1*13e8728fSAndroid Build Coastguard Worker#!/bin/bash 2*13e8728fSAndroid Build Coastguard Worker# Copyright (C) 2016 The Android Open Source Project 3*13e8728fSAndroid Build Coastguard Worker# 4*13e8728fSAndroid Build Coastguard Worker# Licensed under the Apache License, Version 2.0 (the "License"); 5*13e8728fSAndroid Build Coastguard Worker# you may not use this file except in compliance with the License. 6*13e8728fSAndroid Build Coastguard Worker# You may obtain a copy of the License at 7*13e8728fSAndroid Build Coastguard Worker# 8*13e8728fSAndroid Build Coastguard Worker# http://www.apache.org/licenses/LICENSE-2.0 9*13e8728fSAndroid Build Coastguard Worker# 10*13e8728fSAndroid Build Coastguard Worker# Unless required by applicable law or agreed to in writing, software 11*13e8728fSAndroid Build Coastguard Worker# distributed under the License is distributed on an "AS IS" BASIS, 12*13e8728fSAndroid Build Coastguard Worker# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*13e8728fSAndroid Build Coastguard Worker# See the License for the specific language governing permissions and 14*13e8728fSAndroid Build Coastguard Worker# limitations under the License. 15*13e8728fSAndroid Build Coastguard Worker 16*13e8728fSAndroid Build Coastguard Worker# We want to generate two device tree blob (.dtb) files by combining 17*13e8728fSAndroid Build Coastguard Worker# the "base" and "add" device tree source (.dts) files in two 18*13e8728fSAndroid Build Coastguard Worker# different ways. 19*13e8728fSAndroid Build Coastguard Worker# 20*13e8728fSAndroid Build Coastguard Worker# 1) Use /include/ and compile via dtc to make the "gold standard" 21*13e8728fSAndroid Build Coastguard Worker# 22*13e8728fSAndroid Build Coastguard Worker# 2) Compile them separately dtc, and join them with the 23*13e8728fSAndroid Build Coastguard Worker# ufdt_apply_overlay program 24*13e8728fSAndroid Build Coastguard Worker# 25*13e8728fSAndroid Build Coastguard Worker# Then, compare 1) and 2) with dts_diff (diff merged nodes) and return 0 26*13e8728fSAndroid Build Coastguard Worker# iff they are identical. 27*13e8728fSAndroid Build Coastguard Worker 28*13e8728fSAndroid Build Coastguard WorkerSCRIPT_DIR="$(dirname "$(readlink -f "$0")")" 29*13e8728fSAndroid Build Coastguard Workersource ${SCRIPT_DIR}/common.sh 30*13e8728fSAndroid Build Coastguard Worker 31*13e8728fSAndroid Build Coastguard Workeron_exit() { 32*13e8728fSAndroid Build Coastguard Worker rm -rf "$TEMP_DIR" 33*13e8728fSAndroid Build Coastguard Worker} 34*13e8728fSAndroid Build Coastguard Worker 35*13e8728fSAndroid Build Coastguard Worker# Constants 36*13e8728fSAndroid Build Coastguard WorkerIN_DATA_DIR="testdata" 37*13e8728fSAndroid Build Coastguard Worker 38*13e8728fSAndroid Build Coastguard WorkerTEMP_DIR=`mktemp -d` 39*13e8728fSAndroid Build Coastguard Worker# The script will exit directly if any command fails. 40*13e8728fSAndroid Build Coastguard Workerset -e 41*13e8728fSAndroid Build Coastguard Workertrap on_exit EXIT 42*13e8728fSAndroid Build Coastguard Worker 43*13e8728fSAndroid Build Coastguard Worker# Global variables 44*13e8728fSAndroid Build Coastguard WorkerTESTCASE_NAME=$1 45*13e8728fSAndroid Build Coastguard WorkerBASE_DTS="$IN_DATA_DIR/${TESTCASE_NAME}-base.dts" 46*13e8728fSAndroid Build Coastguard WorkerOVERLAY_DTS="$IN_DATA_DIR/${TESTCASE_NAME}-overlay.dts" 47*13e8728fSAndroid Build Coastguard WorkerREF_MERGED_DTS="$TEMP_DIR/${TESTCASE_NAME}-ref-merged.dts" 48*13e8728fSAndroid Build Coastguard WorkerOVL_MERGED_DTS="$TEMP_DIR/${TESTCASE_NAME}-ovl-merged.dts" 49*13e8728fSAndroid Build Coastguard Worker 50*13e8728fSAndroid Build Coastguard Worker# 51*13e8728fSAndroid Build Coastguard Worker# Complie and diff 52*13e8728fSAndroid Build Coastguard Worker# 53*13e8728fSAndroid Build Coastguard Worker$SCRIPT_DIR/apply_overlay.sh --fdt "$BASE_DTS" "$OVERLAY_DTS" "$REF_MERGED_DTS" 54*13e8728fSAndroid Build Coastguard Worker$SCRIPT_DIR/apply_overlay.sh --ufdt "$BASE_DTS" "$OVERLAY_DTS" "$OVL_MERGED_DTS" 55*13e8728fSAndroid Build Coastguard Workerdts_diff "$REF_MERGED_DTS" "$OVL_MERGED_DTS" 56