1 /*

     2  * cpuinfo.c

     3  */

     4 

     5 #include <cpuid.h>

     6 

     7 char *get_cpu_brand (int function)

     8 {

     9     ULONG brand[4];

    10 

    11     static char s[48];

    12 

    13   __asm__ ("cpuid":"=a" (brand[0]), "=b" (brand[1]), "=c" (brand[2]), "=d" (brand[3])

    14   :         "a" (function)

    15         );

    16 

    17     memcpy (s, brand, sizeof (brand));

    18     return s;

    19 }

    20 

    21 char *get_cpu_vendor ()

    22 {

    23     ULONG vendor[3];

    24     static char s[15];

    25 

    26     *s = 0;

    27 

    28   __asm__ ("cpuid":"=b" (vendor[0]), "=d" (vendor[1]), "=c" (vendor[2])

    29   :         "a" (0)

    30         );

    31 

    32     memcpy (s, vendor, sizeof (vendor));

    33     return s;

    34 }

    35 

    36 ULONG get_cpu_function (ULONG function, ULONG * ax, ULONG * bx, ULONG * cx, ULONG * dx)

    37 {

    38   __asm__ ("cpuid":"=a" (*ax), "=b" (*bx), "=c" (*cx), "=d" (*dx)

    39   :         "a" (function)

    40         );

    41 

    42     return (ULONG) (*ax);

    43 }