CPUSpecificPredicate.java revision 2224:2a8815d86b93 
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
24package jdk.test.lib.cli.predicate;
25
26import jdk.test.lib.Platform;
27import sun.hotspot.cpuinfo.CPUInfo;
28
29import java.util.function.BooleanSupplier;
30
31public 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}
72