add quiet to arm bootargs

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 92 matching lines @@
 mkdir -p "${FLAGS_working_dir}"
 
 # Only let dm-verity block if rootfs verification is configured.
 dev_wait=0
 if [[ ${FLAGS_root} = "/dev/dm-0" ]]; then
   dev_wait=1
 fi
 
 cat <<EOF > "${FLAGS_working_dir}/boot.config"
 root=${FLAGS_root}
+quiet
+loglevel=1
+rootwait
+ro
 dm_verity.error_behavior=${FLAGS_verity_error_behavior}
 dm_verity.max_bios=${FLAGS_verity_max_ios}
 dm_verity.dev_wait=${dev_wait}
 ${verity_args}
 ${FLAGS_boot_args}
 EOF
 
 WORK="${WORK} ${FLAGS_working_dir}/boot.config"
 info "Emitted cross-platform boot params to ${FLAGS_working_dir}/boot.config"
 
 # FIXME: At the moment, we're working on signed images for x86 only. ARM will
 # support this before shipping, but at the moment they don't.
 if [[ "${FLAGS_arch}" = "x86" ]]; then
 
   # Legacy BIOS will use the kernel in the rootfs (via syslinux), as will
   # standard EFI BIOS (via grub, from the EFI System Partition). Chrome OS
   # BIOS will use a separate signed kernel partition, which we'll create now.
   # FIXME: remove serial output, debugging messages.
   mkdir -p ${FLAGS_working_dir}
   cat <<EOF | cat - "${FLAGS_working_dir}/boot.config" \
     > "${FLAGS_working_dir}/config.txt"
-quiet
 console=tty2
 init=/sbin/init
 add_efi_memmap
 boot=local
-rootwait
-ro
 noresume
 noswap
 i915.modeset=1
-loglevel=1
 cros_secure
 kern_guid=%U
 tpm_tis.force=1
 tpm_tis.interrupts=0
 EOF
   WORK="${WORK} ${FLAGS_working_dir}/config.txt"
 
   # We sign the image with the recovery_key, because this is what goes onto the
   # USB key. We can only boot from the USB drive in recovery mode.
   # For dev install shim, we need to use the installer keyblock instead of
@@ skipping 96 matching lines @@
   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