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
36struct reg {
37	uint64_t x[30];
38	uint64_t lr;
39	uint64_t sp;
40	uint64_t elr;
41	uint32_t spsr;
42};
43
44struct 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
52struct fpreg {
53	__uint128_t	fp_q[32];
54	uint32_t	fp_sr;
55	uint32_t	fp_cr;
56};
57
58struct fpreg32 {
59	int dummy;
60};
61
62struct dbreg {
63	uint8_t		db_debug_ver;
64	uint8_t		db_nbkpts;
65	uint8_t		db_nwtpts;
66	uint8_t		db_pad[5];
67
68	struct {
69		uint64_t dbr_addr;
70		uint32_t dbr_ctrl;
71		uint32_t dbr_pad;
72	} db_breakregs[16];
73	struct {
74		uint64_t dbw_addr;
75		uint32_t dbw_ctrl;
76		uint32_t dbw_pad;
77	} db_watchregs[16];
78};
79
80struct dbreg32 {
81	int dummy;
82};
83
84#define	__HAVE_REG32
85
86#ifdef _KERNEL
87/*
88 * XXX these interfaces are MI, so they should be declared in a MI place.
89 */
90int	fill_regs(struct thread *, struct reg *);
91int	set_regs(struct thread *, struct reg *);
92int	fill_fpregs(struct thread *, struct fpreg *);
93int	set_fpregs(struct thread *, struct fpreg *);
94int	fill_dbregs(struct thread *, struct dbreg *);
95int	set_dbregs(struct thread *, struct dbreg *);
96#ifdef COMPAT_FREEBSD32
97int	fill_regs32(struct thread *, struct reg32 *);
98int	set_regs32(struct thread *, struct reg32 *);
99int	fill_fpregs32(struct thread *, struct fpreg32 *);
100int	set_fpregs32(struct thread *, struct fpreg32 *);
101int	fill_dbregs32(struct thread *, struct dbreg32 *);
102int	set_dbregs32(struct thread *, struct dbreg32 *);
103#endif
104#endif
105
106#endif /* !_MACHINE_REG_H_ */
107