Browse Source
Tobias Hintze <th@rocklinux.org>:
hotfix from stf for rockinitrd git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@7330 c5f82cb5-29bc-0310-9cd0-bff59a50e3bcrocklinux
Tobias Hintze
19 years ago
4 changed files with 188 additions and 61 deletions
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+12 -0package/base/rockinitrd/initrd_essential.txt
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+174 -60package/base/rockinitrd/mkinitrd.sh
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+1 -0package/base/rockinitrd/rockinitrd.conf
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+1 -1package/base/rockinitrd/rockinitrd.desc
@ -0,0 +1,12 @@ |
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/bin/bash /bin/bash |
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/bin/bash2 /bin/bash2 |
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/bin/sh /bin/sh |
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/bin/ls /bin/ls |
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/sbin/pivot_root /sbin/pivot_root |
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/sbin/insmod /sbin/insmod |
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/sbin/insmod.old /sbin/insmod.old |
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/bin/mount /bin/mount |
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/bin/umount /bin/umount |
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/usr/bin/chroot /usr/bin/chroot |
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/etc/fstab /etc/fstab |
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/bin/mkdir /bin/mkdir |
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@ -1,110 +1,224 @@ |
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#!/bin/bash |
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|
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kernel=`uname -r` |
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tmpdir=`mktemp -d` |
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targetdir=`mktemp -d` |
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modprobeopt=`echo $kernel | sed '/2.4/ { s,.*,-n,; q; }; s,.*,--show-depends,'` |
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empty=0 |
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|
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if [ "$1" = "empty" ]; then |
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empty=1; shift |
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fi |
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rootdir="" |
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cross_compile="" |
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initrdfs="cramfs" |
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block_size="" |
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ramdisk_size=8192 |
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|
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if [ -n "$1" ]; then |
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if [ -d "/lib/modules/$1" ]; then |
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kernel="$1" |
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else |
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echo "Can't open /lib/modules/$1: No such directory." |
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echo "Usage: $0 [ kernel-version ]" |
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exit 1 |
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fi |
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fi |
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# Successfully tested combinations: <arch> <blocksize> <initrdfs> |
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# ARM (QEMU) 1024 ext2fs |
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# ARM (QEMU) 4096 cramfs |
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# x86 (QEMU) 1024 ext2fs |
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# x86 (QEMU) 4096 cramfs |
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|
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while [ $# -gt 0 ] ; do |
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case $1 in |
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empty) empty=1 ;; |
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-root) |
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if [ -d "$2/" ]; then |
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rootdir="${2%/}" ; shift |
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else |
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echo "Can't open ${2}: No such directory." |
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echo "Usage: $0 [ kernel-version ]" |
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exit 1 |
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fi |
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;; |
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-cross) cross_compile="$2" ; shift ;; |
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-bs) block_size="$2" ; shift ;; |
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-fs) |
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case "$2" in |
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ext2fs|ext3fs|cramfs|ramfs) initrdfs="$2" ; shift ;; |
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*) |
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echo "Filesystem $2 not supported as initrd filesystem." |
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exit 1 |
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;; |
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esac |
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;; |
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*) |
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if [ -d "${rootdir}/lib/modules/$1" ]; then |
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kernel="$1" |
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echo kernel $kernel |
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else |
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echo "Can't open ${rootdir}/lib/modules/$1: No such directory." |
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echo "Usage: $0 [ kernel-version ]" |
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exit 1 |
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fi |
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;; |
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esac |
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shift |
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done |
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|
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echo "Creating /boot/initrd-${kernel}.img ..." |
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mkdir -p $tmpdir/etc/conf |
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case $initrdfs in |
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ext2fs|ext3fs|cramfs) |
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initrd_img="${rootdir}/boot/initrd-${kernel}.img" |
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;; |
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ramfs) |
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initrd_img="${rootdir}/boot/initrd-${kernel}.cpio" |
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;; |
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esac |
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|
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echo "Creating $initrd_img ..." |
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mkdir -p $targetdir/etc/conf |
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if [ "$empty" = 0 ] ; then |
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grep '^modprobe ' /etc/conf/kernel | grep -v 'no-initrd' | \ |
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grep '^modprobe ' ${rootdir}/etc/conf/kernel | grep -v 'no-initrd' | \ |
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sed 's,[ ]#.*,,' | \ |
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while read a b ; do $a $modprobeopt -v $b 2> /dev/null; done | |
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while read a b c; do |
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[[ "$b" = *.ko ]] && b=${b/.ko/}; |
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b="`find /lib/modules/$kernel -wholename "$b.o" -o -wholename "$b.ko"`" |
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b="`find ${rootdir}/lib/modules/$kernel -wholename "$b.o" -o -wholename "$b.ko"`" |
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echo "Adding $b." |
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mkdir -p $tmpdir/${b%/*} |
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cp $b $tmpdir/$b |
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echo "/sbin/insmod $b $c" >> $tmpdir/etc/conf/kernel |
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mkdir -p $targetdir/${b%/*} |
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cp $b $targetdir/$b |
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echo "/sbin/insmod $b $c" >> $targetdir/etc/conf/kernel |
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done |
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fi |
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mkdir -p $tmpdir/dev $tmpdir/root $tmpdir/tmp $tmpdir/proc $tmpdir/sys |
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mknod $tmpdir/dev/ram0 b 1 0 |
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mknod $tmpdir/dev/null c 1 3 |
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mknod $tmpdir/dev/zero c 1 5 |
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mknod $tmpdir/dev/tty c 5 0 |
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mknod $tmpdir/dev/console c 5 1 |
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|
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mkdir -p $targetdir/{dev,root,tmp,proc,sys} |
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mknod $targetdir/dev/ram0 b 1 0 |
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mknod $targetdir/dev/null c 1 3 |
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mknod $targetdir/dev/zero c 1 5 |
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mknod $targetdir/dev/tty c 5 0 |
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mknod $targetdir/dev/console c 5 1 |
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|
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# this copies a set of programs and the necessary libraries into a |
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# chroot environment |
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|
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echo -n "Checking necessary fsck programs ... " |
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while read dev a mnt b fs c ; do |
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[ -e "/sbin/fsck.${fs}" ] && echo "/sbin/fsck.${fs} /sbin/fsck.${fs}" |
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[ -e "${rootdir}/sbin/fsck.${fs}" ] && echo "/sbin/fsck.${fs} /sbin/fsck.${fs}" |
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done < <( mount ) | sort | uniq >/etc/conf/initrd/initrd_fsck |
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echo "/sbin/fsck /sbin/fsck" >>/etc/conf/initrd/initrd_fsck |
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echo "done" |
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|
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targetdir=$tmpdir |
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programs="/bin/bash /bin/bash2 /bin/sh /bin/ls /sbin/pivot_root /sbin/insmod /sbin/insmod.old /bin/mount /bin/umount /usr/bin/chroot /etc/fstab /bin/mkdir" |
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libdirs="${rootdir}/lib `sed -e"s,^\(.*\),${rootdir}\1," ${rootdir}/etc/ld.so.conf | tr '\n' ' '`" |
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|
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libs="/lib/ld-linux.so.2" |
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for x in $programs ; do |
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[ -e $x ] || continue |
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mkdir -p $targetdir/${x%/*} |
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cp -a $x $targetdir/$x |
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file $x | grep -q ELF || continue |
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libs="$libs `ldd $x 2>/dev/null | grep -v 'not a dynamic executable' | sed -e 's,^[\t ]*,,g' | cut -f 3 -d' '`" |
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done |
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needed_libs() { |
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local x="$1" library |
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|
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for x in /etc/conf/initrd/initrd_* ; do |
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${cross_compile}readelf -d $x 2>/dev/null | grep "(NEEDED)" | |
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sed -e"s,.*Shared library: \[\(.*\)\],\1," | |
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while read library ; do |
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find $libdirs -name "$library" 2>/dev/null | |
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sed -e "s,^$rootdir,,g" | tr '\n' ' ' |
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done |
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} |
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|
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echo -n "Copying other files ... " |
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for x in ${rootdir}/etc/conf/initrd/initrd_* ; do |
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[ -f $x ] || continue |
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while read file target ; do |
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if [ -d $file ] ; then |
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find $file -type f -o -type b -o -type c -o -type l | while read f ; do |
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tfile=${targetdir}/${target}/${f#$file} |
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[ -e $tfile ] && continue |
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file="${rootdir}/$file" |
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[ -e $file ] || continue |
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|
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for f in `find $file` ; do |
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tfile=${targetdir}/${target}${f#$file} |
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[ -e $tfile ] && continue |
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|
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if [ -d $f -a ! -L $f ] ; then |
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mkdir -p ${tfile} |
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continue |
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else |
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mkdir -p ${tfile%/*} |
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fi |
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|
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# if [ -b $f -o -c $f -o -p $f -o -L $f ] ; then |
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cp -a $f $tfile |
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file $x | grep -q ELF || continue |
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libs="$libs `ldd $f 2>/dev/null | grep -v 'not a dynamic executable' | sed -e 's,^[\t ]*,,g' | cut -f 3 -d' '`" |
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done |
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fi |
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[ -f $file ] || continue |
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mkdir -p $targetdir/${target%/*} |
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cp $file $targetdir/$target |
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file $file | grep -q ELF || continue |
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libs="$libs `ldd $file 2>/dev/null | grep -v 'not a dynamic executable' | sed -e 's,^[\t ]*,,g' | cut -f 3 -d' '`" |
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# else |
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# cp $f $tfile |
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# fi |
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file -L $f | grep -q ELF || continue |
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libs="$libs `needed_libs $f`" |
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done |
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done < $x |
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done |
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echo "done" |
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|
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echo -n "Copying required libraries ... " |
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while [ -n "$libs" ] ; do |
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oldlibs=$libs |
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libs="" |
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for x in $oldlibs ; do |
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[ -e $targetdir/$x ] && continue |
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mkdir -p $targetdir/${x%/*} |
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cp $x $targetdir/$x |
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file $x | grep -q ELF || continue |
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for y in `ldd $x 2>/dev/null | grep -v 'not a dynamic executable' | sed -e 's,^[\t ]*,,g' | cut -f 3 -d' '` ; do |
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cp $rootdir/$x $targetdir/$x |
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file -L $rootdir/$x | grep -q ELF || continue |
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for y in `needed_libs $rootdir/$x` ; do |
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[ ! -e "$targetdir/$y" ] && libs="$libs $y" |
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done |
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done |
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done |
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echo "done" |
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|
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echo "Creating links for identical files ..." |
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while read ck fn |
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do |
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# don't link empty files... |
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if [ "$oldck" = "$ck" -a -s "$fn" ] ; then |
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echo "\`- Found ${fn#$targetdir} -> ${oldfn#$targetdir}." |
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rm $fn ; ln -s /${oldfn#$targetdir} $fn |
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else |
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oldck=$ck ; oldfn=$fn |
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fi |
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done < <( find $targetdir -type f | xargs md5sum | sort ) |
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|
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# though this is not clean, it helps avoid a warning from fsck about |
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# it being unable to determine wether a filesystem is mounted. |
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ln -s /proc/mounts $targetdir/etc/mtab |
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itmp=`mktemp` |
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mkfs.cramfs $tmpdir ${itmp} |
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gzip -9 < ${itmp} > /boot/initrd-${kernel}.img |
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rm -f ${itmp} |
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echo "Creating initrd filesystem image ($initrdfs): " |
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case "$initrdfs" in |
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cramfs) |
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[ "$block_size" == "" ] && block_size=4096 |
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mkfs.cramfs -b $block_size $targetdir $initrd_img |
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;; |
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ramfs) |
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# cp -a $targetdir/{linuxrc,init} |
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( cd $targetdir ; find | cpio -o -c > $initrd_img ; ) |
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;; |
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ext2fs|ext3fs) |
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[ "$block_size" == "" ] && block_size=1024 |
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block_count=$(( ( 1024 * $ramdisk_size ) / $block_size )) |
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rm -rf $tmpdir |
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echo "Done." |
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echo "Creating temporary files." |
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tmpdir=`mktemp -d` ; mkdir -p $tmpdir |
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dd if=/dev/zero of=$initrd_img bs=${block_size} count=$block_count &> /dev/null |
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tmpdev="`losetup -f 2>/dev/null`" |
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if [ -z "$tmpdev" ] ; then |
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for x in /dev/loop* /dev/loop/* ; do |
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[ -b "${x}" ] || continue |
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losetup ${x} 2>&1 >/dev/null || tmpdev="${x}" |
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[ -n "${tmpdev}" ] && break |
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done |
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if [ -z "${tmpdev}" ] ; then |
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echo "No free loopback device found!" |
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rm -f $tmpfile ; rmdir $tmpdir; exit 1 |
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fi |
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fi |
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echo "Using loopback device $tmpdev." |
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losetup "$tmpdev" $initrd_img |
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|
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echo "Writing initrd image file." |
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mkfs.${initrdfs:0:4} -b $block_size -m 0 -N 360 -q $tmpdev &> /dev/null |
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mount -t ${initrdfs:0:4} $tmpdev $tmpdir |
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rmdir $tmpdir/lost+found/ |
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cp -a $targetdir/* $tmpdir |
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umount $tmpdir |
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|
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echo "Removing temporary files." |
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losetup -d $tmpdev |
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rm -rf $tmpdir |
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;; |
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esac |
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|
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echo "Compressing initrd image file." |
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gzip -9 -c $initrd_img > $initrd_img.gz |
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rm -rf $targetdir |
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echo "Done." |
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