chore(legacy): add reset to bootloader protobuf message

common/protob/messages-management.proto

@@ -401,3 +401,11 @@ message PreauthorizedRequest {
  */
 message CancelAuthorization {
 }
+
+/**
+ * Request: Reboot firmware to bootloader
+ * @start
+ * Can't have response.
+ */
+message RebootToBootloader {
+}

common/protob/messages.proto

@@ -271,4 +271,6 @@ enum MessageType {
     MessageType_WebAuthnCredentials = 801 [(wire_out) = true];
     MessageType_WebAuthnAddResidentCredential = 802 [(wire_in) = true];
     MessageType_WebAuthnRemoveResidentCredential = 803 [(wire_in) = true];
+
+    MessageType_RebootToBootloader = 804 [(wire_in) = true];
 }

legacy/firmware/fsm.c

@@ -297,6 +297,12 @@ static bool fsm_layoutAddress(const char *address, const char *desc,
   }
 }
 
+void fsm_msgRebootToBootloader(void) {
+#if !EMULATOR
+  svc_reboot_to_bootloader();
+#endif
+}
+
 #include "fsm_msg_coin.h"
 #include "fsm_msg_common.h"
 #include "fsm_msg_crypto.h"

legacy/firmware/fsm.h

@@ -138,4 +138,6 @@ void fsm_msgStellarAccountMergeOp(const StellarAccountMergeOp *msg);
 void fsm_msgStellarManageDataOp(const StellarManageDataOp *msg);
 void fsm_msgStellarBumpSequenceOp(const StellarBumpSequenceOp *msg);
 
+void fsm_msgRebootToBootloader(void);
+
 #endif

python/src/trezorlib/messages/MessageType.py

@@ -201,3 +201,4 @@ WebAuthnListResidentCredentials = 800  # type: Literal[800]
 WebAuthnCredentials = 801  # type: Literal[801]
 WebAuthnAddResidentCredential = 802  # type: Literal[802]
 WebAuthnRemoveResidentCredential = 803  # type: Literal[803]
+RebootToBootloader = 804  # type: Literal[804]

python/src/trezorlib/messages/RebootToBootloader.py

@@ -0,0 +1,14 @@
+# Automatically generated by pb2py
+# fmt: off
+from .. import protobuf as p
+
+if __debug__:
+    try:
+        from typing import Dict, List  # noqa: F401
+        from typing_extensions import Literal  # noqa: F401
+    except ImportError:
+        pass
+
+
+class RebootToBootloader(p.MessageType):
+    MESSAGE_WIRE_TYPE = 804

python/src/trezorlib/messages/__init__.py

@@ -215,6 +215,7 @@ from .PinMatrixRequest import PinMatrixRequest
 from .Ping import Ping
 from .PreauthorizedRequest import PreauthorizedRequest
 from .PublicKey import PublicKey
+from .RebootToBootloader import RebootToBootloader
 from .RecoveryDevice import RecoveryDevice
 from .ResetDevice import ResetDevice
 from .RippleAddress import RippleAddress