annotate src/os_cpu/linux_sparc/vm/orderAccess_linux_sparc.inline.hpp @ 122:435e64505015

6693457: Open-source hotspot linux-sparc support Summary: Move os_cpu/linux_sparc from closed to open Reviewed-by: kamg
author phh
date Thu, 24 Apr 2008 15:07:57 -0400
parents
children d1605aabd0a1
rev   line source
phh@122 1 /*
phh@122 2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
phh@122 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
phh@122 4 *
phh@122 5 * This code is free software; you can redistribute it and/or modify it
phh@122 6 * under the terms of the GNU General Public License version 2 only, as
phh@122 7 * published by the Free Software Foundation.
phh@122 8 *
phh@122 9 * This code is distributed in the hope that it will be useful, but WITHOUT
phh@122 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
phh@122 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
phh@122 12 * version 2 for more details (a copy is included in the LICENSE file that
phh@122 13 * accompanied this code).
phh@122 14 *
phh@122 15 * You should have received a copy of the GNU General Public License version
phh@122 16 * 2 along with this work; if not, write to the Free Software Foundation,
phh@122 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
phh@122 18 *
phh@122 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
phh@122 20 * CA 95054 USA or visit www.sun.com if you need additional information or
phh@122 21 * have any questions.
phh@122 22 *
phh@122 23 */
phh@122 24
phh@122 25 // Implementation of class OrderAccess.
phh@122 26
phh@122 27 // Assume TSO.
phh@122 28
phh@122 29 inline void OrderAccess::loadload() { acquire(); }
phh@122 30 inline void OrderAccess::storestore() { release(); }
phh@122 31 inline void OrderAccess::loadstore() { acquire(); }
phh@122 32 inline void OrderAccess::storeload() { fence(); }
phh@122 33
phh@122 34 inline void OrderAccess::acquire() {
phh@122 35 __asm__ volatile ("nop" : : :);
phh@122 36 }
phh@122 37
phh@122 38 inline void OrderAccess::release() {
phh@122 39 jint* dummy = (jint*)&dummy;
phh@122 40 __asm__ volatile("stw %%g0, [%0]" : : "r" (dummy) : "memory");
phh@122 41 }
phh@122 42
phh@122 43 inline void OrderAccess::fence() {
phh@122 44 __asm__ volatile ("membar #StoreLoad" : : :);
phh@122 45 }
phh@122 46
phh@122 47 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
phh@122 48 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }
phh@122 49 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; }
phh@122 50 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; }
phh@122 51 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
phh@122 52 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
phh@122 53 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
phh@122 54 inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; }
phh@122 55 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
phh@122 56 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
phh@122 57
phh@122 58 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
phh@122 59 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
phh@122 60 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
phh@122 61
phh@122 62 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; }
phh@122 63 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; }
phh@122 64 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; }
phh@122 65 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; }
phh@122 66 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
phh@122 67 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
phh@122 68 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
phh@122 69 inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; }
phh@122 70 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
phh@122 71 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
phh@122 72
phh@122 73 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
phh@122 74 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
phh@122 75
phh@122 76 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
phh@122 77 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); }
phh@122 78 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); }
phh@122 79 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); }
phh@122 80 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); }
phh@122 81 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
phh@122 82 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); }
phh@122 83 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
phh@122 84 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
phh@122 85 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
phh@122 86
phh@122 87 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
phh@122 88 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
phh@122 89
phh@122 90 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
phh@122 91 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
phh@122 92 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
phh@122 93 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
phh@122 94 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
phh@122 95 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
phh@122 96 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
phh@122 97 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
phh@122 98 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
phh@122 99 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
phh@122 100
phh@122 101 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
phh@122 102 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }