/*
 * Copyright 2014, Paweł Dziepak, pdziepak@quarnos.org.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Alexander von Gluck IV <kallisti5@unixzen.com>
 */
#ifndef _KERNEL_ARCH_PPC_ATOMIC_H
#define _KERNEL_ARCH_PPC_ATOMIC_H


static inline void
memory_read_barrier_inline(void)
{
        #ifdef __powerpc64__
        asm volatile("lwsync" : : : "memory");
        #else
        asm volatile("sync" : : : "memory");
        #endif
}


static inline void
memory_write_barrier_inline(void)
{
        #ifdef __powerpc64__
        asm volatile("lwsync" : : : "memory");
        #else
        asm volatile("eieio" : : : "memory");
        #endif
}


static inline void
memory_full_barrier_inline(void)
{
        asm volatile("sync" : : : "memory");
}


#define memory_read_barrier             memory_read_barrier_inline
#define memory_write_barrier    memory_write_barrier_inline
#define memory_full_barrier             memory_full_barrier_inline


#endif  // _KERNEL_ARCH_PPC_ATOMIC_H