1/*
2 *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS. All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include <stdlib.h>
12#include <string.h>
13
14#include "libyuv/basic_types.h"
15#include "libyuv/cpu_id.h"
16#include "libyuv/version.h"
17#include "../unit_test/unit_test.h"
18
19namespace libyuv {
20
21TEST_F(libyuvTest, TestCpuHas) {
22  int cpu_flags = TestCpuFlag(-1);
23  printf("Cpu Flags %x\n", cpu_flags);
24  int has_arm = TestCpuFlag(kCpuHasARM);
25  printf("Has ARM %x\n", has_arm);
26  int has_neon = TestCpuFlag(kCpuHasNEON);
27  printf("Has NEON %x\n", has_neon);
28  int has_x86 = TestCpuFlag(kCpuHasX86);
29  printf("Has X86 %x\n", has_x86);
30  int has_sse2 = TestCpuFlag(kCpuHasSSE2);
31  printf("Has SSE2 %x\n", has_sse2);
32  int has_ssse3 = TestCpuFlag(kCpuHasSSSE3);
33  printf("Has SSSE3 %x\n", has_ssse3);
34  int has_sse41 = TestCpuFlag(kCpuHasSSE41);
35  printf("Has SSE4.1 %x\n", has_sse41);
36  int has_sse42 = TestCpuFlag(kCpuHasSSE42);
37  printf("Has SSE4.2 %x\n", has_sse42);
38  int has_avx = TestCpuFlag(kCpuHasAVX);
39  printf("Has AVX %x\n", has_avx);
40  int has_avx2 = TestCpuFlag(kCpuHasAVX2);
41  printf("Has AVX2 %x\n", has_avx2);
42  int has_erms = TestCpuFlag(kCpuHasERMS);
43  printf("Has ERMS %x\n", has_erms);
44  int has_fma3 = TestCpuFlag(kCpuHasFMA3);
45  printf("Has FMA3 %x\n", has_fma3);
46  int has_mips = TestCpuFlag(kCpuHasMIPS);
47  printf("Has MIPS %x\n", has_mips);
48  int has_mips_dsp = TestCpuFlag(kCpuHasMIPS_DSP);
49  printf("Has MIPS DSP %x\n", has_mips_dsp);
50  int has_mips_dspr2 = TestCpuFlag(kCpuHasMIPS_DSPR2);
51  printf("Has MIPS DSPR2 %x\n", has_mips_dspr2);
52}
53
54#if defined(__i386__) || defined(__x86_64__) || \
55    defined(_M_IX86) || defined(_M_X64)
56TEST_F(libyuvTest, TestCpuId) {
57  int has_x86 = TestCpuFlag(kCpuHasX86);
58  if (has_x86) {
59    uint32 cpu_info[4];
60    // Vendor ID:
61    // AuthenticAMD AMD processor
62    // CentaurHauls Centaur processor
63    // CyrixInstead Cyrix processor
64    // GenuineIntel Intel processor
65    // GenuineTMx86 Transmeta processor
66    // Geode by NSC National Semiconductor processor
67    // NexGenDriven NexGen processor
68    // RiseRiseRise Rise Technology processor
69    // SiS SiS SiS  SiS processor
70    // UMC UMC UMC  UMC processor
71    CpuId(0, 0, cpu_info);
72    cpu_info[0] = cpu_info[1];  // Reorder output
73    cpu_info[1] = cpu_info[3];
74    cpu_info[3] = 0;
75    printf("Cpu Vendor: %s %x %x %x\n", reinterpret_cast<char*>(&cpu_info[0]),
76           cpu_info[0], cpu_info[1], cpu_info[2]);
77    EXPECT_EQ(12, strlen(reinterpret_cast<char*>(&cpu_info[0])));
78
79    // CPU Family and Model
80    // 3:0 - Stepping
81    // 7:4 - Model
82    // 11:8 - Family
83    // 13:12 - Processor Type
84    // 19:16 - Extended Model
85    // 27:20 - Extended Family
86    CpuId(1, 0, cpu_info);
87    int family = ((cpu_info[0] >> 8) & 0x0f) | ((cpu_info[0] >> 16) & 0xff0);
88    int model = ((cpu_info[0] >> 4) & 0x0f) | ((cpu_info[0] >> 12) & 0xf0);
89    printf("Cpu Family %d (0x%x), Model %d (0x%x)\n", family, family,
90           model, model);
91  }
92}
93#endif
94
95static int FileExists(const char* file_name) {
96  FILE* f = fopen(file_name, "r");
97  if (!f) {
98    return 0;
99  }
100  fclose(f);
101  return 1;
102}
103
104TEST_F(libyuvTest, TestLinuxNeon) {
105  if (FileExists("../../unit_test/testdata/arm_v7.txt")) {
106    EXPECT_EQ(0, ArmCpuCaps("../../unit_test/testdata/arm_v7.txt"));
107    EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/tegra3.txt"));
108  } else {
109    printf("WARNING: unable to load \"../../unit_test/testdata/arm_v7.txt\"\n");
110  }
111#if defined(__linux__) && defined(__ARM_NEON__)
112  EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("/proc/cpuinfo"));
113#endif
114}
115
116}  // namespace libyuv
117