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scripts/emb_mk_yocto_sdcard/emb-create-yocto-sdcard.sh
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#!/bin/bash
set -e
#### Script version ####
SCRIPT_NAME=${0##*/}
readonly SCRIPT_VERSION="0.7"
#### Exports Variables ####
#### global variables ####
readonly ABSOLUTE_FILENAME=`readlink -e "$0"`
readonly ABSOLUTE_DIRECTORY=`dirname ${ABSOLUTE_FILENAME}`
readonly SCRIPT_POINT=${ABSOLUTE_DIRECTORY}
readonly SCRIPT_START_DATE=`date +%Y%m%d`
readonly YOCTO_ROOT="${SCRIPT_POINT}/../../../../"
readonly BSP_TYPE="YOCTO"
readonly YOCTO_BUILD=${YOCTO_ROOT}/imx8m-build-qt5wayland
readonly YOCTO_DEFAULT_IMAGE=fsl-image-qt5-validation-imx
readonly YOCTO_SCRIPTS_PATH=${SCRIPT_POINT}
readonly YOCTO_IMGS_PATH=${YOCTO_BUILD}/tmp/deploy/images/${MACHINE}
## display (one of "-hdmi", "-lcdif-lvds", "-dp", "-dcss-lvds", "-dual-display", "-edp")
readonly DISPLAY="-hdmi"
# $1 -- block device
# $2 -- output images dir
readonly LPARAM_BLOCK_DEVICE=${1}
readonly LPARAM_OUTPUT_DIR=${2}
readonly P1_MOUNT_DIR="${G_TMP_DIR}/p1"
readonly P2_MOUNT_DIR="${G_TMP_DIR}/p2"
readonly BOOTLOAD_RESERVE_SIZE=2
readonly PART1_SIZE=48
readonly BOOTPART=1
readonly ROOTFSPART=2
readonly SPARE_SIZE=4
# Sizes are in MiB
BOOTLOADER_OFFSET=33
AUTO_FILL_SD=0
LOOP_MAJOR=7
# This function performs sanity check to verify that the target device is removable devise of proper size
function check_device()
{
# Check that parameter is a valid block device
if [ ! -b "$1" ]; then
echo "$1 is not a valid block device, exiting"
exit 1
fi
local dev=$(basename $1)
# Check that /sys/block/$dev exists
if [ ! -d /sys/block/$dev ]; then
echo "Directory /sys/block/${dev} missing, exiting"
exit 1
fi
# Get device parameters
local removable=$(cat /sys/block/${dev}/removable)
local size_bytes=$((512*$(cat /sys/class/block/${dev}/size)))
local size_gb=$((size_bytes/1000000000))
# Non-removable SD card readers require additional check
if [ "${removable}" != "1" ]; then
local drive=$(udisksctl info -b /dev/${dev}|grep "Drive:"|cut -d"'" -f 2)
local mediaremovable=$(gdbus call --system --dest org.freedesktop.UDisks2 \
--object-path ${drive} --method org.freedesktop.DBus.Properties.Get \
org.freedesktop.UDisks2.Drive MediaRemovable)
if [[ "${mediaremovable}" = *"true"* ]]; then
removable=1
fi
fi
# Check that device is either removable or loop
if [ "$removable" != "1" -a $(stat -c '%t' /dev/$dev) != ${LOOP_MAJOR} ]; then
echo "$1 is not a removable device, exiting"
exit 1
fi
# Check that device is attached
if [ ${size_bytes} -eq 0 ]; then
echo "$1 is not attached, exiting"
exit 1
fi
# Check that device has a valid size
echo "Detected removable device $1, size=${size_gb}GB"
}
YOCTO_RECOVERY_ROOTFS_PATH=${YOCTO_IMGS_PATH}
echo "================================================"
echo "= Embedian recovery SD card creation script ="
echo "================================================"
help() {
bn=`basename $0`
echo " Usage: MACHINE=<smarcimx8m2g|smarcimx8m4g> $bn <options> device_node"
echo
echo " options:"
echo " -h display this Help message"
echo " -s only Show partition sizes to be written, without actually write them"
echo " -a Automatically set the rootfs partition size to fill the SD card (leaving spare ${SPARE_SIZE}MiB)"
echo " -r ROOTFS_NAME select an alternative Rootfs for recovery images"
echo " (default: \"${YOCTO_RECOVERY_ROOTFS_PATH}/${YOCTO_DEFAULT_IMAGE}\")"
echo " -n TEXT_FILE add a release Notes text file"
echo
}
if [[ $EUID -ne 0 ]] ; then
echo "This script must be run with super-user privileges"
exit 1
fi
if [[ $MACHINE != "smarcimx8m2g" && $MACHINE != "smarcimx8m4g" ]] ; then
help
exit 1
fi
# Parse command line
moreoptions=1
node="na"
cal_only=0
while [ "$moreoptions" = 1 -a $# -gt 0 ]; do
case $1 in
-h) help; exit 3 ;;
-s) cal_only=1 ;;
-a) AUTO_FILL_SD=1 ;;
-r) shift;
YOCTO_RECOVERY_ROOTFS_MASK_PATH=`readlink -e "${1}.tar.bz2"`;
YOCTO_RECOVERY_ROOTFS_PATH=`dirname ${YOCTO_RECOVERY_ROOTFS_MASK_PATH}`
YOCTO_RECOVERY_ROOTFS_BASE_IN_NAME=`basename ${1}`
;;
-n) shift;
RELEASE_NOTES_FILE=${1}
;;
*) moreoptions=0;;
esac
[ "$moreoptions" = 0 ] && [ $# -gt 1 ] && help && exit 1
[ "$moreoptions" = 1 ] && shift
done
part=""
if [ `echo ${LPARAM_BLOCK_DEVICE} | grep -c mmcblk` -ne 0 ]; then
part="p"
fi
# allow only removable/loopback devices, to protect host PC
echo "MACHINE=${MACHINE}"
echo "SD card rootfs: ${YOCTO_DEFAULT_IMAGE}"
echo "Recovery rootfs: ${YOCTO_DEFAULT_IMAGE}"
echo "================================================"
check_device ${LPARAM_BLOCK_DEVICE}
echo "================================================"
read -p "Press Enter to continue"
function delete_device
{
echo
echo "Deleting current partitions"
for ((i=0; i<10; i++))
do
if [ `ls ${LPARAM_BLOCK_DEVICE}${part}$i 2> /dev/null | grep -c ${LPARAM_BLOCK_DEVICE}${part}$i` -ne 0 ]; then
dd if=/dev/zero of=${LPARAM_BLOCK_DEVICE}${part}$i bs=512 count=1024
fi
done
sync
((echo d; echo 1; echo d; echo 2; echo d; echo 3; echo d; echo w) | fdisk ${LPARAM_BLOCK_DEVICE} &> /dev/null) || true
sync
dd if=/dev/zero of=${LPARAM_BLOCK_DEVICE} bs=1M count=${BOOTLOAD_RESERVE_SIZE}
sync; sleep 1
}
function ceildiv
{
local num=$1
local div=$2
echo $(( (num + div - 1) / div ))
}
function create_parts
{
echo
echo "Creating new partitions"
# Get total card size
TOTAL_SIZE=`fdisk -s ${LPARAM_BLOCK_DEVICE}`
TOTAL_SIZE=`expr ${TOTAL_SIZE} / 1024`
ROOTFS_SIZE=`expr ${TOTAL_SIZE} - ${BOOTLOAD_RESERVE_SIZE} - ${PART1_SIZE} - ${SPARE_SIZE}`
echo "ROOT SIZE=${ROOTFS_SIZE} TOTAl SIZE=${TOTAL_SIZE}"
BLOCK=`echo ${LPARAM_BLOCK_DEVICE} | cut -d "/" -f 3`
SECT_SIZE_BYTES=`cat /sys/block/${BLOCK}/queue/physical_block_size`
BOOTLOAD_RESERVE_SIZE_BYTES=$((BOOTLOAD_RESERVE_SIZE * 1024 * 1024))
PART1_SIZE_BYTES=$((PART1_SIZE * 1024 * 1024))
PART1_END_BYTES=`expr ${BOOTLOAD_RESERVE_SIZE_BYTES} + ${PART1_SIZE_BYTES}`
ROOTFS_SIZE_BYTES=$((ROOTFS_SIZE * 1024 * 1024))
PART1_FIRST_SECT=`ceildiv ${BOOTLOAD_RESERVE_SIZE_BYTES} ${SECT_SIZE_BYTES}`
PART1_END_SECT=`ceildiv ${PART1_END_BYTES} ${SECT_SIZE_BYTES}`
PART2_FIRST_SECT=`expr ${PART1_END_SECT} + 1 `
(echo n; echo p; echo $BOOTPART; echo $PART1_FIRST_SECT; \
echo $PART1_END_SECT; echo n; echo p; echo $ROOTFSPART; \
echo $PART2_FIRST_SECT; echo; echo p; echo w) | fdisk -u ${LPARAM_BLOCK_DEVICE} > /dev/null
sleep 2; sync;
fdisk -l ${LPARAM_BLOCK_DEVICE}
sleep 2; sync;
}
function format_parts
{
echo
echo "Formatting partitions"
mkfs.vfat -F 16 ${LPARAM_BLOCK_DEVICE}${part}1 -n boot
mkfs.ext4 ${LPARAM_BLOCK_DEVICE}${part}2 -L rootfs
sync; sleep 1
}
function install_bootloader
{
echo
echo "Installing U-Boot"
dd if=${YOCTO_IMGS_PATH}/imx-boot-${MACHINE}-sd.bin-flash_evk of=${LPARAM_BLOCK_DEVICE} bs=1K seek=${BOOTLOADER_OFFSET}; sync
}
function mount_parts
{
mkdir -p ${P1_MOUNT_DIR}
mkdir -p ${P2_MOUNT_DIR}
sync
mount ${LPARAM_BLOCK_DEVICE}${part}1 ${P1_MOUNT_DIR}
mount ${LPARAM_BLOCK_DEVICE}${part}2 ${P2_MOUNT_DIR}
sleep 2; sync;
}
function unmount_parts
{
umount ${P1_MOUNT_DIR}
umount ${P2_MOUNT_DIR}
rm -rf ${P1_MOUNT_DIR}
rm -rf ${P2_MOUNT_DIR}
}
function install_yocto
{
echo
echo "Flashing \"Image, device tree and uEnv.txt\" partition"
cp -v ${YOCTO_IMGS_PATH}/Image ${P1_MOUNT_DIR}/
mkdir -p ${P1_MOUNT_DIR}/dtbs/
cp -v ${YOCTO_IMGS_PATH}/fsl-smarcimx8mq${DISPLAY}.dtb ${P1_MOUNT_DIR}/dtbs/fsl-smarcimx8mq.dtb
cp -v ${YOCTO_SCRIPTS_PATH}/uEnv.txt ${P1_MOUNT_DIR}/
echo
echo "Installing Yocto Root File System"
tar jxvf ${YOCTO_IMGS_PATH}/${YOCTO_DEFAULT_IMAGE}-${MACHINE}.tar.bz2 -C ${P2_MOUNT_DIR}/
sync
}
function copy_images
{
echo
echo "Copying Yocto images to /opt/images/"
mkdir -p ${P2_MOUNT_DIR}/opt/images/Yocto
# Copy image for eMMC
if [ -f ${YOCTO_IMGS_PATH}/${YOCTO_DEFAULT_IMAGE}-${MACHINE}.tar.bz2 ]; then
pv ${YOCTO_IMGS_PATH}/${YOCTO_DEFAULT_IMAGE}-${MACHINE}.tar.bz2 > ${P2_MOUNT_DIR}/opt/images/Yocto/rootfs.tar.bz2
else
echo "rootfs.tar.gz file is not present. Installation on \"eMMC\" will not be supported."
fi
echo
echo "Copying Kernel Images to /opt/images/"
cp ${YOCTO_IMGS_PATH}/Image ${P2_MOUNT_DIR}/opt/images/Yocto/Image
echo
echo "Copying Kernel Device Tree Blob to /opt/images/"
cp -v ${YOCTO_IMGS_PATH}/*.dtb ${P2_MOUNT_DIR}/opt/images/Yocto/
echo
echo "Copying Kernel Parameter uEnv.txt to /opt/images/"
cp -v ${YOCTO_SCRIPTS_PATH}/uEnv_emmc.txt ${P2_MOUNT_DIR}/opt/images/Yocto/uEnv.txt
if [[ $MACHINE = "smarcimx8m2g" || ${MACHINE} = "smarcimx8m4g" ]]; then
cp ${YOCTO_IMGS_PATH}/imx-boot-${MACHINE}-sd.bin-* ${P2_MOUNT_DIR}/opt/images/Yocto
(cd ${P2_MOUNT_DIR}/opt/images/Yocto; ln -fs imx-boot-${MACHINE}-sd.bin-flash_evk imx-boot-sd.bin)
else
cp ${YOCTO_IMGS_PATH}/imx-boot-${MACHINE}-sd.bin ${P2_MOUNT_DIR}/opt/images/Yocto/imx-boot-sd.bin
fi
}
function copy_scripts
{
echo
echo "Copying scripts"
cp ${YOCTO_SCRIPTS_PATH}/emb-create-yocto-emmc.sh ${P2_MOUNT_DIR}/usr/bin/
}
umount ${LPARAM_BLOCK_DEVICE}${part}* 2> /dev/null || true
delete_device
create_parts
format_parts
mount_parts
install_yocto
copy_images
copy_scripts
echo
echo "Syncing"
sync | pv -t
unmount_parts
install_bootloader
echo
echo "Done"
echo "========Flash to SD card Completed!========="
exit 0
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