md_var.h revision 331722 
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: stable/11/sys/powerpc/include/md_var.h 331722 2018-03-29 02:50:57Z eadler $
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	sigcode32[];
37extern	int	szsigcode32;
38
39#ifdef __powerpc64__
40extern	char	sigcode64[], sigcode64_elfv2[];
41extern	int	szsigcode64, szsigcode64_elfv2;
42#endif
43
44extern	long	Maxmem;
45extern	int	busdma_swi_pending;
46
47extern	vm_offset_t	kstack0;
48extern	vm_offset_t	kstack0_phys;
49
50extern	int powerpc_pow_enabled;
51extern	int cacheline_size;
52extern  int hw_direct_map;
53
54void	__syncicache(void *, int);
55
56void	busdma_swi(void);
57int	is_physical_memory(vm_offset_t addr);
58int	mem_valid(vm_offset_t addr, int len);
59
60void	decr_init(void);
61void	decr_ap_init(void);
62void	decr_tc_init(void);
63
64void	cpu_setup(u_int);
65
66struct	trapframe;
67void	powerpc_interrupt(struct trapframe *);
68
69#endif /* !_MACHINE_MD_VAR_H_ */
70