1 files changed, 0 insertions, 45 deletions
diff --git a/pk/atomic.h b/pk/atomic.h
deleted file mode 100644
index 88bb239..0000000
--- a/pk/atomic.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#ifndef _RISCV_ATOMIC_H
-#define _RISCV_ATOMIC_H
-
-typedef struct { long val; } atomic_t;
-typedef struct { atomic_t lock; } spinlock_t;
-#define SPINLOCK_INIT {{0}}
-
-static inline long atomic_add(atomic_t* a, long inc)
-{
-  //return __sync_fetch_and_add(&a->val, inc);
-  long ret = a->val;
-  a->val++;
-  return ret;
-}
-
-static inline long atomic_swap(atomic_t* a, long val)
-{
-  //return __sync_lock_test_and_set(&a->val, val);
-  long reg = a->val;
-  a->val = val;
-  return reg;
-}
-
-static inline void atomic_set(atomic_t* a, long val)
-{
-  a->val = val;
-}
-
-static inline long atomic_read(atomic_t* a)
-{
-  return a->val;
-}
-
-static inline void spinlock_lock(spinlock_t* lock)
-{
-  while(atomic_read(&lock->lock))
-    while(atomic_swap(&lock->lock,-1));
-}
-
-static inline void spinlock_unlock(spinlock_t* lock)
-{
-  atomic_set(&lock->lock,0);
-}
-
-#endif