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author | ryd <ryd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-10-28 21:20:48 +0000 |
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committer | ryd <ryd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-10-28 21:20:48 +0000 |
commit | 6a244cf2e8b86fd790bd6443721da90dcaabd33b (patch) | |
tree | 0acbcbe63c97fb363177aaecfc63b0965b336ddf /target/linux/olpc/image/gen_image.sh | |
parent | 387e25a4cb95bfe81a3ea894006186e55f34056a (diff) |
Initial OLPC target
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9457 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/olpc/image/gen_image.sh')
-rwxr-xr-x | target/linux/olpc/image/gen_image.sh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/olpc/image/gen_image.sh b/target/linux/olpc/image/gen_image.sh new file mode 100755 index 0000000000..d48e3720dc --- /dev/null +++ b/target/linux/olpc/image/gen_image.sh @@ -0,0 +1,45 @@ +#!/usr/bin/env bash +# Copyright (C) 2006 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 ${ROOTFSSIZE}m` + +KERNELOFFSET="$(($1 / 512))" +KERNELSIZE="$(($2 / 512))" +ROOTFSOFFSET="$(($3 / 512))" +ROOTFSSIZE="$(($4 / 512))" + +BLOCKS="$((($KERNELSIZE / 2) - 1))" + +genext2fs -d "$KERNELDIR" -b "$BLOCKS" "$OUTPUT.kernel" +dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc +[ -n "$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 +#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 + |