lsflib/tools/cpuid.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 12:50:28 +0200
changeset 66 2b4f786d9073
parent 6 c3dc3eb3b541
child 77 49e0babccb23
permissions -rw-r--r--
Common Makefile Style NAME += OBJECT committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/*
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 * cpuinfo.c
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 */
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#include <cpuid.h>
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char *get_cpu_brand (int function)
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{
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    ULONG brand[4];
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    static char s[48];
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  __asm__ ("cpuid":"=a" (brand[0]), "=b" (brand[1]), "=c" (brand[2]), "=d" (brand[3])
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  :         "a" (function)
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        );
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    memcpy (s, brand, sizeof (brand));
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    return s;
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}
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char *get_cpu_vendor ()
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{
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    ULONG vendor[3];
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    static char s[15];
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    *s = 0;
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  __asm__ ("cpuid":"=b" (vendor[0]), "=d" (vendor[1]), "=c" (vendor[2])
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  :         "a" (0)
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        );
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    memcpy (s, vendor, sizeof (vendor));
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    return s;
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}
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ULONG get_cpu_function (ULONG function, ULONG * ax, ULONG * bx, ULONG * cx, ULONG * dx)
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{
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  __asm__ ("cpuid":"=a" (*ax), "=b" (*bx), "=c" (*cx), "=d" (*dx)
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  :         "a" (function)
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        );
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    return (ULONG) (*ax);
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}