From 69d7f39b232e46534c166b48b0575e6aa582f8e0 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Mon, 10 Apr 2017 19:43:07 +0200
Subject: [PATCH] modtrezorutils: call __fatal_error on stm

---
 micropython/extmod/modtrezorutils/modtrezorutils.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/micropython/extmod/modtrezorutils/modtrezorutils.c b/micropython/extmod/modtrezorutils/modtrezorutils.c
index fac083392c..f46c29a541 100644
--- a/micropython/extmod/modtrezorutils/modtrezorutils.c
+++ b/micropython/extmod/modtrezorutils/modtrezorutils.c
@@ -7,8 +7,12 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <stdint.h>
+
+#if defined STM32_HAL_H
+#include "common.h"
+#elif defined UNIX
 #include <stdlib.h>
+#endif
 
 #include "py/runtime.h"
 
@@ -66,8 +70,7 @@ STATIC mp_obj_t mod_TrezorUtils_halt(size_t n_args, const mp_obj_t *args) {
     }
     // TODO: is this the best we can do?
 #if defined STM32_HAL_H
-    // loop forever
-    for (;;) {}
+    __fatal_error("HALT");
 #elif defined UNIX
     exit(1);
 #else