36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
# This curious script dumps all model info from STC-ISP.
|
||
|
|
# Data is directly read from the binary.
|
||
|
|
# Offsets are for STC-ISP 6.63, md5sum 62d465a196de26fa3fb4b22c7be4b882.
|
||
|
|
|
||
|
|
MCU_TABLE_OFFSET = 0x0004e270
|
||
|
|
MCU_TABLE_SIZE = 648
|
||
|
|
MCU_RECORD_SIZE = 32
|
||
|
|
MCU_NAMES_OFFSET = 0x00062dc8
|
||
|
|
MCU_NAMES_PTR_OFFSET = 0x00462dc8
|
||
|
|
|
||
|
|
import struct
|
||
|
|
import sys
|
||
|
|
|
||
|
|
inp = open(sys.argv[1], "rb")
|
||
|
|
|
||
|
|
for i in range(MCU_TABLE_SIZE):
|
||
|
|
mcu_record_offset = MCU_TABLE_OFFSET + MCU_RECORD_SIZE * i
|
||
|
|
inp.seek(mcu_record_offset)
|
||
|
|
mcu_record = inp.read(MCU_RECORD_SIZE)
|
||
|
|
flags, name_ptr, mcu_id, code_size, ee_size, _, total_size, _ = struct.unpack("<8I", mcu_record)
|
||
|
|
|
||
|
|
mcu_name_offset = MCU_NAMES_OFFSET + (name_ptr - MCU_NAMES_PTR_OFFSET)
|
||
|
|
inp.seek(mcu_name_offset)
|
||
|
|
name_str = inp.read(16).split(b'\00')[0].decode("ascii")
|
||
|
|
|
||
|
|
# 1 KB are reserved for some reason. in some cases even more. very odd.
|
||
|
|
if ee_size > 0 and not name_str.startswith("IAP"):
|
||
|
|
ee_size -= 1024
|
||
|
|
|
||
|
|
print("MCUModel(name='%s', magic=0x%02x%02x, total=%d, code=%d, eeprom=%d)," %
|
||
|
|
(name_str, mcu_id >> 8, mcu_id & 0xff, total_size, code_size, ee_size))
|
||
|
|
|
||
|
|
inp.close()
|
||
|
|
|