1*d18719a4STom Rini#!/bin/sh 2*d18719a4STom Rini# Simple script to update the version of DTC carried by the Linux kernel 3*d18719a4STom Rini# 4*d18719a4STom Rini# This script assumes that the dtc and the linux git trees are in the 5*d18719a4STom Rini# same directory. After building dtc in the dtc directory, it copies the 6*d18719a4STom Rini# source files and generated source files into the scripts/dtc directory 7*d18719a4STom Rini# in the kernel and creates a git commit updating them to the new 8*d18719a4STom Rini# version. 9*d18719a4STom Rini# 10*d18719a4STom Rini# Usage: from the top level Linux source tree, run: 11*d18719a4STom Rini# $ ./scripts/dtc/update-dtc-source.sh 12*d18719a4STom Rini# 13*d18719a4STom Rini# The script will change into the dtc tree, build and test dtc, copy the 14*d18719a4STom Rini# relevant files into the kernel tree and create a git commit. The commit 15*d18719a4STom Rini# message will need to be modified to reflect the version of DTC being 16*d18719a4STom Rini# imported 17*d18719a4STom Rini# 18*d18719a4STom Rini# TODO: 19*d18719a4STom Rini# This script is pretty basic, but it is seldom used so a few manual tasks 20*d18719a4STom Rini# aren't a big deal. If anyone is interested in making it more robust, the 21*d18719a4STom Rini# the following would be nice: 22*d18719a4STom Rini# * Actually fail to complete if any testcase fails. 23*d18719a4STom Rini# - The dtc "make check" target needs to return a failure 24*d18719a4STom Rini# * Extract the version number from the dtc repo for the commit message 25*d18719a4STom Rini# * Build dtc in the kernel tree 26*d18719a4STom Rini# * run 'make check" on dtc built from the kernel tree 27*d18719a4STom Rini 28*d18719a4STom Riniset -ev 29*d18719a4STom Rini 30*d18719a4STom RiniDTC_UPSTREAM_PATH=`pwd`/../dtc 31*d18719a4STom RiniDTC_LINUX_PATH=`pwd`/scripts/dtc 32*d18719a4STom Rini 33*d18719a4STom RiniDTC_SOURCE="checks.c data.c dtc.c dtc.h flattree.c fstree.c livetree.c srcpos.c \ 34*d18719a4STom Rini srcpos.h treesource.c util.c util.h version_gen.h Makefile.dtc \ 35*d18719a4STom Rini dtc-lexer.l dtc-parser.y" 36*d18719a4STom RiniDTC_GENERATED="dtc-lexer.lex.c dtc-parser.tab.c dtc-parser.tab.h" 37*d18719a4STom RiniLIBFDT_SOURCE="Makefile.libfdt fdt.c fdt.h fdt_empty_tree.c fdt_ro.c fdt_rw.c fdt_strerror.c fdt_sw.c fdt_wip.c libfdt.h libfdt_env.h libfdt_internal.h" 38*d18719a4STom Rini 39*d18719a4STom Riniget_last_dtc_version() { 40*d18719a4STom Rini git log --oneline scripts/dtc/ | grep 'upstream' | head -1 | sed -e 's/^.* \(.*\)/\1/' 41*d18719a4STom Rini} 42*d18719a4STom Rini 43*d18719a4STom Rinilast_dtc_ver=$(get_last_dtc_version) 44*d18719a4STom Rini 45*d18719a4STom Rini# Build DTC 46*d18719a4STom Rinicd $DTC_UPSTREAM_PATH 47*d18719a4STom Rinimake clean 48*d18719a4STom Rinimake check 49*d18719a4STom Rinidtc_version=$(git describe HEAD) 50*d18719a4STom Rinidtc_log=$(git log --oneline ${last_dtc_ver}..) 51*d18719a4STom Rini 52*d18719a4STom Rini 53*d18719a4STom Rini# Copy the files into the Linux tree 54*d18719a4STom Rinicd $DTC_LINUX_PATH 55*d18719a4STom Rinifor f in $DTC_SOURCE; do 56*d18719a4STom Rini cp ${DTC_UPSTREAM_PATH}/${f} ${f} 57*d18719a4STom Rini git add ${f} 58*d18719a4STom Rinidone 59*d18719a4STom Rinifor f in $DTC_GENERATED; do 60*d18719a4STom Rini cp ${DTC_UPSTREAM_PATH}/$f ${f}_shipped 61*d18719a4STom Rini git add ${f}_shipped 62*d18719a4STom Rinidone 63*d18719a4STom Rinifor f in $LIBFDT_SOURCE; do 64*d18719a4STom Rini cp ${DTC_UPSTREAM_PATH}/libfdt/${f} libfdt/${f} 65*d18719a4STom Rini git add libfdt/${f} 66*d18719a4STom Rinidone 67*d18719a4STom Rini 68*d18719a4STom Rinised -i -- 's/#include <libfdt_env.h>/#include "libfdt_env.h"/g' ./libfdt/libfdt.h 69*d18719a4STom Rinised -i -- 's/#include <fdt.h>/#include "fdt.h"/g' ./libfdt/libfdt.h 70*d18719a4STom Rinigit add ./libfdt/libfdt.h 71*d18719a4STom Rini 72*d18719a4STom Rinicommit_msg=$(cat << EOF 73*d18719a4STom Riniscripts/dtc: Update to upstream version ${dtc_version} 74*d18719a4STom Rini 75*d18719a4STom RiniThis adds the following commits from upstream: 76*d18719a4STom Rini 77*d18719a4STom Rini${dtc_log} 78*d18719a4STom RiniEOF 79*d18719a4STom Rini) 80*d18719a4STom Rini 81*d18719a4STom Rinigit commit -e -v -s -m "${commit_msg}" 82