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  * 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  * $FreeBSD$
   32  */
   33 
   34 #ifndef _MACHINE_MD_VAR_H_
   35 #define _MACHINE_MD_VAR_H_
   36 
   37 #include <x86/x86_var.h>
   38 
   39 extern  u_int   cyrix_did;
   40 #if defined(I586_CPU) && !defined(NO_F00F_HACK)
   41 extern  int     has_f00f_bug;
   42 #endif
   43 #ifdef COMPAT_FREEBSD4
   44 extern  int     szfreebsd4_sigcode;
   45 #endif
   46 #ifdef COMPAT_43
   47 extern  int     szosigcode;
   48 extern  int     sz_lcall_tramp;
   49 #endif
   50 extern  vm_offset_t proc0kstack;
   51 extern  size_t setidt_disp;
   52 
   53 struct  segment_descriptor;
   54 union savefpu;
   55 
   56 int     cp_slow0(vm_offset_t uva, size_t len, bool write,
   57             void (*f)(vm_offset_t, void *), void *arg);
   58 void    cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));
   59 void    copyout_init_tramp(void);
   60 void    doreti_iret(void) __asm(__STRING(doreti_iret));
   61 void    doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
   62 void    doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds));
   63 void    doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault));
   64 void    doreti_popl_es(void) __asm(__STRING(doreti_popl_es));
   65 void    doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault));
   66 void    doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs));
   67 void    doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault));
   68 void    fill_based_sd(struct segment_descriptor *sdp, uint32_t base);
   69 void    i686_pagezero(void *addr);
   70 void    sse2_pagezero(void *addr);
   71 int     cpu_minidumpsys_nopae(struct dumperinfo *, const struct minidumpstate *);
   72 int     cpu_minidumpsys_pae(struct dumperinfo *, const struct minidumpstate *);
   73 void    init_AMD_Elan_sc520(void);
   74 vm_paddr_t kvtop(void *addr);
   75 void    panicifcpuunsupported(void);
   76 void    ppro_reenable_apic(void);
   77 void    set_fsbase(struct thread *td, uint32_t base);
   78 void    set_gsbase(struct thread *td, uint32_t base);
   79 void    setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec);
   80 void    setidt_nodisp(int idx, uintptr_t func, int typ, int dpl, int selec);
   81 union savefpu *get_pcb_user_save_td(struct thread *td);
   82 union savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
   83 
   84 #endif /* !_MACHINE_MD_VAR_H_ */

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