1 #! /bin/bash 2 3 # This script uses the bash <(...) extension. 4 # If you want to change this to work with a generic /bin/sh, make sure 5 # you fix that. 6 7 8 DTC=dtc 9 10 source_and_sort () { 11 DT="$1" 12 if [ -d "$DT" ]; then 13 IFORMAT=fs 14 elif [ -f "$DT" ]; then 15 case "$DT" in 16 *.dts) 17 IFORMAT=dts 18 ;; 19 *.dtb) 20 IFORMAT=dtb 21 ;; 22 esac 23 fi 24 25 if [ -z "$IFORMAT" ]; then 26 echo "Unrecognized format for $DT" >&2 27 exit 2 28 fi 29 30 $DTC -I $IFORMAT -O dts -qq -f -s -o - "$DT" 31 } 32 33 if [ $# != 2 ]; then 34 echo "Usage: dtdiff <device tree> <device tree>" >&2 35 exit 1 36 fi 37 38 diff -u <(source_and_sort "$1") <(source_and_sort "$2") 39
