1 /*
   2  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP
  27 #define CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP
  28 
  29 #include "runtime/globals_extension.hpp"
  30 #include "runtime/vm_version.hpp"
  31 
  32 class VM_Version : public Abstract_VM_Version {
  33   friend class JVMCIVMStructs;
  34 
  35 protected:
  36   static int _cpu;
  37   static int _model;
  38   static int _model2;
  39   static int _variant;
  40   static int _revision;
  41   static int _stepping;
  42 
  43   static void get_processor_features();
  44 
  45 public:
  46   // Initialization
  47   static void initialize();
  48 
  49   // Asserts
  50   static void assert_is_initialized() {
  51   }
  52 
  53   enum Family {
  54     CPU_ARM       = 'A',
  55     CPU_BROADCOM  = 'B',
  56     CPU_CAVIUM    = 'C',
  57     CPU_DEC       = 'D',
  58     CPU_INFINEON  = 'I',
  59     CPU_MOTOROLA  = 'M',
  60     CPU_NVIDIA    = 'N',
  61     CPU_AMCC      = 'P',
  62     CPU_QUALCOM   = 'Q',
  63     CPU_MARVELL   = 'V',
  64     CPU_INTEL     = 'i',
  65   };
  66 
  67   enum Feature_Flag {
  68     CPU_FP           = (1<<0),
  69     CPU_ASIMD        = (1<<1),
  70     CPU_EVTSTRM      = (1<<2),
  71     CPU_AES          = (1<<3),
  72     CPU_PMULL        = (1<<4),
  73     CPU_SHA1         = (1<<5),
  74     CPU_SHA2         = (1<<6),
  75     CPU_CRC32        = (1<<7),
  76     CPU_A53MAC       = (1 << 30),
  77     CPU_DMB_ATOMICS  = (1 << 31),
  78   };
  79 
  80   static int cpu_family()                     { return _cpu; }
  81   static int cpu_model()                      { return _model; }
  82   static int cpu_model2()                     { return _model2; }
  83   static int cpu_variant()                    { return _variant; }
  84   static int cpu_revision()                   { return _revision; }
  85 };
  86 
  87 #endif // CPU_AARCH64_VM_VM_VERSION_AARCH64_HPP