48 lines
1.5 KiB
Bash
Executable File
48 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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source config.sh $1
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if [[ $# -ne 1 ]]; then
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echo "Usage: backup_flash.sh <Adapter: jlink or stlink>"
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exit 1
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fi
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if test -f backups/flash_backup.bin; then
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echo "Already have a backup in backups/flash_backup.bin, refusing to overwrite."
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exit 1
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fi
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echo "Make sure your Game & Watch is turned on and in the time screen. Press return when ready!"
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read -n 1
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echo "Attempting to dump flash using adapter ${ADAPTER}."
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echo "Running OpenOCD... (This will take roughly 30 seconds, your Game and Watch screen will blink in between.)"
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if ! ${OPENOCD} -f openocd/flash_"${ADAPTER}".cfg >>logs/2_openocd.log 2>&1; then
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echo "Failed to dump SPI flash from device. Verify debug connection and try again."
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exit 1
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fi
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echo "Validating ITCM dump..."
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if ! shasum --check shasums/itcm_backup.bin.sha1 >/dev/null 2>&1; then
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echo "Failed to correctly dump ITCM. Restart Game & Watch and try again."
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exit 1
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fi
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echo "Extracting checksummed part..."
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if ! dd if=backups/flash_backup.bin of=backups/flash_backup_checksummed.bin count=1040384 bs=1 >/dev/null 2>&1; then
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echo "Failed to access flash_backup.bin"
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echo "Verify openocd works correctly"
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exit 1
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fi
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echo "Validating checksum..."
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if ! shasum --check shasums/flash_backup_checksummed.bin.sha1 >/dev/null 2>&1; then
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echo "Failed to verify checksum. Try again."
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exit 1
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fi
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rm backups/flash_backup_checksummed.bin
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echo "Looks good! Successfully backed up the (encrypted) SPI flash to flash_backup.bin!"
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