xref: /freebsd/sys/powerpc/include/md_var.h (revision 7029da5c36f2d3cf6bb6c81bf551229f416399e8)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1998 Doug Rabson
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _MACHINE_MD_VAR_H_
32 #define	_MACHINE_MD_VAR_H_
33 
34 /*
35  * Miscellaneous machine-dependent declarations.
36  */
37 
38 extern	char	sigcode32[];
39 extern	int	szsigcode32;
40 
41 #ifdef __powerpc64__
42 extern	char	sigcode64[], sigcode64_elfv2[];
43 extern	int	szsigcode64, szsigcode64_elfv2;
44 
45 extern	uint64_t	*vm_page_dump;
46 extern	int	vm_page_dump_size;
47 
48 struct	dumperinfo;
49 int	minidumpsys(struct dumperinfo *);
50 int	is_dumpable(vm_paddr_t);
51 void	dump_add_page(vm_paddr_t);
52 void	dump_drop_page(vm_paddr_t);
53 #endif
54 
55 extern	long	Maxmem;
56 extern	int	busdma_swi_pending;
57 
58 extern	vm_offset_t	kstack0;
59 extern	vm_offset_t	kstack0_phys;
60 
61 extern	int powerpc_pow_enabled;
62 extern	int cacheline_size;
63 extern  int hw_direct_map;
64 
65 void	__syncicache(void *, int);
66 
67 void	busdma_swi(void);
68 int	is_physical_memory(vm_offset_t addr);
69 int	mem_valid(vm_offset_t addr, int len);
70 
71 void	decr_init(void);
72 void	decr_ap_init(void);
73 void	decr_tc_init(void);
74 
75 void	cpu_feature_setup(void);
76 void	cpu_setup(u_int);
77 
78 struct	trapframe;
79 void	powerpc_interrupt(struct trapframe *);
80 
81 #endif /* !_MACHINE_MD_VAR_H_ */
82