xref: /openbmc/linux/scripts/package/buildtar (revision 54525552)
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	tarxz-pkg)
39		compress="xz -c9"
40		file_ext=".xz"
41		;;
42	*)
43		echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2
44		exit 1
45		;;
46esac
47
48
49#
50# Clean-up and re-create the temporary directory
51#
52rm -rf -- "${tmpdir}"
53mkdir -p -- "${tmpdir}/boot"
54
55
56#
57# Try to install modules
58#
59if grep -q '^CONFIG_MODULES=y' "${objtree}/.config"; then
60	make ARCH="${ARCH}" O="${objtree}" KBUILD_SRC= INSTALL_MOD_PATH="${tmpdir}" modules_install
61fi
62
63
64#
65# Install basic kernel files
66#
67cp -v -- "${objtree}/System.map" "${tmpdir}/boot/System.map-${KERNELRELEASE}"
68cp -v -- "${objtree}/.config" "${tmpdir}/boot/config-${KERNELRELEASE}"
69cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
70
71
72#
73# Install arch-specific kernel image(s)
74#
75case "${ARCH}" in
76	x86|i386|x86_64)
77		[ -f "${objtree}/arch/x86/boot/bzImage" ] && cp -v -- "${objtree}/arch/x86/boot/bzImage" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
78		;;
79	alpha)
80		[ -f "${objtree}/arch/alpha/boot/vmlinux.gz" ] && cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
81		;;
82	parisc*)
83		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
84		[ -f "${objtree}/lifimage" ] && cp -v -- "${objtree}/lifimage" "${tmpdir}/boot/lifimage-${KERNELRELEASE}"
85		;;
86	vax)
87		[ -f "${objtree}/vmlinux.SYS" ] && cp -v -- "${objtree}/vmlinux.SYS" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}.SYS"
88		[ -f "${objtree}/vmlinux.dsk" ] && cp -v -- "${objtree}/vmlinux.dsk" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}.dsk"
89		;;
90	*)
91		[ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-kbuild-${KERNELRELEASE}"
92		echo "" >&2
93		echo '** ** **  WARNING  ** ** **' >&2
94		echo "" >&2
95		echo "Your architecture did not define any architecture-dependent files" >&2
96		echo "to be placed into the tarball. Please add those to ${0} ..." >&2
97		echo "" >&2
98		sleep 5
99		;;
100esac
101
102
103#
104# Create the tarball
105#
106(
107	cd "${tmpdir}"
108	opts=
109	if tar --owner=root --group=root --help >/dev/null 2>&1; then
110		opts="--owner=root --group=root"
111	fi
112	tar cf - . $opts | ${compress} > "${tarball}${file_ext}"
113)
114
115echo "Tarball successfully created in ${tarball}${file_ext}"
116
117exit 0
118
119