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Add a new SD card image writing script

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BUG=none
TEST=Write an image to an SD card

Change-Id: I79f2ab4a30c424ab2fbeee8f2636a4900338bcd8
Reviewed-on: http://gerrit.chromium.org/gerrit/1440
Reviewed-by: David James <davidjames@chromium.org>
Tested-by: Mario Limonciello <mario_limonciello@dell.com>
This commit is contained in:
Mario Limonciello 2011-05-25 18:39:19 -05:00 committed by David James
parent 0ec519a924
commit 1f56fc6481
1 changed files with 17 additions and 13 deletions
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30
image_to_usb.sh
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@ -4,7 +4,7 @@
# Use of this source code is governed by a BSD-style license that can be # Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file. # found in the LICENSE file.
# Script to convert the output of build_image.sh to a usb image. # Script to convert the output of build_image.sh to a usb or SD image.
# --- BEGIN COMMON.SH BOILERPLATE --- # --- BEGIN COMMON.SH BOILERPLATE ---
# Load common CrOS utilities. Inside the chroot this file is installed in # Load common CrOS utilities. Inside the chroot this file is installed in
@ -35,6 +35,9 @@ find_common_sh
. "${INSTALLER_ROOT}/chromeos-common.sh" || \ . "${INSTALLER_ROOT}/chromeos-common.sh" || \
die "Unable to load chromeos-common.sh" die "Unable to load chromeos-common.sh"
# In case chromeos-common.sh doesn't support MMC yet
declare -F list_mmc_disks >/dev/null || list_mmc_disks() { true; }
get_default_board get_default_board
# Flags # Flags
@ -45,7 +48,7 @@ DEFINE_string to "/dev/sdX" "${DEFAULT_TO_HELP}"
DEFINE_boolean yes ${FLAGS_FALSE} "Answer yes to all prompts" "y" DEFINE_boolean yes ${FLAGS_FALSE} "Answer yes to all prompts" "y"
DEFINE_boolean force_copy ${FLAGS_FALSE} "Always rebuild test image" DEFINE_boolean force_copy ${FLAGS_FALSE} "Always rebuild test image"
DEFINE_boolean force_non_usb ${FLAGS_FALSE} \ DEFINE_boolean force_non_usb ${FLAGS_FALSE} \
"Write out image even if target (--to) doesn't look like a USB disk" "Write out image even if target (--to) doesn't look like a USB or MMC disk"
DEFINE_boolean factory_install ${FLAGS_FALSE} \ DEFINE_boolean factory_install ${FLAGS_FALSE} \
"Whether to generate a factory install shim." "Whether to generate a factory install shim."
DEFINE_boolean factory ${FLAGS_FALSE} \ DEFINE_boolean factory ${FLAGS_FALSE} \
@ -58,7 +61,7 @@ DEFINE_string image_name "${CHROMEOS_IMAGE_NAME}" \
"Base name of the image" i "Base name of the image" i
DEFINE_string build_root "/build" \ DEFINE_string build_root "/build" \
"The root location for board sysroots." "The root location for board sysroots."
DEFINE_boolean install ${FLAGS_FALSE} "Install to the usb device." DEFINE_boolean install ${FLAGS_FALSE} "Install to the USB or MMC device."
DEFINE_string arch "" "Architecture of the image." DEFINE_string arch "" "Architecture of the image."
# Parse command line # Parse command line
@ -124,9 +127,9 @@ fi
if [ "${FLAGS_to}" == "/dev/sdX" ]; then if [ "${FLAGS_to}" == "/dev/sdX" ]; then
echo "You must specify a file or device to write to using --to." echo "You must specify a file or device to write to using --to."
disks=$(list_usb_disks) disks="$(list_usb_disks) $(list_mmc_disks)"
if [ -n "$disks" ]; then if [ -n "$disks" ]; then
echo "Available USB disks:" echo "Available USB & MMC disks:"
for disk in $disks; do for disk in $disks; do
echo " /dev/$disk:" echo " /dev/$disk:"
echo " Manufacturer: $(get_disk_info $disk manufacturer)" echo " Manufacturer: $(get_disk_info $disk manufacturer)"
@ -153,12 +156,13 @@ FLAGS_to=`eval readlink -f ${FLAGS_to}`
# One last check to make sure user is not shooting themselves in the foot # One last check to make sure user is not shooting themselves in the foot
if [ -b "${FLAGS_to}" ]; then if [ -b "${FLAGS_to}" ]; then
if list_usb_disks | grep -q '^'${FLAGS_to##*/}'$'; then if list_usb_disks | grep -q '^'${FLAGS_to##*/}'$' ||
list_mmc_disks | grep -q '^'${FLAGS_to##*/}'$'; then
disk_manufacturer=$(get_disk_info ${FLAGS_to##*/} manufacturer) disk_manufacturer=$(get_disk_info ${FLAGS_to##*/} manufacturer)
disk_product=$(get_disk_info ${FLAGS_to##*/} product) disk_product=$(get_disk_info ${FLAGS_to##*/} product)
elif [ ${FLAGS_force_non_usb} -ne ${FLAGS_TRUE} ]; then elif [ ${FLAGS_force_non} -ne ${FLAGS_TRUE} ]; then
# Safeguard against writing to a real non-USB disk # Safeguard against writing to a real non-USB disk or non-SD disk
echo "Error: Device ${FLAGS_to} does not appear to be a USB disk!" echo "Error: Device ${FLAGS_to} does not appear to be a USB or MMC disk!"
echo " To override this safeguard, use the --force_non_usb flag" echo " To override this safeguard, use the --force_non_usb flag"
exit 1 exit 1
fi fi
@ -188,11 +192,11 @@ fi
# Let's do it. # Let's do it.
if [ -b "${FLAGS_to}" ]; then if [ -b "${FLAGS_to}" ]; then
# Output to a block device (i.e., a real USB key), so need sudo dd # Output to a block device (i.e., a real USB key / SD card), so need sudo dd
if [ ${FLAGS_install} -ne ${FLAGS_TRUE} ]; then if [ ${FLAGS_install} -ne ${FLAGS_TRUE} ]; then
echo "Copying USB image ${SRC_IMAGE} to device ${FLAGS_to}..." echo "Copying USB image ${SRC_IMAGE} to device ${FLAGS_to}..."
else else
echo "Installing USB image ${SRC_IMAGE} to device ${FLAGS_to}..." echo "Installing image ${SRC_IMAGE} to device ${FLAGS_to}..."
fi fi
# Warn if it looks like they supplied a partition as the destination. # Warn if it looks like they supplied a partition as the destination.
@ -221,7 +225,7 @@ if [ -b "${FLAGS_to}" ]; then
fi fi
fi fi
echo "Attempting to unmount any mounts on the USB device..." echo "Attempting to unmount any mounts on the USB/MMC device..."
for i in $(mount | grep ^"${FLAGS_to}" | awk '{print $1}'); do for i in $(mount | grep ^"${FLAGS_to}" | awk '{print $1}'); do
if sudo umount "$i" 2>&1 >/dev/null | grep "not found"; then if sudo umount "$i" 2>&1 >/dev/null | grep "not found"; then
echo echo
@ -260,7 +264,7 @@ else
echo "Copying ${SRC_IMAGE} to ${FLAGS_to}..." echo "Copying ${SRC_IMAGE} to ${FLAGS_to}..."
${COMMON_PV_CAT} "${SRC_IMAGE}" >"${FLAGS_to}" ${COMMON_PV_CAT} "${SRC_IMAGE}" >"${FLAGS_to}"
echo "Done. To copy to a USB drive, do something like:" echo "Done. To copy to a USB/MMC drive, do something like:"
echo " sudo dd if=${FLAGS_to} of=/dev/sdX bs=4M oflag=sync" echo " sudo dd if=${FLAGS_to} of=/dev/sdX bs=4M oflag=sync"
echo "where /dev/sdX is the entire drive." echo "where /dev/sdX is the entire drive."
fi fi