The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/cputypes.h

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    1 /*-
    2  * Copyright (c) 1993 Christopher G. Demetriou
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. The name of the author may not be used to endorse or promote products
   14  *    derived from this software without specific prior written permission
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef _MACHINE_CPUTYPES_H_
   31 #define _MACHINE_CPUTYPES_H_
   32 
   33 /*
   34  * Classes of processor.
   35  */
   36 #define CPUCLASS_286    0
   37 #define CPUCLASS_386    1
   38 #define CPUCLASS_486    2
   39 #define CPUCLASS_586    3
   40 #define CPUCLASS_686    4
   41 
   42 /*
   43  * Kinds of processor.
   44  */
   45 #define CPU_286         0       /* Intel 80286 */
   46 #define CPU_386SX       1       /* Intel 80386SX */
   47 #define CPU_386         2       /* Intel 80386DX */
   48 #define CPU_486SX       3       /* Intel 80486SX */
   49 #define CPU_486         4       /* Intel 80486DX */
   50 #define CPU_586         5       /* Intel P.....m (I hate lawyers; it's TM) */
   51 #define CPU_486DLC      6       /* Cyrix 486DLC */
   52 #define CPU_686         7       /* Pentium Pro */
   53 #define CPU_M1SC        8       /* Cyrix M1sc (aka 5x86) */
   54 #define CPU_M1          9       /* Cyrix M1 (aka 6x86) */
   55 #define CPU_BLUE        10      /* IBM BlueLighting CPU */
   56 #define CPU_M2          11      /* Cyrix M2 (aka enhanced 6x86 with MMX */
   57 #define CPU_NX586       12      /* NexGen (now AMD) 586 */
   58 #define CPU_CY486DX     13      /* Cyrix 486S/DX/DX2/DX4 */
   59 #define CPU_PII         14      /* Intel Pentium II */
   60 #define CPU_PIII        15      /* Intel Pentium III */
   61 #define CPU_P4          16      /* Intel Pentium 4 */
   62 #define CPU_GEODE1100   17      /* NS Geode SC1100 */
   63 
   64 #ifndef LOCORE
   65 extern int      cpu;
   66 extern int      cpu_class;
   67 #endif
   68 
   69 #endif /* !_MACHINE_CPUTYPES_H_ */

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