1
by Ramakrishnan M
Import upstream version 3.3 |
1 |
/* Intel and AMD x86 CPUID display program v 3.3 (1 Jan 2002)
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2 |
* Copyright 2002 Phil Karn, KA9Q
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* Updated 24 Apr 2001 to latest Intel CPUID spec
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* Updated 22 Dec 2001 to decode Intel flag 28, hyper threading
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* Updated 1 Jan 2002 to cover AMD Duron, Athlon
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* May be used under the terms of the GNU Public License (GPL)
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* Reference documents:
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* ftp://download.intel.com/design/pro/applnots/24161809.pdf (AP-485)
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* http://developer.intel.com/design/Pentium4/manuals/24547103.pdf
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* http://developer.intel.com/design/pentiumiii/applnots/24512501.pdf (AP-909)
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* http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/20734.pdf
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*
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*/
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#include <stdio.h> |
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17 |
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18 |
void decode_intel_tlb(int); |
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19 |
void decode_cyrix_tlb(int); |
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20 |
void dointel(int),doamd(int),docyrix(int); |
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void printregs(int eax,int ebx,int ecx,int edx); |
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#define MAXBRANDS 9
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char *Brands[MAXBRANDS] = { |
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"brand 0", |
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"Celeron processor", |
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"Pentium III processor", |
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"Intel Pentium III Xeon processor", |
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"brand 4", |
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"brand 5", |
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"brand 6", |
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"brand 7", |
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"Intel Pentium 4 processor", |
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};
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36 |
#define cpuid(in,a,b,c,d)\
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asm("cpuid": "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (in));
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38 |
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39 |
int main(){ |
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int i; |
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unsigned long li,maxi,maxei,ebx,ecx,edx,unused; |
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42 |
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43 |
/* Insert code here to test if CPUID instruction is available */
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44 |
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45 |
/* Dump all the CPUID results in raw hex */
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cpuid(0,maxi,unused,unused,unused); |
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maxi &= 0xffff; /* The high-order word is non-zero on some Cyrix CPUs */ |
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48 |
printf(" eax in eax ebx ecx edx\n"); |
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49 |
for(i=0;i<=maxi;i++){ |
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unsigned long eax,ebx,ecx,edx; |
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51 |
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52 |
cpuid(i,eax,ebx,ecx,edx); |
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printf("%08x %08lx %08lx %08lx %08lx\n",i,eax,ebx,ecx,edx); |
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}
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cpuid(0x80000000,maxei,unused,unused,unused); |
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56 |
for(li=0x80000000;li<=maxei;li++){ |
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unsigned long eax,ebx,ecx,edx; |
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58 |
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59 |
cpuid(li,eax,ebx,ecx,edx); |
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printf("%08lx %08lx %08lx %08lx %08lx\n",li,eax,ebx,ecx,edx); |
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61 |
}
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printf("\n"); |
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63 |
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64 |
/* Vendor ID and max CPUID level supported */
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cpuid(0,unused,ebx,ecx,edx); |
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printf("Vendor ID: \""); |
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for(i=0;i<4;i++) |
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putchar(ebx >> (8*i)); |
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for(i=0;i<4;i++) |
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putchar(edx >> (8*i)); |
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for(i=0;i<4;i++) |
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putchar(ecx >> (8*i)); |
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printf("\"; CPUID level %ld\n\n",maxi); |
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74 |
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switch(ebx){ |
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case 0x756e6547: /* Intel */ |
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dointel(maxi); |
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break; |
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case 0x68747541: /* AMD */ |
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doamd(maxi); |
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break; |
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case 0x69727943: /* Cyrix */ |
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docyrix(maxi); |
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break; |
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default: |
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printf("Unknown vendor\n"); |
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break; |
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}
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exit(0); |
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}
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char *Intel_feature_flags[] = { |
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"FPU Floating Point Unit", |
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"VME Virtual 8086 Mode Enhancements", |
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"DE Debugging Extensions", |
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"PSE Page Size Extensions", |
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"TSC Time Stamp Counter", |
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"MSR Model Specific Registers", |
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"PAE Physical Address Extension", |
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"MCE Machine Check Exception", |
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"CX8 COMPXCHG8B Instruction", |
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"APIC On-chip Advanced Programmable Interrupt Controller present and enabled", |
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"10 Reserved", |
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"SEP Fast System Call", |
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"MTRR Memory Type Range Registers", |
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"PGE PTE Global Flag", |
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"MCA Machine Check Architecture", |
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"CMOV Conditional Move and Compare Instructions", |
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"FGPAT Page Attribute Table", |
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"PSE-36 36-bit Page Size Extension", |
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"PN Processor Serial Number present and enabled", |
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"CLFSH CFLUSH instruction", |
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"20 reserved", |
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"DS Debug store", |
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"ACPI Thermal Monitor and Clock Ctrl", |
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"MMX MMX instruction set", |
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"FXSR Fast FP/MMX Streaming SIMD Extensions save/restore", |
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"SSE Streaming SIMD Extensions instruction set", |
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"SSE2 SSE2 extensions", |
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"SS Self Snoop", |
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"HT Hyper Threading", |
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"TM Thermal monitor", |
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"30 reserved", |
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"31 reserved", |
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};
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/* Intel-specific information */
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void dointel(int maxi){ |
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printf("Intel-specific functions:\n"); |
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if(maxi >= 1){ |
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/* Family/model/type etc */
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int clf,apic_id,feature_flags; |
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int extended_model = -1,extended_family = -1; |
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unsigned long eax,ebx,edx,unused; |
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int stepping,model,family,type,reserved,brand,siblings; |
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int i; |
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cpuid(1,eax,ebx,unused,edx); |
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printf("Version %08lx:\n",eax); |
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stepping = eax & 0xf; |
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model = (eax >> 4) & 0xf; |
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family = (eax >> 8) & 0xf; |
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type = (eax >> 12) & 0x3; |
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reserved = eax >> 14; |
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clf = (ebx >> 8) & 0xff; |
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apic_id = (ebx >> 24) & 0xff; |
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siblings = (ebx >> 16) & 0xff; |
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feature_flags = edx; |
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printf("Type %d - ",type); |
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switch(type){ |
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case 0: |
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printf("Original OEM"); |
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break; |
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case 1: |
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printf("Overdrive"); |
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break; |
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case 2: |
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printf("Dual-capable"); |
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break; |
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case 3: |
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printf("Reserved"); |
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break; |
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}
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printf("\n"); |
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printf("Family %d - ",family); |
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switch(family){ |
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case 3: |
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printf("i386"); |
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break; |
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case 4: |
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printf("i486"); |
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break; |
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case 5: |
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printf("Pentium"); |
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break; |
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case 6: |
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printf("Pentium Pro"); |
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break; |
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case 15: |
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printf("Pentium 4"); |
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}
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printf("\n"); |
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if(family == 15){ |
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extended_family = (eax >> 20) & 0xff; |
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printf("Extended family %d\n",extended_family); |
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}
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printf("Model %d - ",model); |
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switch(family){ |
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case 3: |
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break; |
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case 4: |
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switch(model){ |
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case 0: |
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case 1: |
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printf("DX"); |
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break; |
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case 2: |
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printf("SX"); |
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break; |
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case 3: |
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printf("487/DX2"); |
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break; |
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case 4: |
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printf("SL"); |
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break; |
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case 5: |
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printf("SX2"); |
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break; |
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case 7: |
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printf("write-back enhanced DX2"); |
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break; |
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case 8: |
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printf("DX4"); |
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break; |
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}
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break; |
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case 5: |
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switch(model){ |
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case 1: |
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printf("60/66"); |
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break; |
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case 2: |
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printf("75-200"); |
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break; |
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case 3: |
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printf("for 486 system"); |
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break; |
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case 4: |
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printf("MMX"); |
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break; |
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}
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break; |
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case 6: |
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switch(model){ |
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case 1: |
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printf("Pentium Pro"); |
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break; |
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case 3: |
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printf("Pentium II Model 3"); |
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break; |
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case 5: |
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printf("Pentium II Model 5/Xeon/Celeron"); |
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break; |
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case 6: |
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printf("Celeron"); |
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break; |
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case 7: |
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printf("Pentium III/Pentium III Xeon - external L2 cache"); |
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break; |
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case 8: |
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printf("Pentium III/Pentium III Xeon - internal L2 cache"); |
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break; |
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}
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break; |
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case 15: |
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break; |
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}
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printf("\n"); |
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if(model == 15){ |
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extended_model = (eax >> 16) & 0xf; |
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printf("Extended model %d\n",extended_model); |
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}
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printf("Stepping %d\n",stepping); |
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267 |
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printf("Reserved %d\n\n",reserved); |
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269 |
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brand = ebx & 0xff; |
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if(brand > 0){ |
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printf("Brand index: %d [",brand); |
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if(brand < MAXBRANDS){ |
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printf("%s]\n",Brands[brand]); |
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} else { |
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printf("not in table]\n"); |
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}
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}
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cpuid(0x80000000,eax,ebx,unused,edx); |
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if(eax & 0x80000000){ |
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/* Extended feature/signature bits supported */
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int maxe = eax; |
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283 |
if(maxe >= 0x80000004){ |
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int i; |
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285 |
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286 |
printf("Extended brand string: \""); |
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for(i=0x80000002;i<=0x80000004;i++){ |
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unsigned long eax,ebx,ecx,edx; |
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289 |
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290 |
cpuid(i,eax,ebx,ecx,edx); |
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printregs(eax,ebx,ecx,edx); |
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}
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printf("\"\n"); |
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}
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}
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if(clf) |
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printf("CLFLUSH instruction cache line size: %d\n",clf); |
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298 |
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299 |
if(apic_id) |
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300 |
printf("Initial APIC ID: %d\n",apic_id); |
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301 |
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302 |
if(feature_flags & (1<<28)){ |
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printf("Hyper threading siblings: %d\n",siblings); |
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}
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305 |
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306 |
printf("\nFeature flags %08x:\n",feature_flags); |
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for(i=0;i<32;i++){ |
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308 |
if(feature_flags & (1<<i)){ |
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printf("%s\n",Intel_feature_flags[i]); |
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}
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}
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312 |
printf("\n"); |
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313 |
}
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314 |
if(maxi >= 2){ |
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315 |
/* Decode TLB and cache info */
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316 |
int ntlb,i; |
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317 |
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318 |
ntlb = 255; |
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319 |
printf("TLB and cache info:\n"); |
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320 |
for(i=0;i<ntlb;i++){ |
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321 |
unsigned long eax,ebx,ecx,edx; |
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322 |
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323 |
cpuid(2,eax,ebx,ecx,edx); |
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324 |
ntlb = eax & 0xff; |
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325 |
decode_intel_tlb(eax >> 8); |
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326 |
decode_intel_tlb(eax >> 16); |
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327 |
decode_intel_tlb(eax >> 24); |
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328 |
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329 |
if((ebx & 0x80000000) == 0){ |
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330 |
decode_intel_tlb(ebx); |
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331 |
decode_intel_tlb(ebx >> 8); |
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332 |
decode_intel_tlb(ebx >> 16); |
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333 |
decode_intel_tlb(ebx >> 24); |
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334 |
}
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335 |
if((ecx & 0x80000000) == 0){ |
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336 |
decode_intel_tlb(ecx); |
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337 |
decode_intel_tlb(ecx >> 8); |
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338 |
decode_intel_tlb(ecx >> 16); |
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339 |
decode_intel_tlb(ecx >> 24); |
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340 |
}
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341 |
if((edx & 0x80000000) == 0){ |
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342 |
decode_intel_tlb(edx); |
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343 |
decode_intel_tlb(edx >> 8); |
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344 |
decode_intel_tlb(edx >> 16); |
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345 |
decode_intel_tlb(edx >> 24); |
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346 |
}
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347 |
}
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348 |
}
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349 |
if(maxi >= 3){ |
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350 |
/* Pentium III CPU serial number */
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351 |
unsigned long signature,unused,ecx,edx; |
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352 |
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353 |
cpuid(1,signature,unused,unused,unused); |
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354 |
cpuid(3,unused,unused,ecx,edx); |
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355 |
printf("Processor serial: "); |
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356 |
printf("%04lX",signature >> 16); |
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357 |
printf("-%04lX",signature & 0xffff); |
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358 |
printf("-%04lX",edx >> 16); |
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359 |
printf("-%04lX",edx & 0xffff); |
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360 |
printf("-%04lX",ecx >> 16); |
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361 |
printf("-%04lX\n",ecx & 0xffff); |
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362 |
}
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363 |
}
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364 |
void printregs(int eax,int ebx,int ecx,int edx){ |
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365 |
int j; |
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366 |
char string[17]; |
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367 |
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368 |
string[16] = '\0'; |
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369 |
for(j=0;j<4;j++){ |
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370 |
string[j] = eax >> (8*j); |
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371 |
string[j+4] = ebx >> (8*j); |
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372 |
string[j+8] = ecx >> (8*j); |
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373 |
string[j+12] = edx >> (8*j); |
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374 |
}
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375 |
printf("%s",string); |
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376 |
}
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377 |
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378 |
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379 |
/* Decode Intel TLB and cache info descriptors */
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380 |
void decode_intel_tlb(int x){ |
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381 |
x &= 0xff; |
|
382 |
if(x != 0) |
|
383 |
printf("%02x: ",x); |
|
384 |
switch(x){ |
|
385 |
case 0: |
|
386 |
break; |
|
387 |
case 0x1: |
|
388 |
printf("Instruction TLB: 4KB pages, 4-way set assoc, 32 entries\n"); |
|
389 |
break; |
|
390 |
case 0x2: |
|
391 |
printf("Instruction TLB: 4MB pages, 4-way set assoc, 2 entries\n"); |
|
392 |
break; |
|
393 |
case 0x3: |
|
394 |
printf("Data TLB: 4KB pages, 4-way set assoc, 64 entries\n"); |
|
395 |
break; |
|
396 |
case 0x4: |
|
397 |
printf("Data TLB: 4MB pages, 4-way set assoc, 8 entries\n"); |
|
398 |
break; |
|
399 |
case 0x6: |
|
400 |
printf("1st-level instruction cache: 8KB, 4-way set assoc, 32 byte line size\n"); |
|
401 |
break; |
|
402 |
case 0x8: |
|
403 |
printf("1st-level instruction cache: 16KB, 4-way set assoc, 32 byte line size\n"); |
|
404 |
break; |
|
405 |
case 0xa: |
|
406 |
printf("1st-level data cache: 8KB, 2-way set assoc, 32 byte line size\n"); |
|
407 |
break; |
|
408 |
case 0xc: |
|
409 |
printf("1st-level data cache: 16KB, 4-way set assoc, 32 byte line size\n"); |
|
410 |
break; |
|
411 |
case 0x40: |
|
412 |
printf("No 2nd-level cache, or if 2nd-level cache exists, no 3rd-level cache\n"); |
|
413 |
break; |
|
414 |
case 0x41: |
|
415 |
printf("2nd-level cache: 128KB, 4-way set assoc, 32 byte line size\n"); |
|
416 |
break; |
|
417 |
case 0x42: |
|
418 |
printf("2nd-level cache: 256KB, 4-way set assoc, 32 byte line size\n"); |
|
419 |
break; |
|
420 |
case 0x43: |
|
421 |
printf("2nd-level cache: 512KB, 4-way set assoc, 32 byte line size\n"); |
|
422 |
break; |
|
423 |
case 0x44: |
|
424 |
printf("2nd-level cache: 1MB, 4-way set assoc, 32 byte line size\n"); |
|
425 |
break; |
|
426 |
case 0x45: |
|
427 |
printf("2nd-level cache: 2MB, 4-way set assoc, 32 byte line size\n"); |
|
428 |
break; |
|
429 |
case 0x50: |
|
430 |
printf("Instruction TLB: 4KB and 2MB or 4MB pages, 64 entries\n"); |
|
431 |
break; |
|
432 |
case 0x51: |
|
433 |
printf("Instruction TLB: 4KB and 2MB or 4MB pages, 128 entries\n"); |
|
434 |
break; |
|
435 |
case 0x52: |
|
436 |
printf("Instruction TLB: 4KB and 2MB or 4MB pages, 256 entries\n"); |
|
437 |
break; |
|
438 |
case 0x5b: |
|
439 |
printf("Data TLB: 4KB and 4MB pages, 64 entries\n"); |
|
440 |
break; |
|
441 |
case 0x5c: |
|
442 |
printf("Data TLB: 4KB and 4MB pages, 128 entries\n"); |
|
443 |
break; |
|
444 |
case 0x5d: |
|
445 |
printf("Data TLB: 4KB and 4MB pages, 256 entries\n"); |
|
446 |
break; |
|
447 |
case 0x66: |
|
448 |
printf("1st-level data cache: 8KB, 4-way set assoc, 64 byte line size\n"); |
|
449 |
break; |
|
450 |
case 0x67: |
|
451 |
printf("1st-level data cache: 16KB, 4-way set assoc, 64 byte line size\n"); |
|
452 |
break; |
|
453 |
case 0x68: |
|
454 |
printf("1st-level data cache: 32KB, 4-way set assoc, 64 byte line size\n"); |
|
455 |
break; |
|
456 |
case 0x70: |
|
457 |
printf("Trace cache: 12K-micro-op, 4-way set assoc\n"); |
|
458 |
break; |
|
459 |
case 0x71: |
|
460 |
printf("Trace cache: 16K-micro-op, 4-way set assoc\n"); |
|
461 |
break; |
|
462 |
case 0x72: |
|
463 |
printf("Trace cache: 32K-micro-op, 4-way set assoc\n"); |
|
464 |
break; |
|
465 |
case 0x79: |
|
466 |
printf("2nd-level cache: 128KB, 8-way set assoc, sectored, 64 byte line size\n"); |
|
467 |
break; |
|
468 |
case 0x7a: |
|
469 |
printf("2nd-level cache: 256KB, 8-way set assoc, sectored, 64 byte line size\n"); |
|
470 |
break; |
|
471 |
case 0x7b: |
|
472 |
printf("2nd-level cache: 512KB, 8-way set assoc, sectored, 64 byte line size\n"); |
|
473 |
break; |
|
474 |
case 0x7c: |
|
475 |
printf("2nd-level cache: 1MB, 8-way set assoc, sectored, 64 byte line size\n"); |
|
476 |
break; |
|
477 |
case 0x82: |
|
478 |
printf("2nd-level cache: 256KB, 8-way set assoc, 32 byte line size\n"); |
|
479 |
break; |
|
480 |
case 0x83: |
|
481 |
printf("2nd-level cache: 512KB, 8-way set assoc 32 byte line size\n"); |
|
482 |
break; |
|
483 |
case 0x84: |
|
484 |
printf("2nd-level cache: 1MB, 8-way set assoc, 32 byte line size\n"); |
|
485 |
break; |
|
486 |
case 0x85: |
|
487 |
printf("2nd-level cache: 2MB, 8-way set assoc, 32 byte line size\n"); |
|
488 |
break; |
|
489 |
default: |
|
490 |
printf("unknown TLB/cache descriptor\n"); |
|
491 |
break; |
|
492 |
}
|
|
493 |
}
|
|
494 |
char *AMD_feature_flags[] = { |
|
495 |
"Floating Point Unit", |
|
496 |
"Virtual Mode Extensions", |
|
497 |
"Debugging Extensions", |
|
498 |
"Page Size Extensions", |
|
499 |
"Time Stamp Counter (with RDTSC and CR4 disable bit)", |
|
500 |
"Model Specific Registers with RDMSR & WRMSR", |
|
501 |
"PAE - Page Address Extensions", |
|
502 |
"Machine Check Exception", |
|
503 |
"COMPXCHG8B Instruction", |
|
504 |
"APIC", |
|
505 |
"10 - Reserved", |
|
506 |
"SYSCALL/SYSRET or SYSENTER/SYSEXIT instructions", |
|
507 |
"MTRR - Memory Type Range Registers", |
|
508 |
"Global paging extension", |
|
509 |
"Machine Check Architecture", |
|
510 |
"Conditional Move Instruction", |
|
511 |
"PAT - Page Attribute Table", |
|
512 |
"PSE-36 - Page Size Extensions", |
|
513 |
"18 - reserved", |
|
514 |
"19 - reserved", |
|
515 |
"20 - reserved", |
|
516 |
"21 - reserved", |
|
517 |
"AMD MMX Instruction Extensions", |
|
518 |
"MMX instructions", |
|
519 |
"FXSAVE/FXRSTOR", |
|
520 |
"25 - reserved", |
|
521 |
"26 - reserved", |
|
522 |
"27 - reserved", |
|
523 |
"28 - reserved", |
|
524 |
"29 - reserved", |
|
525 |
"3DNow! Instruction Extensions", |
|
526 |
"3DNow instructions", |
|
527 |
};
|
|
528 |
||
529 |
char *Assoc[] = { |
|
530 |
"L2 off", |
|
531 |
"Direct mapped", |
|
532 |
"2-way", |
|
533 |
"reserved", |
|
534 |
"4-way", |
|
535 |
"reserved", |
|
536 |
"8-way", |
|
537 |
"reserved", |
|
538 |
"16-way", |
|
539 |
"reserved", |
|
540 |
"reserved", |
|
541 |
"reserved", |
|
542 |
"reserved", |
|
543 |
"reserved", |
|
544 |
"reserved", |
|
545 |
"full", |
|
546 |
};
|
|
547 |
||
548 |
||
549 |
||
550 |
/* AMD-specific information */
|
|
551 |
void doamd(int maxi){ |
|
552 |
unsigned long maxei,unused; |
|
553 |
int family = 0; |
|
554 |
||
555 |
printf("AMD-specific functions\n"); |
|
556 |
||
557 |
/* Do standard stuff */
|
|
558 |
if(maxi >= 1){ |
|
559 |
unsigned long eax,ebx,edx,unused; |
|
560 |
int stepping,model,reserved; |
|
561 |
||
562 |
cpuid(1,eax,ebx,unused,edx); |
|
563 |
stepping = eax & 0xf; |
|
564 |
model = (eax >> 4) & 0xf; |
|
565 |
family = (eax >> 8) & 0xf; |
|
566 |
reserved = eax >> 12; |
|
567 |
||
568 |
printf("Version %08lx:\n",eax); |
|
569 |
printf("Family: %d Model: %d [",family,model); |
|
570 |
switch(family){ |
|
571 |
case 4: |
|
572 |
printf("486 model %d",model); |
|
573 |
break; |
|
574 |
case 5: |
|
575 |
switch(model){ |
|
576 |
case 0: |
|
577 |
case 1: |
|
578 |
case 2: |
|
579 |
case 3: |
|
580 |
case 6: |
|
581 |
case 7: |
|
582 |
printf("K6 Model %d",model); |
|
583 |
break; |
|
584 |
case 8: |
|
585 |
printf("K6-2 Model 8"); |
|
586 |
break; |
|
587 |
case 9: |
|
588 |
printf("K6-III Model 9"); |
|
589 |
break; |
|
590 |
default: |
|
591 |
printf("K5/K6 model %d",model); |
|
592 |
break; |
|
593 |
}
|
|
594 |
break; |
|
595 |
case 6: |
|
596 |
switch(model){ |
|
597 |
case 1: |
|
598 |
case 2: |
|
599 |
case 4: |
|
600 |
printf("Athlon model %d",model); |
|
601 |
break; |
|
602 |
case 3: |
|
603 |
printf("Duron model 3"); |
|
604 |
break; |
|
605 |
case 6: |
|
606 |
printf("Athlon MP/Mobile Athlon model 6"); |
|
607 |
break; |
|
608 |
case 7: |
|
609 |
printf("Mobile Duron Model 7"); |
|
610 |
break; |
|
611 |
default: |
|
612 |
printf("Duron/Athlon model %d",model); |
|
613 |
break; |
|
614 |
}
|
|
615 |
||
616 |
break; |
|
617 |
}
|
|
618 |
printf("]\n\n"); |
|
619 |
{
|
|
620 |
int i; |
|
621 |
||
622 |
printf("Standard feature flags %08lx:\n",edx); |
|
623 |
for(i=0;i<32;i++){ |
|
624 |
if(family == 5 && model == 0){ |
|
625 |
if(i == 9) |
|
626 |
printf("Global Paging Extensions\n"); |
|
627 |
else if(i == 13) |
|
628 |
printf("13 - reserved\n"); |
|
629 |
} else { |
|
630 |
if(edx & (1<<i)){ |
|
631 |
printf("%s\n",AMD_feature_flags[i]); |
|
632 |
}
|
|
633 |
}
|
|
634 |
}
|
|
635 |
}
|
|
636 |
}
|
|
637 |
/* Check for presence of extended info */
|
|
638 |
cpuid(0x80000000,maxei,unused,unused,unused); |
|
639 |
if(maxei == 0) |
|
640 |
return; |
|
641 |
||
642 |
if(maxei >= 0x80000001){ |
|
643 |
unsigned long eax,ebx,ecx,edx; |
|
644 |
int stepping,model,generation,reserved; |
|
645 |
int i; |
|
646 |
||
647 |
cpuid(0x80000001,eax,ebx,ecx,edx); |
|
648 |
stepping = eax & 0xf; |
|
649 |
model = (eax >> 4) & 0xf; |
|
650 |
generation = (eax >> 8) & 0xf; |
|
651 |
reserved = eax >> 12; |
|
652 |
||
653 |
printf("Generation: %d Model: %d\n",generation,model); |
|
654 |
printf("Extended feature flags %08lx:\n",edx); |
|
655 |
for(i=0;i<32;i++){ |
|
656 |
if(family == 5 && model == 0 && i == 9){ |
|
657 |
printf("Global Paging Extensions\n"); |
|
658 |
} else { |
|
659 |
if(edx & (1<<i)){ |
|
660 |
printf("%s\n",AMD_feature_flags[i]); |
|
661 |
}
|
|
662 |
}
|
|
663 |
}
|
|
664 |
}
|
|
665 |
printf("\n"); |
|
666 |
if(maxei >= 0x80000002){ |
|
667 |
/* Processor identification string */
|
|
668 |
int j; |
|
669 |
printf("Processor name string: "); |
|
670 |
for(j=0x80000002;j<=0x80000004;j++){ |
|
671 |
unsigned long eax,ebx,ecx,edx; |
|
672 |
||
673 |
cpuid(j,eax,ebx,ecx,edx); |
|
674 |
printregs(eax,ebx,ecx,edx); |
|
675 |
}
|
|
676 |
printf("\n"); |
|
677 |
}
|
|
678 |
if(maxei >= 0x80000005){ |
|
679 |
/* TLB and cache info */
|
|
680 |
unsigned long eax,ebx,ecx,edx; |
|
681 |
||
682 |
cpuid(0x80000005,eax,ebx,ecx,edx); |
|
683 |
printf("L1 Cache Information:\n"); |
|
684 |
if(family >= 6){ |
|
685 |
printf("2/4-MB Pages:\n"); |
|
686 |
printf(" Data TLB: associativity %ld-way #entries %ld\n", |
|
687 |
(eax >> 24) & 0xff,(eax >> 16) & 0xff); |
|
688 |
printf(" Instruction TLB: associativity %ld-way #entries %ld\n", |
|
689 |
(eax >> 8) & 0xff,eax & 0xff); |
|
690 |
}
|
|
691 |
printf("4-KB Pages:\n"); |
|
692 |
printf(" Data TLB: associativity %ld-way #entries %ld\n", |
|
693 |
(ebx >> 24) & 0xff,(ebx >> 16) & 0xff); |
|
694 |
printf(" Instruction TLB: associativity %ld-way #entries %ld\n", |
|
695 |
(ebx >> 8) & 0xff,ebx & 0xff); |
|
696 |
||
697 |
printf("L1 Data cache:\n"); |
|
698 |
printf(" size %ld KB associativity %lx-way lines per tag %ld line size %ld\n", |
|
699 |
ecx >> 24,(ecx>>16) & 0xff,(ecx >> 8)&0xff,ecx&0xff); |
|
700 |
||
701 |
printf("L1 Instruction cache:\n"); |
|
702 |
printf(" size %ld KB associativity %lx-way lines per tag %ld line size %ld\n", |
|
703 |
edx >> 24,(edx>>16) & 0xff,(edx >> 8)&0xff,edx&0xff); |
|
704 |
printf("\n"); |
|
705 |
}
|
|
706 |
||
707 |
/* check K6-III (and later?) on-chip L2 cache size */
|
|
708 |
if (maxei >= 0x80000006) { |
|
709 |
unsigned long eax,ebx,ecx,unused; |
|
710 |
int assoc; |
|
711 |
||
712 |
cpuid(0x80000006,eax,ebx,ecx,unused); |
|
713 |
printf("L2 Cache Information:\n"); |
|
714 |
if(family >= 6){ |
|
715 |
printf("2/4-MB Pages:\n"); |
|
716 |
assoc = (eax >> 24) & 0xff; |
|
717 |
if(assoc == 6) |
|
718 |
assoc = 8; |
|
719 |
printf(" Data TLB: associativity %s #entries %ld\n", |
|
720 |
Assoc[(eax >> 24) & 0xf],(eax >> 16) & 0xff); |
|
721 |
assoc = (eax >> 16) & 0xff; |
|
722 |
printf(" Instruction TLB: associativity %s #entries %ld\n", |
|
723 |
Assoc[(eax >> 8) & 0xf],eax & 0xff); |
|
724 |
||
725 |
printf("4-KB Pages:\n"); |
|
726 |
printf(" Data TLB: associativity %s #entries %ld\n", |
|
727 |
Assoc[(ebx >> 24) & 0xf],(ebx >> 16) & 0xff); |
|
728 |
printf(" Instruction TLB: associativity %s #entries %ld\n", |
|
729 |
Assoc[(ebx >> 8) & 0xf],ebx & 0xff); |
|
730 |
}
|
|
731 |
printf(" size %ld KB associativity %s lines per tag %ld line size %ld\n", |
|
732 |
ecx >> 24,Assoc[(ecx>>16) & 0xf],(ecx >> 8)&0xff,ecx&0xff); |
|
733 |
||
734 |
printf("\n"); |
|
735 |
}
|
|
736 |
/* Check power management feature flags */
|
|
737 |
if(maxei >= 0x80000007){ |
|
738 |
unsigned long unused,edx; |
|
739 |
||
740 |
printf("Advanced Power Management Feature Flags\n"); |
|
741 |
cpuid(0x80000007,unused,unused,unused,edx); |
|
742 |
if(edx & 1) |
|
743 |
printf("Has temperature sensing diode\n"); |
|
744 |
if(edx & 2) |
|
745 |
printf("Supports Frequency ID control\n"); |
|
746 |
if(edx & 4) |
|
747 |
printf("Supports Voltage ID control\n"); |
|
748 |
}
|
|
749 |
/* Check phys address & linear address size */
|
|
750 |
if(maxei >= 0x80000008){ |
|
751 |
unsigned long unused,eax; |
|
752 |
||
753 |
cpuid(0x80000008,eax,unused,unused,unused); |
|
754 |
printf("Maximum linear address: %ld; maximum phys address %ld\n", |
|
755 |
(eax>>8) & 0xff,eax&0xff); |
|
756 |
}
|
|
757 |
}
|
|
758 |
||
759 |
char *Cyrix_standard_feature_flags_5[] = { |
|
760 |
"FPU Floating Point Unit", |
|
761 |
"V86 Virtual Mode Extensions", |
|
762 |
"Debug Extension", |
|
763 |
"4MB Page Size", |
|
764 |
"Time Stamp Counter", |
|
765 |
"RDMSR/WRMSR (Model Specific Registers)", |
|
766 |
"PAE", |
|
767 |
"Machine Check Exception", |
|
768 |
"COMPXCHG8B Instruction", |
|
769 |
"APIC - On-chip Advanced Programmable Interrupt Controller present and enabled", |
|
770 |
"10 - Reserved", |
|
771 |
"11 - Reserved", |
|
772 |
"MTRR Memory Type Range Registers", |
|
773 |
"13 - reserved", |
|
774 |
"Machine Check", |
|
775 |
"CMOV Conditional Move Instruction", |
|
776 |
"16 - reserved", |
|
777 |
"17 - reserved", |
|
778 |
"18 - reserved", |
|
779 |
"19 - reserved", |
|
780 |
"20 - reserved", |
|
781 |
"21 - reserved", |
|
782 |
"22 - reserved", |
|
783 |
"MMX instructions", |
|
784 |
"24 - reserved", |
|
785 |
"25 - reserved", |
|
786 |
"26 - reserved", |
|
787 |
"27 - reserved", |
|
788 |
"28 - reserved", |
|
789 |
"29 - reserved", |
|
790 |
"30 - reserved", |
|
791 |
};
|
|
792 |
||
793 |
char *Cyrix_standard_feature_flags_not5[] = { |
|
794 |
"FPU Floating Point Unit", |
|
795 |
"V86 Virtual Mode Extensions", |
|
796 |
"Debug Extension", |
|
797 |
"4MB Page Size", |
|
798 |
"Time Stamp Counter", |
|
799 |
"RDMSR/WRMSR (Model Specific Registers)", |
|
800 |
"PAE", |
|
801 |
"Machine Check Exception", |
|
802 |
"COMPXCHG8B Instruction", |
|
803 |
"APIC - On-chip Advanced Programmable Interrupt Controller present and enabled", |
|
804 |
"10 - Reserved", |
|
805 |
"11 - Reserved", |
|
806 |
"MTRR Memory Type Range Registers", |
|
807 |
"Global Paging Extension", |
|
808 |
"Machine Check", |
|
809 |
"CMOV Conditional Move Instruction", |
|
810 |
"16 - reserved", |
|
811 |
"17 - reserved", |
|
812 |
"18 - reserved", |
|
813 |
"19 - reserved", |
|
814 |
"20 - reserved", |
|
815 |
"21 - reserved", |
|
816 |
"22 - reserved", |
|
817 |
"MMX instructions", |
|
818 |
"24 - reserved", |
|
819 |
"25 - reserved", |
|
820 |
"26 - reserved", |
|
821 |
"27 - reserved", |
|
822 |
"28 - reserved", |
|
823 |
"29 - reserved", |
|
824 |
"30 - reserved", |
|
825 |
};
|
|
826 |
||
827 |
||
828 |
char *Cyrix_extended_feature_flags[] = { |
|
829 |
"FPU Floating Point Unit", |
|
830 |
"V86 Virtual Mode Extensions", |
|
831 |
"Debug Extension", |
|
832 |
"Page Size Extensions", |
|
833 |
"Time Stamp Counter", |
|
834 |
"Cyrix MSR", |
|
835 |
"PAE", |
|
836 |
"MC Exception", |
|
837 |
"COMPXCHG8B", |
|
838 |
"APIC on chip", |
|
839 |
"SYSCALL/SYSRET", |
|
840 |
"11 - reserved", |
|
841 |
"MTRR", |
|
842 |
"Global bit", |
|
843 |
"Machine Check", |
|
844 |
"CMOV", |
|
845 |
"FPU CMOV", |
|
846 |
"17 - reserved", |
|
847 |
"18 - reserved", |
|
848 |
"19 - reserved", |
|
849 |
"20 - reserved", |
|
850 |
"21 - reserved", |
|
851 |
"22 - reserved", |
|
852 |
"MMX", |
|
853 |
"Extended MMX", |
|
854 |
"25 - reserved", |
|
855 |
"26 - reserved", |
|
856 |
"27 - reserved", |
|
857 |
"28 - reserved", |
|
858 |
"29 - reserved", |
|
859 |
"30 - reserved", |
|
860 |
"3DNow instructions", |
|
861 |
};
|
|
862 |
||
863 |
/* Cyrix-specific information */
|
|
864 |
void docyrix(int maxi){ |
|
865 |
unsigned long maxei,unused; |
|
866 |
int i; |
|
867 |
||
868 |
printf("Cyrix-specific functions\n"); |
|
869 |
cpuid(0x80000000,maxei,unused,unused,unused); |
|
870 |
/* Dump extended info, if any, in raw hex */
|
|
871 |
for(i=0x80000000;i<=maxei;i++){ |
|
872 |
unsigned long eax,ebx,ecx,edx; |
|
873 |
||
874 |
cpuid(i,eax,ebx,ecx,edx); |
|
875 |
printf("eax in: 0x%x, eax = %08lx ebx = %08lx ecx = %08lx edx = %08lx\n",i,eax,ebx,ecx,edx); |
|
876 |
}
|
|
877 |
||
878 |
/* Do standard stuff */
|
|
879 |
if(maxi >= 1){ |
|
880 |
unsigned long eax,unused,edx; |
|
881 |
int stepping,model,family,reserved; |
|
882 |
||
883 |
cpuid(1,eax,unused,unused,edx); |
|
884 |
stepping = eax & 0xf; |
|
885 |
model = (eax >> 4) & 0xf; |
|
886 |
family = (eax >> 8) & 0xf; |
|
887 |
reserved = eax >> 12; |
|
888 |
||
889 |
printf("Family: %d Model: %d [",family,model); |
|
890 |
switch(family){ |
|
891 |
case 4: |
|
892 |
switch(model){ |
|
893 |
case 4: |
|
894 |
printf("MediaGX"); |
|
895 |
break; |
|
896 |
}
|
|
897 |
break; |
|
898 |
case 5: |
|
899 |
switch(model){ |
|
900 |
case 2: |
|
901 |
printf("6x86"); |
|
902 |
break; |
|
903 |
case 4: |
|
904 |
printf("BXm"); |
|
905 |
break; |
|
906 |
}
|
|
907 |
break; |
|
908 |
case 6: |
|
909 |
switch(model){ |
|
910 |
case 0: |
|
911 |
printf("6x86/MX"); |
|
912 |
break; |
|
913 |
}
|
|
914 |
break; |
|
915 |
}
|
|
916 |
printf("]\n\n"); |
|
917 |
if(family == 5 && model == 0){ |
|
918 |
int i; |
|
919 |
||
920 |
for(i=0;i<32;i++){ |
|
921 |
if(edx & (1<<i)){ |
|
922 |
printf("%s\n",Cyrix_standard_feature_flags_5[i]); |
|
923 |
}
|
|
924 |
}
|
|
925 |
} else { |
|
926 |
int i; |
|
927 |
||
928 |
for(i=0;i<32;i++){ |
|
929 |
if(edx & (1<<i)){ |
|
930 |
printf("%s\n",Cyrix_standard_feature_flags_not5[i]); |
|
931 |
}
|
|
932 |
}
|
|
933 |
}
|
|
934 |
}
|
|
935 |
if(maxi >= 2){ |
|
936 |
/* TLB and L1 Cache info */
|
|
937 |
int ntlb = 255; |
|
938 |
int i; |
|
939 |
||
940 |
for(i=0;i<ntlb;i++){ |
|
941 |
unsigned long eax,edx,unused; |
|
942 |
||
943 |
cpuid(2,eax,unused,unused,edx); |
|
944 |
ntlb = eax & 0xff; |
|
945 |
decode_cyrix_tlb(eax >> 8); |
|
946 |
decode_cyrix_tlb(eax >> 16); |
|
947 |
decode_cyrix_tlb(eax >> 24); |
|
948 |
||
949 |
/* ebx and ecx are reserved */
|
|
950 |
||
951 |
if((edx & 0x80000000) == 0){ |
|
952 |
decode_cyrix_tlb(edx); |
|
953 |
decode_cyrix_tlb(edx >> 8); |
|
954 |
decode_cyrix_tlb(edx >> 16); |
|
955 |
decode_cyrix_tlb(edx >> 24); |
|
956 |
}
|
|
957 |
}
|
|
958 |
}
|
|
959 |
||
960 |
/* Check for presence of extended info */
|
|
961 |
if(maxei < 0x80000000) |
|
962 |
return; |
|
963 |
||
964 |
printf("\nExtended info:\n"); |
|
965 |
if(maxei >= 0x80000001){ |
|
966 |
unsigned long eax,ebx,ecx,edx; |
|
967 |
int stepping,model,family,reserved,i; |
|
968 |
||
969 |
cpuid(0x80000001,eax,ebx,ecx,edx); |
|
970 |
stepping = eax & 0xf; |
|
971 |
model = (eax >> 4) & 0xf; |
|
972 |
family = (eax >> 8) & 0xf; |
|
973 |
reserved = eax >> 12; |
|
974 |
printf("Family: %d Model: %d [",family,model); |
|
975 |
switch(family){ |
|
976 |
case 4: |
|
977 |
printf("MediaGX"); |
|
978 |
break; |
|
979 |
case 5: |
|
980 |
printf("6x86/GXm"); |
|
981 |
break; |
|
982 |
case 6: |
|
983 |
printf("6x86/MX"); |
|
984 |
}
|
|
985 |
printf("]\n\n"); |
|
986 |
||
987 |
printf("Extended feature flags:\n"); |
|
988 |
for(i=0;i<32;i++){ |
|
989 |
if(edx & (1<<i)){ |
|
990 |
printf("%s\n",Cyrix_extended_feature_flags[i]); |
|
991 |
}
|
|
992 |
}
|
|
993 |
}
|
|
994 |
printf("\n"); |
|
995 |
if(maxei >= 0x80000002){ |
|
996 |
/* Processor identification string */
|
|
997 |
char namestring[49],*cp; |
|
998 |
int j; |
|
999 |
cp = namestring; |
|
1000 |
printf("Processor name string: "); |
|
1001 |
for(j=0x80000002;j<=0x80000004;j++){ |
|
1002 |
unsigned long eax,ebx,ecx,edx; |
|
1003 |
||
1004 |
cpuid(j,eax,ebx,ecx,edx); |
|
1005 |
printregs(eax,ebx,ecx,edx); |
|
1006 |
}
|
|
1007 |
}
|
|
1008 |
if(maxei >= 0x80000005){ |
|
1009 |
/* TLB and L1 Cache info */
|
|
1010 |
int ntlb = 255; |
|
1011 |
int i; |
|
1012 |
||
1013 |
for(i=0;i<ntlb;i++){ |
|
1014 |
unsigned long eax,ebx,ecx,unused; |
|
1015 |
||
1016 |
cpuid(0x80000005,eax,ebx,ecx,unused); |
|
1017 |
ntlb = eax & 0xff; |
|
1018 |
decode_cyrix_tlb(ebx >> 8); |
|
1019 |
decode_cyrix_tlb(ebx >> 16); |
|
1020 |
decode_cyrix_tlb(ebx >> 24); |
|
1021 |
||
1022 |
/* eax and edx are reserved */
|
|
1023 |
||
1024 |
if((ecx & 0x80000000) == 0){ |
|
1025 |
decode_cyrix_tlb(ecx); |
|
1026 |
decode_cyrix_tlb(ecx >> 8); |
|
1027 |
decode_cyrix_tlb(ecx >> 16); |
|
1028 |
decode_cyrix_tlb(ecx >> 24); |
|
1029 |
}
|
|
1030 |
}
|
|
1031 |
}
|
|
1032 |
}
|
|
1033 |
||
1034 |
||
1035 |
/* Decode Cyrix TLB and cache info descriptors */
|
|
1036 |
void decode_cyrix_tlb(int x){ |
|
1037 |
switch(x & 0xff){ |
|
1038 |
case 0: |
|
1039 |
break; |
|
1040 |
case 0x70: |
|
1041 |
printf("TLB: 32 entries 4-way associative 4KB pages\n"); |
|
1042 |
break; |
|
1043 |
case 0x80: |
|
1044 |
printf("L1 Cache: 16KB 4-way associative 16 bytes/line\n"); |
|
1045 |
break; |
|
1046 |
}
|
|
1047 |
}
|