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Diffstat (limited to '')
-rwxr-xr-x | scripts/dtc/update-dtc-source.sh | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/scripts/dtc/update-dtc-source.sh b/scripts/dtc/update-dtc-source.sh new file mode 100755 index 000000000..bc704e2a6 --- /dev/null +++ b/scripts/dtc/update-dtc-source.sh @@ -0,0 +1,79 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# Simple script to update the version of DTC carried by the Linux kernel +# +# This script assumes that the dtc and the linux git trees are in the +# same directory. After building dtc in the dtc directory, it copies the +# source files and generated source file(s) into the scripts/dtc directory +# in the kernel and creates a git commit updating them to the new +# version. +# +# Usage: from the top level Linux source tree, run: +# $ ./scripts/dtc/update-dtc-source.sh +# +# The script will change into the dtc tree, build and test dtc, copy the +# relevant files into the kernel tree and create a git commit. The commit +# message will need to be modified to reflect the version of DTC being +# imported +# +# TODO: +# This script is pretty basic, but it is seldom used so a few manual tasks +# aren't a big deal. If anyone is interested in making it more robust, the +# the following would be nice: +# * Actually fail to complete if any testcase fails. +# - The dtc "make check" target needs to return a failure +# * Extract the version number from the dtc repo for the commit message +# * Build dtc in the kernel tree +# * run 'make check" on dtc built from the kernel tree + +set -ev + +DTC_UPSTREAM_PATH=`pwd`/../dtc +DTC_LINUX_PATH=`pwd`/scripts/dtc + +DTC_SOURCE="checks.c data.c dtc.c dtc.h flattree.c fstree.c livetree.c srcpos.c \ + srcpos.h treesource.c util.c util.h version_gen.h yamltree.c \ + dtc-lexer.l dtc-parser.y" +LIBFDT_SOURCE="fdt.c fdt.h fdt_addresses.c fdt_empty_tree.c \ + fdt_overlay.c fdt_ro.c fdt_rw.c fdt_strerror.c fdt_sw.c \ + fdt_wip.c libfdt.h libfdt_env.h libfdt_internal.h" + +get_last_dtc_version() { + git log --oneline scripts/dtc/ | grep 'upstream' | head -1 | sed -e 's/^.* \(.*\)/\1/' +} + +last_dtc_ver=$(get_last_dtc_version) + +# Build DTC +cd $DTC_UPSTREAM_PATH +make clean +make check +dtc_version=$(git describe HEAD) +dtc_log=$(git log --oneline ${last_dtc_ver}..) + + +# Copy the files into the Linux tree +cd $DTC_LINUX_PATH +for f in $DTC_SOURCE; do + cp ${DTC_UPSTREAM_PATH}/${f} ${f} + git add ${f} +done +for f in $LIBFDT_SOURCE; do + cp ${DTC_UPSTREAM_PATH}/libfdt/${f} libfdt/${f} + git add libfdt/${f} +done + +sed -i -- 's/#include <libfdt_env.h>/#include "libfdt_env.h"/g' ./libfdt/libfdt.h +sed -i -- 's/#include <fdt.h>/#include "fdt.h"/g' ./libfdt/libfdt.h +git add ./libfdt/libfdt.h + +commit_msg=$(cat << EOF +scripts/dtc: Update to upstream version ${dtc_version} + +This adds the following commits from upstream: + +${dtc_log} +EOF +) + +git commit -e -v -s -m "${commit_msg}" |