mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-29 01:28:10 +00:00
50 lines
1.3 KiB
Python
Executable File
50 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
from trezorlib.debuglink import DebugLink
|
|
from trezorlib.client import TrezorClient
|
|
from trezorlib.transport import enumerate_devices
|
|
import sys
|
|
|
|
# usage examples
|
|
# read entire bootloader: ./mem_read.py 8000000 8000
|
|
# read initial stack pointer: ./mem_read.py 8000000 4
|
|
# an entire bootloader can be later disassembled with:
|
|
# arm-none-eabi-objdump -D -b binary -m arm -M force-thumb memory.dat
|
|
# note that in order for this to work, your trezor device must
|
|
# be running a firmware that was built with debug link enabled
|
|
|
|
|
|
def main():
|
|
# List all debuggable TREZORs
|
|
devices = [device for device in enumerate_devices() if hasattr(device, 'find_debug')]
|
|
|
|
# Check whether we found any
|
|
if len(devices) == 0:
|
|
print('No TREZOR found')
|
|
return
|
|
|
|
# Use first connected device
|
|
transport = devices[0]
|
|
debug_transport = devices[0].find_debug()
|
|
|
|
# Creates object for manipulating TREZOR
|
|
client = TrezorClient(transport)
|
|
debug = DebugLink(debug_transport)
|
|
|
|
arg1 = int(sys.argv[1], 16)
|
|
arg2 = int(sys.argv[2], 16)
|
|
step = 0x400 if arg2 >= 0x400 else arg2
|
|
|
|
f = open('memory.dat', 'wb')
|
|
|
|
for addr in range(arg1, arg1 + arg2, step):
|
|
mem = debug.memory_read(addr, step)
|
|
f.write(mem)
|
|
|
|
f.close()
|
|
|
|
client.close()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|