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-rwxr-xr-xscripts/dtc/dtx_diff38
1 files changed, 27 insertions, 11 deletions
diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
index 8c4fbad2055e..f2bbde4bba86 100755
--- a/scripts/dtc/dtx_diff
+++ b/scripts/dtc/dtx_diff
@@ -1,10 +1,8 @@
#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
# Copyright (C) 2015 Frank Rowand
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License.
usage() {
@@ -21,6 +19,9 @@ Usage:
diff DTx_1 and DTx_2
+ --annotate synonym for -T
+ --color synonym for -c (requires diff with --color support)
+ -c enable colored output
-f print full dts in diff (--unified=99999)
-h synonym for --help
-help synonym for --help
@@ -28,6 +29,8 @@ Usage:
-s SRCTREE linux kernel source tree is at path SRCTREE
(default is current directory)
-S linux kernel source tree is at root of current git repo
+ -T annotate output .dts with input source file and line
+ (-T -T for more details)
-u unsorted, do not sort DTx
@@ -56,12 +59,8 @@ Otherwise DTx is treated as a dts source file (aka .dts).
or '/include/' to be processed.
If DTx_1 and DTx_2 are in different architectures, then this script
- may not work since \${ARCH} is part of the include path. Two possible
- workarounds:
-
- `basename $0` \\
- <(ARCH=arch_of_dtx_1 `basename $0` DTx_1) \\
- <(ARCH=arch_of_dtx_2 `basename $0` DTx_2)
+ may not work since \${ARCH} is part of the include path. The following
+ workaround can be used:
`basename $0` ARCH=arch_of_dtx_1 DTx_1 >tmp_dtx_1.dts
`basename $0` ARCH=arch_of_dtx_2 DTx_2 >tmp_dtx_2.dts
@@ -174,8 +173,10 @@ compile_to_dts() {
# ----- start of script
+annotate=""
cmd_diff=0
diff_flags="-u"
+diff_color=""
dtx_file_1=""
dtx_file_2=""
dtc_sort="-s"
@@ -187,6 +188,13 @@ while [ $# -gt 0 ] ; do
case $1 in
+ -c | --color )
+ if diff --color /dev/null /dev/null 2>/dev/null ; then
+ diff_color="--color=always"
+ fi
+ shift
+ ;;
+
-f )
diff_flags="--unified=999999"
shift
@@ -208,6 +216,14 @@ while [ $# -gt 0 ] ; do
shift
;;
+ -T | --annotate )
+ if [ "${annotate}" = "" ] ; then
+ annotate="-T"
+ elif [ "${annotate}" = "-T" ] ; then
+ annotate="-T -T"
+ fi
+ shift
+ ;;
-u )
dtc_sort=""
shift
@@ -327,14 +343,14 @@ cpp_flags="\
DTC="\
${DTC} \
-i ${srctree}/scripts/dtc/include-prefixes \
- -O dts -qq -f ${dtc_sort} -o -"
+ -O dts -qq -f ${dtc_sort} ${annotate} -o -"
# ----- do the diff or decompile
if (( ${cmd_diff} )) ; then
- diff ${diff_flags} --label "${dtx_file_1}" --label "${dtx_file_2}" \
+ diff ${diff_flags} ${diff_color} --label "${dtx_file_1}" --label "${dtx_file_2}" \
<(compile_to_dts "${dtx_file_1}" "${dtx_path_1_dtc_include}") \
<(compile_to_dts "${dtx_file_2}" "${dtx_path_2_dtc_include}")