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authorFlorian Fainelli <florian@openwrt.org>2009-11-03 01:02:39 +0000
committerFlorian Fainelli <florian@openwrt.org>2009-11-03 01:02:39 +0000
commite49c2d769162c261a035db1a979f639b20effd47 (patch)
tree4286407f29abcbd533e439ccccd20e8d4a184cb5 /target/linux/x86/image/gen_image_x86.sh
parenta4db9ed4529ba632d80f4d55eafc89c9c23851d2 (diff)
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merge the olpc target with the x86 target, both tested and running
SVN-Revision: 18279
Diffstat (limited to 'target/linux/x86/image/gen_image_x86.sh')
-rwxr-xr-xtarget/linux/x86/image/gen_image_x86.sh48
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/x86/image/gen_image_x86.sh b/target/linux/x86/image/gen_image_x86.sh
new file mode 100755
index 0000000..5d4c0dd
--- /dev/null
+++ b/target/linux/x86/image/gen_image_x86.sh
@@ -0,0 +1,48 @@
+#!/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 ${ROOTFSSIZE}m`
+
+KERNELOFFSET="$(($1 / 512))"
+KERNELSIZE="$(($2 / 512))"
+ROOTFSOFFSET="$(($3 / 512))"
+ROOTFSSIZE="$(($4 / 512))"
+
+BLOCKS="$((($KERNELSIZE / 2) - 1))"
+
+[ -n "$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
+