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124 lines
3.1 KiB
124 lines
3.1 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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PROG_NAME=`basename $0` |
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# Set to true to get more debug information |
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DEBUG=false |
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# Remove the comment to enable valgrind |
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# Require build with $mmma external/valgrind |
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#VALGRIND="valgrind --leak-check=yes --show-reachable=yes" |
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function usage() { |
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echo "Usage:" |
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echo " $PROG_NAME (--fdt|--ufdt) (--remote) <Base DTS> <Overlay DTS> <Output DTS>" |
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} |
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function on_exit() { |
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rm -rf "$TEMP_DIR" |
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} |
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# |
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# Start |
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# |
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# Setup OVERLAY |
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if [ "$1" == "--fdt" ]; then |
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shift |
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OVERLAY="fdt_apply_overlay" |
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elif [ "$1" == "--ufdt" ]; then |
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shift |
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OVERLAY="ufdt_apply_overlay" |
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else |
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usage |
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exit 1 |
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fi |
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# --remote: run overlay on the device with adb |
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if [ "$1" == "--remote" ]; then |
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shift |
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EXE_PATH="${ANDROID_PRODUCT_OUT}/obj/EXECUTABLES" |
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REMOTE_PATH="/data/local/tmp" |
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adb push "${EXE_PATH}/${OVERLAY}_intermediates/${OVERLAY}" \ |
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"$REMOTE_PATH" > /dev/null |
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fi |
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if [[ $# -lt 3 ]]; then |
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usage |
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exit 1 |
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fi |
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BASE_DTS=$1 |
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OVERLAY_DTS=$2 |
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OUT_DTS=$3 |
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TEMP_DIR=`mktemp -d` |
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# The script will exit directly if any command fails. |
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set -e |
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trap on_exit EXIT |
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# Compile the *-base.dts to make *-base.dtb |
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BASE_DTS_NAME=`basename "$BASE_DTS"` |
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BASE_DTB_NAME="${BASE_DTS_NAME}-base.dtb" |
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BASE_DTB="${TEMP_DIR}/${BASE_DTB_NAME}" |
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dtc -@ -qq -O dtb -o "$BASE_DTB" "$BASE_DTS" |
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if $DEBUG; then |
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echo "[base.dts]" |
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dtc -O dts "$BASE_DTB" |
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fi |
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# Compile the *-overlay.dts to make *-overlay.dtb |
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OVERLAY_DTS_NAME=`basename "$OVERLAY_DTS"` |
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OVERLAY_DTB_NAME="${OVERLAY_DTS_NAME}-overlay.dtb" |
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OVERLAY_DTB="${TEMP_DIR}/${OVERLAY_DTB_NAME}" |
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dtc -@ -qq -O dtb -o "$OVERLAY_DTB" "$OVERLAY_DTS" |
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if $DEBUG; then |
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echo "[overlay.dts]" |
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dtc -O dts "$OVERLAY_DTB" |
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fi |
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# Run ufdt_apply_overlay to combine *-base.dtb and *-overlay.dtb |
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# into *-merged.dtb |
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MERGED_DTB_NAME="${BASE_DTS_NAME}-merged.dtb" |
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MERGED_DTB="${TEMP_DIR}/${MERGED_DTB_NAME}" |
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if [ -z "$REMOTE_PATH" ]; then |
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$VALGRIND "$OVERLAY" "$BASE_DTB" "$OVERLAY_DTB" "$MERGED_DTB" |
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else |
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adb push "$BASE_DTB" "$REMOTE_PATH" > /dev/null |
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adb push "$OVERLAY_DTB" "$REMOTE_PATH" > /dev/null |
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adb shell " |
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cd "$REMOTE_PATH" && |
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"./${OVERLAY}" "$BASE_DTB_NAME" "$OVERLAY_DTB_NAME" "$MERGED_DTB_NAME" |
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" |
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adb pull "${REMOTE_PATH}/${MERGED_DTB_NAME}" "$MERGED_DTB" > /dev/null |
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fi |
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if [ ! -z "$REMOTE_PATH" ]; then |
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# clean up |
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adb shell " |
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cd "$REMOTE_PATH" && |
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rm -f "$OVERLAY" && |
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rm -f "$BASE_DTB_NAME" && |
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rm -f "$OVERLAY_DTB_NAME" && |
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rm -f "$MERGED_DTB_NAME" |
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" > /dev/null |
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fi |
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# Dump |
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dtc -s -O dts -o "$OUT_DTS" "$MERGED_DTB" |
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if $DEBUG; then |
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echo "[merged.dts]" |
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cat $OUT_DTS |
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fi
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