• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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