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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| #!/bin/bash | ||
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| set -eE | ||
| trap 'echo Error: in $0 on line $LINENO' ERR | ||
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| wait_loopdev() { | ||
| local loop="$1" | ||
| local seconds="$2" | ||
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| until test $((seconds--)) -eq 0 -o -b "${loop}"; do sleep 1; done | ||
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| ((++seconds)) | ||
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| ls -l "${loop}" &> /dev/null | ||
| } | ||
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| if [ "$EUID" != 0 ]; then | ||
| sudo -k | ||
| if sudo false; then | ||
| exit 1 | ||
| fi | ||
| fi | ||
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| if test $# -ne 1; then | ||
| echo "Usage: $0 /dev/mmcblk0" | ||
| exit 1 | ||
| fi | ||
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| disk=$1 | ||
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| if test ! -b "${disk}"; then | ||
| echo "Block device \"${disk}\" not found" | ||
| exit 1 | ||
| fi | ||
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| if [[ "/dev/$(lsblk -no pkname "$(findmnt -n -o SOURCE /)")" == "${disk}" ]]; then | ||
| echo "Invalid block device \"${disk}\"" | ||
| exit 1 | ||
| fi | ||
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| echo "About to format \"${disk}\""; | ||
| read -r -p "Are you sure? [y/N] " response | ||
| case "$response" in | ||
| [yY][eE][sS]|[yY]) ;; | ||
| *) exit 0 ;; | ||
| esac | ||
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| # Ensure disk is not mounted | ||
| mount_point=/tmp/mnt | ||
| umount -lf "${disk}"* 2> /dev/null || true | ||
| umount -lf ${mount_point}/* 2> /dev/null || true | ||
| mkdir -p ${mount_point} | ||
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| # Setup partition table | ||
| dd if=/dev/zero of="${disk}" count=4096 bs=512 | ||
| parted --script "${disk}" \ | ||
| mklabel gpt \ | ||
| mkpart primary fat16 16MiB 528MiB \ | ||
| mkpart primary ext4 528MiB 100% | ||
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| set +e | ||
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| # Create partitions | ||
| echo -e "t\n1\nBC13C2FF-59E6-4262-A352-B275FD6F7172\nt\n2\n0FC63DAF-8483-4772-8E79-3D69D8477DE4\nw\n" | fdisk "${disk}" 2> /dev/null || true | ||
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| set -eE | ||
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| partprobe "${disk}" | ||
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| partition_char="$(if [[ ${disk: -1} == [0-9] ]]; then echo p; fi)" | ||
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| sleep 1 | ||
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| wait_loopdev "${disk}${partition_char}2" 60 || { | ||
| echo "Failure to create ${disk}${partition_char}1 in time" | ||
| exit 1 | ||
| } | ||
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| sleep 1 | ||
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| wait_loopdev "${disk}${partition_char}1" 60 || { | ||
| echo "Failure to create ${disk}${partition_char}1 in time" | ||
| exit 1 | ||
| } | ||
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| sleep 1 | ||
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| # Generate random uuid for bootfs | ||
| boot_uuid=$(uuidgen | head -c8) | ||
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| # Generate random uuid for rootfs | ||
| root_uuid=$(uuidgen) | ||
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| # Create filesystems on partitions | ||
| mkfs.vfat -i "${boot_uuid}" -F16 -n system-boot "${disk}${partition_char}1" | ||
| dd if=/dev/zero of="${disk}${partition_char}2" bs=1KB count=10 > /dev/null | ||
| mkfs.ext4 -U "${root_uuid}" -L writable "${disk}${partition_char}2" | ||
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| # Mount partitions | ||
| mkdir -p ${mount_point}/{system-boot,writable} | ||
| mount "${disk}${partition_char}1" ${mount_point}/system-boot/ | ||
| mount "${disk}${partition_char}2" ${mount_point}/writable/ | ||
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| # Copy over the root and boot partitions | ||
| sudo rsync -aPAHXx /boot/firmware/* ${mount_point}/system-boot/ 1> /dev/null | ||
| sudo rsync -aPAHXx / ${mount_point}/writable/ 1> /dev/null | ||
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| # Update root uuid for kernel cmdline | ||
| sed -i "s/^\(\s*bootargs=\s*\)root=UUID=[A-Fa-f0-9-]*/\1root=UUID=${root_uuid}/" ${mount_point}/system-boot/ubuntuEnv.txt | ||
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| # Update fstab entries | ||
| boot_uuid="${boot_uuid:0:4}-${boot_uuid:4:4}" | ||
| mkdir -p ${mount_point}/writable/boot/firmware | ||
| cat > ${mount_point}/writable/etc/fstab << EOF | ||
| # <file system> <mount point> <type> <options> <dump> <fsck> | ||
| UUID=${boot_uuid^^} /boot/firmware vfat defaults 0 2 | ||
| UUID=${root_uuid,,} / ext4 defaults 0 1 | ||
| /swapfile none swap sw 0 0 | ||
| EOF | ||
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| uboot_paths=( "/usr/lib/u-boot-*-rk3588/" ) | ||
| uboot_path=${uboot_paths[0]} | ||
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| if [ ! -d $uboot_path ]; then | ||
| uboot_path="/usr/lib/u-boot/" | ||
| fi | ||
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| if [ -f "$(echo $uboot_path)/u-boot-rockchip.bin" ]; then | ||
| dd if="$(echo $uboot_path)/u-boot-rockchip.bin" of="${disk}" seek=1 bs=32k conv=fsync | ||
| else | ||
| dd if="$(echo $uboot_path)/idbloader.img" of="${disk}" seek=64 conv=notrunc | ||
| dd if="$(echo $uboot_path)/u-boot.itb" of="${disk}" seek=16384 conv=notrunc | ||
| fi | ||
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| sync --file-system | ||
| sync | ||
|
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| # Umount partitions | ||
| umount "${disk}${partition_char}1" | ||
| umount "${disk}${partition_char}2" |
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