src/hotspot/cpu/ppc/vm_version_ext_ppc.hpp
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     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 #ifndef CPU_PPC_VM_VM_VERSION_EXT_PPC_HPP
       
    26 #define CPU_PPC_VM_VM_VERSION_EXT_PPC_HPP
       
    27 
       
    28 #include "utilities/macros.hpp"
       
    29 #include "vm_version_ppc.hpp"
       
    30 
       
    31 #define CPU_INFO        "cpu_info"
       
    32 #define CPU_TYPE        "fpu_type"
       
    33 #define CPU_DESCRIPTION "implementation"
       
    34 #define CHIP_ID         "chip_id"
       
    35 #define CORE_ID         "core_id"
       
    36 
       
    37 class VM_Version_Ext : public VM_Version {
       
    38  private:
       
    39 
       
    40   static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;
       
    41   static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;
       
    42 
       
    43   static int               _no_of_threads;
       
    44   static int               _no_of_cores;
       
    45   static int               _no_of_sockets;
       
    46   static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
       
    47   static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];
       
    48 
       
    49   static bool initialize_cpu_information(void);
       
    50 
       
    51  public:
       
    52 
       
    53   static int number_of_threads(void);
       
    54   static int number_of_cores(void);
       
    55   static int number_of_sockets(void);
       
    56 
       
    57   static const char* cpu_name(void);
       
    58   static const char* cpu_description(void);
       
    59 };
       
    60 
       
    61 #endif // CPU_PPC_VM_VM_VERSION_EXT_PPC_HPP