diff options
author | James <> | 2015-11-04 11:49:21 +0000 |
---|---|---|
committer | James <> | 2015-11-04 11:49:21 +0000 |
commit | 716ca530e1c4515d8683c9d5be3d56b301758b66 (patch) | |
tree | 700eb5bcc1a462a5f21dcec15ce7c97ecfefa772 /target/linux/x86/image/gen_image_generic.sh | |
download | trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.tar.gz trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.tar.bz2 trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.zip |
Diffstat (limited to 'target/linux/x86/image/gen_image_generic.sh')
-rwxr-xr-x | target/linux/x86/image/gen_image_generic.sh | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/x86/image/gen_image_generic.sh b/target/linux/x86/image/gen_image_generic.sh new file mode 100755 index 0000000..17d969b --- /dev/null +++ b/target/linux/x86/image/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 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]" + 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" |