1 files changed, 43 insertions, 44 deletions

diff --git a/src/cpu.c b/src/cpu.c
index f6f210eda8..96e585713b 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -7,9 +7,8 @@
  * Date           Author       Notes
  * 2018-10-30     Bernard      The first version
  */
-
-#include <rtthread.h>
 #include <rthw.h>
+#include <rtthread.h>
 
 #ifdef RT_USING_SMP
 static struct rt_cpu rt_cpus[RT_CPUS_NR];
@@ -20,24 +19,24 @@ rt_hw_spinlock_t _cpus_lock;
  */
 static void rt_preempt_disable(void)
 {
-	register rt_base_t level;
-	struct rt_thread *current_thread;
+    register rt_base_t level;
+    struct rt_thread *current_thread;
 
-	/* disable interrupt */
-	level = rt_hw_local_irq_disable();
+    /* disable interrupt */
+    level = rt_hw_local_irq_disable();
 
-	current_thread = rt_thread_self();
-	if (!current_thread)
-	{
-		rt_hw_local_irq_enable(level);
-		return;
-	}
+    current_thread = rt_thread_self();
+    if (!current_thread)
+    {
+        rt_hw_local_irq_enable(level);
+        return;
+    }
 
-	/* lock scheduler for local cpu */
-	current_thread->scheduler_lock_nest ++;
+    /* lock scheduler for local cpu */
+    current_thread->scheduler_lock_nest ++;
 
-	/* enable interrupt */
-	rt_hw_local_irq_enable(level);
+    /* enable interrupt */
+    rt_hw_local_irq_enable(level);
 }
 
 /*
@@ -45,66 +44,66 @@ static void rt_preempt_disable(void)
  */
 static void rt_preempt_enable(void)
 {
-	register rt_base_t level;
-	struct rt_thread *current_thread;
+    register rt_base_t level;
+    struct rt_thread *current_thread;
 
-	/* disable interrupt */
-	level = rt_hw_local_irq_disable();
+    /* disable interrupt */
+    level = rt_hw_local_irq_disable();
 
-	current_thread = rt_thread_self();
-	if (!current_thread)
-	{
-		rt_hw_local_irq_enable(level);
-		return;
-	}
+    current_thread = rt_thread_self();
+    if (!current_thread)
+    {
+        rt_hw_local_irq_enable(level);
+        return;
+    }
 
-	/* unlock scheduler for local cpu */
-	current_thread->scheduler_lock_nest --;
+    /* unlock scheduler for local cpu */
+    current_thread->scheduler_lock_nest --;
 
-	rt_schedule();
-	/* enable interrupt */
-	rt_hw_local_irq_enable(level);
+    rt_schedule();
+    /* enable interrupt */
+    rt_hw_local_irq_enable(level);
 }
 
 void rt_spin_lock_init(struct rt_spinlock *lock)
 {
-	rt_hw_spin_lock_init(&lock->lock);
+    rt_hw_spin_lock_init(&lock->lock);
 }
 RTM_EXPORT(rt_spin_lock_init)
 
 void rt_spin_lock(struct rt_spinlock *lock)
 {
-	rt_preempt_disable();
-	rt_hw_spin_lock(&lock->lock);
+    rt_preempt_disable();
+    rt_hw_spin_lock(&lock->lock);
 }
 RTM_EXPORT(rt_spin_lock)
 
 void rt_spin_unlock(struct rt_spinlock *lock)
 {
-	rt_hw_spin_unlock(&lock->lock);
-	rt_preempt_enable();
+    rt_hw_spin_unlock(&lock->lock);
+    rt_preempt_enable();
 }
 RTM_EXPORT(rt_spin_unlock)
 
 rt_base_t rt_spin_lock_irqsave(struct rt_spinlock *lock)
 {
-	unsigned long level;
+    unsigned long level;
 
-	rt_preempt_disable();
+    rt_preempt_disable();
 
-	level = rt_hw_local_irq_disable();
-	rt_hw_spin_lock(&lock->lock);
+    level = rt_hw_local_irq_disable();
+    rt_hw_spin_lock(&lock->lock);
 
-	return level;
+    return level;
 }
 RTM_EXPORT(rt_spin_lock_irqsave)
 
 void rt_spin_unlock_irqrestore(struct rt_spinlock *lock, rt_base_t level)
 {
-	rt_hw_spin_unlock(&lock->lock);
-	rt_hw_local_irq_enable(level);
+    rt_hw_spin_unlock(&lock->lock);
+    rt_hw_local_irq_enable(level);
 
-	rt_preempt_enable();
+    rt_preempt_enable();
 }
 RTM_EXPORT(rt_spin_unlock_irqrestore)