8fc161f820
On nRF54H and nRF92, booting certain cores requires programming a UICR, which is normally generated using nrf-regtool. This should be considered an optional dependency, because we do not wish to force non-Nordic users to install it just to work with Zephyr, or just for build-only tests. When nrf-regtool is not installed, a CMake warning will be displayed, but people ignore warnings all the time. As the last line of defense, check for missing UICR in the nrfutil flash runner, to prevent our users from unintentionally programming unbootable firmware. Show a fatal error specifically if CONFIG_NRF_REGTOOL_GENERATE_UICR=y, yet no UICR exists. Signed-off-by: Grzegorz Swiderski <grzegorz.swiderski@nordicsemi.no>
561 lines
22 KiB
Python
561 lines
22 KiB
Python
# Copyright (c) 2017 Linaro Limited.
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# Copyright (c) 2023 Nordic Semiconductor ASA.
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#
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# SPDX-License-Identifier: Apache-2.0
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'''Runner base class for flashing with nrf tools.'''
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import abc
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from collections import deque
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import functools
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import os
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from pathlib import Path
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import shlex
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import subprocess
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import sys
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from re import fullmatch, escape
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from zephyr_ext_common import ZEPHYR_BASE
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sys.path.append(os.fspath(Path(__file__).parent.parent.parent))
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import zephyr_module
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from runners.core import ZephyrBinaryRunner, RunnerCaps
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try:
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from intelhex import IntelHex
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except ImportError:
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IntelHex = None
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ErrNotAvailableBecauseProtection = 24
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ErrVerify = 25
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UICR_RANGES = {
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'NRF53_FAMILY': {
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'NRFDL_DEVICE_CORE_APPLICATION': (0x00FF8000, 0x00FF8800),
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'NRFDL_DEVICE_CORE_NETWORK': (0x01FF8000, 0x01FF8800),
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},
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'NRF54H_FAMILY': {
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'NRFDL_DEVICE_CORE_APPLICATION': (0x0FFF8000, 0x0FFF8800),
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'NRFDL_DEVICE_CORE_NETWORK': (0x0FFFA000, 0x0FFFA800),
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},
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'NRF91_FAMILY': {
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'NRFDL_DEVICE_CORE_APPLICATION': (0x00FF8000, 0x00FF8800),
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},
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'NRF92_FAMILY': {
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'NRFDL_DEVICE_CORE_APPLICATION': (0x0FFF8000, 0x0FFF8800),
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'NRFDL_DEVICE_CORE_NETWORK': (0x0FFFA000, 0x0FFFA800),
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},
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}
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# Relative to the root of the hal_nordic module
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SUIT_STARTER_PATH = Path('zephyr/blobs/suit/bin/suit_manifest_starter.hex')
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@functools.cache
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def _get_suit_starter():
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path = None
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modules = zephyr_module.parse_modules(ZEPHYR_BASE)
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for m in modules:
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if 'hal_nordic' in m.meta.get('name'):
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path = Path(m.project)
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break
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if not path:
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raise RuntimeError("hal_nordic project missing in the manifest")
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suit_starter = path / SUIT_STARTER_PATH
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if not suit_starter.exists():
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raise RuntimeError("Unable to find suit manifest starter file, "
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"please make sure to run \'west blobs fetch "
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"hal_nordic\'")
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return str(suit_starter.resolve())
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class NrfBinaryRunner(ZephyrBinaryRunner):
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'''Runner front-end base class for nrf tools.'''
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def __init__(self, cfg, family, softreset, dev_id, erase=False,
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reset=True, tool_opt=[], force=False, recover=False):
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super().__init__(cfg)
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self.hex_ = cfg.hex_file
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if family and not family.endswith('_FAMILY'):
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family = f'{family}_FAMILY'
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self.family = family
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self.softreset = softreset
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self.dev_id = dev_id
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self.erase = bool(erase)
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self.reset = bool(reset)
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self.force = force
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self.recover = bool(recover)
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# Only applicable for nrfutil
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self.suit_starter = False
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self.tool_opt = []
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for opts in [shlex.split(opt) for opt in tool_opt]:
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self.tool_opt += opts
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@classmethod
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def capabilities(cls):
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return RunnerCaps(commands={'flash'}, dev_id=True, erase=True,
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reset=True, tool_opt=True)
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@classmethod
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def dev_id_help(cls) -> str:
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return '''Device identifier. Use it to select the J-Link Serial Number
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of the device connected over USB. '*' matches one or more
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characters/digits'''
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@classmethod
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def do_add_parser(cls, parser):
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parser.add_argument('--nrf-family',
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choices=['NRF51', 'NRF52', 'NRF53', 'NRF54L',
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'NRF54H', 'NRF91', 'NRF92'],
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help='''MCU family; still accepted for
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compatibility only''')
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parser.add_argument('--softreset', required=False,
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action='store_true',
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help='use reset instead of pinreset')
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parser.add_argument('--snr', required=False, dest='dev_id',
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help='obsolete synonym for -i/--dev-id')
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parser.add_argument('--force', required=False,
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action='store_true',
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help='Flash even if the result cannot be guaranteed.')
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parser.add_argument('--recover', required=False,
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action='store_true',
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help='''erase all user available non-volatile
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memory and disable read back protection before
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flashing (erases flash for both cores on nRF53)''')
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parser.set_defaults(reset=True)
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@classmethod
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def args_from_previous_runner(cls, previous_runner, args):
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# Propagate the chosen device ID to next runner
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if args.dev_id is None:
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args.dev_id = previous_runner.dev_id
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def ensure_snr(self):
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if not self.dev_id or "*" in self.dev_id:
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self.dev_id = self.get_board_snr(self.dev_id or "*")
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self.dev_id = self.dev_id.lstrip("0")
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@abc.abstractmethod
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def do_get_boards(self):
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''' Return an array of Segger SNRs '''
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def get_boards(self):
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snrs = self.do_get_boards()
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if not snrs:
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raise RuntimeError('Unable to find a board; '
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'is the board connected?')
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return snrs
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@staticmethod
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def verify_snr(snr):
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if snr == '0':
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raise RuntimeError('The Segger SNR obtained is 0; '
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'is a debugger already connected?')
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def get_board_snr(self, glob):
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# Use nrfjprog or nrfutil to discover connected boards.
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#
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# If there's exactly one board connected, it's safe to assume
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# the user wants that one. Otherwise, bail unless there are
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# multiple boards and we are connected to a terminal, in which
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# case use print() and input() to ask what the user wants.
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re_glob = escape(glob).replace(r"\*", ".+")
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snrs = [snr for snr in self.get_boards() if fullmatch(re_glob, snr)]
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if len(snrs) == 0:
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raise RuntimeError(
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'There are no boards connected{}.'.format(
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f" matching '{glob}'" if glob != "*" else ""))
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elif len(snrs) == 1:
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board_snr = snrs[0]
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self.verify_snr(board_snr)
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print("Using board {}".format(board_snr))
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return board_snr
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elif not sys.stdin.isatty():
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raise RuntimeError(
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f'refusing to guess which of {len(snrs)} '
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'connected boards to use. (Interactive prompts '
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'disabled since standard input is not a terminal.) '
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'Please specify a serial number on the command line.')
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snrs = sorted(snrs)
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print('There are multiple boards connected{}.'.format(
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f" matching '{glob}'" if glob != "*" else ""))
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for i, snr in enumerate(snrs, 1):
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print('{}. {}'.format(i, snr))
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p = 'Please select one with desired serial number (1-{}): '.format(
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len(snrs))
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while True:
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try:
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value = input(p)
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except EOFError:
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sys.exit(0)
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try:
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value = int(value)
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except ValueError:
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continue
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if 1 <= value <= len(snrs):
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break
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return snrs[value - 1]
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def ensure_family(self):
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# Ensure self.family is set.
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if self.family is not None:
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return
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if self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF51X'):
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self.family = 'NRF51_FAMILY'
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elif self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF52X'):
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self.family = 'NRF52_FAMILY'
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elif self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF53X'):
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self.family = 'NRF53_FAMILY'
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elif self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF54LX'):
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self.family = 'NRF54L_FAMILY'
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elif self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF54HX'):
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self.family = 'NRF54H_FAMILY'
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elif self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF91X'):
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self.family = 'NRF91_FAMILY'
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elif self.build_conf.getboolean('CONFIG_SOC_SERIES_NRF92X'):
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self.family = 'NRF92_FAMILY'
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else:
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raise RuntimeError(f'unknown nRF; update {__file__}')
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def hex_refers_region(self, region_start, region_end):
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for segment_start, _ in self.hex_contents.segments():
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if region_start <= segment_start <= region_end:
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return True
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return False
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def hex_get_uicrs(self):
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hex_uicrs = {}
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if self.family in UICR_RANGES:
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for uicr_core, uicr_range in UICR_RANGES[self.family].items():
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if self.hex_refers_region(*uicr_range):
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hex_uicrs[uicr_core] = uicr_range
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return hex_uicrs
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def flush(self, force=False):
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try:
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self.flush_ops(force=force)
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except subprocess.CalledProcessError as cpe:
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if cpe.returncode == ErrNotAvailableBecauseProtection:
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if self.family == 'NRF53_FAMILY':
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family_help = (
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' Note: your target is an nRF53; all flash memory '
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'for both the network and application cores will be '
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'erased prior to reflashing.')
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else:
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family_help = (
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' Note: this will recover and erase all flash memory '
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'prior to reflashing.')
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self.logger.error(
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'Flashing failed because the target '
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'must be recovered.\n'
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' To fix, run "west flash --recover" instead.\n' +
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family_help)
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if cpe.returncode == ErrVerify:
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# If there are data in the UICR region it is likely that the
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# verify failed du to the UICR not been erased before, so giving
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# a warning here will hopefully enhance UX.
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if self.hex_get_uicrs():
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self.logger.warning(
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'The hex file contains data placed in the UICR, which '
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'may require a full erase before reprogramming. Run '
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'west flash again with --erase, or --recover.')
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raise
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def recover_target(self):
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if self.family in ('NRF53_FAMILY', 'NRF54H_FAMILY', 'NRF92_FAMILY'):
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self.logger.info(
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'Recovering and erasing flash memory for both the network '
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'and application cores.')
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else:
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self.logger.info('Recovering and erasing all flash memory.')
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# The network core of the nRF53 needs to be recovered first due to the
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# fact that recovering it erases the flash of *both* cores. Since a
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# recover operation unlocks the core and then flashes a small image that
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# keeps the debug access port open, recovering the network core last
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# would result in that small image being deleted from the app core.
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# In the case of the 54H, the order is indifferent.
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if self.family in ('NRF53_FAMILY', 'NRF54H_FAMILY', 'NRF92_FAMILY'):
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self.exec_op('recover', core='NRFDL_DEVICE_CORE_NETWORK')
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self.exec_op('recover')
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def program_hex(self):
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# Get the command use to actually program self.hex_.
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self.logger.info('Flashing file: {}'.format(self.hex_))
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# What type of erase/core arguments should we pass to the tool?
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core = None
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if self.family in ('NRF54H_FAMILY', 'NRF92_FAMILY'):
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erase_arg = 'ERASE_NONE'
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cpuapp = (
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self.build_conf.getboolean('CONFIG_SOC_NRF54H20_CPUAPP') or
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self.build_conf.getboolean('CONFIG_SOC_NRF54H20_ENGB_CPUAPP') or
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self.build_conf.getboolean('CONFIG_SOC_NRF9280_CPUAPP')
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)
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cpurad = (
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self.build_conf.getboolean('CONFIG_SOC_NRF54H20_CPURAD') or
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self.build_conf.getboolean('CONFIG_SOC_NRF54H20_ENGB_CPURAD') or
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self.build_conf.getboolean('CONFIG_SOC_NRF9280_CPURAD')
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)
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generated_uicr = self.build_conf.getboolean('CONFIG_NRF_REGTOOL_GENERATE_UICR')
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if cpuapp:
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core = 'NRFDL_DEVICE_CORE_APPLICATION'
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elif cpurad:
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core = 'NRFDL_DEVICE_CORE_NETWORK'
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if generated_uicr and not self.hex_get_uicrs().get(core):
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raise RuntimeError(
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f"Expected a UICR to be contained in: {self.hex_}\n"
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"Please ensure that the correct version of nrf-regtool is "
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"installed, then run 'west build --cmake' to try again."
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)
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if self.erase:
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self.exec_op('erase', core='NRFDL_DEVICE_CORE_APPLICATION')
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self.exec_op('erase', core='NRFDL_DEVICE_CORE_NETWORK')
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# Manage SUIT artifacts.
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# This logic should be executed only once per build.
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# Use sysbuild board qualifiers to select the context, with which the artifacts will be programmed.
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if self.build_conf.get('CONFIG_BOARD_QUALIFIERS') == self.sysbuild_conf.get('SB_CONFIG_BOARD_QUALIFIERS'):
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mpi_hex_dir = Path(os.path.join(self.cfg.build_dir, 'zephyr'))
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# Handle Manifest Provisioning Information
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if self.build_conf.getboolean('CONFIG_SUIT_MPI_GENERATE'):
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app_mpi_hex_file = os.fspath(
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mpi_hex_dir / self.build_conf.get('CONFIG_SUIT_MPI_APP_AREA_PATH'))
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rad_mpi_hex_file = os.fspath(
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mpi_hex_dir / self.build_conf.get('CONFIG_SUIT_MPI_RAD_AREA_PATH'))
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self.op_program(app_mpi_hex_file, 'ERASE_NONE', None, defer=True, core='NRFDL_DEVICE_CORE_APPLICATION')
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self.op_program(rad_mpi_hex_file, 'ERASE_NONE', None, defer=True, core='NRFDL_DEVICE_CORE_NETWORK')
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# Handle SUIT root manifest if application manifests are not used.
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# If an application firmware is built, the root envelope is merged with other application manifests
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# as well as the output HEX file.
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if not cpuapp and self.sysbuild_conf.get('SB_CONFIG_SUIT_ENVELOPE'):
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app_root_envelope_hex_file = os.fspath(
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mpi_hex_dir / 'suit_installed_envelopes_application_merged.hex')
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self.op_program(app_root_envelope_hex_file, 'ERASE_NONE', None, defer=True, core='NRFDL_DEVICE_CORE_APPLICATION')
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if not self.erase and generated_uicr:
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self.exec_op('erase', core=core, option={'chip_erase_mode': 'ERASE_UICR',
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'qspi_erase_mode': 'ERASE_NONE'})
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else:
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if self.erase:
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erase_arg = 'ERASE_ALL'
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else:
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if self.family == 'NRF52_FAMILY':
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erase_arg = 'ERASE_PAGES_INCLUDING_UICR'
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else:
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erase_arg = 'ERASE_PAGES'
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xip_ranges = {
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'NRF52_FAMILY': (0x12000000, 0x19FFFFFF),
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'NRF53_FAMILY': (0x10000000, 0x1FFFFFFF),
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}
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qspi_erase_opt = None
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if self.family in xip_ranges:
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xip_start, xip_end = xip_ranges[self.family]
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if self.hex_refers_region(xip_start, xip_end):
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qspi_erase_opt = 'ERASE_ALL'
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# What tool commands do we need to flash this target?
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if self.family == 'NRF53_FAMILY':
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# nRF53 requires special treatment due to the extra coprocessor.
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self.program_hex_nrf53(erase_arg, qspi_erase_opt)
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else:
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self.op_program(self.hex_, erase_arg, qspi_erase_opt, defer=True, core=core)
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self.flush(force=False)
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def program_hex_nrf53(self, erase_arg, qspi_erase_opt):
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# program_hex() helper for nRF53.
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# *********************** NOTE *******************************
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# self.hex_ can contain code for both the application core and
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# the network core.
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#
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# We can't assume, for example, that
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# CONFIG_SOC_NRF5340_CPUAPP=y means self.hex_ only contains
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# data for the app core's flash: the user can put arbitrary
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# addresses into one of the files in HEX_FILES_TO_MERGE.
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#
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# Therefore, on this family, we may need to generate two new
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# hex files, one for each core, and flash them individually
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# with the correct '--coprocessor' arguments.
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#
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# Kind of hacky, but it works, and the tools are not capable of
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# flashing to both cores at once. If self.hex_ only affects
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# one core's flash, then we skip the extra work to save time.
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# ************************************************************
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# Address range of the network coprocessor's flash. From nRF5340 OPS.
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# We should get this from DTS instead if multiple values are possible,
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# but this is fine for now.
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net_flash_start = 0x01000000
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net_flash_end = 0x0103FFFF
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# If there is nothing in the hex file for the network core,
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# only the application core is programmed.
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if not self.hex_refers_region(net_flash_start, net_flash_end):
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self.op_program(self.hex_, erase_arg, qspi_erase_opt, defer=True,
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core='NRFDL_DEVICE_CORE_APPLICATION')
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# If there is some content that addresses a region beyond the network
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# core flash range, two hex files are generated and the two cores
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# are programmed one by one.
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elif self.hex_contents.minaddr() < net_flash_start or \
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self.hex_contents.maxaddr() > net_flash_end:
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net_hex, app_hex = IntelHex(), IntelHex()
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for start, end in self.hex_contents.segments():
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if net_flash_start <= start <= net_flash_end:
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net_hex.merge(self.hex_contents[start:end])
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else:
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app_hex.merge(self.hex_contents[start:end])
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hex_path = Path(self.hex_)
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hex_dir, hex_name = hex_path.parent, hex_path.name
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net_hex_file = os.fspath(
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hex_dir / f'GENERATED_CP_NETWORK_{hex_name}')
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app_hex_file = os.fspath(
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hex_dir / f'GENERATED_CP_APPLICATION_{hex_name}')
|
|
|
|
self.logger.info(
|
|
f'{self.hex_} targets both nRF53 coprocessors; '
|
|
f'splitting it into: {net_hex_file} and {app_hex_file}')
|
|
|
|
net_hex.write_hex_file(net_hex_file)
|
|
app_hex.write_hex_file(app_hex_file)
|
|
|
|
self.op_program(net_hex_file, erase_arg, None, defer=True,
|
|
core='NRFDL_DEVICE_CORE_NETWORK')
|
|
self.op_program(app_hex_file, erase_arg, qspi_erase_opt, defer=True,
|
|
core='NRFDL_DEVICE_CORE_APPLICATION')
|
|
# Otherwise, only the network core is programmed.
|
|
else:
|
|
self.op_program(self.hex_, erase_arg, None, defer=True,
|
|
core='NRFDL_DEVICE_CORE_NETWORK')
|
|
|
|
def reset_target(self):
|
|
if self.family == 'NRF52_FAMILY' and not self.softreset:
|
|
self.exec_op('pinreset-enable')
|
|
|
|
if self.softreset:
|
|
self.exec_op('reset', option="RESET_SYSTEM")
|
|
else:
|
|
self.exec_op('reset', option="RESET_PIN")
|
|
|
|
@abc.abstractmethod
|
|
def do_require(self):
|
|
''' Ensure the tool is installed '''
|
|
|
|
def _check_suit_starter(self, op):
|
|
op = op['operation']
|
|
if op['type'] not in ('erase', 'recover', 'program'):
|
|
return None
|
|
elif op['type'] == 'program' and op['chip_erase_mode'] != "ERASE_UICR":
|
|
return None
|
|
|
|
file = _get_suit_starter()
|
|
self.logger.debug(f'suit starter: {file}')
|
|
|
|
return file
|
|
|
|
def op_program(self, hex_file, erase, qspi_erase, defer=False, core=None):
|
|
args = self._op_program(hex_file, erase, qspi_erase)
|
|
self.exec_op('program', defer, core, **args)
|
|
|
|
def _op_program(self, hex_file, erase, qspi_erase):
|
|
args = {'firmware': {'file': hex_file},
|
|
'chip_erase_mode': erase, 'verify': 'VERIFY_READ'}
|
|
if qspi_erase:
|
|
args['qspi_erase_mode'] = qspi_erase
|
|
|
|
return args
|
|
|
|
def exec_op(self, op, defer=False, core=None, **kwargs):
|
|
|
|
def _exec_op(op, defer=False, core=None, **kwargs):
|
|
_op = f'{op}'
|
|
op = {'operation': {'type': _op}}
|
|
if core:
|
|
op['core'] = core
|
|
op['operation'].update(kwargs)
|
|
self.logger.debug(f'defer: {defer} op: {op}')
|
|
if defer or not self.do_exec_op(op, force=False):
|
|
self.ops.append(op)
|
|
return op
|
|
|
|
_op = _exec_op(op, defer, core, **kwargs)
|
|
# Check if the suit manifest starter needs programming
|
|
if self.suit_starter and self.family == 'NRF54H_FAMILY':
|
|
file = self._check_suit_starter(_op)
|
|
if file:
|
|
args = self._op_program(file, 'ERASE_NONE', None)
|
|
_exec_op('program', defer, core, **args)
|
|
|
|
@abc.abstractmethod
|
|
def do_exec_op(self, op, force=False):
|
|
''' Execute an operation. Return True if executed, False if not.
|
|
Throws subprocess.CalledProcessError with the appropriate
|
|
returncode if a failure arises.'''
|
|
|
|
def flush_ops(self, force=True):
|
|
''' Execute any remaining ops in the self.ops array.
|
|
Throws subprocess.CalledProcessError with the appropriate
|
|
returncode if a failure arises.
|
|
Subclasses can override this method for special handling of
|
|
queued ops.'''
|
|
self.logger.debug('Flushing ops')
|
|
while self.ops:
|
|
self.do_exec_op(self.ops.popleft(), force)
|
|
|
|
def do_run(self, command, **kwargs):
|
|
self.do_require()
|
|
|
|
self.ensure_output('hex')
|
|
if IntelHex is None:
|
|
raise RuntimeError('Python dependency intelhex was missing; '
|
|
'see the getting started guide for details on '
|
|
'how to fix')
|
|
self.hex_contents = IntelHex()
|
|
try:
|
|
self.hex_contents.loadfile(self.hex_, format='hex')
|
|
except FileNotFoundError:
|
|
pass
|
|
|
|
self.ensure_snr()
|
|
self.ensure_family()
|
|
|
|
self.ops = deque()
|
|
|
|
if self.recover:
|
|
self.recover_target()
|
|
self.program_hex()
|
|
if self.reset:
|
|
self.reset_target()
|
|
# All done, now flush any outstanding ops
|
|
self.flush(force=True)
|
|
|
|
self.logger.info(f'Board with serial number {self.dev_id} '
|
|
'flashed successfully.')
|