Add script for build image from @themactep work

general/scripts/compile4programmer.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+#
+# Binary file compiler.
+# Creates a file for programming onto a flash chip.
+#
+# Example:
+#   ./compile4programmer.sh stock-uboot.bin uImage.t31 rootfs.squashfs.t31 8
+#
+# Running this command will produce a new binary file
+# full4programmer-8MB.bin or full4programmer-16MB.bin
+# suitable for flashing with a programmer.
+#
+# Paul Philippov <paul@themactep.com>
+#
+
+if [ $# -lt 4 ]; then
+  echo "Usage: $0 <uboot.bin> <kernel.bin> <rootfs.bin> <flash chip size in MB>"
+  exit 1
+fi
+
+case "$4" in
+    8)
+        flashsizemb="8MB"
+        flashsize=$((0x800000))
+        kerneloffset=$((0x50000))
+        rootfsoffset=$((0x250000))
+        ;;
+    16)
+        flashsizemb="16MB"
+        flashsize=$((0x1000000))
+        kerneloffset=$((0x50000))
+        rootfsoffset=$((0x350000))
+        ;;
+   *)
+       echo "Unknown flash size. Use 8 or 16."
+       exit 2
+esac
+
+check_file() {
+    if [ ! -f "$1" ]; then
+        echo "File $1 not found."
+        exit 3
+    fi
+}
+
+uboot=$1; check_file $uboot
+kernel=$2; check_file $kernel
+rootfs=$3; check_file $rootfs
+
+tmpfile=$(mktemp)
+
+dd if=/dev/zero bs="${flashsize}" skip=0 count=1 | tr '\000' '\377' > $tmpfile
+dd if=$uboot bs=1 seek=0 count=$(wc -c $uboot | awk '{print $1}') of=$tmpfile conv=notrunc status=none
+dd if=$kernel bs=1 seek="${kerneloffset}" count=$(wc -c $kernel | awk '{print $1}') of=$tmpfile conv=notrunc status=none
+dd if=$rootfs bs=1 seek="${rootfsoffset}" count=$(wc -c $rootfs | awk '{print $1}') of=$tmpfile conv=notrunc status=none
+mv $tmpfile "full4programmer-${flashsizemb}.bin"
+
+echo "Done"
+exit 0