OpenOCD scripts (#2101)
* Scripts: option bytes check * Scripts: option bytes set * Scripts: openocd config * Scripts: increased readability, process IPCCBR option byte * Scripts: split dap_ob.py * Updater: process IPCCBR option byte * Scripts: move chip-related functions to chip definition * Scripts: freeze CPU registers * Scripts: flash programming routine * ob.py * otp.py * otp: handle errors correctly * downgrade to python 3.9 * correct type hinting * Scripts: fix path to ob.data Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Sergey Gavrilov
GitHub
parent
ded7e727d0
commit
727f043747
@ -488,7 +488,7 @@ static const FuriHalFlashObMapping furi_hal_flash_ob_reg_map[FURI_HAL_FLASH_OB_T
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OB_REG_DEF(FuriHalFlashObInvalid, (NULL)),
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OB_REG_DEF(FuriHalFlashObInvalid, (NULL)),
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OB_REG_DEF(FuriHalFlashObRegisterIPCCMail, (NULL)),
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OB_REG_DEF(FuriHalFlashObRegisterIPCCMail, (&FLASH->IPCCBR)),
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OB_REG_DEF(FuriHalFlashObRegisterSecureFlash, (NULL)),
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OB_REG_DEF(FuriHalFlashObRegisterC2Opts, (NULL)),
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};
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173
scripts/flipper/utils/openocd.py
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173
scripts/flipper/utils/openocd.py
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@ -0,0 +1,173 @@
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import socket
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import subprocess
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import logging
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class OpenOCD:
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"""OpenOCD cli wrapper"""
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COMMAND_TOKEN = "\x1a"
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def __init__(self, config: dict = {}) -> None:
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assert isinstance(config, dict)
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# Params base
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self.params = []
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self.gdb_port = 3333
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self.telnet_port = 4444
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self.tcl_port = 6666
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# Port
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if port_base := config.get("port_base", None):
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self.gdb_port = port_base
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self.tcl_port = port_base + 1
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self.telnet_port = port_base + 2
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self._add_command(f"gdb_port {self.gdb_port}")
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self._add_command(f"tcl_port {self.tcl_port}")
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self._add_command(f"telnet_port {self.telnet_port}")
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# Config files
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if interface := config.get("interface", None):
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pass
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else:
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interface = "interface/stlink.cfg"
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if target := config.get("target", None):
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pass
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else:
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target = "target/stm32wbx.cfg"
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self._add_file(interface)
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self._add_file(target)
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# Programmer settings
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if serial := config.get("serial", None):
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self._add_command(f"{serial}")
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# Other params
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if "params" in config:
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self.params += config["params"]
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# logging
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self.logger = logging.getLogger()
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def _add_command(self, command: str):
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self.params.append("-c")
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self.params.append(command)
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def _add_file(self, file: str):
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self.params.append("-f")
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self.params.append(file)
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def start(self, args: list[str] = []):
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"""Start OpenOCD process"""
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params = ["openocd", *self.params, *args]
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self.logger.debug(f"_execute: {params}")
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self.process = subprocess.Popen(
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params, stderr=subprocess.PIPE, stdout=subprocess.PIPE
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)
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self._wait_for_openocd_tcl()
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.socket.connect(("127.0.0.1", self.tcl_port))
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def _wait_for_openocd_tcl(self):
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"""Wait for OpenOCD to start"""
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# TODO: timeout
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while True:
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stderr = self.process.stderr
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if not stderr:
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break
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line = stderr.readline()
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if not line:
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break
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line = line.decode("utf-8").strip()
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self.logger.debug(f"OpenOCD: {line}")
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if "Listening on port" in line and "for tcl connections" in line:
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break
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def stop(self):
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self.send_tcl("exit")
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self.send_tcl("shutdown")
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self.socket.close()
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try:
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self.process.wait(timeout=10)
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except subprocess.TimeoutExpired as e:
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self.process.kill()
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self.logger.error("Failed to stop OpenOCD")
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self.logger.exception(e)
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self.postmortem()
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def send_tcl(self, cmd) -> str:
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"""Send a command string to TCL RPC. Return the result that was read."""
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try:
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data = (cmd + OpenOCD.COMMAND_TOKEN).encode("utf-8")
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self.logger.debug(f"<- {data}")
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self.socket.send(data)
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except Exception as e:
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self.logger.error("Failed to send command to OpenOCD")
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self.logger.exception(e)
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self.postmortem()
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raise
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try:
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data = self._recv()
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return data
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except Exception as e:
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self.logger.error("Failed to receive response from OpenOCD")
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self.logger.exception(e)
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self.postmortem()
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raise
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def _recv(self):
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"""Read from the stream until the token (\x1a) was received."""
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# TODO: timeout
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data = bytes()
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while True:
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chunk = self.socket.recv(4096)
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data += chunk
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if bytes(OpenOCD.COMMAND_TOKEN, encoding="utf-8") in chunk:
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break
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self.logger.debug(f"-> {data}")
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data = data.decode("utf-8").strip()
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data = data[:-1] # strip trailing \x1a
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return data
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def postmortem(self) -> None:
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"""Postmortem analysis of the OpenOCD process"""
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stdout, stderr = self.process.communicate()
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log = self.logger.error
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if self.process.returncode == 0:
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log = self.logger.debug
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log("OpenOCD exited normally")
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else:
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log("OpenOCD exited with error")
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log(f"Exit code: {self.process.returncode}")
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for line in stdout.decode("utf-8").splitlines():
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log(f"Stdout: {line}")
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for line in stderr.decode("utf-8").splitlines():
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log(f"Stderr: {line}")
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def read_32(self, addr: int) -> int:
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"""Read 32-bit value from memory"""
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data = self.send_tcl(f"mdw {addr}").strip()
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data = data.split(": ")[-1]
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data = int(data, 16)
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return data
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def write_32(self, addr: int, value: int) -> None:
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"""Write 32-bit value to memory"""
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self.send_tcl(f"mww {addr} {value}")
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31
scripts/flipper/utils/programmer.py
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31
scripts/flipper/utils/programmer.py
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@ -0,0 +1,31 @@
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from abc import ABC, abstractmethod
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from enum import Enum
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class Programmer(ABC):
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def __init__(self):
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pass
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class RunMode(Enum):
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Run = "run"
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Stop = "stop"
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@abstractmethod
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def reset(self, mode: RunMode = RunMode.Run) -> bool:
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pass
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@abstractmethod
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def flash(self, address: int, file_path: str, verify: bool = True) -> bool:
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pass
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@abstractmethod
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def option_bytes_validate(self, file_path: str) -> bool:
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pass
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@abstractmethod
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def option_bytes_set(self, file_path: str) -> bool:
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pass
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@abstractmethod
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def otp_write(self, address: int, file_path: str) -> bool:
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pass
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281
scripts/flipper/utils/programmer_openocd.py
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281
scripts/flipper/utils/programmer_openocd.py
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@ -0,0 +1,281 @@
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import logging
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import os
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import typing
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from flipper.utils.programmer import Programmer
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from flipper.utils.openocd import OpenOCD
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from flipper.utils.stm32wb55 import STM32WB55
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from flipper.assets.obdata import OptionBytesData
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class OpenOCDProgrammer(Programmer):
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def __init__(
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self,
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interface: str = "interface/cmsis-dap.cfg",
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port_base: typing.Union[int, None] = None,
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serial: typing.Union[str, None] = None,
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):
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super().__init__()
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config = {}
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config["interface"] = interface
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config["target"] = "target/stm32wbx.cfg"
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if not serial is None:
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if interface == "interface/cmsis-dap.cfg":
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config["serial"] = f"cmsis_dap_serial {serial}"
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elif "stlink" in interface:
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config["serial"] = f"stlink_serial {serial}"
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if not port_base is None:
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config["port_base"] = port_base
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self.openocd = OpenOCD(config)
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self.logger = logging.getLogger()
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def reset(self, mode: Programmer.RunMode = Programmer.RunMode.Run) -> bool:
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stm32 = STM32WB55()
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if mode == Programmer.RunMode.Run:
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stm32.reset(self.openocd, stm32.RunMode.Run)
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elif mode == Programmer.RunMode.Stop:
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stm32.reset(self.openocd, stm32.RunMode.Init)
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else:
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raise Exception("Unknown mode")
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return True
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def flash(self, address: int, file_path: str, verify: bool = True) -> bool:
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if not os.path.exists(file_path):
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raise Exception(f"File {file_path} not found")
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self.openocd.start()
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self.openocd.send_tcl(f"init")
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self.openocd.send_tcl(
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f"program {file_path} 0x{address:08x}{' verify' if verify else ''} reset exit"
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)
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self.openocd.stop()
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return True
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def _ob_print_diff_table(self, ob_reference: bytes, ob_read: bytes, print_fn):
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print_fn(
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f'{"Reference": <20} {"Device": <20} {"Diff Reference": <20} {"Diff Device": <20}'
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)
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# Split into 8 byte, word + word
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for i in range(0, len(ob_reference), 8):
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ref = ob_reference[i : i + 8]
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read = ob_read[i : i + 8]
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diff_str1 = ""
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diff_str2 = ""
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for j in range(0, len(ref.hex()), 2):
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byte_str_1 = ref.hex()[j : j + 2]
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byte_str_2 = read.hex()[j : j + 2]
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if byte_str_1 == byte_str_2:
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diff_str1 += "__"
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diff_str2 += "__"
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else:
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diff_str1 += byte_str_1
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diff_str2 += byte_str_2
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print_fn(
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f"{ref.hex(): <20} {read.hex(): <20} {diff_str1: <20} {diff_str2: <20}"
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)
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def option_bytes_validate(self, file_path: str) -> bool:
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# Registers
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stm32 = STM32WB55()
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# OpenOCD
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self.openocd.start()
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stm32.reset(self.openocd, stm32.RunMode.Init)
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# Generate Option Bytes data
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ob_data = OptionBytesData(file_path)
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ob_values = ob_data.gen_values().export()
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ob_reference = ob_values.reference
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ob_compare_mask = ob_values.compare_mask
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ob_length = len(ob_reference)
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ob_words = int(ob_length / 4)
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# Read Option Bytes
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ob_read = bytes()
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for i in range(ob_words):
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addr = stm32.OPTION_BYTE_BASE + i * 4
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value = self.openocd.read_32(addr)
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ob_read += value.to_bytes(4, "little")
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# Compare Option Bytes with reference by mask
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ob_compare = bytes()
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for i in range(ob_length):
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ob_compare += bytes([ob_read[i] & ob_compare_mask[i]])
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# Compare Option Bytes
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return_code = False
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if ob_reference == ob_compare:
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self.logger.info("Option Bytes are valid")
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return_code = True
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else:
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self.logger.error("Option Bytes are invalid")
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self._ob_print_diff_table(ob_reference, ob_compare, self.logger.error)
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# Stop OpenOCD
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stm32.reset(self.openocd, stm32.RunMode.Run)
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self.openocd.stop()
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return return_code
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def _unpack_u32(self, data: bytes, offset: int):
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return int.from_bytes(data[offset : offset + 4], "little")
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def option_bytes_set(self, file_path: str) -> bool:
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# Registers
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stm32 = STM32WB55()
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# OpenOCD
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self.openocd.start()
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stm32.reset(self.openocd, stm32.RunMode.Init)
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# Generate Option Bytes data
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ob_data = OptionBytesData(file_path)
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ob_values = ob_data.gen_values().export()
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ob_reference_bytes = ob_values.reference
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ob_compare_mask_bytes = ob_values.compare_mask
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ob_write_mask_bytes = ob_values.write_mask
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ob_length = len(ob_reference_bytes)
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ob_dwords = int(ob_length / 8)
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# Clear flash errors
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stm32.clear_flash_errors(self.openocd)
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# Unlock Flash and Option Bytes
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stm32.flash_unlock(self.openocd)
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stm32.option_bytes_unlock(self.openocd)
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ob_need_to_apply = False
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for i in range(ob_dwords):
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device_addr = stm32.OPTION_BYTE_BASE + i * 8
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device_value = self.openocd.read_32(device_addr)
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ob_write_mask = self._unpack_u32(ob_write_mask_bytes, i * 8)
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ob_compare_mask = self._unpack_u32(ob_compare_mask_bytes, i * 8)
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ob_value_ref = self._unpack_u32(ob_reference_bytes, i * 8)
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ob_value_masked = device_value & ob_compare_mask
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need_patch = ((ob_value_masked ^ ob_value_ref) & ob_write_mask) != 0
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if need_patch:
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ob_need_to_apply = True
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self.logger.info(
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f"Need to patch: {device_addr:08X}: {ob_value_masked:08X} != {ob_value_ref:08X}, REG[{i}]"
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)
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# Check if this option byte (dword) is mapped to a register
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device_reg_addr = stm32.option_bytes_id_to_address(i)
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# Construct new value for the OB register
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ob_value = device_value & (~ob_write_mask)
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ob_value |= ob_value_ref & ob_write_mask
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self.logger.info(f"Writing {ob_value:08X} to {device_reg_addr:08X}")
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self.openocd.write_32(device_reg_addr, ob_value)
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if ob_need_to_apply:
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stm32.option_bytes_apply(self.openocd)
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else:
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self.logger.info(f"Option Bytes are already correct")
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# Load Option Bytes
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# That will reset and also lock the Option Bytes and the Flash
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stm32.option_bytes_load(self.openocd)
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# Stop OpenOCD
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stm32.reset(self.openocd, stm32.RunMode.Run)
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self.openocd.stop()
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return True
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def otp_write(self, address: int, file_path: str) -> bool:
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# Open file, check that it aligned to 8 bytes
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with open(file_path, "rb") as f:
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data = f.read()
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if len(data) % 8 != 0:
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self.logger.error(f"File {file_path} is not aligned to 8 bytes")
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return False
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# Check that address is aligned to 8 bytes
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if address % 8 != 0:
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self.logger.error(f"Address {address} is not aligned to 8 bytes")
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return False
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# Get size of data
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data_size = len(data)
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# Check that data size is aligned to 8 bytes
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if data_size % 8 != 0:
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self.logger.error(f"Data size {data_size} is not aligned to 8 bytes")
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return False
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self.logger.debug(f"Writing {data_size} bytes to OTP at {address:08X}")
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self.logger.debug(f"Data: {data.hex().upper()}")
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# Start OpenOCD
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oocd = self.openocd
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oocd.start()
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# Registers
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stm32 = STM32WB55()
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try:
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# Check that OTP is empty for the given address
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# Also check that data is already written
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already_written = True
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for i in range(0, data_size, 4):
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file_word = int.from_bytes(data[i : i + 4], "little")
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device_word = oocd.read_32(address + i)
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if device_word != 0xFFFFFFFF and device_word != file_word:
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self.logger.error(
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f"OTP memory at {address + i:08X} is not empty: {device_word:08X}"
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)
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raise Exception("OTP memory is not empty")
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if device_word != file_word:
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already_written = False
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if already_written:
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self.logger.info(f"OTP memory is already written with the given data")
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return True
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|
||||
self.reset(self.RunMode.Stop)
|
||||
stm32.clear_flash_errors(oocd)
|
||||
|
||||
# Write OTP memory by 8 bytes
|
||||
for i in range(0, data_size, 8):
|
||||
word_1 = int.from_bytes(data[i : i + 4], "little")
|
||||
word_2 = int.from_bytes(data[i + 4 : i + 8], "little")
|
||||
self.logger.debug(
|
||||
f"Writing {word_1:08X} {word_2:08X} to {address + i:08X}"
|
||||
)
|
||||
stm32.write_flash_64(oocd, address + i, word_1, word_2)
|
||||
|
||||
# Validate OTP memory
|
||||
validation_result = True
|
||||
|
||||
for i in range(0, data_size, 4):
|
||||
file_word = int.from_bytes(data[i : i + 4], "little")
|
||||
device_word = oocd.read_32(address + i)
|
||||
if file_word != device_word:
|
||||
self.logger.error(
|
||||
f"Validation failed: {file_word:08X} != {device_word:08X} at {address + i:08X}"
|
||||
)
|
||||
validation_result = False
|
||||
finally:
|
||||
# Stop OpenOCD
|
||||
stm32.reset(oocd, stm32.RunMode.Run)
|
||||
oocd.stop()
|
||||
|
||||
return validation_result
|
||||
95
scripts/flipper/utils/register.py
Normal file
95
scripts/flipper/utils/register.py
Normal file
@ -0,0 +1,95 @@
|
||||
from dataclasses import dataclass
|
||||
from flipper.utils.openocd import OpenOCD
|
||||
|
||||
|
||||
@dataclass
|
||||
class RegisterBitDefinition:
|
||||
name: str
|
||||
offset: int
|
||||
size: int
|
||||
value: int = 0
|
||||
|
||||
|
||||
class Register32:
|
||||
def __init__(self, address: int, definition_list: list[RegisterBitDefinition]):
|
||||
self.__dict__["names"] = [definition.name for definition in definition_list]
|
||||
self.names = [definition.name for definition in definition_list] # typecheck
|
||||
self.address = address
|
||||
self.definition_list = definition_list
|
||||
|
||||
# Validate that the definitions are not overlapping
|
||||
for i in range(len(definition_list)):
|
||||
for j in range(i + 1, len(definition_list)):
|
||||
if self._is_overlapping(definition_list[i], definition_list[j]):
|
||||
raise ValueError("Register definitions are overlapping")
|
||||
|
||||
self.freezed = True
|
||||
|
||||
def _is_overlapping(
|
||||
self, a: RegisterBitDefinition, b: RegisterBitDefinition
|
||||
) -> bool:
|
||||
if a.offset + a.size <= b.offset:
|
||||
return False
|
||||
if b.offset + b.size <= a.offset:
|
||||
return False
|
||||
return True
|
||||
|
||||
def _get_definition(self, name: str) -> RegisterBitDefinition:
|
||||
for definition in self.definition_list:
|
||||
if definition.name == name:
|
||||
return definition
|
||||
raise ValueError(f"Register definition '{name}' not found")
|
||||
|
||||
def get_definition_list(self) -> list[RegisterBitDefinition]:
|
||||
return self.definition_list
|
||||
|
||||
def get_address(self) -> int:
|
||||
return self.address
|
||||
|
||||
def set_reg_value(self, name: str, value: int):
|
||||
definition = self._get_definition(name)
|
||||
if value > (1 << definition.size) - 1:
|
||||
raise ValueError(
|
||||
f"Value {value} is too large for register definition '{name}'"
|
||||
)
|
||||
definition.value = value
|
||||
|
||||
def get_reg_value(self, name: str) -> int:
|
||||
definition = self._get_definition(name)
|
||||
return definition.value
|
||||
|
||||
def __getattr__(self, attr):
|
||||
if str(attr) in self.names:
|
||||
return self.get_reg_value(str(attr))
|
||||
else:
|
||||
return self.__dict__[attr]
|
||||
|
||||
def __setattr__(self, attr, value):
|
||||
if str(attr) in self.names:
|
||||
self.set_reg_value(str(attr), value)
|
||||
else:
|
||||
if attr in self.__dict__ or "freezed" not in self.__dict__:
|
||||
self.__dict__[attr] = value
|
||||
else:
|
||||
raise AttributeError(f"Attribute '{attr}' not found")
|
||||
|
||||
def __dir__(self):
|
||||
return self.names
|
||||
|
||||
def set(self, value: int):
|
||||
for definition in self.definition_list:
|
||||
definition.value = (value >> definition.offset) & (
|
||||
(1 << definition.size) - 1
|
||||
)
|
||||
|
||||
def get(self) -> int:
|
||||
value = 0
|
||||
for definition in self.definition_list:
|
||||
value |= definition.value << definition.offset
|
||||
return value
|
||||
|
||||
def load(self, openocd: OpenOCD):
|
||||
self.set(openocd.read_32(self.address))
|
||||
|
||||
def store(self, openocd: OpenOCD):
|
||||
openocd.write_32(self.address, self.get())
|
||||
352
scripts/flipper/utils/stm32wb55.py
Normal file
352
scripts/flipper/utils/stm32wb55.py
Normal file
@ -0,0 +1,352 @@
|
||||
import logging
|
||||
from enum import Enum
|
||||
|
||||
from flipper.utils.openocd import OpenOCD
|
||||
from flipper.utils.register import Register32, RegisterBitDefinition
|
||||
|
||||
|
||||
class STM32WB55:
|
||||
# Address of OTP memory in flash
|
||||
OTP_BASE = 0x1FFF7000
|
||||
|
||||
# Address of Option byte in flash
|
||||
OPTION_BYTE_BASE = 0x1FFF8000
|
||||
|
||||
# Flash base address
|
||||
FLASH_BASE = 0x58004000
|
||||
|
||||
# Flash unlock register
|
||||
FLASH_KEYR = FLASH_BASE + 0x08
|
||||
|
||||
# Option byte unlock register
|
||||
FLASH_OPTKEYR = FLASH_BASE + 0x0C
|
||||
|
||||
# Flash unlock keys
|
||||
FLASH_UNLOCK_KEY1 = 0x45670123
|
||||
FLASH_UNLOCK_KEY2 = 0xCDEF89AB
|
||||
|
||||
# Option byte unlock keys
|
||||
FLASH_UNLOCK_OPTKEY1 = 0x08192A3B
|
||||
FLASH_UNLOCK_OPTKEY2 = 0x4C5D6E7F
|
||||
|
||||
# Flash control register
|
||||
FLASH_CR = Register32(
|
||||
FLASH_BASE + 0x14,
|
||||
[
|
||||
RegisterBitDefinition("PG", 0, 1),
|
||||
RegisterBitDefinition("PER", 1, 1),
|
||||
RegisterBitDefinition("MER", 2, 1),
|
||||
RegisterBitDefinition("PNB", 3, 8),
|
||||
RegisterBitDefinition("_", 11, 5),
|
||||
RegisterBitDefinition("STRT", 16, 1),
|
||||
RegisterBitDefinition("OPT_STRT", 17, 1),
|
||||
RegisterBitDefinition("FSTPG", 18, 1),
|
||||
RegisterBitDefinition("_", 19, 5),
|
||||
RegisterBitDefinition("EOPIE", 24, 1),
|
||||
RegisterBitDefinition("ERRIE", 25, 1),
|
||||
RegisterBitDefinition("RD_ERRIE", 26, 1),
|
||||
RegisterBitDefinition("OBL_LAUNCH", 27, 1),
|
||||
RegisterBitDefinition("_", 28, 2),
|
||||
RegisterBitDefinition("OPT_LOCK", 30, 1),
|
||||
RegisterBitDefinition("LOCK", 31, 1),
|
||||
],
|
||||
)
|
||||
|
||||
# Flash status register
|
||||
FLASH_SR = Register32(
|
||||
FLASH_BASE + 0x10,
|
||||
[
|
||||
RegisterBitDefinition("EOP", 0, 1),
|
||||
RegisterBitDefinition("OP_ERR", 1, 1),
|
||||
RegisterBitDefinition("_", 2, 1),
|
||||
RegisterBitDefinition("PROG_ERR", 3, 1),
|
||||
RegisterBitDefinition("WRP_ERR", 4, 1),
|
||||
RegisterBitDefinition("PGA_ERR", 5, 1),
|
||||
RegisterBitDefinition("SIZE_ERR", 6, 1),
|
||||
RegisterBitDefinition("PGS_ERR", 7, 1),
|
||||
RegisterBitDefinition("MISS_ERR", 8, 1),
|
||||
RegisterBitDefinition("FAST_ERR", 9, 1),
|
||||
RegisterBitDefinition("_", 10, 3),
|
||||
RegisterBitDefinition("OPTNV", 13, 1),
|
||||
RegisterBitDefinition("RD_ERR", 14, 1),
|
||||
RegisterBitDefinition("OPTV_ERR", 15, 1),
|
||||
RegisterBitDefinition("BSY", 16, 1),
|
||||
RegisterBitDefinition("_", 17, 1),
|
||||
RegisterBitDefinition("CFGBSY", 18, 1),
|
||||
RegisterBitDefinition("PESD", 19, 1),
|
||||
RegisterBitDefinition("_", 20, 12),
|
||||
],
|
||||
)
|
||||
|
||||
# Option byte registers
|
||||
FLASH_OPTR = FLASH_BASE + 0x20
|
||||
FLASH_PCROP1ASR = FLASH_BASE + 0x24
|
||||
FLASH_PCROP1AER = FLASH_BASE + 0x28
|
||||
FLASH_WRP1AR = FLASH_BASE + 0x2C
|
||||
FLASH_WRP1BR = FLASH_BASE + 0x30
|
||||
FLASH_PCROP1BSR = FLASH_BASE + 0x34
|
||||
FLASH_PCROP1BER = FLASH_BASE + 0x38
|
||||
FLASH_IPCCBR = FLASH_BASE + 0x3C
|
||||
|
||||
# Map option byte dword index to register address
|
||||
OPTION_BYTE_MAP_TO_REGS = {
|
||||
0: FLASH_OPTR,
|
||||
1: FLASH_PCROP1ASR,
|
||||
2: FLASH_PCROP1AER,
|
||||
3: FLASH_WRP1AR,
|
||||
4: FLASH_WRP1BR,
|
||||
5: FLASH_PCROP1BSR,
|
||||
6: FLASH_PCROP1BER,
|
||||
7: None, # Invalid Options
|
||||
8: None, # Invalid Options
|
||||
9: None, # Invalid Options
|
||||
10: None, # Invalid Options
|
||||
11: None, # Invalid Options
|
||||
12: None, # Invalid Options
|
||||
13: FLASH_IPCCBR,
|
||||
14: None, # Secure Flash
|
||||
15: None, # Core 2 Options
|
||||
}
|
||||
|
||||
def __init__(self):
|
||||
self.logger = logging.getLogger("STM32WB55")
|
||||
|
||||
class RunMode(Enum):
|
||||
Init = "init"
|
||||
Run = "run"
|
||||
Halt = "halt"
|
||||
|
||||
def reset(self, oocd: OpenOCD, mode: RunMode):
|
||||
self.logger.debug("Resetting device")
|
||||
oocd.send_tcl(f"reset {mode.value}")
|
||||
|
||||
def clear_flash_errors(self, oocd: OpenOCD):
|
||||
# Errata 2.2.9: Flash OPTVERR flag is always set after system reset
|
||||
# And also clear all other flash error flags
|
||||
self.logger.debug(f"Resetting flash errors")
|
||||
self.FLASH_SR.load(oocd)
|
||||
self.FLASH_SR.OP_ERR = 1
|
||||
self.FLASH_SR.PROG_ERR = 1
|
||||
self.FLASH_SR.WRP_ERR = 1
|
||||
self.FLASH_SR.PGA_ERR = 1
|
||||
self.FLASH_SR.SIZE_ERR = 1
|
||||
self.FLASH_SR.PGS_ERR = 1
|
||||
self.FLASH_SR.MISS_ERR = 1
|
||||
self.FLASH_SR.FAST_ERR = 1
|
||||
self.FLASH_SR.RD_ERR = 1
|
||||
self.FLASH_SR.OPTV_ERR = 1
|
||||
self.FLASH_SR.store(oocd)
|
||||
|
||||
def flash_unlock(self, oocd: OpenOCD):
|
||||
# Check if flash is already unlocked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.LOCK == 0:
|
||||
self.logger.debug("Flash is already unlocked")
|
||||
return
|
||||
|
||||
# Unlock flash
|
||||
self.logger.debug("Unlocking Flash")
|
||||
oocd.write_32(self.FLASH_KEYR, self.FLASH_UNLOCK_KEY1)
|
||||
oocd.write_32(self.FLASH_KEYR, self.FLASH_UNLOCK_KEY2)
|
||||
|
||||
# Check if flash is unlocked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.LOCK == 0:
|
||||
self.logger.debug("Flash unlocked")
|
||||
else:
|
||||
self.logger.error("Flash unlock failed")
|
||||
raise Exception("Flash unlock failed")
|
||||
|
||||
def option_bytes_unlock(self, oocd: OpenOCD):
|
||||
# Check if options is already unlocked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.OPT_LOCK == 0:
|
||||
self.logger.debug("Options is already unlocked")
|
||||
return
|
||||
|
||||
# Unlock options
|
||||
self.logger.debug("Unlocking Options")
|
||||
oocd.write_32(self.FLASH_OPTKEYR, self.FLASH_UNLOCK_OPTKEY1)
|
||||
oocd.write_32(self.FLASH_OPTKEYR, self.FLASH_UNLOCK_OPTKEY2)
|
||||
|
||||
# Check if options is unlocked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.OPT_LOCK == 0:
|
||||
self.logger.debug("Options unlocked")
|
||||
else:
|
||||
self.logger.error("Options unlock failed")
|
||||
raise Exception("Options unlock failed")
|
||||
|
||||
def option_bytes_lock(self, oocd: OpenOCD):
|
||||
# Check if options is already locked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.OPT_LOCK == 1:
|
||||
self.logger.debug("Options is already locked")
|
||||
return
|
||||
|
||||
# Lock options
|
||||
self.logger.debug("Locking Options")
|
||||
self.FLASH_CR.OPT_LOCK = 1
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
# Check if options is locked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.OPT_LOCK == 1:
|
||||
self.logger.debug("Options locked")
|
||||
else:
|
||||
self.logger.error("Options lock failed")
|
||||
raise Exception("Options lock failed")
|
||||
|
||||
def flash_lock(self, oocd: OpenOCD):
|
||||
# Check if flash is already locked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.LOCK == 1:
|
||||
self.logger.debug("Flash is already locked")
|
||||
return
|
||||
|
||||
# Lock flash
|
||||
self.logger.debug("Locking Flash")
|
||||
self.FLASH_CR.LOCK = 1
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
# Check if flash is locked
|
||||
self.FLASH_CR.load(oocd)
|
||||
if self.FLASH_CR.LOCK == 1:
|
||||
self.logger.debug("Flash locked")
|
||||
else:
|
||||
self.logger.error("Flash lock failed")
|
||||
raise Exception("Flash lock failed")
|
||||
|
||||
def option_bytes_apply(self, oocd: OpenOCD):
|
||||
self.logger.debug(f"Applying Option Bytes")
|
||||
|
||||
self.FLASH_CR.load(oocd)
|
||||
self.FLASH_CR.OPT_STRT = 1
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
# Wait for Option Bytes to be applied
|
||||
self.flash_wait_for_operation(oocd)
|
||||
|
||||
def option_bytes_load(self, oocd: OpenOCD):
|
||||
self.logger.debug(f"Loading Option Bytes")
|
||||
self.FLASH_CR.load(oocd)
|
||||
self.FLASH_CR.OBL_LAUNCH = 1
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
def option_bytes_id_to_address(self, id: int) -> int:
|
||||
# Check if this option byte (dword) is mapped to a register
|
||||
device_reg_addr = self.OPTION_BYTE_MAP_TO_REGS.get(id, None)
|
||||
if device_reg_addr is None:
|
||||
raise Exception(f"Option Byte {id} is not mapped to a register")
|
||||
|
||||
return device_reg_addr
|
||||
|
||||
def flash_wait_for_operation(self, oocd: OpenOCD):
|
||||
# Wait for flash operation to complete
|
||||
# TODO: timeout
|
||||
while True:
|
||||
self.FLASH_SR.load(oocd)
|
||||
if self.FLASH_SR.BSY == 0:
|
||||
break
|
||||
|
||||
def flash_dump_status_register(self, oocd: OpenOCD):
|
||||
self.FLASH_SR.load(oocd)
|
||||
self.logger.info(f"FLASH_SR: {self.FLASH_SR.get():08x}")
|
||||
if self.FLASH_SR.EOP:
|
||||
self.logger.info(" End of operation")
|
||||
if self.FLASH_SR.OP_ERR:
|
||||
self.logger.error(" Operation error")
|
||||
if self.FLASH_SR.PROG_ERR:
|
||||
self.logger.error(" Programming error")
|
||||
if self.FLASH_SR.WRP_ERR:
|
||||
self.logger.error(" Write protection error")
|
||||
if self.FLASH_SR.PGA_ERR:
|
||||
self.logger.error(" Programming alignment error")
|
||||
if self.FLASH_SR.SIZE_ERR:
|
||||
self.logger.error(" Size error")
|
||||
if self.FLASH_SR.PGS_ERR:
|
||||
self.logger.error(" Programming sequence error")
|
||||
if self.FLASH_SR.MISS_ERR:
|
||||
self.logger.error(" Fast programming data miss error")
|
||||
if self.FLASH_SR.FAST_ERR:
|
||||
self.logger.error(" Fast programming error")
|
||||
if self.FLASH_SR.OPTNV:
|
||||
self.logger.info(" User option OPTVAL indication")
|
||||
if self.FLASH_SR.RD_ERR:
|
||||
self.logger.info(" PCROP read error")
|
||||
if self.FLASH_SR.OPTV_ERR:
|
||||
self.logger.info(" Option and Engineering bits loading validity error")
|
||||
if self.FLASH_SR.BSY:
|
||||
self.logger.info(" Busy")
|
||||
if self.FLASH_SR.CFGBSY:
|
||||
self.logger.info(" Programming or erase configuration busy")
|
||||
if self.FLASH_SR.PESD:
|
||||
self.logger.info(" Programming / erase operation suspended.")
|
||||
|
||||
def write_flash_64(self, oocd: OpenOCD, address: int, word_1: int, word_2: int):
|
||||
self.logger.debug(f"Writing flash at address {address:08x}")
|
||||
|
||||
if address % 8 != 0:
|
||||
self.logger.error("Address must be aligned to 8 bytes")
|
||||
raise Exception("Address must be aligned to 8 bytes")
|
||||
|
||||
if word_1 == oocd.read_32(address) and word_2 == oocd.read_32(address + 4):
|
||||
self.logger.debug("Data is already programmed")
|
||||
return
|
||||
|
||||
self.flash_unlock(oocd)
|
||||
|
||||
# Check that no flash main memory operation is ongoing by checking the BSY bit
|
||||
self.FLASH_SR.load(oocd)
|
||||
if self.FLASH_SR.BSY:
|
||||
self.logger.error("Flash is busy")
|
||||
self.flash_dump_status_register(oocd)
|
||||
raise Exception("Flash is busy")
|
||||
|
||||
# Enable end of operation interrupts and error interrupts
|
||||
self.FLASH_CR.load(oocd)
|
||||
self.FLASH_CR.EOPIE = 1
|
||||
self.FLASH_CR.ERRIE = 1
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
# Check that flash memory program and erase operations are allowed
|
||||
if self.FLASH_SR.PESD:
|
||||
self.logger.error("Flash operations are not allowed")
|
||||
self.flash_dump_status_register(oocd)
|
||||
raise Exception("Flash operations are not allowed")
|
||||
|
||||
# Check and clear all error programming flags due to a previous programming.
|
||||
self.clear_flash_errors(oocd)
|
||||
|
||||
# Set the PG bit in the Flash memory control register (FLASH_CR)
|
||||
self.FLASH_CR.load(oocd)
|
||||
self.FLASH_CR.PG = 1
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
# Perform the data write operation at the desired memory address, only double word (64 bits) can be programmed.
|
||||
# Write the first word
|
||||
oocd.send_tcl(f"mww 0x{address:08x} 0x{word_1:08x}")
|
||||
# Write the second word
|
||||
oocd.send_tcl(f"mww 0x{(address + 4):08x} 0x{word_2:08x}")
|
||||
|
||||
# Wait for the BSY bit to be cleared
|
||||
self.flash_wait_for_operation(oocd)
|
||||
|
||||
# Check that EOP flag is set in the FLASH_SR register
|
||||
self.FLASH_SR.load(oocd)
|
||||
if not self.FLASH_SR.EOP:
|
||||
self.logger.error("Flash operation failed")
|
||||
self.flash_dump_status_register(oocd)
|
||||
raise Exception("Flash operation failed")
|
||||
|
||||
# Clear the EOP flag
|
||||
self.FLASH_SR.load(oocd)
|
||||
self.FLASH_SR.EOP = 1
|
||||
self.FLASH_SR.store(oocd)
|
||||
|
||||
# Clear the PG bit in the FLASH_CR register
|
||||
self.FLASH_CR.load(oocd)
|
||||
self.FLASH_CR.PG = 0
|
||||
self.FLASH_CR.store(oocd)
|
||||
|
||||
self.flash_lock(oocd)
|
||||
@ -1,69 +1,79 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
import logging
|
||||
import argparse
|
||||
import subprocess
|
||||
import sys
|
||||
import os
|
||||
from os import path
|
||||
|
||||
from flipper.app import App
|
||||
from flipper.cube import CubeProgrammer
|
||||
from flipper.utils.programmer_openocd import OpenOCDProgrammer
|
||||
|
||||
|
||||
class Main(App):
|
||||
def init(self):
|
||||
# Subparsers
|
||||
self.subparsers = self.parser.add_subparsers(help="sub-command help")
|
||||
|
||||
# Check command
|
||||
self.parser_check = self.subparsers.add_parser(
|
||||
"check", help="Check Option Bytes"
|
||||
)
|
||||
self._addArgsSWD(self.parser_check)
|
||||
self._add_args(self.parser_check)
|
||||
self.parser_check.set_defaults(func=self.check)
|
||||
|
||||
# Set command
|
||||
self.parser_set = self.subparsers.add_parser("set", help="Set Option Bytes")
|
||||
self._addArgsSWD(self.parser_set)
|
||||
self._add_args(self.parser_set)
|
||||
self.parser_set.set_defaults(func=self.set)
|
||||
# OB
|
||||
self.ob = {}
|
||||
|
||||
def _addArgsSWD(self, parser):
|
||||
def _add_args(self, parser):
|
||||
parser.add_argument(
|
||||
"--port", type=str, help="Port to connect: swd or usb1", default="swd"
|
||||
"--port-base", type=int, help="OpenOCD port base", default=3333
|
||||
)
|
||||
parser.add_argument(
|
||||
"--interface",
|
||||
type=str,
|
||||
help="OpenOCD interface",
|
||||
default="interface/cmsis-dap.cfg",
|
||||
)
|
||||
parser.add_argument(
|
||||
"--serial", type=str, help="OpenOCD interface serial number"
|
||||
)
|
||||
parser.add_argument(
|
||||
"--ob-path",
|
||||
type=str,
|
||||
help="Option bytes file",
|
||||
default=path.join(path.dirname(__file__), "ob.data"),
|
||||
)
|
||||
parser.add_argument("--serial", type=str, help="ST-Link Serial Number")
|
||||
|
||||
def _getCubeParams(self):
|
||||
return {
|
||||
"port": self.args.port,
|
||||
"serial": self.args.serial,
|
||||
}
|
||||
|
||||
def before(self):
|
||||
self.logger.info(f"Loading Option Bytes data")
|
||||
file_path = os.path.join(os.path.dirname(sys.argv[0]), "ob.data")
|
||||
with open(file_path, "r") as file:
|
||||
for line in file.readlines():
|
||||
k, v, o = line.split(":")
|
||||
self.ob[k.strip()] = v.strip(), o.strip()
|
||||
|
||||
def check(self):
|
||||
self.logger.info(f"Checking Option Bytes")
|
||||
cp = CubeProgrammer(self._getCubeParams())
|
||||
if cp.checkOptionBytes(self.ob):
|
||||
self.logger.info(f"OB Check OK")
|
||||
return 0
|
||||
else:
|
||||
self.logger.error(f"OB Check FAIL")
|
||||
return 255
|
||||
|
||||
# OpenOCD
|
||||
openocd = OpenOCDProgrammer(
|
||||
self.args.interface,
|
||||
self.args.port_base,
|
||||
self.args.serial,
|
||||
)
|
||||
|
||||
return_code = 1
|
||||
if openocd.option_bytes_validate(self.args.ob_path):
|
||||
return_code = 0
|
||||
|
||||
return return_code
|
||||
|
||||
def set(self):
|
||||
self.logger.info(f"Setting Option Bytes")
|
||||
cp = CubeProgrammer(self._getCubeParams())
|
||||
if cp.setOptionBytes(self.ob):
|
||||
self.logger.info(f"OB Set OK")
|
||||
return 0
|
||||
else:
|
||||
self.logger.error(f"OB Set FAIL")
|
||||
return 255
|
||||
|
||||
# OpenOCD
|
||||
openocd = OpenOCDProgrammer(
|
||||
self.args.interface,
|
||||
self.args.port_base,
|
||||
self.args.serial,
|
||||
)
|
||||
|
||||
return_code = 1
|
||||
if openocd.option_bytes_set(self.args.ob_path):
|
||||
return_code = 0
|
||||
|
||||
return return_code
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
||||
@ -35,6 +35,7 @@ OTP_DISPLAYS = {
|
||||
|
||||
from flipper.app import App
|
||||
from flipper.cube import CubeProgrammer
|
||||
from flipper.utils.programmer_openocd import OpenOCDProgrammer
|
||||
|
||||
|
||||
class Main(App):
|
||||
@ -53,21 +54,21 @@ class Main(App):
|
||||
self.parser_flash_first = self.subparsers.add_parser(
|
||||
"flash_first", help="Flash first block of OTP to device"
|
||||
)
|
||||
self._addArgsSWD(self.parser_flash_first)
|
||||
self._addArgsOpenOCD(self.parser_flash_first)
|
||||
self._addFirstArgs(self.parser_flash_first)
|
||||
self.parser_flash_first.set_defaults(func=self.flash_first)
|
||||
# Flash Second
|
||||
self.parser_flash_second = self.subparsers.add_parser(
|
||||
"flash_second", help="Flash second block of OTP to device"
|
||||
)
|
||||
self._addArgsSWD(self.parser_flash_second)
|
||||
self._addArgsOpenOCD(self.parser_flash_second)
|
||||
self._addSecondArgs(self.parser_flash_second)
|
||||
self.parser_flash_second.set_defaults(func=self.flash_second)
|
||||
# Flash All
|
||||
self.parser_flash_all = self.subparsers.add_parser(
|
||||
"flash_all", help="Flash OTP to device"
|
||||
)
|
||||
self._addArgsSWD(self.parser_flash_all)
|
||||
self._addArgsOpenOCD(self.parser_flash_all)
|
||||
self._addFirstArgs(self.parser_flash_all)
|
||||
self._addSecondArgs(self.parser_flash_all)
|
||||
self.parser_flash_all.set_defaults(func=self.flash_all)
|
||||
@ -75,17 +76,19 @@ class Main(App):
|
||||
self.logger = logging.getLogger()
|
||||
self.timestamp = datetime.datetime.now().timestamp()
|
||||
|
||||
def _addArgsSWD(self, parser):
|
||||
def _addArgsOpenOCD(self, parser):
|
||||
parser.add_argument(
|
||||
"--port", type=str, help="Port to connect: swd or usb1", default="swd"
|
||||
"--port-base", type=int, help="OpenOCD port base", default=3333
|
||||
)
|
||||
parser.add_argument(
|
||||
"--interface",
|
||||
type=str,
|
||||
help="OpenOCD interface",
|
||||
default="interface/cmsis-dap.cfg",
|
||||
)
|
||||
parser.add_argument(
|
||||
"--serial", type=str, help="OpenOCD interface serial number"
|
||||
)
|
||||
parser.add_argument("--serial", type=str, help="ST-Link Serial Number")
|
||||
|
||||
def _getCubeParams(self):
|
||||
return {
|
||||
"port": self.args.port,
|
||||
"serial": self.args.serial,
|
||||
}
|
||||
|
||||
def _addFirstArgs(self, parser):
|
||||
parser.add_argument("--version", type=int, help="Version", required=True)
|
||||
@ -173,14 +176,22 @@ class Main(App):
|
||||
file.write(self._packFirst())
|
||||
|
||||
self.logger.info(f"Flashing OTP")
|
||||
cp = CubeProgrammer(self._getCubeParams())
|
||||
cp.flashBin("0x1FFF7000", filename)
|
||||
cp.resetTarget()
|
||||
|
||||
openocd = OpenOCDProgrammer(
|
||||
self.args.interface,
|
||||
self.args.port_base,
|
||||
self.args.serial,
|
||||
)
|
||||
|
||||
if not openocd.otp_write(0x1FFF7000, filename):
|
||||
raise Exception("Failed to flash OTP")
|
||||
|
||||
self.logger.info(f"Flashed Successfully")
|
||||
os.remove(filename)
|
||||
except Exception as e:
|
||||
self.logger.exception(e)
|
||||
return 1
|
||||
finally:
|
||||
os.remove(filename)
|
||||
|
||||
return 0
|
||||
|
||||
@ -197,14 +208,22 @@ class Main(App):
|
||||
file.write(self._packSecond())
|
||||
|
||||
self.logger.info(f"Flashing OTP")
|
||||
cp = CubeProgrammer(self._getCubeParams())
|
||||
cp.flashBin("0x1FFF7010", filename)
|
||||
cp.resetTarget()
|
||||
|
||||
openocd = OpenOCDProgrammer(
|
||||
self.args.interface,
|
||||
self.args.port_base,
|
||||
self.args.serial,
|
||||
)
|
||||
|
||||
if not openocd.otp_write(0x1FFF7010, filename):
|
||||
raise Exception("Failed to flash OTP")
|
||||
|
||||
self.logger.info(f"Flashed Successfully")
|
||||
os.remove(filename)
|
||||
except Exception as e:
|
||||
self.logger.exception(e)
|
||||
return 1
|
||||
finally:
|
||||
os.remove(filename)
|
||||
|
||||
return 0
|
||||
|
||||
@ -223,14 +242,22 @@ class Main(App):
|
||||
file.write(self._packSecond())
|
||||
|
||||
self.logger.info(f"Flashing OTP")
|
||||
cp = CubeProgrammer(self._getCubeParams())
|
||||
cp.flashBin("0x1FFF7000", filename)
|
||||
cp.resetTarget()
|
||||
|
||||
openocd = OpenOCDProgrammer(
|
||||
self.args.interface,
|
||||
self.args.port_base,
|
||||
self.args.serial,
|
||||
)
|
||||
|
||||
if not openocd.otp_write(0x1FFF7000, filename):
|
||||
raise Exception("Failed to flash OTP")
|
||||
|
||||
self.logger.info(f"Flashed Successfully")
|
||||
os.remove(filename)
|
||||
except Exception as e:
|
||||
self.logger.exception(e)
|
||||
return 1
|
||||
finally:
|
||||
os.remove(filename)
|
||||
|
||||
return 0
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user