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/mips/include/cpuinfo.h

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    1 /*      $NetBSD: cpu.h,v 1.70 2003/01/17 23:36:08 thorpej Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 1992, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * Ralph Campbell and Rick Macklem.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the University of
   21  *      California, Berkeley and its contributors.
   22  * 4. Neither the name of the University nor the names of its contributors
   23  *    may be used to endorse or promote products derived from this software
   24  *    without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   36  * SUCH DAMAGE.
   37  *
   38  * $FreeBSD: releng/11.1/sys/mips/include/cpuinfo.h 292609 2015-12-22 15:59:41Z adrian $
   39  *      @(#)cpu.h       8.4 (Berkeley) 1/4/94
   40  */
   41 
   42 #ifndef _CPUINFO_H_
   43 #define _CPUINFO_H_
   44 
   45 /*
   46  * Exported definitions unique to NetBSD/mips cpu support.
   47  */
   48 
   49 #ifdef _KERNEL
   50 #ifndef LOCORE
   51 
   52 struct mips_cpuinfo {
   53         u_int8_t        cpu_vendor;
   54         u_int8_t        cpu_rev;
   55         u_int8_t        cpu_impl;
   56         u_int8_t        tlb_type;
   57         u_int32_t       tlb_pgmask;
   58         u_int16_t       tlb_nentries;
   59         u_int8_t        icache_virtual;
   60         boolean_t       cache_coherent_dma;
   61         struct {
   62                 u_int32_t       ic_size;
   63                 u_int8_t        ic_linesize;
   64                 u_int8_t        ic_nways;
   65                 u_int16_t       ic_nsets;
   66                 u_int32_t       dc_size;
   67                 u_int8_t        dc_linesize;
   68                 u_int8_t        dc_nways;
   69                 u_int16_t       dc_nsets;
   70         } l1;
   71         struct {
   72                 u_int32_t       dc_size;
   73                 u_int8_t        dc_linesize;
   74                 u_int8_t        dc_nways;
   75                 u_int16_t       dc_nsets;
   76         } l2;
   77 };
   78 
   79 extern struct mips_cpuinfo cpuinfo;
   80 
   81 #endif /* !LOCORE */
   82 #endif /* _KERNEL */
   83 #endif /* _CPUINFO_H_ */

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