| 1 | /* $Id: cpuid.c 2280 2005-08-20 21:24:40Z bird $ */
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| 2 | /** @file
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| 3 | *
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| 4 | * The start of a cpuid dumper.
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| 5 | *
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| 6 | * Copyright (c) 2005 knut st. osmundsen <bird@anduin.net>
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| 7 | *
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| 8 | *
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| 9 | * This file is part of InnoTek LIBC.
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| 10 | *
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| 11 | * InnoTek LIBC is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * InnoTek LIBC is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with InnoTek LIBC; if not, write to the Free Software
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| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 24 | *
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| 25 | */
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| 26 |
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| 27 | #include <stdio.h>
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| 28 |
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| 29 | #define BIT(n) (1 << n)
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| 30 | int main()
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| 31 | {
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| 32 | unsigned eax, edx, ecx, ebx;
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| 33 | __asm__ ("cpuid" : "=a" (eax), "=d" (edx), "=c" (ecx), "=b" (ebx) : "0" (1));
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| 34 | printf("1: edx=%#x ecx=%#x eax=%#x ebx=%#x\n", edx, ecx, eax, ebx);
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| 35 | if (edx & BIT(0)) printf("FPU ");
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| 36 | if (edx & BIT(1)) printf("VME ");
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| 37 | if (edx & BIT(2)) printf("DE ");
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| 38 | if (edx & BIT(3)) printf("PSE ");
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| 39 | if (edx & BIT(4)) printf("TSC ");
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| 40 | if (edx & BIT(5)) printf("MSR ");
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| 41 | if (edx & BIT(6)) printf("PAE ");
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| 42 | if (edx & BIT(7)) printf("MCE ");
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| 43 | if (edx & BIT(8)) printf("CX8 ");
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| 44 | if (edx & BIT(9)) printf("APIC ");
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| 45 | if (edx & BIT(10)) printf("10 ");
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| 46 | if (edx & BIT(11)) printf("SEP ");
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| 47 | if (edx & BIT(12)) printf("MTRR ");
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| 48 | if (edx & BIT(13)) printf("PGE ");
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| 49 | if (edx & BIT(14)) printf("MCA ");
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| 50 | if (edx & BIT(15)) printf("CMOV ");
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| 51 | if (edx & BIT(16)) printf("PAT ");
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| 52 | if (edx & BIT(17)) printf("PSE36 ");
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| 53 | if (edx & BIT(18)) printf("PSN ");
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| 54 | if (edx & BIT(19)) printf("CLFSH ");
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| 55 | if (edx & BIT(20)) printf("20 ");
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| 56 | if (edx & BIT(21)) printf("DS ");
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| 57 | if (edx & BIT(22)) printf("ACPI ");
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| 58 | if (edx & BIT(23)) printf("MMX ");
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| 59 | if (edx & BIT(24)) printf("FXSR ");
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| 60 | if (edx & BIT(25)) printf("SSE ");
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| 61 | if (edx & BIT(26)) printf("SSE2 ");
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| 62 | if (edx & BIT(27)) printf("SS ");
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| 63 | if (edx & BIT(28)) printf("28 ");
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| 64 | if (edx & BIT(29)) printf("29 ");
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| 65 | if (edx & BIT(30)) printf("30 ");
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| 66 | if (edx & BIT(31)) printf("31 ");
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| 67 | printf("\n");
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| 68 |
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| 69 | return 0;
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| 70 | }
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