1 files changed, 0 insertions, 75 deletions
diff --git a/src/arch/riscv/include/arch/atomic.h b/src/arch/riscv/include/arch/atomic.h
deleted file mode 100644
index b3e5d24154..0000000000
--- a/src/arch/riscv/include/arch/atomic.h
+++ /dev/null
@@ -1,75 +0,0 @@
-// See LICENSE for license details.
-
-#ifndef _RISCV_ATOMIC_H
-#define _RISCV_ATOMIC_H
-
-#include <arch/encoding.h>
-
-typedef struct { volatile long val; } atomic_t;
-typedef struct { atomic_t lock; } spinlock_t;
-#define SPINLOCK_INIT {{0}}
-
-#define mb() __sync_synchronize()
-
-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 long atomic_add(atomic_t* a, long inc)
-{
-  long ret = atomic_read(a);
-  atomic_set(a, ret + inc);
-  return ret;
-}
-
-static inline long atomic_swap(atomic_t* a, long val)
-{
-  long ret = atomic_read(a);
-  atomic_set(a, val);
-  return ret;
-}
-
-static inline long atomic_cas(atomic_t* a, long compare, long swap)
-{
-  long ret = atomic_read(a);
-  if (ret == compare)
-    atomic_set(a, swap);
-  return ret;
-}
-
-static inline void spinlock_lock(spinlock_t* lock)
-{
-  do
-  {
-    while (atomic_read(&lock->lock))
-      ;
-  } while (atomic_swap(&lock->lock, -1));
-  mb();
-}
-
-static inline void spinlock_unlock(spinlock_t* lock)
-{
-  mb();
-  atomic_set(&lock->lock,0);
-}
-
-static inline long spinlock_lock_irqsave(spinlock_t* lock)
-{
-  long flags = clear_csr(status, SR_EI);
-  spinlock_lock(lock);
-  return flags;
-}
-
-static inline void spinlock_unlock_irqrestore(spinlock_t* lock, long flags)
-{
-  spinlock_unlock(lock);
-  set_csr(status, flags & SR_EI);
-}
-
-#endif