xref: /freebsd/sys/amd64/include/md_var.h (revision 267173e72dc9f967f9d2a8f3bd1e88aae0a417bb)
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  *	$Id: md_var.h,v 1.6 1996/01/27 02:33:25 bde Exp $
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	int	Maxmem;
40 extern	u_long	cpu_feature;
41 extern	u_long	cpu_high;
42 extern	u_long	cpu_id;
43 extern	char	cpu_vendor[];
44 extern	char	etext[];
45 extern	char	kstack[];
46 extern	void	(*netisrs[32]) __P((void));
47 extern	int	nfs_diskless_valid;
48 extern	int	sigcode;
49 extern	int	szsigcode;
50 
51 struct	proc;
52 struct	reg;
53 
54 void	cpu_reset __P((void));
55 void	doreti_iret __P((void)) __asm(__STRING(doreti_iret));
56 void	doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
57 void	doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
58 void	doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
59 void	doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
60 void	doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
61 int	fill_regs __P((struct proc *p, struct reg *regs));
62 void	userconfig __P((void));
63 void	vm_bounce_init __P((void));
64 int	vm_page_zero_idle __P((void));
65 
66 #endif /* !_MACHINE_MD_VAR_H_ */
67