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55 lines
1.7 KiB
55 lines
1.7 KiB
#!/bin/bash |
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# Copyright (C) 2016 The Android Open Source Project |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# We want to generate two device tree blob (.dtb) files by combining |
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# the "base" and "add" device tree source (.dts) files in two |
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# different ways. |
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# |
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# 1) Use /include/ and compile via dtc to make the "gold standard" |
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# |
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# 2) Compile them separately dtc, and join them with the |
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# ufdt_apply_overlay program |
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# |
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# Then, compare 1) and 2) with dts_diff (diff merged nodes) and return 0 |
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# iff they are identical. |
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SCRIPT_DIR="$(dirname "$(readlink -f "$0")")" |
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source ${SCRIPT_DIR}/common.sh |
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on_exit() { |
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rm -rf "$TEMP_DIR" |
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} |
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# Constants |
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IN_DATA_DIR="testdata" |
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TEMP_DIR=`mktemp -d` |
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# The script will exit directly if any command fails. |
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set -e |
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trap on_exit EXIT |
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# Global variables |
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TESTCASE_NAME=$1 |
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BASE_DTS="$IN_DATA_DIR/${TESTCASE_NAME}-base.dts" |
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OVERLAY_DTS="$IN_DATA_DIR/${TESTCASE_NAME}-overlay.dts" |
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REF_MERGED_DTS="$TEMP_DIR/${TESTCASE_NAME}-ref-merged.dts" |
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OVL_MERGED_DTS="$TEMP_DIR/${TESTCASE_NAME}-ovl-merged.dts" |
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# |
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# Complie and diff |
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# |
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$SCRIPT_DIR/apply_overlay.sh --fdt "$BASE_DTS" "$OVERLAY_DTS" "$REF_MERGED_DTS" |
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$SCRIPT_DIR/apply_overlay.sh --ufdt "$BASE_DTS" "$OVERLAY_DTS" "$OVL_MERGED_DTS" |
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dts_diff "$REF_MERGED_DTS" "$OVL_MERGED_DTS"
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