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Add support for detecting Intel CascadeLake CPUs (#271)

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Should close
https://github.com/google/cpu_features/issues/260
This commit is contained in:
William Tambellini
2022-09-19 01:00:01 -07:00
committed by GitHub
parent cee2648cf0
commit b69591add3
3 changed files with 36 additions and 1 deletions
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28
test/cpuinfo_x86_test.cc
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@ -219,6 +219,34 @@ TEST_F(CpuidX86Test, SkyLake) {
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_SKL);
}
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel0050654_SkylakeXeon_CPUID8.txt
TEST_F(CpuidX86Test, SkyLakeXeon) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00050654, 0x00100800, 0x7FFEFBFF, 0xBFEBFBFF}}
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_GENUINE_INTEL);
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x055);
EXPECT_EQ(info.stepping, 0x04);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_SKL);
}
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel0050657_CascadeLakeXeon_CPUID.txt
TEST_F(CpuidX86Test, CascadeLake) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},
{{0x00000001, 0}, Leaf{0x00050657, 0x00400800, 0x7FFEFBFF, 0xBFEBFBFF}}
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_GENUINE_INTEL);
EXPECT_EQ(info.family, 0x06);
EXPECT_EQ(info.model, 0x055);
EXPECT_EQ(info.stepping, 0x07);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::INTEL_CCL);
}
TEST_F(CpuidX86Test, Branding) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000016, 0x756E6547, 0x6C65746E, 0x49656E69}},