1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2006 Olivier Houchard
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _MACHINE_GDB_MACHDEP_H_
30#define _MACHINE_GDB_MACHDEP_H_
31
32#define GDB_BUFSZ 400
33#define GDB_NREGS 26
34#define GDB_REG_SP 13
35#define GDB_REG_LR 14
36#define GDB_REG_PC 15
37
38static __inline size_t
39gdb_cpu_regsz(int regnum)
40{
41 /*
42 * GDB expects the FPA registers f0-f7, each 96 bits wide, to be placed
43 * in between the PC and CSPR in response to a "g" packet.
44 */
45 return (regnum >= 16 && regnum <= 23 ? 12 : sizeof(int));
46}
47
48static __inline int
49gdb_cpu_query(void)
50{
51 return (0);
52}
53
54static __inline void *
55gdb_begin_write(void)
56{
57
58 return (NULL);
59}
60
61static __inline void
62gdb_end_write(void *arg __unused)
63{
64
65}
66
67static __inline void
68gdb_cpu_stop_reason(int type __unused, int code __unused)
69{
70
71}
72
73void *gdb_cpu_getreg(int, size_t *);
74void gdb_cpu_setreg(int, void *);
75int gdb_cpu_signal(int, int);
76
77#endif /* !_MACHINE_GDB_MACHDEP_H_ */