From: frowand.list@gmail.com
To: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Julia Lawall <julia.lawall@lip6.fr>
Subject: [PATCH] of: add dtc annotations functionality to dtx_diff
Date: Mon, 26 Nov 2018 04:01:09 -0800 [thread overview]
Message-ID: <1543233669-8696-1-git-send-email-frowand.list@gmail.com> (raw)
From: Frank Rowand <frank.rowand@sony.com>
Add -T and --annotations command line arguments to dtx_diff. These
arguments will be passed through to dtc. dtc will then add source
location annotations to its output.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
---
This feature depends upon commit 5667e7ef9a9a ("annotations: add the
annotation functionality") in the dtc git repository. To use the
new flags before the new version of dtc is imported to the linux
kernel, download the dtc repository, compile dtc with the make command,
then add the path of the dtc repository to the shell PATH variable.
scripts/dtc/dtx_diff | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
index 8c4fbad2055e..0d8572008729 100755
--- a/scripts/dtc/dtx_diff
+++ b/scripts/dtc/dtx_diff
@@ -21,6 +21,7 @@ Usage:
diff DTx_1 and DTx_2
+ --annotate synonym for -T
-f print full dts in diff (--unified=99999)
-h synonym for --help
-help synonym for --help
@@ -28,6 +29,7 @@ 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
@@ -174,6 +176,7 @@ compile_to_dts() {
# ----- start of script
+annotate=""
cmd_diff=0
diff_flags="-u"
dtx_file_1=""
@@ -208,6 +211,14 @@ 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
@@ -327,7 +338,7 @@ 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
--
Frank Rowand <frank.rowand@sony.com>
next reply other threads:[~2018-11-26 12:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-26 12:01 frowand.list [this message]
2018-11-26 12:26 ` [PATCH] of: add dtc annotations functionality to dtx_diff Julia Lawall
2018-12-11 21:58 ` Frank Rowand
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