mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-22 23:48:12 +00:00
68 lines
2.0 KiB
Python
Executable File
68 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2022 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import sys
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from trezorlib.debuglink import DebugLink
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from trezorlib.transport import enumerate_devices
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# fmt: off
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sectoraddrs = [0x8000000, 0x8004000, 0x8008000, 0x800c000,
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0x8010000, 0x8020000, 0x8040000, 0x8060000,
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0x8080000, 0x80a0000, 0x80c0000, 0x80f0000]
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sectorlens = [0x4000, 0x4000, 0x4000, 0x4000,
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0x8000, 0x10000, 0x10000, 0x10000,
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0x10000, 0x10000, 0x10000, 0x10000]
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# fmt: on
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def find_debug() -> DebugLink:
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for device in enumerate_devices():
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try:
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debug_transport = device.find_debug()
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debug = DebugLink(debug_transport, auto_interact=False)
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debug.open()
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return debug
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except Exception:
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continue
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else:
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print("No suitable Trezor device found")
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sys.exit(1)
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def main() -> None:
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debug = find_debug()
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sector = int(sys.argv[1])
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f = open(sys.argv[2], "rb")
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content = f.read(sectorlens[sector])
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if len(content) != sectorlens[sector]:
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print("Not enough bytes in file")
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return
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debug.flash_erase(sector)
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step = 0x400
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for offset in range(0, sectorlens[sector], step):
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debug.memory_write(
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sectoraddrs[sector] + offset, content[offset : offset + step], flash=True
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)
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if __name__ == "__main__":
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main()
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