aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/common/src/atomic_gcc.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/common/src/atomic_gcc.h')
-rw-r--r--src/common/src/atomic_gcc.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/common/src/atomic_gcc.h b/src/common/src/atomic_gcc.h
new file mode 100644
index 00000000..66092656
--- /dev/null
+++ b/src/common/src/atomic_gcc.h
@@ -0,0 +1,72 @@
+/**
+ * Copyright (C) 2005-2012 Gekko Emulator
+ *
+ * @file atomic_gcc.h
+ * @author ShizZy <shizzy247@gmail.com>
+ * @date 2012-06-28
+ * @brief Cross-platform atomic operations - GCC
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#ifndef COMMON_ATOMIC_GCC_H_
+#define COMMON_ATOMIC_GCC_H_
+
+#include "types.h"
+
+namespace common {
+
+inline void AtomicAdd(volatile u32& target, u32 value) {
+ __sync_add_and_fetch(&target, value);
+}
+
+inline void AtomicAnd(volatile u32& target, u32 value) {
+ __sync_and_and_fetch(&target, value);
+}
+
+inline void AtomicDecrement(volatile u32& target) {
+ __sync_add_and_fetch(&target, -1);
+}
+
+inline void AtomicIncrement(volatile u32& target) {
+ __sync_add_and_fetch(&target, 1);
+}
+
+inline u32 AtomicLoad(volatile u32& src) {
+ return src;
+}
+
+inline u32 AtomicLoadAcquire(volatile u32& src) {
+ u32 result = src;
+ __asm__ __volatile__ ( "":::"memory" );
+ return result;
+}
+
+inline void AtomicOr(volatile u32& target, u32 value) {
+ __sync_or_and_fetch(&target, value);
+}
+
+inline void AtomicStore(volatile u32& dest, u32 value) {
+ dest = value;
+}
+
+inline void AtomicStoreRelease(volatile u32& dest, u32 value) {
+ __sync_lock_test_and_set(&dest, value);
+}
+
+} // namespace
+
+#endif // COMMON_ATOMIC_GCC_H_ \ No newline at end of file