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/amd64/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/9.0/sys/amd64/include/md_var.h 225576 2011-09-15 09:54:07Z kib $
   30  */
   31 
   32 #ifndef _MACHINE_MD_VAR_H_
   33 #define _MACHINE_MD_VAR_H_
   34 
   35 /*
   36  * Miscellaneous machine-dependent declarations.
   37  */
   38 
   39 extern  long    Maxmem;
   40 extern  u_int   basemem;
   41 extern  int     busdma_swi_pending;
   42 extern  u_int   cpu_exthigh;
   43 extern  u_int   cpu_feature;
   44 extern  u_int   cpu_feature2;
   45 extern  u_int   amd_feature;
   46 extern  u_int   amd_feature2;
   47 extern  u_int   amd_pminfo;
   48 extern  u_int   via_feature_rng;
   49 extern  u_int   via_feature_xcrypt;
   50 extern  u_int   cpu_clflush_line_size;
   51 extern  u_int   cpu_fxsr;
   52 extern  u_int   cpu_high;
   53 extern  u_int   cpu_id;
   54 extern  u_int   cpu_mxcsr_mask;
   55 extern  u_int   cpu_procinfo;
   56 extern  u_int   cpu_procinfo2;
   57 extern  char    cpu_vendor[];
   58 extern  u_int   cpu_vendor_id;
   59 extern  char    kstack[];
   60 extern  char    sigcode[];
   61 extern  int     szsigcode;
   62 extern  uint64_t *vm_page_dump;
   63 extern  int     vm_page_dump_size;
   64 extern  int     workaround_erratum383;
   65 extern  int     _udatasel;
   66 extern  int     _ucodesel;
   67 extern  int     _ucode32sel;
   68 extern  int     _ufssel;
   69 extern  int     _ugssel;
   70 
   71 typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
   72 struct  thread;
   73 struct  reg;
   74 struct  fpreg;
   75 struct  dbreg;
   76 struct  dumperinfo;
   77 
   78 void    amd64_syscall(struct thread *td, int traced);
   79 void    busdma_swi(void);
   80 void    cpu_setregs(void);
   81 void    doreti_iret(void) __asm(__STRING(doreti_iret));
   82 void    doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
   83 void    ld_ds(void) __asm(__STRING(ld_ds));
   84 void    ld_es(void) __asm(__STRING(ld_es));
   85 void    ld_fs(void) __asm(__STRING(ld_fs));
   86 void    ld_gs(void) __asm(__STRING(ld_gs));
   87 void    ld_fsbase(void) __asm(__STRING(ld_fsbase));
   88 void    ld_gsbase(void) __asm(__STRING(ld_gsbase));
   89 void    ds_load_fault(void) __asm(__STRING(ds_load_fault));
   90 void    es_load_fault(void) __asm(__STRING(es_load_fault));
   91 void    fs_load_fault(void) __asm(__STRING(fs_load_fault));
   92 void    gs_load_fault(void) __asm(__STRING(gs_load_fault));
   93 void    fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault));
   94 void    gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault));
   95 void    dump_add_page(vm_paddr_t);
   96 void    dump_drop_page(vm_paddr_t);
   97 void    initializecpu(void);
   98 void    initializecpucache(void);
   99 void    fillw(int /*u_short*/ pat, void *base, size_t cnt);
  100 void    fpstate_drop(struct thread *td);
  101 int     is_physical_memory(vm_paddr_t addr);
  102 int     isa_nmi(int cd);
  103 void    pagecopy(void *from, void *to);
  104 void    pagezero(void *addr);
  105 void    setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
  106 int     user_dbreg_trap(void);
  107 void    minidumpsys(struct dumperinfo *);
  108 
  109 #endif /* !_MACHINE_MD_VAR_H_ */

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