xref: /freebsd/sys/arm64/include/reg.h (revision ec0ea6efa1ad229d75c394c1a9b9cac33af2b1d3)
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 #include <sys/_types.h>
37 
38 struct reg {
39 	__uint64_t x[30];
40 	__uint64_t lr;
41 	__uint64_t sp;
42 	__uint64_t elr;
43 	__uint32_t spsr;
44 };
45 
46 struct reg32 {
47 	unsigned int r[13];
48 	unsigned int r_sp;
49 	unsigned int r_lr;
50 	unsigned int r_pc;
51 	unsigned int r_cpsr;
52 };
53 
54 struct fpreg {
55 	__uint128_t	fp_q[32];
56 	__uint32_t	fp_sr;
57 	__uint32_t	fp_cr;
58 };
59 
60 struct fpreg32 {
61 	int dummy;
62 };
63 
64 struct dbreg {
65 	__uint8_t	db_debug_ver;
66 	__uint8_t	db_nbkpts;
67 	__uint8_t	db_nwtpts;
68 	__uint8_t	db_pad[5];
69 
70 	struct {
71 		__uint64_t dbr_addr;
72 		__uint32_t dbr_ctrl;
73 		__uint32_t dbr_pad;
74 	} db_breakregs[16];
75 	struct {
76 		__uint64_t dbw_addr;
77 		__uint32_t dbw_ctrl;
78 		__uint32_t dbw_pad;
79 	} db_watchregs[16];
80 };
81 
82 struct dbreg32 {
83 	int dummy;
84 };
85 
86 #define	__HAVE_REG32
87 
88 #endif /* !_MACHINE_REG_H_ */
89