xref: /freebsd/sys/arm64/include/machdep.h (revision f2f21faf62356813ae27ac58895551cec8ab79fd)
1 /*-
2  * Copyright (c) 2013 Andrew Turner <andrew@freebsd.org>
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _MACHINE_MACHDEP_H_
30 #define	_MACHINE_MACHDEP_H_
31 
32 struct arm64_bootparams {
33 	vm_offset_t	modulep;
34 	vm_offset_t	kern_l1pt;	/* L1 page table for the kernel */
35 	uint64_t	kern_delta;
36 	vm_offset_t	kern_stack;
37 	vm_offset_t	kern_l0pt;	/* L1 page table for the kernel */
38 };
39 
40 extern vm_paddr_t physmap[];
41 extern u_int physmap_idx;
42 
43 void initarm(struct arm64_bootparams *);
44 
45 #endif /* _MACHINE_MACHDEP_H_ */
46