freebsd-dev/sys/i386/include/md_var.h
1997-02-22 09:48:43 +00:00

76 lines
3.0 KiB
C

/*-
* 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.
*
* $Id$
*/
#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 u_long cpu_feature;
extern u_long cpu_high;
extern u_long cpu_id;
extern char cpu_vendor[];
extern char etext[];
extern char kstack[];
extern void (*netisrs[32]) __P((void));
extern int nfs_diskless_valid;
extern char sigcode[];
extern int szsigcode;
typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
struct proc;
struct reg;
void bcopyb __P((const void *from, void *to, size_t len));
void cpu_reset __P((void));
void cpu_halt __P((void));
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));
int fill_regs __P((struct proc *p, struct reg *regs));
void fillw __P((int /*u_short*/ pat, void *base, size_t cnt));
int fusword __P((void *base));
u_long kvtop __P((void *addr));
void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
int selec));
void userconfig __P((void));
void vm_bounce_init __P((void));
int vm_page_zero_idle __P((void));
#endif /* !_MACHINE_MD_VAR_H_ */