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1. Flash the BB image in SD card
2. Use Gparted to get the ext3 partitions extended to 2GB
3. Right Click on un-allocated -> New -> type 2GB in the field "New size"
4. Right click on un-allocated partition -> New -> add [Remaining all size]
5. Apply all operations -> Apply
6. Video image should be present in the host machine
7. sudo sh extract.sh <video-image file>
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mkdir -p extblock
fdisk -u -l $1 > extblock/sector.txt
linux_sector=`tail -2 extblock/sector.txt | tr -s ' ' | cut -d'*' -f2 | cut -d' ' -f2 | head -n1`
linux_offset=$((linux_sector*512))
rootfs_sector=`tail -2 extblock/sector.txt | tr -s ' ' | cut -d'*' -f2 | cut -d' ' -f2 | tail -1`
rootfs_offset=$((rootfs_sector*512))
mkdir -p extblock/linux_data
mkdir -p extblock/rootfs_data
mkdir -p extblock/vlinux_backup_data
mkdir -p extblock/vrootfs_backup_data
#sudo mount /dev/mmcblk0p1 extblock/bank0_linux
#--------------------------------------------------------------------------------------------------
# Loop mount + Extract kernel and bootload data of Downloaded image to storage area
#--------------------------------------------------------------------------------------------------
sudo mount -o loop,offset=$linux_offset $1 extblock/linux_data
cp -R extblock/linux_data/* extblock/vlinux_backup_data/
sudo umount extblock/linux_data
rm -rf extblock/linux_data
#--------------------------------------------------------------------------------------------------
# Loop mount + Extract rootfs data of Downloaded image to storage area
#--------------------------------------------------------------------------------------------------
sudo mount -o loop,offset=$rootfs_offset $1 extblock/rootfs_data
cp -R extblock/rootfs_data/* extblock/vrootfs_backup_data
sudo umount extblock/rootfs_data
rm -rf extblock/rootfs_data
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For ex. sudo sh extract.sh rdk-generic-hybrid-refapp-thunder-image_default_20190924125426.rootfs.rpi-sdimg |
8. Verify that inside extblock have these two files vlinux_backup_data and vrootfs_backup_data should be present.
9. Create mount directory and execute mount for the partition 4
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For ex.
mkdir videomnt
sudo mount /dev/sdb4 videomnt
In above command, storage partition 4 will get mounted to videomnt directory |
10. Copy the directories into extended storage partition (For sudo cp -r /extblock/v* videomnt/)
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sudo cp -r /extblock/v* videomnt/ |
11. Copy the vrootfs backup data into ext4 (sudo cp -r vrootfs_backup_data/* /media/amrita/884ff16f-00b3-4b8e-b634-8dfc93e9bdb8) to ensure partittion 4 will acts as video bank
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sudo cp -r /extblock/vrootfs_backup_data/* videomnt/ |
12. Copy the bank_broadband_image.switch file to partition 4 as below
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sudo cp bank_broadband_image.switch videomnt/lib/rdk/ |
13. Unmount videomnt directory as below
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sudo umount videomnt |
14. Now copy broadband multi boot change scripts to broadband image as below
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#For ex.
mkdir bbmnt
sudo mount /dev/sdb4 bbmnt
#In above command, storage partition 2 will get mounted to bbmnt directory
# Now copy the broad band change scripts from host to broadband image rootfs in partition2 (/dev/sdb2) mounted to bbmnt as below
sudo cp rpi_sw_install1.sh rpi_sw_install.sh swupdate_utility.sh bank_image_switch.sh bank_video_switch.sh imageFlasher.sh bbmnt/lib/rdk/
# Now unmount the bbmnt
sudo umount bbmnt |
12. Now Boot up the SD card in RPI-> it should come up with BB image
13. ssh root@<RPI-Board IP>
14. To load the video image which is present in the storage execute the script bank_video_switch.sh
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root@RaspberryPi-Gateway:/lib/rdk# sh bank_video_switch.sh |
15. It should boot up with video image
16. Now this image can be switch back to broadband image by executing following script
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sh /lib/rdk/bank_broadband_switch.sh |
