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
111