sys/platform/pc32/include/md_var.h

   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: src/sys/i386/include/md_var.h,v 1.35.2.4 2003/01/22 20:14:53 jhb Exp $
  30  * $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.25 2007/01/09 23:34:03 dillon Exp $
  31  */
  32
  33 #ifndef _MACHINE_MD_VAR_H_
  34 #define _MACHINE_MD_VAR_H_
  35
  36 #ifndef _SYS_TYPES_H_
  37 #include <sys/types.h>
  38 #endif
  39
  40 /*
  41  * Miscellaneous machine-dependent declarations.
  42  */
  43
  44 extern  u_int   atdevbase;      /* offset in virtual memory of ISA io mem */
  45 extern  void    **bcopy_vector;
  46 extern  void    **memcpy_vector;
  47 extern void     **ovbcopy_vector;
  48 extern  int     busdma_swi_pending;
  49 extern  int     (*copyin_vector) (const void *udaddr, void *kaddr,
  50                                       size_t len);
  51 extern  int     (*copyout_vector) (const void *kaddr, void *udaddr,
  52                                        size_t len);
  53 extern  void    (*cpu_idle_hook)(void);
  54 extern  u_int   cpu_exthigh;
  55 extern  u_int   cpu_fxsr;
  56 extern  u_int   cpu_high;
  57 extern  u_int   cpu_id;
  58 extern  u_int   cpu_procinfo;
  59 extern  char    cpu_vendor[];
  60 extern  u_int   cyrix_did;
  61 extern  char    kstack[];
  62 extern  char    sigcode[];
  63 extern  int     szsigcode;
  64
  65 typedef void alias_for_inthand_t (u_int cs, u_int ef, u_int esp, u_int ss);
  66 struct  lwp;
  67 struct  reg;
  68 struct  fpreg;
  69 struct  dbreg;
  70 struct  mdglobaldata;
  71 struct  thread;
  72
  73 void    busdma_swi (void);
  74 void    cpu_gdinit (struct mdglobaldata *gd, int cpu);
  75 void    cpu_idle (void);
  76 void    cpu_setregs (void);
  77 void    cpu_switch_load_gs (void) __asm(__STRING(cpu_switch_load_gs));
  78 void    cpu_heavy_restore (void);       /* cannot be called from C */
  79 void    cpu_lwkt_restore (void);        /* cannot be called from C */
  80 void    cpu_idle_restore (void);        /* cannot be called from C */
  81 void    cpu_kthread_restore (void);/* cannot be called from C */
  82 void    cpu_exit_idleptd (void);        /* disassociate proc MMU */
  83 void    cpu_exit_switch (struct thread *next);
  84 void    doreti_iret (void) __asm(__STRING(doreti_iret));
  85 void    doreti_iret_fault (void) __asm(__STRING(doreti_iret_fault));
  86 void    doreti_popl_ds (void) __asm(__STRING(doreti_popl_ds));
  87 void    doreti_popl_ds_fault (void) __asm(__STRING(doreti_popl_ds_fault));
  88 void    doreti_popl_es (void) __asm(__STRING(doreti_popl_es));
  89 void    doreti_popl_es_fault (void) __asm(__STRING(doreti_popl_es_fault));
  90 void    doreti_popl_fs (void) __asm(__STRING(doreti_popl_fs));
  91 void    doreti_popl_fs_fault (void) __asm(__STRING(doreti_popl_fs_fault));
  92 void    doreti_popl_gs (void) __asm(__STRING(doreti_popl_gs));
  93 void    doreti_popl_gs_fault (void) __asm(__STRING(doreti_popl_gs_fault));
  94 void    enable_sse (void);
  95 void    fillw (int /*u_short*/ pat, void *base, size_t cnt);
  96 #if 0
  97 void    i486_bzero (volatile void *buf, size_t len);
  98 void    i586_bzero (volatile void *buf, size_t len);
  99 void    i586_bcopy (const void *from, void *to, size_t len);
 100 int     i586_copyin (const void *udaddr, void *kaddr, size_t len);
 101 int     i586_copyout (const void *kaddr, void *udaddr, size_t len);
 102 #endif
 103 void    asm_generic_memcpy(void);
 104 void    asm_mmx_memcpy(void);
 105 void    asm_xmm_memcpy(void);
 106 void    asm_generic_bcopy(void);
 107 void    asm_mmx_bcopy(void);
 108 void    asm_xmm_bcopy(void);
 109 void    i686_pagezero (void *addr);
 110 void    init_AMD_Elan_sc520(void);
 111 void    setidt (int idx, alias_for_inthand_t *func, int typ, int dpl,
 112                     int selec);
 113 void    userconfig (void);
 114 int     user_dbreg_trap (void);
 115 int     npxdna(void);
 116
 117 #endif /* !_MACHINE_MD_VAR_H_ */