cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

update-dtc-source.sh (2573B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3# Simple script to update the version of DTC carried by the Linux kernel
      4#
      5# This script assumes that the dtc and the linux git trees are in the
      6# same directory. After building dtc in the dtc directory, it copies the
      7# source files and generated source file(s) into the scripts/dtc directory
      8# in the kernel and creates a git commit updating them to the new
      9# version.
     10#
     11# Usage: from the top level Linux source tree, run:
     12# $ ./scripts/dtc/update-dtc-source.sh
     13#
     14# The script will change into the dtc tree, build and test dtc, copy the
     15# relevant files into the kernel tree and create a git commit. The commit
     16# message will need to be modified to reflect the version of DTC being
     17# imported
     18#
     19# TODO:
     20# This script is pretty basic, but it is seldom used so a few manual tasks
     21# aren't a big deal. If anyone is interested in making it more robust, the
     22# the following would be nice:
     23# * Actually fail to complete if any testcase fails.
     24#   - The dtc "make check" target needs to return a failure
     25# * Extract the version number from the dtc repo for the commit message
     26# * Build dtc in the kernel tree
     27# * run 'make check" on dtc built from the kernel tree
     28
     29set -ev
     30
     31DTC_UPSTREAM_PATH=`pwd`/../dtc
     32DTC_LINUX_PATH=`pwd`/scripts/dtc
     33
     34DTC_SOURCE="checks.c data.c dtc.c dtc.h flattree.c fstree.c livetree.c srcpos.c \
     35		srcpos.h treesource.c util.c util.h version_gen.h \
     36		dtc-lexer.l dtc-parser.y"
     37LIBFDT_SOURCE="fdt.c fdt.h fdt_addresses.c fdt_empty_tree.c \
     38		fdt_overlay.c fdt_ro.c fdt_rw.c fdt_strerror.c fdt_sw.c \
     39		fdt_wip.c libfdt.h libfdt_env.h libfdt_internal.h"
     40FDTOVERLAY_SOURCE=fdtoverlay.c
     41
     42get_last_dtc_version() {
     43	git log --oneline scripts/dtc/ | grep 'upstream' | head -1 | sed -e 's/^.* \(.*\)/\1/'
     44}
     45
     46last_dtc_ver=$(get_last_dtc_version)
     47
     48# Build DTC
     49cd $DTC_UPSTREAM_PATH
     50make clean
     51make check
     52dtc_version=$(git describe HEAD)
     53dtc_log=$(git log --oneline ${last_dtc_ver}..)
     54
     55
     56# Copy the files into the Linux tree
     57cd $DTC_LINUX_PATH
     58for f in $DTC_SOURCE $FDTOVERLAY_SOURCE; do
     59	cp ${DTC_UPSTREAM_PATH}/${f} ${f}
     60	git add ${f}
     61done
     62for f in $LIBFDT_SOURCE; do
     63       cp ${DTC_UPSTREAM_PATH}/libfdt/${f} libfdt/${f}
     64       git add libfdt/${f}
     65done
     66
     67sed -i -- 's/#include <libfdt_env.h>/#include "libfdt_env.h"/g' ./libfdt/libfdt.h
     68sed -i -- 's/#include <fdt.h>/#include "fdt.h"/g' ./libfdt/libfdt.h
     69git add ./libfdt/libfdt.h
     70
     71commit_msg=$(cat << EOF
     72scripts/dtc: Update to upstream version ${dtc_version}
     73
     74This adds the following commits from upstream:
     75
     76${dtc_log}
     77EOF
     78)
     79
     80git commit -e -v -s -m "${commit_msg}"