From fc6bc1ad398d5fa2085320cab6cc33905f5f943d Mon Sep 17 00:00:00 2001
From: shaojinchun <shaojinchun@rt-thread.com>
Date: Thu, 22 Nov 2018 14:40:43 +0800
Subject: Add smp support to RT-Thread 4.0

---
 src/clock.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/clock.c')

diff --git a/src/clock.c b/src/clock.c
index 651465e0a8..1bedb4e06a 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -12,12 +12,17 @@
  * 2010-05-20     Bernard      fix the tick exceeds the maximum limits
  * 2010-07-13     Bernard      fix rt_tick_from_millisecond issue found by kuronca
  * 2011-06-26     Bernard      add rt_tick_set function.
+ * 2018-11-22     Jesven       add per cpu tick
  */
 
 #include <rthw.h>
 #include <rtthread.h>
 
+#ifdef RT_USING_SMP
+#define rt_tick rt_cpu_index(0)->tick
+#else
 static rt_tick_t rt_tick = 0;
+#endif
 
 extern void rt_timer_check(void);
 
@@ -71,7 +76,11 @@ void rt_tick_increase(void)
     struct rt_thread *thread;
 
     /* increase the global tick */
+#ifdef RT_USING_SMP
+    rt_cpu_self()->tick ++;
+#else
     ++ rt_tick;
+#endif
 
     /* check time slice */
     thread = rt_thread_self();
-- 
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