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
22int 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