1/*
2 * Semihosting support
3 *
4 * Copyright (c) 2015 Imagination Technologies
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef SEMIHOST_H
21#define SEMIHOST_H
22
23typedef enum SemihostingTarget {
24 SEMIHOSTING_TARGET_AUTO = 0,
25 SEMIHOSTING_TARGET_NATIVE,
26 SEMIHOSTING_TARGET_GDB
27} SemihostingTarget;
28
29#ifdef CONFIG_USER_ONLY
30static inline bool semihosting_enabled(void)
31{
32 return true;
33}
34
35static inline SemihostingTarget semihosting_get_target(void)
36{
37 return SEMIHOSTING_TARGET_AUTO;
38}
39
40static inline const char *semihosting_get_arg(int i)
41{
42 return NULL;
43}
44
45static inline int semihosting_get_argc(void)
46{
47 return 0;
48}
49
50static inline const char *semihosting_get_cmdline(void)
51{
52 return NULL;
53}
54
55static inline Chardev *semihosting_get_chardev(void)
56{
57 return NULL;
58}
59#else /* !CONFIG_USER_ONLY */
60bool semihosting_enabled(void);
61SemihostingTarget semihosting_get_target(void);
62const char *semihosting_get_arg(int i);
63int semihosting_get_argc(void);
64const char *semihosting_get_cmdline(void);
65void semihosting_arg_fallback(const char *file, const char *cmd);
66Chardev *semihosting_get_chardev(void);
67/* for vl.c hooks */
68void qemu_semihosting_enable(void);
69int qemu_semihosting_config_options(const char *opt);
70void qemu_semihosting_connect_chardevs(void);
71#endif /* CONFIG_USER_ONLY */
72
73#endif /* SEMIHOST_H */
74