From b3e1507bcff974167a34ca78382ac85b5e66b890 Mon Sep 17 00:00:00 2001
From: shaojinchun <shaojinchun@rt-thread.com>
Date: Wed, 12 Dec 2018 09:36:39 +0800
Subject: [PATCH] 1 RT_THREAD_CTRL_BIND_CPU define to 4 2
 RTM_EXPORT(rt_cpus_lock_status_restore) 3 sync ARCH_CPU_STACK_GROWS_UPWARD in
 _rt_scheduler_stack_check()

---
 include/rtdef.h | 2 +-
 src/cpu.c       | 2 +-
 src/scheduler.c | 8 ++++++++
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/rtdef.h b/include/rtdef.h
index 253ec36968..6d5263ef62 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -500,7 +500,7 @@ typedef siginfo_t rt_siginfo_t;
 #define RT_THREAD_CTRL_CLOSE            0x01                /**< Close thread. */
 #define RT_THREAD_CTRL_CHANGE_PRIORITY  0x02                /**< Change thread priority. */
 #define RT_THREAD_CTRL_INFO             0x03                /**< Get thread information. */
-#define RT_THREAD_CTRL_BIND_CPU         0x03                /**< Set thread bind cpu. */
+#define RT_THREAD_CTRL_BIND_CPU         0x04                /**< Set thread bind cpu. */
 
 #ifdef RT_USING_SMP
 
diff --git a/src/cpu.c b/src/cpu.c
index ef6dce1787..3e2d65dfb9 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -86,6 +86,6 @@ void rt_cpus_lock_status_restore(struct rt_thread *thread)
         rt_hw_spin_unlock(&_cpus_lock);
     }
 }
-RTM_EXPORT(rt_post_switch);
+RTM_EXPORT(rt_cpus_lock_status_restore);
 
 #endif
diff --git a/src/scheduler.c b/src/scheduler.c
index e177bde6b7..aafa1f4529 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -99,11 +99,19 @@ static void _rt_scheduler_stack_check(struct rt_thread *thread)
         level = rt_hw_interrupt_disable();
         while (level);
     }
+#if defined(ARCH_CPU_STACK_GROWS_UPWARD)
+    else if ((rt_ubase_t)thread->sp > ((rt_ubase_t)thread->stack_addr + thread->stack_size))
+    {
+        rt_kprintf("warning: %s stack is close to the top of stack address.\n",
+                   thread->name);
+    }
+#else
     else if ((rt_ubase_t)thread->sp <= ((rt_ubase_t)thread->stack_addr + 32))
     {
         rt_kprintf("warning: %s stack is close to end of stack address.\n",
                    thread->name);
     }
+#endif
 }
 #endif