refactor(core): restructure trezorhal, prepare to support more platforms

[no changelog]

core/SConscript.boardloader

@@ -24,6 +24,9 @@ CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
 SOURCE_MOD = []
+CPPDEFINES_HAL = []
+SOURCE_HAL = []
+PATH_HAL = []
 
 # modtrezorcrypto
 CCFLAGS_MOD += '-Wno-sequence-point '
@@ -57,31 +60,7 @@ SOURCE_MOD += [
     'embed/lib/colors.c',
     'embed/lib/fonts/fonts.c',
     'embed/lib/fonts/font_bitmap.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_dma.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_ltdc.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_rcc_ex.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_sdram.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',
+    'embed/lib/mini_printf.c',
 ]
 
 SOURCE_BOARDLOADER = [
@@ -89,24 +68,9 @@ SOURCE_BOARDLOADER = [
     'embed/boardloader/main.c',
 ]
 
-SOURCE_TREZORHAL = [
-    'embed/trezorhal/board_capabilities.c',
-    'embed/trezorhal/common.c',
-    'embed/trezorhal/dma.c',
-    'embed/trezorhal/image.c',
-    'embed/trezorhal/flash.c',
-    'embed/trezorhal/lowlevel.c',
-    'embed/trezorhal/mini_printf.c',
-    'embed/trezorhal/stm32.c',
-    'embed/trezorhal/systick.c',
-    'embed/trezorhal/rng.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')))
 
-FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_MOD, SOURCE_TREZORHAL)
+FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
 
 env.Replace(
     CP='cp',
@@ -123,17 +87,6 @@ env.Replace(
 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'
-elif TREZOR_MODEL in ('DISC1',):
-    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   = 'STM32F429xx'
-else:
-    raise ValueError('Unknown Trezor model')
-
 env.Replace(
     COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
     CCFLAGS='$COPT '
@@ -143,7 +96,7 @@ env.Replace(
     '-fsingle-precision-constant -fdata-sections -ffunction-sections '
     '-ffreestanding '
     '-fstack-protector-all '
-    + CPU_CCFLAGS + CCFLAGS_MOD,
+    + env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
     CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
     LINKFLAGS='-T embed/boardloader/memory.ld -Wl,--gc-sections -Wl,-Map=build/boardloader/boardloader.map -Wl,--warn-common  -Wl,--print-memory-usage',
     CPPPATH=[
@@ -152,23 +105,19 @@ env.Replace(
         'embed/models',
         'embed/trezorhal',
         'embed/extmod/modtrezorui',
-        'vendor/micropython/stmhal',
-        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
-        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
         'vendor/micropython/lib/cmsis/inc',
-    ] + CPPPATH_MOD,
+    ] + CPPPATH_MOD + PATH_HAL,
     CPPDEFINES=[
         'BOARDLOADER',
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        CPU_MODEL,
         'USE_HAL_DRIVER',
-        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
-    ] + CPPDEFINES_MOD,
-    ASFLAGS=CPU_ASFLAGS,
-    ASPPFLAGS='$CFLAGS $CCFLAGS', )
+    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
+    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
+    ASPPFLAGS='$CFLAGS $CCFLAGS',
+    )
 
 env.Replace(
-    ALLSOURCES=SOURCE_MOD + SOURCE_BOARDLOADER + SOURCE_STMHAL + SOURCE_TREZORHAL,
+    ALLSOURCES=SOURCE_MOD + SOURCE_BOARDLOADER + SOURCE_HAL,
     ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES']))
 
 cmake_gen = env.Command(
@@ -184,8 +133,7 @@ cmake_gen = env.Command(
 obj_program = []
 obj_program += env.Object(source=SOURCE_MOD)
 obj_program += env.Object(source=SOURCE_BOARDLOADER)
-obj_program += env.Object(source=SOURCE_STMHAL)
-obj_program += env.Object(source=SOURCE_TREZORHAL)
+obj_program += env.Object(source=SOURCE_HAL)
 
 program_elf = env.Command(
     target='boardloader.elf',

core/SConscript.bootloader

@@ -20,12 +20,15 @@ if TREZOR_MODEL in ('1', ):
              )
     Return()
 
-FEATURES_WANTED = ["input", "rgb_led", "consumption_mask"]
+FEATURES_WANTED = ["input", "rgb_led", "consumption_mask", "usb"]
 
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
 SOURCE_MOD = []
+CPPDEFINES_HAL = []
+SOURCE_HAL = []
+PATH_HAL = []
 
 if TREZOR_MODEL in ('R', ):
     FONT_NORMAL='Font_PixelOperator_Regular_8'
@@ -75,6 +78,7 @@ CPPPATH_MOD += [
 ]
 
 SOURCE_MOD += [
+    'embed/lib/mini_printf.c',
     'embed/lib/unit_variant.c',
     'embed/lib/buffers.c',
     'embed/lib/colors.c',
@@ -87,31 +91,6 @@ SOURCE_MOD += [
     '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_dma.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_ltdc.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_rcc_ex.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_sdram.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',
@@ -127,25 +106,6 @@ SOURCE_BOOTLOADER = [
     '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',
-]
-
 # fonts
 tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
 tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
@@ -155,7 +115,7 @@ tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
 
 env = Environment(ENV=os.environ, CFLAGS=f"{ARGUMENTS.get('CFLAGS', '')} -DPRODUCTION={int(PRODUCTION)} -DBOOTLOADER_QA={int(BOOTLOADER_QA)}")
 
-FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_MOD, SOURCE_TREZORHAL)
+FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
 
 env.Replace(
     CP='cp',
@@ -172,19 +132,6 @@ env.Replace(
 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'
-    RUST_TARGET = 'thumbv7em-none-eabihf'
-elif TREZOR_MODEL in ('DISC1', ):
-    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   = 'STM32F429xx'
-    RUST_TARGET = 'thumbv7em-none-eabihf'
-else:
-    raise ValueError('Unknown Trezor model')
-
 env.Replace(
     COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
     CCFLAGS='$COPT '
@@ -194,7 +141,7 @@ env.Replace(
     '-fsingle-precision-constant -fdata-sections -ffunction-sections '
     '-ffreestanding '
     '-fstack-protector-all '
-    + CPU_CCFLAGS + CCFLAGS_MOD,
+    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
     CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
     LINKFLAGS='-T embed/bootloader/memory.ld -Wl,--gc-sections -Wl,-Map=build/bootloader/bootloader.map -Wl,--warn-common -Wl,--print-memory-usage',
     CPPPATH=[
@@ -206,30 +153,27 @@ env.Replace(
         'embed/models',
         'embed/trezorhal',
         'embed/extmod/modtrezorui',
-        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
-        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
         'vendor/micropython/lib/cmsis/inc',
         'vendor/nanopb',
-    ] + CPPPATH_MOD,
+    ] + CPPPATH_MOD + PATH_HAL,
     CPPDEFINES=[
         'BOOTLOADER',
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        CPU_MODEL,
         'USE_HAL_DRIVER',
-        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
         'PB_FIELD_16BIT',
         'PB_ENCODE_ARRAYS_UNPACKED',
         'PB_VALIDATE_UTF8',
-    ] + CPPDEFINES_MOD,
-    ASFLAGS=CPU_ASFLAGS,
-    ASPPFLAGS='$CFLAGS $CCFLAGS', )
+    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
+    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
+    ASPPFLAGS='$CFLAGS $CCFLAGS',
+    )
 
 env.Replace(
     HEADERTOOL='tools/headertool.py',
 )
 
 env.Replace(
-    ALLSOURCES=SOURCE_MOD + SOURCE_BOOTLOADER + SOURCE_NANOPB + SOURCE_STMHAL + SOURCE_TREZORHAL,
+    ALLSOURCES=SOURCE_MOD + SOURCE_BOOTLOADER + SOURCE_NANOPB + SOURCE_HAL,
     ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES'] + [f"PRODUCTION={int(PRODUCTION)}", f"BOOTLOADER_QA={int(BOOTLOADER_QA)}"]))
 
 cmake_gen = env.Command(
@@ -245,7 +189,7 @@ cmake_gen = env.Command(
 
 RUST_PROFILE = 'release'
 RUST_LIB = 'trezor_lib'
-RUST_LIBDIR = f'build/bootloader/rust/{RUST_TARGET}/{RUST_PROFILE}'
+RUST_LIBDIR = f'build/bootloader/rust/{env.get("ENV")["RUST_TARGET"]}/{RUST_PROFILE}'
 RUST_LIBPATH = f'{RUST_LIBDIR}/lib{RUST_LIB}.a'
 
 def cargo_build():
@@ -266,7 +210,7 @@ def cargo_build():
     features.extend(FEATURES_AVAILABLE)
 
     cargo_opts = [
-        f'--target={RUST_TARGET}',
+        f'--target={env.get("ENV")["RUST_TARGET"]}',
         f'--target-dir=../../build/bootloader/rust',
         '--no-default-features',
         '--features ' + ','.join(features),
@@ -292,8 +236,7 @@ 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)
+obj_program += env.Object(source=SOURCE_HAL)
 
 
 program_elf = env.Command(

core/SConscript.bootloader_ci

@@ -18,12 +18,15 @@ if TREZOR_MODEL in ('1', 'DISC1'):
              )
     Return()
 
-FEATURES_WANTED = ["input"]
+FEATURES_WANTED = ["input", "usb"]
 
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
 SOURCE_MOD = []
+CPPDEFINES_HAL = []
+SOURCE_HAL = []
+PATH_HAL = []
 
 if TREZOR_MODEL in ('1', 'R'):
     FONT_NORMAL='Font_PixelOperator_Regular_8'
@@ -73,34 +76,13 @@ SOURCE_MOD += [
     'embed/lib/colors.c',
     'embed/lib/fonts/fonts.c',
     'embed/lib/fonts/font_bitmap.c',
+    'embed/lib/mini_printf.c',
     'embed/extmod/modtrezorcrypto/rand.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_dma.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',
@@ -116,24 +98,6 @@ SOURCE_BOOTLOADER = [
     'embed/bootloader_ci/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',
-]
 
 # fonts
 tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
@@ -144,7 +108,7 @@ tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
 
 env = Environment(ENV=os.environ, CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')))
 
-FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_MOD, SOURCE_TREZORHAL)
+FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
 
 env.Replace(
     CP='cp',
@@ -161,13 +125,6 @@ env.Replace(
 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='$COPT '
@@ -177,7 +134,7 @@ env.Replace(
     '-fsingle-precision-constant -fdata-sections -ffunction-sections '
     '-ffreestanding '
     '-fstack-protector-all '
-    + CPU_CCFLAGS + CCFLAGS_MOD,
+    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
     CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
     LINKFLAGS='-T embed/bootloader_ci/memory.ld -Wl,--gc-sections -Wl,-Map=build/bootloader_ci/bootloader.map -Wl,--warn-common',
     CPPPATH=[
@@ -188,30 +145,26 @@ env.Replace(
         'embed/models',
         'embed/trezorhal',
         'embed/extmod/modtrezorui',
-        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
-        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
         'vendor/micropython/lib/cmsis/inc',
         'vendor/nanopb',
-    ] + CPPPATH_MOD,
+    ] + CPPPATH_MOD + PATH_HAL,
     CPPDEFINES=[
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        CPU_MODEL,
         'USE_HAL_DRIVER',
-        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
         'PB_FIELD_16BIT',
         'PB_ENCODE_ARRAYS_UNPACKED',
         'PB_VALIDATE_UTF8',
-    ] + CPPDEFINES_MOD,
-    ASFLAGS=CPU_ASFLAGS,
+    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
+    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
     ASPPFLAGS='$CFLAGS $CCFLAGS',
-    ALLSOURCES=SOURCE_MOD + SOURCE_BOOTLOADER + SOURCE_STMHAL + SOURCE_TREZORHAL+ SOURCE_NANOPB, )
+    ALLSOURCES=SOURCE_MOD + SOURCE_BOOTLOADER + SOURCE_HAL+ SOURCE_NANOPB, )
 
 env.Replace(
     HEADERTOOL='tools/headertool.py',
 )
 
 env.Replace(
-    ALLSOURCES=SOURCE_MOD + SOURCE_BOOTLOADER + SOURCE_NANOPB + SOURCE_STMHAL + SOURCE_TREZORHAL,
+    ALLSOURCES=SOURCE_MOD + SOURCE_BOOTLOADER + SOURCE_NANOPB + SOURCE_HAL,
     ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES']))
 
 cmake_gen = env.Command(
@@ -229,8 +182,7 @@ 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)
+obj_program += env.Object(source=SOURCE_HAL)
 
 program_elf = env.Command(
     target='bootloader.elf',

core/SConscript.bootloader_emu

@@ -82,6 +82,7 @@ SOURCE_MOD += [
     'embed/lib/display.c',
     'embed/lib/fonts/fonts.c',
     'embed/lib/fonts/font_bitmap.c',
+    'embed/lib/touch.c',
     'embed/extmod/modtrezorcrypto/rand.c',
     'vendor/micropython/lib/uzlib/adler32.c',
     'vendor/micropython/lib/uzlib/crc32.c',
@@ -103,18 +104,18 @@ SOURCE_BOOTLOADER = [
 ]
 
 SOURCE_TREZORHAL = [
-    'embed/trezorhal/image.c',
+    'embed/trezorhal/unix/image.c',
+    'embed/trezorhal/unix/display-unix.c',
+    'embed/trezorhal/unix/flash.c',
+    'embed/trezorhal/unix/common.c',
+    'embed/trezorhal/unix/touch/touch.c',
+    'embed/trezorhal/unix/rng.c',
+    'embed/trezorhal/unix/usb.c',
+    'embed/trezorhal/unix/random_delays.c',
 ]
 
 SOURCE_UNIX = [
-    'embed/unix/common.c',
-    'embed/unix/display-unix.c',
-    'embed/unix/flash.c',
     'embed/unix/profile.c',
-    'embed/unix/random_delays.c',
-    'embed/unix/rng.c',
-    'embed/unix/touch/touch.c',
-    'embed/unix/usb.c',
 ]
 
 # fonts
@@ -170,6 +171,8 @@ env.Replace(
         'embed/bootloader/protob',
         'embed/lib',
         'embed/models',
+        'embed/trezorhal',
+        'embed/trezorhal/unix',
         'embed/unix',
         'embed/extmod/modtrezorui',
         'vendor/nanopb',
@@ -181,7 +184,7 @@ env.Replace(
         'HW_MODEL=' + MODEL_AS_NUMBER,
         'HW_REVISION=' + ('6' if TREZOR_MODEL in ('R',) else '0'),
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        'TREZOR_BOARD=\\"board-unix.h\\"',
+        'TREZOR_BOARD=\\"boards/board-unix.h\\"',
         'PB_FIELD_16BIT',
         'PB_ENCODE_ARRAYS_UNPACKED',
         'PB_VALIDATE_UTF8',

core/SConscript.firmware

@@ -18,12 +18,15 @@ FEATURE_FLAGS = {
     "SYSTEM_VIEW": False,
 }
 
-FEATURES_WANTED = ["input", "sbu", "sd_card", "rgb_led", "dma2d", "consumption_mask"]
+FEATURES_WANTED = ["input", "sbu", "sd_card", "rgb_led", "dma2d", "consumption_mask", "usb"]
 
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
 SOURCE_MOD = []
+CPPDEFINES_HAL = []
+SOURCE_HAL = []
+PATH_HAL = []
 
 PYOPT = ARGUMENTS.get('PYOPT', '1')
 FROZEN = True
@@ -174,6 +177,7 @@ CPPPATH_MOD += [
         'vendor/micropython/lib/uzlib',
 ]
 SOURCE_MOD += [
+    'embed/lib/mini_printf.c',
     'embed/lib/unit_variant.c',
     'embed/lib/buffers.c',
     'embed/lib/colors.c',
@@ -328,31 +332,6 @@ SOURCE_MICROPYTHON_SPEED = [
     'vendor/micropython/py/vm.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_dma.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_ltdc.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_rcc_ex.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_sdram.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_FIRMWARE = [
     'embed/firmware/bl_check.c',
     'embed/firmware/delay.c',
@@ -363,28 +342,6 @@ SOURCE_FIRMWARE = [
     'embed/firmware/startup.S',
 ]
 
-SOURCE_TREZORHAL = [
-    'embed/trezorhal/board_capabilities.c',
-    'embed/trezorhal/common.c',
-    'embed/trezorhal/dma.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',
-]
-
-
 CPPDEFINES_MOD += ['USE_SVC_SHUTDOWN']
 
 if FEATURE_FLAGS["RDI"]:
@@ -417,7 +374,7 @@ SOURCE_QSTR = SOURCE_MOD + SOURCE_MICROPYTHON + SOURCE_MICROPYTHON_SPEED
 
 env = Environment(ENV=os.environ, CFLAGS=f"{ARGUMENTS.get('CFLAGS', '')} -DPRODUCTION={int(PRODUCTION)} -DPYOPT={PYOPT} -DBOOTLOADER_QA={int(BOOTLOADER_QA)} -DBITCOIN_ONLY={BITCOIN_ONLY}")
 
-FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_MOD, SOURCE_TREZORHAL)
+FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
 
 env.Tool('micropython')
 
@@ -437,26 +394,10 @@ env.Replace(
 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'
-    LD_VARIANT  = ''
-    RUST_TARGET = 'thumbv7em-none-eabihf'
-elif TREZOR_MODEL in ('DISC1', ):
-    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   = 'STM32F429xx'
-    LD_VARIANT  = ''
-    RUST_TARGET = 'thumbv7em-none-eabihf'
-elif TREZOR_MODEL in ('1',):
-    CPU_ASFLAGS = '-mthumb -mcpu=cortex-m3 -mfloat-abi=soft'
-    CPU_CCFLAGS = '-mthumb -mtune=cortex-m3 -mcpu=cortex-m3 -mfloat-abi=soft '
-    CPU_MODEL   = 'STM32F405xx'
+if TREZOR_MODEL in ('1',):
     LD_VARIANT  = '' if EVERYTHING else '_min'
-    RUST_TARGET = 'thumbv7m-none-eabi'
 else:
-    raise ValueError('Unknown Trezor model')
+    LD_VARIANT  = ''
 
 env.Replace(
     COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
@@ -467,7 +408,7 @@ env.Replace(
     '-fsingle-precision-constant -fdata-sections -ffunction-sections '
     '-ffreestanding '
     '-fstack-protector-all '
-    + CPU_CCFLAGS + CCFLAGS_MOD,
+    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
     CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
     LINKFLAGS='-T embed/firmware/memory_${TREZOR_MODEL}%s.ld -Wl,--gc-sections  -Wl,--print-memory-usage -Wl,-Map=build/firmware/firmware.map -Wl,--warn-common' % LD_VARIANT,
     CPPPATH=[
@@ -479,19 +420,16 @@ env.Replace(
         'embed/trezorhal',
         'embed/extmod/modtrezorui',
         'vendor/micropython',
-        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
-        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
         'vendor/micropython/lib/cmsis/inc',
-    ] + CPPPATH_MOD,
+    ] + CPPPATH_MOD + PATH_HAL,
     CPPDEFINES=[
         'FIRMWARE',
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        CPU_MODEL,
         'USE_HAL_DRIVER',
-        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
-    ] + CPPDEFINES_MOD,
-    ASFLAGS=CPU_ASFLAGS,
-    ASPPFLAGS='$CFLAGS $CCFLAGS', )
+    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
+    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
+    ASPPFLAGS='$CFLAGS $CCFLAGS',
+    )
 
 env.Replace(
     HEADERTOOL='tools/headertool.py',
@@ -725,7 +663,7 @@ env.Depends(protobuf_blobs, qstr_generated)
 
 RUST_PROFILE = 'release'
 RUST_LIB = 'trezor_lib'
-RUST_LIBDIR = f'build/firmware/rust/{RUST_TARGET}/{RUST_PROFILE}'
+RUST_LIBDIR = f'build/firmware/rust/{env.get("ENV")["RUST_TARGET"]}/{RUST_PROFILE}'
 RUST_LIBPATH = f'{RUST_LIBDIR}/lib{RUST_LIB}.a'
 
 def cargo_build():
@@ -751,7 +689,7 @@ def cargo_build():
     features.extend(FEATURES_AVAILABLE)
 
     cargo_opts = [
-        f'--target={RUST_TARGET}',
+        f'--target={env.get("ENV")["RUST_TARGET"]}',
         f'--target-dir=../../build/firmware/rust',
         '--no-default-features',
         '--features ' + ','.join(features),
@@ -776,7 +714,7 @@ env.Append(LINKFLAGS=f' -l{RUST_LIB}')
 # Program objects
 #
 
-source_files = SOURCE_MOD + SOURCE_FIRMWARE + SOURCE_MICROPYTHON + SOURCE_MICROPYTHON_SPEED + SOURCE_STMHAL + SOURCE_TREZORHAL
+source_files = SOURCE_MOD + SOURCE_FIRMWARE + SOURCE_MICROPYTHON + SOURCE_MICROPYTHON_SPEED + SOURCE_HAL
 obj_program = []
 obj_program.extend(env.Object(source=SOURCE_MOD))
 if FEATURE_FLAGS["SECP256K1_ZKP"]:
@@ -785,8 +723,7 @@ if FEATURE_FLAGS["SECP256K1_ZKP"]:
 obj_program.extend(env.Object(source=SOURCE_FIRMWARE))
 obj_program.extend(env.Object(source=SOURCE_MICROPYTHON))
 obj_program.extend(env.Object(source=SOURCE_MICROPYTHON_SPEED, COPT='-O3'))
-obj_program.extend(env.Object(source=SOURCE_STMHAL))
-obj_program.extend(env.Object(source=SOURCE_TREZORHAL))
+obj_program.extend(env.Object(source=SOURCE_HAL))
 if FROZEN:
     obj_program.extend(env.Object(source=source_mpyc))
 
@@ -812,6 +749,8 @@ elif PRODUCTION:
 else:
     VENDORHEADER = f'embed/vendorheader/{MODEL_IDENTIFIER}/vendorheader_unsafe_signed_prod.bin'
 
+
+if TREZOR_MODEL not in ('1',):
     obj_program.extend(
         env.Command(
             target='embed/firmware/vendorheader.o',

core/SConscript.prodtest

@@ -17,7 +17,7 @@ if TREZOR_MODEL in ('DISC1', ):
                  action=build_prodtest)
     Return()
 
-FEATURES_WANTED = ["input", "sbu", "sd_card", "rdb_led"]
+FEATURES_WANTED = ["input", "sbu", "sd_card", "rdb_led", "usb"]
 
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
@@ -25,6 +25,9 @@ CPPDEFINES_MOD = [
     'USE_INSECURE_PRNG',
 ]
 SOURCE_MOD = []
+CPPDEFINES_HAL = []
+SOURCE_HAL = []
+PATH_HAL = []
 
 if TREZOR_MODEL in ('1', 'R'):
     FONT_NORMAL=None
@@ -61,58 +64,19 @@ SOURCE_MOD += [
     'embed/lib/colors.c',
     'embed/lib/fonts/fonts.c',
     'embed/lib/fonts/font_bitmap.c',
+    'embed/lib/mini_printf.c',
     'embed/lib/qr-code-generator/qrcodegen.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_dma.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_PRODTEST = [
     'embed/prodtest/startup.s',
     'embed/prodtest/header.S',
     'embed/prodtest/main.c',
 ]
 
-SOURCE_TREZORHAL = [
-    'embed/trezorhal/common.c',
-    'embed/trezorhal/dma.c',
-    'embed/trezorhal/flash.c',
-    'embed/trezorhal/mini_printf.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',
-]
-
 # fonts
 tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
 tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
@@ -122,7 +86,7 @@ tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
 
 env = Environment(ENV=os.environ, CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')))
 
-FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_MOD, SOURCE_TREZORHAL)
+FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
 
 env.Replace(
     CP='cp',
@@ -139,17 +103,6 @@ env.Replace(
 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'
-elif TREZOR_MODEL in ('1',):
-    CPU_ASFLAGS = '-mthumb -mcpu=cortex-m3 -mfloat-abi=soft'
-    CPU_CCFLAGS = '-mthumb -mtune=cortex-m3 -mcpu=cortex-m3 -mfloat-abi=soft '
-    CPU_MODEL   = 'STM32F405xx'
-else:
-    raise ValueError('Unknown Trezor model')
-
 env.Replace(
     COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
     CCFLAGS='$COPT '
@@ -159,7 +112,7 @@ env.Replace(
     '-fsingle-precision-constant -fdata-sections -ffunction-sections '
     '-ffreestanding '
     '-fstack-protector-all '
-    + CPU_CCFLAGS + CCFLAGS_MOD,
+    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
     CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
     LINKFLAGS='-T embed/prodtest/memory.ld -Wl,--gc-sections -Wl,-Map=build/prodtest/prodtest.map -Wl,--warn-common',
     CPPPATH=[
@@ -168,19 +121,16 @@ env.Replace(
         'embed/models',
         'embed/trezorhal',
         'embed/extmod/modtrezorui',
-        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
-        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
         'vendor/micropython/lib/cmsis/inc',
-    ] + CPPPATH_MOD,
+    ] + CPPPATH_MOD + PATH_HAL,
     CPPDEFINES=[
         'TREZOR_PRODTEST',
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        CPU_MODEL,
         'USE_HAL_DRIVER',
-        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
-    ] + CPPDEFINES_MOD,
-    ASFLAGS=CPU_ASFLAGS,
-    ASPPFLAGS='$CFLAGS $CCFLAGS', )
+    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
+    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
+    ASPPFLAGS='$CFLAGS $CCFLAGS',
+    )
 
 env.Replace(
     HEADERTOOL='tools/headertool.py',
@@ -188,7 +138,7 @@ env.Replace(
 
 
 env.Replace(
-    ALLSOURCES=SOURCE_MOD + SOURCE_PRODTEST + SOURCE_STMHAL + SOURCE_TREZORHAL,
+    ALLSOURCES=SOURCE_MOD + SOURCE_PRODTEST + SOURCE_HAL,
     ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES']))
 
 cmake_gen = env.Command(
@@ -205,8 +155,7 @@ cmake_gen = env.Command(
 obj_program = []
 obj_program.extend(env.Object(source=SOURCE_MOD))
 obj_program.extend(env.Object(source=SOURCE_PRODTEST))
-obj_program.extend(env.Object(source=SOURCE_STMHAL))
-obj_program.extend(env.Object(source=SOURCE_TREZORHAL))
+obj_program.extend(env.Object(source=SOURCE_HAL))
 
 MODEL_IDENTIFIER = tools.get_model_identifier(TREZOR_MODEL)
 

core/SConscript.reflash

@@ -23,6 +23,9 @@ CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
 SOURCE_MOD = []
+CPPDEFINES_HAL = []
+SOURCE_HAL = []
+PATH_HAL = []
 
 if TREZOR_MODEL in ('1', 'R'):
     FONT_NORMAL=None
@@ -54,56 +57,18 @@ SOURCE_MOD += [
     'embed/lib/colors.c',
     'embed/lib/fonts/fonts.c',
     'embed/lib/fonts/font_bitmap.c',
+    'embed/lib/mini_printf.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_cortex.c',
-    'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.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/dma.c',
-    'embed/trezorhal/flash.c',
-    'embed/trezorhal/mini_printf.c',
-    'embed/trezorhal/rng.c',
-    'embed/trezorhal/systick.c',
-    'embed/trezorhal/stm32.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',
-]
-
 # fonts
 tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
 tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
@@ -113,7 +78,7 @@ tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
 
 env = Environment(ENV=os.environ, CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')))
 
-FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_MOD, SOURCE_TREZORHAL)
+FEATURES_AVAILABLE = tools.configure_board(TREZOR_MODEL, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
 
 env.Replace(
     CP='cp',
@@ -130,17 +95,6 @@ env.Replace(
 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'
-elif TREZOR_MODEL in ('1',):
-    CPU_ASFLAGS = '-mthumb -mcpu=cortex-m3 -mfloat-abi=soft'
-    CPU_CCFLAGS = '-mthumb -mtune=cortex-m3 -mcpu=cortex-m3 -mfloat-abi=soft '
-    CPU_MODEL   = 'STM32F405xx'
-else:
-    raise ValueError('Unknown Trezor model')
-
 env.Replace(
     COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
     CCFLAGS='$COPT '
@@ -150,7 +104,7 @@ env.Replace(
     '-fsingle-precision-constant -fdata-sections -ffunction-sections '
     '-ffreestanding '
     '-fstack-protector-all '
-    + CPU_CCFLAGS + CCFLAGS_MOD,
+    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
     CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
     LINKFLAGS='-T embed/reflash/memory.ld -Wl,--gc-sections -Wl,-Map=build/reflash/reflash.map -Wl,--warn-common',
     CPPPATH=[
@@ -159,25 +113,22 @@ env.Replace(
         'embed/models',
         'embed/trezorhal',
         'embed/extmod/modtrezorui',
-        'vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc',
-        'vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include',
         'vendor/micropython/lib/cmsis/inc',
-    ] + CPPPATH_MOD,
+    ] + CPPPATH_MOD + PATH_HAL,
     CPPDEFINES=[
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        CPU_MODEL,
         'USE_HAL_DRIVER',
-        ('STM32_HAL_H', '"<stm32f4xx.h>"'),
-    ] + CPPDEFINES_MOD,
-    ASFLAGS=CPU_ASFLAGS,
-    ASPPFLAGS='$CFLAGS $CCFLAGS', )
+    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
+    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
+    ASPPFLAGS='$CFLAGS $CCFLAGS',
+    )
 
 env.Replace(
     HEADERTOOL='tools/headertool.py',
 )
 
 env.Replace(
-    ALLSOURCES=SOURCE_MOD + SOURCE_REFLASH + SOURCE_STMHAL + SOURCE_TREZORHAL,
+    ALLSOURCES=SOURCE_MOD + SOURCE_REFLASH + SOURCE_HAL,
     ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES']))
 
 cmake_gen = env.Command(
@@ -193,8 +144,7 @@ cmake_gen = env.Command(
 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)
+obj_program += env.Object(source=SOURCE_HAL)
 
 MODEL_IDENTIFIER = tools.get_model_identifier(TREZOR_MODEL)
 

core/SConscript.unix

@@ -351,16 +351,16 @@ SOURCE_MICROPYTHON = [
 ]
 
 SOURCE_UNIX = [
-    'embed/unix/common.c',
-    'embed/unix/display-unix.c',
-    'embed/unix/flash.c',
+    'embed/trezorhal/unix/common.c',
+    'embed/trezorhal/unix/display-unix.c',
+    'embed/trezorhal/unix/flash.c',
+    'embed/trezorhal/unix/random_delays.c',
+    'embed/trezorhal/unix/rng.c',
+    'embed/trezorhal/unix/usb.c',
+    'embed/trezorhal/unix/touch/touch.c',
     'embed/unix/main.c',
     'embed/unix/main_main.c',
     'embed/unix/profile.c',
-    'embed/unix/random_delays.c',
-    'embed/unix/rng.c',
-    'embed/unix/touch/touch.c',
-    'embed/unix/usb.c',
     'vendor/micropython/shared/runtime/gchelper_generic.c',
     'vendor/micropython/ports/unix/alloc.c',
     'vendor/micropython/ports/unix/gccollect.c',
@@ -369,8 +369,8 @@ SOURCE_UNIX = [
 ]
 if TREZOR_MODEL in ('T', 'R'):
     SOURCE_UNIX += [
-        'embed/unix/sbu.c',
-        'embed/unix/sdcard.c',
+        'embed/trezorhal/unix/sbu.c',
+        'embed/trezorhal/unix/sdcard.c',
     ]
 
 if DMA2D:
@@ -469,6 +469,8 @@ env.Replace(
         'embed/lib',
         'embed/models',
         'embed/unix',
+        'embed/trezorhal',
+        'embed/trezorhal/unix',
         'embed/extmod/modtrezorui',
         'vendor/micropython',
         'vendor/micropython/ports/unix',
@@ -478,7 +480,7 @@ env.Replace(
         CPU_MODEL,
         'TREZOR_EMULATOR',
         'TREZOR_MODEL_'+TREZOR_MODEL,
-        'TREZOR_BOARD=\\"board-unix.h\\"',
+        'TREZOR_BOARD=\\"boards/board-unix.h\\"',
         ('MP_CONFIGFILE', '\\"embed/unix/mpconfigport.h\\"'),
     ] + CPPDEFINES_MOD,
     ASPPFLAGS='$CFLAGS $CCFLAGS', )

core/embed/bootloader/bootui.c

@@ -110,7 +110,7 @@ void ui_screen_boot_wait(int wait_seconds) {
 }
 
 #if defined USE_TOUCH
-#include "touch/touch.h"
+#include "touch.h"
 
 void ui_click(void) {
   // flush touch events if any

core/embed/bootloader/main.c

@@ -32,7 +32,7 @@
 #include "compiler_traits.h"
 #include "mini_printf.h"
 #include "mpu.h"
-#include "stm32.h"
+#include "platform.h"
 #endif
 #ifdef USE_DMA2D
 #include "dma2d.h"
@@ -41,7 +41,7 @@
 #include "i2c.h"
 #endif
 #ifdef USE_TOUCH
-#include "touch/touch.h"
+#include "touch.h"
 #endif
 #ifdef USE_BUTTON
 #include "button.h"

core/embed/bootloader_ci/main.c

@@ -30,7 +30,7 @@
 #include "rng.h"
 #include "secbool.h"
 #ifdef USE_TOUCH
-#include "touch/touch.h"
+#include "touch.h"
 #endif
 #include "usb.h"
 #include "version.h"

core/embed/extmod/modtrezorio/modtrezorio.c

@@ -29,7 +29,7 @@
 
 #include TREZOR_BOARD
 #include "button.h"
-#include "touch/touch.h"
+#include "touch.h"
 #include "usb.h"
 
 // Whether USB data pins were connected on last check (USB configured)

core/embed/firmware/main.c

@@ -61,7 +61,7 @@
 #include "i2c.h"
 #endif
 #ifdef USE_TOUCH
-#include "touch/touch.h"
+#include "touch.h"
 #endif
 #ifdef USE_SD_CARD
 #include "sdcard.h"
@@ -71,8 +71,8 @@
 #ifdef SYSTEM_VIEW
 #include "systemview.h"
 #endif
+#include "platform.h"
 #include "rng.h"
-#include "stm32.h"
 #include "supervise.h"
 #ifdef USE_SECP256K1_ZKP
 #include "zkp_context.h"

core/embed/lib/touch.c

@@ -1,4 +1,5 @@
 
+#ifdef USE_TOUCH
 #include "touch.h"
 
 uint32_t touch_click(void) {
@@ -18,3 +19,4 @@ uint32_t touch_click(void) {
   // return last touch coordinate
   return r;
 }
+#endif

core/embed/prodtest/main.c

@@ -34,7 +34,7 @@
 #include "sbu.h"
 #include "sdcard.h"
 #include "secbool.h"
-#include "touch/touch.h"
+#include "touch.h"
 #include "usb.h"
 
 #include "memzero.h"

core/embed/reflash/main.c

@@ -31,7 +31,7 @@
 #include "sbu.h"
 #include "sdcard.h"
 #include "secbool.h"
-#include "touch/touch.h"
+#include "touch.h"
 
 static void progress_callback(int pos, int len) { display_printf("."); }
 

core/embed/rust/Cargo.toml

@@ -28,6 +28,7 @@ sbu = []
 sd_card = []
 rgb_led = []
 backlight = []
+usb = []
 test = [
     "button",
     "cc",

core/embed/rust/build.rs

@@ -21,7 +21,7 @@ fn model() -> String {
 
 fn board() -> String {
     if !is_firmware() {
-        return String::from("board-unix.h");
+        return String::from("boards/board-unix.h");
     }
 
     match env::var("TREZOR_BOARD") {
@@ -76,6 +76,7 @@ fn prepare_bindings() -> bindgen::Builder {
         "-I../../vendor/micropython",
         "-I../../vendor/micropython/lib/uzlib",
         "-I../lib",
+        "-I../trezorhal",
         "-DSTM32F427xx",
         format!("-DTREZOR_MODEL_{}", model()).as_str(),
         format!("-DTREZOR_BOARD=\"{}\"", board()).as_str(),
@@ -86,7 +87,7 @@ fn prepare_bindings() -> bindgen::Builder {
         bindings = bindings.clang_args(&[
             "-nostdinc",
             "-I../firmware",
-            "-I../trezorhal",
+            "-I../trezorhal/stm32f4",
             "-I../../build/firmware",
             "-I../../vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc",
             "-I../../vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include",
@@ -117,6 +118,7 @@ fn prepare_bindings() -> bindgen::Builder {
     } else {
         bindings = bindings.clang_args(&[
             "-I../unix",
+            "-I../trezorhal/unix",
             "-I../../build/unix",
             "-I../../vendor/micropython/ports/unix",
             "-DTREZOR_EMULATOR",

core/embed/rust/trezorhal.h

@@ -10,7 +10,7 @@
 #include "rgb_led.h"
 #include "secbool.h"
 #include "storage.h"
-#include "touch/touch.h"
+#include "touch.h"
 #include "usb.h"
 
 #include "bip39.h"

core/embed/trezorhal/common.h

@@ -24,6 +24,8 @@
 #include <stdint.h>
 #include "secbool.h"
 
+#include "platform.h"
+
 #ifndef MIN_8bits
 #define MIN_8bits(a, b)                  \
   ({                                     \
@@ -70,20 +72,8 @@ void show_pin_too_many_screen(void);
 void hal_delay(uint32_t ms);
 uint32_t hal_ticks_ms();
 
-void clear_otg_hs_memory(void);
-
-extern uint32_t __stack_chk_guard;
-
 void collect_hw_entropy(void);
 #define HW_ENTROPY_LEN (12 + 32)
 extern uint8_t HW_ENTROPY_DATA[HW_ENTROPY_LEN];
 
-// the following functions are defined in util.s
-
-void memset_reg(volatile void *start, volatile void *stop, uint32_t val);
-void jump_to(uint32_t address);
-void jump_to_unprivileged(uint32_t address);
-void jump_to_with_flag(uint32_t address, uint32_t register_flag);
-void ensure_compatible_settings(void);
-
 #endif

core/embed/trezorhal/flash.h

@@ -92,6 +92,8 @@ extern const uint8_t FIRMWARE_SECTORS[FIRMWARE_SECTORS_COUNT];
 
 void flash_init(void);
 
+uint32_t flash_wait_and_clear_status_flags(void);
+
 secbool __wur flash_unlock_write(void);
 secbool __wur flash_lock_write(void);
 

core/embed/trezorhal/lowlevel.h

@@ -22,7 +22,6 @@
 
 #include "secbool.h"
 
-uint32_t flash_wait_and_clear_status_flags(void);
 secbool flash_check_option_bytes(void);
 void flash_lock_option_bytes(void);
 void flash_unlock_option_bytes(void);

core/embed/trezorhal/stm32f4/common.c

@@ -27,8 +27,8 @@
 #include "rust_ui.h"
 #endif
 #include "flash.h"
+#include "platform.h"
 #include "rand.h"
-#include "stm32.h"
 #include "supervise.h"
 
 #include "mini_printf.h"

core/embed/trezorhal/stm32f4/platform.c

@@ -19,7 +19,7 @@
 
 #include STM32_HAL_H
 
-#include "stm32.h"
+#include "platform.h"
 #include "rng.h"
 
 const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0,

core/embed/trezorhal/stm32f4/platform.h

@@ -21,6 +21,7 @@
 #define TREZORHAL_STM32_H
 
 #include STM32_HAL_H
+#include <stdint.h>
 
 typedef enum {
   CLOCK_180_MHZ = 0,
@@ -29,5 +30,15 @@ typedef enum {
 } clock_settings_t;
 
 void set_core_clock(clock_settings_t settings);
+// the following functions are defined in util.s
+
+void memset_reg(volatile void *start, volatile void *stop, uint32_t val);
+void jump_to(uint32_t address);
+void jump_to_unprivileged(uint32_t address);
+void jump_to_with_flag(uint32_t address, uint32_t register_flag);
+void ensure_compatible_settings(void);
+void clear_otg_hs_memory(void);
+
+extern uint32_t __stack_chk_guard;
 
 #endif  // TREZORHAL_STM32_H

core/embed/trezorhal/stm32f4/systemview.h

@@ -0,0 +1 @@
+../../firmware/systemview.h

core/embed/trezorhal/systemview.h

@@ -1 +0,0 @@
-../firmware/systemview.h