#
# by Jacek Konieczny <jajcus@pld.org.pl>
#
-# based on geninitrd written by Erik Troan <ewt@redhat.com>
+# based on mkinitrd written by Erik Troan <ewt@redhat.com>
# and contributors:
# Elliot Lee <sopwith@cuc.edu>
# Miguel de Icaza <miguel@nuclecu.unam.mx>
PROBESCSI="yes"
PROBEIDE="yes"
PROBERAID="yes"
+USEBSP="yes"
if [ -f /etc/sysconfig/initrd ] ; then
. /etc/sysconfig/initrd
fi
+if is_yes $USEBSP ; then
+ [ ! -x /sbin/bsp ] && USEBSP="no"
+fi
target=""
kernel=""
force=""
MODULES=""
img_vers=""
modulefile=/etc/modules.conf
-if [ `uname -m` = "ia64" ]; then
+if [ "`uname -m`" = "ia64" ]; then
IMAGESIZE=3000
else
IMAGESIZE=1500
fi
-PRESCSIMODS="scsi_mod sd_mod unknown"
+PRESCSIMODS="scsi_mod unknown sd_mod"
PREIDEMODS="ide-mod ide-probe-mod ide-disk"
fstab="/etc/fstab"
usage () {
echo "usage: `basename $0` [--version] [-v] [-f] [--ifneeded] [--preload <module>]" >&2
- echo " [--omit-scsi-modules] [--omit-raid-modules] [--omit-ide-modules] [--with=<module>]" >&2
- echo " [--image-version] [--fstab=<fstab>] [--nocompress] [--fs=rom|ext2]" >&2
+ echo " [--omit-scsi-modules] [--omit-raid-modules] [--omit-ide-modules]" >&2
+ echo " [--with=<module>] [--image-version] [--fstab=<fstab>] [--nocompress]" >&2
+ echo " [--fs=rom|ext2|cram] [--no-bsp]" >&2
echo " <initrd-image> <kernel-version>" >&2
echo " (ex: `basename $0` /boot/initrd-2.2.5-15.img 2.2.5-15)" >&2
exit 1
}
+
+my_find() {
+ for name in `ls`
+ do
+ if [ -d $name ]; then
+ (cd $name;my_find $1/$name $2)
+ else
+ [ -f $name -a "$name" = "$2" ] && echo $1/$name
+ fi
+ done
+}
+
findmodule() {
skiperrors=""
- modName=$2
- if [ $(echo $modName | cut -b1) = "-" ]; then
+ modName=$1
+ if [ "$(echo $modName | awk '{print(substr($0,1,1));}')" = "-" ]; then
skiperrors=1
- modName=$(echo $modName | cut -b2-)
+ modName="$(echo $modName | awk '{print(substr($0,2));}')"
fi
if [ "$modName" = "pluto" ]; then
- findmodule "" fc4
- findmodule "" soc
+ findmodule fc4
+ findmodule soc
fi
if [ "$modName" = "fcal" ]; then
- findmodule "" fc4
- findmodule "" socal
- fi
- if [ -n "$1" ]; then
- fmPath="$1"/"$modName".o
- else
- fmPath=`(cd /lib/modules/$kernel; echo */$modName.o)`
+ findmodule fc4
+ findmodule socal
fi
- if [ "$1" = "fs" ] && [ ! -f /lib/modules/$kernel/$fmPath ]; then
- fmPath="$1"/"${modName}fs".o
- fi
+ fmPath="`(cd /lib/modules/$kernel; my_find . "$modName.o")`"
- if [ ! -f /lib/modules/$kernel/$fmPath ]; then
+ if [ ! -f "/lib/modules/$kernel/$fmPath" ]; then
if [ -n "$skiperrors" ]; then
return
fi
fi
# only need to add each module once
- if echo $MODULES | grep $fmPath >/dev/null 2>&1 ; then : ; else
+ tmpFmPath="`echo "$fmPath"|awk -F/ '{for(i=1;i<NF;i++) { printf("%s\\/",$i); } { print $NF; }}'`"
+ if is_yes "`echo "$MODULES" | awk '/"'$tmpFmPath'"/ { print "yes"; }' `" ; then : ; else
MODULES="$MODULES $fmPath"
fi
}
return
fi
[ -n "$verbose" ] && echo "$1 -> $2"
- cp $1 $2
+ cp "$1" "$2"
}
while [ $# -gt 0 ]; do
case $1 in
+ --no-bsp)
+ USEBSP="no"
+ ;;
+
--fstab*)
- if echo $1 | grep '=' >/dev/null ; then
- fstab=`echo $1 | sed 's/^--with=//'`
+ if is_yes "`echo $1 | awk '/=/ { print "yes"; }'`" ; then
+ fstab="`echo $1 | awk -F= '{print $2;}'`"
else
- fstab=$2
+ fstab="$2"
shift
fi
;;
--with*)
- if echo $1 | grep '=' >/dev/null ; then
- modname=`echo $1 | sed 's/^--with=//'`
+ if is_yes "`echo $1 | awk '/=/ { print "yes"; }'`" ; then
+ modname="`echo $1 | awk -F= '{print $2;}'`"
else
- modname=$2
+ modname="$2"
shift
fi
force=1
;;
--preload)
- if echo $1 | grep '=' >/dev/null ; then
- modname=`echo $1 | sed 's/^--preload=//'`
+ if is_yes "`echo $1 | awk '/=/ { print "yes"; }'`" ; then
+ modname="`echo $1 | awk -F= '{print $2;}'`"
else
- modname=$2
+ modname="$2"
shift
fi
PREMODS="$PREMODS $modname"
--omit-ide-modules)
PROBEIDE="no";
;;
- --with-fs)
- if echo $1 | grep '=' >/dev/null ; then
- FS=`echo $1 | sed 's/^--fs=//'`
- else
- FS=$2
- shift
- fi
+ --fs)
+ FS="$2"
+ shift
+ ;;
+ --fs*)
+ FS="`echo $1 | awk -F= '{print $2;}'`"
;;
--image-version)
img_vers=yes
;;
*)
if [ -z "$target" ]; then
- target=$1
+ target="$1"
elif [ -z "$kernel" ]; then
- kernel=$1
+ kernel="$1"
else
usage
fi
shift
done
-if [ "$FS" != "ext2" -a "$FS" != "rom" ] ; then
- echo "Only ext2 and rom fs are supported!"
-fi
-
if [ -z "$target" -o -z "$kernel" ]; then
usage
fi
+case "$FS" in
+ ext2)
+ if [ ! -x /sbin/mke2fs ]; then
+ echo "mke2fs is missing"
+ exit 1
+ fi
+ ;;
+ rom)
+ if [ ! -x /sbin/genromfs ]; then
+ echo "genromfs is missing"
+ exit 1
+ fi
+ ;;
+ cram)
+ if [ ! -x /sbin/mkcramfs ]; then
+ echo "mkcramfs is missing"
+ exit 1
+ fi
+ ;;
+ *)
+ echo "Filesystem $FS not supported"
+ exit 1
+ ;;
+esac
+
if [ -n "$img_vers" ]; then
target="$target-$kernel"
fi
-if [ -z "$force" -a -f $target ]; then
+if [ -z "$force" -a -f "$target" ]; then
echo "$target already exists." >&2
exit 1
fi
-if [ ! -d /lib/modules/$kernel ]; then
+if [ ! -d "/lib/modules/$kernel" ]; then
echo "/lib/modules/$kernel is not a directory." >&2
exit 1
fi
for n in $PREMODS; do
- findmodule "" $n
+ findmodule "$n"
done
-rootdev=$(awk '{ if ($2 == "/") { print $1; }}' $fstab)
-if is_yes "$PROBESCSI" && echo "$rootdev" | grep -q "^/dev/sd" ; then
+rootdev="$(awk '{ if ($2 == "/") { print $1; }}' $fstab)"
+if is_yes "$PROBESCSI" && is_yes "$(echo "$rootdev" | awk '/^\/dev\/sd/ { print "yes"; }')" ; then
for n in $PRESCSIMODS; do
- findmodule scsi $n
+ if [ "$n" = "unknown" ] ; then
+ if [ ! -f "$modulefile" ]; then
+ modulefile=/etc/conf.modules
+ fi
+ if [ -f "$modulefile" ]; then
+ scsimodules="`awk '/scsi_hostadapter/ && ! /^[\t ]*#/ { print $3; }' $modulefile| LC_ALL=C sort -u`"
+ for n in $scsimodules; do
+ # for now allow scsi modules to come from anywhere. There are some
+ # RAID controllers with drivers in block/
+ findmodule "$n"
+ done
+ fi
+ else
+ findmodule "$n"
+ fi
done
- if [ ! -f $modulefile ]; then
- modulefile=/etc/conf.modules
- fi
- if [ -f $modulefile ]; then
- scsimodules=`grep scsi_hostadapter $modulefile | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }'`
- for n in $scsimodules; do
- # for now allow scsi modules to come from anywhere. There are some
- # RAID controllers with drivers in block/
- findmodule "" $n
- done
- fi
fi
-if is_yes "$PROBEIDE" && echo "$rootdev" | grep -q "^/dev/hd" ; then
+if is_yes "$PROBEIDE" && is_yes "`echo "$rootdev" | awk '/^\/dev\/hd/ { print "yes"; }'`" ; then
for n in $PREIDEMODS; do
- findmodule block $n
+ findmodule "$n"
done
fi
if is_yes "$PROBERAID" ; then
# load appropriate raid devices if necessary
- if grep '^/dev/md' $fstab | grep -v noauto >/dev/null 2>&1 ; then
- for number in $(grep '^[ ]*raid-level' /etc/raidtab |
- awk '{print $2}' | LC_ALL=C sort -u) ; do
- case $number in
+ if is_yes "`awk '/^\/dev\/md/ && ! /noauto/ { print "yes"; }' "$fstab"`" ; then
+ for number in $(awk '/^[\t ]*raid-level/ { print $2; }' /etc/raidtab | LC_ALL=C sort -u) ; do
+ case "$number" in
[0145])
- findmodule "" raid$number
+ findmodule "raid$number"
;;
*)
echo "raid level $number (in /etc/raidtab) not recognized" >&2
fi
# check to see if we need to set up a loopback filesystem
-if echo $rootdev | cut -d/ -f3 | grep loop >/dev/null; then
- key="^# $(echo $rootdev | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):"
- if ! grep "$key" $fstab > /dev/null; then
+if is_yes "`echo "$rootdev" | awk -F/ '{print($3);}' | awk '/loop/ { print "yes"; }'`" ; then
+ if [ ! -x /sbin/losetup ]; then
+ echo "losetup is missing"
+ exit 1
+ fi
+ key="^# $(echo $rootdev | awk -F/ '{print($3);}' | tr '[a-z]' '[A-Z]'):"
+ if ! is_yes "`awk '/'$key'/ { print( "yes"); }' $fstab`" ; then
echo "The root filesystem is on a $rootdev, but there is no magic entry in $fstab" 1>&2
echo "for this device. Consult the geninitrd man page for more information" 2>&2
exit 1
fi
- line=$(grep "$key" $fstab)
- loopDev=$(echo $line | awk '{print $3}')
- loopFs=$(echo $line | awk '{print $4}')
- loopFile=$(echo $line | awk '{print $5}')
+ line="`awk '/'$key'/ { print $0; }' $fstab`"
+ loopDev="$(echo $line | awk '{print $3}')"
+ loopFs="$(echo $line | awk '{print $4}')"
+ loopFile="$(echo $line | awk '{print $5}')"
BASICMODULES="$BASICMODULES -loop"
- findmodule fs "-$loopFs"
+ findmodule "-$loopFs"
BASICMODULES="$BASICMODULES -${loopFs}"
+ # don't have any clue, how is this supposed to work,
+ # anyway no bsp
+ USEBSP="no"
else # Check for other filesystems
- rootFs=`awk '{if ($2 == "/") {print $3}}' $fstab`
- findmodule fs "-$rootFs"
+ rootFs="`awk '{if ($2 == "/") {print $3}}' $fstab`"
+ findmodule "-$rootFs"
fi
for n in $BASICMODULES; do
- findmodule "" $n
+ findmodule "$n"
done
if [ -n "$ifneeded" -a -z "$MODULES" ]; then
echo "Using modules: $MODULES"
fi
-MNTIMAGE=/tmp/initrd.$$
-IMAGE=/tmp/initrd.img-$$
-MNTPOINT=/tmp/initrd.mnt-$$
-RCFILE=$MNTIMAGE/linuxrc
+MNTIMAGE="`mktemp -d /tmp/initrd.XXXXXX`"
+IMAGE="`mktemp -u /tmp/initrd.img-XXXXXX`"
+MNTPOINT="`mktemp -d /tmp/initrd.mnt-XXXXXX`"
+RCFILE="$MNTIMAGE/linuxrc"
-if [ -f $MNTIMAGE ]; then
+if [ -f "$MNTIMAGE" ]; then
echo "$MNTIMAGE already exists. Remove it and try again" >&2
exit 1
fi
-if [ -f $IMAGE ]; then
+if [ -f "$IMAGE" ]; then
echo "$IMAGE already exists. Remove it and try again" >&2
exit 1
fi
if [ "$FS" = "ext2" ] ; then
- dd if=/dev/zero of=$IMAGE bs=1k count=$IMAGESIZE 2> /dev/null
-
- if [ -e /dev/.devfsd ]; then
- LOOPDEV=/dev/loop/
- else
- LOOPDEV=/dev/loop
- fi
-
- for devnum in 0 1 2 3 4 5 6 7 8; do
- if losetup ${LOOPDEV}${devnum} $IMAGE 2>/dev/null ; then break; fi
- done
-
- if [ "$devnum" = "8" ]; then
- rm -rf $MNTPOINT $IMAGE
- echo "All of your loopback devices are in use!" >&2
- exit 1
- fi
-
- LODEV=${LOOPDEV}${devnum}
+ dd if=/dev/zero of="$IMAGE" bs=1k count="$IMAGESIZE" 2> /dev/null
# We have to "echo y |" so that it doesn't complain about $IMAGE not
# being a block device
- echo y | mke2fs $LODEV $IMAGESIZE >/dev/null 2>/dev/null
+ echo y | mke2fs -F "$IMAGE" "$IMAGESIZE" >/dev/null 2>/dev/null
- if [ -n "$verbose" ]; then
- echo "Using loopback device $LODEV"
- fi
-
- mkdir -p $MNTPOINT
- mount -t ext2 $LODEV $MNTPOINT || {
- echo "Can't get a loopback device"
- exit 1
- }
+ mkdir -p "$MNTPOINT"
+ mount -o loop -t ext2 "$IMAGE" "$MNTPOINT"
else
- mkdir -p $MNTPOINT
+ mkdir -p "$MNTPOINT"
fi
-mkdir -p $MNTIMAGE
-mkdir -p $MNTIMAGE/lib
-mkdir -p $MNTIMAGE/bin
-mkdir -p $MNTIMAGE/etc
-mkdir -p $MNTIMAGE/dev
-mkdir -p $MNTIMAGE/loopfs
-# We don't need this directory, so let's save space
-rm -rf $MNTPOINT/lost+found
+mkdir -p "$MNTIMAGE"/{lib,bin,etc,dev,loopfs}
-inst /bin/ash.static "$MNTIMAGE/bin/sh"
-inst /sbin/insmod.static "$MNTIMAGE/bin/insmod"
+
+# We don't need this directory, so let's save space
+rm -rf "$MNTPOINT"/lost+found
for MODULE in $MODULES; do
- cp $verbose -a /lib/modules/$kernel/$MODULE $MNTIMAGE/lib
+ cp $verbose -a "/lib/modules/$kernel/$MODULE" "$MNTIMAGE/lib"
done
# mknod'ing the devices instead of copying them works both with and
# without devfs...
-mknod $MNTIMAGE/dev/console c 5 1
-mknod $MNTIMAGE/dev/null c 1 3
-mknod $MNTIMAGE/dev/ram b 1 1
-mknod $MNTIMAGE/dev/systty c 4 0
-for i in 1 2 3 4; do
- mknod $MNTIMAGE/dev/tty$i c 4 1
-done
-
-echo "#!/bin/sh" > $RCFILE
-echo "" >> $RCFILE
-
-for MODULE in $MODULES; do
- module=`echo $MODULE | sed "s|.*/||" | sed "s/.o$//"`
+mknod "$MNTIMAGE/dev/console" c 5 1
- options=`sed -n -e "s/^options[ ][ ]*$module[ ][ ]*//p" $modulefile`
-
- if [ -n "$verbose" ]; then
- echo "Loading module $module with options $options"
- fi
- echo "echo \"Loading $module module\"" >> $RCFILE
- echo "insmod /lib/$module.o $options" >> $RCFILE
-done
-
-if [ -n "$loopDev" ]; then
- if [ ! -d /initrd ]; then
- mkdir /initrd
+if is_yes "$USEBSP" ; then
+ s="$MNTIMAGE/etc/startup"
+ inst /sbin/bsp "$RCFILE"
+ echo "# autogenerated startup" > "$s"
+ echo "" >> "$s"
+
+ for MODULE in $MODULES; do
+ module="`echo $MODULE | awk -F/ '{ $0=$NF } /.o$/ { $0=substr($0,1,length($0)-2); } { print $0; }'`"
+ options="`awk '{ if($1 == "options" && $2 == "'${module}'") { for(i=3;i<=NF;i++) printf("%s ",$i); }}' "$modulefile"`"
+
+ if [ -n "$verbose" ]; then
+ echo "Loading module $module with options $options"
+ fi
+ echo "insmod $module.o $options" >> "$s"
+ done
+else
+ inst /bin/trash "$MNTIMAGE/bin/sh"
+ inst /sbin/insmod.static "$MNTIMAGE/bin/insmod"
+
+ mknod "$MNTIMAGE/dev/null" c 1 3
+ mknod "$MNTIMAGE/dev/ram" b 1 1
+ mknod "$MNTIMAGE/dev/systty" c 4 0
+ for i in 1 2 3 4; do
+ mknod "$MNTIMAGE/dev/tty$i" c 4 1
+ done
+ mknod "$MNTIMAGE/dev/zero" c 1 5
+
+ echo "#!/bin/sh" > "$RCFILE"
+ echo "" >> "$RCFILE"
+
+ for MODULE in $MODULES; do
+ module="`echo $MODULE | awk -F/ '{ $0=$NF } /.o$/ { $0=substr($0,1,length($0)-2); } { print $0; }'`"
+ options="`awk '{ if($1 == "options" && $2 == "'${module}'") { for(i=3;i<=NF;i++) printf("%s ",$i); }}' "$modulefile"`"
+
+ if [ -n "$verbose" ]; then
+ echo "Loading module $module with options $options"
+ fi
+ echo "echo \"Loading $module module\"" >> "$RCFILE"
+ echo "insmod /lib/$module.o $options" >> "$RCFILE"
+ done
+
+ if [ -n "$loopDev" ]; then
+ if [ ! -d /initrd ]; then
+ mkdir /initrd
+ fi
+
+ cp -a "$loopDev" "$MNTIMAGE/dev"
+ cp -a "$rootdev" "$MNTIMAGE/dev"
+ echo "echo Mounting device containing loopback root filesystem" >> "$RCFILE"
+ echo "mount -t $loopFs $loopDev /loopfs" >> "$RCFILE"
+ echo "echo Setting up loopback device $rootdev" >> $RCFILE
+ echo "losetup $rootdev /loopfs$loopFile" >> "$RCFILE"
fi
-
- cp -a $loopDev $MNTIMAGE/dev
- cp -a $rootdev $MNTIMAGE/dev
- echo "echo Mounting device containing loopback root filesystem" >> $RCFILE
- echo "mount -t $loopFs $loopDev /loopfs" >> $RCFILE
- echo "echo Setting up loopback device $rootdev" >> $RCFILE
- echo "losetup $rootdev /loopfs$loopFile" >> $RCFILE
fi
-chmod +x $RCFILE
+chmod +x "$RCFILE"
-(cd $MNTIMAGE; tar cf - .) | (cd $MNTPOINT; tar xf -)
+(cd "$MNTIMAGE"; tar cf - .) | (cd "$MNTPOINT"; tar xf -)
-if [ "$FS" = "ext2" ] ; then
- mount $MNTPOINT
- losetup -d $LODEV
-else
- genromfs -f "$IMAGE" -d "$MNTPOINT" -V "PLD initrd for kernel $kernel"
-
-fi
+case "$FS" in
+ ext2)
+ umount "$IMAGE"
+ ;;
+ rom)
+ genromfs -f "$IMAGE" -d "$MNTPOINT" -V "PLD initrd for kernel $kernel"
+ ;;
+ cram)
+ mkcramfs "$MNTPOINT" "$IMAGE"
+ ;;
+ *)
+ echo "Filesystem $FS not supported by $0";
+esac
if is_yes "$COMPRESS" ; then
- gzip -9 < $IMAGE > $target
+ gzip -9 < "$IMAGE" > "$target"
else
- cp -a $IMAGE $target
+ cp -a "$IMAGE" "$target"
fi
-rm -rf $MNTIMAGE $MNTPOINT $IMAGE
-
+rm -rf "$MNTIMAGE" "$MNTPOINT" "$IMAGE"
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