1 files changed, 9 insertions, 0 deletions
diff --git a/py/runtime.c b/py/runtime.c
index 48416bab2..cb174837c 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -29,10 +29,12 @@
 #include <string.h>
 #include <assert.h>
 
+
 #include "extmod/vfs.h"
 
 #include "py/parsenum.h"
 #include "py/compile.h"
+#include "py/mperrno.h"
 #include "py/objstr.h"
 #include "py/objtuple.h"
 #include "py/objtype.h"
@@ -1576,6 +1578,13 @@ NORETURN void mp_raise_OSError_msg(const compressed_string_t *msg) {
     mp_raise_msg(&mp_type_OSError, msg);
 }
 
+NORETURN void mp_raise_OSError_errno_str(int errno_, const char *str) {
+    char decompressed[50];
+    const char *errno_str = mp_common_errno_to_str(MP_OBJ_NEW_SMALL_INT(errno_),
+                                                   decompressed, sizeof(decompressed));
+    mp_raise_OSError_msg_varg(translate("[Errno %d] %s: %s"), errno_, errno_str, str);
+}
+
 NORETURN void mp_raise_OSError_msg_varg(const compressed_string_t *fmt, ...) {
     va_list argptr;
     va_start(argptr,fmt);