xref: /freebsd/sys/arm64/include/reg.h (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
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 	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 
80 struct dbreg32 {
81 	int dummy;
82 };
83 
84 #define	__HAVE_REG32
85 
86 #endif /* !_MACHINE_REG_H_ */
87