#include <stdio.h> typedef unsigned int UInt; typedef unsigned long long int ULong; void cpuid ( UInt* eax, UInt* ebx, UInt* ecx, UInt* edx, UInt index, UInt ecx_in ) { UInt a,b,c,d; asm volatile ("cpuid" : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ : "0" (index), "2"(ecx_in) ); *eax = a; *ebx = b; *ecx = c; *edx = d; printf("%08x %08x -> %08x %08x %08x %08x\n", index,ecx_in, a,b,c,d ); } int main ( void ) { UInt eax, ebx, ecx, edx; UInt maxidx, maxextidx, i,ecx_in; printf("\n"); cpuid(&eax,&ebx,&ecx,&edx, 0,0); maxidx = eax; for (i = 1; i <= maxidx +2; i++) { cpuid(&eax,&ebx,&ecx,&edx, i,0); if (i == 4) { printf("\n"); for (ecx_in = 1; ecx_in < 10; ecx_in++) { cpuid(&eax,&ebx,&ecx,&edx, i,ecx_in); } printf("\n"); } if (i == 0xb) { printf("\n"); for (ecx_in = 1; ecx_in < 10; ecx_in++) { cpuid(&eax,&ebx,&ecx,&edx, i,ecx_in); } printf("\n"); } if (i == 0xd) { printf("\n"); for (ecx_in = 1; ecx_in < 5; ecx_in++) { cpuid(&eax,&ebx,&ecx,&edx, i,ecx_in); } printf("\n"); } } printf("\n"); cpuid(&eax,&ebx,&ecx,&edx, 0x80000000,0); maxextidx = eax; for (i = 0x80000001; i <= maxextidx +2; i++) { cpuid(&eax,&ebx,&ecx,&edx, i,0); } printf("invalid\n"); cpuid(&eax,&ebx,&ecx,&edx, 1234,0); cpuid(&eax,&ebx,&ecx,&edx, 0x800004d3,0); return 0; } #include <stdio.h> typedef unsigned int UInt; typedef unsigned long long int ULong; void cpuid ( UInt* eax, UInt* ebx, UInt* ecx, UInt* edx, UInt index, UInt ecx_in ) { UInt a,b,c,d; asm volatile ("cpuid" : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ : "0" (index), "2"(ecx_in) ); *eax = a; *ebx = b; *ecx = c; *edx = d; printf("%08x %08x -> %08x %08x %08x %08x\n", index,ecx_in, a,b,c,d ); } int main ( void ) { UInt eax, ebx, ecx, edx; UInt maxidx, maxextidx, i,ecx_in; printf("\n"); cpuid(&eax,&ebx,&ecx,&edx, 0,0); maxidx = eax; for (i = 1; i <= maxidx +2; i++) { cpuid(&eax,&ebx,&ecx,&edx, i,0); if (i == 4) { printf("\n"); for (ecx_in = 1; ecx_in < 10; ecx_in++) { cpuid(&eax,&ebx,&ecx,&edx, i,ecx_in); } printf("\n"); } if (i == 0xb) { printf("\n"); for (ecx_in = 1; ecx_in < 10; ecx_in++) { cpuid(&eax,&ebx,&ecx,&edx, i,ecx_in); } printf("\n"); } if (i == 0xd) { printf("\n"); for (ecx_in = 1; ecx_in < 5; ecx_in++) { cpuid(&eax,&ebx,&ecx,&edx, i,ecx_in); } printf("\n"); } } printf("\n"); cpuid(&eax,&ebx,&ecx,&edx, 0x80000000,0); maxextidx = eax; for (i = 0x80000001; i <= maxextidx +2; i++) { cpuid(&eax,&ebx,&ecx,&edx, i,0); } printf("invalid\n"); cpuid(&eax,&ebx,&ecx,&edx, 1234,0); cpuid(&eax,&ebx,&ecx,&edx, 0x800004d3,0); return 0; }