1 /*
   2  * Copyright (c) 2014, 2016, 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 package jdk.test.lib.cli.predicate;
  25 
  26 import jdk.test.lib.Platform;
  27 import sun.hotspot.cpuinfo.CPUInfo;
  28 
  29 import java.util.function.BooleanSupplier;
  30 
  31 public class CPUSpecificPredicate implements BooleanSupplier {
  32     private final String cpuArchPattern;
  33     private final String supportedCPUFeatures[];
  34     private final String unsupportedCPUFeatures[];
  35 
  36     public CPUSpecificPredicate(String cpuArchPattern,
  37             String supportedCPUFeatures[],
  38             String unsupportedCPUFeatures[]) {
  39         this.cpuArchPattern = cpuArchPattern;
  40         this.supportedCPUFeatures = supportedCPUFeatures;
  41         this.unsupportedCPUFeatures = unsupportedCPUFeatures;
  42     }
  43 
  44     @Override
  45     public boolean getAsBoolean() {
  46         if (!Platform.getOsArch().matches(cpuArchPattern)) {
  47             System.out.println("CPU arch " + Platform.getOsArch() + " does not match " + cpuArchPattern);
  48             return false;
  49         }
  50 
  51         if (supportedCPUFeatures != null) {
  52             for (String feature : supportedCPUFeatures) {
  53                 if (!CPUInfo.hasFeature(feature)) {
  54                     System.out.println("CPU does not support " + feature
  55                             + " feature");
  56                     return false;
  57                 }
  58             }
  59         }
  60 
  61         if (unsupportedCPUFeatures != null) {
  62             for (String feature : unsupportedCPUFeatures) {
  63                 if (CPUInfo.hasFeature(feature)) {
  64                     System.out.println("CPU support " + feature + " feature");
  65                     return false;
  66                 }
  67             }
  68         }
  69         return true;
  70     }
  71 }