trezor-firmware/core/SConscript.bootloader

# pylint: disable=E0602

import os

TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')

if TREZOR_MODEL in ('1', ):
    # skip bootloader build
    env = Environment()
    def build_bootloader(target,source,env):
        print(f'Bootloader: nothing to build for Model {TREZOR_MODEL}')
    program_bin = env.Command(
                 target='bootloader.bin',
                 source=None,
                 action=build_bootloader
             )
    Return()

CCFLAGS_MOD = ''
CPPPATH_MOD = []
CPPDEFINES_MOD = []
SOURCE_MOD = []

# modtrezorcrypto
CCFLAGS_MOD += '-Wno-sequence-point '
CPPPATH_MOD += [
    'vendor/trezor-crypto',
]
CPPDEFINES_MOD += [
    'AES_128',
    'AES_192',
    'USE_KECCAK',
    'ED25519_NO_PRECOMP',
]
SOURCE_MOD += [
    'vendor/trezor-crypto/blake2s.c',
    'vendor/trezor-crypto/chacha_drbg.c',
    'vendor/trezor-crypto/chacha20poly1305/chacha_merged.c',
    'vendor/trezor-crypto/ed25519-donna/curve25519-donna-32bit.c',
    'vendor/trezor-crypto/ed25519-donna/curve25519-donna-helpers.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-donna-32bit-tables.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-donna-impl-base.c',
    'vendor/trezor-crypto/ed25519-donna/modm-donna-32bit.c',
    'vendor/trezor-crypto/memzero.c',
    'vendor/trezor-crypto/rand.c',
    'vendor/trezor-crypto/sha2.c',
]

# modtrezorui
CPPPATH_MOD += [
        'vendor/micropython/lib/uzlib',
]
CPPDEFINES_MOD += [
    'TREZOR_FONT_NORMAL_ENABLE',
    'TREZOR_FONT_MONO_ENABLE',
]
SOURCE_MOD += [
    'embed/extmod/modtrezorui/display.c',
    'embed/extmod/modtrezorui/font_bitmap.c',
    'embed/extmod/modtrezorui/font_roboto_regular_20.c',
    'embed/extmod/modtrezorui/font_robotomono_regular_20.c',
    'embed/extmod/modtrezorui/font_pixeloperator_bold_8.c',
    'embed/extmod/modtrezorui/font_pixeloperator_regular_8.c',
    'embed/extmod/modtrezorui/font_pixeloperatormono_regular_8.c',
    'vendor/micropython/lib/uzlib/adler32.c',
    'vendor/micropython/lib/uzlib/crc32.c',
    'vendor/micropython/lib/uzlib/tinflate.c',
]

SOURCE_STMHAL = [
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_spi.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sram.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_sdmmc.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c',
]

SOURCE_NANOPB = [
    'vendor/nanopb/pb_common.c',
    'vendor/nanopb/pb_decode.c',
    'vendor/nanopb/pb_encode.c',
]

SOURCE_BOOTLOADER = [
    'embed/bootloader/startup.s',
    'embed/bootloader/header.S',
    'embed/bootloader/bootui.c',
    'embed/bootloader/main.c',
    'embed/bootloader/messages.c',
    'embed/bootloader/protob/messages.pb.c',
]

SOURCE_TREZORHAL = [
    'embed/trezorhal/common.c',
    'embed/trezorhal/image.c',
    'embed/trezorhal/flash.c',
    'embed/trezorhal/mini_printf.c',
    'embed/trezorhal/mpu.c',
    'embed/trezorhal/random_delays.c',
    'embed/trezorhal/rng.c',
    'embed/trezorhal/stm32.c',
    'embed/trezorhal/systick.c',
    'embed/trezorhal/usb.c',
    'embed/trezorhal/usbd_conf.c',
    'embed/trezorhal/usbd_core.c',
    'embed/trezorhal/usbd_ctlreq.c',
    'embed/trezorhal/usbd_ioreq.c',
    'embed/trezorhal/util.s',
    'embed/trezorhal/vectortable.s',
]

if TREZOR_MODEL in ('R'):
    SOURCE_TREZORHAL.append('embed/trezorhal/button.c')
if TREZOR_MODEL in ('T',):
    SOURCE_TREZORHAL.append('embed/trezorhal/touch.c')


env = Environment(ENV=os.environ, CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')))

env.Replace(
    AS='arm-none-eabi-as',
    AR='arm-none-eabi-ar',
    CC='arm-none-eabi-gcc',
    LINK='arm-none-eabi-gcc',
    SIZE='arm-none-eabi-size',
    STRIP='arm-none-eabi-strip',
    OBJCOPY='arm-none-eabi-objcopy', )

env.Replace(
    TREZOR_MODEL=TREZOR_MODEL, )

if TREZOR_MODEL in ('T', 'R'):
    CPU_ASFLAGS = '-mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16'
    CPU_CCFLAGS = '-mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mtune=cortex-m4 '
    CPU_MODEL   = 'STM32F427xx'
else:
    raise ValueError('Unknown Trezor model')

env.Replace(
    COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
    CCFLAGS='$COPT '
    '-g3 '
    '-nostdlib '
    '-std=gnu99 -Wall -Werror -Wdouble-promotion -Wpointer-arith -Wno-missing-braces -fno-common '
    '-fsingle-precision-constant -fdata-sections -ffunction-sections '
    '-ffreestanding '
    '-fstack-protector-all '
    + CPU_CCFLAGS + CCFLAGS_MOD,
    CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
    LINKFLAGS='-T embed/bootloader/memory.ld -Wl,--gc-sections -Wl,-Map=build/bootloader/bootloader.map -Wl,--warn-common',
    CPPPATH=[
        'embed/bootloader',
        'embed/bootloader/nanopb',
        'embed/bootloader/protob',
        'embed/trezorhal',
        'embed/extmod/modtrezorui',
        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
        'vendor/micropython/lib/cmsis/inc',
        'vendor/nanopb',
    ] + CPPPATH_MOD,
    CPPDEFINES=[
        'TREZOR_MODEL_'+TREZOR_MODEL,
        CPU_MODEL,
        'USE_HAL_DRIVER',
        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
        'PB_FIELD_16BIT',
        'PB_ENCODE_ARRAYS_UNPACKED',
        'PB_VALIDATE_UTF8',
    ] + CPPDEFINES_MOD,
    ASFLAGS=CPU_ASFLAGS,
    ASPPFLAGS='$CFLAGS $CCFLAGS', )

env.Replace(
    HEADERTOOL='tools/headertool.py',
)

#
# Program objects
#

obj_program = []
obj_program += env.Object(source=SOURCE_MOD)
obj_program += env.Object(source=SOURCE_BOOTLOADER)
obj_program += env.Object(source=SOURCE_NANOPB)
obj_program += env.Object(source=SOURCE_STMHAL)
obj_program += env.Object(source=SOURCE_TREZORHAL)

program_elf = env.Command(
    target='bootloader.elf',
    source=obj_program,
    action=
    '$LINK -o $TARGET $CCFLAGS $CFLAGS $LINKFLAGS $SOURCES -lc_nano -lgcc',
)

program_bin = env.Command(
    target='bootloader.bin',
    source=program_elf,
    action=[
        '$OBJCOPY -O binary -j .header -j .flash -j .data $SOURCE $TARGET',
        '$HEADERTOOL $TARGET ' + ('-D' if ARGUMENTS.get('PRODUCTION', '0') == '0' else ''),
    ], )