trezor-firmware/core/SConscript.kernel

# pylint: disable=E0602
# fmt: off

import os
import tools, models

BITCOIN_ONLY = ARGUMENTS.get('BITCOIN_ONLY', '0')
PRODUCTION = ARGUMENTS.get('PRODUCTION', '0') == '1'
BOOTLOADER_QA = ARGUMENTS.get('BOOTLOADER_QA', '0') == '1'
BOOTLOADER_DEVEL = ARGUMENTS.get('BOOTLOADER_DEVEL', '0') == '1'
EVERYTHING = BITCOIN_ONLY != '1'
TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
PYOPT = ARGUMENTS.get('PYOPT', '1')
DISABLE_OPTIGA = ARGUMENTS.get('DISABLE_OPTIGA', '0') == '1'
HW_REVISION = ARGUMENTS.get('HW_REVISION', None)
THP = ARGUMENTS.get('THP', '0') == '1' # Trezor-Host Protocol
NEW_RENDERING = ARGUMENTS.get('NEW_RENDERING', '1') == '1' or TREZOR_MODEL in ('T3T1',)


FEATURE_FLAGS = {
    "RDI": True,
    "SECP256K1_ZKP": True,  # required for trezor.crypto.curve.bip340 (BIP340/Taproot)
    "SYSTEM_VIEW": False,
    "AES_GCM": False,
}

FEATURES_WANTED = ["input", "sbu", "sd_card", "rgb_led", "dma2d", "consumption_mask", "usb" ,"optiga", "haptic"]
if DISABLE_OPTIGA and PYOPT == '0':
    FEATURES_WANTED.remove("optiga")
if NEW_RENDERING:
    FEATURES_WANTED.append("new_rendering")

CCFLAGS_MOD = ''
CPPPATH_MOD = []
CPPDEFINES_MOD = []
SOURCE_MOD = []
SOURCE_MOD_CRYPTO = []
CPPDEFINES_HAL = []
SOURCE_HAL = []
PATH_HAL = []

FROZEN = True

if TREZOR_MODEL in ('1', 'R'):
    FONT_NORMAL='Font_PixelOperator_Regular_8'
    FONT_DEMIBOLD='Font_Unifont_Bold_16'
    FONT_BOLD='Font_PixelOperator_Bold_8'
    FONT_MONO='Font_PixelOperatorMono_Regular_8'
    FONT_BIG='Font_Unifont_Regular_16'
    FONT_NORMAL_UPPER='Font_PixelOperator_Regular_8_upper'
    FONT_BOLD_UPPER='Font_PixelOperator_Bold_8_upper'
    FONT_SUB=None
elif TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
    FONT_NORMAL='Font_TTHoves_Regular_21'
    FONT_DEMIBOLD='Font_TTHoves_DemiBold_21'
    FONT_BOLD=None
    FONT_MONO='Font_RobotoMono_Medium_20'
    FONT_BIG=None
    FONT_NORMAL_UPPER=None
    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
    FONT_SUB=None
elif TREZOR_MODEL in ('T3T1',):
    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
    FONT_DEMIBOLD='Font_TTSatoshi_DemiBold_21'
    FONT_BOLD='Font_TTSatoshi_DemiBold_21'
    FONT_MONO='Font_RobotoMono_Medium_21'
    FONT_BIG='Font_TTSatoshi_DemiBold_42'
    FONT_NORMAL_UPPER=None
    FONT_BOLD_UPPER=None
    FONT_SUB='Font_TTSatoshi_DemiBold_18'

# modtrezorconfig
CPPPATH_MOD += [
    'embed/extmod/modtrezorconfig',
    'vendor/trezor-storage',
]
SOURCE_MOD += [
#    'embed/extmod/modtrezorconfig/modtrezorconfig.c',
    'vendor/trezor-storage/norcow.c',
    'vendor/trezor-storage/storage.c',
    'vendor/trezor-storage/storage_utils.c',
    'vendor/trezor-storage/flash_area.c',
]

# modtrezorcrypto
CCFLAGS_MOD += '-Wno-sequence-point '
CPPPATH_MOD += [
    'vendor/trezor-crypto',
]
CPPDEFINES_MOD += [
    'KERNEL_MODE',
    'SYSCALL_DISPATCH',
    'AES_128',
    'AES_192',
    ('USE_BIP32_CACHE', '0'),
    ('USE_KECCAK', '1'),
    ('USE_ETHEREUM', '1' if EVERYTHING else '0'),
    ('USE_MONERO', '1' if EVERYTHING else '0'),
    ('USE_CARDANO', '1' if EVERYTHING else '0'),
    ('USE_NEM', '1' if (EVERYTHING and TREZOR_MODEL == "T") else '0'),
    ('USE_EOS', '1' if (EVERYTHING and TREZOR_MODEL == "T") else '0'),
]
SOURCE_MOD_CRYPTO += [
    'vendor/trezor-crypto/address.c',
    'vendor/trezor-crypto/aes/aes_modes.c',
    'vendor/trezor-crypto/aes/aesccm.c',
    'vendor/trezor-crypto/aes/aescrypt.c',
    'vendor/trezor-crypto/aes/aeskey.c',
    'vendor/trezor-crypto/aes/aestab.c',
    'vendor/trezor-crypto/base32.c',
    'vendor/trezor-crypto/base58.c',
    'vendor/trezor-crypto/bignum.c',
    'vendor/trezor-crypto/bip32.c',
    'vendor/trezor-crypto/bip39.c',
    'vendor/trezor-crypto/bip39_english.c',
    'vendor/trezor-crypto/blake256.c',
    'vendor/trezor-crypto/blake2b.c',
    'vendor/trezor-crypto/blake2s.c',
    'vendor/trezor-crypto/buffer.c',
    'vendor/trezor-crypto/chacha20poly1305/chacha20poly1305.c',
    'vendor/trezor-crypto/chacha20poly1305/chacha_merged.c',
    'vendor/trezor-crypto/chacha20poly1305/poly1305-donna.c',
    'vendor/trezor-crypto/chacha20poly1305/rfc7539.c',
    'vendor/trezor-crypto/chacha_drbg.c',
    'vendor/trezor-crypto/curves.c',
    'vendor/trezor-crypto/der.c',
    'vendor/trezor-crypto/ecdsa.c',
    'vendor/trezor-crypto/ed25519-donna/curve25519-donna-32bit.c',
    'vendor/trezor-crypto/ed25519-donna/curve25519-donna-helpers.c',
    'vendor/trezor-crypto/ed25519-donna/curve25519-donna-scalarmult-base.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-donna-32bit-tables.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-donna-basepoint-table.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-donna-impl-base.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-keccak.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519-sha3.c',
    'vendor/trezor-crypto/ed25519-donna/ed25519.c',
    'vendor/trezor-crypto/ed25519-donna/modm-donna-32bit.c',
    'vendor/trezor-crypto/groestl.c',
    'vendor/trezor-crypto/hasher.c',
    'vendor/trezor-crypto/hmac.c',
    'vendor/trezor-crypto/hmac_drbg.c',
    'vendor/trezor-crypto/memzero.c',
    'vendor/trezor-crypto/nem.c',
    'vendor/trezor-crypto/nist256p1.c',
    'vendor/trezor-crypto/pbkdf2.c',
    'vendor/trezor-crypto/rand.c',
    'vendor/trezor-crypto/rfc6979.c',
    'vendor/trezor-crypto/ripemd160.c',
    'vendor/trezor-crypto/secp256k1.c',
    'vendor/trezor-crypto/segwit_addr.c',
    'vendor/trezor-crypto/sha2.c',
    'vendor/trezor-crypto/sha3.c',
    'vendor/trezor-crypto/shamir.c',
    'vendor/trezor-crypto/slip39.c',
    'vendor/trezor-crypto/slip39_english.c',
    'vendor/trezor-crypto/tls_prf.c',
]
if EVERYTHING:
    SOURCE_MOD_CRYPTO += [
        'vendor/trezor-crypto/cardano.c',
        'vendor/trezor-crypto/monero/base58.c',
        'vendor/trezor-crypto/monero/serialize.c',
        'vendor/trezor-crypto/monero/xmr.c',
    ]

# libsecp256k1-zkp
if FEATURE_FLAGS["SECP256K1_ZKP"]:
    CPPPATH_MOD += [
        'vendor/secp256k1-zkp',
        'vendor/secp256k1-zkp/src',
        'vendor/secp256k1-zkp/include',
    ]
    CPPDEFINES_MOD += [
        'USE_SECP256K1_ZKP',
        'USE_SECP256K1_ZKP_ECDSA',
        ('SECP256K1_CONTEXT_SIZE', '180'),
        'USE_ASM_ARM',
        'USE_EXTERNAL_ASM',
        'USE_EXTERNAL_DEFAULT_CALLBACKS',
        ('ECMULT_GEN_PREC_BITS', '2'),
        ('ECMULT_WINDOW_SIZE', '2'),
        'ENABLE_MODULE_GENERATOR',
        'ENABLE_MODULE_RECOVERY',
        'ENABLE_MODULE_SCHNORRSIG',
        'ENABLE_MODULE_EXTRAKEYS',
        'ENABLE_MODULE_ECDH',
    ]
    SOURCE_MOD_SECP256K1_ZKP = [
        'vendor/secp256k1-zkp/src/secp256k1.c',
        'vendor/secp256k1-zkp/src/precomputed_ecmult.c',
        'vendor/secp256k1-zkp/src/precomputed_ecmult_gen.c',
        'vendor/secp256k1-zkp/src/asm/field_10x26_arm.s'
    ]
    SOURCE_MOD_CRYPTO += [
        'vendor/trezor-crypto/zkp_context.c',
        'vendor/trezor-crypto/zkp_ecdsa.c',
        'vendor/trezor-crypto/zkp_bip340.c',
    ]

# AES-GCM
if FEATURE_FLAGS["AES_GCM"]:
    CPPDEFINES_MOD += [
        'USE_AES_GCM',
        'AES_VAR',
    ]
    SOURCE_MOD_CRYPTO += [
        'vendor/trezor-crypto/aes/gf128mul.c',
        'vendor/trezor-crypto/aes/aesgcm.c',
    ]

SOURCE_MOD += [
#    'embed/lib/buffers.c',
#    'embed/lib/colors.c',
#    'embed/lib/display_utils.c',
    'embed/lib/error_handling.c',
    'embed/lib/fonts/font_bitmap.c',
#    'embed/lib/fonts/fonts.c',
    'embed/lib/gfx_color.c',
    'embed/lib/gfx_bitblt_rgb565.c',
    'embed/lib/gfx_bitblt_rgba8888.c',
    'embed/lib/gfx_bitblt_mono8.c',
    'embed/lib/image.c',
    'embed/lib/mini_printf.c',
    'embed/lib/rsod.c',
    'embed/lib/terminal.c',
    'embed/lib/translations.c',
    'embed/lib/unit_variant.c',
    'embed/extmod/modtrezorcrypto/rand.c',
]

if NEW_RENDERING:
    CPPDEFINES_MOD += ['NEW_RENDERING']
    SOURCE_MOD += [
        'embed/lib/gfx_draw.c',
    ]
else:
    SOURCE_MOD += [
        'embed/lib/display_draw.c',
    ]


CPPDEFINES_MOD += [
    'TREZOR_UI2',
    'TRANSLATIONS',
]

if TREZOR_MODEL not in ('1', ):
    CPPDEFINES_MOD += [
        'FANCY_FATAL_ERROR',
    ]

CPPDEFINES_MOD += ['USE_SVC_SHUTDOWN']

if FEATURE_FLAGS["RDI"]:
    CPPDEFINES_MOD += ['RDI']

if FEATURE_FLAGS["SYSTEM_VIEW"]:
    SOURCE_FIRMWARE += [
        'embed/segger/SEGGER/SEGGER_SYSVIEW_Config_NoOS.c',
        'embed/segger/SEGGER/SEGGER_SYSVIEW.c',
        'embed/segger/SEGGER/SEGGER_RTT.c',
        'embed/segger/SEGGER/SEGGER_RTT_ASM_ARMv7M.S',
        'embed/segger/SEGGER/Syscalls/SEGGER_RTT_Syscalls_GCC.c',
        'embed/firmware/systemview.c',
    ]
    CPPPATH_MOD += [
        'embed/segger/SEGGER/',
        'embed/segger/Config/',
    ]
    CPPDEFINES_MOD += ['SYSTEM_VIEW']
    CCFLAGS_MOD += '-DSYSTEM_VIEW '

TRANSLATION_DATA = [
    "translations/en.json",
    "translations/order.json",
]

if THP:
    CPPDEFINES_MOD += ['USE_THP']
    SOURCE_MOD += [
        'vendor/trezor-crypto/elligator2.c',
    ]

# fonts
tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)

env = Environment(
    ENV=os.environ,
    CFLAGS=f"{ARGUMENTS.get('CFLAGS', '')} -DPRODUCTION={int(PRODUCTION)} -DPYOPT={PYOPT} -DBOOTLOADER_QA={int(BOOTLOADER_QA)} -DBITCOIN_ONLY={BITCOIN_ONLY}",
    CPPDEFINES_IMPLICIT=[]
    )

FEATURES_AVAILABLE = models.configure_board(TREZOR_MODEL, HW_REVISION, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)

FILE_SUFFIX= env.get('ENV')['SUFFIX']

SOURCE_FIRMWARE = [
    'embed/kernel/header.S',
    'embed/kernel/main.c',
    f'embed/kernel/startup_{FILE_SUFFIX}.S',
]


if TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
    UI_LAYOUT = 'UI_LAYOUT_TT'
    ui_layout_feature = 'model_tt'
elif TREZOR_MODEL in ('1', 'R'):
    UI_LAYOUT = 'UI_LAYOUT_TR'
    ui_layout_feature = 'model_tr'
elif TREZOR_MODEL in ('T3T1',):
    UI_LAYOUT = 'UI_LAYOUT_MERCURY'
    ui_layout_feature = 'model_mercury'
else:
    raise ValueError('Unknown Trezor model')

if 'sd_card' in FEATURES_AVAILABLE:
    SDCARD = True
else:
    SDCARD = False

env.Replace(
    CAT='cat',
    DD='dd',
    CP='cp',
    SED='sed',
    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 ('1',):
    LD_VARIANT  = '' if EVERYTHING else '_min'
else:
    LD_VARIANT  = ''

ALLPATHS = [
        '.',
        'embed/firmware',
        'embed/lib',
        'embed/models',
        'embed/trezorhal',
    ] + CPPPATH_MOD + PATH_HAL

env.Replace(
    COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
    CCFLAGS='$COPT '
    '-g3 '
    '-nostdlib '
    '-std=gnu11 -Wall -Werror -Wdouble-promotion -Wpointer-arith -Wno-missing-braces -fno-common '
    '-fsingle-precision-constant -fdata-sections -ffunction-sections '
    '-ffreestanding '
    '-fstack-protector-all '
    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
    LINKFLAGS='-T embed/kernel/memory_${TREZOR_MODEL}%s.ld -Wl,--gc-sections  -Wl,--print-memory-usage -Wl,-Map=build/kernel/kernel.map -Wl,--warn-common' % LD_VARIANT,
    CPPPATH=ALLPATHS,
    CPPDEFINES=[
        'KERNEL',
        'TREZOR_MODEL_'+TREZOR_MODEL,
        'USE_HAL_DRIVER',
        'ARM_USER_MODE',
        UI_LAYOUT,
    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
    ASPPFLAGS='$CFLAGS $CCFLAGS',
    )

env.Replace(
    HEADERTOOL='headertool',
    PYTHON='python',
    MAKEVERSIONHDR='$PYTHON vendor/micropython/py/makeversionhdr.py',
    MAKEMODULEDEFS='$PYTHON vendor/micropython/py/makemoduledefs.py',
    MAKECMAKELISTS='$PYTHON tools/make_cmakelists.py',
)


#
# Program objects
#

source_files = SOURCE_MOD + SOURCE_MOD_CRYPTO + SOURCE_FIRMWARE + SOURCE_HAL
obj_program = []
obj_program.extend(env.Object(source=SOURCE_MOD))
obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero'))
if FEATURE_FLAGS["SECP256K1_ZKP"]:
    obj_program.extend(env.Object(source=SOURCE_MOD_SECP256K1_ZKP, CCFLAGS='$CCFLAGS -Wno-unused-function'))
    source_files.extend(SOURCE_MOD_SECP256K1_ZKP)
obj_program.extend(env.Object(source=SOURCE_FIRMWARE))
obj_program.extend(env.Object(source=SOURCE_HAL))

env.Replace(
    ALLSOURCES=source_files,
    ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES'] + env['CPPDEFINES_IMPLICIT'] + [f"PRODUCTION={int(PRODUCTION)}", f"BOOTLOADER_QA={int(BOOTLOADER_QA)}", f"PYOPT={PYOPT}", f"BITCOIN_ONLY={BITCOIN_ONLY}"]))


cmake_gen = env.Command(
    target='CMakeLists.txt',
    source='',
    action='$MAKECMAKELISTS --sources $ALLSOURCES --dirs $CPPPATH --defs $ALLDEFS',
)

MODEL_IDENTIFIER = models.get_model_identifier(TREZOR_MODEL)
BOOTLOADER_SUFFIX = MODEL_IDENTIFIER
if BOOTLOADER_QA:
    BOOTLOADER_SUFFIX += '_qa'

# select vendor header
if BOOTLOADER_QA or BOOTLOADER_DEVEL:
    vendor = "dev_DO_NOT_SIGN_signed_dev"
elif not PRODUCTION:
    vendor = "unsafe_signed_prod"
else:
    if TREZOR_MODEL in ('T',):
        vendor = "satoshilabs_signed_prod"
    elif BITCOIN_ONLY == '1':
        vendor = "trezor_btconly_signed_prod"
    else:
        vendor = "trezor_signed_prod"

VENDORHEADER = f'embed/models/{MODEL_IDENTIFIER}/vendorheader/vendorheader_{vendor}.bin'


if TREZOR_MODEL not in ('1',):
    obj_program.extend(
        env.Command(
            target='embed/kernel/vendorheader.o',
            source=VENDORHEADER,
            action='$OBJCOPY -I binary -O elf32-littlearm -B arm'
            ' --rename-section .data=.vendorheader,alloc,load,readonly,contents'
            ' $SOURCE $TARGET', ))

if False: # TREZOR_MODEL not in ('DISC1', 'DISC2'):
    tools.embed_binary(
            obj_program,
            env,
            'bootloader',
            'embed/firmware/bootloaders/bootloader.o',
            f'embed/firmware/bootloaders/bootloader_{BOOTLOADER_SUFFIX}.bin',
            )


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

if CMAKELISTS != 0:
    env.Depends(program_elf, cmake_gen)

BINARY_NAME = f"build/kernel/kernel-{models.get_model_identifier(TREZOR_MODEL)}"
if not EVERYTHING:
    BINARY_NAME += "-btconly"
BINARY_NAME += "-" + tools.get_version('embed/kernel/version.h')
BINARY_NAME += "-" + tools.get_git_revision_short_hash()
BINARY_NAME += "-dirty" if tools.get_git_modified() else ""
BINARY_NAME += ".bin"


if TREZOR_MODEL in ('1'):
    action_bin=[
        '$OBJCOPY -O binary -j .header -j .flash -j .data -j .confidential $SOURCE $TARGET',
        '../legacy/bootloader/firmware_sign.py -f $TARGET',
        '$CP $TARGET ' + BINARY_NAME,
    ]
else:
    if 'STM32F427xx' in CPPDEFINES_HAL or 'STM32F429xx' in CPPDEFINES_HAL:
        action_bin=[
            '$OBJCOPY -O binary -j .vendorheader -j .header -j .flash -j .data -j .confidential --pad-to 0x08100000 $SOURCE ${TARGET}.p1',
            '$OBJCOPY -O binary -j .flash2 $SOURCE ${TARGET}.p2',
            '$CAT ${TARGET}.p1 ${TARGET}.p2 > $TARGET',
            '$HEADERTOOL -h $TARGET ' + ('-D' if not PRODUCTION else ''),
            '$DD if=$TARGET of=${TARGET}.p1 skip=0 bs=128k count=6',
            '$CP $TARGET ' + BINARY_NAME,
        ]
    elif 'STM32U5A9xx' in CPPDEFINES_HAL or 'STM32U585xx' in CPPDEFINES_HAL:
        action_bin=[
            '$OBJCOPY -O binary -j .vendorheader -j .header -j .flash -j .data -j .confidential $SOURCE ${TARGET}',
            '$HEADERTOOL -h $TARGET ' + ('-D' if not PRODUCTION else ''),
            '$CP $TARGET ' + BINARY_NAME,
            ]
    else:
        raise Exception("Unknown MCU")

program_bin = env.Command(
    target='kernel.bin',
    source=program_elf,
    action=action_bin,
)