/*

 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.

 * Copyright (c) 2014, Red Hat Inc. 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

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 *

 */

#ifndef CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP

#define CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP

#include "runtime/globals_extension.hpp"

#include "runtime/vm_version.hpp"

class VM_Version : public Abstract_VM_Version {

public:

protected:

  static int _cpu;

  static int _model;

  static int _model2;

  static int _variant;

  static int _revision;

  static int _stepping;

  static int _cpuFeatures;     // features returned by the "cpuid" instruction

                               // 0 if this instruction is not available

  static const char* _features_str;

  static void get_processor_features();

public:

  // Initialization

  static void initialize();

  // Asserts

  static void assert_is_initialized() {

  }

  enum {

    CPU_ARM       = 'A',

    CPU_BROADCOM  = 'B',

    CPU_CAVIUM    = 'C',

    CPU_DEC       = 'D',

    CPU_INFINEON  = 'I',

    CPU_MOTOROLA  = 'M',

    CPU_NVIDIA    = 'N',

    CPU_AMCC      = 'P',

    CPU_QUALCOM   = 'Q',

    CPU_MARVELL   = 'V',

    CPU_INTEL     = 'i',

  } cpuFamily;

  enum {

    CPU_FP           = (1<<0),

    CPU_ASIMD        = (1<<1),

    CPU_EVTSTRM      = (1<<2),

    CPU_AES          = (1<<3),

    CPU_PMULL        = (1<<4),

    CPU_SHA1         = (1<<5),

    CPU_SHA2         = (1<<6),

    CPU_CRC32        = (1<<7),

    CPU_A53MAC       = (1 << 30),

    CPU_DMB_ATOMICS  = (1 << 31),

  } cpuFeatureFlags;

  static const char* cpu_features()           { return _features_str; }

  static int cpu_family()                     { return _cpu; }

  static int cpu_model()                      { return _model; }

  static int cpu_model2()                     { return _model2; }

  static int cpu_variant()                    { return _variant; }

  static int cpu_revision()                   { return _revision; }

  static int cpu_cpuFeatures()                { return _cpuFeatures; }

};

#endif // CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP