| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package android.os.cts; |
| |
| import android.os.cts.CpuInstructions; |
| |
| import com.android.compatibility.common.util.CpuFeatures; |
| |
| import junit.framework.TestCase; |
| |
| public class CpuInstructionsTest extends TestCase { |
| |
| public void testArmVirtualCounter() { |
| if (!CpuFeatures.isArm64Cpu()) { |
| return; |
| } |
| |
| assertTrue("Machine does not allow access to CNTVCT register", |
| CpuInstructions.canReadCntvct()); |
| } |
| |
| public void testEmulatedArmCpuFeatures() { |
| if (!CpuFeatures.isArm64CpuIn32BitMode()) { |
| return; |
| } |
| |
| assertTrue("Machine does not support ARM swp instruction emulation", |
| CpuInstructions.hasSwp()); |
| assertTrue("Machine does not support ARM setend instruction emulation", |
| CpuInstructions.hasSetend()); |
| assertTrue("Machine does not support ARM CP15 barrier emulation", |
| CpuInstructions.hasCp15Barriers()); |
| } |
| } |