From baaaf65eaaeed7d7db56985c5093d4d07966afad Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Sun, 13 Apr 2014 09:46:58 +0300
Subject: [PATCH 1/2] modsys: Implement basic sys.version_info.

---
 py/modsys.c   | 6 ++++++
 py/qstrdefs.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/py/modsys.c b/py/modsys.c
index 59539b3b90..1411c964dd 100644
--- a/py/modsys.c
+++ b/py/modsys.c
@@ -5,6 +5,7 @@
 #include "builtin.h"
 #include "runtime.h"
 #include "objlist.h"
+#include "objtuple.h"
 
 #if MICROPY_ENABLE_MOD_SYS
 
@@ -17,11 +18,16 @@ extern struct _dummy_t mp_sys_stderr_obj;
 
 mp_obj_list_t mp_sys_path_obj;
 mp_obj_list_t mp_sys_argv_obj;
+#define I(n) MP_OBJ_NEW_SMALL_INT(n)
+// TODO: CPython is now at 5-element array, but save 2 els so far...
+STATIC const mp_obj_tuple_t mp_sys_version_info_obj = {{&mp_type_tuple}, 3, {I(3), I(3), I(5)}};
+#undef I
 
 STATIC const mp_map_elem_t mp_module_sys_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_sys) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_path), (mp_obj_t)&mp_sys_path_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_argv), (mp_obj_t)&mp_sys_argv_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_version_info), (mp_obj_t)&mp_sys_version_info_obj },
 
 #if MICROPY_MOD_SYS_STDFILES
     { MP_OBJ_NEW_QSTR(MP_QSTR_stdin), (mp_obj_t)&mp_sys_stdin_obj },
diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index b332e22fa2..ad44f84fe9 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -276,4 +276,5 @@ Q(argv)
 Q(stdin)
 Q(stdout)
 Q(stderr)
+Q(version_info)
 #endif

From 978d2c02672ef222a7409798ecfc15081212e3f7 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Sun, 13 Apr 2014 09:53:52 +0300
Subject: [PATCH 2/2] modsys: Implement sys.byteorder.

---
 py/modsys.c   | 5 +++++
 py/qstrdefs.h | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/py/modsys.c b/py/modsys.c
index 1411c964dd..10efd6004d 100644
--- a/py/modsys.c
+++ b/py/modsys.c
@@ -28,6 +28,11 @@ STATIC const mp_map_elem_t mp_module_sys_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR_path), (mp_obj_t)&mp_sys_path_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_argv), (mp_obj_t)&mp_sys_argv_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_version_info), (mp_obj_t)&mp_sys_version_info_obj },
+#if MP_ENDIANNESS_LITTLE
+    { MP_OBJ_NEW_QSTR(MP_QSTR_byteorder), MP_OBJ_NEW_QSTR(MP_QSTR_little) },
+#else
+    { MP_OBJ_NEW_QSTR(MP_QSTR_byteorder), MP_OBJ_NEW_QSTR(MP_QSTR_big) },
+#endif
 
 #if MICROPY_MOD_SYS_STDFILES
     { MP_OBJ_NEW_QSTR(MP_QSTR_stdin), (mp_obj_t)&mp_sys_stdin_obj },
diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index ad44f84fe9..a08af5a5ed 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -273,6 +273,9 @@ Q(utf-8)
 
 #if MICROPY_ENABLE_MOD_SYS
 Q(argv)
+Q(byteorder)
+Q(big)
+Q(little)
 Q(stdin)
 Q(stdout)
 Q(stderr)