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author | Felix Fietkau <nbd@openwrt.org> | 2012-09-22 20:10:31 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2012-09-22 20:10:31 +0000 |
commit | 6c02dd2b042ed9bd09a3a9899f4661bf13d82741 (patch) | |
tree | 995078f0d3c332eec19c5d8f7272dd66a23fa99a /target/linux/x86/image/gen_image_grub.sh | |
parent | 1c108d33184939d39f367ed7e8cfd6cf3995a353 (diff) | |
download | master-31e0f0ae-6c02dd2b042ed9bd09a3a9899f4661bf13d82741.tar.gz master-31e0f0ae-6c02dd2b042ed9bd09a3a9899f4661bf13d82741.tar.bz2 master-31e0f0ae-6c02dd2b042ed9bd09a3a9899f4661bf13d82741.zip |
x86: rename gen_image_x86.sh to gen_image_grub.sh
SVN-Revision: 33510
Diffstat (limited to 'target/linux/x86/image/gen_image_grub.sh')
-rwxr-xr-x | target/linux/x86/image/gen_image_grub.sh | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/x86/image/gen_image_grub.sh b/target/linux/x86/image/gen_image_grub.sh new file mode 100755 index 0000000000..e1d1b92dda --- /dev/null +++ b/target/linux/x86/image/gen_image_grub.sh @@ -0,0 +1,48 @@ +#!/usr/bin/env bash +# Copyright (C) 2006-2010 OpenWrt.org +set -x +[ $# == 5 ] || { + echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image>" + exit 1 +} + +OUTPUT="$1" +KERNELSIZE="$2" +KERNELDIR="$3" +ROOTFSSIZE="$4" +ROOTFSIMAGE="$5" + +rm -f "$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 ${ROOTFSSIZE}m` + +KERNELOFFSET="$(($1 / 512))" +KERNELSIZE="$(($2 / 512))" +ROOTFSOFFSET="$(($3 / 512))" +ROOTFSSIZE="$(($4 / 512))" + +BLOCKS="$((($KERNELSIZE / 2) - 1))" + +[ -n "$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 "$NOGRUB" ] && exit 0 + +genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel" +dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc +rm -f "$OUTPUT.kernel" + +which chpax >/dev/null && chpax -zp $(which grub) +grub --batch --no-curses --no-floppy --device-map=/dev/null <<EOF +device (hd0) $OUTPUT +geometry (hd0) $cyl $head $sect +root (hd0,0) +setup (hd0) +quit +EOF + |