src/type3_AndroidCloud/anbox-master/external/cpu_features/test/cpuinfo_x86_test.cc

   1 // Copyright 2017 Google Inc.
   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 <cassert>
  16 #include <cstdio>
  17 #include <map>
  18
  19 #include "gtest/gtest.h"
  20
  21 #include "cpuinfo_x86.h"
  22 #include "internal/cpuid_x86.h"
  23
  24 namespace cpu_features {
  25
  26 class FakeCpu {
  27  public:
  28   Leaf CpuId(uint32_t leaf_id) const {
  29     const auto itr = cpuid_leaves_.find(leaf_id);
  30     EXPECT_TRUE(itr != cpuid_leaves_.end()) << "Missing leaf " << leaf_id;
  31     return itr->second;
  32   }
  33
  34   uint32_t GetXCR0Eax() const { return xcr0_eax_; }
  35
  36   void SetLeaves(std::map<uint32_t, Leaf> configuration) {
  37     cpuid_leaves_ = std::move(configuration);
  38   }
  39
  40   void SetOsBackupsExtendedRegisters(bool os_backups_extended_registers) {
  41     xcr0_eax_ = os_backups_extended_registers ? -1 : 0;
  42   }
  43
  44  private:
  45   std::map<uint32_t, Leaf> cpuid_leaves_;
  46   uint32_t xcr0_eax_;
  47 };
  48
  49 auto* g_fake_cpu = new FakeCpu();
  50
  51 extern "C" Leaf CpuId(uint32_t leaf_id) { return g_fake_cpu->CpuId(leaf_id); }
  52 extern "C" uint32_t GetXCR0Eax(void) { return g_fake_cpu->GetXCR0Eax(); }
  53
  54 namespace {
  55
  56 TEST(CpuidX86Test, SandyBridge) {
  57   g_fake_cpu->SetOsBackupsExtendedRegisters(true);
  58   g_fake_cpu->SetLeaves({
  59       {0x00000000, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}},
  60       {0x00000001, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}},
  61       {0x00000007, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
  62   });
  63   const auto info = GetX86Info();
  64   EXPECT_STREQ(info.vendor, "GenuineIntel");
  65   EXPECT_EQ(info.family, 0x06);
  66   EXPECT_EQ(info.model, 0x02A);
  67   EXPECT_EQ(info.stepping, 0x06);
  68   // Leaf 7 is zeroed out so none of the Leaf 7 flags are set.
  69   const auto features = info.features;
  70   EXPECT_FALSE(features.erms);
  71   EXPECT_FALSE(features.avx2);
  72   EXPECT_FALSE(features.avx512f);
  73   EXPECT_FALSE(features.avx512cd);
  74   EXPECT_FALSE(features.avx512er);
  75   EXPECT_FALSE(features.avx512pf);
  76   EXPECT_FALSE(features.avx512bw);
  77   EXPECT_FALSE(features.avx512dq);
  78   EXPECT_FALSE(features.avx512vl);
  79   EXPECT_FALSE(features.avx512ifma);
  80   EXPECT_FALSE(features.avx512vbmi);
  81   EXPECT_FALSE(features.avx512vbmi2);
  82   EXPECT_FALSE(features.avx512vnni);
  83   EXPECT_FALSE(features.avx512bitalg);
  84   EXPECT_FALSE(features.avx512vpopcntdq);
  85   EXPECT_FALSE(features.avx512_4vnniw);
  86   EXPECT_FALSE(features.avx512_4vbmi2);
  87   // All old cpu features should be set.
  88   EXPECT_TRUE(features.aes);
  89   EXPECT_TRUE(features.ssse3);
  90   EXPECT_TRUE(features.sse4_1);
  91   EXPECT_TRUE(features.sse4_2);
  92   EXPECT_TRUE(features.avx);
  93 }
  94
  95 TEST(CpuidX86Test, SandyBridgeTestOsSupport) {
  96   g_fake_cpu->SetLeaves({
  97       {0x00000000, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}},
  98       {0x00000001, Leaf{0x000206A6, 0x00100800, 0x1F9AE3BF, 0xBFEBFBFF}},
  99       {0x00000007, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
 100   });
 101   // avx is disabled if os does not support backing up ymm registers.
 102   g_fake_cpu->SetOsBackupsExtendedRegisters(false);
 103   EXPECT_FALSE(GetX86Info().features.avx);
 104   // avx is disabled if os does not support backing up ymm registers.
 105   g_fake_cpu->SetOsBackupsExtendedRegisters(true);
 106   EXPECT_TRUE(GetX86Info().features.avx);
 107 }
 108
 109 TEST(CpuidX86Test, SkyLake) {
 110   g_fake_cpu->SetOsBackupsExtendedRegisters(true);
 111   g_fake_cpu->SetLeaves({
 112       {0x00000000, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
 113       {0x00000001, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}},
 114       {0x00000007, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}},
 115   });
 116   const auto info = GetX86Info();
 117   EXPECT_STREQ(info.vendor, "GenuineIntel");
 118   EXPECT_EQ(info.family, 0x06);
 119   EXPECT_EQ(info.model, 0x04E);
 120   EXPECT_EQ(info.stepping, 0x03);
 121   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_SKL);
 122 }
 123
 124 TEST(CpuidX86Test, Branding) {
 125   g_fake_cpu->SetLeaves({
 126       {0x00000000, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
 127       {0x00000001, Leaf{0x000406E3, 0x00100800, 0x7FFAFBBF, 0xBFEBFBFF}},
 128       {0x00000007, Leaf{0x00000000, 0x029C67AF, 0x00000000, 0x00000000}},
 129       {0x80000000, Leaf{0x80000008, 0x00000000, 0x00000000, 0x00000000}},
 130       {0x80000001, Leaf{0x00000000, 0x00000000, 0x00000121, 0x2C100000}},
 131       {0x80000002, Leaf{0x65746E49, 0x2952286C, 0x726F4320, 0x4D542865}},
 132       {0x80000003, Leaf{0x37692029, 0x3035362D, 0x43205530, 0x40205550}},
 133       {0x80000004, Leaf{0x352E3220, 0x7A484730, 0x00000000, 0x00000000}},
 134   });
 135   char brand_string[49];
 136   FillX86BrandString(brand_string);
 137   EXPECT_STREQ(brand_string, "Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz");
 138 }
 139
 140 // http://users.atw.hu/instlatx64/AuthenticAMD0630F81_K15_Godavari_CPUID.txt
 141 TEST(CpuidX86Test, AMD_K15) {
 142   g_fake_cpu->SetLeaves({
 143       {0x00000000, Leaf{0x0000000D, 0x68747541, 0x444D4163, 0x69746E65}},
 144       {0x00000001, Leaf{0x00630F81, 0x00040800, 0x3E98320B, 0x178BFBFF}},
 145       {0x00000007, Leaf{0x00000000, 0x00000000, 0x00000000, 0x00000000}},
 146       {0x80000000, Leaf{0x8000001E, 0x68747541, 0x444D4163, 0x69746E65}},
 147       {0x80000001, Leaf{0x00630F81, 0x10000000, 0x0FEBBFFF, 0x2FD3FBFF}},
 148       {0x80000002, Leaf{0x20444D41, 0x372D3841, 0x4B303736, 0x64615220}},
 149       {0x80000003, Leaf{0x206E6F65, 0x202C3752, 0x43203031, 0x75706D6F}},
 150       {0x80000004, Leaf{0x43206574, 0x7365726F, 0x2B433420, 0x00204736}},
 151       {0x80000005, Leaf{0xFF40FF18, 0xFF40FF30, 0x10040140, 0x60030140}},
 152   });
 153   const auto info = GetX86Info();
 154
 155   EXPECT_STREQ(info.vendor, "AuthenticAMD");
 156   EXPECT_EQ(info.family, 0x15);
 157   EXPECT_EQ(info.model, 0x38);
 158   EXPECT_EQ(info.stepping, 0x01);
 159   EXPECT_EQ(GetX86Microarchitecture(&info),
 160             X86Microarchitecture::AMD_BULLDOZER);
 161
 162   char brand_string[49];
 163   FillX86BrandString(brand_string);
 164   EXPECT_STREQ(brand_string, "AMD A8-7670K Radeon R7, 10 Compute Cores 4C+6G ");
 165 }
 166
 167 // TODO(user): test what happens when xsave/osxsave are not present.
 168 // TODO(user): test what happens when xmm/ymm/zmm os support are not
 169 // present.
 170
 171 }  // namespace
 172 }  // namespace cpu_features