feat(core): remove connect to host dialog in the bootloader

core/embed/bootloader/main.c

@@ -246,8 +246,6 @@ int main(void) {
   check_bootloader_version();
 #endif
 
-main_start:
-
   display_clear();
 
   // delay to detect touch
@@ -262,6 +260,7 @@ main_start:
 
   vendor_header vhdr;
   image_header hdr;
+  secbool stay_in_bootloader = sectrue;  // flag to stay in bootloader
 
   // detect whether the devices contains a valid firmware
 
@@ -309,48 +308,19 @@ main_start:
     if (bootloader_usb_loop(NULL, NULL) != sectrue) {
       return 1;
     }
-  } else
-      // ... or if user touched the screen on start
-      if (touched) {
-    // show firmware info with connect buttons
-
-    // no ui_fadeout(); - we already start from black screen
-    ui_screen_info(sectrue, &vhdr, &hdr);
-    ui_fadein();
-
-    for (;;) {
-      int response = ui_user_input(INPUT_CONFIRM | INPUT_CANCEL | INPUT_INFO);
-      ui_fadeout();
-
-      // if cancel was pressed -> restart
-      if (INPUT_CANCEL == response) {
-        goto main_start;
-      }
-
-      // if confirm was pressed -> jump out
-      if (INPUT_CONFIRM == response) {
-        // show firmware info without connect buttons
-        ui_screen_info(secfalse, &vhdr, &hdr);
-        ui_fadein();
-        break;
+  } else {
+    // ... or if user touched the screen on start
+    // ... or we have stay_in_bootloader flag to force it
+    if (touched || stay_in_bootloader == sectrue) {
+
+      // no ui_fadeout(); - we already start from black screen
+      ui_screen_info(secfalse, &vhdr, &hdr);
+      ui_fadein();
+
+      // and start the usb loop
+      if (bootloader_usb_loop(&vhdr, &hdr) != sectrue) {
+        return 1;
       }
-
-      // if info icon was pressed -> show fingerprint
-      if (INPUT_INFO == response) {
-        // show fingerprint
-        ui_screen_info_fingerprint(&hdr);
-        ui_fadein();
-        while (INPUT_LONG_CONFIRM != ui_user_input(INPUT_LONG_CONFIRM)) {
-        }
-        ui_fadeout();
-        ui_screen_info(sectrue, &vhdr, &hdr);
-        ui_fadein();
-      }
-    }
-
-    // and start the usb loop
-    if (bootloader_usb_loop(&vhdr, &hdr) != sectrue) {
-      return 1;
     }
   }