src/cpu/x86/vm/vm_version_ext_x86.hpp

Sat, 07 Nov 2020 10:30:02 +0800

author
aoqi
date
Sat, 07 Nov 2020 10:30:02 +0800
changeset 10026
8c95980d0b66
parent 9858
b985cbb00e68
permissions
-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset d3b4d62f391f

     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  */
    25 #ifndef CPU_X86_VM_VM_VERSION_EXT_X86_HPP
    26 #define CPU_X86_VM_VM_VERSION_EXT_X86_HPP
    28 #include "utilities/macros.hpp"
    29 #include "vm_version_x86.hpp"
    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;
    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[];
    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[];
    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;
    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);
    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);
    63   static bool cpu_is_em64t(void);
    64   static bool is_netburst(void);
    66   // Returns bytes written excluding termninating null byte.
    67   static size_t cpu_write_support_string(char* const buf, size_t buf_len);
    68   static void resolve_cpu_information_details(void);
    69   static jlong max_qualified_cpu_freq_from_brand_string(void);
    71  public:
    72   // Offsets for cpuid asm stub brand string
    73   static ByteSize proc_name_0_offset() { return byte_offset_of(CpuidInfo, proc_name_0); }
    74   static ByteSize proc_name_1_offset() { return byte_offset_of(CpuidInfo, proc_name_1); }
    75   static ByteSize proc_name_2_offset() { return byte_offset_of(CpuidInfo, proc_name_2); }
    76   static ByteSize proc_name_3_offset() { return byte_offset_of(CpuidInfo, proc_name_3); }
    77   static ByteSize proc_name_4_offset() { return byte_offset_of(CpuidInfo, proc_name_4); }
    78   static ByteSize proc_name_5_offset() { return byte_offset_of(CpuidInfo, proc_name_5); }
    79   static ByteSize proc_name_6_offset() { return byte_offset_of(CpuidInfo, proc_name_6); }
    80   static ByteSize proc_name_7_offset() { return byte_offset_of(CpuidInfo, proc_name_7); }
    81   static ByteSize proc_name_8_offset() { return byte_offset_of(CpuidInfo, proc_name_8); }
    82   static ByteSize proc_name_9_offset() { return byte_offset_of(CpuidInfo, proc_name_9); }
    83   static ByteSize proc_name_10_offset() { return byte_offset_of(CpuidInfo, proc_name_10); }
    84   static ByteSize proc_name_11_offset() { return byte_offset_of(CpuidInfo, proc_name_11); }
    86   static int number_of_threads(void);
    87   static int number_of_cores(void);
    88   static int number_of_sockets(void);
    90   static jlong maximum_qualified_cpu_frequency(void);
    92   static bool supports_tscinv_ext(void);
    94   static const char* cpu_name(void);
    95   static const char* cpu_description(void);
    97   static void initialize();
    98 };
   100 #endif // CPU_X86_VM_VM_VERSION_EXT_X86_HPP

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