scripts: android2fit.sh transform Android image to FIT image

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: I0c448d101aa4912398efa528275119132f434f69

scripts/android2fit.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+#
+# Copyright (c) 2020 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier: GPL-2.0
+#
+set -e
+
+OUT="out"
+
+function usage()
+{
+	echo
+	echo "usage:"
+	echo "    $0 -f [Android boot.img] -o [FIT boot.img]"
+	echo
+}
+
+function args_process()
+{
+	if [ $# -ne 4 ]; then
+		usage
+		exit 1
+	fi
+
+	while [ $# -gt 0 ]; do
+		case $1 in
+			-f)
+				BOOT_IMG=$2
+				shift 2
+				;;
+			-o)
+				FIT_IMG=$2
+				shift 2
+				;;
+			*)
+				usage
+				exit 1
+				;;
+		esac
+	done
+
+	if [ ! -f ${BOOT_IMG} ]; then
+		echo "ERROR: No ${ITB}"
+		exit 1
+	fi
+}
+
+function android2fit()
+{
+	if ! file ${BOOT_IMG} | grep "Android bootimg" ; then
+		echo "ERROR: ${BOOT_IMG} is not an Android Image"
+		file ${BOOT_IMG}
+		exit 1
+	fi
+
+	rm ${OUT}/ -rf
+	./scripts/unpack_bootimg --boot_img ${BOOT_IMG} --out ${OUT}/
+	./scripts/unpack_resource.sh ${OUT}/second  ${OUT}/
+	mv ${OUT}/second ${OUT}/resource
+
+	rm images/ -rf && mkdir -p images/
+	cp ${OUT}/kernel images/
+	cp ${OUT}/resource images/
+	cp ${OUT}/ramdisk images/
+	cp ${OUT}/rk-kernel.dtb images/
+	rm ${OUT}/ -rf
+
+	./make.sh fit
+	if [ "boot.img" != ${FIT_IMG} ]; then
+		mv boot.img ${FIT_IMG}
+	fi
+
+	echo "Transform OK: Android(${BOOT_IMG}) ==> FIT(${FIT_IMG}) is ready"
+	echo
+}
+
+args_process $*
+android2fit