xref: /freebsd/sys/powerpc/include/md_var.h (revision 06c3fb27)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
29 #ifndef _MACHINE_MD_VAR_H_
30 #define	_MACHINE_MD_VAR_H_
31 
32 /*
33  * Miscellaneous machine-dependent declarations.
34  */
35 
36 extern	char	sigcode32[];
37 extern	int	szsigcode32;
38 
39 #ifdef __powerpc64__
40 extern	char	sigcode64[], sigcode64_elfv2[];
41 extern	int	szsigcode64, szsigcode64_elfv2;
42 
43 struct	dumperinfo;
44 struct	minidumpstate;
45 int	cpu_minidumpsys(struct dumperinfo *, const struct minidumpstate *);
46 #endif
47 
48 extern	long	Maxmem;
49 
50 extern	vm_offset_t	kstack0;
51 extern	vm_offset_t	kstack0_phys;
52 
53 extern	int powerpc_pow_enabled;
54 extern	int cacheline_size;
55 extern  int hw_direct_map;
56 
57 void	__syncicache(void *, int);
58 
59 int	mem_valid(vm_offset_t addr, int len);
60 
61 void	decr_init(void);
62 void	decr_ap_init(void);
63 void	decr_tc_init(void);
64 
65 void	cpu_feature_setup(void);
66 void	cpu_setup(u_int);
67 
68 struct	trapframe;
69 void	powerpc_interrupt(struct trapframe *);
70 
71 #endif /* !_MACHINE_MD_VAR_H_ */
72