md_var.h revision 202175 
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 *	from: src/sys/i386/include/md_var.h,v 1.35 2000/02/20 20:51:23 bsd
30 *	JNPR: md_var.h,v 1.4 2006/10/16 12:30:34 katta
31 * $FreeBSD: head/sys/mips/include/md_var.h 202175 2010-01-12 21:36:08Z imp $
32 */
33
34#ifndef _MACHINE_MD_VAR_H_
35#define	_MACHINE_MD_VAR_H_
36
37#include <machine/reg.h>
38
39/*
40 * Miscellaneous machine-dependent declarations.
41 */
42extern	long	Maxmem;
43extern	char	sigcode[];
44extern	int	szsigcode, szosigcode;
45
46extern vm_offset_t kstack0;
47
48void	MipsSaveCurFPState(struct thread *);
49void	fork_trampoline(void);
50void	cpu_swapin(struct proc *);
51uintptr_t MipsEmulateBranch(struct trapframe *, uintptr_t, int, uintptr_t);
52void MipsSwitchFPState(struct thread *, struct trapframe *);
53u_long	kvtop(void *addr);
54int	is_physical_memory(vm_offset_t addr);
55
56#define	is_cacheable_mem(pa)	is_physical_memory((pa))
57
58#define	MIPS_DEBUG   0
59
60#if MIPS_DEBUG
61#define	MIPS_DEBUG_PRINT(fmt, args...)	printf("%s: " fmt "\n" , __FUNCTION__ , ## args)
62#else
63#define	MIPS_DEBUG_PRINT(fmt, args...)
64#endif
65
66void	mips_vector_init(void);
67void	cpu_identify(void);
68void	mips_cpu_init(void);
69void	mips_pcpu0_init(void);
70void	mips_proc0_init(void);
71
72/* Platform call-downs. */
73void	platform_identify(void);
74
75extern int busdma_swi_pending;
76void busdma_swi(void);
77
78#endif /* !_MACHINE_MD_VAR_H_ */
79