G60/G61 Position Save/Restore (#16557)

Marlin/src/module/motion.cpp

@@ -109,9 +109,15 @@ xyze_pos_t current_position = { X_HOME_POS, Y_HOME_POS, Z_HOME_POS };
  */
 xyze_pos_t destination; // {0}
 
+// G60/G61 Position Save and Return
+#if SAVED_POSITIONS
+  uint8_t saved_slots;
+  xyz_pos_t stored_position[SAVED_POSITIONS];
+#endif
+
 // The active extruder (tool). Set with T<extruder> command.
 #if EXTRUDERS > 1
-  uint8_t active_extruder; // = 0
+  uint8_t active_extruder = 0; // = 0
 #endif
 
 #if ENABLED(LCD_SHOW_E_TOTAL)

Marlin/src/module/motion.h

@@ -65,6 +65,12 @@ extern bool relative_mode;
 extern xyze_pos_t current_position,  // High-level current tool position
                   destination;       // Destination for a move
 
+// G60/G61 Position Save and Return
+#if SAVED_POSITIONS
+  extern uint8_t saved_slots;
+  extern xyz_pos_t stored_position[SAVED_POSITIONS];
+#endif
+
 // Scratch space for a cartesian result
 extern xyz_pos_t cartes;