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Add AMD ZEN4 Raphael detection #277

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Merged
merged 1 commit into from
Oct 19, 2022
Merged

Add AMD ZEN4 Raphael detection #277

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1 change: 1 addition & 0 deletions src/impl_x86__base_implementation.inl
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Original file line number Diff line number Diff line change
Expand Up @@ -743,6 +743,7 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
// https://en.wikichip.org/wiki/amd/microarchitectures/zen_3
return AMD_ZEN3;
case CPUID(0x19, 0x10):
case CPUID(0x19, 0x61):
// https://en.wikichip.org/wiki/amd/microarchitectures/zen_4
return AMD_ZEN4;
default:
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21 changes: 21 additions & 0 deletions test/cpuinfo_x86_test.cc
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Expand Up @@ -884,6 +884,27 @@ TEST_F(CpuidX86Test, AMD_K19_ZEN3) {
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN3);
}

// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0A60F12_K19_Raphael_01_CPUID.txt
TEST_F(CpuidX86Test, AMD_K19_ZEN4_RAPHAEL) {
cpu().SetLeaves({
{{0x00000000, 0}, Leaf{0x00000010, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x00000001, 0}, Leaf{0x00A60F12, 0x000C0800, 0x7EF8320B, 0x178BFBFF}},
{{0x80000000, 0}, Leaf{0x80000028, 0x68747541, 0x444D4163, 0x69746E65}},
{{0x80000001, 0}, Leaf{0x00A60F12, 0x00000000, 0x75C237FF, 0x2FD3FBFF}},
{{0x80000002, 0}, Leaf{0x20444D41, 0x657A7952, 0x2035206E, 0x30303637}},
{{0x80000003, 0}, Leaf{0x2D362058, 0x65726F43, 0x6F725020, 0x73736563}},
{{0x80000004, 0}, Leaf{0x2020726F, 0x20202020, 0x20202020, 0x00202020}},
});
const auto info = GetX86Info();

EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_AUTHENTIC_AMD);
EXPECT_EQ(info.family, 0x19);
EXPECT_EQ(info.model, 0x61);
EXPECT_STREQ(info.brand_string,
"AMD Ryzen 5 7600X 6-Core Processor ");
EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN4);
}

// http://users.atw.hu/instlatx64/HygonGenuine/HygonGenuine0900F11_Hygon_01_CPUID.txt
TEST_F(CpuidX86Test, AMD_K18_ZEN_DHYANA_OCTAL_CORE_C86_3250) {
cpu().SetLeaves({
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