xref: /freebsd/sys/arm64/include/reg.h (revision 7cc42f6d25ef2e19059d088fa7d4853fe9afefb5)
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 reg32 {
45 	unsigned int r[13];
46 	unsigned int r_sp;
47 	unsigned int r_lr;
48 	unsigned int r_pc;
49 	unsigned int r_cpsr;
50 };
51 
52 struct fpreg {
53 	__uint128_t	fp_q[32];
54 	uint32_t	fp_sr;
55 	uint32_t	fp_cr;
56 };
57 
58 struct fpreg32 {
59 	int dummy;
60 };
61 
62 struct dbreg {
63 	uint32_t	db_info;
64 	uint32_t	db_pad;
65 
66 	struct {
67 		uint64_t dbr_addr;
68 		uint32_t dbr_ctrl;
69 		uint32_t dbr_pad;
70 	} db_regs[16];
71 };
72 
73 struct dbreg32 {
74 	int dummy;
75 };
76 
77 #define	__HAVE_REG32
78 
79 #ifdef _KERNEL
80 /*
81  * XXX these interfaces are MI, so they should be declared in a MI place.
82  */
83 int	fill_regs(struct thread *, struct reg *);
84 int	set_regs(struct thread *, struct reg *);
85 int	fill_fpregs(struct thread *, struct fpreg *);
86 int	set_fpregs(struct thread *, struct fpreg *);
87 int	fill_dbregs(struct thread *, struct dbreg *);
88 int	set_dbregs(struct thread *, struct dbreg *);
89 #ifdef COMPAT_FREEBSD32
90 int	fill_regs32(struct thread *, struct reg32 *);
91 int	set_regs32(struct thread *, struct reg32 *);
92 int	fill_fpregs32(struct thread *, struct fpreg32 *);
93 int	set_fpregs32(struct thread *, struct fpreg32 *);
94 int	fill_dbregs32(struct thread *, struct dbreg32 *);
95 int	set_dbregs32(struct thread *, struct dbreg32 *);
96 #endif
97 #endif
98 
99 #endif /* !_MACHINE_REG_H_ */
100