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Add support for ZHAOXIN CPU #218

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merged 10 commits into from
Feb 18, 2022
Merged

Add support for ZHAOXIN CPU #218

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c03606f
Update cpuinfo_x86.h
AnvilaWang Jan 21, 2022
c5c8ca6
Update impl_x86__base_implementation.inl
AnvilaWang Jan 21, 2022
d6f722d
Update cpuinfo_x86.h
AnvilaWang Jan 27, 2022
80a28e5
Update impl_x86__base_implementation.inl
AnvilaWang Jan 27, 2022
8b8c967
Update cpuinfo_x86.h
AnvilaWang Jan 28, 2022
d9c09f0
Update impl_x86__base_implementation.inl
AnvilaWang Feb 11, 2022
c75b8c4
Merge branch 'google:main' into master
AnvilaWang Feb 17, 2022
8992f72
Update impl_x86__base_implementation.inl
AnvilaWang Feb 17, 2022
f2a7e9d
Update cpuinfo_x86.h
AnvilaWang Feb 17, 2022
56b0cf7
Merge branch 'google:main' into master
AnvilaWang Feb 18, 2022
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6 changes: 6 additions & 0 deletions include/cpuinfo_x86.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@ CPU_FEATURES_START_CPP_NAMESPACE
#define CPU_FEATURES_VENDOR_GENUINE_INTEL "GenuineIntel"
#define CPU_FEATURES_VENDOR_AUTHENTIC_AMD "AuthenticAMD"
#define CPU_FEATURES_VENDOR_HYGON_GENUINE "HygonGenuine"
#define CPU_FEATURES_VENDOR_CENTAUR_HAULS "CentaurHauls"
#define CPU_FEATURES_VENDOR_SHANGHAI " Shanghai "

// See https://en.wikipedia.org/wiki/CPUID for a list of x86 cpu features.
// The field names are based on the short name provided in the wikipedia tables.
Expand Down Expand Up @@ -117,6 +119,10 @@ CacheInfo GetX86CacheInfo(void);

typedef enum {
X86_UNKNOWN,
ZHAOXIN_ZHANGJIANG, // ZhangJiang
ZHAOXIN_WUDAOKOU, // WuDaoKou
ZHAOXIN_LUJIAZUI, // LuJiaZui
ZHAOXIN_YONGFENG, // YongFeng
INTEL_80486, // 80486
INTEL_P5, // P5
INTEL_LAKEMONT, // LAKEMONT
Expand Down
32 changes: 30 additions & 2 deletions src/impl_x86__base_implementation.inl
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Expand Up @@ -406,8 +406,11 @@ X86Info GetX86Info(void) {
IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_AUTHENTIC_AMD);
const bool is_hygon =
IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_HYGON_GENUINE);
const bool is_zhaoxin =
(IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_CENTAUR_HAULS) ||
IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_SHANGHAI));
SetVendor(leaves.leaf_0, info.vendor);
if (is_intel || is_amd || is_hygon) {
if (is_intel || is_amd || is_hygon || is_zhaoxin) {
OsPreserves os_preserves = kEmptyOsPreserves;
ParseCpuId(&leaves, &info, &os_preserves);
if (is_amd || is_hygon) {
Expand Down Expand Up @@ -570,6 +573,25 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
return X86_UNKNOWN;
}
}
if (IsVendorByX86Info(info, CPU_FEATURES_VENDOR_CENTAUR_HAULS) ||
IsVendorByX86Info(info, CPU_FEATURES_VENDOR_SHANGHAI)) {
switch (CPUID(info->family, info->model)) {
case CPUID(0x06, 0x0F):
case CPUID(0x06, 0x19):
// https://en.wikichip.org/wiki/zhaoxin/microarchitectures/zhangjiang
return ZHAOXIN_ZHANGJIANG;
case CPUID(0x07, 0x1B):
// https://en.wikichip.org/wiki/zhaoxin/microarchitectures/wudaokou
return ZHAOXIN_WUDAOKOU;
case CPUID(0x07, 0x3B):
// https://en.wikichip.org/wiki/zhaoxin/microarchitectures/lujiazui
return ZHAOXIN_LUJIAZUI;
case CPUID(0x07, 0x5B):
return ZHAOXIN_YONGFENG;
default:
return X86_UNKNOWN;
}
}
if (IsVendorByX86Info(info, CPU_FEATURES_VENDOR_AUTHENTIC_AMD)) {
switch (CPUID(info->family, info->model)) {
// https://en.wikichip.org/wiki/amd/cpuid
Expand Down Expand Up @@ -1623,7 +1645,9 @@ static void ParseCacheInfo(const int max_cpuid_leaf, uint32_t leaf_id,
CacheInfo GetX86CacheInfo(void) {
CacheInfo info = kEmptyCacheInfo;
const Leaves leaves = ReadLeaves();
if (IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_GENUINE_INTEL)) {
if (IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_GENUINE_INTEL ||
IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_CENTAUR_HAULS) ||
IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_SHANGHAI)) {
ParseLeaf2(&leaves, &info);
ParseCacheInfo(leaves.max_cpuid_leaf, 4, &info);
} else if (IsVendor(leaves.leaf_0, CPU_FEATURES_VENDOR_AUTHENTIC_AMD) ||
Expand Down Expand Up @@ -1709,6 +1733,10 @@ CacheInfo GetX86CacheInfo(void) {

#define X86_MICROARCHITECTURE_NAMES \
LINE(X86_UNKNOWN) \
LINE(ZHAOXIN_ZHANGJIANG) \
LINE(ZHAOXIN_WUDAOKOU) \
LINE(ZHAOXIN_LUJIAZUI) \
LINE(ZHAOXIN_YONGFENG) \
LINE(INTEL_80486) \
LINE(INTEL_P5) \
LINE(INTEL_LAKEMONT) \
Expand Down