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72 lines
No EOL
1.8 KiB
C++
72 lines
No EOL
1.8 KiB
C++
/**
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* Copyright (C) 2005-2012 Gekko Emulator
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*
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* @file atomic_gcc.h
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* @author ShizZy <shizzy247@gmail.com>
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* @date 2012-06-28
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* @brief Cross-platform atomic operations - GCC
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*
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* @section LICENSE
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details at
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* http://www.gnu.org/copyleft/gpl.html
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*
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* Official project repository can be found at:
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* http://code.google.com/p/gekko-gc-emu/
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*/
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#ifndef COMMON_ATOMIC_GCC_H_
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#define COMMON_ATOMIC_GCC_H_
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#include "types.h"
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namespace common {
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inline void AtomicAdd(volatile u32& target, u32 value) {
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__sync_add_and_fetch(&target, value);
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}
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inline void AtomicAnd(volatile u32& target, u32 value) {
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__sync_and_and_fetch(&target, value);
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}
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inline void AtomicDecrement(volatile u32& target) {
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__sync_add_and_fetch(&target, -1);
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}
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inline void AtomicIncrement(volatile u32& target) {
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__sync_add_and_fetch(&target, 1);
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}
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inline u32 AtomicLoad(volatile u32& src) {
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return src;
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}
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inline u32 AtomicLoadAcquire(volatile u32& src) {
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u32 result = src;
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__asm__ __volatile__ ( "":::"memory" );
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return result;
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}
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inline void AtomicOr(volatile u32& target, u32 value) {
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__sync_or_and_fetch(&target, value);
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}
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inline void AtomicStore(volatile u32& dest, u32 value) {
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dest = value;
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}
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inline void AtomicStoreRelease(volatile u32& dest, u32 value) {
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__sync_lock_test_and_set(&dest, value);
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}
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} // namespace
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#endif // COMMON_ATOMIC_GCC_H_
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