diff --git a/components/libc/newlib/libc.c b/components/libc/newlib/libc.c
index 477ee4450410e91340ebcd2763c168b8291f6a32..90b0b7f2ee027bcfb57d469bd169be9564ea9359 100644
--- a/components/libc/newlib/libc.c
+++ b/components/libc/newlib/libc.c
@@ -2,6 +2,27 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <fcntl.h>
+#include <sys/time.h>
+
+struct timeval _timevalue;
+static void libc_system_time_init()
+{
+    rt_device_t device;
+    time_t time;
+    rt_tick_t tick;
+
+    time = 0; tick = 0;
+    device = rt_device_find("rtc");
+    if (device != RT_NULL)
+    {
+        rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);
+    }
+
+    tick = rt_tick_get();
+
+    _timevalue.tv_sec = time;
+    _timevalue.tv_usec = (1000000UL * tick)/RT_TICK_PER_SECOND;
+}
 
 void libc_system_init(const char* tty_name)
 {
@@ -20,3 +41,11 @@ void libc_system_init(const char* tty_name)
 	putenv("HOME=/");
 }
 
+int libc_time_to_tick(const struct timespec *time)
+{
+	int tick;
+
+	tick = RT_WAITING_FOREVER;
+
+	return tick;
+}
diff --git a/components/libc/newlib/libc.h b/components/libc/newlib/libc.h
index b21a7264b385cc465b3dd8b192cd04fe05adbabb..60a86e49a6d7ac268e55337a0e1bb6080a7d0ee3 100644
--- a/components/libc/newlib/libc.h
+++ b/components/libc/newlib/libc.h
@@ -2,5 +2,6 @@
 #define __RTT_LIBC_H__
 
 void libc_system_init(const char* tty_name);
+int libc_time_to_tick(const struct timespec *time);
 
 #endif