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