1 /*
   2  * Copyright (c) 2016, 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 #include "precompiled.hpp"
  25 #include "gc/z/zAddress.hpp"
  26 #include "gc/z/zBarrierSet.hpp"
  27 #include "gc/z/zCPU.hpp"
  28 #include "gc/z/zGlobals.hpp"
  29 #include "gc/z/zHeuristics.hpp"
  30 #include "gc/z/zInitialize.hpp"
  31 #include "gc/z/zLargePages.hpp"
  32 #include "gc/z/zNUMA.hpp"
  33 #include "gc/z/zStat.hpp"
  34 #include "gc/z/zThreadLocalAllocBuffer.hpp"
  35 #include "gc/z/zTracer.hpp"
  36 #include "logging/log.hpp"
  37 #include "runtime/vm_version.hpp"
  38 
  39 ZInitialize::ZInitialize(ZBarrierSet* barrier_set) {
  40   log_info(gc, init)("Initializing %s", ZName);
  41   log_info(gc, init)("Version: %s (%s)",
  42                      VM_Version::vm_release(),
  43                      VM_Version::jdk_debug_level());
  44 
  45   // Early initialization
  46   ZAddress::initialize();
  47   ZNUMA::initialize();
  48   ZCPU::initialize();
  49   ZStatValue::initialize();
  50   ZThreadLocalAllocBuffer::initialize();
  51   ZTracer::initialize();
  52   ZLargePages::initialize();
  53   ZHeuristics::set_medium_page_size();
  54   ZBarrierSet::set_barrier_set(barrier_set);
  55 
  56   initialize_os();
  57 }