40 lines
1.1 KiB
Text
40 lines
1.1 KiB
Text
#!/sbin/openrc-run
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description="Setup modem firmware for tqftpserv"
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depend() {
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before tqftpserv
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}
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start()
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{
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MODEM_FIRMWARE_DIR="/lib/firmware/postmarketos/persist"
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# The firmware present here is unique to each device
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# Using the firmware of one device on another can will simply fail
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# This is needed because motorola devices derive IMEI and other unique
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# IDs from these files
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# See also: https://forum.xda-developers.com/g5-plus/how-to/fix-persist-resolve-imei0-explanation-t3825147
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if [ ! -d $MODEM_FIRMWARE_DIR ]; then
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# Make a copy of the firmware if its not already made
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# Use the copy instead of the original, because if due to some error
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# somehow the firmware gets corrupted, the original firmware will
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# still be available on the 'persist' partition
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PERSIST_PATH="/tmp/persist"
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PERSIST_DEV="/dev/disk/by-partlabel/persist"
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mkdir -p $PERSIST_PATH
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mount $PERSIST_DEV -o ro,noatime $PERSIST_PATH
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mkdir $MODEM_FIRMWARE_DIR
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cp -R "$PERSIST_PATH"/rfs/msm/mpss/ "$MODEM_FIRMWARE_DIR"/readwrite
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umount $PERSIST_DEV
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rmdir $PERSIST_PATH
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fi
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ln -s "$MODEM_FIRMWARE_DIR"/readwrite/ /tmp/tqftpserv
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}
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