1 /*
2  * Semihosting Stubs for SoftMMU
3  *
4  * Copyright (c) 2019 Linaro Ltd
5  *
6  * Stubs for SoftMMU targets that don't actually do semihosting.
7  *
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  */
10 
11 #include "qemu/osdep.h"
12 #include "qemu/option.h"
13 #include "qemu/error-report.h"
14 #include "hw/semihosting/semihost.h"
15 #include "sysemu/sysemu.h"
16 
17 /* Empty config */
18 QemuOptsList qemu_semihosting_config_opts = {
19     .name = "",
20     .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
21     .desc = {
22         { /* end of list */ }
23     },
24 };
25 
26 /* Queries to config status default to off */
semihosting_enabled(void)27 bool semihosting_enabled(void)
28 {
29     return false;
30 }
31 
semihosting_get_target(void)32 SemihostingTarget semihosting_get_target(void)
33 {
34     return SEMIHOSTING_TARGET_AUTO;
35 }
36 
37 /*
38  * All the rest are empty subs. We could g_assert_not_reached() but
39  * that adds extra weight to the final binary. Waste not want not.
40  */
qemu_semihosting_enable(void)41 void qemu_semihosting_enable(void)
42 {
43 }
44 
qemu_semihosting_config_options(const char * optarg)45 int qemu_semihosting_config_options(const char *optarg)
46 {
47     return 1;
48 }
49 
semihosting_get_arg(int i)50 const char *semihosting_get_arg(int i)
51 {
52     return NULL;
53 }
54 
semihosting_get_argc(void)55 int semihosting_get_argc(void)
56 {
57     return 0;
58 }
59 
semihosting_get_cmdline(void)60 const char *semihosting_get_cmdline(void)
61 {
62     return NULL;
63 }
64 
semihosting_arg_fallback(const char * file,const char * cmd)65 void semihosting_arg_fallback(const char *file, const char *cmd)
66 {
67 }
68 
qemu_semihosting_connect_chardevs(void)69 void qemu_semihosting_connect_chardevs(void)
70 {
71 }
72