scripts/package/buildtar

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 #
   5 # buildtar 0.0.5
   6 #
   7 # (C) 2004-2006 by Jan-Benedict Glaw <jbglaw@lug-owl.de>
   8 #
   9 # This script is used to compile a tarball from the currently
  10 # prepared kernel. Based upon the builddeb script from
  11 # Wichert Akkerman <wichert@wiggy.net>.
  12 #
  13
  14 set -e
  15
  16 #
  17 # Some variables and settings used throughout the script
  18 #
  19 tmpdir="${objtree}/tar-install"
  20 tarball="${objtree}/linux-${KERNELRELEASE}-${ARCH}.tar"
  21
  22
  23 #
  24 # Figure out how to compress, if requested at all
  25 #
  26 case "${1}" in
  27         dir-pkg|tar-pkg)
  28                 opts=
  29                 ;;
  30         targz-pkg)
  31                 opts="-I ${KGZIP}"
  32                 tarball=${tarball}.gz
  33                 ;;
  34         tarbz2-pkg)
  35                 opts="-I ${KBZIP2}"
  36                 tarball=${tarball}.bz2
  37                 ;;
  38         tarxz-pkg)
  39                 opts="-I ${XZ}"
  40                 tarball=${tarball}.xz
  41                 ;;
  42         tarzst-pkg)
  43                 opts="-I ${ZSTD}"
  44                 tarball=${tarball}.zst
  45                 ;;
  46         *)
  47                 echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2
  48                 exit 1
  49                 ;;
  50 esac
  51
  52
  53 #
  54 # Clean-up and re-create the temporary directory
  55 #
  56 rm -rf -- "${tmpdir}"
  57 mkdir -p -- "${tmpdir}/boot"
  58 dirs=boot
  59
  60
  61 #
  62 # Try to install dtbs
  63 #
  64 if grep -q '^CONFIG_OF_EARLY_FLATTREE=y' include/config/auto.conf; then
  65         # Only some architectures with OF support have this target
  66         if [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
  67                 $MAKE ARCH="${ARCH}" -f ${srctree}/Makefile INSTALL_DTBS_PATH="${tmpdir}/boot/dtbs/${KERNELRELEASE}" dtbs_install
  68     fi
  69 fi
  70
  71
  72 #
  73 # Try to install modules
  74 #
  75 if grep -q '^CONFIG_MODULES=y' include/config/auto.conf; then
  76         make ARCH="${ARCH}" -f ${srctree}/Makefile INSTALL_MOD_PATH="${tmpdir}" modules_install
  77         dirs="$dirs lib"
  78 fi
  79
  80
  81 #
  82 # Install basic kernel files
  83 #
  84 cp -v -- "${objtree}/System.map" "${tmpdir}/boot/System.map-${KERNELRELEASE}"
  85 cp -v -- "${KCONFIG_CONFIG}" "${tmpdir}/boot/config-${KERNELRELEASE}"
  86 cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
  87
  88
  89 #
  90 # Install arch-specific kernel image(s)
  91 #
  92 case "${ARCH}" in
  93         x86|i386|x86_64)
  94                 [ -f "${objtree}/arch/x86/boot/bzImage" ] && cp -v -- "${objtree}/arch/x86/boot/bzImage" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
  95                 ;;
  96         alpha)
  97                 [ -f "${objtree}/arch/alpha/boot/vmlinux.gz" ] && cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
  98                 ;;
  99         parisc*)
 100                 [ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 101                 [ -f "${objtree}/lifimage" ] && cp -v -- "${objtree}/lifimage" "${tmpdir}/boot/lifimage-${KERNELRELEASE}"
 102                 ;;
 103         mips)
 104                 if [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.bin" ]; then
 105                         cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.bin" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 106                 elif [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.ecoff" ]; then
 107                         cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.ecoff" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 108                 elif [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.srec" ]; then
 109                         cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.srec" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 110                 elif [ -f "${objtree}/vmlinux.32" ]; then
 111                         cp -v -- "${objtree}/vmlinux.32" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 112                 elif [ -f "${objtree}/vmlinux.64" ]; then
 113                         cp -v -- "${objtree}/vmlinux.64" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 114                 elif [ -f "${objtree}/arch/mips/boot/vmlinux.bin" ]; then
 115                         cp -v -- "${objtree}/arch/mips/boot/vmlinux.bin" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 116                 elif [ -f "${objtree}/arch/mips/boot/vmlinux.ecoff" ]; then
 117                         cp -v -- "${objtree}/arch/mips/boot/vmlinux.ecoff" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 118                 elif [ -f "${objtree}/arch/mips/boot/vmlinux.srec" ]; then
 119                         cp -v -- "${objtree}/arch/mips/boot/vmlinux.srec" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 120                 elif [ -f "${objtree}/vmlinux" ]; then
 121                         cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 122                 fi
 123                 ;;
 124         arm64)
 125                 for i in Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo ; do
 126                         if [ -f "${objtree}/arch/arm64/boot/${i}" ] ; then
 127                                 cp -v -- "${objtree}/arch/arm64/boot/${i}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 128                                 break
 129                         fi
 130                 done
 131                 ;;
 132         riscv)
 133                 for i in Image.bz2 Image.gz Image; do
 134                         if [ -f "${objtree}/arch/riscv/boot/${i}" ] ; then
 135                                 cp -v -- "${objtree}/arch/riscv/boot/${i}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 136                                 break
 137                         fi
 138                 done
 139                 ;;
 140         *)
 141                 [ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-kbuild-${KERNELRELEASE}"
 142                 echo "" >&2
 143                 echo '** ** **  WARNING  ** ** **' >&2
 144                 echo "" >&2
 145                 echo "Your architecture did not define any architecture-dependent files" >&2
 146                 echo "to be placed into the tarball. Please add those to ${0} ..." >&2
 147                 echo "" >&2
 148                 sleep 5
 149                 ;;
 150 esac
 151
 152 if [ "${1}" = dir-pkg ]; then
 153         echo "Kernel tree successfully created in $tmpdir"
 154         exit 0
 155 fi
 156
 157 #
 158 # Create the tarball
 159 #
 160 if tar --owner=root --group=root --help >/dev/null 2>&1; then
 161         opts="$opts --owner=root --group=root"
 162 fi
 163
 164 tar cf $tarball -C $tmpdir $opts $dirs
 165
 166 echo "Tarball successfully created in $tarball"
 167
 168 exit 0