py: Move definition of mp_sys_exit to core.

sys.exit always raises SystemExit so doesn't need a special
implementation for each port.  If C exit() is really needed, use the
standard os._exit function.

Also initialise mp_sys_path and mp_sys_argv in teensy port.

1 files changed, 3 insertions, 9 deletions

diff --git a/teensy/main.c b/teensy/main.c
index 8de26f25e8..3b2994c86f 100644
--- a/teensy/main.c
+++ b/teensy/main.c
@@ -269,6 +269,9 @@ soft_reset:
 
     // Micro Python init
     mp_init();
+    mp_obj_list_init(mp_sys_path, 0);
+    mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
+    mp_obj_list_init(mp_sys_argv, 0);
 
     readline_init0();
 
@@ -369,12 +372,3 @@ char * ultoa(unsigned long val, char *buf, int radix)
 	}
 	return buf;
 }
-
-STATIC NORETURN mp_obj_t mp_sys_exit(uint n_args, const mp_obj_t *args) {
-    int rc = 0;
-    if (n_args > 0) {
-        rc = mp_obj_get_int(args[0]);
-    }
-    nlr_raise(mp_obj_new_exception_arg1(&mp_type_SystemExit, mp_obj_new_int(rc)));
-}
-MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_sys_exit_obj, 0, 1, mp_sys_exit);