OK335xS-Android pack-ubi-256M.sh hacking

 #/*******************************************************************************
 # *                  OK335xS-Android pack-ubi-256M.sh hacking
 # *  声明：
 # *      1. 本文解析仅仅是为了知道pack-ubi-256M.sh自动生成ubi文件系统的原理
 # *      2. 本文在网页上可能不好阅读，最好cp一份在其他文本编辑器中阅读
 # *                                    2015-6-4 晴 深圳 南山平山村 曾剑锋
 # ******************************************************************************/

 # /bin/sh

 ANDROID_PATH=`pwd`                                   # get android root path
 KERNEL_PATH=$ANDROID_PATH/kernel                     # get android kernel path
 UBOOT_PATH=$ANDROID_PATH/u-boot                      # get android u-boot path
 echo "start make rootfs.tar.bz2......"               # show start message
 cd $ANDROID_PATH/out/target/product/am335xevm        # change directory to out path
 rm -rf android_rootfs                                # remove android_rootfs directory
 mkdir android_rootfs                                 # make directory for android_rootfs
 cp -rf root/* android_rootfs                         # cp all file to android_rootfs directory from root directory
 cp -rf data android_rootfs/                          # cp data directory to android_rootfs directory
 cp -rf system android_rootfs/                        # cp system directory to android_rootfs directory
 cp -rf $ANDROID_PATH/vendor/busybox android_rootfs/system/bin                         # cp busybox as a shell command
 cp -rf $ANDROID_PATH/RowboPerf/RowboPerf_libs/armeabi/* android_rootfs/system/lib     # cp RowboPerf armeabi lib as system lib
 cp -rf $ANDROID_PATH/RowboPerf/Zeroxbench_bins/armeabi/* android_rootfs/system/bin    # cp RowboPerf armeabi bin as system bin
 cp -rf $ANDROID_PATH/RowboPerf/*.apk android_rootfs/data/app                          # cp RowboPerf apk as data spp
 cd android_rootfs/data                               # change directory to android_rootfs/data
 mkdir data                                           # make directory for data
 cd $ANDROID_PATH/out/target/product/am335xevm        # change directory to out path
 chown 1000:1000 android_rootfs/data/app -R           # change file own
 chmod 775 android_rootfs/data/app                    # change file mode of app
 chmod 777 android_rootfs/data/data                   # change file mode of data
 ../../../../build/tools/mktarball.sh ../../../host/linux-x86/bin/fs_get_stats android_rootfs . rootfs rootfs.tar.bz2 # create a tar file
 sleep 2
 cp -rf rootfs.tar.bz2 $ANDROID_PATH/mkubifs                         # cp rootfs.tar.bz2 to mkubifs directory
 cd  $ANDROID_PATH/mkubifs                                           # go to mkubifs directory
 rm -rf rootfs                                                       # rm -rf rootfs directory
 mkdir rootfs                                                        # make rootfs directory
 tar -jxvf rootfs.tar.bz2 -C rootfs                                  # use tar with -jxvf argument extract files from rootfs.tar.bz2
 ./mkfs.ubifs -F -r rootfs -m 2048 -e 126976 -c 1866 -o ubifs.img    # create the ubifs image
 # ubinize.cfg                                              |
 #     [ubifs]                                              |
 #     mode=ubi                                             |
 #     image=ubifs.img    <---------------------------------+
 #     vol_id=0
 #     vol_size=220MiB
 #     vol_type=dynamic
 #     vol_name=rootfs
 #     vol_flags=autoresize
 ./ubinize -o ubi.img -O 2048 -m 2048 -p 128KiB -s 2048 ubinize.cfg    # create the ubi image
 sleep 2
 echo " make end"                                                      # show work end

 cd  $ANDROID_PATH                                                     # goto android root path
 cp $KERNEL_PATH/arch/arm/boot/uImage temp                             # cp uImage to temp directory
 #cp $UBOOT_PATH/MLO temp                                              # cp MLO to temp directory
 #cp $UBOOT_PATH/u-boot.img temp                                       # cp u-boot.img to temp directory
 cp $ANDROID_PATH/mkubifs/ubi.img temp                                 # cp ubi.img to temp directory

 cp $KERNEL_PATH/arch/arm/boot/uImage mmc-android-ubifs/Boot_Images    # cp uImage to mmc-android-ubifs/Boot_Images
 #cp $UBOOT_PATH/MLO mmc-android-ubifs/Boot_Images                     # cp MLO to temp directory
 #cp $UBOOT_PATH/u-boot.img mmc-android-ubifs/Boot_Images              # cp u-boot.img to temp directory
 cp $ANDROID_PATH/mkubifs/ubi.img mmc-android-ubifs/Filesystem         # cp ubi.img to temp directory
 echo "pack complete"