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Update uarch detection for Intel processors (#184)

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This commit is contained in:
Nikolay Hohsadze
2021-10-29 11:41:50 +03:00
committed by GitHub
parent 5ef0db4bba
commit 5695cc4817
3 changed files with 125 additions and 0 deletions
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58
test/cpuinfo_x86_test.cc
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@ -1033,6 +1033,64 @@ flags : fpu mmx sse
#endif // !defined(CPU_FEATURES_OS_WINDOWS)
}
// https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000480_486_CPUID.txt
TEST_F(CpuidX86Test, INTEL_80486) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000001, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00000480, 0x00000000, 0x00000000, 0x00000003}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, "GenuineIntel");
EXPECT_EQ(info.family, 0x04);
EXPECT_EQ(info.model, 0x08);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_80486);
}
// https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000526_P54C_CPUID.txt
TEST_F(CpuidX86Test, INTEL_P54C) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000001, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00000525, 0x00000000, 0x00000000, 0x000001BF}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, "GenuineIntel");
EXPECT_EQ(info.family, 0x05);
EXPECT_EQ(info.model, 0x02);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_P5);
}
// https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0000590_Lakemont_CPUID2.txt
TEST_F(CpuidX86Test, INTEL_LAKEMONT) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000002, 0x756E6547, 0x6c65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00000590, 0x00000000, 0x00010200, 0x8000237B}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, "GenuineIntel");
EXPECT_EQ(info.family, 0x05);
EXPECT_EQ(info.model, 0x09);
EXPECT_EQ(GetX86Microarchitecture(&info),
X86Microarchitecture::INTEL_LAKEMONT);
}
// https://github.com/InstLatx64/InstLatx64/blob/master/GenuineIntel/GenuineIntel0050670_KnightsLanding_CPUID.txt
TEST_F(CpuidX86Test, INTEL_KNIGHTS_LANDING) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x0000000D, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00050670, 0x02FF0800, 0x7FF8F3BF, 0xBFEBFBFF}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, "GenuineIntel");
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x57);
EXPECT_EQ(GetX86Microarchitecture(&info),
X86Microarchitecture::INTEL_KNIGHTS_L);
}
// 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.