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
android_os_cts_CpuFeatures_isMipsCpu(JNIEnv * env,jobject thiz)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
android_os_cts_CpuFeatures_isX86Cpu(JNIEnv * env,jobject thiz)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
register_android_os_cts_CpuFeatures(JNIEnv * env)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