xref: /freebsd/sys/arm/include/md_var.h (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
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: FreeBSD: src/sys/i386/include/md_var.h,v 1.40 2001/07/12
30  * $FreeBSD$
31  */
32 
33 #ifndef	_MACHINE_MD_VAR_H_
34 #define	_MACHINE_MD_VAR_H_
35 
36 extern long Maxmem;
37 extern char sigcode[];
38 extern int szsigcode;
39 extern uint32_t *vm_page_dump;
40 extern int vm_page_dump_size;
41 
42 extern int (*_arm_memcpy)(void *, void *, int, int);
43 extern int (*_arm_bzero)(void *, int, int);
44 
45 extern int _min_memcpy_size;
46 extern int _min_bzero_size;
47 
48 struct vdso_timehands;
49 struct timecounter;
50 extern uint32_t (*arm_cpu_fill_vdso_timehands)(struct vdso_timehands *,
51     struct timecounter *);
52 
53 #define DST_IS_USER	0x1
54 #define SRC_IS_USER	0x2
55 #define IS_PHYSICAL	0x4
56 
57 enum cpu_class {
58 	CPU_CLASS_NONE,
59 	CPU_CLASS_ARM9TDMI,
60 	CPU_CLASS_ARM9ES,
61 	CPU_CLASS_ARM9EJS,
62 	CPU_CLASS_ARM10E,
63 	CPU_CLASS_ARM10EJ,
64 	CPU_CLASS_CORTEXA,
65 	CPU_CLASS_KRAIT,
66 	CPU_CLASS_XSCALE,
67 	CPU_CLASS_ARM11J,
68 	CPU_CLASS_MARVELL
69 };
70 extern enum cpu_class cpu_class;
71 
72 struct dumperinfo;
73 extern int busdma_swi_pending;
74 void busdma_swi(void);
75 void dump_add_page(vm_paddr_t);
76 void dump_drop_page(vm_paddr_t);
77 int minidumpsys(struct dumperinfo *);
78 
79 extern uint32_t initial_fpscr;
80 
81 #endif /* !_MACHINE_MD_VAR_H_ */
82