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#! /bin/sh -e
#
# Merges kernel and ramdisk into one ELF bootimage
SUBARCH=IP32
LIBDIR=/usr/lib/tip22
TIP22=$LIBDIR/tftpload.$SUBARCH.o
ARCLIB=$LIBDIR/libarc.a
LD_KERNEL=$LIBDIR/ld.kernel.script.$SUBARCH
LD_RAMDISK=$LIBDIR/ld.ramdisk.script.$SUBARCH
LD_SCRIPT=$LIBDIR/ld.script.$SUBARCH
LDFLAGS="-n"
LD=/usr/bin/ld
MKTEMP=/bin/mktemp
usage() {
echo "`basename $0` vmlinux initrd outfile"
exit 1
}
if [ "$#" != "3" ]; then
usage
fi
if ! file $2 | grep 'gzip compressed data' > /dev/null 2>&1; then
echo "$2 is no gzip compressed ramdisk".
usage
fi
if ! file $1 | grep 'ELF .* MIPS' > /dev/null 2>&1; then
echo "$1 is no ELF kernel".
usage
fi
if [ ! -x $MKTEMP ]; then
echo "Need mktemp."
exit 1
fi
if ! TMPDIR=`mktemp -d`; then
echo "mktemp failed."
exit 1
fi
echo -n "Merging kernel \"$1\" and ramdisk \"$2\" into bootimage \"$3\"..."
${LD} -T $LD_KERNEL -b binary -o $TMPDIR/kernel.o $1
${LD} -T $LD_RAMDISK -b binary -o $TMPDIR/ramdisk.o $2
${LD} -T $LD_SCRIPT ${LDFLAGS} -o $3 ${TIP22} ${ARCLIB} $TMPDIR/kernel.o $TMPDIR/ramdisk.o
rm -rf $TMPDIR
echo "done."
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