cpuinfo.h

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    1 /*-
    2  * Copyright 2014 Svatopluk Kraus <onwahe@gmail.com>
    3  * Copyright 2014 Michal Meloun <meloun@miracle.cz>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD: releng/10.2/sys/arm/include/cpuinfo.h 283336 2015-05-23 23:05:31Z ian $
   28  */
   29 
   30 #ifndef _MACHINE_CPUINFO_H_
   31 #define _MACHINE_CPUINFO_H_
   32 
   33 #include <sys/types.h>
   34 
   35 struct cpuinfo {
   36         /* raw id registers */
   37         uint32_t midr;
   38         uint32_t ctr;
   39         uint32_t tcmtr;
   40         uint32_t tlbtr;
   41         uint32_t mpidr;
   42         uint32_t revidr;
   43         uint32_t id_pfr0;
   44         uint32_t id_pfr1;
   45         uint32_t id_dfr0;
   46         uint32_t id_afr0;
   47         uint32_t id_mmfr0;
   48         uint32_t id_mmfr1;
   49         uint32_t id_mmfr2;
   50         uint32_t id_mmfr3;
   51         uint32_t id_isar0;
   52         uint32_t id_isar1;
   53         uint32_t id_isar2;
   54         uint32_t id_isar3;
   55         uint32_t id_isar4;
   56         uint32_t id_isar5;
   57         uint32_t cbar;
   58 
   59         /* Parsed bits of above registers... */
   60 
   61         /* midr */
   62         int implementer;
   63         int revision;
   64         int architecture;
   65         int part_number;
   66         int patch;
   67 
   68         /* id_mmfr0 */
   69         int outermost_shareability;
   70         int shareability_levels;
   71         int auxiliary_registers;
   72         int innermost_shareability;
   73 
   74         /* id_mmfr1 */
   75         int mem_barrier;
   76 
   77         /* id_mmfr3 */
   78         int coherent_walk;
   79         int maintenance_broadcast;
   80 
   81         /* id_pfr1 */
   82         int generic_timer_ext;
   83         int virtualization_ext;
   84         int security_ext;
   85 
   86         /* L1 cache info */
   87         int dcache_line_size;
   88         int dcache_line_mask;
   89         int icache_line_size;
   90         int icache_line_mask;
   91 };
   92 
   93 extern struct cpuinfo cpuinfo;
   94 
   95 void cpuinfo_init(void);
   96 
   97 #endif  /* _MACHINE_CPUINFO_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm/include/cpuinfo.h

FreeBSD/Linux Kernel Cross Reference
sys/arm/include/cpuinfo.h