Home | History | Annotate | Download | only in jni
      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 
     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 
     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 
     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