xref: /openbmc/linux/scripts/package/buildtar (revision baa7eb025ab14f3cba2e35c0a8648f9c9f01d24f)
1#!/bin/sh
2
3#
4# buildtar 0.0.4
5#
6# (C) 2004-2006 by Jan-Benedict Glaw <jbglaw@lug-owl.de>
7#
8# This script is used to compile a tarball from the currently
9# prepared kernel. Based upon the builddeb script from
10# Wichert Akkerman <wichert@wiggy.net>.
11#
12
13set -e
14
15#
16# Some variables and settings used throughout the script
17#
18tmpdir="${objtree}/tar-install"
19tarball="${objtree}/linux-${KERNELRELEASE}.tar"
20
21
22#
23# Figure out how to compress, if requested at all
24#
25case "${1}" in
26	tar-pkg)
27		compress="cat"
28		file_ext=""
29		;;
30	targz-pkg)
31		compress="gzip -c9"
32		file_ext=".gz"
33		;;
34	tarbz2-pkg)
35		compress="bzip2 -c9"
36		file_ext=".bz2"
37		;;
38	*)
39		echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2
40		exit 1
41		;;
42esac
43
44
45#
46# Clean-up and re-create the temporary directory
47#
48rm -rf -- "${tmpdir}"
49mkdir -p -- "${tmpdir}/boot"
50
51
52#
53# Try to install modules
54#
55if grep -q '^CONFIG_MODULES=y' "${objtree}/.config"; then
56	make ARCH="${ARCH}" O="${objtree}" KBUILD_SRC= INSTALL_MOD_PATH="${tmpdir}" modules_install
57fi
58
59
60#
61# Install basic kernel files
62#
63cp -v -- "${objtree}/System.map" "${tmpdir}/boot/System.map-${KERNELRELEASE}"
64cp -v -- "${objtree}/.config" "${tmpdir}/boot/config-${KERNELRELEASE}"
65cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
66
67
68#
69# Install arch-specific kernel image(s)
70#
71case "${ARCH}" in
72	x86|i386|x86_64)
73		[ -f "${objtree}/arch/x86/boot/bzImage" ] && cp -v -- "${objtree}/arch/x86/boot/bzImage" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
74		;;
75	alpha)
76		[ -f "${objtree}/arch/alpha/boot/vmlinux.gz" ] && cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
77		;;
78	parisc*)
79		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
80		[ -f "${objtree}/lifimage" ] && cp -v -- "${objtree}/lifimage" "${tmpdir}/boot/lifimage-${KERNELRELEASE}"
81		;;
82	vax)
83		[ -f "${objtree}/vmlinux.SYS" ] && cp -v -- "${objtree}/vmlinux.SYS" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}.SYS"
84		[ -f "${objtree}/vmlinux.dsk" ] && cp -v -- "${objtree}/vmlinux.dsk" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}.dsk"
85		;;
86	*)
87		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-kbuild-${KERNELRELEASE}"
88		echo "" >&2
89		echo '** ** **  WARNING  ** ** **' >&2
90		echo "" >&2
91		echo "Your architecture did not define any architecture-dependant files" >&2
92		echo "to be placed into the tarball. Please add those to ${0} ..." >&2
93		echo "" >&2
94		sleep 5
95		;;
96esac
97
98
99#
100# Create the tarball
101#
102(
103	cd "${tmpdir}"
104	opts=
105	if tar --owner=root --group=root --help >/dev/null 2>&1; then
106		opts="--owner=root --group=root"
107	fi
108	tar cf - . $opts | ${compress} > "${tarball}${file_ext}"
109)
110
111echo "Tarball successfully created in ${tarball}${file_ext}"
112
113exit 0
114
115