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  * SPDX-License-Identifier: BSD-4-Clause
    5  *
    6  * Copyright (c) 1992, 1993
    7  *      The Regents of the University of California.  All rights reserved.
    8  *
    9  * This code is derived from software contributed to Berkeley by
   10  * Ralph Campbell and Rick Macklem.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  * 3. All advertising materials mentioning features or use of this software
   21  *    must display the following acknowledgement:
   22  *      This product includes software developed by the University of
   23  *      California, Berkeley and its contributors.
   24  * 4. Neither the name of the University nor the names of its contributors
   25  *    may be used to endorse or promote products derived from this software
   26  *    without specific prior written permission.
   27  *
   28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   38  * SUCH DAMAGE.
   39  *
   40  * $FreeBSD$
   41  *      @(#)cpu.h       8.4 (Berkeley) 1/4/94
   42  */
   43 
   44 #ifndef _CPUINFO_H_
   45 #define _CPUINFO_H_
   46 
   47 /*
   48  * Exported definitions unique to NetBSD/mips cpu support.
   49  */
   50 
   51 #ifdef _KERNEL
   52 #ifndef LOCORE
   53 
   54 struct mips_cpuinfo {
   55         u_int8_t        cpu_vendor;
   56         u_int8_t        cpu_rev;
   57         u_int8_t        cpu_impl;
   58         u_int8_t        tlb_type;
   59         u_int32_t       tlb_pgmask;
   60         u_int16_t       tlb_nentries;
   61         u_int8_t        icache_virtual;
   62         boolean_t       cache_coherent_dma;
   63         boolean_t       userlocal_reg;
   64         struct {
   65                 u_int32_t       ic_size;
   66                 u_int8_t        ic_linesize;
   67                 u_int8_t        ic_nways;
   68                 u_int16_t       ic_nsets;
   69                 u_int32_t       dc_size;
   70                 u_int8_t        dc_linesize;
   71                 u_int8_t        dc_nways;
   72                 u_int16_t       dc_nsets;
   73         } l1;
   74         struct {
   75                 u_int32_t       dc_size;
   76                 u_int8_t        dc_linesize;
   77                 u_int8_t        dc_nways;
   78                 u_int16_t       dc_nsets;
   79         } l2;
   80         u_int32_t       fpu_id;
   81 };
   82 
   83 extern struct mips_cpuinfo cpuinfo;
   84 
   85 #endif /* !LOCORE */
   86 #endif /* _KERNEL */
   87 #endif /* _CPUINFO_H_ */

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