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annotate src/os_cpu/linux_zero/vm/orderAccess_linux_zero.inline.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 1010 | 1 /* |
| 1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| 1010 | 3 * Copyright 2007, 2008, 2009 Red Hat, Inc. |
| 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 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #ifndef OS_CPU_LINUX_ZERO_VM_ORDERACCESS_LINUX_ZERO_INLINE_HPP |
| 27 #define OS_CPU_LINUX_ZERO_VM_ORDERACCESS_LINUX_ZERO_INLINE_HPP | |
| 28 | |
| 29 #include "runtime/orderAccess.hpp" | |
| 30 #include "vm_version_zero.hpp" | |
| 31 | |
| 1010 | 32 #ifdef ARM |
| 33 | |
| 34 /* | |
| 35 * ARM Kernel helper for memory barrier. | |
| 36 * Using __asm __volatile ("":::"memory") does not work reliable on ARM | |
| 37 * and gcc __sync_synchronize(); implementation does not use the kernel | |
| 38 * helper for all gcc versions so it is unreliable to use as well. | |
| 39 */ | |
| 40 typedef void (__kernel_dmb_t) (void); | |
| 41 #define __kernel_dmb (*(__kernel_dmb_t *) 0xffff0fa0) | |
| 42 | |
| 43 #define FULL_MEM_BARRIER __kernel_dmb() | |
| 44 #define READ_MEM_BARRIER __kernel_dmb() | |
| 45 #define WRITE_MEM_BARRIER __kernel_dmb() | |
| 46 | |
| 47 #else // ARM | |
| 48 | |
| 49 #define FULL_MEM_BARRIER __sync_synchronize() | |
| 50 | |
| 51 #ifdef PPC | |
| 52 | |
| 53 #define READ_MEM_BARRIER __asm __volatile ("isync":::"memory") | |
| 54 #ifdef __NO_LWSYNC__ | |
| 55 #define WRITE_MEM_BARRIER __asm __volatile ("sync":::"memory") | |
| 56 #else | |
| 57 #define WRITE_MEM_BARRIER __asm __volatile ("lwsync":::"memory") | |
| 58 #endif | |
| 59 | |
| 60 #else // PPC | |
| 61 | |
| 62 #define READ_MEM_BARRIER __asm __volatile ("":::"memory") | |
| 63 #define WRITE_MEM_BARRIER __asm __volatile ("":::"memory") | |
| 64 | |
| 65 #endif // PPC | |
| 66 | |
| 67 #endif // ARM | |
| 68 | |
| 69 | |
| 70 inline void OrderAccess::loadload() { acquire(); } | |
| 71 inline void OrderAccess::storestore() { release(); } | |
| 72 inline void OrderAccess::loadstore() { acquire(); } | |
| 73 inline void OrderAccess::storeload() { fence(); } | |
| 74 | |
| 75 inline void OrderAccess::acquire() { | |
| 76 READ_MEM_BARRIER; | |
| 77 } | |
| 78 | |
| 79 inline void OrderAccess::release() { | |
| 80 WRITE_MEM_BARRIER; | |
| 81 } | |
| 82 | |
| 83 inline void OrderAccess::fence() { | |
| 84 FULL_MEM_BARRIER; | |
| 85 } | |
| 86 | |
| 87 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { jbyte data = *p; acquire(); return data; } | |
| 88 inline jshort OrderAccess::load_acquire(volatile jshort* p) { jshort data = *p; acquire(); return data; } | |
| 89 inline jint OrderAccess::load_acquire(volatile jint* p) { jint data = *p; acquire(); return data; } | |
| 90 inline jlong OrderAccess::load_acquire(volatile jlong* p) { | |
| 91 jlong tmp; | |
| 92 os::atomic_copy64(p, &tmp); | |
| 93 acquire(); | |
| 94 return tmp; | |
| 95 } | |
| 96 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { jubyte data = *p; acquire(); return data; } | |
| 97 inline jushort OrderAccess::load_acquire(volatile jushort* p) { jushort data = *p; acquire(); return data; } | |
| 98 inline juint OrderAccess::load_acquire(volatile juint* p) { juint data = *p; acquire(); return data; } | |
| 99 inline julong OrderAccess::load_acquire(volatile julong* p) { | |
| 100 julong tmp; | |
| 101 os::atomic_copy64(p, &tmp); | |
| 102 acquire(); | |
| 103 return tmp; | |
| 104 } | |
| 105 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { jfloat data = *p; acquire(); return data; } | |
| 106 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { | |
| 107 jdouble tmp; | |
| 108 os::atomic_copy64(p, &tmp); | |
| 109 acquire(); | |
| 110 return tmp; | |
| 111 } | |
| 112 | |
| 113 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { | |
| 114 intptr_t data = *p; | |
| 115 acquire(); | |
| 116 return data; | |
| 117 } | |
| 118 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { | |
| 119 void *data = *(void* volatile *)p; | |
| 120 acquire(); | |
| 121 return data; | |
| 122 } | |
| 123 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { | |
| 124 void *data = *(void* const volatile *)p; | |
| 125 acquire(); | |
| 126 return data; | |
| 127 } | |
| 128 | |
| 129 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { release(); *p = v; } | |
| 130 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { release(); *p = v; } | |
| 131 inline void OrderAccess::release_store(volatile jint* p, jint v) { release(); *p = v; } | |
| 132 inline void OrderAccess::release_store(volatile jlong* p, jlong v) | |
| 133 { release(); os::atomic_copy64(&v, p); } | |
| 134 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { release(); *p = v; } | |
| 135 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { release(); *p = v; } | |
| 136 inline void OrderAccess::release_store(volatile juint* p, juint v) { release(); *p = v; } | |
| 137 inline void OrderAccess::release_store(volatile julong* p, julong v) | |
| 138 { release(); os::atomic_copy64(&v, p); } | |
| 139 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { release(); *p = v; } | |
| 140 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) | |
| 141 { release(); os::atomic_copy64(&v, p); } | |
| 142 | |
| 143 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { release(); *p = v; } | |
| 144 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) | |
| 145 { release(); *(void* volatile *)p = v; } | |
| 146 | |
| 147 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); } | |
| 148 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); } | |
| 149 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); } | |
| 150 inline void OrderAccess::store_fence(jlong* p, jlong v) { os::atomic_copy64(&v, p); fence(); } | |
| 151 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); } | |
| 152 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); } | |
| 153 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); } | |
| 154 inline void OrderAccess::store_fence(julong* p, julong v) { os::atomic_copy64(&v, p); fence(); } | |
| 155 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); } | |
| 156 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { os::atomic_copy64(&v, p); fence(); } | |
| 157 | |
| 158 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); } | |
| 159 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); } | |
| 160 | |
| 161 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { release_store(p, v); fence(); } | |
| 162 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { release_store(p, v); fence(); } | |
| 163 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { release_store(p, v); fence(); } | |
| 164 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); } | |
| 165 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { release_store(p, v); fence(); } | |
| 166 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { release_store(p, v); fence(); } | |
| 167 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { release_store(p, v); fence(); } | |
| 168 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store(p, v); fence(); } | |
| 169 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { release_store(p, v); fence(); } | |
| 170 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { release_store(p, v); fence(); } | |
| 171 | |
| 172 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { release_store_ptr(p, v); fence(); } | |
| 173 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { release_store_ptr(p, v); fence(); } | |
| 1972 | 174 |
| 175 #endif // OS_CPU_LINUX_ZERO_VM_ORDERACCESS_LINUX_ZERO_INLINE_HPP |