esp-idf/tools/test_apps/security/secure_boot/conftest.py

194 lines
7.1 KiB
Python

# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
# pylint: disable=W0621 # redefined-outer-name
import os
import subprocess
import sys
import time
import pytest
import serial
from _pytest.fixtures import FixtureRequest
from _pytest.monkeypatch import MonkeyPatch
from pytest_embedded_idf.dut import IdfDut
from pytest_embedded_idf.serial import IdfSerial
from pytest_embedded_serial_esp.serial import EspSerial
efuse_reset_port = os.getenv('EFUSEPORT')
esp_port = os.getenv('ESPPORT')
# This is a custom Serial Class for the FPGA
class FpgaSerial(IdfSerial):
def __init__(self, *args, **kwargs) -> None: # type: ignore
super().__init__(*args, **kwargs)
self.efuse_reset_port = efuse_reset_port
if self.efuse_reset_port is None:
raise RuntimeError('EFUSEPORT not specified')
self.esp_port = esp_port
if self.esp_port is None:
raise RuntimeError('ESPPORT not specified')
@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
def bootloader_flash(self, bootloader_path: str) -> None:
"""
Flash bootloader.
:return: None
"""
offs = int(self.app.sdkconfig.get('BOOTLOADER_OFFSET_IN_FLASH', 0))
if subprocess.run(
f'{sys.executable} -m esptool --port {self.esp_port} --no-stub write_flash {str(offs)} {bootloader_path} --force'.split()
).returncode != 0:
raise RuntimeError('Flashing the bootloader binary failed')
@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
def partition_table_flash(self, partition_table_path: str) -> None:
"""
Flash Partition Table.
:return: None
"""
offs = int(self.app.flash_args['partition-table']['offset'], 16)
if subprocess.run(
f'{sys.executable} -m esptool --port {self.esp_port} --no-stub write_flash {str(offs)} {partition_table_path}'.split()
).returncode != 0:
raise RuntimeError('Flashing the patition table binary failed')
@EspSerial.use_esptool(hard_reset_after=True, no_stub=True)
def app_flash(self, app_path: str) -> None:
"""
Flash App.
:return: None
"""
offs = int(self.app.flash_args['app']['offset'], 16)
if subprocess.run(
f'{sys.executable} -m esptool --port {self.esp_port} --no-stub write_flash {str(offs)} {app_path}'.split()
).returncode != 0:
raise RuntimeError('Flashing the app binary failed')
def erase_app_header(self) -> None:
"""
Erase app header
:return None
"""
if not os.path.exists('erase_app_header.bin'):
binstr = b'\xff' * 4096
with open('erase_app_header.bin', 'wb') as f:
f.write(binstr)
self.app_flash('erase_app_header.bin')
@EspSerial.use_esptool(hard_reset_after=True, no_stub=True)
def burn_efuse_key_digest(self, key: str, purpose: str, block: str) -> None:
if subprocess.run(
f'{sys.executable} -m espefuse --port {self.esp_port} burn_key_digest {block} {key} {purpose} --do-not-confirm'.split()
).returncode != 0:
raise RuntimeError('Burning the key digest for the key {key} into the efuse block {block} failed')
@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
def burn_efuse(self, field: str, val: int) -> None:
if subprocess.run(
f'{sys.executable} -m espefuse --port {self.esp_port} burn_efuse {field} {str(val)} --do-not-confirm'.split()
).returncode != 0:
raise RuntimeError(f'Burning the {field} efuse failed')
@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
def burn_efuse_key(self, key: str, purpose: str, block: str) -> None:
if subprocess.run(
f'{sys.executable} -m espefuse --port {self.esp_port} burn_key {block} {key} {purpose} --do-not-confirm'.split()
).returncode != 0:
raise RuntimeError('Burning the key {key} into the efuse block {block} failed.')
def reset_efuses(self) -> None:
with serial.Serial(self.efuse_reset_port) as efuseport:
print('Resetting efuses')
efuseport.dtr = 0
self.proc.setRTS(0)
time.sleep(1)
efuseport.dtr = 1
self.proc.setRTS(1)
time.sleep(1)
self.proc.setRTS(0)
efuseport.dtr = 0
class FpgaDut(IdfDut):
SECURE_BOOT_EN_KEY = None # type: str
SECURE_BOOT_EN_VAL = 0
def __init__(self, *args, **kwargs) -> None: # type: ignore
super().__init__(*args, **kwargs)
self.efuse_reset_port = efuse_reset_port
class Esp32c3FpgaDut(FpgaDut):
SECURE_BOOT_EN_KEY = 'SECURE_BOOT_EN'
SECURE_BOOT_EN_VAL = 1
WAFER_VERSION = 'WAFER_VERSION_MINOR_LO'
WAFER_VERSION_VAL = 3
def burn_wafer_version(self) -> None:
self.serial.burn_efuse(self.WAFER_VERSION, self.WAFER_VERSION_VAL)
def secure_boot_burn_en_bit(self) -> None:
self.serial.burn_efuse(self.SECURE_BOOT_EN_KEY, self.SECURE_BOOT_EN_VAL)
def secure_boot_burn_digest(self, digest: str, key_index: int = 0, block: int = 0) -> None:
self.serial.burn_efuse_key_digest(digest, 'SECURE_BOOT_DIGEST%d' % key_index, 'BLOCK_KEY%d' % block)
class Esp32s3FpgaDut(FpgaDut):
SECURE_BOOT_EN_KEY = 'SECURE_BOOT_EN'
SECURE_BOOT_EN_VAL = 1
WAFER_VERSION = 'WAFER_VERSION_MINOR_LO'
WAFER_VERSION_VAL = 1
def burn_wafer_version(self) -> None:
self.serial.burn_efuse(self.WAFER_VERSION, self.WAFER_VERSION_VAL)
def secure_boot_burn_en_bit(self) -> None:
self.serial.burn_efuse(self.SECURE_BOOT_EN_KEY, self.SECURE_BOOT_EN_VAL)
def secure_boot_burn_digest(self, digest: str, key_index: int = 0, block: int = 0) -> None:
self.serial.burn_efuse_key_digest(digest, 'SECURE_BOOT_DIGEST%d' % key_index, 'BLOCK_KEY%d' % block)
class Esp32p4FpgaDut(FpgaDut):
SECURE_BOOT_EN_KEY = 'SECURE_BOOT_EN'
SECURE_BOOT_EN_VAL = 1
def burn_wafer_version(self) -> None:
pass
def secure_boot_burn_en_bit(self) -> None:
self.serial.burn_efuse(self.SECURE_BOOT_EN_KEY, self.SECURE_BOOT_EN_VAL)
def secure_boot_burn_digest(self, digest: str, key_index: int = 0, block: int = 0) -> None:
self.serial.burn_efuse_key_digest(digest, 'SECURE_BOOT_DIGEST%d' % key_index, 'BLOCK_KEY%d' % block)
@pytest.fixture(scope='module')
def monkeypatch_module(request: FixtureRequest) -> MonkeyPatch:
mp = MonkeyPatch()
request.addfinalizer(mp.undo)
return mp
@pytest.fixture(scope='module', autouse=True)
def replace_dut_class(monkeypatch_module: MonkeyPatch, pytestconfig: pytest.Config) -> None:
target = pytestconfig.getoption('target')
if target == 'esp32c3':
monkeypatch_module.setattr('pytest_embedded_idf.IdfDut', Esp32c3FpgaDut)
elif target == 'esp32s3':
monkeypatch_module.setattr('pytest_embedded_idf.IdfDut', Esp32s3FpgaDut)
elif target == 'esp32p4':
monkeypatch_module.setattr('pytest_embedded_idf.IdfDut', Esp32p4FpgaDut)
monkeypatch_module.setattr('pytest_embedded_idf.IdfSerial', FpgaSerial)