+    echo "Unmount rootfs partition..."
+    umount ${DevicePath}2 || exit 1
+    echo "${style_green}Unmount done.${style_normal}"
+    rm -rf $tmpdir
+}
+
+
+CheckPrerequisite "time"
+CheckPrerequisite "gunzip"
+CheckPrerequisite "dd"
+CheckPrerequisite "parted"
+CheckPrerequisite "resize2fs"
+CheckPrerequisite "depmod"
+
--- a/scripts/include/machine-ti-old-omap.inc
+++ b/scripts/include/machine-ti-old-omap.inc
@@ -0,0 +1,118 @@
+#! /bin/bash
+
+# machine-ti-old-omap.inc
+# (c) Copyright 2018 Andreas Müller <schnitzeltony@gmail.com>
+# Licensed under terms of GPLv2
+#
+# This script contains settings and callbacks fir raspberrypi boards
+
+# default settings
+DEFAULT_MACHINE_FAMILY=''
+DEFAULT_FIND_ROOTFS='-name *.rootfs.tar.bz2 -type l'
+DEFAULT_KERNEL_IMAGE_TYPE='Image'
+DEFAULT_FIND_KERNEL="-name ${DEFAULT_KERNEL_IMAGE_TYPE}-abiversion-* -type l"
+
+# callback for card-write
+RootCardWriteCallback() {
+    tmpdir=`mktemp -d`
+
+    # bootloaders and environment
+    echo "Writing bootloaders and environment to boot partition"
+    mount ${DevicePath}1 $tmpdir || exit 1
+    rm -rf $tmpdir/*
+    if [ -e ${DeployFileDir}/MLO ] ; then
+        cp ${DeployFileDir}/MLO $tmpdir/MLO
+    fi
+    cp ${DeployFileDir}/u-boot.img $tmpdir/u-boot.img
+    if [ -e ${DeployFileDir}/uEnv.txt ] ; then
+        cp ${DeployFileDir}/uEnv.txt $tmpdir
+    fi
+    sleep 1
+    umount ${DevicePath}1 || exit 1
+
+    # rootfs
+    time(
+        mount ${DevicePath}2 $tmpdir || exit 1
+        rm -rf $tmpdir/*
+        cd $tmpdir
+        tar xvjf $DeployedFile
+        cd ..
+        umount ${DevicePath}2 || exit 1
+    )
+    rm -rf $tmpdir
+}
+
+# callback for card-kernel-write
+RootCardKernelWriteCallback() {
+    # TODO
+    tmpdir=`mktemp -d`
+
+    # initial kernel / devicetrees
+    mount ${DevicePath}1 $tmpdir || exit 1
+    echo "Write initial kernel and devicetrees to boot partition..."
+    # kernel (REVISIT for aarch64)
+    cp -f $DeployedFile $tmpdir/kernel7.img
+    # devicetrees
+    rm -f $tmpdir/*.dtb
+    for dtb in `find ${DeployFileDir} -name "bcm27*.dtb"`; do
+        cp -f $dtb $tmpdir/
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # devicetree overlays
+    echo "Write devicetree-overlays to boot partition..."
+    rm -f $tmpdir/overlays/*.dtbo
+    for dtbo in `find ${DeployFileDir} -name "*.dtbo"`; do
+        bname=`basename $dtbo`
+        if ! echo "${bname}" | grep -q 'Image-'; then
+            cp -f ${dtbo} $tmpdir/overlays/
+        fi
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # TODO bootfiles?
+    echo "Unmount boot partition..."
+    sleep 1
+    umount ${DevicePath}1 || exit 1
+    echo "${style_green}Unmount done.${style_normal}"
+
+
+    # rootfs/boot
+    mount ${DevicePath}2 $tmpdir || exit 1
+    echo "Write kernel to rootfs..."
+    rm -f $tmpdir/boot/${KernelImageType}*
+    KernelFileName=`basename $DeployedFile`
+    cp $DeployedFile $tmpdir/boot/
+    ln -sf $KernelFileName $tmpdir/boot/$KernelImageType
+    echo "${style_green}Write done.${style_normal}"
+
+    # rootfs/lib/modules
+    echo "Write modules to rootfs..."
+    kernel_abi_ver=`echo $KernelFileName | sed 's:'${KernelImageType}'-::g'`
+    rm -rf $tmpdir/lib/modules/$kernel_abi_ver
+    for modules in `find ${DeployFileDir} -name "modules-${Machine}.tgz"`; do
+        tar xvzf ${modules} -C $tmpdir/
+    done
+    echo "${style_green}Write done.${style_normal}"
+
+    # run depmod (stolen from dempodwrapper)
+    sys_map=`realpath ${OeTmpDir}/pkgdata/${Machine}/kernel-depmod/System.map-$kernel_abi_ver`
+    echo "Run depmod on modules..."
+    depmod -a -b $tmpdir -F "$sys_map" "$kernel_abi_ver"
+    echo "${style_green}Run done.${style_normal}"
+
+    # cleanup
+    echo "Unmount rootfs partition..."
+    umount ${DevicePath}2 || exit 1
+    echo "${style_green}Unmount done.${style_normal}"
+    rm -rf $tmpdir
+}
+
+
+CheckPrerequisite "time"
+CheckPrerequisite "gunzip"
+CheckPrerequisite "dd"
+CheckPrerequisite "parted"
+CheckPrerequisite "resize2fs"
+CheckPrerequisite "depmod"
+