初版

loader/ble_ota_update/include_lib/system/spinlock.h

@@ -0,0 +1,76 @@
+#ifndef SYS_SPINLOCK_H
+#define SYS_SPINLOCK_H
+
+#include "typedef.h"
+//#include "cpu.h"
+//#include "irq.h"
+
+struct __spinlock {
+    volatile u32 rwlock;
+};
+
+typedef struct __spinlock spinlock_t;
+
+extern void local_irq_disable(void);
+extern void local_irq_enable(void);
+
+
+#define preempt_disable() \
+	local_irq_disable()
+
+#define preempt_enable() \
+	local_irq_enable()
+
+
+#if CPU_CORE_NUM > 1
+
+#define spin_acquire(lock) 	\
+	do { \
+		arch_spin_lock(lock); \
+	}while(0)
+
+#define spin_release(lock) \
+	do { \
+		arch_spin_unlock(lock); \
+	}while(0)
+
+#else
+
+#define spin_acquire(lock) 	\
+	do { \
+	}while(0)
+
+
+#define spin_release(lock) \
+	do { \
+	}while(0)
+
+#endif
+
+
+#define DEFINE_SPINLOCK(x) \
+	spinlock_t x = { .rwlock = 0 }
+
+
+static inline void spin_lock_init(spinlock_t *lock)
+{
+    lock->rwlock = 0;
+}
+
+static inline void spin_lock(spinlock_t *lock)
+{
+    preempt_disable();
+    spin_acquire(lock);
+}
+
+
+static inline void spin_unlock(spinlock_t *lock)
+{
+    spin_release(lock);
+    preempt_enable();
+}
+
+#endif
+
+
+