Guillaume Chatelet | 3cc8f31 | 2020-10-12 08:55:20 +0000 | [diff] [blame] | 1 | // Copyright 2017 Google LLC |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Guillaume Chatelet | 22a5362 | 2020-09-23 11:52:20 +0200 | [diff] [blame] | 15 | #include "cpuinfo_x86.h" |
| 16 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 17 | #include <cassert> |
| 18 | #include <cstdio> |
| 19 | #include <map> |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 20 | #include <set> |
| 21 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 22 | #include <windows.h> // IsProcessorFeaturePresent |
| 23 | #endif // CPU_FEATURES_OS_WINDOWS |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 24 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 25 | #include "filesystem_for_testing.h" |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 26 | #include "gtest/gtest.h" |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 27 | #include "internal/cpuid_x86.h" |
| 28 | |
| 29 | namespace cpu_features { |
| 30 | |
| 31 | class FakeCpu { |
| 32 | public: |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 33 | Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx) const { |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 34 | const auto itr = cpuid_leaves_.find(std::make_pair(leaf_id, ecx)); |
| 35 | if (itr != cpuid_leaves_.end()) { |
| 36 | return itr->second; |
| 37 | } |
| 38 | return {0, 0, 0, 0}; |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 39 | } |
| 40 | |
| 41 | uint32_t GetXCR0Eax() const { return xcr0_eax_; } |
| 42 | |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 43 | void SetLeaves(std::map<std::pair<uint32_t, int>, Leaf> configuration) { |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 44 | cpuid_leaves_ = std::move(configuration); |
| 45 | } |
| 46 | |
| 47 | void SetOsBackupsExtendedRegisters(bool os_backups_extended_registers) { |
| 48 | xcr0_eax_ = os_backups_extended_registers ? -1 : 0; |
| 49 | } |
| 50 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 51 | #if defined(CPU_FEATURES_OS_DARWIN) |
| 52 | bool GetDarwinSysCtlByName(std::string name) const { |
| 53 | return darwin_sysctlbyname_.count(name); |
| 54 | } |
| 55 | |
| 56 | void SetDarwinSysCtlByName(std::string name) { |
| 57 | darwin_sysctlbyname_.insert(name); |
| 58 | } |
| 59 | #endif // CPU_FEATURES_OS_DARWIN |
| 60 | |
| 61 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 62 | bool GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) { |
| 63 | return windows_isprocessorfeaturepresent_.count(ProcessorFeature); |
| 64 | } |
| 65 | |
| 66 | void SetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) { |
| 67 | windows_isprocessorfeaturepresent_.insert(ProcessorFeature); |
| 68 | } |
| 69 | #endif // CPU_FEATURES_OS_WINDOWS |
| 70 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 71 | private: |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 72 | std::map<std::pair<uint32_t, int>, Leaf> cpuid_leaves_; |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 73 | #if defined(CPU_FEATURES_OS_DARWIN) |
| 74 | std::set<std::string> darwin_sysctlbyname_; |
| 75 | #endif // CPU_FEATURES_OS_DARWIN |
| 76 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 77 | std::set<DWORD> windows_isprocessorfeaturepresent_; |
| 78 | #endif // CPU_FEATURES_OS_WINDOWS |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 79 | uint32_t xcr0_eax_; |
| 80 | }; |
| 81 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 82 | FakeCpu* g_fake_cpu = nullptr; |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 83 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 84 | extern "C" Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx) { |
| 85 | return g_fake_cpu->GetCpuidLeaf(leaf_id, ecx); |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 86 | } |
Artem Alekseev | bfb4cf9 | 2019-06-21 15:13:29 +0300 | [diff] [blame] | 87 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 88 | extern "C" uint32_t GetXCR0Eax(void) { return g_fake_cpu->GetXCR0Eax(); } |
| 89 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 90 | #if defined(CPU_FEATURES_OS_DARWIN) |
| 91 | extern "C" bool GetDarwinSysCtlByName(const char* name) { |
| 92 | return g_fake_cpu->GetDarwinSysCtlByName(name); |
| 93 | } |
| 94 | #endif // CPU_FEATURES_OS_DARWIN |
| 95 | |
| 96 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 97 | extern "C" bool GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) { |
| 98 | return g_fake_cpu->GetWindowsIsProcessorFeaturePresent(ProcessorFeature); |
| 99 | } |
| 100 | #endif // CPU_FEATURES_OS_WINDOWS |
| 101 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 102 | namespace { |
| 103 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 104 | class CpuidX86Test : public ::testing::Test { |
| 105 | protected: |
| 106 | void SetUp() override { g_fake_cpu = new FakeCpu(); } |
| 107 | void TearDown() override { delete g_fake_cpu; } |
| 108 | }; |
| 109 | |
| 110 | TEST_F(CpuidX86Test, SandyBridge) { |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 111 | g_fake_cpu->SetOsBackupsExtendedRegisters(true); |
| 112 | g_fake_cpu->SetLeaves({ |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 113 | {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 114 | {{0x00000001, 0}, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}}, |
| 115 | {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 116 | }); |
| 117 | const auto info = GetX86Info(); |
| 118 | EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| 119 | EXPECT_EQ(info.family, 0x06); |
| 120 | EXPECT_EQ(info.model, 0x02A); |
| 121 | EXPECT_EQ(info.stepping, 0x06); |
| 122 | // Leaf 7 is zeroed out so none of the Leaf 7 flags are set. |
| 123 | const auto features = info.features; |
| 124 | EXPECT_FALSE(features.erms); |
| 125 | EXPECT_FALSE(features.avx2); |
| 126 | EXPECT_FALSE(features.avx512f); |
| 127 | EXPECT_FALSE(features.avx512cd); |
| 128 | EXPECT_FALSE(features.avx512er); |
| 129 | EXPECT_FALSE(features.avx512pf); |
| 130 | EXPECT_FALSE(features.avx512bw); |
| 131 | EXPECT_FALSE(features.avx512dq); |
| 132 | EXPECT_FALSE(features.avx512vl); |
| 133 | EXPECT_FALSE(features.avx512ifma); |
| 134 | EXPECT_FALSE(features.avx512vbmi); |
| 135 | EXPECT_FALSE(features.avx512vbmi2); |
| 136 | EXPECT_FALSE(features.avx512vnni); |
| 137 | EXPECT_FALSE(features.avx512bitalg); |
| 138 | EXPECT_FALSE(features.avx512vpopcntdq); |
| 139 | EXPECT_FALSE(features.avx512_4vnniw); |
Jeff Hammond | 33bd72c | 2020-09-21 00:56:26 -0700 | [diff] [blame] | 140 | EXPECT_FALSE(features.avx512_4fmaps); |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 141 | // All old cpu features should be set. |
| 142 | EXPECT_TRUE(features.aes); |
| 143 | EXPECT_TRUE(features.ssse3); |
| 144 | EXPECT_TRUE(features.sse4_1); |
| 145 | EXPECT_TRUE(features.sse4_2); |
| 146 | EXPECT_TRUE(features.avx); |
Guillaume Chatelet | d395dfa | 2019-01-22 13:19:42 +0100 | [diff] [blame] | 147 | EXPECT_FALSE(features.sha); |
| 148 | EXPECT_TRUE(features.popcnt); |
| 149 | EXPECT_FALSE(features.movbe); |
| 150 | EXPECT_FALSE(features.rdrnd); |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 151 | } |
| 152 | |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 153 | const int KiB = 1024; |
| 154 | const int MiB = 1024 * KiB; |
| 155 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 156 | TEST_F(CpuidX86Test, SandyBridgeTestOsSupport) { |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 157 | g_fake_cpu->SetLeaves({ |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 158 | {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 159 | {{0x00000001, 0}, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}}, |
| 160 | {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 161 | }); |
| 162 | // avx is disabled if os does not support backing up ymm registers. |
| 163 | g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| 164 | EXPECT_FALSE(GetX86Info().features.avx); |
| 165 | // avx is disabled if os does not support backing up ymm registers. |
| 166 | g_fake_cpu->SetOsBackupsExtendedRegisters(true); |
| 167 | EXPECT_TRUE(GetX86Info().features.avx); |
| 168 | } |
| 169 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 170 | TEST_F(CpuidX86Test, SkyLake) { |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 171 | g_fake_cpu->SetOsBackupsExtendedRegisters(true); |
| 172 | g_fake_cpu->SetLeaves({ |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 173 | {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 174 | {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| 175 | {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 176 | }); |
| 177 | const auto info = GetX86Info(); |
| 178 | EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| 179 | EXPECT_EQ(info.family, 0x06); |
| 180 | EXPECT_EQ(info.model, 0x04E); |
| 181 | EXPECT_EQ(info.stepping, 0x03); |
| 182 | EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_SKL); |
| 183 | } |
| 184 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 185 | TEST_F(CpuidX86Test, Branding) { |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 186 | g_fake_cpu->SetLeaves({ |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 187 | {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 188 | {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| 189 | {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| 190 | {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| 191 | {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}}, |
| 192 | {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}}, |
| 193 | {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}}, |
| 194 | {{0x80000004, 0}, Leaf{0x352E3220, 0x7A484730, 0x00000000, 0x00000000}}, |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 195 | }); |
| 196 | char brand_string[49]; |
| 197 | FillX86BrandString(brand_string); |
| 198 | EXPECT_STREQ(brand_string, "Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz"); |
| 199 | } |
| 200 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 201 | TEST_F(CpuidX86Test, KabyLakeCache) { |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 202 | g_fake_cpu->SetLeaves({ |
| 203 | {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 204 | {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| 205 | {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| 206 | {{0x00000004, 1}, Leaf{0x1C004122, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| 207 | {{0x00000004, 2}, Leaf{0x1C004143, 0x00C0003F, 0x000003FF, 0x00000000}}, |
| 208 | {{0x00000004, 3}, Leaf{0x1C03C163, 0x02C0003F, 0x00001FFF, 0x00000002}}, |
| 209 | {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| 210 | {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| 211 | {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}}, |
| 212 | {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}}, |
| 213 | {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}}, |
| 214 | }); |
| 215 | const auto info = GetX86CacheInfo(); |
| 216 | EXPECT_EQ(info.size, 4); |
| 217 | EXPECT_EQ(info.levels[0].level, 1); |
| 218 | EXPECT_EQ(info.levels[0].cache_type, 1); |
| 219 | EXPECT_EQ(info.levels[0].cache_size, 32 * KiB); |
| 220 | EXPECT_EQ(info.levels[0].ways, 8); |
| 221 | EXPECT_EQ(info.levels[0].line_size, 64); |
| 222 | EXPECT_EQ(info.levels[0].tlb_entries, 64); |
| 223 | EXPECT_EQ(info.levels[0].partitioning, 1); |
| 224 | |
| 225 | EXPECT_EQ(info.levels[1].level, 1); |
| 226 | EXPECT_EQ(info.levels[1].cache_type, 2); |
| 227 | EXPECT_EQ(info.levels[1].cache_size, 32 * KiB); |
| 228 | EXPECT_EQ(info.levels[1].ways, 8); |
| 229 | EXPECT_EQ(info.levels[1].line_size, 64); |
| 230 | EXPECT_EQ(info.levels[1].tlb_entries, 64); |
| 231 | EXPECT_EQ(info.levels[1].partitioning, 1); |
| 232 | |
| 233 | EXPECT_EQ(info.levels[2].level, 2); |
| 234 | EXPECT_EQ(info.levels[2].cache_type, 3); |
| 235 | EXPECT_EQ(info.levels[2].cache_size, 256 * KiB); |
| 236 | EXPECT_EQ(info.levels[2].ways, 4); |
| 237 | EXPECT_EQ(info.levels[2].line_size, 64); |
| 238 | EXPECT_EQ(info.levels[2].tlb_entries, 1024); |
| 239 | EXPECT_EQ(info.levels[2].partitioning, 1); |
| 240 | |
| 241 | EXPECT_EQ(info.levels[3].level, 3); |
| 242 | EXPECT_EQ(info.levels[3].cache_type, 3); |
| 243 | EXPECT_EQ(info.levels[3].cache_size, 6 * MiB); |
| 244 | EXPECT_EQ(info.levels[3].ways, 12); |
| 245 | EXPECT_EQ(info.levels[3].line_size, 64); |
| 246 | EXPECT_EQ(info.levels[3].tlb_entries, 8192); |
| 247 | EXPECT_EQ(info.levels[3].partitioning, 1); |
| 248 | } |
| 249 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 250 | TEST_F(CpuidX86Test, HSWCache) { |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 251 | g_fake_cpu->SetLeaves({ |
| 252 | {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 253 | {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| 254 | {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| 255 | {{0x00000004, 1}, Leaf{0x1C004122, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| 256 | {{0x00000004, 2}, Leaf{0x1C004143, 0x01C0003F, 0x000001FF, 0x00000000}}, |
| 257 | {{0x00000004, 3}, Leaf{0x1C03C163, 0x02C0003F, 0x00001FFF, 0x00000006}}, |
| 258 | {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| 259 | {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| 260 | {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}}, |
| 261 | {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}}, |
| 262 | {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}}, |
| 263 | }); |
| 264 | const auto info = GetX86CacheInfo(); |
| 265 | EXPECT_EQ(info.size, 4); |
| 266 | EXPECT_EQ(info.levels[0].level, 1); |
| 267 | EXPECT_EQ(info.levels[0].cache_type, 1); |
| 268 | EXPECT_EQ(info.levels[0].cache_size, 32 * KiB); |
| 269 | EXPECT_EQ(info.levels[0].ways, 8); |
| 270 | EXPECT_EQ(info.levels[0].line_size, 64); |
| 271 | EXPECT_EQ(info.levels[0].tlb_entries, 64); |
| 272 | EXPECT_EQ(info.levels[0].partitioning, 1); |
| 273 | |
| 274 | EXPECT_EQ(info.levels[1].level, 1); |
| 275 | EXPECT_EQ(info.levels[1].cache_type, 2); |
| 276 | EXPECT_EQ(info.levels[1].cache_size, 32 * KiB); |
| 277 | EXPECT_EQ(info.levels[1].ways, 8); |
| 278 | EXPECT_EQ(info.levels[1].line_size, 64); |
| 279 | EXPECT_EQ(info.levels[1].tlb_entries, 64); |
| 280 | EXPECT_EQ(info.levels[1].partitioning, 1); |
| 281 | |
| 282 | EXPECT_EQ(info.levels[2].level, 2); |
| 283 | EXPECT_EQ(info.levels[2].cache_type, 3); |
| 284 | EXPECT_EQ(info.levels[2].cache_size, 256 * KiB); |
| 285 | EXPECT_EQ(info.levels[2].ways, 8); |
| 286 | EXPECT_EQ(info.levels[2].line_size, 64); |
| 287 | EXPECT_EQ(info.levels[2].tlb_entries, 512); |
| 288 | EXPECT_EQ(info.levels[2].partitioning, 1); |
| 289 | |
| 290 | EXPECT_EQ(info.levels[3].level, 3); |
| 291 | EXPECT_EQ(info.levels[3].cache_type, 3); |
| 292 | EXPECT_EQ(info.levels[3].cache_size, 6 * MiB); |
| 293 | EXPECT_EQ(info.levels[3].ways, 12); |
| 294 | EXPECT_EQ(info.levels[3].line_size, 64); |
| 295 | EXPECT_EQ(info.levels[3].tlb_entries, 8192); |
| 296 | EXPECT_EQ(info.levels[3].partitioning, 1); |
| 297 | } |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 298 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 299 | // http://users.atw.hu/instlatx64/AuthenticAMD0630F81_K15_Godavari_CPUID.txt |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 300 | TEST_F(CpuidX86Test, AMD_K15) { |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 301 | g_fake_cpu->SetLeaves({ |
Artem Alekseev | 653d581 | 2019-07-02 17:52:25 +0300 | [diff] [blame] | 302 | {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}}, |
| 303 | {{0x00000001, 0}, Leaf{0x00630F81, 0x00040800, 0x3E98320B, 0x178BFBFF}}, |
| 304 | {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 305 | {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}}, |
| 306 | {{0x80000001, 0}, Leaf{0x00630F81, 0x10000000, 0x0FEBBFFF, 0x2FD3FBFF}}, |
| 307 | {{0x80000002, 0}, Leaf{0x20444D41, 0x372D3841, 0x4B303736, 0x64615220}}, |
| 308 | {{0x80000003, 0}, Leaf{0x206E6F65, 0x202C3752, 0x43203031, 0x75706D6F}}, |
| 309 | {{0x80000004, 0}, Leaf{0x43206574, 0x7365726F, 0x2B433420, 0x00204736}}, |
| 310 | {{0x80000005, 0}, Leaf{0xFF40FF18, 0xFF40FF30, 0x10040140, 0x60030140}}, |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 311 | }); |
| 312 | const auto info = GetX86Info(); |
| 313 | |
| 314 | EXPECT_STREQ(info.vendor, "AuthenticAMD"); |
| 315 | EXPECT_EQ(info.family, 0x15); |
| 316 | EXPECT_EQ(info.model, 0x38); |
| 317 | EXPECT_EQ(info.stepping, 0x01); |
| 318 | EXPECT_EQ(GetX86Microarchitecture(&info), |
| 319 | X86Microarchitecture::AMD_BULLDOZER); |
| 320 | |
| 321 | char brand_string[49]; |
| 322 | FillX86BrandString(brand_string); |
| 323 | EXPECT_STREQ(brand_string, "AMD A8-7670K Radeon R7, 10 Compute Cores 4C+6G "); |
| 324 | } |
| 325 | |
Guillaume Chatelet | 4795373 | 2020-10-09 17:20:25 +0200 | [diff] [blame] | 326 | // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel00106A1_Nehalem_CPUID.txt |
| 327 | TEST_F(CpuidX86Test, Nehalem) { |
| 328 | // Pre AVX cpus don't have xsave |
| 329 | g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| 330 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 331 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 332 | PF_XMMI_INSTRUCTIONS_AVAILABLE); |
| 333 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 334 | PF_XMMI64_INSTRUCTIONS_AVAILABLE); |
| 335 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 336 | PF_SSE3_INSTRUCTIONS_AVAILABLE); |
| 337 | #endif // CPU_FEATURES_OS_WINDOWS |
| 338 | #if defined(CPU_FEATURES_OS_DARWIN) |
| 339 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse"); |
| 340 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse2"); |
| 341 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse3"); |
| 342 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.supplementalsse3"); |
| 343 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_1"); |
| 344 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_2"); |
| 345 | #endif // CPU_FEATURES_OS_DARWIN |
| 346 | #if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID) |
| 347 | auto& fs = GetEmptyFilesystem(); |
| 348 | fs.CreateFile("/proc/cpuinfo", R"(processor : |
| 349 | flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2 |
| 350 | )"); |
| 351 | #endif // CPU_FEATURES_OS_LINUX_OR_ANDROID |
| 352 | g_fake_cpu->SetLeaves({ |
| 353 | {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 354 | {{0x00000001, 0}, Leaf{0x000106A2, 0x00100800, 0x00BCE3BD, 0xBFEBFBFF}}, |
| 355 | {{0x00000002, 0}, Leaf{0x55035A01, 0x00F0B0E3, 0x00000000, 0x09CA212C}}, |
| 356 | {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 357 | {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| 358 | {{0x00000004, 0}, Leaf{0x1C004122, 0x00C0003F, 0x0000007F, 0x00000000}}, |
| 359 | {{0x00000004, 0}, Leaf{0x1C004143, 0x01C0003F, 0x000001FF, 0x00000000}}, |
| 360 | {{0x00000004, 0}, Leaf{0x1C03C163, 0x03C0003F, 0x00000FFF, 0x00000002}}, |
| 361 | {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x00021120}}, |
| 362 | {{0x00000006, 0}, Leaf{0x00000001, 0x00000002, 0x00000001, 0x00000000}}, |
| 363 | {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 364 | {{0x00000008, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 365 | {{0x00000009, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 366 | {{0x0000000A, 0}, Leaf{0x07300403, 0x00000000, 0x00000000, 0x00000603}}, |
| 367 | {{0x0000000B, 0}, Leaf{0x00000001, 0x00000001, 0x00000100, 0x00000000}}, |
| 368 | {{0x0000000B, 0}, Leaf{0x00000004, 0x00000002, 0x00000201, 0x00000000}}, |
| 369 | {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| 370 | {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000001, 0x28100000}}, |
| 371 | {{0x80000002, 0}, Leaf{0x756E6547, 0x20656E69, 0x65746E49, 0x2952286C}}, |
| 372 | {{0x80000003, 0}, Leaf{0x55504320, 0x20202020, 0x20202020, 0x40202020}}, |
| 373 | {{0x80000004, 0}, Leaf{0x30303020, 0x20402030, 0x37382E31, 0x007A4847}}, |
| 374 | {{0x80000005, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 375 | {{0x80000006, 0}, Leaf{0x00000000, 0x00000000, 0x01006040, 0x00000000}}, |
| 376 | {{0x80000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000100}}, |
| 377 | {{0x80000008, 0}, Leaf{0x00003028, 0x00000000, 0x00000000, 0x00000000}}, |
| 378 | }); |
| 379 | const auto info = GetX86Info(); |
| 380 | |
| 381 | EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| 382 | EXPECT_EQ(info.family, 0x06); |
| 383 | EXPECT_EQ(info.model, 0x1A); |
| 384 | EXPECT_EQ(info.stepping, 0x02); |
| 385 | EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_NHM); |
| 386 | |
| 387 | char brand_string[49]; |
| 388 | FillX86BrandString(brand_string); |
| 389 | EXPECT_STREQ(brand_string, "Genuine Intel(R) CPU @ 0000 @ 1.87GHz"); |
| 390 | |
| 391 | EXPECT_TRUE(info.features.sse); |
| 392 | EXPECT_TRUE(info.features.sse2); |
| 393 | EXPECT_TRUE(info.features.sse3); |
| 394 | #ifndef CPU_FEATURES_OS_WINDOWS |
| 395 | // Currently disabled on Windows as IsProcessorFeaturePresent do not support |
| 396 | // feature detection > sse3. |
| 397 | EXPECT_TRUE(info.features.ssse3); |
| 398 | EXPECT_TRUE(info.features.sse4_1); |
| 399 | EXPECT_TRUE(info.features.sse4_2); |
| 400 | #endif // CPU_FEATURES_OS_WINDOWS |
| 401 | } |
| 402 | |
| 403 | // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0030673_Silvermont3_CPUID.txt |
| 404 | TEST_F(CpuidX86Test, Atom) { |
| 405 | // Pre AVX cpus don't have xsave |
| 406 | g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| 407 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 408 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 409 | PF_XMMI_INSTRUCTIONS_AVAILABLE); |
| 410 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 411 | PF_XMMI64_INSTRUCTIONS_AVAILABLE); |
| 412 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 413 | PF_SSE3_INSTRUCTIONS_AVAILABLE); |
| 414 | #endif // CPU_FEATURES_OS_WINDOWS |
| 415 | #if defined(CPU_FEATURES_OS_DARWIN) |
| 416 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse"); |
| 417 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse2"); |
| 418 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse3"); |
| 419 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.supplementalsse3"); |
| 420 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_1"); |
| 421 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_2"); |
| 422 | #endif // CPU_FEATURES_OS_DARWIN |
| 423 | #if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID) |
| 424 | auto& fs = GetEmptyFilesystem(); |
| 425 | fs.CreateFile("/proc/cpuinfo", R"( |
| 426 | flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2 |
| 427 | )"); |
| 428 | #endif // CPU_FEATURES_OS_LINUX_OR_ANDROID |
| 429 | g_fake_cpu->SetLeaves({ |
| 430 | {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 431 | {{0x00000001, 0}, Leaf{0x00030673, 0x00100800, 0x41D8E3BF, 0xBFEBFBFF}}, |
| 432 | {{0x00000002, 0}, Leaf{0x61B3A001, 0x0000FFC2, 0x00000000, 0x00000000}}, |
| 433 | {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 434 | {{0x00000004, 0}, Leaf{0x1C000121, 0x0140003F, 0x0000003F, 0x00000001}}, |
| 435 | {{0x00000004, 1}, Leaf{0x1C000122, 0x01C0003F, 0x0000003F, 0x00000001}}, |
| 436 | {{0x00000004, 2}, Leaf{0x1C00C143, 0x03C0003F, 0x000003FF, 0x00000001}}, |
| 437 | {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x33000020}}, |
| 438 | {{0x00000006, 0}, Leaf{0x00000005, 0x00000002, 0x00000009, 0x00000000}}, |
| 439 | {{0x00000007, 0}, Leaf{0x00000000, 0x00002282, 0x00000000, 0x00000000}}, |
| 440 | {{0x00000008, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 441 | {{0x00000009, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 442 | {{0x0000000A, 0}, Leaf{0x07280203, 0x00000000, 0x00000000, 0x00004503}}, |
| 443 | {{0x0000000B, 0}, Leaf{0x00000001, 0x00000001, 0x00000100, 0x00000000}}, |
| 444 | {{0x0000000B, 1}, Leaf{0x00000004, 0x00000004, 0x00000201, 0x00000000}}, |
| 445 | {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| 446 | {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000101, 0x28100000}}, |
| 447 | {{0x80000002, 0}, Leaf{0x20202020, 0x6E492020, 0x286C6574, 0x43202952}}, |
| 448 | {{0x80000003, 0}, Leaf{0x72656C65, 0x52286E6F, 0x50432029, 0x4A202055}}, |
| 449 | {{0x80000004, 0}, Leaf{0x30303931, 0x20402020, 0x39392E31, 0x007A4847}}, |
| 450 | {{0x80000005, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| 451 | {{0x80000006, 0}, Leaf{0x00000000, 0x00000000, 0x04008040, 0x00000000}}, |
| 452 | {{0x80000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000100}}, |
| 453 | {{0x80000008, 0}, Leaf{0x00003024, 0x00000000, 0x00000000, 0x00000000}}, |
| 454 | }); |
| 455 | const auto info = GetX86Info(); |
| 456 | |
| 457 | EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| 458 | EXPECT_EQ(info.family, 0x06); |
| 459 | EXPECT_EQ(info.model, 0x37); |
| 460 | EXPECT_EQ(info.stepping, 0x03); |
| 461 | EXPECT_EQ(GetX86Microarchitecture(&info), |
| 462 | X86Microarchitecture::INTEL_ATOM_SMT); |
| 463 | |
| 464 | char brand_string[49]; |
| 465 | FillX86BrandString(brand_string); |
| 466 | EXPECT_STREQ(brand_string, " Intel(R) Celeron(R) CPU J1900 @ 1.99GHz"); |
| 467 | |
| 468 | EXPECT_TRUE(info.features.sse); |
| 469 | EXPECT_TRUE(info.features.sse2); |
| 470 | EXPECT_TRUE(info.features.sse3); |
| 471 | #ifndef CPU_FEATURES_OS_WINDOWS |
| 472 | // Currently disabled on Windows as IsProcessorFeaturePresent do not support |
| 473 | // feature detection > sse3. |
| 474 | EXPECT_TRUE(info.features.ssse3); |
| 475 | EXPECT_TRUE(info.features.sse4_1); |
| 476 | EXPECT_TRUE(info.features.sse4_2); |
| 477 | #endif // CPU_FEATURES_OS_WINDOWS |
| 478 | } |
| 479 | |
| 480 | // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000673_P3_KatmaiDP_CPUID.txt |
| 481 | TEST_F(CpuidX86Test, P3) { |
| 482 | // Pre AVX cpus don't have xsave |
| 483 | g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| 484 | #if defined(CPU_FEATURES_OS_WINDOWS) |
| 485 | g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| 486 | PF_XMMI_INSTRUCTIONS_AVAILABLE); |
| 487 | #endif // CPU_FEATURES_OS_WINDOWS |
| 488 | #if defined(CPU_FEATURES_OS_DARWIN) |
| 489 | g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse"); |
| 490 | #endif // CPU_FEATURES_OS_DARWIN |
| 491 | #if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID) |
| 492 | auto& fs = GetEmptyFilesystem(); |
| 493 | fs.CreateFile("/proc/cpuinfo", R"( |
| 494 | flags : fpu mmx sse |
| 495 | )"); |
| 496 | #endif // CPU_FEATURES_OS_LINUX_OR_ANDROID |
| 497 | g_fake_cpu->SetLeaves({ |
| 498 | {{0x00000000, 0}, Leaf{0x00000003, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| 499 | {{0x00000001, 0}, Leaf{0x00000673, 0x00000000, 0x00000000, 0x0387FBFF}}, |
| 500 | {{0x00000002, 0}, Leaf{0x03020101, 0x00000000, 0x00000000, 0x0C040843}}, |
| 501 | {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x4CECC782, 0x00006778}}, |
| 502 | }); |
| 503 | const auto info = GetX86Info(); |
| 504 | |
| 505 | EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| 506 | EXPECT_EQ(info.family, 0x06); |
| 507 | EXPECT_EQ(info.model, 0x07); |
| 508 | EXPECT_EQ(info.stepping, 0x03); |
| 509 | EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::X86_UNKNOWN); |
| 510 | |
| 511 | char brand_string[49]; |
| 512 | FillX86BrandString(brand_string); |
| 513 | EXPECT_STREQ(brand_string, ""); |
| 514 | |
| 515 | EXPECT_TRUE(info.features.mmx); |
| 516 | EXPECT_TRUE(info.features.sse); |
| 517 | EXPECT_FALSE(info.features.sse2); |
| 518 | EXPECT_FALSE(info.features.sse3); |
| 519 | #ifndef CPU_FEATURES_OS_WINDOWS |
| 520 | // Currently disabled on Windows as IsProcessorFeaturePresent do not support |
| 521 | // feature detection > sse3. |
| 522 | EXPECT_FALSE(info.features.ssse3); |
| 523 | EXPECT_FALSE(info.features.sse4_1); |
| 524 | EXPECT_FALSE(info.features.sse4_2); |
| 525 | #endif // CPU_FEATURES_OS_WINDOWS |
| 526 | } |
| 527 | |
Guillaume Chatelet | 439d371 | 2018-02-01 10:03:09 +0100 | [diff] [blame] | 528 | // TODO(user): test what happens when xsave/osxsave are not present. |
| 529 | // TODO(user): test what happens when xmm/ymm/zmm os support are not |
| 530 | // present. |
| 531 | |
| 532 | } // namespace |
| 533 | } // namespace cpu_features |