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/*-
* Copyright (c) 1995 Bruce D. Evans.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_MD_VAR_H_
#define _MACHINE_MD_VAR_H_
/*
* Miscellaneous machine-dependent declarations.
*/
extern int Maxmem;
extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
extern void (*bcopy_vector) __P((const void *from, void *to, size_t len));
extern int busdma_swi_pending;
extern int (*copyin_vector) __P((const void *udaddr, void *kaddr,
size_t len));
extern int (*copyout_vector) __P((const void *kaddr, void *udaddr,
size_t len));
extern u_int cpu_feature;
extern u_int cpu_high;
extern u_int cpu_id;
extern u_int cpu_fxsr;
extern char cpu_vendor[];
extern u_int cyrix_did;
extern char kstack[];
#ifdef PC98
extern int need_pre_dma_flush;
extern int need_post_dma_flush;
#endif
extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len));
extern char sigcode[];
extern int szsigcode, szosigcode;
typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
struct thread;
struct reg;
struct fpreg;
struct dbreg;
void bcopyb __P((const void *from, void *to, size_t len));
void busdma_swi __P((void));
void cpu_halt __P((void));
void cpu_reset __P((void));
void cpu_setregs __P((void));
void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
int fill_fpregs __P((struct thread *, struct fpreg *));
int fill_regs __P((struct thread *p, struct reg *regs));
int fill_dbregs __P((struct thread *p, struct dbreg *dbregs));
void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
void i486_bzero __P((void *buf, size_t len));
void i586_bcopy __P((const void *from, void *to, size_t len));
void i586_bzero __P((void *buf, size_t len));
int i586_copyin __P((const void *udaddr, void *kaddr, size_t len));
int i586_copyout __P((const void *kaddr, void *udaddr, size_t len));
void i686_pagezero __P((void *addr));
int is_physical_memory __P((vm_offset_t addr));
u_long kvtop __P((void *addr));
void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
int selec));
void swi_vm __P((void *));
void userconfig __P((void));
int user_dbreg_trap __P((void));
#endif /* !_MACHINE_MD_VAR_H_ */
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