Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/mips/vm/vm_version_ext_mips.cpp
src/cpu/mips/vm/vm_version_ext_mips.cpp
- changeset 9933
- 0672fc1cf811
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| 9932:86ea9a02a717 | 9933:0672fc1cf811 |
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| 1 /* | |
| 2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. | |
| 3 * Copyright (c) 2018, 2020, Loongson Technology. All rights reserved. | |
| 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 * | |
| 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 21 * or visit www.oracle.com if you need additional information or have any | |
| 22 * questions. | |
| 23 * | |
| 24 */ | |
| 25 | |
| 26 #include "memory/allocation.inline.hpp" | |
| 27 #include "vm_version_ext_mips.hpp" | |
| 28 | |
| 29 // VM_Version_Ext statics | |
| 30 int VM_Version_Ext::_no_of_threads = 0; | |
| 31 int VM_Version_Ext::_no_of_cores = 0; | |
| 32 int VM_Version_Ext::_no_of_sockets = 0; | |
| 33 bool VM_Version_Ext::_initialized = false; | |
| 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 void VM_Version_Ext::initialize_cpu_information(void) { | |
| 38 // do nothing if cpu info has been initialized | |
| 39 if (_initialized) { | |
| 40 return; | |
| 41 } | |
| 42 | |
| 43 int core_id = -1; | |
| 44 int chip_id = -1; | |
| 45 int len = 0; | |
| 46 char* src_string = NULL; | |
| 47 | |
| 48 _no_of_cores = os::processor_count(); | |
| 49 _no_of_threads = _no_of_cores; | |
| 50 _no_of_sockets = _no_of_cores; | |
| 51 if (is_loongson()) | |
| 52 snprintf(_cpu_name, CPU_TYPE_DESC_BUF_SIZE - 1, "Loongson"); | |
| 53 else | |
| 54 snprintf(_cpu_name, CPU_TYPE_DESC_BUF_SIZE - 1, "MIPS"); | |
| 55 snprintf(_cpu_desc, CPU_DETAILED_DESC_BUF_SIZE, "%s", cpu_features()); | |
| 56 _initialized = true; | |
| 57 } | |
| 58 | |
| 59 int VM_Version_Ext::number_of_threads(void) { | |
| 60 initialize_cpu_information(); | |
| 61 return _no_of_threads; | |
| 62 } | |
| 63 | |
| 64 int VM_Version_Ext::number_of_cores(void) { | |
| 65 initialize_cpu_information(); | |
| 66 return _no_of_cores; | |
| 67 } | |
| 68 | |
| 69 int VM_Version_Ext::number_of_sockets(void) { | |
| 70 initialize_cpu_information(); | |
| 71 return _no_of_sockets; | |
| 72 } | |
| 73 | |
| 74 const char* VM_Version_Ext::cpu_name(void) { | |
| 75 initialize_cpu_information(); | |
| 76 char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_TYPE_DESC_BUF_SIZE, mtTracing); | |
| 77 if (NULL == tmp) { | |
| 78 return NULL; | |
| 79 } | |
| 80 strncpy(tmp, _cpu_name, CPU_TYPE_DESC_BUF_SIZE); | |
| 81 return tmp; | |
| 82 } | |
| 83 | |
| 84 const char* VM_Version_Ext::cpu_description(void) { | |
| 85 initialize_cpu_information(); | |
| 86 char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_DETAILED_DESC_BUF_SIZE, mtTracing); | |
| 87 if (NULL == tmp) { | |
| 88 return NULL; | |
| 89 } | |
| 90 strncpy(tmp, _cpu_desc, CPU_DETAILED_DESC_BUF_SIZE); | |
| 91 return tmp; | |
| 92 } |
