1 /*
   2  * Copyright (c) 2013, 2019, 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_SPARC_VM_VERSION_EXT_SPARC_HPP
  26 #define CPU_SPARC_VM_VERSION_EXT_SPARC_HPP
  27 
  28 #include "runtime/vm_version.hpp"
  29 #include "utilities/macros.hpp"
  30 
  31 #if defined(SOLARIS)
  32 #include <kstat.h>
  33 #include <sys/processor.h>
  34 #endif
  35 
  36 #define CPU_INFO        "cpu_info"
  37 #define CPU_TYPE        "fpu_type"
  38 #define CPU_DESCRIPTION "implementation"
  39 #define CHIP_ID         "chip_id"
  40 #define CORE_ID         "core_id"
  41 
  42 class VM_Version_Ext : public VM_Version {
  43  private:
  44 
  45   static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;
  46   static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;
  47 
  48   static int               _no_of_threads;
  49   static int               _no_of_cores;
  50   static int               _no_of_sockets;
  51 #if defined(SOLARIS)
  52   static kid_t             _kcid;
  53 #endif
  54   static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
  55   static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];
  56 
  57   static bool initialize_cpu_information(void);
  58 
  59  public:
  60 
  61   static int number_of_threads(void);
  62   static int number_of_cores(void);
  63   static int number_of_sockets(void);
  64 
  65   static const char* cpu_name(void);
  66   static const char* cpu_description(void);
  67 };
  68 
  69 #endif // CPU_SPARC_VM_VERSION_EXT_SPARC_HPP