Eisenbahnfan
f4fdf38d13
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8296>
139 lines
3.3 KiB
Bash
139 lines
3.3 KiB
Bash
#!/bin/sh
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board=
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partition=/dev/disk/by-partlabel/BOOT
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verbose=
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dryrun=
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imagedir=/usr/share/u-boot/
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skip_delay=
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get_board() {
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if [ -z "$board" ] && [ -e /sys/firmware/devicetree/base/compatible ]; then
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case "$(cat /sys/firmware/devicetree/base/compatible 2>/dev/null)" in
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samsung,n1awifi*) board="n1awifi";;
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samsung,n2awifi*) board="n2awifi";;
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samsung,v1a-wifi*) board="v1a-wifi";;
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esac
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fi
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}
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die() {
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echo "ERROR: $@"
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exit 1
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}
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usage() {
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get_board
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cat <<EOF
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usage: $0 [-n,--dry-run] [-i,--imagedir <imagedir>] [-b|--board <board-type>] [-p|--partition <partition>] [-s|--skip-delay]
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options:
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-b,--board <board> Specify the board type: n1awifi, n2awifi, v1awifi
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(current default: ${board:-none})
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-p, --partition <partition> Specify partition to flash u-boot to
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(current default: ${partition:-none})
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-i,--imagedir <imagedir> Specify u-boot image directory
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(current default: ${imagedir:-none})
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-n,--dry-run Print commands but don't execute them
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-s,--skip-delay Skip delay and flash the image immediately
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EOF
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}
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validate_checksum() {
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file="$1"
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file_sha512="$file.sha512"
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file_size=$(stat -c%s $file)
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partition="$2"
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bs="$3"
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checksum0=$(cat $file_sha512 | awk {'print $1'})
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checksum1=$(dd if=$partition bs=1 count=$file_size status=none | sha512sum | awk {'print $1'})
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if [ "$checksum0" != "$checksum1" ]; then
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echo "File: $checksum0"
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echo "Part: $checksum1"
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die "Checksum failed"
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fi
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echo "Successful U-Boot image checksum verification on $partition :"
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echo -e "\t$checksum1"
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}
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while [ $# -gt 0 ]; do
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opt="$1"
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shift
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case "$opt" in
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-b|--board)
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case "$1" in
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n1awifi) board="n1awifi" ;;
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n2awifi) board="n2awifi" ;;
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v1awifi) board="v1a-wifi" ;;
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*) usage; exit 1;;
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esac
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shift
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;;
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-p|--partition)
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partition="$1"
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shift
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;;
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-i|--imagedir)
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imagedir="$1"
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shift
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;;
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-n|--dry-run)
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dryrun="echo"
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;;
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-s|--skip-delay)
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skip_delay="yes"
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;;
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--)
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break
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;;
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-*)
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usage
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exit 1
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;;
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esac
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done
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get_board
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echo "/!\ WARNING:"
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echo "This upgrade may not work reliably, postmarketOS might not boot anymore!"
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echo
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read -p "Continue? (y/n) [n]: " -n 1 -r
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echo
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case "$REPLY" in
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y|Y) ;;
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*) exit 1 ;;
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esac
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if [ -z "$dryrun" ]; then
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if [ -z "$skip_delay" ]; then
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echo "Updating $board u-boot in $device in 3 seconds..."
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sleep 3
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else
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echo "Updating $board u-boot in $device"
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fi
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fi
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(
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set -e
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[ -e "$imagedir/samsung/u-boot-$board.bin" ] || die "$board images not installed, apk add u-boot-exynos5420"
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$dryrun echo "Generating android boot image..."
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$dryrun mkbootimg --kernel "$imagedir"/samsung/u-boot-$board.bin --base "0x10000000" --kernel_offset "0x00008000" --ramdisk_offset "0x01000000" --tags_offset "0x00000100" --second_offset "0x00f00000" --pagesize "2048" -o /tmp/aboot.img
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[ -z "$dryrun" ] && printf "SEANDROIDENFORCE" >> /tmp/aboot.img
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[ -z "$dryrun" ] && sha512sum /tmp/aboot.img > /tmp/aboot.img.sha512
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$dryrun dd if=/tmp/aboot.img of=$partition bs=512 oflag=direct status=none
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[ -z "$dryrun" ] && validate_checksum /tmp/aboot.img $partition 512
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$dryrun rm -f /tmp/aboot.img /tmp/aboot.img.sha512
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$dryrun sync
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) || die "U-Boot installation in $partition failed"
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[ -z "$dryrun" ] && echo "Completed successfully."
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