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 jboolean android_os_cts_CpuFeatures_isMipsCpu(JNIEnv* env, jobject thiz) 34 { 35 AndroidCpuFamily cpuFamily = android_getCpuFamily(); 36 return cpuFamily == ANDROID_CPU_FAMILY_MIPS; 37 } 38 39 jboolean android_os_cts_CpuFeatures_isX86Cpu(JNIEnv* env, jobject thiz) 40 { 41 AndroidCpuFamily cpuFamily = android_getCpuFamily(); 42 return cpuFamily == ANDROID_CPU_FAMILY_X86; 43 } 44 45 static JNINativeMethod gMethods[] = { 46 { "isArmCpu", "()Z", 47 (void *) android_os_cts_CpuFeatures_isArmCpu }, 48 { "isArm7Compatible", "()Z", 49 (void *) android_os_cts_CpuFeatures_isArm7Compatible }, 50 { "isMipsCpu", "()Z", 51 (void *) android_os_cts_CpuFeatures_isMipsCpu }, 52 { "isX86Cpu", "()Z", 53 (void *) android_os_cts_CpuFeatures_isX86Cpu }, 54 }; 55 56 int register_android_os_cts_CpuFeatures(JNIEnv* env) 57 { 58 jclass clazz = env->FindClass("android/os/cts/CpuFeatures"); 59 60 return env->RegisterNatives(clazz, gMethods, 61 sizeof(gMethods) / sizeof(JNINativeMethod)); 62 } 63
