johann/cpu_features
1
0
Fork 0
mirror of https://github.com/google/cpu_features.git synced 2025-04-28 07:23:37 +02:00
Code Issues Releases Wiki Activity

Add support for ZHAOXIN CPU (#218)

Browse Source
This commit is contained in:
AnvilaWang 2022-02-18 23:32:06 +08:00 committed by GitHub
parent 9edae37fc7
commit 1d02169588
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 97 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/cpuinfo_x86.h
View File

@ -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.
@ -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

49
src/impl_x86__base_implementation.inl
View File

@ -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) {
@ -570,6 +573,42 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
return X86_UNKNOWN;
}
}
if (IsVendorByX86Info(info, CPU_FEATURES_VENDOR_CENTAUR_HAULS)) {
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_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
@ -1623,7 +1662,9 @@ 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) ||
@ -1709,6 +1750,10 @@ 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) \