md_var.h revision 171805 
1/*-
2 * Copyright (c) 1998 Doug Rabson
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/powerpc/include/md_var.h 171805 2007-08-11 19:25:32Z marcel $
27 */
28
29#ifndef _MACHINE_MD_VAR_H_
30#define	_MACHINE_MD_VAR_H_
31
32/*
33 * Miscellaneous machine-dependent declarations.
34 */
35
36extern	char	sigcode[];
37extern	char	esigcode[];
38extern	int	szsigcode;
39extern	long	Maxmem;
40extern	int	busdma_swi_pending;
41
42extern	vm_offset_t	kstack0;
43extern	vm_offset_t	kstack0_phys;
44
45extern	u_long	ns_per_tick;
46
47#if defined(_KERNEL) || defined(_STANDALONE)
48#define	CACHELINESIZE	32
49#endif
50
51void	__syncicache(void *, int);
52
53void	busdma_swi(void);
54int	is_physical_memory(vm_offset_t addr);
55int	mem_valid(vm_offset_t addr, int len);
56
57void	decr_init(void);
58
59void	cpu_setup(u_int);
60
61struct trapframe;
62void	powerpc_interrupt(struct trapframe *);
63
64#endif /* !_MACHINE_MD_VAR_H_ */
65