diff --git a/simulat0r/firmware/usb/usbmsc.c b/simulat0r/firmware/usb/usbmsc.c
index d660d22..17799cb 100644
--- a/simulat0r/firmware/usb/usbmsc.c
+++ b/simulat0r/firmware/usb/usbmsc.c
@@ -1,2 +1,29 @@
 /* AUTOGENERATED SOURCE FILE */
+
+#define usbMSCWrite _hideaway_usbMSCWrite
+#define usbMSCRead _hideaway_usbMSCRead
+#define usbMSCInit _hideaway_usbMSCInit
+#define usbMSCOff _hideaway_usbMSCOff
 #include "../../../firmware/usb/usbmsc.c"
+#undef usbMSCWrite
+#undef usbMSCRead
+#undef usbMSCInit
+#undef usbMSCOff
+
+#include <stdio.h>
+
+void usbMSCWrite(uint32_t offset, uint8_t src[], uint32_t length) {
+  fprintf(stderr,"unimplemented: usbMSCWrite(offset=%d, src, length=%d)\n",offset,length);
+}
+    
+void usbMSCRead(uint32_t offset, uint8_t dst[], uint32_t length) {
+  fprintf(stderr,"unimplemented: usbMSCRead(offset=%d, dst, length=%d)\n",offset,length);
+}
+    
+void usbMSCInit(void) {
+  fprintf(stderr,"unimplemented: usbMSCInit(void)\n");
+}
+
+void usbMSCOff(void) {
+  fprintf(stderr,"unimplemented: usbMSCOff(void)\n");
+}