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
 14set -eu
 15
 16#
 17# Some variables and settings used throughout the script
 18#
 19tmpdir=$1
 20
 21#
 22# Clean-up and re-create the temporary directory
 23#
 24rm -rf -- "${tmpdir}"
 25mkdir -p -- "${tmpdir}/boot"
 26
 27
 28#
 29# Try to install dtbs
 30#
 31if grep -q '^CONFIG_OF_EARLY_FLATTREE=y' include/config/auto.conf; then
 32	# Only some architectures with OF support have this target
 33	if [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
 34		$MAKE ARCH="${ARCH}" -f ${srctree}/Makefile INSTALL_DTBS_PATH="${tmpdir}/boot/dtbs/${KERNELRELEASE}" dtbs_install
 35    fi
 36fi
 37
 38
 39#
 40# Install modules
 41#
 42make ARCH="${ARCH}" -f ${srctree}/Makefile INSTALL_MOD_PATH="${tmpdir}" modules_install
 43
 44
 45#
 46# Install basic kernel files
 47#
 48cp -v -- "${objtree}/System.map" "${tmpdir}/boot/System.map-${KERNELRELEASE}"
 49cp -v -- "${KCONFIG_CONFIG}" "${tmpdir}/boot/config-${KERNELRELEASE}"
 50cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 51
 52
 53#
 54# Install arch-specific kernel image(s)
 55#
 56# Note:
 57#   mips and arm64 copy the first image found. This may not produce the desired
 58#   outcome because it may pick up a stale file remaining in the build tree.
 59#
 60case "${ARCH}" in
 61	alpha)
 62		cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 63		;;
 64	parisc*)
 65		cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 66		[ -f "${objtree}/lifimage" ] && cp -v -- "${objtree}/lifimage" "${tmpdir}/boot/lifimage-${KERNELRELEASE}"
 67		;;
 68	mips)
 69		# Please note the following code may copy a stale file.
 70		if [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.bin" ]; then
 71			cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.bin" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 72		elif [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.ecoff" ]; then
 73			cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.ecoff" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 74		elif [ -f "${objtree}/arch/mips/boot/compressed/vmlinux.srec" ]; then
 75			cp -v -- "${objtree}/arch/mips/boot/compressed/vmlinux.srec" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 76		elif [ -f "${objtree}/vmlinux.32" ]; then
 77			cp -v -- "${objtree}/vmlinux.32" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 78		elif [ -f "${objtree}/vmlinux.64" ]; then
 79			cp -v -- "${objtree}/vmlinux.64" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 80		elif [ -f "${objtree}/arch/mips/boot/vmlinux.bin" ]; then
 81			cp -v -- "${objtree}/arch/mips/boot/vmlinux.bin" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 82		elif [ -f "${objtree}/arch/mips/boot/vmlinux.ecoff" ]; then
 83			cp -v -- "${objtree}/arch/mips/boot/vmlinux.ecoff" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 84		elif [ -f "${objtree}/arch/mips/boot/vmlinux.srec" ]; then
 85			cp -v -- "${objtree}/arch/mips/boot/vmlinux.srec" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 86		elif [ -f "${objtree}/vmlinux" ]; then
 87			cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 88		fi
 89		;;
 90	arm64)
 91		# Please note the following code may copy a stale file.
 92		for i in Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo vmlinuz.efi ; do
 93			if [ -f "${objtree}/arch/arm64/boot/${i}" ] ; then
 94				cp -v -- "${objtree}/arch/arm64/boot/${i}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 95				break
 96			fi
 97		done
 98		;;
 99	riscv)
100		case "${KBUILD_IMAGE##*/}" in
101			Image.*|vmlinuz.efi)
102				cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}";;
103			*)
104				cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}";;
105		esac
106		;;
107	*)
108		cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
109		;;
110esac