refactor(core): inject full model name from build script

so that we don't have to do awkward string operations when we need it

[no changelog]

core/embed/extmod/modtrezorutils/modtrezorutils.c

@@ -281,6 +281,12 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_trezorutils_bootloader_locked_obj,
 STATIC mp_obj_str_t mod_trezorutils_revision_obj = {
     {&mp_type_bytes}, 0, sizeof(SCM_REVISION) - 1, (const byte *)SCM_REVISION};
 
+STATIC mp_obj_str_t mod_trezorutils_full_name_obj = {
+    {&mp_type_str},
+    0,
+    sizeof(MODEL_FULL_NAME) - 1,
+    (const byte *)MODEL_FULL_NAME};
+
 /// SCM_REVISION: bytes
 /// VERSION_MAJOR: int
 /// VERSION_MINOR: int
@@ -289,6 +295,7 @@ STATIC mp_obj_str_t mod_trezorutils_revision_obj = {
 /// USE_BACKLIGHT: bool
 /// USE_OPTIGA: bool
 /// MODEL: str
+/// MODEL_FULL_NAME: str
 /// INTERNAL_MODEL: str
 /// EMULATOR: bool
 /// BITCOIN_ONLY: bool
@@ -333,6 +340,8 @@ STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
     {MP_ROM_QSTR(MP_QSTR_USE_OPTIGA), mp_const_false},
 #endif
     {MP_ROM_QSTR(MP_QSTR_MODEL), MP_ROM_QSTR(MODEL_NAME_QSTR)},
+    {MP_ROM_QSTR(MP_QSTR_MODEL_FULL_NAME),
+     MP_ROM_PTR(&mod_trezorutils_full_name_obj)},
     {MP_ROM_QSTR(MP_QSTR_INTERNAL_MODEL),
      MP_ROM_QSTR(MODEL_INTERNAL_NAME_QSTR)},
 #ifdef TREZOR_EMULATOR

core/embed/models/model_D001.h

@@ -2,6 +2,7 @@
 #define MODELS_MODEL_D001_H_
 
 #define MODEL_NAME "T"
+#define MODEL_FULL_NAME "Trezor Model T"
 #define MODEL_INTERNAL_NAME "D001"
 #define MODEL_INTERNAL_NAME_TOKEN T
 #define MODEL_NAME_QSTR MP_QSTR_T

core/embed/models/model_T1B1.h

@@ -2,6 +2,7 @@
 #define MODELS_MODEL_T1B1_H_
 
 #define MODEL_NAME "1"
+#define MODEL_FULL_NAME "Trezor Model One"
 #define MODEL_INTERNAL_NAME "T1B1"
 #define MODEL_INTERNAL_NAME_TOKEN T1B1
 #define MODEL_NAME_QSTR MP_QSTR_1

core/embed/models/model_T2B1.h

@@ -2,6 +2,7 @@
 #define MODELS_MODEL_T2B1_H_
 
 #define MODEL_NAME "R"
+#define MODEL_FULL_NAME "Trezor Model R"
 #define MODEL_INTERNAL_NAME "T2B1"
 #define MODEL_INTERNAL_NAME_TOKEN T2B1
 #define MODEL_NAME_QSTR MP_QSTR_R

core/embed/models/model_T2T1.h

@@ -2,6 +2,7 @@
 #define MODELS_MODEL_T2T1_H_
 
 #define MODEL_NAME "T"
+#define MODEL_FULL_NAME "Trezor Model T"
 #define MODEL_INTERNAL_NAME "T2T1"
 #define MODEL_INTERNAL_NAME_TOKEN T2T1
 #define MODEL_NAME_QSTR MP_QSTR_T

core/src/apps/homescreen/__init__.py

@@ -19,7 +19,7 @@ async def homescreen() -> None:
     if storage.device.is_initialized():
         label = storage.device.get_label()
     else:
-        label = f"Trezor Model {utils.MODEL}"
+        label = utils.MODEL_FULL_NAME
 
     notification = None
     notification_is_error = False

core/src/trezor/utils.py

@@ -5,6 +5,7 @@ from trezorutils import (  # noqa: F401
     EMULATOR,
     INTERNAL_MODEL,
     MODEL,
+    MODEL_FULL_NAME,
     SCM_REVISION,
     UI_LAYOUT,
     USE_BACKLIGHT,