coreboot/util/genbuild_h/genbuild_h.sh

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#!/bin/sh
# This file is part of the coreboot project.
#
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
DATE=""
GITREV=""
TIMESOURCE=""
export LANG=C
export LC_ALL=C
export TZ=UTC0
XCOMPILE=$1
if [ -z "$XCOMPILE" ] || [ "$1" = "--help" ]; then
echo "usage: $0 <xcompile>" >&2
exit 1
fi
# $1: format string
get_git_head_data() {
LANG= git log --no-show-signature -1 --format="format:$1" 2>/dev/null || \
LANG= git log -1 --format="format:$1"
}
if [ "${BUILD_TIMELESS}" = "1" ]; then
GITREV=Timeless
TIMESOURCE="fixed"
DATE=0
elif [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
GITREV=$(get_git_head_data %h)
TIMESOURCE=git
DATE=$(get_git_head_data %ct)
else
GITREV=Unknown
TIMESOURCE="date"
DATE=$(LANG= LC_ALL=C TZ=UTC0 date +%s)
fi
our_date() {
case $(uname) in
NetBSD|OpenBSD|DragonFly|FreeBSD|Darwin)
date -r $1 $2
;;
*)
date -d @$1 $2
esac
}
IASL=util/crossgcc/xgcc/bin/iasl
eval $(grep ^IASL:= "$XCOMPILE" 2>/dev/null | sed s,:=,=,)
#Print out the information that goes into build.h
printf "/* build system definitions (autogenerated) */\n"
printf "#ifndef __BUILD_H\n"
printf "#define __BUILD_H\n\n"
printf "#define COREBOOT_VERSION %s\n" "\"$KERNELVERSION\""
#See if the build is running in a git repo and the git command is available
printf "/* timesource: $TIMESOURCE */\n"
printf "#define COREBOOT_VERSION_TIMESTAMP $DATE\n"
printf "#define COREBOOT_ORIGIN_GIT_REVISION \"$GITREV\"\n"
printf "#define COREBOOT_EXTRA_VERSION \"%s\"\n" "$COREBOOT_EXTRA_VERSION"
printf "#define COREBOOT_MAJOR_VERSION %d\n#define COREBOOT_MINOR_VERSION %d\n" `git describe --match [0-9].[0-9]* | sed 's/\([0-9]\)\.\([0-9]\+\).*/\1 \2/'`
printf "#define COREBOOT_BUILD \"$(our_date "$DATE")\"\n"
printf "#define COREBOOT_BUILD_YEAR_BCD 0x$(our_date "$DATE" +%y)\n"
printf "#define COREBOOT_BUILD_MONTH_BCD 0x$(our_date "$DATE" +%m)\n"
printf "#define COREBOOT_BUILD_DAY_BCD 0x$(our_date "$DATE" +%d)\n"
printf "#define COREBOOT_BUILD_WEEKDAY_BCD 0x$(our_date "$DATE" +%w)\n"
printf "#define COREBOOT_DMI_DATE \"$(our_date "$DATE" +%m/%d/%Y)\"\n"
printf "\n"
printf "#define COREBOOT_COMPILE_TIME \"$(our_date "$DATE" +%T)\"\n"
printf "#define ASL_VERSION 0x%d\n" `$IASL -v | grep version | sed 's/.*version //'`
printf "#endif\n"