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51 lines
1.2 KiB
51 lines
1.2 KiB
7 months ago
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#!/bin/bash
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if [ -z "${ANDROID_HOST_OUT}" ]; then
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echo 'ANDROID_HOST_OUT not set. Please run lunch'
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exit 1
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fi
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ANDROID_HOST_BIN_LOCATION=${ANDROID_HOST_OUT}/bin
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adb root
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tmpdir=$(mktemp -d)
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trap 'rm -rf ${tmpdir};' EXIT
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cd $tmpdir
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#find out the location to read the DTBO image from
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boot_suffix=$(adb wait-for-device shell getprop ro.boot.slot_suffix)
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dtbo_partition="/dev/block/by-name/dtbo"
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dtbo_path=$dtbo_partition$boot_suffix
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#read the dtbo image and the final device tree from device
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adb pull $dtbo_path dtbo.img > /dev/null
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adb pull /sys/firmware/fdt final_dt > /dev/null
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#decompile the DTBO image
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mkdtimg_path="${ANDROID_HOST_BIN_LOCATION}/mkdtboimg.py"
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$mkdtimg_path dump dtbo.img -b dumped_dtbo > /dev/null
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#Get the index of the overlay applied from the kernel command line
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overlay_idx=$(adb shell cat /proc/cmdline | grep -o "androidboot.dtbo_idx=[^ ]*" | cut -d "=" -f 2)
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arg=""
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for idx in ${overlay_idx//,/ }
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do
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arg="${arg}dumped_dtbo.${idx} "
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done
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#verify that the overlay was correctly applied
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verify_bin_path="${ANDROID_HOST_BIN_LOCATION}/ufdt_verify_overlay_host"
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$verify_bin_path final_dt $arg
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result=$?
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if [[ "$result" -eq "0" ]]; then
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echo "Overlay was verified successfully"
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else
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echo "Incorrect overlay application"
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fi
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exit $result
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