Archlinux now support pacman hooks that automatically handle both building modules through dkms and rebuilding the initcpio. For this reason, support scripts are not required anymore.pull/3/merge
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#!/bin/sh
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2015 Marek Marczykowski-Górecki
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# <marmarekp@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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set -e
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basedir=/var/lib/qubes/vm-kernels
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function recompile_u2mfn() {
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kver=$1
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u2mfn_ver=`dkms status u2mfn|tail -n 1|cut -f 2 -d ' '|tr -d ':,'`
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if ! modinfo -k "$kver" -n u2mfn 2>&1 > /dev/null; then
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echo "Module u2mfn not available. Checking available source to be built."
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u2mfn_ver=`cat /usr/src/u2mfn-*/dkms.conf | grep PACKAGE_VERSION | cut -d "=" -f 2 | tr -d '"' | sort -u | head -n 1`
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if [ -z "$u2mfn_ver" ] ; then
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echo "No source found for u2mfn. Is qubes-vm-kernel-support installed correctly?"
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return 1
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else
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echo "Found sources for u2mfn version $u2mfn_ver"
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fi
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dkms install u2mfn/$u2mfn_ver -k $kver --no-initrd
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fi
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}
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function build_modules_img() {
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kver=$1
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output_file=$2
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mkdir /tmp/qubes-modules-$kver
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truncate -s 400M /tmp/qubes-modules-$kver.img
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mkfs -t ext3 -F /tmp/qubes-modules-$kver.img > /dev/null
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mount /tmp/qubes-modules-$kver.img /tmp/qubes-modules-$kver -o loop
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cp -a -t /tmp/qubes-modules-$kver /lib/modules/$kver
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umount /tmp/qubes-modules-$kver
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rmdir /tmp/qubes-modules-$kver
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mv /tmp/qubes-modules-$kver.img $output_file
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}
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function build_initramfs() {
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kver=$1
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output_file=$2
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/sbin/dracut --nomdadmconf --nolvmconf --force \
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--modules "kernel-modules qubes-vm-simple" \
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--conf /dev/null --confdir /var/empty \
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-d "xenblk xen-blkfront cdrom ext4 jbd2 crc16 dm_snapshot" \
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$output_file $kver
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chmod 644 "$output_file"
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}
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function build_initcpio() {
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kver=$1
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output_file=$2
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mkinitcpio -k "$kver" -g "$output_file" -A qubes,lvm2
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chmod 644 "$output_file"
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}
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if [ -z "$1" ]; then
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echo "Usage: $0 <kernel-version> <kernel-name> [<display-kernel-version>]" >&2
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exit 1
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fi
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if [ ! -d /lib/modules/$1 ]; then
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echo "ERROR: Kernel version $1 not installed" >&2
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exit 1
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fi
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kernel_version=$1
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if [ -n "$2" ]; then
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kernel_code="-linux-$2"
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else
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kernel_code="-linux"
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fi
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if [ -n "$3" ]; then
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output_dir="$basedir/$3"
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else
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output_dir="$basedir/$kernel_version"
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fi
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echo "--> Building files for $kernel_version in $output_dir"
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echo "---> Recompiling kernel module (u2mfn)"
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recompile_u2mfn "$kernel_version"
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mkdir -p "$output_dir"
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cp "/boot/vmlinuz$kernel_code" "$output_dir/vmlinuz$kernel_code"
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echo "---> Generating modules.img"
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build_modules_img "$kernel_version" "$output_dir/modules.img"
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echo "---> Generating initramfs"
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build_initcpio "$kernel_version" "$output_dir/initramfs$kernel_code.img"
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echo "--> Done."
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