diff --git a/libraries/AP_HAL_ChibiOS/hwdef/common/malloc.c b/libraries/AP_HAL_ChibiOS/hwdef/common/malloc.c
index b193ec3b8d..2a1dcf9860 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/common/malloc.c
+++ b/libraries/AP_HAL_ChibiOS/hwdef/common/malloc.c
@@ -536,3 +536,25 @@ void* get_addr_mem_region_end_addr(void *addr)
     }
     return 0;
 }
+
+/*
+  alloction functions for newlib
+ */
+void *__wrap__calloc_r(void *rptr, size_t nmemb, size_t size)
+{
+    (void)rptr;
+    return calloc(nmemb, size);
+}
+
+void *__wrap__malloc_r(void *rptr, size_t size)
+{
+    (void)rptr;
+    // we want consistent zero memory
+    return calloc(1, size);
+}
+
+void __wrap__free_r(void *rptr, void *ptr)
+{
+    (void)rptr;
+    return free(ptr);
+}