1 /* 2 * Copyright (c) 2013, 2019, 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 #ifndef CPU_X86_VM_VM_VERSION_EXT_X86_HPP 26 #define CPU_X86_VM_VM_VERSION_EXT_X86_HPP 27 28 #include "utilities/macros.hpp" 29 #include "vm_version_x86.hpp" 30 31 class VM_Version_Ext : public VM_Version { 32 private: 33 static const size_t VENDOR_LENGTH; 34 static const size_t CPU_EBS_MAX_LENGTH; 35 static const size_t CPU_TYPE_DESC_BUF_SIZE; 36 static const size_t CPU_DETAILED_DESC_BUF_SIZE; 37 38 static const char* const _family_id_intel[]; 39 static const char* const _family_id_amd[]; 40 static const char* const _brand_id[]; 41 static const char* const _model_id_pentium_pro[]; 42 43 static const char* const _feature_edx_id[]; 44 static const char* const _feature_extended_edx_id[]; 45 static const char* const _feature_ecx_id[]; 46 static const char* const _feature_extended_ecx_id[]; 47 48 static int _no_of_threads; 49 static int _no_of_cores; 50 static int _no_of_packages; 51 static char* _cpu_brand_string; 52 static jlong _max_qualified_cpu_frequency; 53 54 static const char* cpu_family_description(void); 55 static const char* cpu_model_description(void); 56 static const char* cpu_brand(void); 57 static const char* cpu_brand_string(void); 58 59 static int cpu_type_description(char* const buf, size_t buf_len); 60 static int cpu_detailed_description(char* const buf, size_t buf_len); 61 static int cpu_extended_brand_string(char* const buf, size_t buf_len); 62 63 static bool cpu_is_em64t(void); 64 static bool is_netburst(void); 65 66 static size_t cpu_write_support_string(char* const buf, size_t buf_len); 67 static void resolve_cpu_information_details(void); 68 static jlong max_qualified_cpu_freq_from_brand_string(void); 69 70 public: 71 // Offsets for cpuid asm stub brand string 72 static ByteSize proc_name_0_offset() { return byte_offset_of(CpuidInfo, proc_name_0); } 73 static ByteSize proc_name_1_offset() { return byte_offset_of(CpuidInfo, proc_name_1); } 74 static ByteSize proc_name_2_offset() { return byte_offset_of(CpuidInfo, proc_name_2); } 75 static ByteSize proc_name_3_offset() { return byte_offset_of(CpuidInfo, proc_name_3); } 76 static ByteSize proc_name_4_offset() { return byte_offset_of(CpuidInfo, proc_name_4); } 77 static ByteSize proc_name_5_offset() { return byte_offset_of(CpuidInfo, proc_name_5); } 78 static ByteSize proc_name_6_offset() { return byte_offset_of(CpuidInfo, proc_name_6); } 79 static ByteSize proc_name_7_offset() { return byte_offset_of(CpuidInfo, proc_name_7); } 80 static ByteSize proc_name_8_offset() { return byte_offset_of(CpuidInfo, proc_name_8); } 81 static ByteSize proc_name_9_offset() { return byte_offset_of(CpuidInfo, proc_name_9); } 82 static ByteSize proc_name_10_offset() { return byte_offset_of(CpuidInfo, proc_name_10); } 83 static ByteSize proc_name_11_offset() { return byte_offset_of(CpuidInfo, proc_name_11); } 84 85 static int number_of_threads(void); 86 static int number_of_cores(void); 87 static int number_of_sockets(void); 88 89 static jlong maximum_qualified_cpu_frequency(void); 90 91 static bool supports_tscinv_ext(void); 92 93 static const char* cpu_name(void); 94 static const char* cpu_description(void); 95 96 static void initialize(); 97 }; 98 99 #endif // CPU_X86_VM_VM_VERSION_EXT_X86_HPP