make_image: Fake vmlinuz_hd.vblock on ARM.

build_kernel_image.sh

 #!/bin/bash
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Helper script that generates the signed kernel image
 
 . "$(dirname "$0")/common.sh"
 
@@ skipping 208 matching lines @@
   if [ $(stat -c %s "${kernel_script_img}") -gt $((512 * ${script_size})) ]
   then
     echo 'Kernel script too large for reserved space.'
     exit 1
   fi
 
   # Assemble image
   rm -f "${FLAGS_to}"
   dd if="${kernel_script_img}" of="${FLAGS_to}" bs=512 count="${script_size}"
   dd if="${kernel_image}" of="${FLAGS_to}" bs=512 seek="${script_size}"
+
+  # TODO: HACK: Until the kernel partition contains a signed image, create a
+  # phony hd.vblock to keep chromeos-install and cros_generate_update_paload
+  # working.
+  dd if="${FLAGS_to}" of="${FLAGS_hd_vblock}" bs=64K count=1
 else
   error "Unknown arch: ${FLAGS_arch}"
 fi
 
 set +e  # cleanup failure is a-ok
 
 if [[ ${FLAGS_keep_work} -eq ${FLAGS_FALSE} ]]; then
   info "Cleaning up temporary files: ${WORK}"
   rm ${WORK}
   rmdir ${FLAGS_working_dir}
 fi
 
 info "Kernel partition image emitted: ${FLAGS_to}"
 
 if [[ -f ${FLAGS_rootfs_hash} ]]; then
   info "Root filesystem hash emitted: ${FLAGS_rootfs_hash}"
 fi