1/* 2 * Copyright 2014, Pawe�� Dziepak, pdziepak@quarnos.org. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Alexander von Gluck IV <kallisti5@unixzen.com> 7 */ 8#ifndef _KERNEL_ARCH_PPC_ATOMIC_H 9#define _KERNEL_ARCH_PPC_ATOMIC_H 10 11 12static inline void 13memory_read_barrier_inline(void) 14{ 15 #ifdef __powerpc64__ 16 asm volatile("lwsync" : : : "memory"); 17 #else 18 asm volatile("sync" : : : "memory"); 19 #endif 20} 21 22 23static inline void 24memory_write_barrier_inline(void) 25{ 26 #ifdef __powerpc64__ 27 asm volatile("lwsync" : : : "memory"); 28 #else 29 asm volatile("eieio" : : : "memory"); 30 #endif 31} 32 33 34static inline void 35memory_full_barrier_inline(void) 36{ 37 asm volatile("sync" : : : "memory"); 38} 39 40 41#define memory_read_barrier memory_read_barrier_inline 42#define memory_write_barrier memory_write_barrier_inline 43#define memory_full_barrier memory_full_barrier_inline 44 45 46#endif // _KERNEL_ARCH_PPC_ATOMIC_H 47