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90 lines
2.8 KiB
90 lines
2.8 KiB
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <cpu-features.h>
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#include <jni.h>
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#include <string.h>
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#include <sys/auxv.h>
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#include <sys/utsname.h>
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#include <string>
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jboolean android_cts_CpuFeatures_isArmCpu(JNIEnv* env, jobject thiz)
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{
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AndroidCpuFamily cpuFamily = android_getCpuFamily();
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return cpuFamily == ANDROID_CPU_FAMILY_ARM;
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}
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jboolean android_cts_CpuFeatures_isX86Cpu(JNIEnv* env, jobject thiz)
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{
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AndroidCpuFamily cpuFamily = android_getCpuFamily();
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return cpuFamily == ANDROID_CPU_FAMILY_X86;
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}
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jboolean android_cts_CpuFeatures_isArm64Cpu(JNIEnv* env, jobject thiz)
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{
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AndroidCpuFamily cpuFamily = android_getCpuFamily();
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return cpuFamily == ANDROID_CPU_FAMILY_ARM64;
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}
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jboolean android_cts_CpuFeatures_isX86_64Cpu(JNIEnv* env, jobject thiz)
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{
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AndroidCpuFamily cpuFamily = android_getCpuFamily();
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return cpuFamily == ANDROID_CPU_FAMILY_X86_64;
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}
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jint android_cts_CpuFeatures_getHwCaps(JNIEnv*, jobject)
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{
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return (jint)getauxval(AT_HWCAP);
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}
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jboolean android_cts_CpuFeatures_isNativeBridgedCpu(JNIEnv* env, jobject thiz)
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{
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#if defined(__arm__) || defined(__aarch64__)
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// If the test is compiled for arm use uname() to check if host CPU is x86.
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struct utsname uname_data;
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uname(&uname_data);
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std::string machine = uname_data.machine;
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// Matches all of i386, i686 and x86_64.
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return machine.find("86") != std::string::npos;
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#else
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return false;
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#endif
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}
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static JNINativeMethod gMethods[] = {
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{ "isArmCpu", "()Z",
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(void *) android_cts_CpuFeatures_isArmCpu },
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{ "isX86Cpu", "()Z",
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(void *) android_cts_CpuFeatures_isX86Cpu },
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{ "isArm64Cpu", "()Z",
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(void *) android_cts_CpuFeatures_isArm64Cpu },
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{ "isX86_64Cpu", "()Z",
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(void *) android_cts_CpuFeatures_isX86_64Cpu },
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{ "getHwCaps", "()I",
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(void *) android_cts_CpuFeatures_getHwCaps },
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{ "isNativeBridgedCpu", "()Z",
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(void *) android_cts_CpuFeatures_isNativeBridgedCpu },
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};
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int register_android_cts_CpuFeatures(JNIEnv* env)
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{
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jclass clazz = env->FindClass("com/android/compatibility/common/util/CpuFeatures");
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return env->RegisterNatives(clazz, gMethods,
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sizeof(gMethods) / sizeof(JNINativeMethod));
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}
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