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-rw-r--r--src/thread.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/thread.c b/src/thread.c
index 6d79ece54b..687852e92e 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -136,9 +136,15 @@ static rt_err_t _rt_thread_init(struct rt_thread *thread,
/* init thread stack */
rt_memset(thread->stack_addr, '#', thread->stack_size);
+#ifdef ARCH_CPU_STACK_GROWS_UPWARD
+ thread->sp = (void *)rt_hw_stack_init(thread->entry, thread->parameter,
+ (void *)((char *)thread->stack_addr),
+ (void *)rt_thread_exit);
+#else
thread->sp = (void *)rt_hw_stack_init(thread->entry, thread->parameter,
(void *)((char *)thread->stack_addr + thread->stack_size - 4),
(void *)rt_thread_exit);
+#endif
/* priority init */
RT_ASSERT(priority < RT_THREAD_PRIORITY_MAX);