kernel: add header files

include/kernel/locks.h

@@ -0,0 +1,25 @@
+#ifndef KERNEL_LOCKS_H_
+#define KERNEL_LOCKS_H_
+
+#include <kernel/compiler.h>
+#include <kernel/machine/hwlock.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef __aligned(8) ml_hwlock_t spin_lock_t;
+
+#define SPIN_LOCK_INIT ML_HWLOCK_INIT
+
+#define spin_lock(lck) ml_hwlock_lock(lck);
+#define spin_unlock(lck) ml_hwlock_unlock(lck);
+
+#define spin_lock_irqsave(lck, flags) ml_hwlock_lock_irqsave(lck, flags);
+#define spin_unlock_irqrestore(lck, flags) ml_hwlock_unlock_irqrestore(lck, flags);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif