| // Copyright 2017 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "cpuinfo_x86.h" |
| |
| #include <cassert> |
| #include <cstdio> |
| #include <map> |
| #include <set> |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| #include <windows.h> // IsProcessorFeaturePresent |
| #endif // CPU_FEATURES_OS_WINDOWS |
| |
| #include "filesystem_for_testing.h" |
| #include "gtest/gtest.h" |
| #include "internal/cpuid_x86.h" |
| |
| namespace cpu_features { |
| |
| class FakeCpu { |
| public: |
| Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx) const { |
| const auto itr = cpuid_leaves_.find(std::make_pair(leaf_id, ecx)); |
| if (itr != cpuid_leaves_.end()) { |
| return itr->second; |
| } |
| return {0, 0, 0, 0}; |
| } |
| |
| uint32_t GetXCR0Eax() const { return xcr0_eax_; } |
| |
| void SetLeaves(std::map<std::pair<uint32_t, int>, Leaf> configuration) { |
| cpuid_leaves_ = std::move(configuration); |
| } |
| |
| void SetOsBackupsExtendedRegisters(bool os_backups_extended_registers) { |
| xcr0_eax_ = os_backups_extended_registers ? -1 : 0; |
| } |
| |
| #if defined(CPU_FEATURES_OS_DARWIN) |
| bool GetDarwinSysCtlByName(std::string name) const { |
| return darwin_sysctlbyname_.count(name); |
| } |
| |
| void SetDarwinSysCtlByName(std::string name) { |
| darwin_sysctlbyname_.insert(name); |
| } |
| #endif // CPU_FEATURES_OS_DARWIN |
| |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| bool GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) { |
| return windows_isprocessorfeaturepresent_.count(ProcessorFeature); |
| } |
| |
| void SetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) { |
| windows_isprocessorfeaturepresent_.insert(ProcessorFeature); |
| } |
| #endif // CPU_FEATURES_OS_WINDOWS |
| |
| private: |
| std::map<std::pair<uint32_t, int>, Leaf> cpuid_leaves_; |
| #if defined(CPU_FEATURES_OS_DARWIN) |
| std::set<std::string> darwin_sysctlbyname_; |
| #endif // CPU_FEATURES_OS_DARWIN |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| std::set<DWORD> windows_isprocessorfeaturepresent_; |
| #endif // CPU_FEATURES_OS_WINDOWS |
| uint32_t xcr0_eax_; |
| }; |
| |
| FakeCpu* g_fake_cpu = nullptr; |
| |
| extern "C" Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx) { |
| return g_fake_cpu->GetCpuidLeaf(leaf_id, ecx); |
| } |
| |
| extern "C" uint32_t GetXCR0Eax(void) { return g_fake_cpu->GetXCR0Eax(); } |
| |
| #if defined(CPU_FEATURES_OS_DARWIN) |
| extern "C" bool GetDarwinSysCtlByName(const char* name) { |
| return g_fake_cpu->GetDarwinSysCtlByName(name); |
| } |
| #endif // CPU_FEATURES_OS_DARWIN |
| |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| extern "C" bool GetWindowsIsProcessorFeaturePresent(DWORD ProcessorFeature) { |
| return g_fake_cpu->GetWindowsIsProcessorFeaturePresent(ProcessorFeature); |
| } |
| #endif // CPU_FEATURES_OS_WINDOWS |
| |
| namespace { |
| |
| class CpuidX86Test : public ::testing::Test { |
| protected: |
| void SetUp() override { g_fake_cpu = new FakeCpu(); } |
| void TearDown() override { delete g_fake_cpu; } |
| }; |
| |
| TEST_F(CpuidX86Test, SandyBridge) { |
| g_fake_cpu->SetOsBackupsExtendedRegisters(true); |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| }); |
| const auto info = GetX86Info(); |
| EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| EXPECT_EQ(info.family, 0x06); |
| EXPECT_EQ(info.model, 0x02A); |
| EXPECT_EQ(info.stepping, 0x06); |
| // Leaf 7 is zeroed out so none of the Leaf 7 flags are set. |
| const auto features = info.features; |
| EXPECT_FALSE(features.erms); |
| EXPECT_FALSE(features.avx2); |
| EXPECT_FALSE(features.avx512f); |
| EXPECT_FALSE(features.avx512cd); |
| EXPECT_FALSE(features.avx512er); |
| EXPECT_FALSE(features.avx512pf); |
| EXPECT_FALSE(features.avx512bw); |
| EXPECT_FALSE(features.avx512dq); |
| EXPECT_FALSE(features.avx512vl); |
| EXPECT_FALSE(features.avx512ifma); |
| EXPECT_FALSE(features.avx512vbmi); |
| EXPECT_FALSE(features.avx512vbmi2); |
| EXPECT_FALSE(features.avx512vnni); |
| EXPECT_FALSE(features.avx512bitalg); |
| EXPECT_FALSE(features.avx512vpopcntdq); |
| EXPECT_FALSE(features.avx512_4vnniw); |
| EXPECT_FALSE(features.avx512_4fmaps); |
| // All old cpu features should be set. |
| EXPECT_TRUE(features.aes); |
| EXPECT_TRUE(features.ssse3); |
| EXPECT_TRUE(features.sse4_1); |
| EXPECT_TRUE(features.sse4_2); |
| EXPECT_TRUE(features.avx); |
| EXPECT_FALSE(features.sha); |
| EXPECT_TRUE(features.popcnt); |
| EXPECT_FALSE(features.movbe); |
| EXPECT_FALSE(features.rdrnd); |
| } |
| |
| const int KiB = 1024; |
| const int MiB = 1024 * KiB; |
| |
| TEST_F(CpuidX86Test, SandyBridgeTestOsSupport) { |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| }); |
| // avx is disabled if os does not support backing up ymm registers. |
| g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| EXPECT_FALSE(GetX86Info().features.avx); |
| // avx is disabled if os does not support backing up ymm registers. |
| g_fake_cpu->SetOsBackupsExtendedRegisters(true); |
| EXPECT_TRUE(GetX86Info().features.avx); |
| } |
| |
| TEST_F(CpuidX86Test, SkyLake) { |
| g_fake_cpu->SetOsBackupsExtendedRegisters(true); |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| }); |
| const auto info = GetX86Info(); |
| EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| EXPECT_EQ(info.family, 0x06); |
| EXPECT_EQ(info.model, 0x04E); |
| EXPECT_EQ(info.stepping, 0x03); |
| EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_SKL); |
| } |
| |
| TEST_F(CpuidX86Test, Branding) { |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}}, |
| {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}}, |
| {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}}, |
| {{0x80000004, 0}, Leaf{0x352E3220, 0x7A484730, 0x00000000, 0x00000000}}, |
| }); |
| char brand_string[49]; |
| FillX86BrandString(brand_string); |
| EXPECT_STREQ(brand_string, "Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz"); |
| } |
| |
| TEST_F(CpuidX86Test, KabyLakeCache) { |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| {{0x00000004, 1}, Leaf{0x1C004122, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| {{0x00000004, 2}, Leaf{0x1C004143, 0x00C0003F, 0x000003FF, 0x00000000}}, |
| {{0x00000004, 3}, Leaf{0x1C03C163, 0x02C0003F, 0x00001FFF, 0x00000002}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}}, |
| {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}}, |
| {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}}, |
| }); |
| const auto info = GetX86CacheInfo(); |
| EXPECT_EQ(info.size, 4); |
| EXPECT_EQ(info.levels[0].level, 1); |
| EXPECT_EQ(info.levels[0].cache_type, 1); |
| EXPECT_EQ(info.levels[0].cache_size, 32 * KiB); |
| EXPECT_EQ(info.levels[0].ways, 8); |
| EXPECT_EQ(info.levels[0].line_size, 64); |
| EXPECT_EQ(info.levels[0].tlb_entries, 64); |
| EXPECT_EQ(info.levels[0].partitioning, 1); |
| |
| EXPECT_EQ(info.levels[1].level, 1); |
| EXPECT_EQ(info.levels[1].cache_type, 2); |
| EXPECT_EQ(info.levels[1].cache_size, 32 * KiB); |
| EXPECT_EQ(info.levels[1].ways, 8); |
| EXPECT_EQ(info.levels[1].line_size, 64); |
| EXPECT_EQ(info.levels[1].tlb_entries, 64); |
| EXPECT_EQ(info.levels[1].partitioning, 1); |
| |
| EXPECT_EQ(info.levels[2].level, 2); |
| EXPECT_EQ(info.levels[2].cache_type, 3); |
| EXPECT_EQ(info.levels[2].cache_size, 256 * KiB); |
| EXPECT_EQ(info.levels[2].ways, 4); |
| EXPECT_EQ(info.levels[2].line_size, 64); |
| EXPECT_EQ(info.levels[2].tlb_entries, 1024); |
| EXPECT_EQ(info.levels[2].partitioning, 1); |
| |
| EXPECT_EQ(info.levels[3].level, 3); |
| EXPECT_EQ(info.levels[3].cache_type, 3); |
| EXPECT_EQ(info.levels[3].cache_size, 6 * MiB); |
| EXPECT_EQ(info.levels[3].ways, 12); |
| EXPECT_EQ(info.levels[3].line_size, 64); |
| EXPECT_EQ(info.levels[3].tlb_entries, 8192); |
| EXPECT_EQ(info.levels[3].partitioning, 1); |
| } |
| |
| TEST_F(CpuidX86Test, HSWCache) { |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}}, |
| {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| {{0x00000004, 1}, Leaf{0x1C004122, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| {{0x00000004, 2}, Leaf{0x1C004143, 0x01C0003F, 0x000001FF, 0x00000000}}, |
| {{0x00000004, 3}, Leaf{0x1C03C163, 0x02C0003F, 0x00001FFF, 0x00000006}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}}, |
| {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}}, |
| {{0x80000002, 0}, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}}, |
| {{0x80000003, 0}, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}}, |
| }); |
| const auto info = GetX86CacheInfo(); |
| EXPECT_EQ(info.size, 4); |
| EXPECT_EQ(info.levels[0].level, 1); |
| EXPECT_EQ(info.levels[0].cache_type, 1); |
| EXPECT_EQ(info.levels[0].cache_size, 32 * KiB); |
| EXPECT_EQ(info.levels[0].ways, 8); |
| EXPECT_EQ(info.levels[0].line_size, 64); |
| EXPECT_EQ(info.levels[0].tlb_entries, 64); |
| EXPECT_EQ(info.levels[0].partitioning, 1); |
| |
| EXPECT_EQ(info.levels[1].level, 1); |
| EXPECT_EQ(info.levels[1].cache_type, 2); |
| EXPECT_EQ(info.levels[1].cache_size, 32 * KiB); |
| EXPECT_EQ(info.levels[1].ways, 8); |
| EXPECT_EQ(info.levels[1].line_size, 64); |
| EXPECT_EQ(info.levels[1].tlb_entries, 64); |
| EXPECT_EQ(info.levels[1].partitioning, 1); |
| |
| EXPECT_EQ(info.levels[2].level, 2); |
| EXPECT_EQ(info.levels[2].cache_type, 3); |
| EXPECT_EQ(info.levels[2].cache_size, 256 * KiB); |
| EXPECT_EQ(info.levels[2].ways, 8); |
| EXPECT_EQ(info.levels[2].line_size, 64); |
| EXPECT_EQ(info.levels[2].tlb_entries, 512); |
| EXPECT_EQ(info.levels[2].partitioning, 1); |
| |
| EXPECT_EQ(info.levels[3].level, 3); |
| EXPECT_EQ(info.levels[3].cache_type, 3); |
| EXPECT_EQ(info.levels[3].cache_size, 6 * MiB); |
| EXPECT_EQ(info.levels[3].ways, 12); |
| EXPECT_EQ(info.levels[3].line_size, 64); |
| EXPECT_EQ(info.levels[3].tlb_entries, 8192); |
| EXPECT_EQ(info.levels[3].partitioning, 1); |
| } |
| |
| // http://users.atw.hu/instlatx64/AuthenticAMD0630F81_K15_Godavari_CPUID.txt |
| TEST_F(CpuidX86Test, AMD_K15) { |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}}, |
| {{0x00000001, 0}, Leaf{0x00630F81, 0x00040800, 0x3E98320B, 0x178BFBFF}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000000, 0}, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}}, |
| {{0x80000001, 0}, Leaf{0x00630F81, 0x10000000, 0x0FEBBFFF, 0x2FD3FBFF}}, |
| {{0x80000002, 0}, Leaf{0x20444D41, 0x372D3841, 0x4B303736, 0x64615220}}, |
| {{0x80000003, 0}, Leaf{0x206E6F65, 0x202C3752, 0x43203031, 0x75706D6F}}, |
| {{0x80000004, 0}, Leaf{0x43206574, 0x7365726F, 0x2B433420, 0x00204736}}, |
| {{0x80000005, 0}, Leaf{0xFF40FF18, 0xFF40FF30, 0x10040140, 0x60030140}}, |
| }); |
| const auto info = GetX86Info(); |
| |
| EXPECT_STREQ(info.vendor, "AuthenticAMD"); |
| EXPECT_EQ(info.family, 0x15); |
| EXPECT_EQ(info.model, 0x38); |
| EXPECT_EQ(info.stepping, 0x01); |
| EXPECT_EQ(GetX86Microarchitecture(&info), |
| X86Microarchitecture::AMD_BULLDOZER); |
| |
| char brand_string[49]; |
| FillX86BrandString(brand_string); |
| EXPECT_STREQ(brand_string, "AMD A8-7670K Radeon R7, 10 Compute Cores 4C+6G "); |
| } |
| |
| // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel00106A1_Nehalem_CPUID.txt |
| TEST_F(CpuidX86Test, Nehalem) { |
| // Pre AVX cpus don't have xsave |
| g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_XMMI_INSTRUCTIONS_AVAILABLE); |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_XMMI64_INSTRUCTIONS_AVAILABLE); |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_SSE3_INSTRUCTIONS_AVAILABLE); |
| #endif // CPU_FEATURES_OS_WINDOWS |
| #if defined(CPU_FEATURES_OS_DARWIN) |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse2"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse3"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.supplementalsse3"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_1"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_2"); |
| #endif // CPU_FEATURES_OS_DARWIN |
| #if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID) |
| auto& fs = GetEmptyFilesystem(); |
| fs.CreateFile("/proc/cpuinfo", R"(processor : |
| flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2 |
| )"); |
| #endif // CPU_FEATURES_OS_LINUX_OR_ANDROID |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x000106A2, 0x00100800, 0x00BCE3BD, 0xBFEBFBFF}}, |
| {{0x00000002, 0}, Leaf{0x55035A01, 0x00F0B0E3, 0x00000000, 0x09CA212C}}, |
| {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x00000004, 0}, Leaf{0x1C004121, 0x01C0003F, 0x0000003F, 0x00000000}}, |
| {{0x00000004, 0}, Leaf{0x1C004122, 0x00C0003F, 0x0000007F, 0x00000000}}, |
| {{0x00000004, 0}, Leaf{0x1C004143, 0x01C0003F, 0x000001FF, 0x00000000}}, |
| {{0x00000004, 0}, Leaf{0x1C03C163, 0x03C0003F, 0x00000FFF, 0x00000002}}, |
| {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x00021120}}, |
| {{0x00000006, 0}, Leaf{0x00000001, 0x00000002, 0x00000001, 0x00000000}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x00000008, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x00000009, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x0000000A, 0}, Leaf{0x07300403, 0x00000000, 0x00000000, 0x00000603}}, |
| {{0x0000000B, 0}, Leaf{0x00000001, 0x00000001, 0x00000100, 0x00000000}}, |
| {{0x0000000B, 0}, Leaf{0x00000004, 0x00000002, 0x00000201, 0x00000000}}, |
| {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000001, 0x28100000}}, |
| {{0x80000002, 0}, Leaf{0x756E6547, 0x20656E69, 0x65746E49, 0x2952286C}}, |
| {{0x80000003, 0}, Leaf{0x55504320, 0x20202020, 0x20202020, 0x40202020}}, |
| {{0x80000004, 0}, Leaf{0x30303020, 0x20402030, 0x37382E31, 0x007A4847}}, |
| {{0x80000005, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000006, 0}, Leaf{0x00000000, 0x00000000, 0x01006040, 0x00000000}}, |
| {{0x80000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000100}}, |
| {{0x80000008, 0}, Leaf{0x00003028, 0x00000000, 0x00000000, 0x00000000}}, |
| }); |
| const auto info = GetX86Info(); |
| |
| EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| EXPECT_EQ(info.family, 0x06); |
| EXPECT_EQ(info.model, 0x1A); |
| EXPECT_EQ(info.stepping, 0x02); |
| EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_NHM); |
| |
| char brand_string[49]; |
| FillX86BrandString(brand_string); |
| EXPECT_STREQ(brand_string, "Genuine Intel(R) CPU @ 0000 @ 1.87GHz"); |
| |
| EXPECT_TRUE(info.features.sse); |
| EXPECT_TRUE(info.features.sse2); |
| EXPECT_TRUE(info.features.sse3); |
| #ifndef CPU_FEATURES_OS_WINDOWS |
| // Currently disabled on Windows as IsProcessorFeaturePresent do not support |
| // feature detection > sse3. |
| EXPECT_TRUE(info.features.ssse3); |
| EXPECT_TRUE(info.features.sse4_1); |
| EXPECT_TRUE(info.features.sse4_2); |
| #endif // CPU_FEATURES_OS_WINDOWS |
| } |
| |
| // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0030673_Silvermont3_CPUID.txt |
| TEST_F(CpuidX86Test, Atom) { |
| // Pre AVX cpus don't have xsave |
| g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_XMMI_INSTRUCTIONS_AVAILABLE); |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_XMMI64_INSTRUCTIONS_AVAILABLE); |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_SSE3_INSTRUCTIONS_AVAILABLE); |
| #endif // CPU_FEATURES_OS_WINDOWS |
| #if defined(CPU_FEATURES_OS_DARWIN) |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse2"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse3"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.supplementalsse3"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_1"); |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse4_2"); |
| #endif // CPU_FEATURES_OS_DARWIN |
| #if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID) |
| auto& fs = GetEmptyFilesystem(); |
| fs.CreateFile("/proc/cpuinfo", R"( |
| flags : fpu mmx sse sse2 sse3 ssse3 sse4_1 sse4_2 |
| )"); |
| #endif // CPU_FEATURES_OS_LINUX_OR_ANDROID |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x0000000B, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x00030673, 0x00100800, 0x41D8E3BF, 0xBFEBFBFF}}, |
| {{0x00000002, 0}, Leaf{0x61B3A001, 0x0000FFC2, 0x00000000, 0x00000000}}, |
| {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x00000004, 0}, Leaf{0x1C000121, 0x0140003F, 0x0000003F, 0x00000001}}, |
| {{0x00000004, 1}, Leaf{0x1C000122, 0x01C0003F, 0x0000003F, 0x00000001}}, |
| {{0x00000004, 2}, Leaf{0x1C00C143, 0x03C0003F, 0x000003FF, 0x00000001}}, |
| {{0x00000005, 0}, Leaf{0x00000040, 0x00000040, 0x00000003, 0x33000020}}, |
| {{0x00000006, 0}, Leaf{0x00000005, 0x00000002, 0x00000009, 0x00000000}}, |
| {{0x00000007, 0}, Leaf{0x00000000, 0x00002282, 0x00000000, 0x00000000}}, |
| {{0x00000008, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x00000009, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x0000000A, 0}, Leaf{0x07280203, 0x00000000, 0x00000000, 0x00004503}}, |
| {{0x0000000B, 0}, Leaf{0x00000001, 0x00000001, 0x00000100, 0x00000000}}, |
| {{0x0000000B, 1}, Leaf{0x00000004, 0x00000004, 0x00000201, 0x00000000}}, |
| {{0x80000000, 0}, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000001, 0}, Leaf{0x00000000, 0x00000000, 0x00000101, 0x28100000}}, |
| {{0x80000002, 0}, Leaf{0x20202020, 0x6E492020, 0x286C6574, 0x43202952}}, |
| {{0x80000003, 0}, Leaf{0x72656C65, 0x52286E6F, 0x50432029, 0x4A202055}}, |
| {{0x80000004, 0}, Leaf{0x30303931, 0x20402020, 0x39392E31, 0x007A4847}}, |
| {{0x80000005, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}}, |
| {{0x80000006, 0}, Leaf{0x00000000, 0x00000000, 0x04008040, 0x00000000}}, |
| {{0x80000007, 0}, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000100}}, |
| {{0x80000008, 0}, Leaf{0x00003024, 0x00000000, 0x00000000, 0x00000000}}, |
| }); |
| const auto info = GetX86Info(); |
| |
| EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| EXPECT_EQ(info.family, 0x06); |
| EXPECT_EQ(info.model, 0x37); |
| EXPECT_EQ(info.stepping, 0x03); |
| EXPECT_EQ(GetX86Microarchitecture(&info), |
| X86Microarchitecture::INTEL_ATOM_SMT); |
| |
| char brand_string[49]; |
| FillX86BrandString(brand_string); |
| EXPECT_STREQ(brand_string, " Intel(R) Celeron(R) CPU J1900 @ 1.99GHz"); |
| |
| EXPECT_TRUE(info.features.sse); |
| EXPECT_TRUE(info.features.sse2); |
| EXPECT_TRUE(info.features.sse3); |
| #ifndef CPU_FEATURES_OS_WINDOWS |
| // Currently disabled on Windows as IsProcessorFeaturePresent do not support |
| // feature detection > sse3. |
| EXPECT_TRUE(info.features.ssse3); |
| EXPECT_TRUE(info.features.sse4_1); |
| EXPECT_TRUE(info.features.sse4_2); |
| #endif // CPU_FEATURES_OS_WINDOWS |
| } |
| |
| // https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000673_P3_KatmaiDP_CPUID.txt |
| TEST_F(CpuidX86Test, P3) { |
| // Pre AVX cpus don't have xsave |
| g_fake_cpu->SetOsBackupsExtendedRegisters(false); |
| #if defined(CPU_FEATURES_OS_WINDOWS) |
| g_fake_cpu->SetWindowsIsProcessorFeaturePresent( |
| PF_XMMI_INSTRUCTIONS_AVAILABLE); |
| #endif // CPU_FEATURES_OS_WINDOWS |
| #if defined(CPU_FEATURES_OS_DARWIN) |
| g_fake_cpu->SetDarwinSysCtlByName("hw.optional.sse"); |
| #endif // CPU_FEATURES_OS_DARWIN |
| #if defined(CPU_FEATURES_OS_LINUX_OR_ANDROID) |
| auto& fs = GetEmptyFilesystem(); |
| fs.CreateFile("/proc/cpuinfo", R"( |
| flags : fpu mmx sse |
| )"); |
| #endif // CPU_FEATURES_OS_LINUX_OR_ANDROID |
| g_fake_cpu->SetLeaves({ |
| {{0x00000000, 0}, Leaf{0x00000003, 0x756E6547, 0x6C65746E, 0x49656E69}}, |
| {{0x00000001, 0}, Leaf{0x00000673, 0x00000000, 0x00000000, 0x0387FBFF}}, |
| {{0x00000002, 0}, Leaf{0x03020101, 0x00000000, 0x00000000, 0x0C040843}}, |
| {{0x00000003, 0}, Leaf{0x00000000, 0x00000000, 0x4CECC782, 0x00006778}}, |
| }); |
| const auto info = GetX86Info(); |
| |
| EXPECT_STREQ(info.vendor, "GenuineIntel"); |
| EXPECT_EQ(info.family, 0x06); |
| EXPECT_EQ(info.model, 0x07); |
| EXPECT_EQ(info.stepping, 0x03); |
| EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::X86_UNKNOWN); |
| |
| char brand_string[49]; |
| FillX86BrandString(brand_string); |
| EXPECT_STREQ(brand_string, ""); |
| |
| EXPECT_TRUE(info.features.mmx); |
| EXPECT_TRUE(info.features.sse); |
| EXPECT_FALSE(info.features.sse2); |
| EXPECT_FALSE(info.features.sse3); |
| #ifndef CPU_FEATURES_OS_WINDOWS |
| // Currently disabled on Windows as IsProcessorFeaturePresent do not support |
| // feature detection > sse3. |
| EXPECT_FALSE(info.features.ssse3); |
| EXPECT_FALSE(info.features.sse4_1); |
| EXPECT_FALSE(info.features.sse4_2); |
| #endif // CPU_FEATURES_OS_WINDOWS |
| } |
| |
| // TODO(user): test what happens when xsave/osxsave are not present. |
| // TODO(user): test what happens when xmm/ymm/zmm os support are not |
| // present. |
| |
| } // namespace |
| } // namespace cpu_features |