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2005-10-18
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#!/bin/sh
#
# Utility for constructing PCMCIA initrd boot images
#
# Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
#
# pcinitrd 1.24 2003/09/11 15:58:30
#
RELEASE=""
ALL=""
SIZE=2400
MODULES="pcmcia/pcmcia_core.o pcmcia/ds.o"
# Things to install when "all" is selected
SOCK="i82365.o tcic.o"
BLK="ide-cs.o aha152x_cs.o fdomain_cs.o qlogic_cs.o"
MEM="ftl_cs.o memory_cs.o sram_mtd.o iflash2_mtd.o iflash2+_mtd.o"
usage()
{
echo "usage: $0 [-v] [-a|-all] [-u|--update] [-r|--kernel=kernel-release]" >&2
echo " [-s|--size=image-size] [-d|--dir=root-dir] <initrd-image> [modules ...]" >&2
exit 1
}
while [ $# -gt 0 ] ; do
case $1 in
-a|--all)
ALL=y
;;
-d)
ROOT=$2 ; shift
;;
--dir=*)
ROOT=`echo $1 | sed -e 's/^--dir=//'`
;;
-r)
KERNEL=$2 ; shift
;;
--release=*)
KERNEL=`echo $1 | sed -e 's/^--kernel=//'`
;;
-s)
SIZE=$2 ; shift
;;
--size=*)
SIZE=`echo $1 | sed -e 's/^--size=//'`
;;
-u|--update)
UPDATE=y
;;
-v|--verbose)
VERBOSE=--verbose
;;
-*)
usage
exit 1
;;
*)
break
;;
esac
shift
done
if [ "$KERNEL" = "" ] ; then
KERNEL=`uname -r`
fi
[ "$VERBOSE" ] && echo "Using version $KERNEL modules"
MODDIR=$ROOT/lib/modules/$KERNEL
if [ $# -lt 1 ] ; then usage ; fi
TARGET=$1 ; shift
if [ "$ALL" = "y" ] ; then
for MOD in $SOCK $BLK $MEM ; do
if [ -f $MODDIR/pcmcia/$MOD ] ; then
MODULES="$MODULES pcmcia/$MOD"
fi
done
fi
BIN="bin/mount bin/umount sbin/insmod sbin/cardmgr"
LIB=`ls $ROOT/lib/libc.so.? | sort | tail -1`
ETC="/etc/ld.so.cache /etc/pcmcia/config /etc/pcmcia/config.opts"
DEV="/dev/console /dev/null /dev/ram /dev/tty1 /dev/tty2 /dev/tty3 /dev/tty4"
LF=`file -bL $LIB`
for F in $* ; do
if [ -f $MODDIR/$F ] ; then
MODULES="$MODULES $F"
elif [ -x $ROOT/$F ] ; then
FT=`file -bL $ROOT/$F`
if [ "$FT" = "$LF" ] ; then
LIB="$LIB $F"
else
BIN="$BIN $F"
fi
elif [ -b $ROOT/$F -o -c $ROOT/$F ] ; then
DEV="$DEV $F"
elif [ -f $ROOT/$F ] ; then
ETC="$ETC $F"
else
echo "$F not found." 1>&2
exit 1
fi
done
fail()
{
umount $VERBOSE $MNT
rmdir $MNT
exit 1
}
trap fail SIGTERM SIGINT
strip_cp()
{
if [ -d $3 ] ; then
DEST=$3/`basename $2`
else
DEST=$3
fi
strip $1 $VERBOSE -o $DEST $2 | sed -e 's/([^ ]*)//g' || fail
}
MNT=$ROOT/tmp/initrd.mnt-$$
mkdir $VERBOSE $MNT || exit 1
if [ "$UPDATE" = "y" ] ; then
if [ -b $TARGET ] ; then
mount $VERBOSE -t ext2 $TARGET $MNT || fail
else
mount $VERBOSE -t ext2 -o loop $TARGET $MNT || fail
fi
strip_cp --strip-all $ROOT/sbin/cardmgr $MNT/sbin || fail
CD=`pwd` ; cd $MNT
for DIR in block misc fs net pcmcia ; do
for MOD in $DIR/*.o ; do
strip_cp --discard-all $ROOT/lib/modules/$MOD $DIR || fail
done
done
cd $CD
umount $VERBOSE $MNT
rmdir $MNT
exit 0
fi
[ "$VERBOSE" ] && echo "Creating filesystem on $TARGET"
if [ -b $TARGET ] ; then
mke2fs $TARGET $SIZE > /dev/null || fail
mount $VERBOSE -t ext2 $TARGET $MNT || fail
else
dd if=$ROOT/dev/zero of=$TARGET bs=1k count=$SIZE
echo "y" | mke2fs $TARGET $SIZE >/dev/null || fail
mount $VERBOSE -t ext2 -o loop $TARGET $MNT || fail
fi
rm -rf $MNT/lost+found
for DIR in bin dev etc lib proc tmp mnt ; do
mkdir $VERBOSE $MNT/$DIR || fail
done
for DIR in block misc fs net pcmcia ; do
mkdir $VERBOSE $MNT/lib/$DIR || fail
done
for F in $DEV ; do
cp -a $VERBOSE $ROOT/$F $MNT/dev || fail
done
if [ -e $ROOT/dev/systty ] ; then
cp -a $VERBOSE $ROOT/dev/systty $MNT/dev || fail
fi
for F in $BIN ; do
strip_cp --strip-all $ROOT/$F $MNT/bin
done
strip_cp --strip-all $ROOT/bin/ash $MNT/bin/sh
for F in $LIB ; do
strip_cp --strip-debug $ROOT/$F $MNT/lib
done
cp $VERBOSE $ROOT/lib/ld-linux.so.? $MNT/lib || fail
for F in $ETC ; do
cp $VERBOSE $ROOT/$F $MNT/etc || fail
done
for F in scsi network ftl ide memory serial ; do
touch $MNT/etc/$F ; chmod +x $MNT/etc/$F
done
for MOD in $MODULES ; do
strip_cp --strip-debug $MODDIR/$MOD $MNT/lib/$MOD
done
[ "$VERBOSE" ] && echo "Creating linuxrc startup script"
cat > $MNT/linuxrc <<- 'EOF'
#!/bin/sh
# Should be either i82365 or tcic
PCIC=i82365
# Put socket driver timing parameters here
PCIC_OPTS=
# Put pcmcia_core options here
CORE_OPTS=
mount -t proc /proc /proc
echo ""
echo "==== initrd: starting PCMCIA services ===="
echo ""
PC=/lib/pcmcia
insmod $PC/pcmcia_core.o $CORE_OPTS
insmod $PC/$PCIC.o $PCIC_OPTS
insmod $PC/ds.o
if [ "$DEBUG" != "" ] ; then V=-v ; fi
cardmgr $V -q -o -c /etc -m /lib -s /tmp/stab -p /tmp/pid
umount /proc
echo ""
if [ "$DEBUG" != "" ] ; then
/bin/sh < /dev/console
fi
EOF
chmod +x $MNT/linuxrc
df -P $MNT | awk '/tmp/ { printf "%dK/%dK used\n",$3,$2 }'
umount $VERBOSE $MNT
rmdir $MNT
exit 0