1 /*
2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_INLINE_HPP
27 #define OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_INLINE_HPP
28
29 #include "runtime/atomic.inline.hpp"
30 #include "runtime/orderAccess.hpp"
31 #include "runtime/os.hpp"
32 #include "vm_version_aarch64.hpp"
33
34 // Implementation of class OrderAccess.
35
36 inline void OrderAccess::loadload() { acquire(); }
37 inline void OrderAccess::storestore() { release(); }
38 inline void OrderAccess::loadstore() { acquire(); }
39 inline void OrderAccess::storeload() { fence(); }
40
41 inline void OrderAccess::acquire() {
42 READ_MEM_BARRIER;
43 }
44
45 inline void OrderAccess::release() {
46 WRITE_MEM_BARRIER;
47 }
48
49 inline void OrderAccess::fence() {
50 FULL_MEM_BARRIER;
51 }
52
53 inline jbyte OrderAccess::load_acquire(volatile jbyte* p)
54 { jbyte data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
55 inline jshort OrderAccess::load_acquire(volatile jshort* p)
56 { jshort data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
57 inline jint OrderAccess::load_acquire(volatile jint* p)
58 { jint data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
59 inline jlong OrderAccess::load_acquire(volatile jlong* p)
60 { jlong data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
61 inline jubyte OrderAccess::load_acquire(volatile jubyte* p)
62 { jubyte data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
63 inline jushort OrderAccess::load_acquire(volatile jushort* p)
64 { jushort data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
65 inline juint OrderAccess::load_acquire(volatile juint* p)
66 { juint data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
67 inline julong OrderAccess::load_acquire(volatile julong* p)
68 { julong data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
69 inline jfloat OrderAccess::load_acquire(volatile jfloat* p)
70 { jfloat data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
71 inline jdouble OrderAccess::load_acquire(volatile jdouble* p)
72 { jdouble data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
73 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p)
74 { intptr_t data; __atomic_load(p, &data, __ATOMIC_ACQUIRE); return data; }
75 inline void* OrderAccess::load_ptr_acquire(volatile void* p)
76 { void* data; __atomic_load((void* volatile *)p, &data, __ATOMIC_ACQUIRE); return data; }
77 inline void* OrderAccess::load_ptr_acquire(const volatile void* p)
78 { void* data; __atomic_load((void* const volatile *)p, &data, __ATOMIC_ACQUIRE); return data; }
79
80 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v)
81 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
82 inline void OrderAccess::release_store(volatile jshort* p, jshort v)
83 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
84 inline void OrderAccess::release_store(volatile jint* p, jint v)
85 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
86 inline void OrderAccess::release_store(volatile jlong* p, jlong v)
87 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
88 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v)
89 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
90 inline void OrderAccess::release_store(volatile jushort* p, jushort v)
91 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
92 inline void OrderAccess::release_store(volatile juint* p, juint v)
93 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
94 inline void OrderAccess::release_store(volatile julong* p, julong v)
95 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
96 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v)
97 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
98 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v)
99 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
100 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v)
101 { __atomic_store(p, &v, __ATOMIC_RELEASE); }
102 inline void OrderAccess::release_store_ptr(volatile void* p, void* v)
103 { __atomic_store((void* volatile *)p, &v, __ATOMIC_RELEASE); }
104
105 inline void OrderAccess::store_fence(jbyte* p, jbyte v)
106 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
107 inline void OrderAccess::store_fence(jshort* p, jshort v)
108 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
109 inline void OrderAccess::store_fence(jint* p, jint v)
110 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
111 inline void OrderAccess::store_fence(jlong* p, jlong v)
112 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
113 inline void OrderAccess::store_fence(jubyte* p, jubyte v)
114 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
115 inline void OrderAccess::store_fence(jushort* p, jushort v)
116 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
117 inline void OrderAccess::store_fence(juint* p, juint v)
118 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
119 inline void OrderAccess::store_fence(julong* p, julong v)
120 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
121 inline void OrderAccess::store_fence(jfloat* p, jfloat v)
122 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
123 inline void OrderAccess::store_fence(jdouble* p, jdouble v)
124 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
125 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v)
126 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
127 inline void OrderAccess::store_ptr_fence(void** p, void* v)
128 { __atomic_store(p, &v, __ATOMIC_RELAXED); fence(); }
129
130 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { release_store(p, v); fence(); }
131 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { release_store(p, v); fence(); }
132 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { release_store(p, v); fence(); }
133 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); }
134 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { release_store(p, v); fence(); }
135 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { release_store(p, v); fence(); }
136 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { release_store(p, v); fence(); }
137 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store(p, v); fence(); }
138 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { release_store(p, v); fence(); }
139 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { release_store(p, v); fence(); }
140
141 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { release_store_ptr(p, v); fence(); }
142 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { release_store_ptr(p, v); fence(); }
143
144 #endif // OS_CPU_LINUX_AARCH64_VM_ORDERACCESS_LINUX_AARCH64_INLINE_HPP