mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-21 13:58:08 +00:00
51 lines
1.4 KiB
Python
Executable File
51 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
|
|
from __future__ import print_function
|
|
|
|
from trezorlib.debuglink import DebugLink
|
|
from trezorlib.client import TrezorClient, TrezorDebugClient
|
|
from trezorlib.transport_hid import HidTransport
|
|
import binascii
|
|
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 connected TREZORs on USB
|
|
devices = HidTransport.enumerate()
|
|
|
|
# Check whether we found any
|
|
if len(devices) == 0:
|
|
print('No TREZOR found')
|
|
return
|
|
|
|
# Use first connected device
|
|
transport = HidTransport(devices[0])
|
|
|
|
# Creates object for manipulating TREZOR
|
|
debug_transport = HidTransport(devices[0], **{'debug_link': True})
|
|
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', 'w')
|
|
|
|
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()
|