build(core): skip bootloader and boardloader compilation for Model 1

core/SConscript.boardloader

@@ -4,6 +4,18 @@ import os
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 
+if TREZOR_MODEL in ('1', ):
+    # skip boardloader build
+    env = Environment()
+    def build_boardloader(target,source,env):
+        print(f'Boardloader: nothing to build for Model {TREZOR_MODEL}')
+    program_bin = env.Command(
+                 target='boardloader.bin',
+                 source=None,
+                 action=build_boardloader
+             )
+    Return()
+
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
@@ -101,10 +113,6 @@ 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')
 

core/SConscript.bootloader

@@ -4,6 +4,18 @@ 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 = []
@@ -111,7 +123,7 @@ SOURCE_TREZORHAL = [
     'embed/trezorhal/vectortable.s',
 ]
 
-if TREZOR_MODEL in ('1', 'R'):
+if TREZOR_MODEL in ('R'):
     SOURCE_TREZORHAL.append('embed/trezorhal/button.c')
 if TREZOR_MODEL in ('T',):
     SOURCE_TREZORHAL.append('embed/trezorhal/touch.c')
@@ -135,10 +147,6 @@ 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')
 

core/SConscript.bootloader_ci

@@ -4,6 +4,18 @@ import os
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 
+if TREZOR_MODEL in ('1', ):
+    # skip bootloader_ci build
+    env = Environment()
+    def build_bootloader_ci(target,source,env):
+        print(f'Bootloader_ci: nothing to build for Model {TREZOR_MODEL}')
+    program_bin = env.Command(
+                 target='bootloader_ci.bin',
+                 source=None,
+                 action=build_bootloader_ci
+             )
+    Return()
+
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
@@ -127,10 +139,6 @@ 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')