1 /*

     2  * Copyright (c) 2016, 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_AARCH64_VM_VM_VERSION_EXT_AARCH64_HPP

    26 #define CPU_AARCH64_VM_VM_VERSION_EXT_AARCH64_HPP

    27 

    28 #include "utilities/macros.hpp"

    29 #include "vm_version_aarch64.hpp"

    30 

    31 class VM_Version_Ext : public VM_Version {

    32  private:

    33   static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;

    34   static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;

    35 

    36   static int               _no_of_threads;

    37   static int               _no_of_cores;

    38   static int               _no_of_sockets;

    39   static bool              _initialized;

    40   static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];

    41   static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];

    42 

    43  public:

    44   static int number_of_threads(void);

    45   static int number_of_cores(void);

    46   static int number_of_sockets(void);

    47 

    48   static const char* cpu_name(void);

    49   static const char* cpu_description(void);

    50   static void initialize_cpu_information(void);

    51 

    52 };

    53 

    54 #endif // CPU_AARCH64_VM_VM_VERSION_EXT_AARCH64_HPP