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