xref: /freebsd/sys/arm64/include/reg.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*-
2  * Copyright (c) 2014 Andrew Turner
3  * Copyright (c) 2014-2015 The FreeBSD Foundation
4  * All rights reserved.
5  *
6  * This software was developed by Andrew Turner under
7  * sponsorship from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef	_MACHINE_REG_H_
34 #define	_MACHINE_REG_H_
35 
36 struct reg {
37 	uint64_t x[30];
38 	uint64_t lr;
39 	uint64_t sp;
40 	uint64_t elr;
41 	uint32_t spsr;
42 };
43 
44 struct fpreg {
45 	__uint128_t	fp_q[32];
46 	uint32_t	fp_sr;
47 	uint32_t	fp_cr;
48 };
49 
50 struct dbreg {
51 	int dummy;
52 };
53 
54 #ifdef _KERNEL
55 /*
56  * XXX these interfaces are MI, so they should be declared in a MI place.
57  */
58 int	fill_regs(struct thread *, struct reg *);
59 int	set_regs(struct thread *, struct reg *);
60 int	fill_fpregs(struct thread *, struct fpreg *);
61 int	set_fpregs(struct thread *, struct fpreg *);
62 int	fill_dbregs(struct thread *, struct dbreg *);
63 int	set_dbregs(struct thread *, struct dbreg *);
64 #endif
65 
66 #endif /* !_MACHINE_REG_H_ */
67