/*

 * Copyright (c) 2013, 2019, 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_ZERO_VM_VERSION_EXT_ZERO_HPP

#define CPU_ZERO_VM_VERSION_EXT_ZERO_HPP

#include "utilities/macros.hpp"

class VM_Version_Ext : public VM_Version {

 private:

  static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;

  static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;

  static int               _no_of_threads;

  static int               _no_of_cores;

  static int               _no_of_sockets;

  static bool              _initialized;

  static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];

  static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];

 public:

  static int number_of_threads(void);

  static int number_of_cores(void);

  static int number_of_sockets(void);

  static const char* cpu_name(void);

  static const char* cpu_description(void);

  static void initialize_cpu_information(void);

};

#endif // CPU_ZERO_VM_VERSION_EXT_ZERO_HPP