#!/bin/sh # # Copyright (C) 1995 - 1998, Ian A. Murdock <imurdock@debian.org> # Copyright (C) 1998, 1999, Guy Maor # Copyright (C) 2002, Matthew Wilcox # Copyright (C) 2002, 2004, 2005, 2007, 2009 Clint Adams # Copyright (C) 2009 Manoj Srivasta # # Install the kernel on a Debian Linux system. # # This script is called from /usr/src/linux/arch/i386/boot/install.sh. # If you install it as /sbin/installkernel, you can do a "make install" # from a generic kernel source tree, and the image will be installed to # the proper place for Debian GNU/Linux. set -e # Parse the command line options. Of course, powerpc has to be all # different, and passes in a fifth argument, just because it is # "special". We ignore the fifth argument, and do not flag is as an # error, which it would be for any arch apart from powerpc if [ $# -eq 3 ] || [ $# -eq 4 ] || [ $# -eq 5 ] ; then img="$2" map="$3" ver="$1" if [ $# -ge 4 ] && [ -n "$4" ] ; then dir="$4" else dir="/boot" fi else echo "Usage: installkernel <version> <image> <System.map> <directory>" exit 1 fi # Create backups of older versions before installing updatever () { if [ -f "$dir/$1-$ver" ] ; then mv "$dir/$1-$ver" "$dir/$1-$ver.old" fi cat "$2" > "$dir/$1-$ver" # This section is for backwards compatibility only if test -f "$dir/$1" ; then # The presence of "$dir/$1" is unusual in modern intallations, and # the results are mostly unused. So only recreate them if they # already existed. if test -L "$dir/$1" ; then # If we were using links, continue to use links, updating if # we need to. if [ "$(readlink -f ${dir}/${1})" = "${dir}/${1}-${ver}" ]; then # Yup, we need to change ln -sf "$1-$ver.old" "$dir/$1.old" else mv "$dir/$1" "$dir/$1.old" fi ln -sf "$1-$ver" "$dir/$1" else # No links mv "$dir/$1" "$dir/$1.old" cat "$2" > "$dir/$1" fi fi } if [ "$(basename $img)" = "vmlinux" ] ; then img_dest=vmlinux else img_dest=vmlinuz fi updatever $img_dest "$img" updatever System.map "$map" config=$(dirname "$map") config="${config}/.config" if [ -f "$config" ] ; then updatever config "$config" fi # If installing in the usual directory, run the same scripts that hook # into kernel package installation. Also make sure the PATH includes # /usr/sbin and /sbin, just as dpkg would. if [ "$dir" = "/boot" ]; then PATH="$PATH:/usr/sbin:/sbin" \ run-parts --verbose --exit-on-error --arg="$ver" --arg="$dir/$img_dest-$ver" \ /etc/kernel/postinst.d fi exit 0