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
main(void)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