[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/include/kernel/semaphore.h b/src/bsp/lk/include/kernel/semaphore.h
new file mode 100644
index 0000000..99d9a20
--- /dev/null
+++ b/src/bsp/lk/include/kernel/semaphore.h
@@ -0,0 +1,49 @@
+/* semaphore.h
+ *
+ * Copyright 2012 Christopher Anderson <chris@nullcode.org>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __KERNEL_SEMAPHORE_H
+#define __KERNEL_SEMAPHORE_H
+
+#include <compiler.h>
+#include <kernel/thread.h>
+#include <kernel/mutex.h>
+
+__BEGIN_CDECLS;
+
+#define SEMAPHORE_MAGIC 'sema'
+
+typedef struct semaphore {
+ int magic;
+ int count;
+ wait_queue_t wait;
+} semaphore_t;
+
+#define SEMAPHORE_INITIAL_VALUE(s, _count) \
+{ \
+ .magic = SEMAPHORE_MAGIC, \
+ .count = _count, \
+ .wait = WAIT_QUEUE_INITIAL_VALUE((s).wait), \
+}
+
+void sem_init(semaphore_t *, unsigned int);
+void sem_destroy(semaphore_t *);
+int sem_post(semaphore_t *, bool resched);
+status_t sem_wait(semaphore_t *);
+status_t sem_trywait(semaphore_t *);
+status_t sem_timedwait(semaphore_t *, lk_time_t);
+
+__END_CDECLS;
+#endif