63 lines
1.7 KiB
Bash
Executable File
63 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
set -e
|
|
|
|
source config.sh $1
|
|
|
|
if test -f backups/internal_flash_backup.bin; then
|
|
echo "Already have a backup in backups/internal_flash_backup.bin, refusing to overwrite."
|
|
exit 1
|
|
fi
|
|
|
|
echo "This step will overwrite the contents of the SPI flash chip that we backed up in step 2."
|
|
echo "It will be restored in step 5. Continue? (Y/y)"
|
|
read -n 1 -r
|
|
if [[ ! $REPLY =~ ^[Yy]$ ]]
|
|
then
|
|
echo "Aborted."
|
|
exit 1
|
|
fi
|
|
|
|
echo "Generating encrypted flash image from backed up data..."
|
|
if ! python3 python/tcm_encrypt.py backups/flash_backup.bin backups/itcm_backup.bin payload/payload.bin new_flash_image.bin; then
|
|
echo "Failed to build encrypted flash image."
|
|
exit 1
|
|
fi
|
|
|
|
|
|
echo "Running flashloader..."
|
|
|
|
if ! ./scripts/flashloader.sh $ADAPTER new_flash_image.bin; then
|
|
echo "Flashloader failed, check debug connection and try again."
|
|
exit 1
|
|
fi
|
|
|
|
echo "Flash successfully flashed. Now do the following procedure:"
|
|
echo "- Disconnect power from the device"
|
|
echo "- Power it again"
|
|
echo "- Press and hold the power button"
|
|
echo "- Press return (while still holding the power button)!"
|
|
|
|
|
|
read -n 1
|
|
|
|
echo "Dumping internal flash..."
|
|
if ! ${OPENOCD} -f openocd/interface_"${ADAPTER}".cfg \
|
|
-c "init;" \
|
|
-c "halt;" \
|
|
-c "dump_image backups/internal_flash_backup.bin 0x24000000 131072" \
|
|
-c "exit;" >>logs/3_openocd.log 2>&1; then
|
|
echo "Dumping internal flash failed."
|
|
exit 1
|
|
fi
|
|
|
|
echo "Verifying internal flash backup..."
|
|
if ! shasum --check shasums/internal_flash_backup.bin.sha1 >/dev/null 2>&1; then
|
|
echo "The backup of the internal flash failed. Please try again."
|
|
exit 1
|
|
fi
|
|
|
|
rm new_flash_image.bin
|
|
|
|
echo "Device backed up successfully"
|