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Code Issues Releases Wiki Activity

Add ZEN4 Phoenix detection (#328)

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Mykola Hohsadze 2023-09-05 15:13:27 +03:00 committed by GitHub
parent fd4ffc1632
commit 199d299ce5
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2 changed files with 16 additions and 0 deletions
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1
src/impl_x86__base_implementation.inl
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@ -834,6 +834,7 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
return AMD_ZEN3;
case CPUID(0x19, 0x10):
case CPUID(0x19, 0x61):
case CPUID(0x19, 0x74):
// https://en.wikichip.org/wiki/amd/microarchitectures/zen_4
return AMD_ZEN4;
default:

15
test/cpuinfo_x86_test.cc
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@ -909,6 +909,21 @@ TEST_F(CpuidX86Test, AMD_K19_ZEN4_RAPHAEL) {
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN4);
}
// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0A70F41_K19_Phoenix_03_CPUID.txt
TEST_F(CpuidX86Test, AMD_K19_ZEN4_PHOENIX) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000010, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x00000001, 0}, Leaf{0x00A70F41, 0x00100800, 0x7EF8320B, 0x178BFBFF}},
{{0x80000000, 0}, Leaf{0x80000028, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x80000001, 0}, Leaf{0x00A70F41, 0x50000000, 0x75C237FF, 0x2FD3FBFF}},
});
const auto info = GetX86Info();
EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_AUTHENTIC_AMD);
EXPECT_EQ(info.family, 0x19);
EXPECT_EQ(info.model, 0x74);
}
// http://users.atw.hu/instlatx64/HygonGenuine/HygonGenuine0900F11_Hygon_01_CPUID.txt
TEST_F(CpuidX86Test, AMD_K18_ZEN_DHYANA_OCTAL_CORE_C86_3250) {
cpu().SetLeaves({