cpuid.c

来自「一款类linux的操作系统源码」· C语言 代码 · 共 59 行

/*
 *  Roadrunner/pk
 *    Copyright (C) 1989-2002  Cornfed Systems, Inc.
 *
 *  The Roadrunner/pk operating system is free software; you can
 *  redistribute and/or modify it under the terms of the GNU General
 *  Public License, version 2, as published by the Free Software
 *  Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free
 *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA 02111-1307 USA
 *
 *  More information about the Roadrunner/pk operating system of
 *  which this file is a part is available on the World-Wide Web
 *  at: http://www.cornfed.com.
 *
 */

#include <stdio.h>
#include <string.h>

/* Must be at least one greater than 12 */
#define VENDOR_STRING_LENGTH	16

#define cpuid_asm(in,a,b,c,d) \
    asm("cpuid": "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (in));

static char *intel_brand[] = {
    "reserved",
    "Celeron",
    "Pentium III",
    "Pentium III Xeon",
    "Pentium III",
    "reserved",
    "Mobile Pentium III",
    "Mobile Celeron",
    "Pentium 4",
    "Pentium 4",
    "Pentium 4",
    "Pentium 4 Xeon",
    "reserved",
    "reserved",
    "Pentium 4 Xeon",
    "reserved"
};

void cpuid();
void
cpuid()
{
}