util/genbuild_h/genbuild_h.sh

   1 #!/bin/sh
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-only
   4
   5 DATE=""
   6 GITREV=""
   7 TIMESOURCE=""
   8
   9 export LANG=C
  10 export LC_ALL=C
  11 export TZ=UTC0
  12
  13 XCOMPILE=$1
  14
  15 if [ -z "$XCOMPILE" ] || [ "$1" = "--help" ]; then
  16         echo "usage: $0 <xcompile>" >&2
  17         exit 1
  18 fi
  19
  20 # $1: format string
  21 get_git_head_data() {
  22         LANG= git log --no-show-signature -1 --format="format:$1" 2>/dev/null || \
  23         LANG= git log -1 --format="format:$1"
  24 }
  25
  26 if [ "${BUILD_TIMELESS}" = "1" ]; then
  27         GITREV=Timeless
  28         TIMESOURCE="fixed"
  29         DATE=0
  30 elif [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
  31         GITREV=$(get_git_head_data %h)
  32         TIMESOURCE=git
  33         DATE=$(get_git_head_data %ct)
  34 else
  35         GITREV=Unknown
  36         TIMESOURCE="date"
  37         DATE=$(LANG= LC_ALL=C TZ=UTC0 date +%s)
  38 fi
  39
  40 our_date() {
  41 case $(uname) in
  42 NetBSD|OpenBSD|DragonFly|FreeBSD|Darwin)
  43         date -r $1 $2
  44         ;;
  45 *)
  46         date -d @$1 $2
  47 esac
  48 }
  49
  50 IASL=util/crossgcc/xgcc/bin/iasl
  51 eval $(grep ^IASL:= "$XCOMPILE" 2>/dev/null | sed s,:=,=,)
  52
  53 #Print out the information that goes into build.h
  54 printf "/* build system definitions (autogenerated) */\n"
  55 printf "#ifndef __BUILD_H\n"
  56 printf "#define __BUILD_H\n\n"
  57 printf "#define COREBOOT_VERSION %s\n" "\"$KERNELVERSION\""
  58
  59 #See if the build is running in a git repo and the git command is available
  60 printf "/* timesource: $TIMESOURCE */\n"
  61 printf "#define COREBOOT_VERSION_TIMESTAMP $DATE\n"
  62 printf "#define COREBOOT_ORIGIN_GIT_REVISION \"$GITREV\"\n"
  63
  64 printf "#define COREBOOT_EXTRA_VERSION \"%s\"\n" "$COREBOOT_EXTRA_VERSION"
  65 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/'`
  66 printf "#define COREBOOT_BUILD \"$(our_date "$DATE")\"\n"
  67 printf "#define COREBOOT_BUILD_YEAR_BCD 0x$(our_date "$DATE" +%y)\n"
  68 printf "#define COREBOOT_BUILD_MONTH_BCD 0x$(our_date "$DATE" +%m)\n"
  69 printf "#define COREBOOT_BUILD_DAY_BCD 0x$(our_date "$DATE" +%d)\n"
  70 printf "#define COREBOOT_BUILD_WEEKDAY_BCD 0x$(our_date "$DATE" +%w)\n"
  71 printf "#define COREBOOT_DMI_DATE \"$(our_date "$DATE" +%m/%d/%Y)\"\n"
  72 printf "\n"
  73 printf "#define COREBOOT_COMPILE_TIME \"$(our_date "$DATE" +%T)\"\n"
  74 printf "#define ASL_VERSION 0x%d\n" `$IASL -v | grep version | sed 's/.*version //'`
  75 printf "#endif\n"