1fd5db8246
Limit the following devices to accept ffu upgrade: - LifeC time < 10% - Activated date < 1 year Bug: 273305600 Test: run ffu process at local Change-Id: I9cc9298eeb7cd32f02a9577efb71bda0737f284d Signed-off-by: Leo Liou <leoliou@google.com>
29 lines
1.1 KiB
Bash
Executable file
29 lines
1.1 KiB
Bash
Executable file
#!/vendor/bin/sh
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#
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# The script belongs to the feature of UFS FFU via OTA: go/p23-ffu-ota
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# Its purpose is to copy the corresponding firmware into partition for UFS FFU.
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ufs_dev="/dev/sys/block/bootdevice"
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fw_dir="/vendor/firmware"
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blk_dev="/dev/block/by-name/fips"
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min_timestamp=$(date -d "2022-10-01" +%s)
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epoch_1y=$(date -u -d "1971-01-01" +%s)
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vendor=$(cat ${ufs_dev}/vendor | tr -d "[:space:]")
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model=$(cat ${ufs_dev}/model | tr -d "[:space:]")
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rev=$(cat ${ufs_dev}/rev | tr -d "[:space:]")
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file=$(find ${fw_dir} -name "*${vendor}${model}${rev}*" | head -n 1)
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lifec=$(cat ${ufs_dev}/health_descriptor/life_time_estimation_c | tr -d "[:space:]")
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[ ! "$lifec" ] && lifec=0xff
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atime=$(ls -lu -d /data 2>&1 | awk '{print $6}')
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timestamp=$(date -d "$atime" +%s)
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(( $timestamp < $min_timestamp )) && timestamp=$min_timestamp
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now=$(date +%s)
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if [ -n "$file" ] && (( $lifec < 0x0a )) && (( $timestamp + $epoch_1y >= $now )); then
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# The first 4KB block at fips partition has been occupied, and unused space begins from 4 KB
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# Refer to: go/pixel-mp-ffu-ota-1p
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dd if="$file" of=$blk_dev bs=4k seek=1
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fi
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