lsflib/tools/cpuid.c
author Markus Brökers <mbroeker@largo.homelinux.org>
Wed, 18 Aug 2010 18:17:51 +0200
changeset 143 88d9b8bfa7a5
parent 121 fef2ccfa7b12
permissions -rw-r--r--
a md5 demo is already in lsflib/tools
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
77
49e0babccb23 HEADER TAGS
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 6
diff changeset
     1
/**
49e0babccb23 HEADER TAGS
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 6
diff changeset
     2
 * lsflib/tools/cpuid.c
49e0babccb23 HEADER TAGS
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 6
diff changeset
     3
 * Copyright (C) 2008 Markus Broeker
6
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     4
 */
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     5
121
fef2ccfa7b12 step 2) Header seperation
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
     6
#include <lsf/cpuid.h>
6
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     7
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     8
char *get_cpu_brand (int function)
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     9
{
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    10
    ULONG brand[4];
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    11
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    12
    static char s[48];
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    13
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    14
  __asm__ ("cpuid":"=a" (brand[0]), "=b" (brand[1]), "=c" (brand[2]), "=d" (brand[3])
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    15
  :         "a" (function)
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    16
        );
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    17
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    18
    memcpy (s, brand, sizeof (brand));
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    19
    return s;
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    20
}
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    21
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    22
char *get_cpu_vendor ()
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    23
{
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    24
    ULONG vendor[3];
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    25
    static char s[15];
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    26
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    27
    *s = 0;
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    28
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    29
  __asm__ ("cpuid":"=b" (vendor[0]), "=d" (vendor[1]), "=c" (vendor[2])
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    30
  :         "a" (0)
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    31
        );
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    32
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    33
    memcpy (s, vendor, sizeof (vendor));
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    34
    return s;
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    35
}
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    36
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    37
ULONG get_cpu_function (ULONG function, ULONG * ax, ULONG * bx, ULONG * cx, ULONG * dx)
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    38
{
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    39
  __asm__ ("cpuid":"=a" (*ax), "=b" (*bx), "=c" (*cx), "=d" (*dx)
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    40
  :         "a" (function)
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    41
        );
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    42
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    43
    return (ULONG) (*ax);
c3dc3eb3b541 a small libtool demo added to the demo distribution
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    44
}