md_var.h revision 285830 
1155793Simp/*-
2155793Simp * Copyright (c) 1995 Bruce D. Evans.
3155793Simp * All rights reserved.
4185305Simp *
5155793Simp * Redistribution and use in source and binary forms, with or without
6191408Sstas * modification, are permitted provided that the following conditions
7155793Simp * are met:
8259379Sian * 1. Redistributions of source code must retain the above copyright
9159902Scognet *    notice, this list of conditions and the following disclaimer.
10156830Simp * 2. Redistributions in binary form must reproduce the above copyright
11237122Simp *    notice, this list of conditions and the following disclaimer in the
12237122Simp *    documentation and/or other materials provided with the distribution.
13237122Simp * 3. Neither the name of the author nor the names of contributors
14165783Sticso *    may be used to endorse or promote products derived from this software
15266087Sian *    without specific prior written permission.
16160369Simp *
17160369Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18213496Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19237122Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20160369Simp * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21155793Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22237122Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23156830Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24237122Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25156830Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26238404Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27156830Simp * SUCH DAMAGE.
28185305Simp *
29213496Scognet *	from: src/sys/i386/include/md_var.h,v 1.35 2000/02/20 20:51:23 bsd
30213496Scognet *	JNPR: md_var.h,v 1.4 2006/10/16 12:30:34 katta
31238376Simp * $FreeBSD: releng/10.2/sys/mips/include/md_var.h 232855 2012-03-12 08:13:04Z jmallett $
32237122Simp */
33238415Simp
34237122Simp#ifndef _MACHINE_MD_VAR_H_
35237122Simp#define	_MACHINE_MD_VAR_H_
36238788Sandrew
37238922Simp#include <machine/reg.h>
38213496Scognet
39185305Simp/*
40185305Simp * Miscellaneous machine-dependent declarations.
41185307Simp */
42239324Simpextern	long	Maxmem;
43237122Simpextern	char	sigcode[];
44185307Simpextern	int	szsigcode;
45237122Simp#if defined(__mips_n32) || defined(__mips_n64)
46185305Simpextern	char	sigcode32[];
47237122Simpextern	int	szsigcode32;
48238443Simp#endif
49237122Simpextern	uint32_t *vm_page_dump;
50237122Simpextern	int vm_page_dump_size;
51238789Sandrew
52185305Simpextern vm_offset_t kstack0;
53238820Simpextern vm_offset_t kernel_kseg0_end;
54238820Simp
55238820Simpvoid	MipsSaveCurFPState(struct thread *);
56238849Simpvoid	fork_trampoline(void);
57238849Simpuintptr_t MipsEmulateBranch(struct trapframe *, uintptr_t, int, uintptr_t);
58238849Simpvoid MipsSwitchFPState(struct thread *, struct trapframe *);
59int	is_cacheable_mem(vm_paddr_t addr);
60void	mips_wait(void);
61
62#define	MIPS_DEBUG   0
63
64#if MIPS_DEBUG
65#define	MIPS_DEBUG_PRINT(fmt, args...)	printf("%s: " fmt "\n" , __FUNCTION__ , ## args)
66#else
67#define	MIPS_DEBUG_PRINT(fmt, args...)
68#endif
69
70void	mips_vector_init(void);
71void	mips_cpu_init(void);
72void	mips_pcpu0_init(void);
73void	mips_proc0_init(void);
74void	mips_postboot_fixup(void);
75
76extern int busdma_swi_pending;
77void	busdma_swi(void);
78
79struct	dumperinfo;
80void	dump_add_page(vm_paddr_t);
81void	dump_drop_page(vm_paddr_t);
82void	minidumpsys(struct dumperinfo *);
83#endif /* !_MACHINE_MD_VAR_H_ */
84