12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP 26 #define OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP 27 28 #include "runtime/orderAccess.hpp" 29 30 // Implementation of class OrderAccess. 31 32 // Assume TSO. 33 34 inline void OrderAccess::loadload() { acquire(); } 35 inline void OrderAccess::storestore() { release(); } 36 inline void OrderAccess::loadstore() { acquire(); } 37 inline void OrderAccess::storeload() { fence(); } 38 39 inline void OrderAccess::acquire() { 40 __asm__ volatile ("nop" : : :); 41 } 42 43 inline void OrderAccess::release() { 44 jint* local_dummy = (jint*)&local_dummy; 45 __asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory"); 46 } 47 48 inline void OrderAccess::fence() { 49 __asm__ volatile ("membar #StoreLoad" : : :); 50 } 51 52 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; } 53 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; } 54 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; } 55 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; } 56 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; } 57 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; } 58 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; } 59 inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; } 60 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; } 61 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; } 62 63 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; } 64 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; } 65 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; } 66 67 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; } 68 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; } 69 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; } 70 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; } 71 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; } 72 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; } 73 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; } 74 inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; } 75 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; } 76 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; } 77 78 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; } 79 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; } 80 81 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); } 82 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); } 83 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); } 84 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); } 85 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); } 86 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); } 87 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); } 88 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); } 89 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); } 90 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); } 91 92 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); } 93 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); } 94 95 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); } 96 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); } 97 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); } 98 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); } 99 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); } 100 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); } 101 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); } 102 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); } 103 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); } 104 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); } 105 106 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); } 107 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); } 108 109 #endif // OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP | 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP 26 #define OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP 27 28 #include "runtime/orderAccess.hpp" 29 30 // Implementation of class OrderAccess. 31 32 // A compiler barrier, forcing the C++ compiler to invalidate all memory assumptions 33 static inline void compiler_barrier() { 34 __asm__ volatile ("" : : : "memory"); 35 } 36 37 // Assume TSO. 38 39 inline void OrderAccess::loadload() { compiler_barrier(); } 40 inline void OrderAccess::storestore() { compiler_barrier(); } 41 inline void OrderAccess::loadstore() { compiler_barrier(); } 42 inline void OrderAccess::storeload() { fence(); } 43 44 inline void OrderAccess::acquire() { compiler_barrier(); } 45 inline void OrderAccess::release() { compiler_barrier(); } 46 47 inline void OrderAccess::fence() { 48 __asm__ volatile ("membar #StoreLoad" : : : "memory"); 49 } 50 51 #define VM_HAS_GENERALIZED_ORDER_ACCESS 1 52 53 #endif // OS_CPU_LINUX_SPARC_VM_ORDERACCESS_LINUX_SPARC_INLINE_HPP |