author | eosterlund |
Mon, 09 Oct 2017 14:39:59 +0200 | |
changeset 47609 | a1f68e415b48 |
parent 47216 | 71c04702a3d5 |
child 49364 | 601146c66cad |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. |
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* Copyright (c) 2014, Red Hat Inc. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_INLINE_HPP |
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#define OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_INLINE_HPP |
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||
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#include "runtime/atomic.hpp" |
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#include "runtime/orderAccess.hpp" |
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#include "runtime/os.hpp" |
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#include "vm_version_aarch64.hpp" |
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// Implementation of class OrderAccess. |
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inline void OrderAccess::loadload() { acquire(); } |
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inline void OrderAccess::storestore() { release(); } |
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inline void OrderAccess::loadstore() { acquire(); } |
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inline void OrderAccess::storeload() { fence(); } |
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inline void OrderAccess::acquire() { |
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READ_MEM_BARRIER; |
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} |
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inline void OrderAccess::release() { |
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WRITE_MEM_BARRIER; |
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} |
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inline void OrderAccess::fence() { |
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FULL_MEM_BARRIER; |
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} |
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template<size_t byte_size> |
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struct OrderAccess::PlatformOrderedLoad<byte_size, X_ACQUIRE> |
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VALUE_OBJ_CLASS_SPEC |
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{ |
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template <typename T> |
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T operator()(const volatile T* p) const { T data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; } |
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}; |
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template<size_t byte_size> |
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struct OrderAccess::PlatformOrderedStore<byte_size, RELEASE_X> |
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VALUE_OBJ_CLASS_SPEC |
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{ |
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template <typename T> |
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void operator()(T v, volatile T* p) const { __atomic_store(p, &v, __ATOMIC_RELEASE); } |
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}; |
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template<size_t byte_size> |
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struct OrderAccess::PlatformOrderedStore<byte_size, RELEASE_X_FENCE> |
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VALUE_OBJ_CLASS_SPEC |
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{ |
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template <typename T> |
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void operator()(T v, volatile T* p) const { release_store(p, v); fence(); } |
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}; |
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#endif // OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_INLINE_HPP |