Home | History | Annotate | Download | only in jni
      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 #include <cpu-features.h>
     17 #include <stdio.h>
     18 
     19 int main(void)
     20 {
     21     AndroidCpuFamily family = android_getCpuFamily();
     22     switch (family) {
     23     case ANDROID_CPU_FAMILY_ARM:
     24         printf("CPU family is ARM\n");
     25         break;
     26     case ANDROID_CPU_FAMILY_X86:
     27         printf("CPU family is x86\n");
     28         break;
     29     default:
     30         fprintf(stderr, "Unsupported CPU family: %d\n", family);
     31         return 1;
     32     }
     33 
     34     if (family == ANDROID_CPU_FAMILY_ARM) {
     35         uint64_t features = android_getCpuFeatures();
     36         printf( "Supported ARM features:\n");
     37         if ((features & ANDROID_CPU_ARM_FEATURE_ARMv7) != 0) {
     38             printf( "  ARMv7\n" );
     39         }
     40         if ((features & ANDROID_CPU_ARM_FEATURE_VFPv3) != 0) {
     41             printf( "  VFPv3\n" );
     42         }
     43         if ((features & ANDROID_CPU_ARM_FEATURE_NEON) != 0) {
     44             printf( "  NEON\n" );
     45         }
     46     }
     47     return 0;
     48 }
     49