Initial commit

target/linux/imx/base-files/lib/imx.sh

@@ -0,0 +1,66 @@
+#
+# Copyright (C) 2010-2013 OpenWrt.org
+#
+
+rootpartuuid() {
+	local cmdline=$(cat /proc/cmdline)
+	local bootpart=${cmdline##*root=}
+	bootpart=${bootpart%% *}
+	local uuid=${bootpart#PARTUUID=}
+	echo ${uuid%-02}
+}
+
+bootdev_from_uuid() {
+	blkid | grep "PTUUID=\"$(rootpartuuid)\"" | cut -d : -f1
+}
+
+bootpart_from_uuid() {
+	blkid | grep $(rootpartuuid)-01 | cut -d : -f1
+}
+
+rootpart_from_uuid() {
+	blkid | grep $(rootpartuuid)-02 | cut -d : -f1
+}
+
+imx_sdcard_mount_boot() {
+	mkdir -p /boot
+	[ -f /boot/uImage ] || {
+		mount -o rw,noatime $(bootpart_from_uuid) /boot > /dev/null
+	}
+}
+
+imx_sdcard_copy_config() {
+	imx_sdcard_mount_boot
+	cp -af "$UPGRADE_BACKUP" "/boot/$BACKUP_FILE"
+	sync
+	umount /boot
+}
+
+imx_sdcard_do_upgrade() {
+	local board_dir="$(tar tf "${1}" | grep -m 1 '^sysupgrade-.*/$')"
+	board_dir="${board_dir%/}"
+
+	imx_sdcard_mount_boot
+	get_image "$1" | tar Oxf - ${board_dir}/kernel > /boot/uImage-new && \
+		mv /boot/uImage-new /boot/uImage && \
+		sync && \
+		get_image "$1" | tar Oxf - ${board_dir}/root > $(rootpart_from_uuid) && \
+		sync
+
+	umount /boot
+}
+
+imx_sdcard_pre_upgrade() {
+	[ -z "$UPGRADE_BACKUP" ] && {
+		jffs2reset -y
+		umount /overlay
+	}
+}
+
+imx_sdcard_move_config() {
+	if [ -b $(bootpart_from_uuid) ]; then
+		imx_sdcard_mount_boot
+		[ -f "/boot/$BACKUP_FILE" ] && mv -f "/boot/$BACKUP_FILE" /
+		umount /boot
+	fi
+}