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Merge pull request #3306 from jonaszhou1/develop 

Add cpu detection support for Zhaoxin processors
This commit is contained in:
Martin Kroeker 2021-07-12 16:30:10 +02:00 committed by GitHub
parent 44cc7cdecc 0fca36c8c3
commit ea8e208029
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 43 additions and 20 deletions
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1
cpuid.h
View File

@ -54,6 +54,7 @@
#define VENDOR_TRANSMETA 9
#define VENDOR_NSC 10
#define VENDOR_HYGON 11
#define VENDOR_ZHAOXIN 12
#define VENDOR_UNKNOWN 99
#define BITMASK(a, b, c) ((((a) >> (b)) & (c)))

44
cpuid_x86.c
View File

@ -283,7 +283,7 @@ int get_vendor(void){
if (!strcmp(vendor, "CyrixInstead")) return VENDOR_CYRIX;
if (!strcmp(vendor, "NexGenDriven")) return VENDOR_NEXGEN;
if (!strcmp(vendor, "CentaurHauls")) return VENDOR_CENTAUR;
if (!strcmp(vendor, " Shanghai ")) return VENDOR_CENTAUR;
if (!strcmp(vendor, " Shanghai ")) return VENDOR_ZHAOXIN;
if (!strcmp(vendor, "RiseRiseRise")) return VENDOR_RISE;
if (!strcmp(vendor, " SiS SiS SiS")) return VENDOR_SIS;
if (!strcmp(vendor, "GenuineTMx86")) return VENDOR_TRANSMETA;
@ -1067,7 +1067,8 @@ int get_cacheinfo(int type, cache_info_t *cacheinfo){
if ((get_vendor() == VENDOR_AMD) ||
(get_vendor() == VENDOR_HYGON) ||
(get_vendor() == VENDOR_CENTAUR)) {
(get_vendor() == VENDOR_CENTAUR) ||
(get_vendor() == VENDOR_ZHAOXIN)) {
cpuid(0x80000005, &eax, &ebx, &ecx, &edx);
LDTB.size = 4096;
@ -1190,7 +1191,7 @@ int get_cacheinfo(int type, cache_info_t *cacheinfo){
int get_cpuname(void){
int family, exfamily, model, vendor, exmodel;
int family, exfamily, model, vendor, exmodel, stepping;
if (!have_cpuid()) return CPUTYPE_80386;
@ -1198,6 +1199,7 @@ int get_cpuname(void){
exfamily = get_cputype(GET_EXFAMILY);
model = get_cputype(GET_MODEL);
exmodel = get_cputype(GET_EXMODEL);
stepping = get_cputype(GET_STEPPING);
vendor = get_vendor();
@ -1628,15 +1630,20 @@ int get_cpuname(void){
switch (family) {
case 0x5:
return CPUTYPE_CENTAURC6;
break;
case 0x6:
return CPUTYPE_NANO;
break;
case 0x7:
if (model == 0xf && stepping < 0xe)
return CPUTYPE_NANO;
return CPUTYPE_NEHALEM;
break;
default:
if (family >= 0x7)
return CPUTYPE_NEHALEM;
else
return CPUTYPE_VIAC3;
}
return CPUTYPE_VIAC3;
}
if (vendor == VENDOR_ZHAOXIN){
return CPUTYPE_NEHALEM;
}
if (vendor == VENDOR_RISE){
@ -1869,7 +1876,7 @@ char *get_lower_cpunamechar(void){
int get_coretype(void){
int family, exfamily, model, exmodel, vendor;
int family, exfamily, model, exmodel, vendor, stepping;
if (!have_cpuid()) return CORE_80486;
@ -1877,6 +1884,7 @@ int get_coretype(void){
exfamily = get_cputype(GET_EXFAMILY);
model = get_cputype(GET_MODEL);
exmodel = get_cputype(GET_EXMODEL);
stepping = get_cputype(GET_STEPPING);
vendor = get_vendor();
@ -2286,13 +2294,19 @@ int get_coretype(void){
if (vendor == VENDOR_CENTAUR) {
switch (family) {
case 0x6:
return CORE_NANO;
break;
case 0x7:
if (model == 0xf && stepping < 0xe)
return CORE_NANO;
return CORE_NEHALEM;
break;
default:
if (family >= 0x7)
return CORE_NEHALEM;
else
return CORE_VIAC3;
}
return CORE_VIAC3;
}
if (vendor == VENDOR_ZHAOXIN) {
return CORE_NEHALEM;
}
return CORE_UNKNOWN;

18
driver/others/dynamic.c
View File

@ -292,6 +292,7 @@ extern gotoblas_t gotoblas_COOPERLAKE;
#define VENDOR_AMD 2
#define VENDOR_CENTAUR 3
#define VENDOR_HYGON 4
#define VENDOR_ZHAOXIN 5
#define VENDOR_UNKNOWN 99
#define BITMASK(a, b, c) ((((a) >> (b)) & (c)))
@ -404,7 +405,7 @@ static int get_vendor(void){
if (!strcmp(vendor.vchar, "GenuineIntel")) return VENDOR_INTEL;
if (!strcmp(vendor.vchar, "AuthenticAMD")) return VENDOR_AMD;
if (!strcmp(vendor.vchar, "CentaurHauls")) return VENDOR_CENTAUR;
if (!strcmp(vendor.vchar, " Shanghai ")) return VENDOR_CENTAUR;
if (!strcmp(vendor.vchar, " Shanghai ")) return VENDOR_ZHAOXIN;
if (!strcmp(vendor.vchar, "HygonGenuine")) return VENDOR_HYGON;
if ((eax == 0) || ((eax & 0x500) != 0)) return VENDOR_INTEL;
@ -415,7 +416,7 @@ static int get_vendor(void){
static gotoblas_t *get_coretype(void){
int eax, ebx, ecx, edx;
int family, exfamily, model, vendor, exmodel;
int family, exfamily, model, vendor, exmodel, stepping;
cpuid(1, &eax, &ebx, &ecx, &edx);
@ -423,6 +424,7 @@ static gotoblas_t *get_coretype(void){
exfamily = BITMASK(eax, 20, 0xff);
model = BITMASK(eax, 4, 0x0f);
exmodel = BITMASK(eax, 16, 0x0f);
stepping = BITMASK(eax, 0, 0x0f);
vendor = get_vendor();
@ -824,13 +826,19 @@ static gotoblas_t *get_coretype(void){
if (vendor == VENDOR_CENTAUR) {
switch (family) {
case 0x6:
return &gotoblas_NANO;
break;
case 0x7:
if (model == 0xf && stepping < 0xe)
return &gotoblas_NANO;
return &gotoblas_NEHALEM;
default:
if (family >= 0x7)
return &gotoblas_NEHALEM;
}
}
if (vendor == VENDOR_ZHAOXIN) {
return &gotoblas_NEHALEM;
}
return NULL;
}