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 19 namespace libyuv { 20 21 TEST_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) 56 TEST_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 95 static 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 } 103 104 TEST_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