diff options
Diffstat (limited to 'storage/ufs_firmware_update.sh')
| -rwxr-xr-x | storage/ufs_firmware_update.sh | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/storage/ufs_firmware_update.sh b/storage/ufs_firmware_update.sh index d118115..a5cabfb 100755 --- a/storage/ufs_firmware_update.sh +++ b/storage/ufs_firmware_update.sh @@ -6,13 +6,23 @@ ufs_dev="/dev/sys/block/bootdevice" fw_dir="/vendor/firmware" blk_dev="/dev/block/by-name/fips" +min_timestamp=$(date -d "2022-10-01" +%s) +epoch_1y=$(date -u -d "1971-01-01" +%s) vendor=$(cat ${ufs_dev}/vendor | tr -d "[:space:]") model=$(cat ${ufs_dev}/model | tr -d "[:space:]") rev=$(cat ${ufs_dev}/rev | tr -d "[:space:]") file=$(find ${fw_dir} -name "*${vendor}${model}${rev}*" | head -n 1) -if [ -n "$file" ]; then +lifec=$(cat ${ufs_dev}/health_descriptor/life_time_estimation_c | tr -d "[:space:]") +[ ! "$lifec" ] && lifec=0xff + +atime=$(ls -lu -d /data 2>&1 | awk '{print $6}') +timestamp=$(date -d "$atime" +%s) +(( $timestamp < $min_timestamp )) && timestamp=$min_timestamp +now=$(date +%s) + +if [ -n "$file" ] && (( $lifec < 0x0a )) && (( $timestamp + $epoch_1y >= $now )); then # The first 4KB block at fips partition has been occupied, and unused space begins from 4 KB # Refer to: go/pixel-mp-ffu-ota-1p dd if="$file" of=$blk_dev bs=4k seek=1 |