# pylint: disable=E0602

import os

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

# modtrezorcrypto
CPPPATH_MOD += [
    'vendor/trezor-crypto',
]
SOURCE_MOD += [
    'vendor/trezor-crypto/memzero.c',
]

# modtrezorui
CPPPATH_MOD += [
        'vendor/micropython/extmod/uzlib',
]
CPPDEFINES_MOD += [
    'TREZOR_FONT_BOLD_ENABLE',
]
SOURCE_MOD += [
    'embed/extmod/modtrezorui/display.c',
    'embed/extmod/modtrezorui/font_bitmap.c',
    'embed/extmod/modtrezorui/font_roboto_bold_20.c',
    'embed/extmod/modtrezorui/qr-code-generator/qrcodegen.c',
    'vendor/micropython/extmod/uzlib/adler32.c',
    'vendor/micropython/extmod/uzlib/crc32.c',
    'vendor/micropython/extmod/uzlib/tinflate.c',
]

SOURCE_STMHAL = [
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.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_ex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.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_ex.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c',
    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.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_REFLASH = [
    'embed/reflash/startup.s',
    'embed/reflash/header.S',
    'embed/reflash/main.c',
]

SOURCE_TREZORHAL = [
    'embed/trezorhal/common.c',
    'embed/trezorhal/flash.c',
    'embed/trezorhal/mini_printf.c',
    'embed/trezorhal/rng.c',
    'embed/trezorhal/sbu.c',
    'embed/trezorhal/sdcard.c',
    'embed/trezorhal/stm32.c',
    'embed/trezorhal/touch.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',
]

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=env.get('ENV').get('TREZOR_MODEL', 'T'), )

if env.get('TREZOR_MODEL') == 'T':
    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:
    CPU_ASFLAGS = '-mthumb -mcpu=cortex-m3 -mfloat-abi=soft'
    CPU_CCFLAGS = '-mthumb -mtune=cortex-m3 -mcpu=cortex-m3 -mfloat-abi=soft '
    CPU_MODEL   = 'STM32F405xx'

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

env.Replace(
    BINCTL='tools/binctl',
    KEYCTL='tools/keyctl',
)

#
# Program objects
#

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

VENDORHEADER = 'embed/vendorheader/vendorheader_' + ('unsafe_signed_dev.bin' if ARGUMENTS.get('PRODUCTION', '0') == '0' else 'satoshilabs_signed_prod.bin')

obj_program.extend(
    env.Command(
        target='embed/reflash/vendorheader.o',
        source=VENDORHEADER,
        action='$OBJCOPY -I binary -O elf32-littlearm -B arm'
        ' --rename-section .data=.vendorheader,alloc,load,readonly,contents'
        ' $SOURCE $TARGET', ))

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

program_bin = env.Command(
    target='reflash.bin',
    source=program_elf,
    action=[
        '$OBJCOPY -O binary -j .vendorheader -j .header -j .flash -j .data $SOURCE $TARGET',
        '$BINCTL $TARGET -h',
        '$BINCTL $TARGET -s 1:2 `$KEYCTL sign firmware $TARGET 4747474747474747474747474747474747474747474747474747474747474747 4848484848484848484848484848484848484848484848484848484848484848`' if ARGUMENTS.get('PRODUCTION', '0') == '0' else '',
    ], )