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Code Issues Releases Wiki Activity

Add Mendocino ZEN2 detection (#305)

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Mykola Hohsadze 2023-04-25 11:11:23 +03:00 committed by GitHub
parent 75ec988188
commit 0e9da93fac
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2 changed files with 15 additions and 0 deletions
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1
src/impl_x86__base_implementation.inl
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@ -813,6 +813,7 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
case CPUID(0x17, 0x71): case CPUID(0x17, 0x71):
case CPUID(0x17, 0x90): case CPUID(0x17, 0x90):
case CPUID(0x17, 0x98): case CPUID(0x17, 0x98):
case CPUID(0x17, 0xA0):
// https://en.wikichip.org/wiki/amd/microarchitectures/zen_2 // https://en.wikichip.org/wiki/amd/microarchitectures/zen_2
return AMD_ZEN2; return AMD_ZEN2;
case CPUID(0x19, 0x00): case CPUID(0x19, 0x00):

14
test/cpuinfo_x86_test.cc
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@ -926,6 +926,20 @@ TEST_F(CpuidX86Test, AMD_K18_ZEN_DHYANA_OCTAL_CORE_C86_3250) {
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN); EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN);
} }
// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD08A0F00_K17_Mendocino_01_CPUID.txt
TEST_F(CpuidX86Test, AMD_ZEN2_MENDOCINO) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000010, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x00000001, 0}, Leaf{0x008A0F00, 0x00080800, 0x7EF8320B, 0x178BFBFF}},
});
const auto info = GetX86Info();
EXPECT_EQ(info.model, 0xA0);
EXPECT_EQ(info.family, 0x17);
EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_AUTHENTIC_AMD);
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN2);
}
// http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel00906A4_AlderLakeP_00_CPUID.txt // http://users.atw.hu/instlatx64/GenuineIntel/GenuineIntel00906A4_AlderLakeP_00_CPUID.txt
TEST_F(CpuidX86Test, INTEL_ALDER_LAKE_AVX_VNNI) { TEST_F(CpuidX86Test, INTEL_ALDER_LAKE_AVX_VNNI) {
cpu().SetOsBackupsExtendedRegisters(true); cpu().SetOsBackupsExtendedRegisters(true);