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183 lines
4.2 KiB
183 lines
4.2 KiB
#!/bin/sh |
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# --- SDE-COPYRIGHT-NOTE-BEGIN --- |
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch. |
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# |
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# Filename: package/.../mkinitrd/mkinitrd.sh |
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# Copyright (C) 2006 - 2007 The OpenSDE Project |
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# Copyright (C) 2005 - 2006 The T2 SDE Project |
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# |
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# More information can be found in the files COPYING and README. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; version 2 of the License. A copy of the |
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# GNU General Public License can be found in the file COPYING. |
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# --- SDE-COPYRIGHT-NOTE-END --- |
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set -e |
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if [ $UID != 0 ]; then |
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echo "Non root - exiting ..." |
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exit 1 |
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fi |
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while [ "$1" ]; do |
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case $1 in |
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[0-9]*) kernelver="$1" ;; |
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-R) root="$2" ; shift ;; |
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*) echo "Usage: mkinitrd [ -R root ] [ kernelver ]" |
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exit 1 ;; |
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esac |
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shift |
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done |
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[ "$root" ] || root="" |
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[ "$kernelver" ] || kernelver=`uname -r` |
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[ "$moddir" ] || moddir="${root}/lib/modules/$kernelver" |
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echo "Kernel: $kernelver, module dir: $moddir" |
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if [ ! -d $moddir ]; then |
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echo "Module dir $moddir does not exist!" |
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exit 2 |
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fi |
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sysmap="" |
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[ -f "${root}/boot/System.map_$kernelver" ] && sysmap="${root}/boot/System.map_$kernelver" |
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if [ -z "$sysmap" ]; then |
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echo "System.map_$kernelver not found!" |
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exit 2 |
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fi |
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echo "System.map: $sysmap" |
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# check needed tools |
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for x in cpio gzip ; do |
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if ! which $x >/dev/null ; then |
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echo "$x not found!" |
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exit 2 |
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fi |
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done |
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tmpdir=`mktemp` |
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# create basic structure |
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# |
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rm -rf $tmpdir >/dev/null |
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echo "Create dirtree ..." |
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mkdir -p $tmpdir/{dev,bin,sbin,proc,sys,lib/modules,lib/udev,etc/hotplug.d/default} |
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mknod $tmpdir/dev/console c 5 1 |
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# copy the basic / rootfs kernel modules |
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# |
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echo "Copying kernel modules ..." |
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if [ -x /sbin/modinfo -a -x /sbin/depmod ]; then |
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find $moddir/kernel -type f | grep \ |
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-e reiserfs -e reiser4 -e ext2 -e ext3 -e /jfs -e /xfs \ |
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-e isofs -e udf -e /unionfs -e ntfs -e fat -e dm-mod \ |
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-e /ide/ -e /ata/ -e /scsi/ -e /message/ -e hci \ |
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-e usb-storage -e sbp2 \ |
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-e drivers/net/ -e '/ipv6\.' | |
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while read fn ; do |
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for x in $fn `/sbin/modinfo $fn | grep depends | |
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cut -d : -f 2- | sed -e 's/ //g' -e 's/,/ /g' ` |
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do |
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# expand to full name if it was a depend |
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[ $x = ${x##*/} ] && |
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x=`find $moddir/kernel -name "$x.*o"` |
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echo -n "${x##*/} " |
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# strip $root prefix |
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xt=${x##$root} |
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mkdir -p `dirname $tmpdir/$xt` |
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cp $x $tmpdir/$xt 2>/dev/null |
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done |
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done | fold -s ; echo |
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# generate map files |
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# |
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/sbin/depmod -ae -b $tmpdir -F $sysmap $kernelver |
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else |
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echo "ERROR: modinfo or depmod are missing in your installation." |
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exit 1 |
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fi |
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echo "Injecting programs and configuration ..." |
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# copying config |
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# |
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# group (needed by udev to resolve group names) |
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cp -a ${root}/etc/group $tmpdir/etc/ |
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# udev |
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cp -ar ${root}/etc/udev $tmpdir/etc/ |
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# in theory all, but fat and currently only cdrom_id is needed ... |
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cp -ar ${root}/lib/udev/* $tmpdir/lib/udev/ |
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# setup programs |
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# |
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for x in ${root}/sbin/{hotplug++,udevd,udevtrigger,modprobe,insmod} ${root}/usr/sbin/disktype |
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do |
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# sanity check |
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file $x | grep -q "dynamically linked" && |
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echo "Warning: $x is dynamically linked!" |
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cp $x $tmpdir/sbin/ |
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done |
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x=${root}/sbin/insmod.old |
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if [ ! -e $x ]; then |
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echo "Warning: Skipped optional file $x!" |
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else |
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file $x | grep -q "dynamically linked" && |
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echo "Warning: $x is dynamically linked!" |
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cp $x $tmpdir/sbin/ |
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ln -s insmod.old $tmpdir/sbin/modprobe.old |
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fi |
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ln -s /sbin/udev $tmpdir/etc/hotplug.d/default/10-udev.hotplug |
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cp ${root}/bin/pdksh $tmpdir/bin/sh |
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# static, tiny embutils and friends |
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# |
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for x in mount umount rm mv cp mkdir ln ls switch_root sleep losetup chmod cat sed mknod |
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do |
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if [ -x $root/usr/embutils/$x ]; then |
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x=$root/usr/embutils/$x |
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elif [ -x $root/usr/bin/$x ]; then |
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x=$root/usr/bin/$x |
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elif [ -x $root/bin/$x ]; then |
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x=$root/bin/$x |
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else |
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echo "Error: $x was not found!" 1>&2 |
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false |
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fi |
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# sanity check |
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file $x | grep -q "dynamically linked" && |
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echo "Warning: $x is dynamically linked!" |
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cp $x $tmpdir/bin/ |
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done |
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cp ${root}/sbin/initrdinit $tmpdir/init |
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# create the cpio image |
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# |
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echo "Archiving ..." |
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( cd $tmpdir |
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find * | cpio -o -H newc | gzip -c9 > ${root}/boot/initrd-$kernelver.img |
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) |
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# display the resulting image |
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# |
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du -sh ${root}/boot/initrd-$kernelver.img |
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rm -rf $tmpdir |
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