xref: /freebsd/sys/arm/include/md_var.h (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1995 Bruce D. Evans.
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  * 3. Neither the name of the author nor the names of contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	from: FreeBSD: src/sys/i386/include/md_var.h,v 1.40 2001/07/12
32  * $FreeBSD$
33  */
34 
35 #ifndef	_MACHINE_MD_VAR_H_
36 #define	_MACHINE_MD_VAR_H_
37 
38 extern long Maxmem;
39 extern char sigcode[];
40 extern int szsigcode;
41 extern uint32_t *vm_page_dump;
42 extern int vm_page_dump_size;
43 extern u_long elf_hwcap;
44 extern u_long elf_hwcap2;
45 
46 extern int (*_arm_memcpy)(void *, void *, int, int);
47 extern int (*_arm_bzero)(void *, int, int);
48 
49 extern int _min_memcpy_size;
50 extern int _min_bzero_size;
51 
52 #define DST_IS_USER	0x1
53 #define SRC_IS_USER	0x2
54 #define IS_PHYSICAL	0x4
55 
56 enum cpu_class {
57 	CPU_CLASS_NONE,
58 	CPU_CLASS_ARM9TDMI,
59 	CPU_CLASS_ARM9ES,
60 	CPU_CLASS_ARM9EJS,
61 	CPU_CLASS_ARM10E,
62 	CPU_CLASS_ARM10EJ,
63 	CPU_CLASS_CORTEXA,
64 	CPU_CLASS_KRAIT,
65 	CPU_CLASS_XSCALE,
66 	CPU_CLASS_ARM11J,
67 	CPU_CLASS_MARVELL
68 };
69 extern enum cpu_class cpu_class;
70 
71 struct dumperinfo;
72 extern int busdma_swi_pending;
73 void busdma_swi(void);
74 void dump_add_page(vm_paddr_t);
75 void dump_drop_page(vm_paddr_t);
76 int minidumpsys(struct dumperinfo *);
77 
78 extern uint32_t initial_fpscr;
79 
80 #endif /* !_MACHINE_MD_VAR_H_ */
81