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ports/misc/cpuid/files/patch-cpuid.c
Pav Lucistnik 54fdbc8ef2 - Add support for many new Intel features 
PR:		ports/90036
Submitted by:	Valentin Nechayev <netch@netch.kiev.ua>
2005-12-09 09:18:10 +00:00

344 lines
10 KiB
C
Raw Blame History

--- cpuid.c
+++ cpuid.c
@@ -20,17 +20,34 @@
void dointel(int),doamd(int),docyrix(int);
void printregs(int eax,int ebx,int ecx,int edx);
-#define MAXBRANDS 9
+#define MAXBRANDS 24
char *Brands[MAXBRANDS] = {
- "brand 0",
+ NULL,
"Celeron processor",
"Pentium III processor",
"Intel Pentium III Xeon processor",
- "brand 4",
- "brand 5",
- "brand 6",
- "brand 7",
+ "Intel Pentium III processor",
+ NULL,
+ "Mobile Intel Pentium III processor-M",
+ "Mobile Intel Celeron processor",
+ /* 8 */
"Intel Pentium 4 processor",
+ "Intel Pentium 4 processor",
+ "Intel Celeron processor",
+ "Intel Xeon processor",
+ "Intel Xeon processor MP",
+ NULL,
+ "Mobile Intel Pentium 4 processor-M",
+ "Mobile Intel Celeron processor",
+ /* 16 */
+ NULL,
+ "Mobile Genuine Intel processor",
+ "Intel Celeron M processor",
+ "Mobile Intel Celeron processor",
+ "Intel Celeron processor",
+ "Mobile Genuine Intel processor",
+ "Intel Pentium M processor",
+ "Mobile Intel Celeron processor",
};
#define cpuid(in,a,b,c,d)\
@@ -89,7 +106,7 @@
exit(0);
}
-char *Intel_feature_flags[] = {
+char *Intel_feature_flags[32] = {
"FPU Floating Point Unit",
"VME Virtual 8086 Mode Enhancements",
"DE Debugging Extensions",
@@ -124,6 +141,49 @@
"31 reserved",
};
+char *Intel_feature_flags2[32] = {
+ "SSE3 SSE3 extensions",
+ NULL,
+ NULL,
+ "MONITOR MONITOR/MWAIT instructions",
+ "DS-CPL CPL Qualified Debug Store",
+ NULL,
+ NULL,
+ "EST Enhanced Intel SpeedStep Technology",
+ "TM2 Thermal Monitor 2",
+ NULL,
+ "CID Context ID",
+ NULL,
+ NULL,
+ "CX16 CMPXCHG16B",
+ "xTPR Send Task Priority messages",
+ NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+};
+
+char *Intel_ext_feature_flags[32] = {
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ "SYSCALL SYSCALL/SYSRET instructions",
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ "XD-bit Execution Disable bit",
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ "EM64T Intel Extended Memory 64 Technology",
+ NULL, NULL
+};
+
+char *Intel_ext_feature_flags2[32] = {
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ "LAHF LAHF/SAHF available in IA-32e mode",
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+};
+
/* Intel-specific information */
void dointel(int maxi){
printf("Intel-specific functions:\n");
@@ -131,12 +191,15 @@
if(maxi >= 1){
/* Family/model/type etc */
int clf,apic_id,feature_flags;
+ int feature_flags2 = 0;
+ int ext_feature_flags = 0;
+ int ext_feature_flags2 = 0;
int extended_model = -1,extended_family = -1;
- unsigned long eax,ebx,edx,unused;
+ unsigned long eax,ebx,ecx,edx;
int stepping,model,family,type,reserved,brand,siblings;
int i;
- cpuid(1,eax,ebx,unused,edx);
+ cpuid(1,eax,ebx,ecx,edx);
printf("Version %08lx:\n",eax);
stepping = eax & 0xf;
model = (eax >> 4) & 0xf;
@@ -147,6 +210,7 @@
apic_id = (ebx >> 24) & 0xff;
siblings = (ebx >> 16) & 0xff;
feature_flags = edx;
+ feature_flags2 = ecx;
printf("Type %d - ",type);
switch(type){
@@ -253,9 +317,25 @@
case 8:
printf("Pentium III/Pentium III Xeon - internal L2 cache");
break;
+ case 9:
+ printf("Intel Pentium M processor model 9");
+ break;
+ case 10:
+ printf("Pentium III Xeon processor model A");
+ break;
+ case 11:
+ printf("Intel Pentium III processor model B");
+ break;
+ case 13:
+ printf("Intel Pentium M processor model D");
+ break;
}
break;
case 15:
+ extended_model = (eax >> 16) & 0xf;
+ if (extended_model == 0) {
+ printf("Intel Pentium 4 processor (generic) or newer");
+ }
break;
}
printf("\n");
@@ -270,16 +350,22 @@
brand = ebx & 0xff;
if(brand > 0){
printf("Brand index: %d [",brand);
- if(brand < MAXBRANDS){
+ if(brand < MAXBRANDS && Brands[brand] != NULL){
printf("%s]\n",Brands[brand]);
} else {
printf("not in table]\n");
}
}
- cpuid(0x80000000,eax,ebx,unused,edx);
+ cpuid(0x80000000,eax,ebx,ecx,edx);
if(eax & 0x80000000){
/* Extended feature/signature bits supported */
int maxe = eax;
+ if (maxe >= 0x80000001) {
+ unsigned long eax,ebx,ecx,edx;
+ cpuid(0x80000001,eax,ebx,ecx,edx);
+ ext_feature_flags = edx;
+ ext_feature_flags2 = ecx;
+ }
if(maxe >= 0x80000004){
int i;
@@ -303,12 +389,48 @@
printf("Hyper threading siblings: %d\n",siblings);
}
- printf("\nFeature flags %08x:\n",feature_flags);
+ printf("\nFeature flags: %08x:\n",feature_flags);
for(i=0;i<32;i++){
if(feature_flags & (1<<i)){
printf("%s\n",Intel_feature_flags[i]);
}
}
+ if(feature_flags2) {
+ printf("\nFeature flags set 2: %08x:\n",feature_flags2);
+ for (i = 0; i < 32; ++i) {
+ if (feature_flags2 & (1 << i)) {
+ const char* fn = Intel_feature_flags2[i];
+ if (fn != NULL)
+ printf("%s\n", fn);
+ else
+ printf("%d - unknown feature\n", i);
+ }
+ }
+ }
+ if(ext_feature_flags) {
+ printf("\nExtended feature flags: %08x:\n",ext_feature_flags);
+ for (i = 0; i < 32; ++i) {
+ if (ext_feature_flags & (1 << i)) {
+ const char* fn = Intel_ext_feature_flags[i];
+ if (fn != NULL)
+ printf("%s\n", fn);
+ else
+ printf("%d - unknown feature\n", i);
+ }
+ }
+ }
+ if(ext_feature_flags2) {
+ printf("\nExtended feature flags set 2: %08x:\n",ext_feature_flags2);
+ for (i = 0; i < 32; ++i) {
+ if (ext_feature_flags2 & (1 << i)) {
+ const char* fn = Intel_ext_feature_flags2[i];
+ if (fn != NULL)
+ printf("%s\n", fn);
+ else
+ printf("%d - unknown feature\n", i);
+ }
+ }
+ }
printf("\n");
}
if(maxi >= 2){
@@ -408,6 +530,33 @@
case 0xc:
printf("1st-level data cache: 16KB, 4-way set assoc, 32 byte line size\n");
break;
+ case 0x22:
+ printf("3rd-level cache: 512 KB, 4-way set associative, sectored cache, 64-byte line size\n");
+ break;
+ case 0x23:
+ printf("3rd-level cache: 1-MB, 8-way set associative, sectored cache, 64-byte line size\n");
+ break;
+ case 0x25:
+ printf("3rd-level cache: 2-MB, 8-way set associative, sectored cache, 64-byte line size\n");
+ break;
+ case 0x29:
+ printf("3rd-level cache: 4-MB, 8-way set associative, sectored cache, 64-byte line size\n");
+ break;
+ case 0x2c:
+ printf("1st-level data cache: 32-KB, 8-way set associative, 64-byte line size\n");
+ break;
+ case 0x30:
+ printf("1st-level instruction cache: 32-KB, 8-way set associative, 64-byte line size\n");
+ break;
+ case 0x39:
+ printf("2nd-level cache: 128-KB, 4-way set associative, sectored cache, 64-byte line size\n");
+ break;
+ case 0x3b:
+ printf("2nd-level cache: 128-KB, 2-way set associative, sectored cache, 64-byte line size\n");
+ break;
+ case 0x3c:
+ printf("2nd-level cache: 256-KB, 4-way set associative, sectored cache, 64-byte line size\n");
+ break;
case 0x40:
printf("No 2nd-level cache, or if 2nd-level cache exists, no 3rd-level cache\n");
break;
@@ -426,6 +575,12 @@
case 0x45:
printf("2nd-level cache: 2MB, 4-way set assoc, 32 byte line size\n");
break;
+ case 0x46:
+ printf("3rd-level cache: 4MB, 4-way set associative, 64-byte line size\n");
+ break;
+ case 0x47:
+ printf("3rd-level cache: 8MB, 8-way set associative, 64-byte line size\n");
+ break;
case 0x50:
printf("Instruction TLB: 4KB and 2MB or 4MB pages, 64 entries\n");
break;
@@ -436,13 +591,16 @@
printf("Instruction TLB: 4KB and 2MB or 4MB pages, 256 entries\n");
break;
case 0x5b:
- printf("Data TLB: 4KB and 4MB pages, 64 entries\n");
+ printf("Data TLB: 4KB and 4MB pages, fully assoc., 64 entries\n");
break;
case 0x5c:
- printf("Data TLB: 4KB and 4MB pages, 128 entries\n");
+ printf("Data TLB: 4KB and 4MB pages, fully assoc., 128 entries\n");
break;
case 0x5d:
- printf("Data TLB: 4KB and 4MB pages, 256 entries\n");
+ printf("Data TLB: 4KB and 4MB pages, fully assoc., 256 entries\n");
+ break;
+ case 0x60:
+ printf("1st-level data cache: 16-KB, 8-way set associative, sectored cache, 64-byte line size\n");
break;
case 0x66:
printf("1st-level data cache: 8KB, 4-way set assoc, 64 byte line size\n");
@@ -462,6 +620,9 @@
case 0x72:
printf("Trace cache: 32K-micro-op, 4-way set assoc\n");
break;
+ case 0x78:
+ printf("2nd-level cache: 1MB, 4-way set assoc, 64 byte line size\n");
+ break;
case 0x79:
printf("2nd-level cache: 128KB, 8-way set assoc, sectored, 64 byte line size\n");
break;
@@ -474,6 +635,12 @@
case 0x7c:
printf("2nd-level cache: 1MB, 8-way set assoc, sectored, 64 byte line size\n");
break;
+ case 0x7d:
+ printf("2nd-level cache: 2-MB, 8-way set associative, 64-byte line size\n");
+ break;
+ case 0x7f:
+ printf("2nd-level cache: 512KB, 2-way set assoc, 64 byte line size\n");
+ break;
case 0x82:
printf("2nd-level cache: 256KB, 8-way set assoc, 32 byte line size\n");
break;
@@ -485,6 +652,24 @@
break;
case 0x85:
printf("2nd-level cache: 2MB, 8-way set assoc, 32 byte line size\n");
+ break;
+ case 0x86:
+ printf("2nd-level cache: 512KB, 4-way set assoc, 64 byte line size\n");
+ break;
+ case 0x87:
+ printf("2nd-level cache: 1MB, 8-way set assoc, 64 byte line size\n");
+ break;
+ case 0xB0:
+ printf("Instruction TLB: 4-KB Pages, 4-way set associative, 128 entries\n");
+ break;
+ case 0xB3:
+ printf("Data TLB: 4-KB Pages, 4-way set associative, 128 entries\n");
+ break;
+ case 0xF0:
+ printf("64-byte prefetching\n");
+ break;
+ case 0xF1:
+ printf("128-byte prefetching\n");
break;
default:
printf("unknown TLB/cache descriptor\n");
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