40 lines
680 B
Text
40 lines
680 B
Text
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#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# This script uses the bash <(...) extension.
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# If you want to change this to work with a generic /bin/sh, make sure
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# you fix that.
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DTC=dtc
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source_and_sort () {
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DT="$1"
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if [ -d "$DT" ]; then
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IFORMAT=fs
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elif [ -f "$DT" ]; then
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case "$DT" in
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*.dts)
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IFORMAT=dts
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;;
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*.dtb)
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IFORMAT=dtb
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;;
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esac
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fi
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if [ -z "$IFORMAT" ]; then
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echo "Unrecognized format for $DT" >&2
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exit 2
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fi
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$DTC -I $IFORMAT -O dts -qq -f -s -o - "$DT"
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}
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if [ $# != 2 ]; then
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echo "Usage: dtdiff <device tree> <device tree>" >&2
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exit 1
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fi
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diff -u <(source_and_sort "$1") <(source_and_sort "$2")
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