md_var.h revision 209975
1296047Soshogbo/*-
2296047Soshogbo * Copyright (c) 1998 Doug Rabson
3296047Soshogbo * All rights reserved.
4296047Soshogbo *
5296047Soshogbo * Redistribution and use in source and binary forms, with or without
6296047Soshogbo * modification, are permitted provided that the following conditions
7296047Soshogbo * are met:
8296047Soshogbo * 1. Redistributions of source code must retain the above copyright
9296047Soshogbo *    notice, this list of conditions and the following disclaimer.
10296047Soshogbo * 2. Redistributions in binary form must reproduce the above copyright
11296047Soshogbo *    notice, this list of conditions and the following disclaimer in the
12296047Soshogbo *    documentation and/or other materials provided with the distribution.
13296047Soshogbo *
14296047Soshogbo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15296047Soshogbo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16296047Soshogbo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17296047Soshogbo * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18296047Soshogbo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19296047Soshogbo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20296047Soshogbo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21296047Soshogbo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22296047Soshogbo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23296047Soshogbo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24296047Soshogbo * SUCH DAMAGE.
25296047Soshogbo *
26296047Soshogbo * $FreeBSD: head/sys/powerpc/include/md_var.h 209975 2010-07-13 05:32:19Z nwhitehorn $
27296047Soshogbo */
28296047Soshogbo
29296047Soshogbo#ifndef _MACHINE_MD_VAR_H_
30296047Soshogbo#define	_MACHINE_MD_VAR_H_
31296047Soshogbo
32296047Soshogbo/*
33296047Soshogbo * Miscellaneous machine-dependent declarations.
34296047Soshogbo */
35296047Soshogbo
36296047Soshogboextern	char	sigcode32[];
37296047Soshogboextern	int	szsigcode32;
38296047Soshogbo
39296047Soshogbo#ifdef __powerpc64__
40296047Soshogboextern	char	sigcode64[];
41296047Soshogboextern	int	szsigcode64;
42296047Soshogbo#endif
43296047Soshogbo
44296047Soshogboextern	long	Maxmem;
45296047Soshogboextern	int	busdma_swi_pending;
46296047Soshogbo
47296047Soshogboextern	vm_offset_t	kstack0;
48296047Soshogboextern	vm_offset_t	kstack0_phys;
49296047Soshogbo
50296047Soshogboextern	u_long	ns_per_tick;
51296047Soshogbo
52296047Soshogboextern	int powerpc_pow_enabled;
53296047Soshogboextern	int cacheline_size;
54296047Soshogboextern  int hw_direct_map;
55296047Soshogbo
56296047Soshogbovoid	__syncicache(void *, int);
57296047Soshogbo
58296047Soshogbovoid	busdma_swi(void);
59296047Soshogboint	is_physical_memory(vm_offset_t addr);
60296047Soshogboint	mem_valid(vm_offset_t addr, int len);
61296047Soshogbo
62296047Soshogbovoid	decr_init(void);
63296047Soshogbovoid	decr_ap_init(void);
64296047Soshogbovoid	decr_tc_init(void);
65296047Soshogbo
66296047Soshogbovoid	cpu_setup(u_int);
67296047Soshogbo
68296047Soshogbostruct	trapframe;
69296047Soshogbovoid	powerpc_interrupt(struct trapframe *);
70296047Soshogbo
71296047Soshogbo#endif /* !_MACHINE_MD_VAR_H_ */
72296047Soshogbo