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 #define __STDC_FORMAT_MACROS 1 17 18 #include <cpu-features.h> 19 #include <inttypes.h> 20 #include <stdio.h> 21 22 int main(void) 23 { 24 AndroidCpuFamily family = android_getCpuFamily(); 25 switch (family) { 26 case ANDROID_CPU_FAMILY_ARM: 27 printf("CPU family is ARM\n"); 28 break; 29 case ANDROID_CPU_FAMILY_X86: 30 printf("CPU family is x86\n"); 31 break; 32 case ANDROID_CPU_FAMILY_MIPS: 33 printf("CPU family is MIPS\n"); 34 break; 35 case ANDROID_CPU_FAMILY_ARM64: 36 printf("CPU family is ARM64\n"); 37 break; 38 case ANDROID_CPU_FAMILY_X86_64: 39 printf("CPU family is x86_64\n"); 40 break; 41 case ANDROID_CPU_FAMILY_MIPS64: 42 printf("CPU family is MIPS64\n"); 43 break; 44 default: 45 fprintf(stderr, "Unsupported CPU family: %d\n", family); 46 return 1; 47 } 48 49 #define CHECK(arch, name) \ 50 if ((features & ANDROID_CPU_## arch ##_FEATURE_## name) != 0) { \ 51 printf( " "#name"\n" ); \ 52 } 53 54 uint64_t features = android_getCpuFeatures(); 55 int result = 0; 56 switch(family) { 57 case ANDROID_CPU_FAMILY_ARM: 58 printf( "Supported ARM features:\n"); 59 CHECK(ARM, ARMv7) 60 CHECK(ARM, VFPv3) 61 CHECK(ARM, NEON) 62 CHECK(ARM, LDREX_STREX) 63 CHECK(ARM, VFPv2) 64 CHECK(ARM, VFP_D32) 65 CHECK(ARM, VFP_FP16) 66 CHECK(ARM, VFP_FMA) 67 CHECK(ARM, NEON_FMA) 68 CHECK(ARM, IDIV_ARM) 69 CHECK(ARM, IDIV_THUMB2) 70 CHECK(ARM, iWMMXt) 71 CHECK(ARM, AES) 72 CHECK(ARM, PMULL) 73 CHECK(ARM, SHA1) 74 CHECK(ARM, SHA2) 75 CHECK(ARM, CRC32) 76 break; 77 case ANDROID_CPU_FAMILY_ARM64: 78 CHECK(ARM64, FP) 79 CHECK(ARM64, ASIMD) 80 CHECK(ARM64, AES) 81 CHECK(ARM64, PMULL) 82 CHECK(ARM64, SHA1) 83 CHECK(ARM64, SHA2) 84 CHECK(ARM64, CRC32) 85 break; 86 case ANDROID_CPU_FAMILY_X86: 87 case ANDROID_CPU_FAMILY_X86_64: 88 printf( "Supported x86 features:\n"); 89 CHECK(X86, SSSE3) 90 CHECK(X86, POPCNT) 91 CHECK(X86, MOVBE) 92 CHECK(X86, SSE4_1) 93 CHECK(X86, SSE4_2) 94 break; 95 case ANDROID_CPU_FAMILY_MIPS: 96 case ANDROID_CPU_FAMILY_MIPS64: 97 printf( "Supported MIPS features:\n"); 98 CHECK(MIPS, R6) 99 CHECK(MIPS, MSA) 100 break; 101 default: 102 if (features != 0) { 103 printf("ERROR: Unexpected CPU features mask: %016" PRIX64 "\n", 104 features); 105 result = 1; 106 } 107 } 108 109 #ifdef __arm__ 110 uint32_t cpu_id = android_getCpuIdArm(); 111 printf( "ARM CpuID: %08x\n", cpu_id); 112 printf( " implementer: %02x\n", (cpu_id >> 24) & 0xff); 113 printf( " variant : %02x\n", (cpu_id >> 20) & 0x0f); 114 printf( " part : %03x\n", (cpu_id >> 4) & 0xfff); 115 printf( " revision : %x\n", cpu_id & 0x0f); 116 #endif 117 118 int count = android_getCpuCount(); 119 printf( "Number of CPU cores: %d\n", count); 120 return result; 121 } 122
