/* * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef CPU_X86_VM_VM_VERSION_EXT_X86_HPP #define CPU_X86_VM_VM_VERSION_EXT_X86_HPP #include "runtime/vm_version.hpp" #include "utilities/macros.hpp" class VM_Version_Ext : public VM_Version { enum { ExtendedFamilyIdLength_INTEL = 16, ExtendedFamilyIdLength_AMD = 24 }; private: static const size_t VENDOR_LENGTH; static const size_t CPU_EBS_MAX_LENGTH; static const size_t CPU_TYPE_DESC_BUF_SIZE; static const size_t CPU_DETAILED_DESC_BUF_SIZE; static const char* const _family_id_intel[ExtendedFamilyIdLength_INTEL]; static const char* const _family_id_amd[ExtendedFamilyIdLength_AMD]; static const char* const _brand_id[]; static const char* const _model_id_pentium_pro[]; static const char* const _feature_edx_id[]; static const char* const _feature_extended_edx_id[]; static const char* const _feature_ecx_id[]; static const char* const _feature_extended_ecx_id[]; static int _no_of_threads; static int _no_of_cores; static int _no_of_packages; static char* _cpu_brand_string; static jlong _max_qualified_cpu_frequency; static const char* cpu_family_description(void); static const char* cpu_model_description(void); static const char* cpu_brand(void); static const char* cpu_brand_string(void); static int cpu_type_description(char* const buf, size_t buf_len); static int cpu_detailed_description(char* const buf, size_t buf_len); static int cpu_extended_brand_string(char* const buf, size_t buf_len); static bool cpu_is_em64t(void); static bool is_netburst(void); // Returns bytes written excluding termninating null byte. static size_t cpu_write_support_string(char* const buf, size_t buf_len); static void resolve_cpu_information_details(void); static jlong max_qualified_cpu_freq_from_brand_string(void); public: // Offsets for cpuid asm stub brand string static ByteSize proc_name_0_offset() { return byte_offset_of(CpuidInfo, proc_name_0); } static ByteSize proc_name_1_offset() { return byte_offset_of(CpuidInfo, proc_name_1); } static ByteSize proc_name_2_offset() { return byte_offset_of(CpuidInfo, proc_name_2); } static ByteSize proc_name_3_offset() { return byte_offset_of(CpuidInfo, proc_name_3); } static ByteSize proc_name_4_offset() { return byte_offset_of(CpuidInfo, proc_name_4); } static ByteSize proc_name_5_offset() { return byte_offset_of(CpuidInfo, proc_name_5); } static ByteSize proc_name_6_offset() { return byte_offset_of(CpuidInfo, proc_name_6); } static ByteSize proc_name_7_offset() { return byte_offset_of(CpuidInfo, proc_name_7); } static ByteSize proc_name_8_offset() { return byte_offset_of(CpuidInfo, proc_name_8); } static ByteSize proc_name_9_offset() { return byte_offset_of(CpuidInfo, proc_name_9); } static ByteSize proc_name_10_offset() { return byte_offset_of(CpuidInfo, proc_name_10); } static ByteSize proc_name_11_offset() { return byte_offset_of(CpuidInfo, proc_name_11); } static int number_of_threads(void); static int number_of_cores(void); static int number_of_sockets(void); static jlong maximum_qualified_cpu_frequency(void); static bool supports_tscinv_ext(void); static const char* cpu_name(void); static const char* cpu_description(void); static void initialize(); }; #endif // CPU_X86_VM_VM_VERSION_EXT_X86_HPP