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