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1 // Copyright 2017 Google LLC
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 
15 #include "cpuinfo_x86.h"
16 
17 #include <cassert>
18 #include <cstdio>
19 #include <map>
20 #include <set>
21 #if defined(CPU_FEATURES_OS_WINDOWS)
22 #include <windows.h>  // IsProcessorFeaturePresent
23 #endif                // CPU_FEATURES_OS_WINDOWS
24 
25 #include "filesystem_for_testing.h"
26 #include "gtest/gtest.h"
27 #include "internal/cpuid_x86.h"
28 
29 namespace cpu_features {
30 
31 class FakeCpu {
32  public:
GetCpuidLeaf(uint32_t leaf_id,int ecx) const33   Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx) const {
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};
39   }
40 
GetXCR0Eax() const41   uint32_t GetXCR0Eax() const { return xcr0_eax_; }
42 
SetLeaves(std::map<std::pair<uint32_t,int>,Leaf> configuration)43   void SetLeaves(std::map<std::pair<uint32_t, int>, Leaf> configuration) {
44     cpuid_leaves_ = std::move(configuration);
45   }
46 
SetOsBackupsExtendedRegisters(bool os_backups_extended_registers)47   void SetOsBackupsExtendedRegisters(bool os_backups_extended_registers) {
48     xcr0_eax_ = os_backups_extended_registers ? -1 : 0;
49   }
50 
51 #if defined(CPU_FEATURES_OS_MACOS)
GetDarwinSysCtlByName(std::string name) const52   bool GetDarwinSysCtlByName(std::string name) const {
53     return darwin_sysctlbyname_.count(name);
54   }
55 
SetDarwinSysCtlByName(std::string name)56   void SetDarwinSysCtlByName(std::string name) {
57     darwin_sysctlbyname_.insert(name);
58   }
59 #endif  // CPU_FEATURES_OS_MACOS
60 
61 #if defined(CPU_FEATURES_OS_WINDOWS)
GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature)62   bool GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) {
63     return windows_isprocessorfeaturepresent_.count(ProcessorFeature);
64   }
65 
SetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature)66   void SetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) {
67     windows_isprocessorfeaturepresent_.insert(ProcessorFeature);
68   }
69 #endif  // CPU_FEATURES_OS_WINDOWS
70 
71  private:
72   std::map<std::pair<uint32_t, int>, Leaf> cpuid_leaves_;
73 #if defined(CPU_FEATURES_OS_MACOS)
74   std::set<std::string> darwin_sysctlbyname_;
75 #endif  // CPU_FEATURES_OS_MACOS
76 #if defined(CPU_FEATURES_OS_WINDOWS)
77   std::set<DWORD> windows_isprocessorfeaturepresent_;
78 #endif  // CPU_FEATURES_OS_WINDOWS
79   uint32_t xcr0_eax_;
80 };
81 
82 static FakeCpu* g_fake_cpu_instance = nullptr;
83 
cpu()84 static FakeCpu& cpu() {
85   assert(g_fake_cpu_instance != nullptr);
86   return *g_fake_cpu_instance;
87 }
88 
GetCpuidLeaf(uint32_t leaf_id,int ecx)89 extern "C" Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx) {
90   return cpu().GetCpuidLeaf(leaf_id, ecx);
91 }
92 
GetXCR0Eax(void)93 extern "C" uint32_t GetXCR0Eax(void) { return cpu().GetXCR0Eax(); }
94 
95 #if defined(CPU_FEATURES_OS_MACOS)
GetDarwinSysCtlByName(const char * name)96 extern "C" bool GetDarwinSysCtlByName(const char* name) {
97   return cpu().GetDarwinSysCtlByName(name);
98 }
99 #endif  // CPU_FEATURES_OS_MACOS
100 
101 #if defined(CPU_FEATURES_OS_WINDOWS)
GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature)102 extern "C" bool GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) {
103   return cpu().GetWindowsIsProcessorFeaturePresent(ProcessorFeature);
104 }
105 #endif  // CPU_FEATURES_OS_WINDOWS
106 
107 namespace {
108 
109 class CpuidX86Test : public ::testing::Test {
110  protected:
SetUp()111   void SetUp() override {
112     assert(g_fake_cpu_instance == nullptr);
113     g_fake_cpu_instance = new FakeCpu();
114   }
TearDown()115   void TearDown() override {
116     delete g_fake_cpu_instance;
117     g_fake_cpu_instance = nullptr;
118   }
119 };
120 
TEST_F(CpuidX86Test,SandyBridge)121 TEST_F(CpuidX86Test, SandyBridge) {
122   cpu().SetOsBackupsExtendedRegisters(true);
123   cpu().SetLeaves({
124       {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}},
125       {{0x00000001, 0}, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}},
126       {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
127   });
128   const auto info = GetX86Info();
129   EXPECT_STREQ(info.vendor, "GenuineIntel");
130   EXPECT_EQ(info.family, 0x06);
131   EXPECT_EQ(info.model, 0x02A);
132   EXPECT_EQ(info.stepping, 0x06);
133   // Leaf 7 is zeroed out so none of the Leaf 7 flags are set.
134   const auto features = info.features;
135   EXPECT_FALSE(features.erms);
136   EXPECT_FALSE(features.avx2);
137   EXPECT_FALSE(features.avx512f);
138   EXPECT_FALSE(features.avx512cd);
139   EXPECT_FALSE(features.avx512er);
140   EXPECT_FALSE(features.avx512pf);
141   EXPECT_FALSE(features.avx512bw);
142   EXPECT_FALSE(features.avx512dq);
143   EXPECT_FALSE(features.avx512vl);
144   EXPECT_FALSE(features.avx512ifma);
145   EXPECT_FALSE(features.avx512vbmi);
146   EXPECT_FALSE(features.avx512vbmi2);
147   EXPECT_FALSE(features.avx512vnni);
148   EXPECT_FALSE(features.avx512bitalg);
149   EXPECT_FALSE(features.avx512vpopcntdq);
150   EXPECT_FALSE(features.avx512_4vnniw);
151   EXPECT_FALSE(features.avx512_4fmaps);
152   // All old cpu features should be set.
153   EXPECT_TRUE(features.aes);
154   EXPECT_TRUE(features.ssse3);
155   EXPECT_TRUE(features.sse4_1);
156   EXPECT_TRUE(features.sse4_2);
157   EXPECT_TRUE(features.avx);
158   EXPECT_FALSE(features.sha);
159   EXPECT_TRUE(features.popcnt);
160   EXPECT_FALSE(features.movbe);
161   EXPECT_FALSE(features.rdrnd);
162   EXPECT_FALSE(features.adx);
163 }
164 
165 const int UNDEF = -1;
166 const int KiB = 1024;
167 const int MiB = 1024 * KiB;
168 
TEST_F(CpuidX86Test,SandyBridgeTestOsSupport)169 TEST_F(CpuidX86Test, SandyBridgeTestOsSupport) {
170   cpu().SetLeaves({
171       {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}},
172       {{0x00000001, 0}, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}},
173       {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
174   });
175   // avx is disabled if os does not support backing up ymm registers.
176   cpu().SetOsBackupsExtendedRegisters(false);
177   EXPECT_FALSE(GetX86Info().features.avx);
178   // avx is disabled if os does not support backing up ymm registers.
179   cpu().SetOsBackupsExtendedRegisters(true);
180   EXPECT_TRUE(GetX86Info().features.avx);
181 }
182 
TEST_F(CpuidX86Test,SkyLake)183 TEST_F(CpuidX86Test, SkyLake) {
184   cpu().SetOsBackupsExtendedRegisters(true);
185   cpu().SetLeaves({
186       {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
187       {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}},
188       {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}},
189   });
190   const auto info = GetX86Info();
191   EXPECT_STREQ(info.vendor, "GenuineIntel");
192   EXPECT_EQ(info.family, 0x06);
193   EXPECT_EQ(info.model, 0x04E);
194   EXPECT_EQ(info.stepping, 0x03);
195   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_SKL);
196 }
197 
TEST_F(CpuidX86Test,Branding)198 TEST_F(CpuidX86Test, Branding) {
199   cpu().SetLeaves({
200       {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
201       {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}},
202       {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}},
203       {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
204       {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}},
205       {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}},
206       {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}},
207       {{0x80000004, 0}, Leaf{0x352E3220, 0x7A484730, 0x00000000, 0x00000000}},
208   });
209   char brand_string[49];
210   FillX86BrandString(brand_string);
211   EXPECT_STREQ(brand_string, "Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz");
212 }
213 
TEST_F(CpuidX86Test,KabyLakeCache)214 TEST_F(CpuidX86Test, KabyLakeCache) {
215   cpu().SetLeaves({
216       {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
217       {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}},
218       {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}},
219       {{0x00000004, 1}, Leaf{0x1C004122, 0x01C0003F, 0x0000003F, 0x00000000}},
220       {{0x00000004, 2}, Leaf{0x1C004143, 0x00C0003F, 0x000003FF, 0x00000000}},
221       {{0x00000004, 3}, Leaf{0x1C03C163, 0x02C0003F, 0x00001FFF, 0x00000002}},
222       {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}},
223       {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
224       {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}},
225       {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}},
226       {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}},
227   });
228   const auto info = GetX86CacheInfo();
229   EXPECT_EQ(info.size, 4);
230   EXPECT_EQ(info.levels[0].level, 1);
231   EXPECT_EQ(info.levels[0].cache_type, 1);
232   EXPECT_EQ(info.levels[0].cache_size, 32 * KiB);
233   EXPECT_EQ(info.levels[0].ways, 8);
234   EXPECT_EQ(info.levels[0].line_size, 64);
235   EXPECT_EQ(info.levels[0].tlb_entries, 64);
236   EXPECT_EQ(info.levels[0].partitioning, 1);
237 
238   EXPECT_EQ(info.levels[1].level, 1);
239   EXPECT_EQ(info.levels[1].cache_type, 2);
240   EXPECT_EQ(info.levels[1].cache_size, 32 * KiB);
241   EXPECT_EQ(info.levels[1].ways, 8);
242   EXPECT_EQ(info.levels[1].line_size, 64);
243   EXPECT_EQ(info.levels[1].tlb_entries, 64);
244   EXPECT_EQ(info.levels[1].partitioning, 1);
245 
246   EXPECT_EQ(info.levels[2].level, 2);
247   EXPECT_EQ(info.levels[2].cache_type, 3);
248   EXPECT_EQ(info.levels[2].cache_size, 256 * KiB);
249   EXPECT_EQ(info.levels[2].ways, 4);
250   EXPECT_EQ(info.levels[2].line_size, 64);
251   EXPECT_EQ(info.levels[2].tlb_entries, 1024);
252   EXPECT_EQ(info.levels[2].partitioning, 1);
253 
254   EXPECT_EQ(info.levels[3].level, 3);
255   EXPECT_EQ(info.levels[3].cache_type, 3);
256   EXPECT_EQ(info.levels[3].cache_size, 6 * MiB);
257   EXPECT_EQ(info.levels[3].ways, 12);
258   EXPECT_EQ(info.levels[3].line_size, 64);
259   EXPECT_EQ(info.levels[3].tlb_entries, 8192);
260   EXPECT_EQ(info.levels[3].partitioning, 1);
261 }
262 
TEST_F(CpuidX86Test,HSWCache)263 TEST_F(CpuidX86Test, HSWCache) {
264   cpu().SetLeaves({
265       {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
266       {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}},
267       {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}},
268       {{0x00000004, 1}, Leaf{0x1C004122, 0x01C0003F, 0x0000003F, 0x00000000}},
269       {{0x00000004, 2}, Leaf{0x1C004143, 0x01C0003F, 0x000001FF, 0x00000000}},
270       {{0x00000004, 3}, Leaf{0x1C03C163, 0x02C0003F, 0x00001FFF, 0x00000006}},
271       {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}},
272       {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
273       {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}},
274       {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}},
275       {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}},
276   });
277   const auto info = GetX86CacheInfo();
278   EXPECT_EQ(info.size, 4);
279   EXPECT_EQ(info.levels[0].level, 1);
280   EXPECT_EQ(info.levels[0].cache_type, 1);
281   EXPECT_EQ(info.levels[0].cache_size, 32 * KiB);
282   EXPECT_EQ(info.levels[0].ways, 8);
283   EXPECT_EQ(info.levels[0].line_size, 64);
284   EXPECT_EQ(info.levels[0].tlb_entries, 64);
285   EXPECT_EQ(info.levels[0].partitioning, 1);
286 
287   EXPECT_EQ(info.levels[1].level, 1);
288   EXPECT_EQ(info.levels[1].cache_type, 2);
289   EXPECT_EQ(info.levels[1].cache_size, 32 * KiB);
290   EXPECT_EQ(info.levels[1].ways, 8);
291   EXPECT_EQ(info.levels[1].line_size, 64);
292   EXPECT_EQ(info.levels[1].tlb_entries, 64);
293   EXPECT_EQ(info.levels[1].partitioning, 1);
294 
295   EXPECT_EQ(info.levels[2].level, 2);
296   EXPECT_EQ(info.levels[2].cache_type, 3);
297   EXPECT_EQ(info.levels[2].cache_size, 256 * KiB);
298   EXPECT_EQ(info.levels[2].ways, 8);
299   EXPECT_EQ(info.levels[2].line_size, 64);
300   EXPECT_EQ(info.levels[2].tlb_entries, 512);
301   EXPECT_EQ(info.levels[2].partitioning, 1);
302 
303   EXPECT_EQ(info.levels[3].level, 3);
304   EXPECT_EQ(info.levels[3].cache_type, 3);
305   EXPECT_EQ(info.levels[3].cache_size, 6 * MiB);
306   EXPECT_EQ(info.levels[3].ways, 12);
307   EXPECT_EQ(info.levels[3].line_size, 64);
308   EXPECT_EQ(info.levels[3].tlb_entries, 8192);
309   EXPECT_EQ(info.levels[3].partitioning, 1);
310 }
311 
312 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0200F30_K11_Griffin_CPUID.txt
TEST_F(CpuidX86Test,AMD_K11_GRIFFIN)313 TEST_F(CpuidX86Test, AMD_K11_GRIFFIN) {
314   cpu().SetLeaves({
315       {{0x00000000, 0}, Leaf{0x00000001, 0x68747541, 0x444D4163, 0x69746E65}},
316       {{0x00000001, 0}, Leaf{0x00200F30, 0x00020800, 0x00002001, 0x178BFBFF}},
317       {{0x80000000, 0}, Leaf{0x8000001A, 0x68747541, 0x444D4163, 0x69746E65}},
318       {{0x80000001, 0}, Leaf{0x00200F30, 0x20000000, 0x0000131F, 0xEBD3FBFF}},
319   });
320   const auto info = GetX86Info();
321 
322   EXPECT_STREQ(info.vendor, "AuthenticAMD");
323   EXPECT_EQ(info.family, 0x11);
324   EXPECT_EQ(info.model, 0x03);
325   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_K11);
326 }
327 
328 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0300F10_K12_Llano_CPUID.txt
TEST_F(CpuidX86Test,AMD_K12_LLANO)329 TEST_F(CpuidX86Test, AMD_K12_LLANO) {
330   cpu().SetLeaves({
331       {{0x00000000, 0}, Leaf{0x00000006, 0x68747541, 0x444D4163, 0x69746E65}},
332       {{0x00000001, 0}, Leaf{0x00300F10, 0x00040800, 0x00802009, 0x178BFBFF}},
333       {{0x80000000, 0}, Leaf{0x8000001B, 0x68747541, 0x444D4163, 0x69746E65}},
334       {{0x80000001, 0}, Leaf{0x00300F10, 0x20002B31, 0x000037FF, 0xEFD3FBFF}},
335   });
336   const auto info = GetX86Info();
337 
338   EXPECT_STREQ(info.vendor, "AuthenticAMD");
339   EXPECT_EQ(info.family, 0x12);
340   EXPECT_EQ(info.model, 0x01);
341   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_K12);
342 }
343 
344 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0500F01_K14_Bobcat_CPUID.txt
TEST_F(CpuidX86Test,AMD_K14_BOBCAT_AMD0500F01)345 TEST_F(CpuidX86Test, AMD_K14_BOBCAT_AMD0500F01) {
346   cpu().SetLeaves({
347       {{0x00000000, 0}, Leaf{0x00000006, 0x68747541, 0x444D4163, 0x69746E65}},
348       {{0x00000001, 0}, Leaf{0x00500F01, 0x00020800, 0x00802209, 0x178BFBFF}},
349       {{0x80000000, 0}, Leaf{0x8000001B, 0x68747541, 0x444D4163, 0x69746E65}},
350       {{0x80000001, 0}, Leaf{0x00500F01, 0x00000000, 0x000035FF, 0x2FD3FBFF}},
351   });
352   const auto info = GetX86Info();
353 
354   EXPECT_STREQ(info.vendor, "AuthenticAMD");
355   EXPECT_EQ(info.family, 0x14);
356   EXPECT_EQ(info.model, 0x00);
357   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_BOBCAT);
358 }
359 
360 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0500F10_K14_Bobcat_CPUID.txt
TEST_F(CpuidX86Test,AMD_K14_BOBCAT_AMD0500F10)361 TEST_F(CpuidX86Test, AMD_K14_BOBCAT_AMD0500F10) {
362   cpu().SetLeaves({
363       {{0x00000000, 0}, Leaf{0x00000006, 0x68747541, 0x444D4163, 0x69746E65}},
364       {{0x00000001, 0}, Leaf{0x00500F10, 0x00020800, 0x00802209, 0x178BFBFF}},
365       {{0x00000002, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
366       {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
367       {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x00000000}},
368       {{0x00000006, 0}, Leaf{0x00000000, 0x00000000, 0x00000001, 0x00000000}},
369       {{0x80000000, 0}, Leaf{0x8000001B, 0x68747541, 0x444D4163, 0x69746E65}},
370       {{0x80000001, 0}, Leaf{0x00500F10, 0x00001242, 0x000035FF, 0x2FD3FBFF}},
371       {{0x80000002, 0}, Leaf{0x20444D41, 0x35332D45, 0x72502030, 0x7365636F}},
372       {{0x80000003, 0}, Leaf{0x00726F73, 0x00000000, 0x00000000, 0x00000000}},
373       {{0x80000004, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
374       {{0x80000005, 0}, Leaf{0xFF08FF08, 0xFF280000, 0x20080140, 0x20020140}},
375   });
376   const auto info = GetX86Info();
377 
378   EXPECT_STREQ(info.vendor, "AuthenticAMD");
379   EXPECT_EQ(info.family, 0x14);
380   EXPECT_EQ(info.model, 0x01);
381   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_BOBCAT);
382 }
383 
384 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0500F20_K14_Bobcat_CPUID.txt
TEST_F(CpuidX86Test,AMD_K14_BOBCAT_AMD0500F20)385 TEST_F(CpuidX86Test, AMD_K14_BOBCAT_AMD0500F20) {
386   cpu().SetLeaves({
387       {{0x00000000, 0}, Leaf{0x00000006, 0x68747541, 0x444D4163, 0x69746E65}},
388       {{0x00000001, 0}, Leaf{0x00500F20, 0x00020800, 0x00802209, 0x178BFBFF}},
389       {{0x80000000, 0}, Leaf{0x8000001B, 0x68747541, 0x444D4163, 0x69746E65}},
390       {{0x80000001, 0}, Leaf{0x00500F20, 0x000012E9, 0x000035FF, 0x2FD3FBFF}},
391   });
392   const auto info = GetX86Info();
393 
394   EXPECT_STREQ(info.vendor, "AuthenticAMD");
395   EXPECT_EQ(info.family, 0x14);
396   EXPECT_EQ(info.model, 0x02);
397   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_BOBCAT);
398 }
399 
400 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0670F00_K15_StoneyRidge_CPUID.txt
TEST_F(CpuidX86Test,AMD_K15_EXCAVATOR_STONEY_RIDGE)401 TEST_F(CpuidX86Test, AMD_K15_EXCAVATOR_STONEY_RIDGE) {
402   cpu().SetLeaves({
403       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
404       {{0x00000001, 0}, Leaf{0x00670F00, 0x00020800, 0x7ED8320B, 0x178BFBFF}},
405       {{0x00000007, 0}, Leaf{0x00000000, 0x000001A9, 0x00000000, 0x00000000}},
406       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
407       {{0x80000001, 0}, Leaf{0x00670F00, 0x00000000, 0x2FABBFFF, 0x2FD3FBFF}},
408       {{0x80000002, 0}, Leaf{0x20444D41, 0x392D3941, 0x20303134, 0x45444152}},
409       {{0x80000003, 0}, Leaf{0x52204E4F, 0x35202C35, 0x4D4F4320, 0x45545550}},
410       {{0x80000004, 0}, Leaf{0x524F4320, 0x32205345, 0x47332B43, 0x00202020}},
411   });
412   const auto info = GetX86Info();
413 
414   EXPECT_STREQ(info.vendor, "AuthenticAMD");
415   EXPECT_EQ(info.family, 0x15);
416   EXPECT_EQ(info.model, 0x70);
417   EXPECT_STREQ(info.brand_string,
418                "AMD A9-9410 RADEON R5, 5 COMPUTE CORES 2C+3G   ");
419   EXPECT_EQ(GetX86Microarchitecture(&info),
420             X86Microarchitecture::AMD_EXCAVATOR);
421 
422   char brand_string[49];
423   FillX86BrandString(brand_string);
424   EXPECT_STREQ(brand_string, "AMD A9-9410 RADEON R5, 5 COMPUTE CORES 2C+3G   ");
425 }
426 
427 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0600F20_K15_AbuDhabi_CPUID0.txt
TEST_F(CpuidX86Test,AMD_K15_PILEDRIVER_ABU_DHABI)428 TEST_F(CpuidX86Test, AMD_K15_PILEDRIVER_ABU_DHABI) {
429   cpu().SetLeaves({
430       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
431       {{0x00000001, 0}, Leaf{0x00600F20, 0x00100800, 0x3E98320B, 0x178BFBFF}},
432       {{0x00000007, 0}, Leaf{0x00000000, 0x00000008, 0x00000000, 0x00000000}},
433       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
434       {{0x80000001, 0}, Leaf{0x00600F20, 0x30000000, 0x01EBBFFF, 0x2FD3FBFF}},
435       {{0x80000002, 0}, Leaf{0x20444D41, 0x6574704F, 0x286E6F72, 0x20296D74}},
436       {{0x80000003, 0}, Leaf{0x636F7250, 0x6F737365, 0x33362072, 0x20203637}},
437       {{0x80000004, 0}, Leaf{0x20202020, 0x20202020, 0x20202020, 0x00202020}},
438   });
439   const auto info = GetX86Info();
440 
441   EXPECT_STREQ(info.vendor, "AuthenticAMD");
442   EXPECT_EQ(info.family, 0x15);
443   EXPECT_EQ(info.model, 0x02);
444   EXPECT_STREQ(info.brand_string,
445                "AMD Opteron(tm) Processor 6376                 ");
446   EXPECT_EQ(GetX86Microarchitecture(&info),
447             X86Microarchitecture::AMD_PILEDRIVER);
448 
449   char brand_string[49];
450   FillX86BrandString(brand_string);
451   EXPECT_STREQ(brand_string, "AMD Opteron(tm) Processor 6376                 ");
452 }
453 
454 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0600F20_K15_AbuDhabi_CPUID0.txt
TEST_F(CpuidX86Test,AMD_K15_PILEDRIVER_ABU_DHABI_CACHE_INFO)455 TEST_F(CpuidX86Test, AMD_K15_PILEDRIVER_ABU_DHABI_CACHE_INFO) {
456   cpu().SetLeaves({
457       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
458       {{0x00000001, 0}, Leaf{0x00600F20, 0x00100800, 0x3E98320B, 0x178BFBFF}},
459       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
460       {{0x80000001, 0}, Leaf{0x00600F20, 0x30000000, 0x01EBBFFF, 0x2FD3FBFF}},
461       {{0x8000001D, 0}, Leaf{0x00000121, 0x00C0003F, 0x0000003F, 0x00000000}},
462       {{0x8000001D, 1}, Leaf{0x00004122, 0x0040003F, 0x000001FF, 0x00000000}},
463       {{0x8000001D, 2}, Leaf{0x00004143, 0x03C0003F, 0x000007FF, 0x00000001}},
464       {{0x8000001D, 3}, Leaf{0x0001C163, 0x0BC0003F, 0x000007FF, 0x00000001}},
465   });
466   const auto info = GetX86CacheInfo();
467 
468   EXPECT_EQ(info.size, 4);
469   EXPECT_EQ(info.levels[0].level, 1);
470   EXPECT_EQ(info.levels[0].cache_type, 1);
471   EXPECT_EQ(info.levels[0].cache_size, 16 * KiB);
472   EXPECT_EQ(info.levels[0].ways, 4);
473   EXPECT_EQ(info.levels[0].line_size, 64);
474   EXPECT_EQ(info.levels[0].tlb_entries, 64);
475   EXPECT_EQ(info.levels[0].partitioning, 1);
476 
477   EXPECT_EQ(info.levels[1].level, 1);
478   EXPECT_EQ(info.levels[1].cache_type, 2);
479   EXPECT_EQ(info.levels[1].cache_size, 64 * KiB);
480   EXPECT_EQ(info.levels[1].ways, 2);
481   EXPECT_EQ(info.levels[1].line_size, 64);
482   EXPECT_EQ(info.levels[1].tlb_entries, 512);
483   EXPECT_EQ(info.levels[1].partitioning, 1);
484 
485   EXPECT_EQ(info.levels[2].level, 2);
486   EXPECT_EQ(info.levels[2].cache_type, 3);
487   EXPECT_EQ(info.levels[2].cache_size, 2 * MiB);
488   EXPECT_EQ(info.levels[2].ways, 16);
489   EXPECT_EQ(info.levels[2].line_size, 64);
490   EXPECT_EQ(info.levels[2].tlb_entries, 2048);
491   EXPECT_EQ(info.levels[2].partitioning, 1);
492 
493   EXPECT_EQ(info.levels[3].level, 3);
494   EXPECT_EQ(info.levels[3].cache_type, 3);
495   EXPECT_EQ(info.levels[3].cache_size, 6 * MiB);
496   EXPECT_EQ(info.levels[3].ways, 48);
497   EXPECT_EQ(info.levels[3].line_size, 64);
498   EXPECT_EQ(info.levels[3].tlb_entries, 2048);
499   EXPECT_EQ(info.levels[3].partitioning, 1);
500 }
501 
502 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0600F12_K15_Interlagos_CPUID3.txt
TEST_F(CpuidX86Test,AMD_K15_BULLDOZER_INTERLAGOS)503 TEST_F(CpuidX86Test, AMD_K15_BULLDOZER_INTERLAGOS) {
504   cpu().SetLeaves({
505       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
506       {{0x00000001, 0}, Leaf{0x00600F12, 0x000C0800, 0x1E98220B, 0x178BFBFF}},
507       {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
508       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
509       {{0x80000001, 0}, Leaf{0x00600F12, 0x30000000, 0x01C9BFFF, 0x2FD3FBFF}},
510       {{0x80000002, 0}, Leaf{0x20444D41, 0x6574704F, 0x286E6F72, 0x20294D54}},
511       {{0x80000003, 0}, Leaf{0x636F7250, 0x6F737365, 0x32362072, 0x20203833}},
512       {{0x80000004, 0}, Leaf{0x20202020, 0x20202020, 0x20202020, 0x00202020}},
513   });
514   const auto info = GetX86Info();
515 
516   EXPECT_STREQ(info.vendor, "AuthenticAMD");
517   EXPECT_EQ(info.family, 0x15);
518   EXPECT_EQ(info.model, 0x01);
519   EXPECT_STREQ(info.brand_string,
520                "AMD Opteron(TM) Processor 6238                 ");
521   EXPECT_EQ(GetX86Microarchitecture(&info),
522             X86Microarchitecture::AMD_BULLDOZER);
523 
524   char brand_string[49];
525   FillX86BrandString(brand_string);
526   EXPECT_STREQ(brand_string, "AMD Opteron(TM) Processor 6238                 ");
527 }
528 
529 // http://users.atw.hu/instlatx64/AuthenticAMD0630F81_K15_Godavari_CPUID.txt
TEST_F(CpuidX86Test,AMD_K15_STREAMROLLER_GODAVARI)530 TEST_F(CpuidX86Test, AMD_K15_STREAMROLLER_GODAVARI) {
531   cpu().SetLeaves({
532       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
533       {{0x00000001, 0}, Leaf{0x00630F81, 0x00040800, 0x3E98320B, 0x178BFBFF}},
534       {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
535       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
536       {{0x80000001, 0}, Leaf{0x00630F81, 0x10000000, 0x0FEBBFFF, 0x2FD3FBFF}},
537       {{0x80000002, 0}, Leaf{0x20444D41, 0x372D3841, 0x4B303736, 0x64615220}},
538       {{0x80000003, 0}, Leaf{0x206E6F65, 0x202C3752, 0x43203031, 0x75706D6F}},
539       {{0x80000004, 0}, Leaf{0x43206574, 0x7365726F, 0x2B433420, 0x00204736}},
540       {{0x80000005, 0}, Leaf{0xFF40FF18, 0xFF40FF30, 0x10040140, 0x60030140}},
541   });
542   const auto info = GetX86Info();
543 
544   EXPECT_STREQ(info.vendor, "AuthenticAMD");
545   EXPECT_EQ(info.family, 0x15);
546   EXPECT_EQ(info.model, 0x38);
547   EXPECT_EQ(info.stepping, 0x01);
548   EXPECT_STREQ(info.brand_string,
549                "AMD A8-7670K Radeon R7, 10 Compute Cores 4C+6G ");
550   EXPECT_EQ(GetX86Microarchitecture(&info),
551             X86Microarchitecture::AMD_STREAMROLLER);
552 
553   char brand_string[49];
554   FillX86BrandString(brand_string);
555   EXPECT_STREQ(brand_string, "AMD A8-7670K Radeon R7, 10 Compute Cores 4C+6G ");
556 }
557 
558 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0700F01_K16_Kabini_CPUID.txt
TEST_F(CpuidX86Test,AMD_K16_JAGUAR_KABINI)559 TEST_F(CpuidX86Test, AMD_K16_JAGUAR_KABINI) {
560   cpu().SetLeaves({
561       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
562       {{0x00000001, 0}, Leaf{0x00700F01, 0x00040800, 0x3ED8220B, 0x178BFBFF}},
563       {{0x00000007, 0}, Leaf{0x00000000, 0x00000008, 0x00000000, 0x00000000}},
564       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
565       {{0x80000001, 0}, Leaf{0x00700F01, 0x00000000, 0x154037FF, 0x2FD3FBFF}},
566       {{0x80000002, 0}, Leaf{0x20444D41, 0x352D3441, 0x20303030, 0x20555041}},
567       {{0x80000003, 0}, Leaf{0x68746977, 0x64615220, 0x286E6F65, 0x20294D54}},
568       {{0x80000004, 0}, Leaf{0x47204448, 0x68706172, 0x20736369, 0x00202020}},
569   });
570   const auto info = GetX86Info();
571 
572   EXPECT_STREQ(info.vendor, "AuthenticAMD");
573   EXPECT_EQ(info.family, 0x16);
574   EXPECT_EQ(info.model, 0x00);
575   EXPECT_STREQ(info.brand_string,
576                "AMD A4-5000 APU with Radeon(TM) HD Graphics    ");
577   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_JAGUAR);
578 
579   char brand_string[49];
580   FillX86BrandString(brand_string);
581   EXPECT_STREQ(brand_string, "AMD A4-5000 APU with Radeon(TM) HD Graphics    ");
582 }
583 
584 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0730F01_K16_Beema_CPUID2.txt
TEST_F(CpuidX86Test,AMD_K16_PUMA_BEEMA)585 TEST_F(CpuidX86Test, AMD_K16_PUMA_BEEMA) {
586   cpu().SetLeaves({
587       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
588       {{0x00000001, 0}, Leaf{0x00730F01, 0x00040800, 0x7ED8220B, 0x178BFBFF}},
589       {{0x00000007, 0}, Leaf{0x00000000, 0x00000008, 0x00000000, 0x00000000}},
590       {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
591       {{0x80000001, 0}, Leaf{0x00730F01, 0x00000000, 0x1D4037FF, 0x2FD3FBFF}},
592       {{0x80000002, 0}, Leaf{0x20444D41, 0x362D3641, 0x20303133, 0x20555041}},
593       {{0x80000003, 0}, Leaf{0x68746977, 0x444D4120, 0x64615220, 0x206E6F65}},
594       {{0x80000004, 0}, Leaf{0x47203452, 0x68706172, 0x20736369, 0x00202020}},
595   });
596   const auto info = GetX86Info();
597 
598   EXPECT_STREQ(info.vendor, "AuthenticAMD");
599   EXPECT_EQ(info.family, 0x16);
600   EXPECT_EQ(info.model, 0x30);
601   EXPECT_STREQ(info.brand_string,
602                "AMD A6-6310 APU with AMD Radeon R4 Graphics    ");
603   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_PUMA);
604 
605   char brand_string[49];
606   FillX86BrandString(brand_string);
607   EXPECT_STREQ(brand_string, "AMD A6-6310 APU with AMD Radeon R4 Graphics    ");
608 }
609 
610 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0820F01_K17_Dali_CPUID.txt
TEST_F(CpuidX86Test,AMD_K17_ZEN_DALI)611 TEST_F(CpuidX86Test, AMD_K17_ZEN_DALI) {
612   cpu().SetLeaves({
613       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
614       {{0x00000001, 0}, Leaf{0x00820F01, 0x00020800, 0x7ED8320B, 0x178BFBFF}},
615       {{0x00000007, 0}, Leaf{0x00000000, 0x209C01A9, 0x00000000, 0x00000000}},
616       {{0x80000000, 0}, Leaf{0x8000001F, 0x68747541, 0x444D4163, 0x69746E65}},
617       {{0x80000001, 0}, Leaf{0x00820F01, 0x00000000, 0x35C233FF, 0x2FD3FBFF}},
618       {{0x80000002, 0}, Leaf{0x20444D41, 0x30323033, 0x69772065, 0x52206874}},
619       {{0x80000003, 0}, Leaf{0x6F656461, 0x7247206E, 0x69687061, 0x20207363}},
620       {{0x80000004, 0}, Leaf{0x20202020, 0x20202020, 0x20202020, 0x00202020}},
621   });
622   const auto info = GetX86Info();
623 
624   EXPECT_STREQ(info.vendor, "AuthenticAMD");
625   EXPECT_EQ(info.family, 0x17);
626   EXPECT_EQ(info.model, 0x20);
627   EXPECT_STREQ(info.brand_string,
628                "AMD 3020e with Radeon Graphics                 ");
629   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN);
630 
631   char brand_string[49];
632   FillX86BrandString(brand_string);
633   EXPECT_STREQ(brand_string, "AMD 3020e with Radeon Graphics                 ");
634 }
635 
636 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0800F82_K17_ZenP_CPUID.txt
TEST_F(CpuidX86Test,AMD_K17_ZEN_PLUS_PINNACLE_RIDGE)637 TEST_F(CpuidX86Test, AMD_K17_ZEN_PLUS_PINNACLE_RIDGE) {
638   cpu().SetLeaves({
639       {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
640       {{0x00000001, 0}, Leaf{0x00800F82, 0x00100800, 0x7ED8320B, 0x178BFBFF}},
641       {{0x00000007, 0}, Leaf{0x00000000, 0x209C01A9, 0x00000000, 0x00000000}},
642       {{0x80000000, 0}, Leaf{0x8000001F, 0x68747541, 0x444D4163, 0x69746E65}},
643       {{0x80000001, 0}, Leaf{0x00800F82, 0x20000000, 0x35C233FF, 0x2FD3FBFF}},
644       {{0x80000002, 0}, Leaf{0x20444D41, 0x657A7952, 0x2037206E, 0x30303732}},
645       {{0x80000003, 0}, Leaf{0x69452058, 0x2D746867, 0x65726F43, 0x6F725020}},
646       {{0x80000004, 0}, Leaf{0x73736563, 0x2020726F, 0x20202020, 0x00202020}},
647   });
648   const auto info = GetX86Info();
649 
650   EXPECT_STREQ(info.vendor, "AuthenticAMD");
651   EXPECT_EQ(info.family, 0x17);
652   EXPECT_EQ(info.model, 0x08);
653   EXPECT_STREQ(info.brand_string,
654                "AMD Ryzen 7 2700X Eight-Core Processor         ");
655   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN_PLUS);
656 
657   char brand_string[49];
658   FillX86BrandString(brand_string);
659   EXPECT_STREQ(brand_string, "AMD Ryzen 7 2700X Eight-Core Processor         ");
660 }
661 
662 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0840F70_K17_CPUID.txt
TEST_F(CpuidX86Test,AMD_K17_ZEN2_XBOX_SERIES_X)663 TEST_F(CpuidX86Test, AMD_K17_ZEN2_XBOX_SERIES_X) {
664   cpu().SetLeaves({
665       {{0x00000000, 0}, Leaf{0x00000010, 0x68747541, 0x444D4163, 0x69746E65}},
666       {{0x00000001, 0}, Leaf{0x00840F70, 0x00100800, 0x7ED8320B, 0x178BFBFF}},
667       {{0x00000007, 0}, Leaf{0x00000000, 0x219C91A9, 0x00400004, 0x00000000}},
668       {{0x80000000, 0}, Leaf{0x80000020, 0x68747541, 0x444D4163, 0x69746E65}},
669       {{0x80000001, 0}, Leaf{0x00840F70, 0x00000000, 0xF5C2B7FF, 0x2FD3FBFF}},
670       {{0x80000002, 0}, Leaf{0x20444D41, 0x30303734, 0x2D382053, 0x65726F43}},
671       {{0x80000003, 0}, Leaf{0x6F725020, 0x73736563, 0x4420726F, 0x746B7365}},
672       {{0x80000004, 0}, Leaf{0x4B20706F, 0x00007469, 0x00000000, 0x00000000}},
673   });
674   const auto info = GetX86Info();
675 
676   EXPECT_STREQ(info.vendor, "AuthenticAMD");
677   EXPECT_EQ(info.family, 0x17);
678   EXPECT_EQ(info.model, 0x47);
679   EXPECT_STREQ(info.brand_string, "AMD 4700S 8-Core Processor Desktop Kit");
680   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN2);
681 
682   char brand_string[49];
683   FillX86BrandString(brand_string);
684   EXPECT_STREQ(brand_string, "AMD 4700S 8-Core Processor Desktop Kit");
685 }
686 
687 // http://users.atw.hu/instlatx64/HygonGenuine/HygonGenuine0900F02_Hygon_CPUID3.txt
TEST_F(CpuidX86Test,AMD_K18_ZEN_DHYANA)688 TEST_F(CpuidX86Test, AMD_K18_ZEN_DHYANA) {
689   cpu().SetLeaves({
690       {{0x00000000, 0}, Leaf{0x0000000D, 0x6F677948, 0x656E6975, 0x6E65476E}},
691       {{0x00000001, 0}, Leaf{0x00900F02, 0x00100800, 0x74D83209, 0x178BFBFF}},
692       {{0x00000007, 0}, Leaf{0x00000000, 0x009C01A9, 0x0040068C, 0x00000000}},
693       {{0x80000000, 0}, Leaf{0x8000001F, 0x6F677948, 0x656E6975, 0x6E65476E}},
694       {{0x80000001, 0}, Leaf{0x00900F02, 0x60000000, 0x35C233FF, 0x2FD3FBFF}},
695       {{0x80000002, 0}, Leaf{0x6F677948, 0x3843206E, 0x31332036, 0x20203538}},
696       {{0x80000003, 0}, Leaf{0x6F632D38, 0x50206572, 0x65636F72, 0x726F7373}},
697       {{0x80000004, 0}, Leaf{0x20202020, 0x20202020, 0x20202020, 0x00202020}},
698   });
699   const auto info = GetX86Info();
700 
701   EXPECT_STREQ(info.vendor, "HygonGenuine");
702   EXPECT_EQ(info.family, 0x18);
703   EXPECT_EQ(info.model, 0x00);
704   EXPECT_STREQ(info.brand_string,
705                "Hygon C86 3185  8-core Processor               ");
706   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN);
707 
708   char brand_string[49];
709   FillX86BrandString(brand_string);
710   EXPECT_STREQ(brand_string, "Hygon C86 3185  8-core Processor               ");
711 }
712 
713 // http://users.atw.hu/instlatx64/HygonGenuine/HygonGenuine0900F02_Hygon_CPUID.txt
TEST_F(CpuidX86Test,AMD_K18_ZEN_DHYANA_CACHE_INFO)714 TEST_F(CpuidX86Test, AMD_K18_ZEN_DHYANA_CACHE_INFO) {
715   cpu().SetLeaves({
716       {{0x00000000, 0}, Leaf{0x0000000D, 0x6F677948, 0x656E6975, 0x6E65476E}},
717       {{0x00000001, 0}, Leaf{0x00900F02, 0x00100800, 0x74D83209, 0x178BFBFF}},
718       {{0x80000000, 0}, Leaf{0x8000001F, 0x6F677948, 0x656E6975, 0x6E65476E}},
719       {{0x80000001, 0}, Leaf{0x00900F02, 0x60000000, 0x35C233FF, 0x2FD3FBFF}},
720       {{0x8000001D, 0}, Leaf{0x00004121, 0x01C0003F, 0x0000003F, 0x00000000}},
721       {{0x8000001D, 1}, Leaf{0x00004122, 0x00C0003F, 0x000000FF, 0x00000000}},
722       {{0x8000001D, 2}, Leaf{0x00004143, 0x01C0003F, 0x000003FF, 0x00000002}},
723       {{0x8000001D, 3}, Leaf{0x0001C163, 0x03C0003F, 0x00001FFF, 0x00000001}},
724   });
725   const auto info = GetX86CacheInfo();
726 
727   EXPECT_EQ(info.size, 4);
728   EXPECT_EQ(info.levels[0].level, 1);
729   EXPECT_EQ(info.levels[0].cache_type, 1);
730   EXPECT_EQ(info.levels[0].cache_size, 32 * KiB);
731   EXPECT_EQ(info.levels[0].ways, 8);
732   EXPECT_EQ(info.levels[0].line_size, 64);
733   EXPECT_EQ(info.levels[0].tlb_entries, 64);
734   EXPECT_EQ(info.levels[0].partitioning, 1);
735 
736   EXPECT_EQ(info.levels[1].level, 1);
737   EXPECT_EQ(info.levels[1].cache_type, 2);
738   EXPECT_EQ(info.levels[1].cache_size, 64 * KiB);
739   EXPECT_EQ(info.levels[1].ways, 4);
740   EXPECT_EQ(info.levels[1].line_size, 64);
741   EXPECT_EQ(info.levels[1].tlb_entries, 256);
742   EXPECT_EQ(info.levels[1].partitioning, 1);
743 
744   EXPECT_EQ(info.levels[2].level, 2);
745   EXPECT_EQ(info.levels[2].cache_type, 3);
746   EXPECT_EQ(info.levels[2].cache_size, 512 * KiB);
747   EXPECT_EQ(info.levels[2].ways, 8);
748   EXPECT_EQ(info.levels[2].line_size, 64);
749   EXPECT_EQ(info.levels[2].tlb_entries, 1024);
750   EXPECT_EQ(info.levels[2].partitioning, 1);
751 
752   EXPECT_EQ(info.levels[3].level, 3);
753   EXPECT_EQ(info.levels[3].cache_type, 3);
754   EXPECT_EQ(info.levels[3].cache_size, 8 * MiB);
755   EXPECT_EQ(info.levels[3].ways, 16);
756   EXPECT_EQ(info.levels[3].line_size, 64);
757   EXPECT_EQ(info.levels[3].tlb_entries, 8192);
758   EXPECT_EQ(info.levels[3].partitioning, 1);
759 }
760 
761 // http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0A20F10_K19_Vermeer2_CPUID.txt
TEST_F(CpuidX86Test,AMD_K19_ZEN3_VERMEER)762 TEST_F(CpuidX86Test, AMD_K19_ZEN3_VERMEER) {
763   cpu().SetLeaves({
764       {{0x00000000, 0}, Leaf{0x00000010, 0x68747541, 0x444D4163, 0x69746E65}},
765       {{0x00000001, 0}, Leaf{0x00A20F10, 0x01180800, 0x7ED8320B, 0x178BFBFF}},
766       {{0x00000007, 0}, Leaf{0x00000000, 0x219C97A9, 0x0040068C, 0x00000000}},
767       {{0x80000000, 0}, Leaf{0x80000023, 0x68747541, 0x444D4163, 0x69746E65}},
768       {{0x80000001, 0}, Leaf{0x00A20F10, 0x20000000, 0x75C237FF, 0x2FD3FBFF}},
769       {{0x80000002, 0}, Leaf{0x20444D41, 0x657A7952, 0x2039206E, 0x30303935}},
770       {{0x80000003, 0}, Leaf{0x32312058, 0x726F432D, 0x72502065, 0x7365636F}},
771       {{0x80000004, 0}, Leaf{0x20726F73, 0x20202020, 0x20202020, 0x00202020}},
772   });
773   const auto info = GetX86Info();
774 
775   EXPECT_STREQ(info.vendor, "AuthenticAMD");
776   EXPECT_EQ(info.family, 0x19);
777   EXPECT_EQ(info.model, 0x21);
778   EXPECT_STREQ(info.brand_string,
779                "AMD Ryzen 9 5900X 12-Core Processor            ");
780   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN3);
781 
782   char brand_string[49];
783   FillX86BrandString(brand_string);
784   EXPECT_STREQ(brand_string, "AMD Ryzen 9 5900X 12-Core Processor            ");
785 }
786 
787 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel00106A1_Nehalem_CPUID.txt
TEST_F(CpuidX86Test,Nehalem)788 TEST_F(CpuidX86Test, Nehalem) {
789   // Pre AVX cpus don't have xsave
790   cpu().SetOsBackupsExtendedRegisters(false);
791 #if defined(CPU_FEATURES_OS_WINDOWS)
792   cpu().SetWindowsIsProcessorFeaturePresent(PF_XMMI_INSTRUCTIONS_AVAILABLE);
793   cpu().SetWindowsIsProcessorFeaturePresent(PF_XMMI64_INSTRUCTIONS_AVAILABLE);
794   cpu().SetWindowsIsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE);
795 #elif defined(CPU_FEATURES_OS_MACOS)
796   cpu().SetDarwinSysCtlByName("hw.optional.sse");
797   cpu().SetDarwinSysCtlByName("hw.optional.sse2");
798   cpu().SetDarwinSysCtlByName("hw.optional.sse3");
799   cpu().SetDarwinSysCtlByName("hw.optional.supplementalsse3");
800   cpu().SetDarwinSysCtlByName("hw.optional.sse4_1");
801   cpu().SetDarwinSysCtlByName("hw.optional.sse4_2");
802 #elif defined(CPU_FEATURES_OS_FREEBSD)
803   auto& fs = GetEmptyFilesystem();
804   fs.CreateFile("/var/run/dmesg.boot", R"(
805   ---<<BOOT>>---
806 Copyright (c) 1992-2020 The FreeBSD Project.
807 FreeBSD is a registered trademark of The FreeBSD Foundation.
808   Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
809   Features2=0x5eda2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,RDRAND>
810 real memory  = 2147418112 (2047 MB)
811 )");
812 #elif defined(CPU_FEATURES_OS_LINUX) || defined(CPU_FEATURES_OS_ANDROID)
813   auto& fs = GetEmptyFilesystem();
814   fs.CreateFile("/proc/cpuinfo", R"(processor       :
815 flags           : fpu mmx sse sse2 pni ssse3 sse4_1 sse4_2
816 )");
817 #endif
818   cpu().SetLeaves({
819       {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}},
820       {{0x00000001, 0}, Leaf{0x000106A2, 0x00100800, 0x00BCE3BD, 0xBFEBFBFF}},
821       {{0x00000002, 0}, Leaf{0x55035A01, 0x00F0B0E3, 0x00000000, 0x09CA212C}},
822       {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
823       {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}},
824       {{0x00000004, 0}, Leaf{0x1C004122, 0x00C0003F, 0x0000007F, 0x00000000}},
825       {{0x00000004, 0}, Leaf{0x1C004143, 0x01C0003F, 0x000001FF, 0x00000000}},
826       {{0x00000004, 0}, Leaf{0x1C03C163, 0x03C0003F, 0x00000FFF, 0x00000002}},
827       {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x00021120}},
828       {{0x00000006, 0}, Leaf{0x00000001, 0x00000002, 0x00000001, 0x00000000}},
829       {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
830       {{0x00000008, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
831       {{0x00000009, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
832       {{0x0000000A, 0}, Leaf{0x07300403, 0x00000000, 0x00000000, 0x00000603}},
833       {{0x0000000B, 0}, Leaf{0x00000001, 0x00000001, 0x00000100, 0x00000000}},
834       {{0x0000000B, 0}, Leaf{0x00000004, 0x00000002, 0x00000201, 0x00000000}},
835       {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
836       {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000001, 0x28100000}},
837       {{0x80000002, 0}, Leaf{0x756E6547, 0x20656E69, 0x65746E49, 0x2952286C}},
838       {{0x80000003, 0}, Leaf{0x55504320, 0x20202020, 0x20202020, 0x40202020}},
839       {{0x80000004, 0}, Leaf{0x30303020, 0x20402030, 0x37382E31, 0x007A4847}},
840       {{0x80000005, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
841       {{0x80000006, 0}, Leaf{0x00000000, 0x00000000, 0x01006040, 0x00000000}},
842       {{0x80000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000100}},
843       {{0x80000008, 0}, Leaf{0x00003028, 0x00000000, 0x00000000, 0x00000000}},
844   });
845   const auto info = GetX86Info();
846 
847   EXPECT_STREQ(info.vendor, "GenuineIntel");
848   EXPECT_EQ(info.family, 0x06);
849   EXPECT_EQ(info.model, 0x1A);
850   EXPECT_EQ(info.stepping, 0x02);
851   EXPECT_STREQ(info.brand_string,
852                "Genuine Intel(R) CPU           @ 0000 @ 1.87GHz");
853   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_NHM);
854 
855   char brand_string[49];
856   FillX86BrandString(brand_string);
857   EXPECT_STREQ(brand_string, "Genuine Intel(R) CPU           @ 0000 @ 1.87GHz");
858 
859   EXPECT_TRUE(info.features.sse);
860   EXPECT_TRUE(info.features.sse2);
861   EXPECT_TRUE(info.features.sse3);
862 #if !defined(CPU_FEATURES_OS_WINDOWS)
863   // Currently disabled on Windows as IsProcessorFeaturePresent do not support
864   // feature detection > sse3.
865   EXPECT_TRUE(info.features.ssse3);
866   EXPECT_TRUE(info.features.sse4_1);
867   EXPECT_TRUE(info.features.sse4_2);
868 #endif  // !defined(CPU_FEATURES_OS_WINDOWS)
869 }
870 
871 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0030673_Silvermont3_CPUID.txt
TEST_F(CpuidX86Test,Atom)872 TEST_F(CpuidX86Test, Atom) {
873   // Pre AVX cpus don't have xsave
874   cpu().SetOsBackupsExtendedRegisters(false);
875 #if defined(CPU_FEATURES_OS_WINDOWS)
876   cpu().SetWindowsIsProcessorFeaturePresent(PF_XMMI_INSTRUCTIONS_AVAILABLE);
877   cpu().SetWindowsIsProcessorFeaturePresent(PF_XMMI64_INSTRUCTIONS_AVAILABLE);
878   cpu().SetWindowsIsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE);
879 #elif defined(CPU_FEATURES_OS_MACOS)
880   cpu().SetDarwinSysCtlByName("hw.optional.sse");
881   cpu().SetDarwinSysCtlByName("hw.optional.sse2");
882   cpu().SetDarwinSysCtlByName("hw.optional.sse3");
883   cpu().SetDarwinSysCtlByName("hw.optional.supplementalsse3");
884   cpu().SetDarwinSysCtlByName("hw.optional.sse4_1");
885   cpu().SetDarwinSysCtlByName("hw.optional.sse4_2");
886 #elif defined(CPU_FEATURES_OS_FREEBSD)
887   auto& fs = GetEmptyFilesystem();
888   fs.CreateFile("/var/run/dmesg.boot", R"(
889   ---<<BOOT>>---
890 Copyright (c) 1992-2020 The FreeBSD Project.
891 FreeBSD is a registered trademark of The FreeBSD Foundation.
892   Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
893   Features2=0x5eda2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,RDRAND>
894 real memory  = 2147418112 (2047 MB)
895 )");
896 #elif defined(CPU_FEATURES_OS_LINUX) || defined(CPU_FEATURES_OS_ANDROID)
897   auto& fs = GetEmptyFilesystem();
898   fs.CreateFile("/proc/cpuinfo", R"(
899 flags           : fpu mmx sse sse2 pni ssse3 sse4_1 sse4_2
900 )");
901 #endif
902   cpu().SetLeaves({
903       {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}},
904       {{0x00000001, 0}, Leaf{0x00030673, 0x00100800, 0x41D8E3BF, 0xBFEBFBFF}},
905       {{0x00000002, 0}, Leaf{0x61B3A001, 0x0000FFC2, 0x00000000, 0x00000000}},
906       {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
907       {{0x00000004, 0}, Leaf{0x1C000121, 0x0140003F, 0x0000003F, 0x00000001}},
908       {{0x00000004, 1}, Leaf{0x1C000122, 0x01C0003F, 0x0000003F, 0x00000001}},
909       {{0x00000004, 2}, Leaf{0x1C00C143, 0x03C0003F, 0x000003FF, 0x00000001}},
910       {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x33000020}},
911       {{0x00000006, 0}, Leaf{0x00000005, 0x00000002, 0x00000009, 0x00000000}},
912       {{0x00000007, 0}, Leaf{0x00000000, 0x00002282, 0x00000000, 0x00000000}},
913       {{0x00000008, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
914       {{0x00000009, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
915       {{0x0000000A, 0}, Leaf{0x07280203, 0x00000000, 0x00000000, 0x00004503}},
916       {{0x0000000B, 0}, Leaf{0x00000001, 0x00000001, 0x00000100, 0x00000000}},
917       {{0x0000000B, 1}, Leaf{0x00000004, 0x00000004, 0x00000201, 0x00000000}},
918       {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
919       {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000101, 0x28100000}},
920       {{0x80000002, 0}, Leaf{0x20202020, 0x6E492020, 0x286C6574, 0x43202952}},
921       {{0x80000003, 0}, Leaf{0x72656C65, 0x52286E6F, 0x50432029, 0x4A202055}},
922       {{0x80000004, 0}, Leaf{0x30303931, 0x20402020, 0x39392E31, 0x007A4847}},
923       {{0x80000005, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
924       {{0x80000006, 0}, Leaf{0x00000000, 0x00000000, 0x04008040, 0x00000000}},
925       {{0x80000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000100}},
926       {{0x80000008, 0}, Leaf{0x00003024, 0x00000000, 0x00000000, 0x00000000}},
927   });
928   const auto info = GetX86Info();
929 
930   EXPECT_STREQ(info.vendor, "GenuineIntel");
931   EXPECT_EQ(info.family, 0x06);
932   EXPECT_EQ(info.model, 0x37);
933   EXPECT_EQ(info.stepping, 0x03);
934   EXPECT_STREQ(info.brand_string,
935                "      Intel(R) Celeron(R) CPU  J1900  @ 1.99GHz");
936   EXPECT_EQ(GetX86Microarchitecture(&info),
937             X86Microarchitecture::INTEL_ATOM_SMT);
938 
939   char brand_string[49];
940   FillX86BrandString(brand_string);
941   EXPECT_STREQ(brand_string, "      Intel(R) Celeron(R) CPU  J1900  @ 1.99GHz");
942 
943   EXPECT_TRUE(info.features.sse);
944   EXPECT_TRUE(info.features.sse2);
945   EXPECT_TRUE(info.features.sse3);
946 #if !defined(CPU_FEATURES_OS_WINDOWS)
947   // Currently disabled on Windows as IsProcessorFeaturePresent do not support
948   // feature detection > sse3.
949   EXPECT_TRUE(info.features.ssse3);
950   EXPECT_TRUE(info.features.sse4_1);
951   EXPECT_TRUE(info.features.sse4_2);
952 #endif  // !defined(CPU_FEATURES_OS_WINDOWS)
953 }
954 
955 // https://www.felixcloutier.com/x86/cpuid#example-3-1--example-of-cache-and-tlb-interpretation
TEST_F(CpuidX86Test,P4_CacheInfo)956 TEST_F(CpuidX86Test, P4_CacheInfo) {
957   cpu().SetLeaves({
958       {{0x00000000, 0}, Leaf{0x00000002, 0x756E6547, 0x6C65746E, 0x49656E69}},
959       {{0x00000001, 0}, Leaf{0x00000F0A, 0x00010808, 0x00000000, 0x3FEBFBFF}},
960       {{0x00000002, 0}, Leaf{0x665B5001, 0x00000000, 0x00000000, 0x007A7000}},
961   });
962 
963   const auto info = GetX86CacheInfo();
964   EXPECT_EQ(info.size, 5);
965 
966   EXPECT_EQ(info.levels[0].level, UNDEF);
967   EXPECT_EQ(info.levels[0].cache_type, CPU_FEATURE_CACHE_TLB);
968   EXPECT_EQ(info.levels[0].cache_size, 4 * KiB);
969   EXPECT_EQ(info.levels[0].ways, UNDEF);
970   EXPECT_EQ(info.levels[0].line_size, UNDEF);
971   EXPECT_EQ(info.levels[0].tlb_entries, 64);
972   EXPECT_EQ(info.levels[0].partitioning, 0);
973 
974   EXPECT_EQ(info.levels[1].level, UNDEF);
975   EXPECT_EQ(info.levels[1].cache_type, CPU_FEATURE_CACHE_TLB);
976   EXPECT_EQ(info.levels[1].cache_size, 4 * KiB);
977   EXPECT_EQ(info.levels[1].ways, UNDEF);
978   EXPECT_EQ(info.levels[1].line_size, UNDEF);
979   EXPECT_EQ(info.levels[1].tlb_entries, 64);
980   EXPECT_EQ(info.levels[1].partitioning, 0);
981 
982   EXPECT_EQ(info.levels[2].level, 1);
983   EXPECT_EQ(info.levels[2].cache_type, CPU_FEATURE_CACHE_DATA);
984   EXPECT_EQ(info.levels[2].cache_size, 8 * KiB);
985   EXPECT_EQ(info.levels[2].ways, 4);
986   EXPECT_EQ(info.levels[2].line_size, 64);
987   EXPECT_EQ(info.levels[2].tlb_entries, UNDEF);
988   EXPECT_EQ(info.levels[2].partitioning, 0);
989 
990   EXPECT_EQ(info.levels[3].level, 1);
991   EXPECT_EQ(info.levels[3].cache_type, CPU_FEATURE_CACHE_INSTRUCTION);
992   EXPECT_EQ(info.levels[3].cache_size, 12 * KiB);
993   EXPECT_EQ(info.levels[3].ways, 8);
994   EXPECT_EQ(info.levels[3].line_size, UNDEF);
995   EXPECT_EQ(info.levels[3].tlb_entries, UNDEF);
996   EXPECT_EQ(info.levels[3].partitioning, 0);
997 
998   EXPECT_EQ(info.levels[4].level, 2);
999   EXPECT_EQ(info.levels[4].cache_type, CPU_FEATURE_CACHE_DATA);
1000   EXPECT_EQ(info.levels[4].cache_size, 256 * KiB);
1001   EXPECT_EQ(info.levels[4].ways, 8);
1002   EXPECT_EQ(info.levels[4].line_size, 64);
1003   EXPECT_EQ(info.levels[4].tlb_entries, UNDEF);
1004   EXPECT_EQ(info.levels[4].partitioning, 2);
1005 }
1006 
1007 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000673_P3_KatmaiDP_CPUID.txt
TEST_F(CpuidX86Test,P3)1008 TEST_F(CpuidX86Test, P3) {
1009   // Pre AVX cpus don't have xsave
1010   cpu().SetOsBackupsExtendedRegisters(false);
1011 #if defined(CPU_FEATURES_OS_WINDOWS)
1012   cpu().SetWindowsIsProcessorFeaturePresent(PF_XMMI_INSTRUCTIONS_AVAILABLE);
1013 #elif defined(CPU_FEATURES_OS_MACOS)
1014   cpu().SetDarwinSysCtlByName("hw.optional.sse");
1015 #elif defined(CPU_FEATURES_OS_FREEBSD)
1016   auto& fs = GetEmptyFilesystem();
1017   fs.CreateFile("/var/run/dmesg.boot", R"(
1018   ---<<BOOT>>---
1019 Copyright (c) 1992-2020 The FreeBSD Project.
1020 FreeBSD is a registered trademark of The FreeBSD Foundation.
1021   Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
1022 real memory  = 2147418112 (2047 MB)
1023 )");
1024 #elif defined(CPU_FEATURES_OS_LINUX) || defined(CPU_FEATURES_OS_ANDROID)
1025   auto& fs = GetEmptyFilesystem();
1026   fs.CreateFile("/proc/cpuinfo", R"(
1027 flags           : fpu mmx sse
1028 )");
1029 #endif
1030   cpu().SetLeaves({
1031       {{0x00000000, 0}, Leaf{0x00000003, 0x756E6547, 0x6C65746E, 0x49656E69}},
1032       {{0x00000001, 0}, Leaf{0x00000673, 0x00000000, 0x00000000, 0x0387FBFF}},
1033       {{0x00000002, 0}, Leaf{0x03020101, 0x00000000, 0x00000000, 0x0C040843}},
1034       {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x4CECC782, 0x00006778}},
1035   });
1036   const auto info = GetX86Info();
1037 
1038   EXPECT_STREQ(info.vendor, "GenuineIntel");
1039   EXPECT_EQ(info.family, 0x06);
1040   EXPECT_EQ(info.model, 0x07);
1041   EXPECT_EQ(info.stepping, 0x03);
1042   EXPECT_STREQ(info.brand_string, "");
1043   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::X86_UNKNOWN);
1044 
1045   char brand_string[49];
1046   FillX86BrandString(brand_string);
1047   EXPECT_STREQ(brand_string, "");
1048 
1049   EXPECT_TRUE(info.features.mmx);
1050   EXPECT_TRUE(info.features.sse);
1051   EXPECT_FALSE(info.features.sse2);
1052   EXPECT_FALSE(info.features.sse3);
1053 #if !defined(CPU_FEATURES_OS_WINDOWS)
1054   // Currently disabled on Windows as IsProcessorFeaturePresent do not support
1055   // feature detection > sse3.
1056   EXPECT_FALSE(info.features.ssse3);
1057   EXPECT_FALSE(info.features.sse4_1);
1058   EXPECT_FALSE(info.features.sse4_2);
1059 #endif  // !defined(CPU_FEATURES_OS_WINDOWS)
1060 }
1061 
1062 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000480_486_CPUID.txt
TEST_F(CpuidX86Test,INTEL_80486)1063 TEST_F(CpuidX86Test, INTEL_80486) {
1064   cpu().SetLeaves({
1065       {{0x00000000, 0}, Leaf{0x00000001, 0x756E6547, 0x6C65746E, 0x49656E69}},
1066       {{0x00000001, 0}, Leaf{0x00000480, 0x00000000, 0x00000000, 0x00000003}},
1067   });
1068   const auto info = GetX86Info();
1069 
1070   EXPECT_STREQ(info.vendor, "GenuineIntel");
1071   EXPECT_EQ(info.family, 0x04);
1072   EXPECT_EQ(info.model, 0x08);
1073   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_80486);
1074 }
1075 
1076 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000526_P54C_CPUID.txt
TEST_F(CpuidX86Test,INTEL_P54C)1077 TEST_F(CpuidX86Test, INTEL_P54C) {
1078   cpu().SetLeaves({
1079       {{0x00000000, 0}, Leaf{0x00000001, 0x756E6547, 0x6C65746E, 0x49656E69}},
1080       {{0x00000001, 0}, Leaf{0x00000525, 0x00000000, 0x00000000, 0x000001BF}},
1081   });
1082   const auto info = GetX86Info();
1083 
1084   EXPECT_STREQ(info.vendor, "GenuineIntel");
1085   EXPECT_EQ(info.family, 0x05);
1086   EXPECT_EQ(info.model, 0x02);
1087   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_P5);
1088 }
1089 
1090 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000590_Lakemont_CPUID2.txt
TEST_F(CpuidX86Test,INTEL_LAKEMONT)1091 TEST_F(CpuidX86Test, INTEL_LAKEMONT) {
1092   cpu().SetLeaves({
1093       {{0x00000000, 0}, Leaf{0x00000002, 0x756E6547, 0x6c65746E, 0x49656E69}},
1094       {{0x00000001, 0}, Leaf{0x00000590, 0x00000000, 0x00010200, 0x8000237B}},
1095   });
1096   const auto info = GetX86Info();
1097 
1098   EXPECT_STREQ(info.vendor, "GenuineIntel");
1099   EXPECT_EQ(info.family, 0x05);
1100   EXPECT_EQ(info.model, 0x09);
1101   EXPECT_EQ(GetX86Microarchitecture(&info),
1102             X86Microarchitecture::INTEL_LAKEMONT);
1103 }
1104 
1105 // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0050670_KnightsLanding_CPUID.txt
TEST_F(CpuidX86Test,INTEL_KNIGHTS_LANDING)1106 TEST_F(CpuidX86Test, INTEL_KNIGHTS_LANDING) {
1107   cpu().SetLeaves({
1108       {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}},
1109       {{0x00000001, 0}, Leaf{0x00050670, 0x02FF0800, 0x7FF8F3BF, 0xBFEBFBFF}},
1110   });
1111   const auto info = GetX86Info();
1112 
1113   EXPECT_STREQ(info.vendor, "GenuineIntel");
1114   EXPECT_EQ(info.family, 0x06);
1115   EXPECT_EQ(info.model, 0x57);
1116   EXPECT_EQ(GetX86Microarchitecture(&info),
1117             X86Microarchitecture::INTEL_KNIGHTS_L);
1118 }
1119 
1120 // https://github.com/google/cpu_features/issues/200
1121 // http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel00206F2_Eagleton_CPUID.txt
1122 #if defined(CPU_FEATURES_OS_WINDOWS)
TEST_F(CpuidX86Test,WIN_INTEL_WESTMERE_EX)1123 TEST_F(CpuidX86Test, WIN_INTEL_WESTMERE_EX) {
1124   cpu().SetLeaves({
1125       {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}},
1126       {{0x00000001, 0}, Leaf{0x000206F2, 0x00400800, 0x02BEE3FF, 0xBFEBFBFF}},
1127   });
1128   const auto info = GetX86Info();
1129 
1130   EXPECT_EQ(info.family, 0x06);
1131   EXPECT_EQ(info.model, 0x2F);
1132   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_WSM);
1133 
1134 #if (_WIN32_WINNT < 0x0601)  // before Win7
1135   EXPECT_FALSE(info.features.ssse3);
1136   EXPECT_FALSE(info.features.sse4_1);
1137   EXPECT_FALSE(info.features.sse4_2);
1138 #else
1139   EXPECT_TRUE(info.features.ssse3);
1140   EXPECT_TRUE(info.features.sse4_1);
1141   EXPECT_TRUE(info.features.sse4_2);
1142 #endif
1143 }
1144 #endif  // CPU_FEATURES_OS_WINDOWS
1145 
1146 // TODO(user): test what happens when xsave/osxsave are not present.
1147 // TODO(user): test what happens when xmm/ymm/zmm os support are not
1148 // present.
1149 
1150 }  // namespace
1151 }  // namespace cpu_features
1152