chore(legacy): add reset to bootloader protobuf message

common/protob/messages-management.proto

@@ -405,3 +405,11 @@ message PreauthorizedRequest {
  */
 message CancelAuthorization {
 }
+
+/**
+ * Request: Reboot firmware to bootloader
+ * @start
+ * Can't have response.
+ */
+message RebootToBootloader {
+}

common/protob/messages.proto

@@ -278,4 +278,6 @@ 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

@@ -301,6 +301,12 @@ 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