1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17 #include <cpu-features.h>
18 #include <jni.h>
19 #include <string.h>
20
android_os_cts_CpuFeatures_isArmCpu(JNIEnv * env,jobject thiz)21 jboolean android_os_cts_CpuFeatures_isArmCpu(JNIEnv* env, jobject thiz)
22 {
23 AndroidCpuFamily cpuFamily = android_getCpuFamily();
24 return cpuFamily == ANDROID_CPU_FAMILY_ARM;
25 }
26
android_os_cts_CpuFeatures_isArm7Compatible(JNIEnv * env,jobject thiz)27 jboolean android_os_cts_CpuFeatures_isArm7Compatible(JNIEnv* env, jobject thiz)
28 {
29 uint64_t cpuFeatures = android_getCpuFeatures();
30 return (cpuFeatures & ANDROID_CPU_ARM_FEATURE_ARMv7) == ANDROID_CPU_ARM_FEATURE_ARMv7;
31 }
32
33 static JNINativeMethod gMethods[] = {
34 { "isArmCpu", "()Z",
35 (void *) android_os_cts_CpuFeatures_isArmCpu },
36 { "isArm7Compatible", "()Z",
37 (void *) android_os_cts_CpuFeatures_isArm7Compatible },
38 };
39
register_android_os_cts_CpuFeatures(JNIEnv * env)40 int register_android_os_cts_CpuFeatures(JNIEnv* env)
41 {
42 jclass clazz = env->FindClass("android/os/cts/CpuFeatures");
43
44 return env->RegisterNatives(clazz, gMethods,
45 sizeof(gMethods) / sizeof(JNINativeMethod));
46 }
47