1 /* 2 * Copyright (c) 2013, 2018, 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 "jvm.h" 26 #include "memory/allocation.hpp" 27 #include "memory/allocation.inline.hpp" 28 #include "vm_version_ext_s390.hpp" 29 30 // VM_Version_Ext statics 31 int VM_Version_Ext::_no_of_threads = 0; 32 int VM_Version_Ext::_no_of_cores = 0; 33 int VM_Version_Ext::_no_of_sockets = 0; 34 char VM_Version_Ext::_cpu_name[CPU_TYPE_DESC_BUF_SIZE] = {0}; 35 char VM_Version_Ext::_cpu_desc[CPU_DETAILED_DESC_BUF_SIZE] = {0}; 36 37 // get cpu information. 38 bool VM_Version_Ext::initialize_cpu_information(void) { 39 // Not yet implemented. 40 return false; 41 } 42 43 int VM_Version_Ext::number_of_threads(void) { 44 initialize_cpu_information(); 45 return _no_of_threads; 46 } 47 48 int VM_Version_Ext::number_of_cores(void) { 49 initialize_cpu_information(); 50 return _no_of_cores; 51 } 52 53 int VM_Version_Ext::number_of_sockets(void) { 54 initialize_cpu_information(); 55 return _no_of_sockets; 56 } 57 58 const char* VM_Version_Ext::cpu_name(void) { 59 if (!initialize_cpu_information()) { 60 return NULL; 61 } 62 char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_TYPE_DESC_BUF_SIZE, mtTracing); 63 if (NULL == tmp) { 64 return NULL; 65 } 66 strncpy(tmp, _cpu_name, CPU_TYPE_DESC_BUF_SIZE); 67 return tmp; 68 } 69 70 const char* VM_Version_Ext::cpu_description(void) { 71 if (!initialize_cpu_information()) { 72 return NULL; 73 } 74 char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_DETAILED_DESC_BUF_SIZE, mtTracing); 75 if (NULL == tmp) { 76 return NULL; 77 } 78 strncpy(tmp, _cpu_desc, CPU_DETAILED_DESC_BUF_SIZE); 79 return tmp; 80 }