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/md_var.h

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    1 /*-
    2  * Copyright (c) 1995 Bruce D. Evans.
    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. Neither the name of the author nor the names of contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * $FreeBSD: releng/11.2/sys/i386/include/md_var.h 332074 2018-04-05 14:55:44Z rgrimes $
   30  */
   31 
   32 #ifndef _MACHINE_MD_VAR_H_
   33 #define _MACHINE_MD_VAR_H_
   34 
   35 #include <x86/x86_var.h>
   36 
   37 extern  u_int   cyrix_did;
   38 #if defined(I586_CPU) && !defined(NO_F00F_HACK)
   39 extern  int     has_f00f_bug;
   40 #endif
   41 #ifdef COMPAT_FREEBSD4
   42 extern  int     szfreebsd4_sigcode;
   43 #endif
   44 #ifdef COMPAT_43
   45 extern  int     szosigcode;
   46 #endif
   47 extern  uint32_t *vm_page_dump;
   48 
   49 struct  segment_descriptor;
   50 union savefpu;
   51 
   52 void    bcopyb(const void *from, void *to, size_t len);
   53 void    cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));
   54 void    doreti_iret(void) __asm(__STRING(doreti_iret));
   55 void    doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
   56 void    doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds));
   57 void    doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault));
   58 void    doreti_popl_es(void) __asm(__STRING(doreti_popl_es));
   59 void    doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault));
   60 void    doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs));
   61 void    doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault));
   62 void    fill_based_sd(struct segment_descriptor *sdp, uint32_t base);
   63 void    i686_pagezero(void *addr);
   64 void    sse2_pagezero(void *addr);
   65 void    init_AMD_Elan_sc520(void);
   66 vm_paddr_t kvtop(void *addr);
   67 void    panicifcpuunsupported(void);
   68 void    ppro_reenable_apic(void);
   69 void    set_fsbase(struct thread *td, uint32_t base);
   70 void    set_gsbase(struct thread *td, uint32_t base);
   71 void    setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec);
   72 union savefpu *get_pcb_user_save_td(struct thread *td);
   73 union savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
   74 
   75 #endif /* !_MACHINE_MD_VAR_H_ */

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