新增所有文件

devices/include/spinlock.h

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+/**
+ * @brief spinlock.h
+ *
+ * Copyright (c) 2020 Semidrive Semiconductor.
+ * All rights reserved.
+ *
+ * Description: spinlock interface.
+ *
+ * Revision History:
+ * -----------------
+ */
+
+#ifndef _INCLUDE_SPINLOCK_H_
+#define _INCLUDE_SPINLOCK_H_
+
+#ifndef ASSEMBLY
+
+#include <armv7-r/spinlock.h>
+#include <armv7-r/irq.h>
+
+__BEGIN_CDECLS
+
+/**
+ * @brief spinlock init.
+ *
+ * @param[in] spinlock spinlock address.
+ */
+static inline void spin_lock_init(spin_lock_t *spinlock)
+{
+    arch_spin_lock_init(spinlock);
+}
+
+/**
+ * @brief spin lock.
+ *
+ * @param[in] spinlock spinlock address.
+ */
+static inline void spin_lock(spin_lock_t *spinlock)
+{
+    arch_spin_lock(spinlock);
+}
+
+/**
+ * @brief spin trylock.
+ *
+ * @param[in] spinlock spinlock address.
+ * @return try lock result.
+ */
+static inline int spin_trylock(spin_lock_t *spinlock)
+{
+    return arch_spin_trylock(spinlock);
+}
+
+/**
+ * @brief spin unlock.
+ *
+ * @param[in] spinlock spinlock address.
+ */
+static inline void spin_unlock(spin_lock_t *spinlock)
+{
+    arch_spin_unlock(spinlock);
+}
+
+/**
+ * @brief spin lock with irq save
+ *
+ * @param[in] spinlock spinlock address.
+ * @return old irq state.
+ */
+static inline irq_state_t spin_lock_irqsave(spin_lock_t *spinlock)
+{
+    irq_state_t state = arch_irq_save();
+    spin_lock(spinlock);
+    return state;
+}
+
+/**
+ * @brief spin unlock with irq restore
+ *
+ * @param[in] spinlock spinlock address.
+ * @param[in] state old irq state.
+ */
+static inline void spin_unlock_irqrestore(spin_lock_t *spinlock, irq_state_t state)
+{
+    spin_unlock(spinlock);
+    arch_irq_restore(state);
+}
+
+__END_CDECLS
+
+#endif
+
+#endif