1 /* 2 * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 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 # include "incls/_precompiled.incl" 26 # include "incls/_vm_version_sparc.cpp.incl" 27 28 int VM_Version::_features = VM_Version::unknown_m; 29 const char* VM_Version::_features_str = ""; 30 31 bool VM_Version::is_niagara1_plus() { 32 // This is a placeholder until the real test is determined. 33 return is_niagara1() && 34 (os::processor_count() > maximum_niagara1_processor_count()); 35 } 36 37 void VM_Version::initialize() { 38 _features = determine_features(); 39 PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes(); 40 PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes(); 41 PrefetchFieldsAhead = prefetch_fields_ahead(); 42 43 // Allocation prefetch settings 44 intx cache_line_size = L1_data_cache_line_size(); 45 if( cache_line_size > AllocatePrefetchStepSize ) 46 AllocatePrefetchStepSize = cache_line_size; | 1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 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 #include "precompiled.hpp" 26 #include "assembler_sparc.inline.hpp" 27 #include "memory/resourceArea.hpp" 28 #include "runtime/java.hpp" 29 #include "runtime/stubCodeGenerator.hpp" 30 #include "vm_version_sparc.hpp" 31 #ifdef TARGET_OS_FAMILY_linux 32 # include "os_linux.inline.hpp" 33 #endif 34 #ifdef TARGET_OS_FAMILY_solaris 35 # include "os_solaris.inline.hpp" 36 #endif 37 #ifdef TARGET_OS_FAMILY_windows 38 # include "os_windows.inline.hpp" 39 #endif 40 41 int VM_Version::_features = VM_Version::unknown_m; 42 const char* VM_Version::_features_str = ""; 43 44 bool VM_Version::is_niagara1_plus() { 45 // This is a placeholder until the real test is determined. 46 return is_niagara1() && 47 (os::processor_count() > maximum_niagara1_processor_count()); 48 } 49 50 void VM_Version::initialize() { 51 _features = determine_features(); 52 PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes(); 53 PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes(); 54 PrefetchFieldsAhead = prefetch_fields_ahead(); 55 56 // Allocation prefetch settings 57 intx cache_line_size = L1_data_cache_line_size(); 58 if( cache_line_size > AllocatePrefetchStepSize ) 59 AllocatePrefetchStepSize = cache_line_size; |