mirror of
https://github.com/espressif/esp-idf.git
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253 lines
9.5 KiB
Python
253 lines
9.5 KiB
Python
# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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# pylint: disable=W0621 # redefined-outer-name
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import collections
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import os
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import tempfile
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import time
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import espefuse
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import espsecure
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import pytest
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import serial
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from _pytest.fixtures import FixtureRequest
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from _pytest.monkeypatch import MonkeyPatch
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from pytest_embedded_idf.app import FlashFile
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from pytest_embedded_idf.dut import IdfDut
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from pytest_embedded_idf.serial import IdfSerial
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from pytest_embedded_serial_esp.serial import EspSerial
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efuse_reset_port = os.getenv('EFUSEPORT')
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# This is a custom Serial Class for the FPGA
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class FpgaSerial(IdfSerial):
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def __init__(self, *args, **kwargs) -> None: # type: ignore
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super().__init__(*args, **kwargs)
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self.efuse_reset_port = efuse_reset_port
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if self.efuse_reset_port is None:
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raise RuntimeError('EFUSEPORT not specified')
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self.secure_boot_en = self.app.sdkconfig.get('CONFIG_SECURE_BOOT') and \
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not self.app.sdkconfig.get('CONFIG_EFUSE_VIRTUAL')
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self.efuses = None
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self.efuse_operations = None
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@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
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def enable_efuses(self) -> None:
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# We use an extra COM port to reset the efuses on FPGA.
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# Connect DTR pin of the COM port to the efuse reset pin on daughter board
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# Set EFUSEPORT env variable to the extra COM port
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if self.efuse_reset_port is None:
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raise RuntimeError('EFUSEPORT not specified')
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self.efuses, self.efuse_operations = espefuse.get_efuses(self.esp, False, False, True)
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@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
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def bootloader_flash(self, bootloader_path: str) -> None:
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"""
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Flash bootloader.
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:return: None
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"""
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offs = int(self.app.sdkconfig.get('BOOTLOADER_OFFSET_IN_FLASH', 0))
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prev_flash_files = self.app.flash_files
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flash_files = []
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flash_files.append(
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FlashFile(
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offs,
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bootloader_path,
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False,
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)
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)
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self.app.flash_files = flash_files
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self.app.flash_settings['encrypt'] = False
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self.app.flash_settings['no_stub'] = True
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self.app.flash_settings['force'] = True
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self.flash()
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# Restore self.app.flash files to original value
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self.app.flash_files = prev_flash_files
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@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
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def app_flash(self, app_path: str) -> None:
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"""
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Flash App.
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:return: None
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"""
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offs = self.app.flash_args['app']['offset']
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prev_flash_files = self.app.flash_files
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flash_files = []
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flash_files.append(
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FlashFile(
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offs,
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app_path,
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False,
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)
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)
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self.app.flash_files = flash_files
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self.app.flash_settings['encrypt'] = False
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self.app.flash_settings['no_stub'] = True
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self.flash()
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# Restore self.app.flash files to original value
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self.app.flash_files = prev_flash_files
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@EspSerial.use_esptool(hard_reset_after=True, no_stub=True)
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def burn_efuse_key_digest(self, key: str, purpose: str, block: str) -> None:
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if self.efuse_operations is None:
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self.enable_efuses()
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BurnDigestArgs = collections.namedtuple('BurnDigestArgs',
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['keyfile', 'keypurpose', 'block',
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'force_write_always', 'no_write_protect', 'no_read_protect'])
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args = BurnDigestArgs([open(key, 'rb')],
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[purpose],
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[block],
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False, False, True)
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self.efuse_operations.burn_key_digest(self.esp, self.efuses, args) # type: ignore
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@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
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def burn_efuse(self, field: str, val: int) -> None:
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if self.efuse_operations is None:
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self.enable_efuses()
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BurnEfuseArgs = collections.namedtuple('BurnEfuseArgs', ['do_not_confirm', 'name_value_pairs'])
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args = BurnEfuseArgs(True, {field: val})
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self.efuse_operations.burn_efuse(self.esp, self.efuses, args) # type: ignore
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@EspSerial.use_esptool(hard_reset_after=False, no_stub=True)
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def burn_efuse_key(self, key: str, purpose: str, block: str) -> None:
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if self.efuse_operations is None:
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self.enable_efuses()
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BurnKeyArgs = collections.namedtuple('BurnKeyArgs',
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['keyfile', 'keypurpose', 'block',
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'force_write_always', 'no_write_protect', 'no_read_protect'])
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args = BurnKeyArgs([key],
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[purpose],
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[block],
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False, False, False)
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self.efuse_operations.burn_key(self.esp, self.efuses, args) # type: ignore
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def reset_efuses(self) -> None:
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if self.efuse_reset_port is None:
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raise RuntimeError('EFUSEPORT not specified')
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with serial.Serial(self.efuse_reset_port) as efuseport:
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print('Resetting efuses')
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efuseport.dtr = 0
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self.proc.setRTS(0)
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time.sleep(1)
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efuseport.dtr = 1
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self.proc.setRTS(1)
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time.sleep(1)
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self.proc.setRTS(0)
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efuseport.dtr = 0
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self.efuse_operations = None
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self.efuses = None
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class FpgaDut(IdfDut):
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ERASE_NVS = True
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FLASH_ENCRYPT_SCHEME = None # type: str
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FLASH_ENCRYPT_CNT_KEY = None # type: str
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FLASH_ENCRYPT_CNT_VAL = 0
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FLASH_ENCRYPT_PURPOSE = None # type: str
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SECURE_BOOT_EN_KEY = None # type: str
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SECURE_BOOT_EN_VAL = 0
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FLASH_SECTOR_SIZE = 4096
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def __init__(self, *args, **kwargs) -> None: # type: ignore
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super().__init__(*args, **kwargs)
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self.efuses = None
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self.efuse_operations = None
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self.efuse_reset_port = efuse_reset_port
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def sign_data(self, data_file: str, key_files: str, version: str, append_signature: int = 0) -> bytes:
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SignDataArgs = collections.namedtuple('SignDataArgs',
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['datafile','keyfile','output', 'version', 'append_signatures'])
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with tempfile.NamedTemporaryFile() as outfile:
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args = SignDataArgs(data_file, key_files, outfile.name, str(version), append_signature)
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espsecure.sign_data(args)
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outfile.seek(0)
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return outfile.read()
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class Esp32c3FpgaDut(FpgaDut):
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FLASH_ENCRYPT_SCHEME = 'AES-XTS'
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FLASH_ENCRYPT_CNT_KEY = 'SPI_BOOT_CRYPT_CNT'
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FLASH_ENCRYPT_CNT_VAL = 1
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FLASH_ENCRYPT_PURPOSE = 'XTS_AES_128_KEY'
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SECURE_BOOT_EN_KEY = 'SECURE_BOOT_EN'
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SECURE_BOOT_EN_VAL = 1
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WAFER_VERSION = 'WAFER_VERSION_MINOR_LO'
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WAFER_VERSION_VAL = 3
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def burn_wafer_version(self) -> None:
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self.serial.burn_efuse(self.WAFER_VERSION, self.WAFER_VERSION_VAL)
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def flash_encrypt_burn_cnt(self) -> None:
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self.serial.burn_efuse(self.FLASH_ENCRYPT_CNT_KEY, self.FLASH_ENCRYPT_CNT_VAL)
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def flash_encrypt_burn_key(self, key: str, block: int = 0) -> None:
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self.serial.burn_efuse_key(key, self.FLASH_ENCRYPT_PURPOSE, 'BLOCK_KEY%d' % block)
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def flash_encrypt_get_scheme(self) -> str:
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return self.FLASH_ENCRYPT_SCHEME
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def secure_boot_burn_en_bit(self) -> None:
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self.serial.burn_efuse(self.SECURE_BOOT_EN_KEY, self.SECURE_BOOT_EN_VAL)
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def secure_boot_burn_digest(self, digest: str, key_index: int = 0, block: int = 0) -> None:
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self.serial.burn_efuse_key_digest(digest, 'SECURE_BOOT_DIGEST%d' % key_index, 'BLOCK_KEY%d' % block)
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class Esp32s3FpgaDut(FpgaDut):
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FLASH_ENCRYPT_SCHEME = 'AES-XTS'
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FLASH_ENCRYPT_CNT_KEY = 'SPI_BOOT_CRYPT_CNT'
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FLASH_ENCRYPT_CNT_VAL = 1
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FLASH_ENCRYPT_PURPOSE = 'XTS_AES_128_KEY'
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SECURE_BOOT_EN_KEY = 'SECURE_BOOT_EN'
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SECURE_BOOT_EN_VAL = 1
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WAFER_VERSION = 'WAFER_VERSION_MINOR_LO'
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WAFER_VERSION_VAL = 1
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def burn_wafer_version(self) -> None:
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self.serial.burn_efuse(self.WAFER_VERSION, self.WAFER_VERSION_VAL)
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def flash_encrypt_burn_cnt(self) -> None:
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self.serial.burn_efuse(self.FLASH_ENCRYPT_CNT_KEY, self.FLASH_ENCRYPT_CNT_VAL)
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def flash_encrypt_burn_key(self, key: str, block: int = 0) -> None:
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self.serial.burn_efuse_key(key, self.FLASH_ENCRYPT_PURPOSE, 'BLOCK_KEY%d' % block)
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def flash_encrypt_get_scheme(self) -> str:
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return self.FLASH_ENCRYPT_SCHEME
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def secure_boot_burn_en_bit(self) -> None:
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self.serial.burn_efuse(self.SECURE_BOOT_EN_KEY, self.SECURE_BOOT_EN_VAL)
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def secure_boot_burn_digest(self, digest: str, key_index: int = 0, block: int = 0) -> None:
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self.serial.burn_efuse_key_digest(digest, 'SECURE_BOOT_DIGEST%d' % key_index, 'BLOCK_KEY%d' % block)
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@pytest.fixture(scope='module')
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def monkeypatch_module(request: FixtureRequest) -> MonkeyPatch:
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mp = MonkeyPatch()
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request.addfinalizer(mp.undo)
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return mp
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@pytest.fixture(scope='module', autouse=True)
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def replace_dut_class(monkeypatch_module: MonkeyPatch, pytestconfig: pytest.Config) -> None:
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target = pytestconfig.getoption('target')
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if target == 'esp32c3':
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monkeypatch_module.setattr('pytest_embedded_idf.IdfDut', Esp32c3FpgaDut)
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elif target == 'esp32s3':
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monkeypatch_module.setattr('pytest_embedded_idf.IdfDut', Esp32s3FpgaDut)
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monkeypatch_module.setattr('pytest_embedded_idf.IdfSerial', FpgaSerial)
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