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/arm/include/md_var.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1995 Bruce D. Evans.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the author nor the names of contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      from: FreeBSD: src/sys/i386/include/md_var.h,v 1.40 2001/07/12
   32  * $FreeBSD$
   33  */
   34 
   35 #ifndef _MACHINE_MD_VAR_H_
   36 #define _MACHINE_MD_VAR_H_
   37 
   38 extern long Maxmem;
   39 extern char sigcode[];
   40 extern int szsigcode;
   41 extern u_long elf_hwcap;
   42 extern u_long elf_hwcap2;
   43 extern vm_paddr_t arm_physmem_kernaddr;
   44 
   45 extern int (*_arm_memcpy)(void *, void *, int, int);
   46 extern int (*_arm_bzero)(void *, int, int);
   47 
   48 extern int _min_memcpy_size;
   49 extern int _min_bzero_size;
   50 
   51 #define DST_IS_USER     0x1
   52 #define SRC_IS_USER     0x2
   53 #define IS_PHYSICAL     0x4
   54 
   55 enum cpu_class {
   56         CPU_CLASS_NONE,
   57         CPU_CLASS_CORTEXA,
   58         CPU_CLASS_KRAIT,
   59         CPU_CLASS_ARM11J,
   60         CPU_CLASS_MARVELL
   61 };
   62 extern enum cpu_class cpu_class;
   63 
   64 struct dumperinfo;
   65 extern int busdma_swi_pending;
   66 void busdma_swi(void);
   67 int minidumpsys(struct dumperinfo *);
   68 
   69 extern uint32_t initial_fpscr;
   70 
   71 #endif /* !_MACHINE_MD_VAR_H_ */

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