X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=scripts%2Fgen_image_generic.sh;fp=scripts%2Fgen_image_generic.sh;h=17d969b96b448262743e1c3a18e86b12e4917cac;hp=0000000000000000000000000000000000000000;hb=a576ed5437b00e0984712c6f38f8c11b0ed15b48;hpb=c2a11bc8e44af3259a4bed99b46e8a7db6a18c81 diff --git a/scripts/gen_image_generic.sh b/scripts/gen_image_generic.sh new file mode 100755 index 0000000000..17d969b96b --- /dev/null +++ b/scripts/gen_image_generic.sh @@ -0,0 +1,37 @@ +#!/usr/bin/env bash +# Copyright (C) 2006-2012 OpenWrt.org +set -x +[ $# == 5 -o $# == 6 ] || { + echo "SYNTAX: $0 []" + exit 1 +} + +OUTPUT="$1" +KERNELSIZE="$2" +KERNELDIR="$3" +ROOTFSSIZE="$4" +ROOTFSIMAGE="$5" +ALIGN="$6" + +rm -f "$OUTPUT" + +head=16 +sect=63 +cyl=$(( ($KERNELSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512))) + +# create partition table +set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE}` + +KERNELOFFSET="$(($1 / 512))" +KERNELSIZE="$2" +ROOTFSOFFSET="$(($3 / 512))" +ROOTFSSIZE="$(($4 / 512))" + +[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE" +dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc + +[ -n "$NOGRUB" ] && exit 0 + +make_ext4fs -J -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR" +dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc +rm -f "$OUTPUT.kernel"