#!/bin/bash -e
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echo "Executing $(basename "$0")..."
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SCRIPT_PATH=$(realpath "$BASH_SOURCE")
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SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
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TOP_DIR="$SCRIPT_DIR/../../.."
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echo "Top of tree: $TOP_DIR"
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source "$TOP_DIR/device/rockchip/.BoardConfig.mk"
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TARGET_DIR=$(realpath "$1")
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shift
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FSTAB="$TARGET_DIR/etc/fstab"
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OS_RELEASE="$TARGET_DIR/etc/os-release"
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# The repo tool might not work when path is too long.
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INFO_DIR=$(realpath --relative-base="$TOP_DIR" "$TARGET_DIR/info")
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REBOOT_WRAPPER=busybox-reboot
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RK_LEGACY_PARTITIONS=" \
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${RK_OEM_FS_TYPE:+oem:/oem:$RK_OEM_FS_TYPE}
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${RK_USERDATA_FS_TYPE:+userdata:/userdata:$RK_USERDATA_FS_TYPE}
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"
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# <dev>:<mount point>:<fs type>:<mount flags>:<source dir>:<image size(M|K|auto)>:[options]
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# for example:
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# RK_EXTRA_PARTITIONS="oem:/oem:ext2:defaults:oem_normal:256M:fixed
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# userdata:/userdata:vfat:errors=remount-ro:userdata_empty:auto"
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RK_EXTRA_PARTITIONS="${RK_EXTRA_PARTITIONS:-$RK_LEGACY_PARTITIONS}"
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function fixup_root()
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{
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echo "Fixing up rootfs type: $1"
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FS_TYPE=$1
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sed -i "s#\([[:space:]]/[[:space:]]\+\)\w\+#\1${FS_TYPE}#" "$FSTAB"
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}
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function fixup_part()
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{
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echo "Fixing up partition: ${@//:/ }"
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SRC="$1"
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MOUNT="$2"
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FS_TYPE="$3"
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MOUNT_OPTS="$4"
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PASS="$5"
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# Remove old entries with same mountpoint
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sed -i "/[[:space:]]${MOUNT//\//\\\/}[[:space:]]/d" "$FSTAB"
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if [ "$SRC" != tmpfs ]; then
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# Remove old entries with same source
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sed -i "/^${SRC//\//\\\/}[[:space:]]/d" "$FSTAB"
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fi
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# Append new entry
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echo -e "$SRC\t$MOUNT\t$FS_TYPE\t$MOUNT_OPTS\t0 $PASS" >> "$FSTAB"
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mkdir -p "$TARGET_DIR/$MOUNT"
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}
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function fixup_basic_part()
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{
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echo "Fixing up basic partition: $@"
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FS_TYPE="$1"
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MOUNT="$2"
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MOUNT_OPTS="${3:-defaults}"
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fixup_part "$FS_TYPE" "$MOUNT" "$FS_TYPE" "$MOUNT_OPTS" 0
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}
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function partition_arg() {
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PART="$1"
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I="$2"
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DEFAULT="$3"
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ARG=$(echo $PART | cut -d':' -f"$I")
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echo ${ARG:-$DEFAULT}
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}
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function fixup_device_part()
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{
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echo "Fixing up device partition: ${@//:/ }"
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DEV="$(partition_arg "$*" 1)"
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# Dev is either <name> or /dev/.../<name> or <UUID|LABEL|PARTLABEL>=xxx
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[ "$DEV" ] || return 0
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echo $DEV | grep -qE "^/|=" || DEV="LABEL=$DEV"
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MOUNT="$(partition_arg "$*" 2 "/${DEV##*[/=]}")"
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FS_TYPE="$(partition_arg "$*" 3 ext2)"
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MOUNT_OPTS="$(partition_arg "$*" 4 defaults)"
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fixup_part "$DEV" "$MOUNT" "$FS_TYPE" "$MOUNT_OPTS" 2
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}
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function fixup_fstab()
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{
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[ -f "$FSTAB" ] || return 0
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echo "Fixing up /etc/fstab..."
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cd "$TARGET_DIR"
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case "$RK_ROOTFS_TYPE" in
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ext[234])
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fixup_root "$RK_ROOTFS_TYPE"
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;;
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*)
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fixup_root auto
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;;
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esac
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fixup_basic_part proc /proc
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fixup_basic_part devtmpfs /dev
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fixup_basic_part devpts /dev/pts mode=0620,ptmxmode=0666,gid=5
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fixup_basic_part tmpfs /dev/shm nosuid,nodev,noexec
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fixup_basic_part sysfs /sys
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fixup_basic_part configfs /sys/kernel/config
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fixup_basic_part debugfs /sys/kernel/debug
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fixup_basic_part pstore /sys/fs/pstore
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if echo "$TARGET_DIR" | grep -qE "_recovery/target/*$"; then
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fixup_device_part /dev/sda1:/mnt/udisk:auto:defaults::
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fixup_device_part /dev/mmcblk1p1:/mnt/sdcard:auto:defaults::
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fi
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for part in ${RK_EXTRA_PARTITIONS//@/ }; do
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fixup_device_part $part
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done
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}
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function fixup_os_release()
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{
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KEY=$1
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shift
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sed -i "/^$KEY=/d" "$OS_RELEASE"
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echo "$KEY=\"$@\"" >> "$OS_RELEASE"
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}
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function kernel_version(){
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VERSION_KEYS="VERSION PATCHLEVEL"
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VERSION=""
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for k in $VERSION_KEYS; do
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v=$(grep "^$k = " $1/Makefile | cut -d' ' -f3)
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VERSION=${VERSION:+$VERSION.}$v
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done
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echo ${VERSION:-unknown}
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}
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function add_build_info()
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{
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[ -f "$OS_RELEASE" ] || touch "$OS_RELEASE"
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echo "Adding information to /etc/os-release..."
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cd "$TOP_DIR"
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KVER=$(kernel_version kernel/)
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fixup_os_release BUILD_INFO "$(whoami)@$(hostname) $(date)${@:+ - $@}"
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fixup_os_release KERNEL "$KVER - ${RK_KERNEL_DEFCONFIG:-unkown}"
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mkdir -p "$INFO_DIR"
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cp device/rockchip/.BoardConfig.mk "$INFO_DIR/BoardConfig.xml"
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cp kernel/.config "$INFO_DIR/config-$KVER"
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cp kernel/System.map "$INFO_DIR/System.map-$KVER"
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EXTRA_FILES=" \
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/etc/os-release /etc/fstab /var/log \
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/tmp/usbdevice.log /tmp/bootanim.log \
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/tmp/resize-all.log /tmp/mount-all.log \
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/proc/version /proc/cmdline /proc/kallsyms /proc/interrupts /proc/cpuinfo \
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/proc/softirqs /proc/device-tree /proc/diskstats /proc/iomem \
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/proc/meminfo /proc/partitions /proc/slabinfo \
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/proc/rk_dmabuf /proc/rkcif-mipi-lvds /proc/rkisp0-vir0 \
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/sys/kernel/debug/wakeup_sources /sys/kernel/debug/clk/clk_summary \
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/sys/kernel/debug/gpio /sys/kernel/debug/pinctrl/ \
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/sys/kernel/debug/dma_buf /sys/kernel/debug/dri \
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"
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ln -sf $EXTRA_FILES "$INFO_DIR/"
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}
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function fixup_reboot()
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{
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echo "Fixup busybox reboot commands..."
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cd "$TARGET_DIR"
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[ $(readlink sbin/reboot) = busybox ] || return 0
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install -D -m 0755 "$SCRIPT_DIR/data/$REBOOT_WRAPPER" sbin/$REBOOT_WRAPPER
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for cmd in halt reboot poweroff shutdown; do
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ln -sf $REBOOT_WRAPPER sbin/$cmd
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done
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}
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function add_dirs_and_links()
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{
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echo "Adding dirs and links..."
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cd "$TARGET_DIR"
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rm -rf mnt/* udisk sdcard data
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mkdir -p mnt/sdcard mnt/udisk
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ln -sf udisk mnt/usb_storage
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ln -sf sdcard mnt/external_sd
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ln -sf mnt/udisk udisk
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ln -sf mnt/sdcard sdcard
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ln -sf userdata data
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}
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add_build_info $@
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fixup_fstab
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fixup_reboot
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add_dirs_and_links
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exit 0
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