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remove handling of kernel verification block from recovery image

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Change-Id: I749dc652651fdb02b49b290863e2fa9adc6b904e

Review URL: http://codereview.chromium.org/2948005
This commit is contained in:
Tan Gao 2010-07-13 07:04:48 -07:00
parent dc07fb27e4
commit 8ae113bb42
1 changed files with 0 additions and 18 deletions
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18
mod_image_for_recovery.sh
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@ -46,11 +46,6 @@ mount_gpt_cleanup() {
# Modifies an existing image for recovery use
update_recovery_packages() {
local image_name=$1
local sector_size=512 # sector size in bytes
local num_sectors_vb=128 # number of sectors in kernel verification blob
# Start offset of kernel A (aligned to 4096-sector boundary)
local start_kern_a=4096
local vb_file="${STATEFUL_FS_DIR}/verification_blob.kernel"
echo "Modifying image ${image_name} for recovery use"
@ -63,19 +58,6 @@ update_recovery_packages() {
# Mark the image as a recovery image (needed for recovery boot)
sudo touch "${STATEFUL_FS_DIR}/.recovery"
# Copy verification blob out of kernel A into stateful partition
# so that we can restore it during recovery
sudo touch $vb_file
echo "Backing up kernel verification blob onto stateful partition ..."
sudo dd if="$image_name" of="$vb_file" skip=$start_kern_a bs=$sector_size \
count=$num_sectors_vb conv=notrunc
# Overwrite verification blob with recovery image verification blob
# TODO(tgao): resign kernel for recovery image
echo "Overwrite kernel verification blob with resigned blob for recovery..."
sudo dd if=/dev/zero of="$image_name" seek=$start_kern_a bs=$sector_size \
count=$num_sectors_vb conv=notrunc
trap - EXIT
${SCRIPTS_DIR}/mount_gpt_image.sh -u -r "${ROOT_FS_DIR}" \
-s "${STATEFUL_FS_DIR}"